static void FrameRender(ImGui_ImplVulkanH_WindowData* wd) { VkResult err; VkSemaphore& image_acquired_semaphore = wd->Frames[wd->FrameIndex].ImageAcquiredSemaphore; err = vkAcquireNextImageKHR(g_Device, wd->Swapchain, UINT64_MAX, image_acquired_semaphore, VK_NULL_HANDLE, &wd->FrameIndex); check_vk_result(err); ImGui_ImplVulkanH_FrameData* fd = &wd->Frames[wd->FrameIndex]; { err = vkWaitForFences(g_Device, 1, &fd->Fence, VK_TRUE, UINT64_MAX); // wait indefinitely instead of periodically checking check_vk_result(err); err = vkResetFences(g_Device, 1, &fd->Fence); check_vk_result(err); } { err = vkResetCommandPool(g_Device, fd->CommandPool, 0); check_vk_result(err); VkCommandBufferBeginInfo info = {}; info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; err = vkBeginCommandBuffer(fd->CommandBuffer, &info); check_vk_result(err); } { VkRenderPassBeginInfo info = {}; info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; info.renderPass = wd->RenderPass; info.framebuffer = wd->Framebuffer[wd->FrameIndex]; info.renderArea.extent.width = wd->Width; info.renderArea.extent.height = wd->Height; info.clearValueCount = 1; info.pClearValues = &wd->ClearValue; vkCmdBeginRenderPass(fd->CommandBuffer, &info, VK_SUBPASS_CONTENTS_INLINE); } // Record Imgui Draw Data and draw funcs into command buffer ImGui_ImplVulkan_RenderDrawData(ImGui::GetDrawData(), fd->CommandBuffer); // Submit command buffer vkCmdEndRenderPass(fd->CommandBuffer); { VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; VkSubmitInfo info = {}; info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; info.waitSemaphoreCount = 1; info.pWaitSemaphores = &image_acquired_semaphore; info.pWaitDstStageMask = &wait_stage; info.commandBufferCount = 1; info.pCommandBuffers = &fd->CommandBuffer; info.signalSemaphoreCount = 1; info.pSignalSemaphores = &fd->RenderCompleteSemaphore; err = vkEndCommandBuffer(fd->CommandBuffer); check_vk_result(err); err = vkQueueSubmit(g_Queue, 1, &info, fd->Fence); check_vk_result(err); } }
static void frame_begin() { VkResult err; while (true) { err = vkWaitForFences(g_Device, 1, &g_Fence[g_FrameIndex], VK_TRUE, 100); if (err == VK_SUCCESS) break; if (err == VK_TIMEOUT) continue; check_vk_result(err); } { err = vkAcquireNextImageKHR(g_Device, g_Swapchain, UINT64_MAX, g_PresentCompleteSemaphore[g_FrameIndex], VK_NULL_HANDLE, &g_BackbufferIndices[g_FrameIndex]); check_vk_result(err); } { err = vkResetCommandPool(g_Device, g_CommandPool[g_FrameIndex], 0); check_vk_result(err); VkCommandBufferBeginInfo info = {}; info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; info.flags |= VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; err = vkBeginCommandBuffer(g_CommandBuffer[g_FrameIndex], &info); check_vk_result(err); } { VkRenderPassBeginInfo info = {}; info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; info.renderPass = g_RenderPass; info.framebuffer = g_Framebuffer[g_BackbufferIndices[g_FrameIndex]]; info.renderArea.extent.width = fb_width; info.renderArea.extent.height = fb_height; info.clearValueCount = 1; info.pClearValues = &g_ClearValue; vkCmdBeginRenderPass(g_CommandBuffer[g_FrameIndex], &info, VK_SUBPASS_CONTENTS_INLINE); } }
void op3d::Engine::drawFrame() { uint32_t imageIndex; VkResult result = vkAcquireNextImageKHR(device, swapChain, std::numeric_limits<uint64_t>::max(), imageAvailableSemaphore, VK_NULL_HANDLE, &imageIndex); if (result == VK_ERROR_OUT_OF_DATE_KHR) { recreateSwapChain(); return; } else if (result != VK_SUCCESS && result != VK_SUBOPTIMAL_KHR) { throw std::runtime_error("failed to acquire swap chain image!"); } VkSubmitInfo submitInfo = {}; submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; VkSemaphore waitSemaphores[] = {imageAvailableSemaphore}; VkPipelineStageFlags waitStages[] = {VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT}; submitInfo.waitSemaphoreCount = 1; submitInfo.pWaitSemaphores = waitSemaphores; submitInfo.pWaitDstStageMask = waitStages; submitInfo.commandBufferCount = 1; submitInfo.pCommandBuffers = &commandBuffers[imageIndex]; VkSemaphore signalSemaphores[] = {renderFinishedSemaphore}; submitInfo.signalSemaphoreCount = 1; submitInfo.pSignalSemaphores = signalSemaphores; if (vkQueueSubmit(graphicsQueue, 1, &submitInfo, VK_NULL_HANDLE) != VK_SUCCESS) { throw std::runtime_error("failed to submit draw command buffer!"); } VkPresentInfoKHR presentInfo = {}; presentInfo.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; presentInfo.waitSemaphoreCount = 1; presentInfo.pWaitSemaphores = signalSemaphores; VkSwapchainKHR swapChains[] = {swapChain}; presentInfo.swapchainCount = 1; presentInfo.pSwapchains = swapChains; presentInfo.pImageIndices = &imageIndex; result = vkQueuePresentKHR(presentQueue, &presentInfo); if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) { recreateSwapChain(); } else if (result != VK_SUCCESS) { throw std::runtime_error("failed to present swap chain image!"); } }
bool Tutorial03::Draw() { VkSwapchainKHR swap_chain = GetSwapChain().Handle; uint32_t image_index; VkResult result = vkAcquireNextImageKHR( GetDevice(), swap_chain, UINT64_MAX, Vulkan.ImageAvailableSemaphore, VK_NULL_HANDLE, &image_index ); switch( result ) { case VK_SUCCESS: case VK_SUBOPTIMAL_KHR: break; case VK_ERROR_OUT_OF_DATE_KHR: return OnWindowSizeChanged(); default: std::cout << "Problem occurred during swap chain image acquisition!" << std::endl; return false; } VkPipelineStageFlags wait_dst_stage_mask = VK_PIPELINE_STAGE_TRANSFER_BIT; VkSubmitInfo submit_info = { VK_STRUCTURE_TYPE_SUBMIT_INFO, // VkStructureType sType nullptr, // const void *pNext 1, // uint32_t waitSemaphoreCount &Vulkan.ImageAvailableSemaphore, // const VkSemaphore *pWaitSemaphores &wait_dst_stage_mask, // const VkPipelineStageFlags *pWaitDstStageMask; 1, // uint32_t commandBufferCount &Vulkan.GraphicsCommandBuffers[image_index], // const VkCommandBuffer *pCommandBuffers 1, // uint32_t signalSemaphoreCount &Vulkan.RenderingFinishedSemaphore // const VkSemaphore *pSignalSemaphores }; if( vkQueueSubmit( GetGraphicsQueue().Handle, 1, &submit_info, VK_NULL_HANDLE ) != VK_SUCCESS ) { return false; } VkPresentInfoKHR present_info = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // VkStructureType sType nullptr, // const void *pNext 1, // uint32_t waitSemaphoreCount &Vulkan.RenderingFinishedSemaphore, // const VkSemaphore *pWaitSemaphores 1, // uint32_t swapchainCount &swap_chain, // const VkSwapchainKHR *pSwapchains &image_index, // const uint32_t *pImageIndices nullptr // VkResult *pResults }; result = vkQueuePresentKHR( GetPresentQueue().Handle, &present_info ); switch( result ) { case VK_SUCCESS: break; case VK_ERROR_OUT_OF_DATE_KHR: case VK_SUBOPTIMAL_KHR: return OnWindowSizeChanged(); default: std::cout << "Problem occurred during image presentation!" << std::endl; return false; } return true; }
VkResult SwapChain::AcquireNextImage(VkSemaphore available_semaphore) { VkResult res = vkAcquireNextImageKHR(g_vulkan_context->GetDevice(), m_swap_chain, UINT64_MAX, available_semaphore, VK_NULL_HANDLE, &m_current_swap_chain_image_index); if (res != VK_SUCCESS && res != VK_ERROR_OUT_OF_DATE_KHR && res != VK_SUBOPTIMAL_KHR) LOG_VULKAN_ERROR(res, "vkAcquireNextImageKHR failed: "); return res; }
std::tuple<VkResult, uint32_t> acquire_next_image(swapchain_type &swapchain, std::chrono::nanoseconds timeout, const semaphore::semaphore_type &semaphore, const fence::fence_type &fence) { uint32_t image_index; std::lock(internal::get_mutex(swapchain), internal::get_mutex(semaphore)); std::lock_guard<std::mutex> swapchain_lock(internal::get_mutex(swapchain), std::adopt_lock); std::lock_guard<std::mutex> semaphore_lock(internal::get_mutex(semaphore), std::adopt_lock); std::lock_guard<std::mutex> fence_lock(internal::get_mutex(fence), std::adopt_lock); const VkResult result(vkAcquireNextImageKHR( internal::get_instance(*internal::get_parent(swapchain)), internal::get_instance(swapchain), timeout.count(), internal::get_instance(semaphore), internal::get_instance(fence), &image_index)); return std::make_tuple(result, image_index); }
void GrManagerImpl::beginFrame() { PerFrame& frame = m_perFrame[m_frame % MAX_FRAMES_IN_FLIGHT]; // Create sync objects FencePtr fence = newFence(); frame.m_acquireSemaphore = m_semaphores.newInstance(fence); // Get new image uint32_t imageIdx; ANKI_TRACE_START_EVENT(VK_ACQUIRE_IMAGE); ANKI_VK_CHECKF(vkAcquireNextImageKHR( m_device, m_swapchain, UINT64_MAX, frame.m_acquireSemaphore->getHandle(), fence->getHandle(), &imageIdx)); ANKI_TRACE_STOP_EVENT(VK_ACQUIRE_IMAGE); ANKI_ASSERT(imageIdx < MAX_FRAMES_IN_FLIGHT); m_crntBackbufferIdx = imageIdx; }
void VulkanSwapChain::acquireBackBuffer() { uint32_t imageIndex; VkResult result = vkAcquireNextImageKHR(mDevice->getLogical(), mSwapChain, UINT64_MAX, mSurfaces[mCurrentSemaphoreIdx].sync->getHandle(), VK_NULL_HANDLE, &imageIndex); assert(result == VK_SUCCESS || result == VK_SUBOPTIMAL_KHR); // In case surfaces aren't being distributed in round-robin fashion the image and semaphore indices might not match, // in which case just move the semaphores if(imageIndex != mCurrentSemaphoreIdx) std::swap(mSurfaces[mCurrentSemaphoreIdx].sync, mSurfaces[imageIndex].sync); mCurrentSemaphoreIdx = (mCurrentSemaphoreIdx + 1) % mSurfaces.size(); assert(!mSurfaces[imageIndex].acquired && "Same swap chain surface being acquired twice in a row without present()."); mSurfaces[imageIndex].acquired = true; mSurfaces[imageIndex].needsWait = true; mCurrentBackBufferIdx = imageIndex; }
// Can be called multiple times with no bad side effects. This is so that we can either begin a frame the normal way, // or stop it in the middle for a synchronous readback, then start over again mostly normally but without repeating // the backbuffer image acquisition. void VulkanRenderManager::BeginSubmitFrame(int frame) { FrameData &frameData = frameData_[frame]; if (!frameData.hasBegun) { // Get the index of the next available swapchain image, and a semaphore to block command buffer execution on. // Now, I wonder if we should do this early in the frame or late? Right now we do it early, which should be fine. VkResult res = vkAcquireNextImageKHR(vulkan_->GetDevice(), vulkan_->GetSwapchain(), UINT64_MAX, acquireSemaphore_, (VkFence)VK_NULL_HANDLE, &frameData.curSwapchainImage); if (res == VK_SUBOPTIMAL_KHR) { // Hopefully the resize will happen shortly. Ignore - one frame might look bad or something. } else if (res == VK_ERROR_OUT_OF_DATE_KHR) { frameData.skipSwap = true; } else { _assert_msg_(G3D, res == VK_SUCCESS, "vkAcquireNextImageKHR failed! result=%s", VulkanResultToString(res)); } VkCommandBufferBeginInfo begin{ VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO }; begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; res = vkBeginCommandBuffer(frameData.mainCmd, &begin); _assert_msg_(G3D, res == VK_SUCCESS, "vkBeginCommandBuffer failed! result=%s", VulkanResultToString(res)); queueRunner_.SetBackbuffer(framebuffers_[frameData.curSwapchainImage], swapchainImages_[frameData.curSwapchainImage].image); frameData.hasBegun = true; } }
std::tuple<VkResult, uint32_t> acquire_next_image(swapchain_type &swapchain, const semaphore::semaphore_type &semaphore) { uint32_t image_index; const VkResult result(vkAcquireNextImageKHR(internal::get_instance(*internal::get_parent(swapchain)), internal::get_instance(swapchain), UINT64_MAX, internal::get_instance(semaphore), VK_NULL_HANDLE, &image_index)); return std::make_tuple(result, image_index); }
DWORD game_loop_main(LPVOID thread_input) { struct common_vars common_vars = *(struct common_vars *)thread_input; profiler profiler = {}; profiler_create(&profiler); LARGE_INTEGER performance_frequency = {}; QueryPerformanceFrequency(&performance_frequency); memory_arena memory_arena = {}; if (!virtual_alloc_memory_arena(m_megabytes(16), common_vars.system_info.dwPageSize, &memory_arena)) { m_die("call to \"virtual_alloc_memory_arena\" failed(event_render_loop_thread memory arena)"); } vulkan vulkan = {}; { m_memory_arena_undo_allocations_at_scope_exit(&memory_arena); string info_string = { memory_arena_allocate<char>(&memory_arena, m_kilobytes(4)), 0, m_kilobytes(2) }; string err_string = { memory_arena_allocate<char>(&memory_arena, m_kilobytes(1)), 0, m_kilobytes(1) }; vulkan_create_info vulkan_create_info = {}; vulkan_create_info.win32_instance = common_vars.instance; vulkan_create_info.win32_window = common_vars.window; const char *shader_file_paths[] = { "shaders\\swap_chain_pipeline_image.vert.spv", "shaders\\swap_chain_pipeline_image.frag.spv" }; if (!read_file_into_memory_arena(shader_file_paths[0], &memory_arena, &vulkan_create_info.swap_chain_pipeline_image_code[0], &vulkan_create_info.swap_chain_pipeline_image_code_sizes[0]) || !read_file_into_memory_arena(shader_file_paths[1], &memory_arena, &vulkan_create_info.swap_chain_pipeline_image_code[1], &vulkan_create_info.swap_chain_pipeline_image_code_sizes[1])) { m_die("call to \"read_file_into_memory_arena\" failed(swap_chain_pipeline_image shaders)"); } if (!vulkan_create(vulkan_create_info, &memory_arena, &info_string, &err_string, &vulkan)) { m_die("%s", err_string.buf); } else { m_printf("%s", info_string.buf); } } game_buffer game_buffer = {}; vec4 game_buffer_viewport = {}; HANDLE game_buffer_gpk_file_handle = nullptr; HANDLE game_buffer_gpk_file_mapping = nullptr; void *game_buffer_gpk_file_mapping_ptr = nullptr; HANDLE game_buffer_mpk_import_shared_memory_mapping = nullptr; void *game_buffer_mpk_import_shared_memory_mapping_ptr = nullptr; HANDLE game_buffer_mpk_import_shared_memory_semaphore = nullptr; { game_buffer_create_info game_buffer_create_info = {}; if (!virtual_alloc_memory_arena(m_megabytes(512), common_vars.system_info.dwPageSize, &game_buffer_create_info.memory_arena)) { m_die("call to \"virtual_alloc_memory_arena\" failed(game buffer memory arena)"); } game_buffer_create_info.vulkan = &vulkan; game_buffer_create_info.vulkan_framebuffer_width = 1920; game_buffer_create_info.vulkan_framebuffer_height = 1080; if (!game_buffer_create(game_buffer_create_info, &game_buffer)) { m_die("call to \"game_buffer_create\" failed"); } #ifdef EDITOR_ENABLE game_buffer_editor_create_info game_buffer_editor_create_info = {}; game_buffer_editor_create_info.game_buffer = &game_buffer; game_buffer_editor_create_info.vulkan = &vulkan; game_buffer_editor_create_info.imgui_init_file = "assets\\gpks\\example.gpk.imgui.ini"; game_buffer_editor_create_info.imgui_font_file = "assets\\fonts\\OpenSans-Regular.ttf"; game_buffer_editor_create_info.imgui_font_size = GetSystemMetrics(SM_CXSCREEN) / 150; game_buffer_editor_create_info.set_imgui_keymap = [] (ImGuiIO *imgui_io) { imgui_io->KeyMap[ImGuiKey_Tab] = VK_TAB; imgui_io->KeyMap[ImGuiKey_LeftArrow] = VK_LEFT; imgui_io->KeyMap[ImGuiKey_RightArrow] = VK_RIGHT; imgui_io->KeyMap[ImGuiKey_UpArrow] = VK_UP; imgui_io->KeyMap[ImGuiKey_DownArrow] = VK_DOWN; imgui_io->KeyMap[ImGuiKey_PageUp] = VK_PRIOR; imgui_io->KeyMap[ImGuiKey_PageDown] = VK_NEXT; imgui_io->KeyMap[ImGuiKey_Home] = VK_HOME; imgui_io->KeyMap[ImGuiKey_End] = VK_END; imgui_io->KeyMap[ImGuiKey_Backspace] = VK_BACK; imgui_io->KeyMap[ImGuiKey_Enter] = VK_RETURN; imgui_io->KeyMap[ImGuiKey_Escape] = VK_ESCAPE; imgui_io->KeyMap[ImGuiKey_A] = 'A'; imgui_io->KeyMap[ImGuiKey_C] = 'C'; imgui_io->KeyMap[ImGuiKey_V] = 'V'; imgui_io->KeyMap[ImGuiKey_X] = 'X'; imgui_io->KeyMap[ImGuiKey_Y] = 'Y'; imgui_io->KeyMap[ImGuiKey_Z] = 'Z'; }; { m_memory_arena_undo_allocations_at_scope_exit(&memory_arena); const char *file_paths[] = { "shaders\\imgui.vert.spv", "shaders\\imgui.frag.spv" }; VkShaderModule shader_modules[m_countof(file_paths)] = {}; for (uint i = 0; i < m_countof(file_paths); i += 1) { void *file_data; uint file_size; if (!read_file_into_memory_arena(file_paths[i], &memory_arena, &file_data, &file_size)) { m_die("call to \"read_file_into_memory_arena\" failed(game buffer shader files)"); } VkShaderModuleCreateInfo shader_module_info = { VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO }; shader_module_info.codeSize = file_size; shader_module_info.pCode = (const uint32_t *)file_data; if(vkCreateShaderModule(vulkan.device, &shader_module_info, nullptr, &shader_modules[i]) != VK_SUCCESS) { m_die("game buffer creation failed\ncall to \"vkCreateShaderModule\" failed for shader file %s", file_paths[i]); } } game_buffer_editor_create_info.imgui_vulkan_shaders[0] = shader_modules[0]; game_buffer_editor_create_info.imgui_vulkan_shaders[1] = shader_modules[1]; } game_buffer.editor = memory_arena_allocate<game_buffer_editor>(&game_buffer.memory_arena, 1); *game_buffer.editor = {}; if (!game_buffer_editor_create(&game_buffer_editor_create_info, game_buffer.editor)) { m_die("call to \"game_buffer_editor_create\" failed"); } { uint shared_memory_size = m_megabytes(32); HANDLE shared_memory_mapping = CreateFileMappingA(INVALID_HANDLE_VALUE, nullptr, PAGE_READWRITE | SEC_COMMIT, 0, shared_memory_size, m_mpk_import_shared_memory_name); if (!shared_memory_mapping) { m_last_error_str(err_str); m_die("call to \"CreateFileMappingA\" failed\nfile: %s\nerr: %s", m_mpk_import_shared_memory_name, err_str); } void *shared_memory_mapping_ptr = MapViewOfFile(shared_memory_mapping, FILE_MAP_WRITE, 0, 0, shared_memory_size); if (!shared_memory_mapping_ptr) { m_last_error_str(err_str); m_die("call to \"MapViewOfFile\" failed\nfile: %s\nerr: %s", m_mpk_import_shared_memory_name, err_str); } ((mpk_import_shared_memory_header *)shared_memory_mapping_ptr)->total_size = shared_memory_size; ((mpk_import_shared_memory_header *)shared_memory_mapping_ptr)->mpk_size = shared_memory_size - sizeof(struct mpk_import_shared_memory_header); SetLastError(ERROR_SUCCESS); HANDLE shared_memory_semaphore = CreateSemaphore(nullptr, 1, 1, m_mpk_import_shared_memory_semaphore_name); if (!shared_memory_semaphore) { m_last_error_str(err_str); m_die("call to \"CreateSemaphore\" failed\nsemaphore: %s\nerr: %s", m_mpk_import_shared_memory_semaphore_name, err_str); } if (GetLastError() == ERROR_ALREADY_EXISTS) { m_die("call to \"CreateSemaphore\" failed\nsemaphore: %s\nerr: %s", m_mpk_import_shared_memory_semaphore_name, "named semaphore already exist"); } game_buffer_mpk_import_shared_memory_mapping = shared_memory_mapping; game_buffer_mpk_import_shared_memory_mapping_ptr = shared_memory_mapping_ptr; game_buffer_mpk_import_shared_memory_semaphore = shared_memory_semaphore; } { game_buffer_editor_job *new_job = nullptr; if (game_buffer_editor_add_mpk_job(&game_buffer, &new_job)) { mpk_import_command_line cmdl = m_mpk_import_command_line_default; cmdl.job_id = new_job->id; cmdl.import_type = mpk_import_type_fbx; strcpy(cmdl.fbx_file_path, "assets\\models\\simple_man\\simple_man.fbx"); mpk_import_create_process(&cmdl, common_vars.process_group, &memory_arena); } } #endif // EDITOR_ENABLE { char gpk_file_name[] = "assets\\gpks\\example.gpk"; HANDLE gpk_file_handle = CreateFileA(gpk_file_name, GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr); if (gpk_file_handle == INVALID_HANDLE_VALUE) { m_last_error_str(err_str); m_die("call to \"CreateFile\" failed\nfile: %s\nerr: %s", gpk_file_name, err_str); } uint file_size = m_megabytes(32); SetFilePointer(gpk_file_handle, file_size, nullptr, FILE_BEGIN); if (!SetEndOfFile(gpk_file_handle)) { m_last_error_str(err_str); m_die("call to \"SetEndOfFile\" failed\nfile: %s\nsize: %d\nerr: %s", gpk_file_name, file_size, err_str); } HANDLE gpk_file_mapping = CreateFileMappingA(gpk_file_handle, nullptr, PAGE_READWRITE, 0, 0, nullptr); if (!gpk_file_mapping) { m_last_error_str(err_str); m_die("call to \"CreateFileMappingA\" failed\nfile: %s\nerr: %s", gpk_file_name, err_str); } void *gpk_file_mapping_ptr = MapViewOfFile(gpk_file_mapping, FILE_MAP_WRITE, 0, 0, file_size); if (!gpk_file_mapping_ptr) { m_last_error_str(err_str); m_die("call to \"MapViewOfFile\" failed\nfile: %s\nerr: %s", gpk_file_name, err_str); } uint gpk_file_initial_state_size = 0; if (!gpk_write_initial_state(gpk_file_mapping_ptr, file_size, &gpk_file_initial_state_size)) { m_die("call to \"gpk_write_initial_state\" failed"); } if (!FlushViewOfFile(gpk_file_mapping_ptr, gpk_file_initial_state_size)) { m_last_error_str(err_str); m_die("call to \"FlushViewOfFile\" failed\nfile: %s\nerr: %s", gpk_file_name, err_str); } game_buffer_gpk_file_handle = gpk_file_handle; game_buffer_gpk_file_mapping = gpk_file_mapping; game_buffer_gpk_file_mapping_ptr = gpk_file_mapping_ptr; } { game_buffer_update_vulkan_swap_chain_image(&game_buffer, &vulkan); game_buffer_viewport = rectangle_fit_into_viewport((float)vulkan.swap_chain_info.imageExtent.width, (float)vulkan.swap_chain_info.imageExtent.height, (float)game_buffer.vulkan_framebuffer_image_width, (float)game_buffer.vulkan_framebuffer_image_height); } } uint64 last_frame_time_microsecs = 0; bool mouse_down_up_same_frame[3] = {}; for (;;) { LARGE_INTEGER frame_begin_performance_count; QueryPerformanceCounter(&frame_begin_performance_count); m_scope_exit( LARGE_INTEGER frame_end_performance_count; QueryPerformanceCounter(&frame_end_performance_count); last_frame_time_microsecs = (frame_end_performance_count.QuadPart - frame_begin_performance_count.QuadPart) * 1000000 / performance_frequency.QuadPart; ); { bool mouse_down_this_frame[3] = {}; for (uint i = 0; i < 3; i += 1) { if (mouse_down_up_same_frame[i]) { mouse_down_up_same_frame[i] = false; #ifdef EDITOR_ENABLE game_buffer_editor_handle_mouse_up(&game_buffer, i); #endif } } HANDLE iocp = common_vars.io_completion_port; DWORD iocp_num_bytes = 0; ULONG_PTR iocp_completion_key = 0; LPOVERLAPPED iocp_overlapped = nullptr; DWORD iocp_time_out = 0; while (GetQueuedCompletionStatus(iocp, &iocp_num_bytes, &iocp_completion_key, &iocp_overlapped, iocp_time_out) == TRUE) { switch (iocp_completion_key) { case quit_win_main_event : { #ifdef EDITOR_ENABLE ImGui::Shutdown(); #endif ExitThread(0); } break; case window_resize_event : { uint32 new_width = LOWORD((LPARAM)iocp_overlapped); uint32 new_height = HIWORD((LPARAM)iocp_overlapped); if (vulkan.swap_chain_info.imageExtent.width != new_width || vulkan.swap_chain_info.imageExtent.height != new_height) { if (!vulkan_resize_swap_chain_images(&vulkan, new_width, new_height)) { m_die("call to \"vulkan_resize_swap_chain_images\" failed"); } game_buffer_viewport = rectangle_fit_into_viewport((float)vulkan.swap_chain_info.imageExtent.width, (float)vulkan.swap_chain_info.imageExtent.height, (float)game_buffer.vulkan_framebuffer_image_width, (float)game_buffer.vulkan_framebuffer_image_height); } } break; case key_down_event : { } break; case key_up_event : { } break; case mouse_move_event : { #ifdef EDITOR_ENABLE game_buffer_editor_handle_mouse_move(&game_buffer, game_buffer_viewport, LOWORD((LPARAM)iocp_overlapped), HIWORD((LPARAM)iocp_overlapped)); #endif } break; case mouse_lbutton_down_event : { mouse_down_this_frame[0] = true; #ifdef EDITOR_ENABLE game_buffer_editor_handle_mouse_down(&game_buffer, 0); #endif } break; case mouse_lbutton_up_event : { if (mouse_down_this_frame[0]) { mouse_down_up_same_frame[0] = true; } else { #ifdef EDITOR_ENABLE game_buffer_editor_handle_mouse_up(&game_buffer, 0); #endif } } break; case mouse_rbutton_down_event : { mouse_down_this_frame[1] = true; #ifdef EDITOR_ENABLE game_buffer_editor_handle_mouse_down(&game_buffer, 1); #endif } break; case mouse_rbutton_up_event : { if (mouse_down_this_frame[1]) { mouse_down_up_same_frame[1] = true; } else { #ifdef EDITOR_ENABLE game_buffer_editor_handle_mouse_up(&game_buffer, 1); #endif } } break; case mpk_import_named_pipe_event : { #ifdef EDITOR_ENABLE mpk_import_named_pipe_instance *named_pipe_instance = (mpk_import_named_pipe_instance *)iocp_overlapped; if (named_pipe_instance->connected) { m_printf("got message %d bytes: %s\n", iocp_num_bytes, named_pipe_instance->message.msg); game_buffer_editor_handle_mpk_import_message(&game_buffer, &named_pipe_instance->message); if (named_pipe_instance->message.type == mpk_import_named_pipe_message_type_done) { void *mpk_ptr = ((struct mpk_import_shared_memory_header *)game_buffer_mpk_import_shared_memory_mapping_ptr) + 1; struct mpk_header *mpk_header_ptr = (struct mpk_header *)mpk_ptr; ReleaseSemaphore(game_buffer_mpk_import_shared_memory_semaphore, 1, nullptr); } ReadFile(named_pipe_instance->handle, &named_pipe_instance->message, sizeof(named_pipe_instance->message), nullptr, &named_pipe_instance->overlapped); } else { m_printf("new named pipe instance connected\n"); named_pipe_instance->connected = true; ReadFile(named_pipe_instance->handle, &named_pipe_instance->message, sizeof(named_pipe_instance->message), nullptr, &named_pipe_instance->overlapped); mpk_import_add_named_pipe_instance(&common_vars); } #else m_die("game loop main: received event \"mpk_import_named_pipe_event\", but editor is not enabled"); #endif } break; default : { m_die("game loop main: call to \"GetQueuedCompletionStatus\" returned an invalid event"); } break; } } } #ifdef EDITOR_ENABLE game_buffer.editor->imgui_io->DeltaTime = (float)(last_frame_time_microsecs / 1000000.0); ImGui::NewFrame(); game_buffer_editor_imgui_new_frame(&game_buffer, &vulkan); #endif { VkResult vk_result = {}; vkWaitForFences(vulkan.device, 1, &vulkan.swap_chain_fence, VK_TRUE, UINT64_MAX); vkResetFences(vulkan.device, 1, &vulkan.swap_chain_fence); uint swap_chain_image_index = 0; if ((vk_result = vkAcquireNextImageKHR(vulkan.device, vulkan.swap_chain, UINT64_MAX, vulkan.swap_chain_image_semaphore, VK_NULL_HANDLE, &swap_chain_image_index)) != VK_SUCCESS) { m_die("call to \"vkAcquireNextImageKHR\" failed"); } VkCommandBufferBeginInfo cmd_buffer_begin_info = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO }; cmd_buffer_begin_info.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT; vkBeginCommandBuffer(vulkan.swap_chain_cmd_buffer, &cmd_buffer_begin_info); game_buffer_record_vulkan_commands(&game_buffer, &vulkan); vulkan_record_swap_chain_commands(&vulkan, swap_chain_image_index, game_buffer_viewport); vkEndCommandBuffer(vulkan.swap_chain_cmd_buffer); VkSubmitInfo queue_submit_info = { VK_STRUCTURE_TYPE_SUBMIT_INFO }; queue_submit_info.waitSemaphoreCount = 1; queue_submit_info.pWaitSemaphores = &vulkan.swap_chain_image_semaphore; VkPipelineStageFlags wait_dst_stage_mask = VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT; queue_submit_info.pWaitDstStageMask = &wait_dst_stage_mask; queue_submit_info.commandBufferCount = 1; queue_submit_info.pCommandBuffers = &vulkan.swap_chain_cmd_buffer; queue_submit_info.signalSemaphoreCount = 1; queue_submit_info.pSignalSemaphores = &vulkan.swap_chain_queue_semaphore; if ((vk_result = vkQueueSubmit(vulkan.device_queue, 1, &queue_submit_info, vulkan.swap_chain_fence)) != VK_SUCCESS) { m_die("call to \"vkQueueSubmit\" failed"); } VkPresentInfoKHR device_queue_present_info = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR }; device_queue_present_info.waitSemaphoreCount = 1; device_queue_present_info.pWaitSemaphores = &vulkan.swap_chain_queue_semaphore; device_queue_present_info.swapchainCount = 1; device_queue_present_info.pSwapchains = &vulkan.swap_chain; device_queue_present_info.pImageIndices = &swap_chain_image_index; if ((vk_result = vkQueuePresentKHR(vulkan.device_queue, &device_queue_present_info)) != VK_SUCCESS) { m_die("call to \"vkQueuePresentKHR\" failed"); } } }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; bool U_ASSERT_ONLY pass; struct sample_info info = {}; char sample_title[] = "Input Attachment Sample"; const bool depthPresent = false; const bool vertexPresent = false; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); VkFormatProperties props; vkGetPhysicalDeviceFormatProperties(info.gpus[0], VK_FORMAT_R8G8B8A8_UNORM, &props); if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) { std::cout << "VK_FORMAT_R8G8B8A8_UNORM format unsupported for input " "attachment\n"; exit(-1); } init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); /* VULKAN_KEY_START */ // Create a framebuffer with 2 attachments, one the color attachment // the shaders render into, and the other an input attachment which // will be cleared to yellow, and then used by the shaders to color // the drawn triangle. Final result should be a yellow triangle // Create the image that will be used as the input attachment // The image for the color attachment is the presentable image already // created in init_swapchain() VkImageCreateInfo image_create_info = {}; image_create_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; image_create_info.pNext = NULL; image_create_info.imageType = VK_IMAGE_TYPE_2D; image_create_info.format = info.format; image_create_info.extent.width = info.width; image_create_info.extent.height = info.height; image_create_info.extent.depth = 1; image_create_info.mipLevels = 1; image_create_info.arrayLayers = 1; image_create_info.samples = NUM_SAMPLES; image_create_info.tiling = VK_IMAGE_TILING_OPTIMAL; image_create_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; image_create_info.usage = VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT; image_create_info.queueFamilyIndexCount = 0; image_create_info.pQueueFamilyIndices = NULL; image_create_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; image_create_info.flags = 0; VkMemoryAllocateInfo mem_alloc = {}; mem_alloc.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; mem_alloc.pNext = NULL; mem_alloc.allocationSize = 0; mem_alloc.memoryTypeIndex = 0; VkImage input_image; VkDeviceMemory input_memory; res = vkCreateImage(info.device, &image_create_info, NULL, &input_image); assert(res == VK_SUCCESS); VkMemoryRequirements mem_reqs; vkGetImageMemoryRequirements(info.device, input_image, &mem_reqs); mem_alloc.allocationSize = mem_reqs.size; pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits, 0, &mem_alloc.memoryTypeIndex); assert(pass); res = vkAllocateMemory(info.device, &mem_alloc, NULL, &input_memory); assert(res == VK_SUCCESS); res = vkBindImageMemory(info.device, input_image, input_memory, 0); assert(res == VK_SUCCESS); // Set the image layout to TRANSFER_DST_OPTIMAL to be ready for clear set_image_layout(info, input_image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT); VkImageSubresourceRange srRange = {}; srRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; srRange.baseMipLevel = 0; srRange.levelCount = VK_REMAINING_MIP_LEVELS; srRange.baseArrayLayer = 0; srRange.layerCount = VK_REMAINING_ARRAY_LAYERS; VkClearColorValue clear_color; clear_color.float32[0] = 1.0f; clear_color.float32[1] = 1.0f; clear_color.float32[2] = 0.0f; clear_color.float32[3] = 0.0f; // Clear the input attachment image to yellow vkCmdClearColorImage(info.cmd, input_image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, &clear_color, 1, &srRange); // Set the image layout to SHADER_READONLY_OPTIMAL for use by the shaders set_image_layout(info, input_image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT); VkImageViewCreateInfo view_info = {}; view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; view_info.pNext = NULL; view_info.image = VK_NULL_HANDLE; view_info.viewType = VK_IMAGE_VIEW_TYPE_2D; view_info.format = info.format; view_info.components.r = VK_COMPONENT_SWIZZLE_R; view_info.components.g = VK_COMPONENT_SWIZZLE_G; view_info.components.b = VK_COMPONENT_SWIZZLE_B; view_info.components.a = VK_COMPONENT_SWIZZLE_A; view_info.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; view_info.subresourceRange.baseMipLevel = 0; view_info.subresourceRange.levelCount = 1; view_info.subresourceRange.baseArrayLayer = 0; view_info.subresourceRange.layerCount = 1; VkImageView input_attachment_view; view_info.image = input_image; res = vkCreateImageView(info.device, &view_info, NULL, &input_attachment_view); assert(res == VK_SUCCESS); VkDescriptorImageInfo input_image_info = {}; input_image_info.imageLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; input_image_info.imageView = input_attachment_view; input_image_info.sampler = VK_NULL_HANDLE; VkDescriptorSetLayoutBinding layout_bindings[1]; layout_bindings[0].binding = 0; layout_bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT; layout_bindings[0].descriptorCount = 1; layout_bindings[0].stageFlags = VK_SHADER_STAGE_FRAGMENT_BIT; layout_bindings[0].pImmutableSamplers = NULL; VkDescriptorSetLayoutCreateInfo descriptor_layout = {}; descriptor_layout.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; descriptor_layout.pNext = NULL; descriptor_layout.bindingCount = 1; descriptor_layout.pBindings = layout_bindings; info.desc_layout.resize(NUM_DESCRIPTOR_SETS); res = vkCreateDescriptorSetLayout(info.device, &descriptor_layout, NULL, info.desc_layout.data()); assert(res == VK_SUCCESS); VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {}; pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; pPipelineLayoutCreateInfo.pNext = NULL; pPipelineLayoutCreateInfo.pushConstantRangeCount = 0; pPipelineLayoutCreateInfo.pPushConstantRanges = NULL; pPipelineLayoutCreateInfo.setLayoutCount = NUM_DESCRIPTOR_SETS; pPipelineLayoutCreateInfo.pSetLayouts = info.desc_layout.data(); res = vkCreatePipelineLayout(info.device, &pPipelineLayoutCreateInfo, NULL, &info.pipeline_layout); assert(res == VK_SUCCESS); // First attachment is the color attachment - clear at the beginning of the // renderpass and transition layout to PRESENT_SRC_KHR at the end of // renderpass VkAttachmentDescription attachments[2]; attachments[0].format = info.format; attachments[0].samples = VK_SAMPLE_COUNT_1_BIT; attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE; attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; attachments[0].initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; attachments[0].finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; attachments[0].flags = 0; // Second attachment is input attachment. Once cleared it should have // width*height yellow pixels. Doing a subpassLoad in the fragment shader // should give the shader the color at the fragments x,y location // from the input attachment attachments[1].format = info.format; attachments[1].samples = VK_SAMPLE_COUNT_1_BIT; attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_LOAD; attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; attachments[1].initialLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; attachments[1].finalLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; attachments[1].flags = 0; VkAttachmentReference color_reference = {}; color_reference.attachment = 0; color_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; VkAttachmentReference input_reference = {}; input_reference.attachment = 1; input_reference.layout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; VkSubpassDescription subpass = {}; subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; subpass.flags = 0; subpass.inputAttachmentCount = 1; subpass.pInputAttachments = &input_reference; subpass.colorAttachmentCount = 1; subpass.pColorAttachments = &color_reference; subpass.pResolveAttachments = NULL; subpass.pDepthStencilAttachment = NULL; subpass.preserveAttachmentCount = 0; subpass.pPreserveAttachments = NULL; VkRenderPassCreateInfo rp_info = {}; rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; rp_info.pNext = NULL; rp_info.attachmentCount = 2; rp_info.pAttachments = attachments; rp_info.subpassCount = 1; rp_info.pSubpasses = &subpass; rp_info.dependencyCount = 0; rp_info.pDependencies = NULL; res = vkCreateRenderPass(info.device, &rp_info, NULL, &info.render_pass); assert(!res); init_shaders(info, vertShaderText, fragShaderText); VkImageView fb_attachments[2]; fb_attachments[1] = input_attachment_view; VkFramebufferCreateInfo fbc_info = {}; fbc_info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO; fbc_info.pNext = NULL; fbc_info.renderPass = info.render_pass; fbc_info.attachmentCount = 2; fbc_info.pAttachments = fb_attachments; fbc_info.width = info.width; fbc_info.height = info.height; fbc_info.layers = 1; uint32_t i; info.framebuffers = (VkFramebuffer *)malloc(info.swapchainImageCount * sizeof(VkFramebuffer)); for (i = 0; i < info.swapchainImageCount; i++) { fb_attachments[0] = info.buffers[i].view; res = vkCreateFramebuffer(info.device, &fbc_info, NULL, &info.framebuffers[i]); assert(res == VK_SUCCESS); } VkDescriptorPoolSize type_count[1]; type_count[0].type = VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT; type_count[0].descriptorCount = 1; VkDescriptorPoolCreateInfo descriptor_pool = {}; descriptor_pool.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; descriptor_pool.pNext = NULL; descriptor_pool.maxSets = 1; descriptor_pool.poolSizeCount = 1; descriptor_pool.pPoolSizes = type_count; res = vkCreateDescriptorPool(info.device, &descriptor_pool, NULL, &info.desc_pool); assert(res == VK_SUCCESS); VkDescriptorSetAllocateInfo desc_alloc_info[1]; desc_alloc_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; desc_alloc_info[0].pNext = NULL; desc_alloc_info[0].descriptorPool = info.desc_pool; desc_alloc_info[0].descriptorSetCount = 1; desc_alloc_info[0].pSetLayouts = info.desc_layout.data(); info.desc_set.resize(1); res = vkAllocateDescriptorSets(info.device, desc_alloc_info, info.desc_set.data()); assert(res == VK_SUCCESS); VkWriteDescriptorSet writes[1]; // Write descriptor set with one write describing input attachment writes[0] = {}; writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; writes[0].dstSet = info.desc_set[0]; writes[0].dstBinding = 0; writes[0].descriptorCount = 1; writes[0].descriptorType = VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT; writes[0].pImageInfo = &input_image_info; writes[0].pBufferInfo = nullptr; writes[0].pTexelBufferView = nullptr; writes[0].dstArrayElement = 0; vkUpdateDescriptorSets(info.device, 1, writes, 0, NULL); init_pipeline_cache(info); init_pipeline(info, depthPresent, vertexPresent); // Color attachment clear to gray VkClearValue clear_values; clear_values.color.float32[0] = 0.2f; clear_values.color.float32[1] = 0.2f; clear_values.color.float32[2] = 0.2f; clear_values.color.float32[3] = 0.2f; VkSemaphoreCreateInfo imageAcquiredSemaphoreCreateInfo; imageAcquiredSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; imageAcquiredSemaphoreCreateInfo.pNext = NULL; imageAcquiredSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &imageAcquiredSemaphoreCreateInfo, NULL, &info.imageAcquiredSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, info.imageAcquiredSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 1; rp_begin.pClearValues = &clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); init_viewports(info); init_scissors(info); vkCmdDraw(info.cmd, 3, 1, 0, 0); vkCmdEndRenderPass(info.cmd); res = vkEndCommandBuffer(info.cmd); assert(res == VK_SUCCESS); /* VULKAN_KEY_END */ const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); execute_queue_cmdbuf(info, cmd_bufs, drawFence); do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); vkDestroyFence(info.device, drawFence, NULL); execute_present_image(info); wait_seconds(1); if (info.save_images) write_ppm(info, "input_attachment"); vkDestroySemaphore(info.device, info.imageAcquiredSemaphore, NULL); vkDestroyImageView(info.device, input_attachment_view, NULL); vkDestroyImage(info.device, input_image, NULL); vkFreeMemory(info.device, input_memory, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_descriptor_pool(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
bool render() { if (!vk_globals::is_init) { return false; } vkDeviceWaitIdle(vk_globals::device); if (!check_events()) { return false; } resources::s_render_context const* render_context; VERIFY(resources::get_current_render_context(&render_context)); uint32_t image_index; VkResult result = vkAcquireNextImageKHR(vk_globals::device, vk_globals::swapchain.handle, UINT64_MAX, render_context->image_available_semaphore, VK_NULL_HANDLE, &image_index); switch (result) { case VK_SUCCESS: break; case VK_SUBOPTIMAL_KHR: case VK_ERROR_OUT_OF_DATE_KHR: graphics::render3d::resources::create_pipeline(); return true; default: SET_ERROR (LOG_TYPE, "Problem occurred during swap chain image acquisition!", ""); return false; } VERIFY(fill_present_command_buffer(render_context->command_buffer, vk_globals::swapchain.images[image_index])); VkPipelineStageFlags wait_dst_stage_mask = VK_PIPELINE_STAGE_TRANSFER_BIT; VkSubmitInfo submit_info = { VK_STRUCTURE_TYPE_SUBMIT_INFO, // VkStructureType sType nullptr, // const void *pNext 1, // uint32_t waitSemaphoreCount &render_context->image_available_semaphore, // const VkSemaphore *pWaitSemaphores &wait_dst_stage_mask, // const VkPipelineStageFlags *pWaitDstStageMask; 1, // uint32_t commandBufferCount &render_context->command_buffer, // const VkCommandBuffer *pCommandBuffers 1, // uint32_t signalSemaphoreCount &render_context->rendering_finished_semaphore // const VkSemaphore *pSignalSemaphores }; VK_VERIFY (vkQueueSubmit(vk_globals::present_queue.handle, 1, &submit_info, render_context->fence)); VkPresentInfoKHR present_info = { VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, // VkStructureType sType nullptr, // const void *pNext 1, // uint32_t waitSemaphoreCount &render_context->rendering_finished_semaphore, // const VkSemaphore *pWaitSemaphores 1, // uint32_t swapchainCount &(vk_globals::swapchain.handle), // const VkSwapchainKHR *pSwapchains &image_index, // const uint32_t *pImageIndices nullptr // VkResult *pResults }; result = vkQueuePresentKHR(vk_globals::present_queue.handle, &present_info); switch (result) { case VK_SUCCESS: break; case VK_ERROR_OUT_OF_DATE_KHR: case VK_SUBOPTIMAL_KHR: return true; default: SET_ERROR (LOG_TYPE, "Problem occurred during image presentation!", ""); return false; } return true; }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; bool U_ASSERT_ONLY pass; struct sample_info info = {}; char sample_title[] = "Texel Buffer Sample"; float texels[] = {1.0, 0.0, 1.0}; const bool depthPresent = false; const bool vertexPresent = false; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); if (info.gpu_props.limits.maxTexelBufferElements < 4) { std::cout << "maxTexelBufferElements too small\n"; exit(-1); } VkFormatProperties props; vkGetPhysicalDeviceFormatProperties(info.gpus[0], VK_FORMAT_R32_SFLOAT, &props); if (!(props.bufferFeatures & VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT)) { std::cout << "R32_SFLOAT format unsupported for texel buffer\n"; exit(-1); } init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); VkBufferCreateInfo buf_info = {}; buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; buf_info.pNext = NULL; buf_info.usage = VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT; buf_info.size = sizeof(texels); buf_info.queueFamilyIndexCount = 0; buf_info.pQueueFamilyIndices = NULL; buf_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; buf_info.flags = 0; VkBuffer texelBuf; res = vkCreateBuffer(info.device, &buf_info, NULL, &texelBuf); assert(res == VK_SUCCESS); VkMemoryRequirements mem_reqs; vkGetBufferMemoryRequirements(info.device, texelBuf, &mem_reqs); VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.pNext = NULL; alloc_info.memoryTypeIndex = 0; alloc_info.allocationSize = mem_reqs.size; pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &alloc_info.memoryTypeIndex); assert(pass && "No mappable, coherent memory"); VkDeviceMemory texelMem; res = vkAllocateMemory(info.device, &alloc_info, NULL, &texelMem); assert(res == VK_SUCCESS); uint8_t *pData; res = vkMapMemory(info.device, texelMem, 0, mem_reqs.size, 0, (void **)&pData); assert(res == VK_SUCCESS); memcpy(pData, &texels, sizeof(texels)); vkUnmapMemory(info.device, texelMem); res = vkBindBufferMemory(info.device, texelBuf, texelMem, 0); assert(res == VK_SUCCESS); VkBufferView texel_view; VkBufferViewCreateInfo view_info = {}; view_info.sType = VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO; view_info.pNext = NULL; view_info.buffer = texelBuf; view_info.format = VK_FORMAT_R32_SFLOAT; view_info.offset = 0; view_info.range = sizeof(texels); vkCreateBufferView(info.device, &view_info, NULL, &texel_view); VkDescriptorBufferInfo texel_buffer_info = {}; texel_buffer_info.buffer = texelBuf; texel_buffer_info.offset = 0; texel_buffer_info.range = sizeof(texels); // init_descriptor_and_pipeline_layouts(info, false); VkDescriptorSetLayoutBinding layout_bindings[1]; layout_bindings[0].binding = 0; layout_bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER; layout_bindings[0].descriptorCount = 1; layout_bindings[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; layout_bindings[0].pImmutableSamplers = NULL; /* Next take layout bindings and use them to create a descriptor set layout */ VkDescriptorSetLayoutCreateInfo descriptor_layout = {}; descriptor_layout.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; descriptor_layout.pNext = NULL; descriptor_layout.bindingCount = 1; descriptor_layout.pBindings = layout_bindings; info.desc_layout.resize(NUM_DESCRIPTOR_SETS); res = vkCreateDescriptorSetLayout(info.device, &descriptor_layout, NULL, info.desc_layout.data()); assert(res == VK_SUCCESS); /* Now use the descriptor layout to create a pipeline layout */ VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {}; pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; pPipelineLayoutCreateInfo.pNext = NULL; pPipelineLayoutCreateInfo.pushConstantRangeCount = 0; pPipelineLayoutCreateInfo.pPushConstantRanges = NULL; pPipelineLayoutCreateInfo.setLayoutCount = NUM_DESCRIPTOR_SETS; pPipelineLayoutCreateInfo.pSetLayouts = info.desc_layout.data(); res = vkCreatePipelineLayout(info.device, &pPipelineLayoutCreateInfo, NULL, &info.pipeline_layout); assert(res == VK_SUCCESS); init_renderpass(info, depthPresent); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, depthPresent); VkDescriptorPoolSize type_count[1]; type_count[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER; type_count[0].descriptorCount = 1; VkDescriptorPoolCreateInfo descriptor_pool = {}; descriptor_pool.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; descriptor_pool.pNext = NULL; descriptor_pool.maxSets = 1; descriptor_pool.poolSizeCount = 1; descriptor_pool.pPoolSizes = type_count; res = vkCreateDescriptorPool(info.device, &descriptor_pool, NULL, &info.desc_pool); assert(res == VK_SUCCESS); VkDescriptorSetAllocateInfo desc_alloc_info[1]; desc_alloc_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; desc_alloc_info[0].pNext = NULL; desc_alloc_info[0].descriptorPool = info.desc_pool; desc_alloc_info[0].descriptorSetCount = NUM_DESCRIPTOR_SETS; desc_alloc_info[0].pSetLayouts = info.desc_layout.data(); /* Allocate descriptor set with UNIFORM_BUFFER_DYNAMIC */ info.desc_set.resize(NUM_DESCRIPTOR_SETS); res = vkAllocateDescriptorSets(info.device, desc_alloc_info, info.desc_set.data()); assert(res == VK_SUCCESS); VkWriteDescriptorSet writes[1]; writes[0] = {}; writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; writes[0].dstSet = info.desc_set[0]; writes[0].dstBinding = 0; writes[0].descriptorCount = 1; writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER; writes[0].pBufferInfo = &texel_buffer_info; writes[0].pTexelBufferView = &texel_view; writes[0].dstArrayElement = 0; vkUpdateDescriptorSets(info.device, 1, writes, 0, NULL); init_pipeline_cache(info); init_pipeline(info, depthPresent, vertexPresent); /* VULKAN_KEY_START */ VkClearValue clear_values[1]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; VkSemaphoreCreateInfo imageAcquiredSemaphoreCreateInfo; imageAcquiredSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; imageAcquiredSemaphoreCreateInfo.pNext = NULL; imageAcquiredSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &imageAcquiredSemaphoreCreateInfo, NULL, &info.imageAcquiredSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, info.imageAcquiredSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 1; rp_begin.pClearValues = clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); init_viewports(info); init_scissors(info); vkCmdDraw(info.cmd, 3, 1, 0, 0); vkCmdEndRenderPass(info.cmd); res = vkEndCommandBuffer(info.cmd); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); execute_queue_cmdbuf(info, cmd_bufs, drawFence); do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); vkDestroyFence(info.device, drawFence, NULL); execute_present_image(info); wait_seconds(1); /* VULKAN_KEY_END */ if (info.save_images) write_ppm(info, "texel_buffer"); vkDestroySemaphore(info.device, info.imageAcquiredSemaphore, NULL); vkDestroyBufferView(info.device, texel_view, NULL); vkDestroyBuffer(info.device, texelBuf, NULL); vkFreeMemory(info.device, texelMem, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_descriptor_pool(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; struct sample_info info = {}; char sample_title[] = "Copy/Blit Image"; VkImageCreateInfo image_info; VkImage bltSrcImage; VkImage bltDstImage; VkMemoryRequirements memReq; VkMemoryAllocateInfo memAllocInfo; VkDeviceMemory dmem; unsigned char *pImgMem; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 640, 640); init_connection(info); init_window(info); init_swapchain_extension(info); VkSurfaceCapabilitiesKHR surfCapabilities; res = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(info.gpus[0], info.surface, &surfCapabilities); if (!(surfCapabilities.supportedUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT)) { std::cout << "Surface cannot be destination of blit - abort \n"; exit(-1); } init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT); /* VULKAN_KEY_START */ VkFormatProperties formatProps; vkGetPhysicalDeviceFormatProperties(info.gpus[0], info.format, &formatProps); assert( (formatProps.linearTilingFeatures & VK_FORMAT_FEATURE_BLIT_SRC_BIT) && "Format cannot be used as transfer source"); VkSemaphore presentCompleteSemaphore; VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &presentCompleteSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, presentCompleteSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); // Create an image, map it, and write some values to the image image_info.sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO; image_info.pNext = NULL; image_info.imageType = VK_IMAGE_TYPE_2D; image_info.format = info.format; image_info.extent.width = info.width; image_info.extent.height = info.height; image_info.extent.depth = 1; image_info.mipLevels = 1; image_info.arrayLayers = 1; image_info.samples = NUM_SAMPLES; image_info.queueFamilyIndexCount = 0; image_info.pQueueFamilyIndices = NULL; image_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; image_info.usage = VK_IMAGE_USAGE_TRANSFER_SRC_BIT; image_info.flags = 0; image_info.tiling = VK_IMAGE_TILING_LINEAR; image_info.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED; res = vkCreateImage(info.device, &image_info, NULL, &bltSrcImage); memAllocInfo.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; memAllocInfo.pNext = NULL; vkGetImageMemoryRequirements(info.device, bltSrcImage, &memReq); bool pass = memory_type_from_properties(info, memReq.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &memAllocInfo.memoryTypeIndex); assert(pass); memAllocInfo.allocationSize = memReq.size; res = vkAllocateMemory(info.device, &memAllocInfo, NULL, &dmem); res = vkBindImageMemory(info.device, bltSrcImage, dmem, 0); set_image_layout(info, bltSrcImage, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_GENERAL); res = vkEndCommandBuffer(info.cmd); assert(res == VK_SUCCESS); VkFence cmdFence; init_fence(info, cmdFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submit_info = {}; submit_info.pNext = NULL; submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info.waitSemaphoreCount = 1; submit_info.pWaitSemaphores = &presentCompleteSemaphore; submit_info.pWaitDstStageMask = &pipe_stage_flags; submit_info.commandBufferCount = 1; submit_info.pCommandBuffers = &info.cmd; submit_info.signalSemaphoreCount = 0; submit_info.pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, &submit_info, cmdFence); assert(res == VK_SUCCESS); /* Make sure command buffer is finished before mapping */ do { res = vkWaitForFences(info.device, 1, &cmdFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); vkDestroyFence(info.device, cmdFence, NULL); res = vkMapMemory(info.device, dmem, 0, memReq.size, 0, (void **)&pImgMem); // Checkerboard of 8x8 pixel squares for (int row = 0; row < info.height; row++) { for (int col = 0; col < info.width; col++) { unsigned char rgb = (((row & 0x8) == 0) ^ ((col & 0x8) == 0)) * 255; pImgMem[0] = rgb; pImgMem[1] = rgb; pImgMem[2] = rgb; pImgMem[3] = 255; pImgMem += 4; } } // Flush the mapped memory and then unmap it Assume it isn't coherent since // we didn't really confirm VkMappedMemoryRange memRange; memRange.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE; memRange.pNext = NULL; memRange.memory = dmem; memRange.offset = 0; memRange.size = memReq.size; res = vkFlushMappedMemoryRanges(info.device, 1, &memRange); vkUnmapMemory(info.device, dmem); vkResetCommandBuffer(info.cmd, 0); execute_begin_command_buffer(info); set_image_layout(info, bltSrcImage, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_GENERAL, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL); bltDstImage = info.buffers[info.current_buffer].image; // init_swap_chain will create the images as color attachment optimal // but we want transfer dst optimal set_image_layout(info, bltDstImage, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL); // Do a 32x32 blit to all of the dst image - should get big squares VkImageBlit region; region.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; region.srcSubresource.mipLevel = 0; region.srcSubresource.baseArrayLayer = 0; region.srcSubresource.layerCount = 1; region.srcOffsets[0].x = 0; region.srcOffsets[0].y = 0; region.srcOffsets[0].z = 0; region.srcOffsets[1].x = 32; region.srcOffsets[1].y = 32; region.srcOffsets[1].z = 1; region.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; region.dstSubresource.mipLevel = 0; region.dstSubresource.baseArrayLayer = 0; region.dstSubresource.layerCount = 1; region.dstOffsets[0].x = 0; region.dstOffsets[0].y = 0; region.dstOffsets[0].z = 0; region.dstOffsets[1].x = info.width; region.dstOffsets[1].y = info.height; region.dstOffsets[1].z = 1; vkCmdBlitImage(info.cmd, bltSrcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, bltDstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, ®ion, VK_FILTER_LINEAR); // Do a image copy to part of the dst image - checks should stay small VkImageCopy cregion; cregion.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; cregion.srcSubresource.mipLevel = 0; cregion.srcSubresource.baseArrayLayer = 0; cregion.srcSubresource.layerCount = 1; cregion.srcOffset.x = 0; cregion.srcOffset.y = 0; cregion.srcOffset.z = 0; cregion.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; cregion.dstSubresource.mipLevel = 0; cregion.dstSubresource.baseArrayLayer = 0; cregion.dstSubresource.layerCount = 1; cregion.dstOffset.x = 256; cregion.dstOffset.y = 256; cregion.dstOffset.z = 0; cregion.extent.width = 128; cregion.extent.height = 128; cregion.extent.depth = 1; vkCmdCopyImage(info.cmd, bltSrcImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, bltDstImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &cregion); VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; prePresentBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(info.cmd); VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); submit_info.pNext = NULL; submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info.waitSemaphoreCount = 0; submit_info.pWaitSemaphores = NULL; submit_info.pWaitDstStageMask = NULL; submit_info.commandBufferCount = 1; submit_info.pCommandBuffers = &info.cmd; submit_info.signalSemaphoreCount = 0; submit_info.pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, &submit_info, drawFence); assert(res == VK_SUCCESS); res = vkQueueWaitIdle(info.queue); assert(res == VK_SUCCESS); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); /* VULKAN_KEY_END */ if (info.save_images) write_ppm(info, "copyblitimage"); vkDestroySemaphore(info.device, presentCompleteSemaphore, NULL); vkDestroyFence(info.device, drawFence, NULL); vkDestroyImage(info.device, bltSrcImage, NULL); vkFreeMemory(info.device, dmem, NULL); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
int tut7_render_start(struct tut7_render_essentials *essentials, struct tut2_device *dev, struct tut6_swapchain *swapchain, VkImageLayout to_layout, uint32_t *image_index) { tut1_error retval = TUT1_ERROR_NONE; VkResult res; /* Use `vkAcquireNextImageKHR` to get an image to render to */ res = vkAcquireNextImageKHR(dev->device, swapchain->swapchain, 1000000000, essentials->sem_post_acquire, NULL, image_index); tut1_error_set_vkresult(&retval, res); if (res == VK_TIMEOUT) { printf("A whole second and no image. I give up.\n"); return -1; } else if (res == VK_SUBOPTIMAL_KHR) printf("Did you change the window size? I didn't recreate the swapchains,\n" "so the presentation is now suboptimal.\n"); else if (res < 0) { tut1_error_printf(&retval, "Couldn't acquire image\n"); return -1; } /* * Unless the first time we are rendering, wait for the last frame to finish rendering. Let's wait up to a * second, and if the fence is still not signalled, we'll assume something went horribly wrong and quit. * * This wait needs to be done before we start recording over the command buffer again, because, well, if not * we would be resetting it while it's being executed. */ if (!essentials->first_render) { res = vkWaitForFences(dev->device, 1, &essentials->exec_fence, true, 1000000000); tut1_error_set_vkresult(&retval, res); if (res) { tut1_error_printf(&retval, "Wait for fence failed\n"); return -1; } } essentials->first_render = false; /* * We have seen many of the command buffer functions in Tutorial 4. Here is a short recap: * * - reset: remove all previous recordings from the command buffer * - begin: start recording * - bind pipeline: specify the pipeline the commands run on (unused here) * - bind descriptor set: specify resources to use for rendering (unused here) * - end: stop recording */ vkResetCommandBuffer(essentials->cmd_buffer, 0); VkCommandBufferBeginInfo begin_info = { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, .flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT, }; res = vkBeginCommandBuffer(essentials->cmd_buffer, &begin_info); tut1_error_set_vkresult(&retval, res); if (res) { tut1_error_printf(&retval, "Couldn't even begin recording a command buffer\n"); return -1; } /* * To transition an image to a new layout, an image barrier is used. Before we see how that is done, let's see * what it even means. * * In Vulkan, there are barriers on different kinds of resources (images, buffers and memory) and other means * to specify execution dependency. In each case, you want to make sure some actions A are all executed before * some actions B. In the specific case of barriers, A could be actions that do something to the resource and * B could be actions that need the result of those actions. * * In our specific case, we want to change the layout of a swapchain image. For the transition from present * src, we want to make sure that all writes to the image are done after the transition is done. For the * transition to present src, we want to make sure that all writes to the image are done before the transition * is done. Note: if we had a graphics pipeline, we would be talking about "color attachment writes" instead * of just "writes". Keep that in mind. * * Using a VkImageMemoryBarrier, we are not only specifying how the image layout should change (if changed at * all), but also defining the actions A and B where an execution dependency would be created. In the first * barrier (transition from present src), all reads of the image (for previous presentation) must happen before * the barrier (A is the set of READ operations), and all writes must be done after the barrier (B is the set * of WRITE operations). The situation is reversed with the second barrier (transition to present src). * * In Vulkan, actions A are referred to as `src` and actions B are referred to as `dst`. * * Using an image barrier, it's also possible to transfer one image from a queue family to another, in which * case A is the set of actions accessing the image in the first queue family and B is the set of actions * accessing the image in the second queue family. We are not moving between queue families, so we'll specify * this intention as well. * * In our layout transition, we are transitioning from present src to to_layout and back. However, the first * time the transition happens, the swapchain image layout is actually UNDEFINED. Either way, since we are not * interested in what was previously in the image when we are just about to render into it, we can set the * `oldLayout` (the layout transitioning from) to UNDEFINED. This makes the transition more efficient because * Vulkan knows it can just throw away the contents of the image. Note: in Tutorial 7, we are transition to * "general", but if we had a graphics pipeline, we would be transition to the "color attachment optimal" * layout instead. * * Finally, we need to specify which part of the image (subresource) is being transitioned. We want to * transition COLOR parts of the image (which in this case, all of the image is COLOR), and all mip levels and * arrays (which are both in this case single). */ VkImageMemoryBarrier image_barrier = { .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, .srcAccessMask = VK_ACCESS_MEMORY_READ_BIT, .dstAccessMask = VK_ACCESS_MEMORY_WRITE_BIT, .oldLayout = VK_IMAGE_LAYOUT_UNDEFINED, .newLayout = to_layout, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .image = essentials->images[*image_index], .subresourceRange = { .aspectMask = VK_IMAGE_ASPECT_COLOR_BIT, .baseMipLevel = 0, .levelCount = 1, .baseArrayLayer = 0, .layerCount = 1, }, }; /* * The image barrier structure above defines the execution dependency of sets of actions A and B. When * applying the barrier, we also need to specify which pipeline stages these sets of actions are taken from. * * In our barrier, first we want to make sure all READs from the image (by the previous presentation) is done * before the barrier. These reads are not part of our rendering. In fact, they are really done before the * graphics pipeline even begins. So the pipeline stage we specify for `src` would be the top of the pipeline, * which means before the pipeline begins. Second, we want to make sure all writes to the image (for * rendering) is done after the barrier. The writes to the image are likely to happen at later stages of the * graphics pipeline, so we can specify those stages as `dst` stages of the barrier. We have already specified * that the barrier works on WRITEs, so we can also be a bit lazy and say that the `dst` stage is all graphics * pipeline stages. * * Let's rephrase the above to make sure it's clear. The vkCmdPipelineBarrier takes a src and dst stage mask. * The arguments are called srcStageMask and dstStageMask. They can contain more than one pipeline stage. * Take the combinations (srcAccessMask, srcStageMask) and (dstAccessMask, dstStageMask). Say we make a * barrier from (A, Sa) to (B, Sb) as src and dst parts of the barrier respectively. The barrier then means * that all actions A in stages Sa are done before all actions B in stages Sb. So, if Sb is all graphics * stages, it means that all actions A in stages Sa are done before all actions B anywhere. If Sa is top of * the pipeline, it means that all actions A before the pipeline are done before all actions B anywhere. * * All READs before the pipeline must be done before all WRITEs anywhere. */ vkCmdPipelineBarrier(essentials->cmd_buffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, 0, /* no flags */ 0, NULL, /* no memory barriers */ 0, NULL, /* no buffer barriers */ 1, &image_barrier); /* our image transition */ return 0; }
void VulkanBase::createInstance() { // Application info init const VkApplicationInfo applicationInfo = { .sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, .pNext = NULL, .pApplicationName = name.c_str(), .applicationVersion = 1, .pEngineName = engineName.c_str(), .engineVersion = 1, .apiVersion = VK_API_VERSION, //FIXME Nvidia driver not updated to latest Vulkan Version }; VkInstanceCreateInfo instanceCreateInfo = { .sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, .pNext = NULL, .flags = VK_FLAGS_NONE, .pApplicationInfo = &applicationInfo, .enabledLayerCount = 0, .ppEnabledLayerNames = NULL, .enabledExtensionCount = 0, .ppEnabledExtensionNames = NULL, }; std::vector<const char*> enabledExtensions = { VK_KHR_SURFACE_EXTENSION_NAME, VK_KHR_XCB_SURFACE_EXTENSION_NAME}; //Check if extensions are present vkUtils::checkGlobalExtensionPresent(VK_KHR_SURFACE_EXTENSION_NAME); vkUtils::checkGlobalExtensionPresent(VK_KHR_XCB_SURFACE_EXTENSION_NAME); #ifdef _DEBUG if (enableValidation) { //Extensions management enabledExtensions.push_back(VK_EXT_DEBUG_REPORT_EXTENSION_NAME); vkUtils::checkGlobalExtensionPresent(VK_EXT_DEBUG_REPORT_EXTENSION_NAME); // Layer management instanceCreateInfo.enabledLayerCount = vkDebug::validationLayerCount; instanceCreateInfo.ppEnabledLayerNames = vkDebug::validationLayerNames; // Check standard debug layers are present for(uint32_t i = 0; i < instanceCreateInfo.enabledLayerCount; i++) { vkUtils::checkGlobalLayerPresent(vkDebug::validationLayerNames[i]); } } #endif // DEBUG instanceCreateInfo.ppEnabledExtensionNames = enabledExtensions.data(); instanceCreateInfo.enabledExtensionCount = (uint32_t) enabledExtensions.size(); CHECK_RESULT(vkCreateInstance(&instanceCreateInfo, nullptr, &instance)); } void VulkanBase::selectVkPhysicalDevice() { uint32_t physicalDeviceCount = 0; CHECK_RESULT(vkEnumeratePhysicalDevices(instance,&physicalDeviceCount,nullptr)); if (physicalDeviceCount<=0) { ERROR("No physical device found"); } std::vector<VkPhysicalDevice> physicalDevicesVector(physicalDeviceCount); CHECK_RESULT(vkEnumeratePhysicalDevices(instance,&physicalDeviceCount,physicalDevicesVector.data())); #ifdef _DEBUG int deviceIndex = 0; for(const auto & phyDev : physicalDevicesVector) { VkPhysicalDeviceProperties phyDevProperties; vkGetPhysicalDeviceProperties(phyDev, &phyDevProperties); std::cout << "--- Physical device: " << phyDevProperties.deviceName << " (index: " << (deviceIndex++) << ")" << std::endl; std::cout << " apiVersion: " << phyDevProperties.apiVersion << std::endl; std::cout << " driverVersion: " << phyDevProperties.driverVersion << std::endl; std::cout << " vendorID: " << phyDevProperties.vendorID << std::endl; std::cout << " deviceID: " << phyDevProperties.deviceID << std::endl; std::cout << " deviceType: "; switch(phyDevProperties.deviceType) { case VK_PHYSICAL_DEVICE_TYPE_OTHER: std::cout << "OTHER"; break; case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU: std::cout << "INTEGRATED_GPU"; break; case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU: std::cout << "DISCRETE_GPU"; break; case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU: std::cout << "VIRTUAL_GPU"; break; case VK_PHYSICAL_DEVICE_TYPE_CPU: std::cout << "CPU"; break; default: std::cout << "UNKNOWN!!!"; break; } std::cout << std::endl; } #endif // _DEBUG physicalDevice = physicalDevicesVector.at(0); // Gather Physical Device Memory Properties vkGetPhysicalDeviceMemoryProperties(physicalDevice,&physicalDeviceMemoryProperties); } void VulkanBase::selectQueue() { uint32_t queueFamilyPropertyCount = 0; vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice,&queueFamilyPropertyCount,nullptr); if (queueFamilyPropertyCount<=0) ERROR("Physical device has no queue families"); std::vector<VkQueueFamilyProperties> queueFamilyPropertiesVector(queueFamilyPropertyCount); vkGetPhysicalDeviceQueueFamilyProperties(physicalDevice,&queueFamilyPropertyCount,queueFamilyPropertiesVector.data()); uint32_t queueFamilyIndex = 0; int32_t selectedQueueFamilyIndex = -1; VkBool32 presentSupport = VK_FALSE; #ifdef _DEBUG std::cout << std::endl << "--- Number of queue families " << queueFamilyPropertyCount << std::endl; #endif // _DEBUG for(const auto & queueFamProp : queueFamilyPropertiesVector) { CHECK_RESULT(vkGetPhysicalDeviceSurfaceSupportKHR(physicalDevice, queueFamilyIndex, swapchain.surface, &presentSupport)); #ifdef _DEBUG std::cout << "--- Properties for queue family " << queueFamilyIndex << std::endl; std::cout << " queueFlags:"; if(queueFamProp.queueFlags & VK_QUEUE_GRAPHICS_BIT) std::cout << " G"; if(queueFamProp.queueFlags & VK_QUEUE_COMPUTE_BIT) std::cout << " C"; if(queueFamProp.queueFlags & VK_QUEUE_TRANSFER_BIT) std::cout << " T"; if(queueFamProp.queueFlags & VK_QUEUE_SPARSE_BINDING_BIT) std::cout << " S"; std::cout << '\n'; std::cout << " queueCount: " << queueFamProp.queueCount << std::endl; std::cout << " timestampValidBits: " << queueFamProp.timestampValidBits << std::endl; std::cout << " minImageTransferGranularity: " << queueFamProp.minImageTransferGranularity.width << ", " << queueFamProp.minImageTransferGranularity.height << ", " << queueFamProp.minImageTransferGranularity.depth << std::endl; std::cout << " Supports present?: " << std::boolalpha << bool(presentSupport) << std::endl << std::endl; #endif // _DEBUG if (bool(queueFamProp.queueFlags & VK_QUEUE_GRAPHICS_BIT) && presentSupport == VK_TRUE) { if (selectedQueueFamilyIndex < 0) selectedQueueFamilyIndex = queueFamilyIndex; } queueFamilyIndex++; } if (selectedQueueFamilyIndex<0) ERROR("No queue with both graphics and present capabilities found"); // Create device after selecting the queue std::array<float,1> queuePriorities = {0.0f}; VkDeviceQueueCreateInfo queueCreateInfo = { .sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, .pNext = nullptr, .flags = VK_FLAGS_NONE, .queueFamilyIndex = (uint32_t) selectedQueueFamilyIndex, .queueCount = 1, //Number of queues to create .pQueuePriorities = queuePriorities.data() }; // Call to createDevice createDevice(queueCreateInfo,1); //Get a handle to the selected queue vkGetDeviceQueue(device, (uint32_t) selectedQueueFamilyIndex, 0, &queue); //TODO get handle if using multiple queues queueFamilyIndex = (uint32_t) selectedQueueFamilyIndex; } void VulkanBase::createDevice(VkDeviceQueueCreateInfo requestedQueues, uint32_t requestedQueuesCount) { //Check extensions available on the selected physical device before creating it // Check swap chain extension vkUtils::checkDeviceExtensionPresent(physicalDevice,VK_KHR_SWAPCHAIN_EXTENSION_NAME); std::vector<const char*> enabledExtensions = {VK_KHR_SWAPCHAIN_EXTENSION_NAME}; VkDeviceCreateInfo deviceCreateInfo = { .sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, .pNext = nullptr, .flags = VK_FLAGS_NONE, .queueCreateInfoCount = requestedQueuesCount, .pQueueCreateInfos = &requestedQueues, .enabledLayerCount = 0, .ppEnabledLayerNames = nullptr, .enabledExtensionCount = (uint32_t) enabledExtensions.size(), .ppEnabledExtensionNames = enabledExtensions.data(), .pEnabledFeatures = NULL }; #ifdef _DEBUG if (enableValidation) { deviceCreateInfo.enabledLayerCount = vkDebug::validationLayerCount; deviceCreateInfo.ppEnabledLayerNames = vkDebug::validationLayerNames; // Check standard debug layers are present on the device for(uint32_t i = 0; i < deviceCreateInfo.enabledLayerCount; i++) { vkUtils::checkGlobalLayerPresent(vkDebug::validationLayerNames[i]); } } #endif // _DEBUG CHECK_RESULT(vkCreateDevice(physicalDevice, &deviceCreateInfo, nullptr, &device)); } void VulkanBase::createCommandPool(const uint32_t queueFamilyIndex, const VkCommandPoolCreateFlagBits createFlagBits) { const VkCommandPoolCreateInfo commandPoolCreateInfo= { .sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, .pNext = NULL, .flags = createFlagBits, .queueFamilyIndex = queueFamilyIndex }; CHECK_RESULT(vkCreateCommandPool(device, &commandPoolCreateInfo,nullptr,&commandPool)); #ifdef _DEBUG std::cout << "\n+++ Created command pool" << std::endl; #endif // _DEBUG } void VulkanBase::createSynchroItems() { // Semaphores VkSemaphoreCreateInfo semaphoreCreateInfo = { .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, .pNext = NULL, .flags = VK_FLAGS_NONE }; // Semaphore signaled on swapchain image ready to use and wait on the queue before rendering/present CHECK_RESULT(vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &imageAcquiredSemaphore)); // Semaphore signaled on queue rendering termination and waited on present operation CHECK_RESULT(vkCreateSemaphore(device, &semaphoreCreateInfo, nullptr, &renderingCompletedSemaphore)); // Fences VkFenceCreateInfo fenceCreateInfo = { .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, .pNext = NULL, .flags = VK_FLAGS_NONE }; CHECK_RESULT(vkCreateFence(device, &fenceCreateInfo, nullptr, &presentFence)); #ifdef _DEBUG std::cout << "\n+++ Created semaphores and fences\n"; #endif // _DEBUG } void VulkanBase::createCommandBuffers(VkCommandBuffer* cmdBuffer, uint32_t commandBufferCount, VkCommandBufferLevel cmdBufferLevel) { const VkCommandBufferAllocateInfo commandBufferAllocateInfo = { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, .pNext = NULL, .commandPool = commandPool, .level = cmdBufferLevel, .commandBufferCount = commandBufferCount }; CHECK_RESULT(vkAllocateCommandBuffers(device, &commandBufferAllocateInfo, cmdBuffer)); #ifdef _DEBUG std::cout << "\n+++ Allocated " << commandBufferCount << " command buffers" << std::endl; #endif // _DEBUG } void VulkanBase::setupInitCommandBuffer() { VkCommandBufferBeginInfo commandBufferBeginInfo = { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, .pNext = NULL, .flags = VK_FLAGS_NONE, .pInheritanceInfo = NULL }; CHECK_RESULT(vkBeginCommandBuffer(initCommandBuffer, &commandBufferBeginInfo)); // Creates an image memory barrier to change the layout for every image on the swapchain VkImageMemoryBarrier imageMemoryBarrier = { .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, .pNext = NULL, .srcAccessMask = VK_FLAGS_NONE, .dstAccessMask = VK_FLAGS_NONE, .oldLayout = VK_IMAGE_LAYOUT_UNDEFINED, .newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .image = 0, .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} }; // Pipeline Barrier for each swapchain image for (const auto& image: swapchain.swapchainImagesVector){ imageMemoryBarrier.image = image; vkCmdPipelineBarrier(initCommandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, //Put barrier on top of the pipeline VK_FLAGS_NONE, 0, nullptr, // memoryBarrier 0, nullptr, // bufferMemoryBarrier 1, &imageMemoryBarrier); // imageMemoryBarrier } CHECK_RESULT(vkEndCommandBuffer(initCommandBuffer)); #ifdef _DEBUG std::cout << "\n+++ Finished recording initCommandBuffer\n"; #endif // _DEBUG } void VulkanBase::setupPresentCommandBuffer(const VkImage currentSwapchainImage, const float* clearColors) { VkCommandBufferBeginInfo commandBufferBeginInfo = { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, .pNext = NULL, .flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT, .pInheritanceInfo = NULL }; CHECK_RESULT(vkBeginCommandBuffer(presentCommandBuffer, &commandBufferBeginInfo)); VkImageMemoryBarrier imageMemoryBarrier = { .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, .pNext = NULL, .srcAccessMask = VK_ACCESS_MEMORY_READ_BIT, .dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT, .oldLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, .newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .image = currentSwapchainImage, .subresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1} }; //Set barrier on top to change layout and access vkCmdPipelineBarrier(presentCommandBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_FLAGS_NONE, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier); VkClearColorValue clearColorValue; VkImageSubresourceRange imageSubresourceRange = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 1, 0, 1}; clearColorValue.float32[0] = clearColors[0]; clearColorValue.float32[1] = clearColors[1]; clearColorValue.float32[2] = clearColors[2]; clearColorValue.float32[3] = 1.0f; // Command to clear the swapchain image vkCmdClearColorImage(presentCommandBuffer,currentSwapchainImage, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, &clearColorValue, 1, &imageSubresourceRange); /* * Transition the swapchain image from VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL * to VK_IMAGE_LAYOUT_PRESENT_SRC_KHR */ imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; imageMemoryBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_TRANSFER_WRITE_BIT; imageMemoryBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; // Set barrier end of pipeline vkCmdPipelineBarrier(presentCommandBuffer, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier ); CHECK_RESULT(vkEndCommandBuffer(presentCommandBuffer)); #ifdef _DEBUG //std::cout << "\n+++ Finished recording presentCommandBuffer\n"; #endif // _DEBUG } void VulkanBase::renderFrame(const float* clearColors) { // Wait on previous frame fence (render too fast) //CHECK_RESULT(vkWaitForFences(device, 1, &presentFence, VK_TRUE, UINT64_MAX)); //CHECK_RESULT(vkResetFences(device, 1, &presentFence)); // Acquire next image on the swapchain uint32_t imageIndex = UINT64_MAX; CHECK_RESULT(vkAcquireNextImageKHR(device, swapchain.swapchain, UINT64_MAX, imageAcquiredSemaphore, VK_NULL_HANDLE, &imageIndex)); // Setup the present command buffer setupPresentCommandBuffer(swapchain.swapchainImagesVector.at(imageIndex),clearColors); // Submit present command buffer to the queue // Waits on imageAcquiredSemaphore so it doesnt start rendering until the image from the swapchain is ready and // it also signals the renderingCompletedSemaphore used by the later present VkPipelineStageFlags pipelineStageFlags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; VkSubmitInfo submitInfo = { .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, .pNext = NULL, .waitSemaphoreCount = 1, .pWaitSemaphores = &imageAcquiredSemaphore, .pWaitDstStageMask = &pipelineStageFlags, .commandBufferCount = 1, .pCommandBuffers = &presentCommandBuffer, .signalSemaphoreCount = 1, .pSignalSemaphores = &renderingCompletedSemaphore }; CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE)); // Present the rendered image VkPresentInfoKHR presentInfo = { .sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR, .pNext = NULL, .waitSemaphoreCount = 1, .pWaitSemaphores = &renderingCompletedSemaphore, .swapchainCount = 1, .pSwapchains = &swapchain.swapchain, .pImageIndices = &imageIndex, .pResults = nullptr }; CHECK_RESULT(vkQueuePresentKHR(queue,&presentInfo)); CHECK_RESULT(vkQueueWaitIdle(queue)); //TODO Not sure this is the correct way... } void VulkanBase::prepare() { //Allocate command Buffers createCommandBuffers(&initCommandBuffer, 1, VK_COMMAND_BUFFER_LEVEL_PRIMARY); createCommandBuffers(&presentCommandBuffer, 1, VK_COMMAND_BUFFER_LEVEL_PRIMARY); commandBuffersVector.push_back(initCommandBuffer); commandBuffersVector.push_back(presentCommandBuffer); //Initialize command Buffers setupInitCommandBuffer(); // Submit initialization command buffer to the queue VkSubmitInfo submitInfo = { .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, .pNext = nullptr, .waitSemaphoreCount = 0, .pWaitSemaphores = nullptr, .pWaitDstStageMask = VK_FLAGS_NONE, .commandBufferCount = 1, .pCommandBuffers = &initCommandBuffer, .signalSemaphoreCount = 0, .pSignalSemaphores = nullptr }; CHECK_RESULT(vkQueueSubmit(queue,1,&submitInfo, VK_NULL_HANDLE)); CHECK_RESULT(vkQueueWaitIdle(queue)); vkFreeCommandBuffers(device, commandPool, 1, &initCommandBuffer); #ifdef _DEBUG std::cout << "\n+++ initCommandBuffer work complete!\n"; std::cout << "\n******* Rendering Start ******\n"; #endif // _DEBUG }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; struct sample_info info = {}; char sample_title[] = "Multiple Descriptor Sets"; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); init_depth_buffer(info); // Sample from a green texture to easily see that we've pulled correct texel // value const char *textureName = "green.ppm"; init_texture(info, textureName); init_uniform_buffer(info); init_renderpass(info, true); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, true); init_vertex_buffer(info, g_vb_texture_Data, sizeof(g_vb_texture_Data), sizeof(g_vb_texture_Data[0]), true); /* VULKAN_KEY_START */ // Set up two descriptor sets static const unsigned descriptor_set_count = 2; // Create first layout to contain uniform buffer data VkDescriptorSetLayoutBinding uniform_binding[1] = {}; uniform_binding[0].binding = 0; uniform_binding[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; uniform_binding[0].descriptorCount = 1; uniform_binding[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; uniform_binding[0].pImmutableSamplers = NULL; VkDescriptorSetLayoutCreateInfo uniform_layout_info[1] = {}; uniform_layout_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; uniform_layout_info[0].pNext = NULL; uniform_layout_info[0].bindingCount = 1; uniform_layout_info[0].pBindings = uniform_binding; // Create second layout containing combined sampler/image data VkDescriptorSetLayoutBinding sampler2D_binding[1] = {}; sampler2D_binding[0].binding = 0; sampler2D_binding[0].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; sampler2D_binding[0].descriptorCount = 1; sampler2D_binding[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; sampler2D_binding[0].pImmutableSamplers = NULL; VkDescriptorSetLayoutCreateInfo sampler2D_layout_info[1] = {}; sampler2D_layout_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; sampler2D_layout_info[0].pNext = NULL; sampler2D_layout_info[0].bindingCount = 1; sampler2D_layout_info[0].pBindings = sampler2D_binding; // Create multiple sets, using each createInfo static const unsigned uniform_set_index = 0; static const unsigned sampler_set_index = 1; VkDescriptorSetLayout descriptor_layouts[descriptor_set_count] = {}; res = vkCreateDescriptorSetLayout(info.device, uniform_layout_info, NULL, &descriptor_layouts[uniform_set_index]); assert(res == VK_SUCCESS); res = vkCreateDescriptorSetLayout(info.device, sampler2D_layout_info, NULL, &descriptor_layouts[sampler_set_index]); assert(res == VK_SUCCESS); // Create pipeline layout with multiple descriptor sets VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo[1] = {}; pipelineLayoutCreateInfo[0].sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; pipelineLayoutCreateInfo[0].pNext = NULL; pipelineLayoutCreateInfo[0].pushConstantRangeCount = 0; pipelineLayoutCreateInfo[0].pPushConstantRanges = NULL; pipelineLayoutCreateInfo[0].setLayoutCount = descriptor_set_count; pipelineLayoutCreateInfo[0].pSetLayouts = descriptor_layouts; res = vkCreatePipelineLayout(info.device, pipelineLayoutCreateInfo, NULL, &info.pipeline_layout); assert(res == VK_SUCCESS); // Create a single pool to contain data for our two descriptor sets VkDescriptorPoolSize type_count[2] = {}; type_count[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; type_count[0].descriptorCount = 1; type_count[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; type_count[1].descriptorCount = 1; VkDescriptorPoolCreateInfo pool_info[1] = {}; pool_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; pool_info[0].pNext = NULL; pool_info[0].maxSets = descriptor_set_count; pool_info[0].poolSizeCount = sizeof(type_count) / sizeof(VkDescriptorPoolSize); pool_info[0].pPoolSizes = type_count; VkDescriptorPool descriptor_pool[1] = {}; res = vkCreateDescriptorPool(info.device, pool_info, NULL, descriptor_pool); assert(res == VK_SUCCESS); VkDescriptorSetAllocateInfo alloc_info[1]; alloc_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; alloc_info[0].pNext = NULL; alloc_info[0].descriptorPool = descriptor_pool[0]; alloc_info[0].descriptorSetCount = descriptor_set_count; alloc_info[0].pSetLayouts = descriptor_layouts; // Populate descriptor sets VkDescriptorSet descriptor_sets[descriptor_set_count] = {}; res = vkAllocateDescriptorSets(info.device, alloc_info, descriptor_sets); assert(res == VK_SUCCESS); // Using empty brace initializer on the next line triggers a bug in older // versions of gcc, so memset instead VkWriteDescriptorSet descriptor_writes[2]; memset(descriptor_writes, 0, sizeof(descriptor_writes)); // Populate with info about our uniform buffer descriptor_writes[0] = {}; descriptor_writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; descriptor_writes[0].pNext = NULL; descriptor_writes[0].dstSet = descriptor_sets[uniform_set_index]; descriptor_writes[0].descriptorCount = 1; descriptor_writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; descriptor_writes[0].pBufferInfo = &info.uniform_data.buffer_info; // populated by init_uniform_buffer() descriptor_writes[0].dstArrayElement = 0; descriptor_writes[0].dstBinding = 0; // Populate with info about our sampled image descriptor_writes[1] = {}; descriptor_writes[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; descriptor_writes[1].pNext = NULL; descriptor_writes[1].dstSet = descriptor_sets[sampler_set_index]; descriptor_writes[1].descriptorCount = 1; descriptor_writes[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; descriptor_writes[1].pImageInfo = &info.texture_data.image_info; // populated by init_texture() descriptor_writes[1].dstArrayElement = 0; descriptor_writes[1].dstBinding = 0; vkUpdateDescriptorSets(info.device, descriptor_set_count, descriptor_writes, 0, NULL); /* VULKAN_KEY_END */ // Call remaining boilerplate utils init_pipeline_cache(info); init_pipeline(info, true); // The remaining is identical to drawtexturedcube VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore imageAcquiredSemaphore; VkSemaphoreCreateInfo imageAcquiredSemaphoreCreateInfo; imageAcquiredSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; imageAcquiredSemaphoreCreateInfo.pNext = NULL; imageAcquiredSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &imageAcquiredSemaphoreCreateInfo, NULL, &imageAcquiredSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, imageAcquiredSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, descriptor_set_count, descriptor_sets, 0, NULL); const VkDeviceSize offsets[1] = {0}; vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, offsets); init_viewports(info); init_scissors(info); vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); vkCmdEndRenderPass(info.cmd); res = vkEndCommandBuffer(info.cmd); assert(res == VK_SUCCESS); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &imageAcquiredSemaphore; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.graphics_queue, 1, submit_info, drawFence); assert(res == VK_SUCCESS); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.present_queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); if (info.save_images) write_ppm(info, "multiple_sets"); vkDestroySemaphore(info.device, imageAcquiredSemaphore, NULL); vkDestroyFence(info.device, drawFence, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_textures(info); // instead of destroy_descriptor_pool(info); vkDestroyDescriptorPool(info.device, descriptor_pool[0], NULL); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); // instead of destroy_descriptor_and_pipeline_layouts(info); for (int i = 0; i < descriptor_set_count; i++) vkDestroyDescriptorSetLayout(info.device, descriptor_layouts[i], NULL); vkDestroyPipelineLayout(info.device, info.pipeline_layout, NULL); destroy_uniform_buffer(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
//============================================================================== // 描画 //============================================================================== void Render() { VkResult result; VkCommandBuffer command = g_commandBuffers[g_currentBufferIndex]; //================================================== // コマンド記録開始 //================================================== VkCommandBufferInheritanceInfo commandBufferInheritanceInfo = {}; commandBufferInheritanceInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO; commandBufferInheritanceInfo.pNext = nullptr; commandBufferInheritanceInfo.renderPass = nullptr; commandBufferInheritanceInfo.subpass = 0; commandBufferInheritanceInfo.framebuffer = g_frameBuffers[g_currentBufferIndex]; commandBufferInheritanceInfo.occlusionQueryEnable = VK_FALSE; commandBufferInheritanceInfo.queryFlags = 0; commandBufferInheritanceInfo.pipelineStatistics = 0; VkCommandBufferBeginInfo cmdBeginInfo = {}; cmdBeginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; cmdBeginInfo.pNext = nullptr; cmdBeginInfo.flags = 0; cmdBeginInfo.pInheritanceInfo = &commandBufferInheritanceInfo; vkBeginCommandBuffer(command, &cmdBeginInfo); //================================================== // カラーバッファをクリア //================================================== static float count = 0; count += 0.0001f; count = fmodf(count, 1.0f); VkClearColorValue clearColor; clearColor.float32[0] = 0.0f; // R clearColor.float32[1] = count; // G clearColor.float32[2] = 1.0f; // B clearColor.float32[3] = 1.0f; VkImageSubresourceRange imageSubresourceRange; imageSubresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; imageSubresourceRange.baseMipLevel = 0; imageSubresourceRange.levelCount = 1; imageSubresourceRange.baseArrayLayer = 0; imageSubresourceRange.layerCount = 1; vkCmdClearColorImage( command, g_backBuffersTextures[g_currentBufferIndex].image, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, &clearColor, 1, &imageSubresourceRange); //================================================== // 深度バッファをクリア //================================================== VkClearDepthStencilValue clearDepthStencil; clearDepthStencil.depth = 1.0f; clearDepthStencil.stencil = 0; imageSubresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT; imageSubresourceRange.baseMipLevel = 0; imageSubresourceRange.levelCount = 1; imageSubresourceRange.baseArrayLayer = 0; imageSubresourceRange.layerCount = 1; vkCmdClearDepthStencilImage( command, g_depthBufferTexture.image, VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, &clearDepthStencil, 1, &imageSubresourceRange); //================================================== // リソースバリアの設定 //================================================== VkImageMemoryBarrier imageMemoryBarrier; imageMemoryBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; imageMemoryBarrier.pNext = nullptr; imageMemoryBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; imageMemoryBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; imageMemoryBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; imageMemoryBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; imageMemoryBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; imageMemoryBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; imageMemoryBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; imageMemoryBarrier.subresourceRange.baseMipLevel = 0; imageMemoryBarrier.subresourceRange.levelCount = 1; imageMemoryBarrier.subresourceRange.baseArrayLayer = 0; imageMemoryBarrier.subresourceRange.layerCount = 1; imageMemoryBarrier.image = g_backBuffersTextures[g_currentBufferIndex].image; vkCmdPipelineBarrier( command, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, nullptr, 0, nullptr, 1, &imageMemoryBarrier); //================================================== // コマンドの記録を終了 //================================================== vkEndCommandBuffer(command); //================================================== // コマンドを実行し,表示する //================================================== VkPipelineStageFlags pipeStageFlags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submitInfo = {}; submitInfo.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submitInfo.pNext = nullptr; submitInfo.waitSemaphoreCount = 0; submitInfo.pWaitSemaphores = nullptr; submitInfo.pWaitDstStageMask = &pipeStageFlags; submitInfo.commandBufferCount = 1; submitInfo.pCommandBuffers = &command; submitInfo.signalSemaphoreCount = 0; submitInfo.pSignalSemaphores = nullptr; // コマンドを実行 result = vkQueueSubmit(g_VulkanQueue, 1, &submitInfo, g_VulkanFence); checkVulkanError(result, TEXT("グラフィックスキューへのサブミット失敗")); // 完了を待機 result = vkWaitForFences(g_VulkanDevice, 1, &g_VulkanFence, VK_TRUE, TIMEOUT_NANO_SEC); // 成功したら表示 if(result == VK_SUCCESS) { VkPresentInfoKHR present = {}; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = nullptr; present.swapchainCount = 1; present.pSwapchains = &g_VulkanSwapChain; present.pImageIndices = &g_currentBufferIndex; present.pWaitSemaphores = nullptr; present.waitSemaphoreCount = 0; present.pResults = nullptr; result = vkQueuePresentKHR(g_VulkanQueue, &present); checkVulkanError(result, TEXT("プレゼント失敗")); } else if(result == VK_TIMEOUT) { checkVulkanError(VK_TIMEOUT, TEXT("タイムアウトしました")); } // フェンスをリセット result = vkResetFences(g_VulkanDevice, 1, &g_VulkanFence); checkVulkanError(result, TEXT("フェンスのリセット失敗")); // 次のイメージを取得 result = vkAcquireNextImageKHR( g_VulkanDevice, g_VulkanSwapChain, TIMEOUT_NANO_SEC, g_VulkanSemahoreRenderComplete, nullptr, &g_currentBufferIndex); checkVulkanError(result, TEXT("次の有効なイメージインデックスの獲得に失敗")); }
int sample_main() { VkResult U_ASSERT_ONLY res; char sample_title[] = "MT Cmd Buffer Sample"; const bool depthPresent = false; init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &info.presentCompleteSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, info.presentCompleteSemaphore, NULL, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {}; pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; pPipelineLayoutCreateInfo.pNext = NULL; pPipelineLayoutCreateInfo.pushConstantRangeCount = 0; pPipelineLayoutCreateInfo.pPushConstantRanges = NULL; pPipelineLayoutCreateInfo.setLayoutCount = 0; pPipelineLayoutCreateInfo.pSetLayouts = NULL; res = vkCreatePipelineLayout(info.device, &pPipelineLayoutCreateInfo, NULL, &info.pipeline_layout); assert(res == VK_SUCCESS); init_renderpass( info, depthPresent, false); // Can't clear in renderpass load because we re-use pipeline init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, depthPresent); /* The binding and attributes should be the same for all 3 vertex buffers, * so init here */ info.vi_binding.binding = 0; info.vi_binding.inputRate = VK_VERTEX_INPUT_RATE_VERTEX; info.vi_binding.stride = sizeof(triData[0]); info.vi_attribs[0].binding = 0; info.vi_attribs[0].location = 0; info.vi_attribs[0].format = VK_FORMAT_R32G32B32A32_SFLOAT; info.vi_attribs[0].offset = 0; info.vi_attribs[1].binding = 0; info.vi_attribs[1].location = 1; info.vi_attribs[1].format = VK_FORMAT_R32G32B32A32_SFLOAT; info.vi_attribs[1].offset = 16; init_pipeline_cache(info); init_pipeline(info, depthPresent); VkImageSubresourceRange srRange = {}; srRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; srRange.baseMipLevel = 0; srRange.levelCount = VK_REMAINING_MIP_LEVELS; srRange.baseArrayLayer = 0; srRange.layerCount = VK_REMAINING_ARRAY_LAYERS; VkClearColorValue clear_color[1]; clear_color[0].float32[0] = 0.2f; clear_color[0].float32[1] = 0.2f; clear_color[0].float32[2] = 0.2f; clear_color[0].float32[3] = 0.2f; /* We need to do the clear here instead of as a load op since all 3 threads * share the same pipeline / renderpass */ set_image_layout(info, info.buffers[info.current_buffer].image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL); vkCmdClearColorImage(info.cmd, info.buffers[info.current_buffer].image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, clear_color, 1, &srRange); set_image_layout(info, info.buffers[info.current_buffer].image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); res = vkEndCommandBuffer(info.cmd); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFence clearFence; init_fence(info, clearFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &info.presentCompleteSemaphore; submit_info[0].pWaitDstStageMask = NULL; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, submit_info, clearFence); assert(!res); do { res = vkWaitForFences(info.device, 1, &clearFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); vkDestroyFence(info.device, clearFence, NULL); /* VULKAN_KEY_START */ /* Use the fourth slot in the command buffer array for the presentation */ /* barrier using the command buffer in info */ threadCmdBufs[3] = info.cmd; sample_platform_thread vk_threads[3]; for (size_t i = 0; i < 3; i++) { sample_platform_thread_create(&vk_threads[i], &per_thread_code, (void *)i); } VkCommandBufferBeginInfo cmd_buf_info = {}; cmd_buf_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; cmd_buf_info.pNext = NULL; cmd_buf_info.flags = 0; cmd_buf_info.pInheritanceInfo = NULL; res = vkBeginCommandBuffer(threadCmdBufs[3], &cmd_buf_info); assert(res == VK_SUCCESS); VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; prePresentBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(threadCmdBufs[3], VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(threadCmdBufs[3]); assert(res == VK_SUCCESS); pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 0; submit_info[0].pWaitSemaphores = NULL; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].commandBufferCount = 4; /* 3 from threads + prePresentBarrier */ submit_info[0].pCommandBuffers = threadCmdBufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Wait for all of the threads to finish */ for (int i = 0; i < 3; i++) { sample_platform_thread_join(vk_threads[i], NULL); } VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, submit_info, drawFence); assert(!res); /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); execute_present_image(info); wait_seconds(1); /* VULKAN_KEY_END */ vkDestroyBuffer(info.device, vertex_buffer[0].buf, NULL); vkDestroyBuffer(info.device, vertex_buffer[1].buf, NULL); vkDestroyBuffer(info.device, vertex_buffer[2].buf, NULL); vkFreeMemory(info.device, vertex_buffer[0].mem, NULL); vkFreeMemory(info.device, vertex_buffer[1].mem, NULL); vkFreeMemory(info.device, vertex_buffer[2].mem, NULL); for (int i = 0; i < 3; i++) { vkFreeCommandBuffers(info.device, threadCmdPools[i], 1, &threadCmdBufs[i]); vkDestroyCommandPool(info.device, threadCmdPools[i], NULL); } vkDestroySemaphore(info.device, info.presentCompleteSemaphore, NULL); vkDestroyFence(info.device, drawFence, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); vkDestroyPipelineLayout(info.device, info.pipeline_layout, NULL); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_window(info); destroy_device(info); destroy_instance(info); return 0; }
int sample_main(int argc, char **argv) { VkResult U_ASSERT_ONLY res; struct sample_info info = {}; char sample_title[] = "Memory Barriers"; process_command_line_args(info, argc, argv); init_global_layer_properties(info); info.instance_extension_names.push_back(VK_KHR_SURFACE_EXTENSION_NAME); #ifdef _WIN32 info.instance_extension_names.push_back(VK_KHR_WIN32_SURFACE_EXTENSION_NAME); #elif __ANDROID__ info.instance_extension_names.push_back(VK_KHR_ANDROID_SURFACE_EXTENSION_NAME); #else info.instance_extension_names.push_back(VK_KHR_XCB_SURFACE_EXTENSION_NAME); #endif info.device_extension_names.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME); init_instance(info, sample_title); init_enumerate_device(info); init_device(info); info.width = info.height = 500; init_connection(info); init_window(info); init_swapchain_extension(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info, VK_IMAGE_USAGE_TRANSFER_DST_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT); // CmdClearColorImage is going to require usage of TRANSFER_DST, but // it's not clear which format feature maps to the required TRANSFER_DST usage, // BLIT_DST is a reasonable guess and it seems to work init_texture(info, nullptr, VK_IMAGE_USAGE_TRANSFER_DST_BIT, VK_FORMAT_FEATURE_BLIT_DST_BIT); init_uniform_buffer(info); init_descriptor_and_pipeline_layouts(info, true); init_renderpass(info, DEPTH_PRESENT, false, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, DEPTH_PRESENT); init_vertex_buffer(info, vb_Data, sizeof(vb_Data), sizeof(vb_Data[0]), true); init_descriptor_pool(info, true); init_descriptor_set(info, true); init_pipeline_cache(info); init_pipeline(info, DEPTH_PRESENT); /* VULKAN_KEY_START */ VkImageSubresourceRange srRange = {}; srRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; srRange.baseMipLevel = 0; srRange.levelCount = VK_REMAINING_MIP_LEVELS; srRange.baseArrayLayer = 0; srRange.layerCount = VK_REMAINING_ARRAY_LAYERS; VkClearColorValue clear_color[1]; clear_color[0].float32[0] = 0.2f; clear_color[0].float32[1] = 0.2f; clear_color[0].float32[2] = 0.2f; clear_color[0].float32[3] = 0.2f; VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &info.imageAcquiredSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, info.imageAcquiredSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); set_image_layout(info, info.buffers[info.current_buffer].image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT); // We need to do the clear here instead of using a renderpass load op since // we will use the same renderpass multiple times in the frame vkCmdClearColorImage(info.cmd, info.buffers[info.current_buffer].image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, clear_color, 1, &srRange); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 0; rp_begin.pClearValues = NULL; // Draw a textured quad on the left side of the window vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); const VkDeviceSize offsets[1] = {0}; vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, offsets); init_viewports(info); init_scissors(info); vkCmdDraw(info.cmd, 2 * 3, 1, 0, 0); // We can't do a clear inside a renderpass, so end this one and start another one // for the next draw vkCmdEndRenderPass(info.cmd); // Send a barrier to change the texture image's layout from SHADER_READ_ONLY // to COLOR_ATTACHMENT_GENERAL because we're going to clear it VkImageMemoryBarrier textureBarrier = {}; textureBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; textureBarrier.pNext = NULL; textureBarrier.srcAccessMask = VK_ACCESS_SHADER_READ_BIT; textureBarrier.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; textureBarrier.oldLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; textureBarrier.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; textureBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; textureBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; textureBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; textureBarrier.subresourceRange.baseMipLevel = 0; textureBarrier.subresourceRange.levelCount = 1; textureBarrier.subresourceRange.baseArrayLayer = 0; textureBarrier.subresourceRange.layerCount = 1; textureBarrier.image = info.textures[0].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0, 0, NULL, 0, NULL, 1, &textureBarrier); clear_color[0].float32[0] = 0.0f; clear_color[0].float32[1] = 1.0f; clear_color[0].float32[2] = 0.0f; clear_color[0].float32[3] = 1.0f; /* Clear texture to green */ vkCmdClearColorImage(info.cmd, info.textures[0].image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, clear_color, 1, &srRange); // Send a barrier to change the texture image's layout back to SHADER_READ_ONLY // because we're going to use it as a texture again textureBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; textureBarrier.pNext = NULL; textureBarrier.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT; textureBarrier.dstAccessMask = VK_ACCESS_SHADER_READ_BIT; textureBarrier.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL; textureBarrier.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL; textureBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; textureBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; textureBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; textureBarrier.subresourceRange.baseMipLevel = 0; textureBarrier.subresourceRange.levelCount = 1; textureBarrier.subresourceRange.baseArrayLayer = 0; textureBarrier.subresourceRange.layerCount = 1; textureBarrier.image = info.textures[0].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0, 0, NULL, 0, NULL, 1, &textureBarrier); // Draw the second quad to the right using the (now) green texture vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); // Draw starting with vertex index 6 to draw to the right of the first quad vkCmdDraw(info.cmd, 2 * 3, 1, 6, 0); vkCmdEndRenderPass(info.cmd); // Change the present buffer from COLOR_ATTACHMENT_OPTIMAL to // PRESENT_SOURCE_KHR // so it can be presented execute_pre_present_barrier(info); res = vkEndCommandBuffer(info.cmd); assert(res == VK_SUCCESS); VkSubmitInfo submit_info = {}; VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; init_submit_info(info, submit_info, pipe_stage_flags); assert(res == VK_SUCCESS); VkFence drawFence = {}; init_fence(info, drawFence); // Queue the command buffer for execution res = vkQueueSubmit(info.graphics_queue, 1, &submit_info, drawFence); assert(res == VK_SUCCESS); // Now present the image in the window VkPresentInfoKHR present{}; init_present_info(info, present); // Make sure command buffer is finished before presenting do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.present_queue, &present); assert(res == VK_SUCCESS); /* VULKAN_KEY_END */ wait_seconds(1); if (info.save_images) write_ppm(info, "memory_barriers"); vkDestroySemaphore(info.device, info.imageAcquiredSemaphore, NULL); vkDestroyFence(info.device, drawFence, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_textures(info); destroy_descriptor_pool(info); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_uniform_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_window(info); destroy_device(info); destroy_instance(info); return 0; }
/** * Sample using multiple render passes per framebuffer (different x,y extents) * and multiple subpasses per renderpass. */ int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; struct sample_info info = {}; char sample_title[] = "Multi-pass render passes"; const bool depthPresent = true; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); info.depth.format = VK_FORMAT_D32_SFLOAT_S8_UINT; init_depth_buffer(info); init_uniform_buffer(info); init_descriptor_and_pipeline_layouts(info, false); init_vertex_buffer(info, g_vb_solid_face_colors_Data, sizeof(g_vb_solid_face_colors_Data), sizeof(g_vb_solid_face_colors_Data[0]), false); init_descriptor_pool(info, false); init_descriptor_set(info, false); init_pipeline_cache(info); /* VULKAN_KEY_START */ /** * First renderpass in this sample. * Stenciled rendering: subpass 1 draw to stencil buffer, subpass 2 draw to * color buffer with stencil test */ VkAttachmentDescription attachments[2]; attachments[0].format = info.format; attachments[0].samples = VK_SAMPLE_COUNT_1_BIT; attachments[0].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; attachments[0].storeOp = VK_ATTACHMENT_STORE_OP_STORE; attachments[0].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE; attachments[0].stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE; attachments[0].initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; attachments[0].finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; attachments[0].flags = 0; attachments[1].format = info.depth.format; attachments[1].samples = VK_SAMPLE_COUNT_1_BIT; attachments[1].loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; attachments[1].storeOp = VK_ATTACHMENT_STORE_OP_STORE; attachments[1].stencilLoadOp = VK_ATTACHMENT_LOAD_OP_CLEAR; attachments[1].stencilStoreOp = VK_ATTACHMENT_STORE_OP_STORE; attachments[1].initialLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; attachments[1].finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; attachments[1].flags = 0; VkAttachmentReference color_reference = {}; color_reference.attachment = 0; color_reference.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; VkAttachmentReference depth_reference = {}; depth_reference.attachment = 1; depth_reference.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL; VkSubpassDescription subpass = {}; subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS; subpass.flags = 0; subpass.inputAttachmentCount = 0; subpass.pInputAttachments = NULL; subpass.colorAttachmentCount = 0; subpass.pColorAttachments = NULL; subpass.pResolveAttachments = NULL; subpass.pDepthStencilAttachment = &depth_reference; subpass.preserveAttachmentCount = 0; subpass.pPreserveAttachments = NULL; std::vector<VkSubpassDescription> subpasses; /* first a depthstencil-only subpass */ subpasses.push_back(subpass); subpass.colorAttachmentCount = 1; subpass.pColorAttachments = &color_reference; /* then depthstencil and color */ subpasses.push_back(subpass); /* Set up a dependency between the source and destination subpasses */ VkSubpassDependency dependency = {}; dependency.srcSubpass = 0; dependency.dstSubpass = 1; dependency.dependencyFlags = 0; dependency.srcStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT; dependency.dstStageMask = VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT; dependency.dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT; dependency.srcAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_READ_BIT; VkRenderPassCreateInfo rp_info = {}; rp_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO; rp_info.pNext = NULL; rp_info.attachmentCount = 2; rp_info.pAttachments = attachments; rp_info.subpassCount = subpasses.size(); rp_info.pSubpasses = subpasses.data(); rp_info.dependencyCount = 1; rp_info.pDependencies = &dependency; VkRenderPass stencil_render_pass; res = vkCreateRenderPass(info.device, &rp_info, NULL, &stencil_render_pass); assert(!res); /* now that we have the render pass, create framebuffer and pipelines */ info.render_pass = stencil_render_pass; init_framebuffers(info, depthPresent); VkDynamicState dynamicStateEnables[VK_DYNAMIC_STATE_RANGE_SIZE]; VkPipelineDynamicStateCreateInfo dynamicState = {}; memset(dynamicStateEnables, 0, sizeof dynamicStateEnables); dynamicState.sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; dynamicState.pNext = NULL; dynamicState.pDynamicStates = dynamicStateEnables; dynamicState.dynamicStateCount = 0; VkPipelineVertexInputStateCreateInfo vi; vi.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; vi.pNext = NULL; vi.vertexBindingDescriptionCount = 1; vi.pVertexBindingDescriptions = &info.vi_binding; vi.vertexAttributeDescriptionCount = 2; vi.pVertexAttributeDescriptions = info.vi_attribs; VkPipelineInputAssemblyStateCreateInfo ia; ia.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; ia.pNext = NULL; ia.primitiveRestartEnable = VK_FALSE; ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; VkPipelineRasterizationStateCreateInfo rs; rs.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; rs.pNext = NULL; rs.polygonMode = VK_POLYGON_MODE_FILL; rs.cullMode = VK_CULL_MODE_BACK_BIT; rs.frontFace = VK_FRONT_FACE_CLOCKWISE; rs.depthClampEnable = VK_FALSE; rs.rasterizerDiscardEnable = VK_FALSE; rs.depthBiasEnable = VK_FALSE; rs.depthBiasConstantFactor = 0; rs.depthBiasClamp = 0; rs.depthBiasSlopeFactor = 0; rs.lineWidth = 0; VkPipelineColorBlendStateCreateInfo cb; cb.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; cb.pNext = NULL; VkPipelineColorBlendAttachmentState att_state[1]; att_state[0].colorWriteMask = 0xf; att_state[0].blendEnable = VK_FALSE; att_state[0].alphaBlendOp = VK_BLEND_OP_ADD; att_state[0].colorBlendOp = VK_BLEND_OP_ADD; att_state[0].srcColorBlendFactor = VK_BLEND_FACTOR_ZERO; att_state[0].dstColorBlendFactor = VK_BLEND_FACTOR_ZERO; att_state[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; att_state[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO; cb.attachmentCount = 1; cb.pAttachments = att_state; cb.logicOpEnable = VK_FALSE; cb.logicOp = VK_LOGIC_OP_NO_OP; cb.blendConstants[0] = 1.0f; cb.blendConstants[1] = 1.0f; cb.blendConstants[2] = 1.0f; cb.blendConstants[3] = 1.0f; VkPipelineViewportStateCreateInfo vp = {}; vp.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; vp.pNext = NULL; vp.viewportCount = NUM_VIEWPORTS; dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_VIEWPORT; vp.scissorCount = NUM_SCISSORS; dynamicStateEnables[dynamicState.dynamicStateCount++] = VK_DYNAMIC_STATE_SCISSOR; VkPipelineDepthStencilStateCreateInfo ds; ds.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; ds.pNext = NULL; ds.depthTestEnable = VK_TRUE; ds.depthWriteEnable = VK_TRUE; ds.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL; ds.depthBoundsTestEnable = VK_FALSE; ds.minDepthBounds = 0; ds.maxDepthBounds = 0; ds.stencilTestEnable = VK_TRUE; ds.back.failOp = VK_STENCIL_OP_REPLACE; ds.back.depthFailOp = VK_STENCIL_OP_REPLACE; ds.back.passOp = VK_STENCIL_OP_REPLACE; ds.back.compareOp = VK_COMPARE_OP_ALWAYS; ds.back.compareMask = 0xff; ds.back.writeMask = 0xff; ds.back.reference = 0x44; ds.front = ds.back; VkPipelineMultisampleStateCreateInfo ms; ms.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; ms.pNext = NULL; ms.pSampleMask = NULL; ms.rasterizationSamples = NUM_SAMPLES; ms.sampleShadingEnable = VK_FALSE; ms.minSampleShading = 0.0; ms.alphaToCoverageEnable = VK_FALSE; ms.alphaToOneEnable = VK_FALSE; VkGraphicsPipelineCreateInfo pipeline; pipeline.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; pipeline.pNext = NULL; pipeline.layout = info.pipeline_layout; pipeline.basePipelineHandle = VK_NULL_HANDLE; pipeline.basePipelineIndex = 0; pipeline.flags = 0; pipeline.pVertexInputState = &vi; pipeline.pInputAssemblyState = &ia; pipeline.pRasterizationState = &rs; pipeline.pColorBlendState = NULL; pipeline.pTessellationState = NULL; pipeline.pMultisampleState = &ms; pipeline.pDynamicState = &dynamicState; pipeline.pViewportState = &vp; pipeline.pDepthStencilState = &ds; pipeline.pStages = info.shaderStages; pipeline.stageCount = 2; pipeline.renderPass = stencil_render_pass; pipeline.subpass = 0; init_shaders(info, normalVertShaderText, fragShaderText); /* The first pipeline will render in subpass 0 to fill the stencil */ pipeline.subpass = 0; VkPipeline stencil_cube_pipe = VK_NULL_HANDLE; res = vkCreateGraphicsPipelines(info.device, info.pipelineCache, 1, &pipeline, NULL, &stencil_cube_pipe); assert(res == VK_SUCCESS); /* destroy the shaders used for the above pipelin eand replace them with those for the fullscreen fill pass */ destroy_shaders(info); init_shaders(info, fullscreenVertShaderText, fragShaderText); /* the second pipeline will stencil test but not write, using the same * reference */ ds.back.failOp = VK_STENCIL_OP_KEEP; ds.back.depthFailOp = VK_STENCIL_OP_KEEP; ds.back.passOp = VK_STENCIL_OP_KEEP; ds.back.compareOp = VK_COMPARE_OP_EQUAL; ds.front = ds.back; /* don't test depth, only use stencil test */ ds.depthTestEnable = VK_FALSE; /* the second pipeline will be a fullscreen triangle strip, with vertices generated purely from the vertex shader - no inputs needed */ ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP; vi.vertexAttributeDescriptionCount = 0; vi.vertexBindingDescriptionCount = 0; /* this pipeline will run in the second subpass */ pipeline.subpass = 1; pipeline.pColorBlendState = &cb; VkPipeline stencil_fullscreen_pipe = VK_NULL_HANDLE; res = vkCreateGraphicsPipelines(info.device, info.pipelineCache, 1, &pipeline, NULL, &stencil_fullscreen_pipe); assert(res == VK_SUCCESS); destroy_shaders(info); info.pipeline = VK_NULL_HANDLE; VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore presentCompleteSemaphore; VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &presentCompleteSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, presentCompleteSemaphore, NULL, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = stencil_render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width / 2; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; /* Begin the first render pass. This will render in the left half of the screen. Subpass 0 will render a cube, stencil writing but outputting no color. Subpass 1 will render a fullscreen pass, stencil testing and outputting color only where the cube filled in stencil */ vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, stencil_cube_pipe); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); const VkDeviceSize offsets[1] = {0}; vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, offsets); VkViewport viewport; viewport.height = (float)info.height; viewport.width = (float)info.width / 2; viewport.minDepth = (float)0.0f; viewport.maxDepth = (float)1.0f; viewport.x = 0; viewport.y = 0; vkCmdSetViewport(info.cmd, 0, NUM_VIEWPORTS, &viewport); VkRect2D scissor; scissor.extent.width = info.width / 2; scissor.extent.height = info.height; scissor.offset.x = 0; scissor.offset.y = 0; vkCmdSetScissor(info.cmd, 0, NUM_SCISSORS, &scissor); /* Draw the cube into stencil */ vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); /* Advance to the next subpass */ vkCmdNextSubpass(info.cmd, VK_SUBPASS_CONTENTS_INLINE); /* Bind the fullscreen pass pipeline */ vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, stencil_fullscreen_pipe); vkCmdSetViewport(info.cmd, 0, NUM_VIEWPORTS, &viewport); vkCmdSetScissor(info.cmd, 0, NUM_SCISSORS, &scissor); /* Draw the fullscreen pass */ vkCmdDraw(info.cmd, 4, 1, 0, 0); vkCmdEndRenderPass(info.cmd); /** * Second renderpass in this sample. * Blended rendering, each subpass blends continuously onto the color */ /* note that we reuse a lot of the initialisation strutures from the first render pass, so this represents a 'delta' from that configuration */ /* This time, the first subpass will use color */ subpasses[0].colorAttachmentCount = 1; subpasses[0].pColorAttachments = &color_reference; /* The dependency between the subpasses now includes the color attachment */ dependency.srcAccessMask |= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_COLOR_ATTACHMENT_READ_BIT; dependency.dstAccessMask |= VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_COLOR_ATTACHMENT_READ_BIT; /* Otherwise, the render pass is identical */ VkRenderPass blend_render_pass; res = vkCreateRenderPass(info.device, &rp_info, NULL, &blend_render_pass); assert(!res); pipeline.renderPass = blend_render_pass; /* We must recreate the framebuffers with this renderpass as the two render passes are not compatible. Store the current framebuffers for later deletion */ VkFramebuffer *stencil_framebuffers = info.framebuffers; info.framebuffers = NULL; info.render_pass = blend_render_pass; init_framebuffers(info, depthPresent); /* Now create the pipelines for the second render pass */ /* We are rendering the cube again, configure the vertex inputs */ ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; vi.vertexAttributeDescriptionCount = 2; vi.vertexBindingDescriptionCount = 1; /* The first pipeline will depth write and depth test */ ds.depthWriteEnable = VK_TRUE; ds.depthTestEnable = VK_TRUE; /* We don't want to stencil test */ ds.stencilTestEnable = VK_FALSE; /* This time, both pipelines will blend. the first pipeline uses the blend constant to determine the blend amount */ att_state[0].colorWriteMask = 0xf; att_state[0].blendEnable = VK_TRUE; att_state[0].alphaBlendOp = VK_BLEND_OP_ADD; att_state[0].colorBlendOp = VK_BLEND_OP_ADD; att_state[0].srcColorBlendFactor = VK_BLEND_FACTOR_CONSTANT_ALPHA; att_state[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE; att_state[0].srcColorBlendFactor = VK_BLEND_FACTOR_CONSTANT_ALPHA; att_state[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE; cb.blendConstants[0] = 1.0f; cb.blendConstants[1] = 1.0f; cb.blendConstants[2] = 1.0f; cb.blendConstants[3] = 0.3f; init_shaders(info, normalVertShaderText, fragShaderText); /* This is the first subpass's pipeline, to blend a cube onto the color * image */ pipeline.subpass = 0; VkPipeline blend_cube_pipe = VK_NULL_HANDLE; res = vkCreateGraphicsPipelines(info.device, info.pipelineCache, 1, &pipeline, NULL, &blend_cube_pipe); assert(res == VK_SUCCESS); /* Now we will set up the fullscreen pass to render on top. */ destroy_shaders(info); init_shaders(info, fullscreenVertShaderText, fragShaderText); /* the second pipeline will be a fullscreen triangle strip with no inputs */ ia.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP; vi.vertexAttributeDescriptionCount = 0; vi.vertexBindingDescriptionCount = 0; /* We'll use the alpha output from the shader */ att_state[0].srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; att_state[0].dstColorBlendFactor = VK_BLEND_FACTOR_ONE; att_state[0].srcAlphaBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA; att_state[0].dstAlphaBlendFactor = VK_BLEND_FACTOR_ONE; /* This renders in the second subpass */ pipeline.subpass = 1; VkPipeline blend_fullscreen_pipe = VK_NULL_HANDLE; res = vkCreateGraphicsPipelines(info.device, info.pipelineCache, 1, &pipeline, NULL, &blend_fullscreen_pipe); assert(res == VK_SUCCESS); destroy_shaders(info); info.pipeline = VK_NULL_HANDLE; /* Now we are going to render in the right half of the screen */ viewport.x = (float)info.width / 2; scissor.offset.x = info.width / 2; rp_begin.renderArea.offset.x = info.width / 2; /* Use our framebuffer and render pass */ rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderPass = blend_render_pass; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, blend_cube_pipe); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, offsets); vkCmdSetViewport(info.cmd, 0, NUM_VIEWPORTS, &viewport); vkCmdSetScissor(info.cmd, 0, NUM_SCISSORS, &scissor); /* Draw the cube blending */ vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); /* Advance to the next subpass */ vkCmdNextSubpass(info.cmd, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, blend_fullscreen_pipe); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); /* Adjust the viewport to be a square in the centre, just overlapping the * cube */ viewport.x += 25.0f; viewport.y += 150.0f; viewport.width -= 50.0f; viewport.height -= 300.0f; vkCmdSetViewport(info.cmd, 0, NUM_VIEWPORTS, &viewport); vkCmdSetScissor(info.cmd, 0, NUM_SCISSORS, &scissor); vkCmdDraw(info.cmd, 4, 1, 0, 0); /* The second renderpass is complete */ vkCmdEndRenderPass(info.cmd); /* VULKAN_KEY_END */ VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; prePresentBarrier.dstAccessMask = 0; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(info.cmd); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &presentCompleteSemaphore; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, submit_info, drawFence); assert(res == VK_SUCCESS); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); /* VULKAN_KEY_END */ if (info.save_images) write_ppm(info, "drawsubpasses"); for (uint32_t i = 0; i < info.swapchainImageCount; i++) vkDestroyFramebuffer(info.device, stencil_framebuffers[i], NULL); free(stencil_framebuffers); vkDestroyRenderPass(info.device, stencil_render_pass, NULL); vkDestroyRenderPass(info.device, blend_render_pass, NULL); vkDestroyPipeline(info.device, blend_cube_pipe, NULL); vkDestroyPipeline(info.device, blend_fullscreen_pipe, NULL); vkDestroyPipeline(info.device, stencil_cube_pipe, NULL); vkDestroyPipeline(info.device, stencil_fullscreen_pipe, NULL); vkDestroySemaphore(info.device, presentCompleteSemaphore, NULL); vkDestroyFence(info.device, drawFence, NULL); destroy_pipeline_cache(info); destroy_descriptor_pool(info); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_descriptor_and_pipeline_layouts(info); destroy_uniform_buffer(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
std::tuple<VkResult, uint32_t> acquire_next_image(swapchain_type &swapchain, std::chrono::nanoseconds timeout, const semaphore::semaphore_type &semaphore) { uint32_t image_index; const VkResult result(vkAcquireNextImageKHR(internal::get_instance(*internal::get_parent(swapchain)), internal::get_instance(swapchain), timeout.count(), internal::get_instance(semaphore), VK_NULL_HANDLE, &image_index)); return std::make_tuple(result, image_index); }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; bool U_ASSERT_ONLY pass; struct sample_info info = {}; char sample_title[] = "Vertex Buffer Sample"; const bool depthPresent = true; init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); init_depth_buffer(info); init_renderpass(info, depthPresent); init_framebuffers(info, depthPresent); /* VULKAN_KEY_START */ /* * Set up a vertex buffer: * - Create a buffer * - Map it and write the vertex data into it * - Bind it using vkCmdBindVertexBuffers * - Later, at pipeline creation, * - fill in vertex input part of the pipeline with relevent data */ VkBufferCreateInfo buf_info = {}; buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; buf_info.pNext = NULL; buf_info.usage = VK_BUFFER_USAGE_VERTEX_BUFFER_BIT; buf_info.size = sizeof(g_vb_solid_face_colors_Data); buf_info.queueFamilyIndexCount = 0; buf_info.pQueueFamilyIndices = NULL; buf_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; buf_info.flags = 0; res = vkCreateBuffer(info.device, &buf_info, NULL, &info.vertex_buffer.buf); assert(res == VK_SUCCESS); VkMemoryRequirements mem_reqs; vkGetBufferMemoryRequirements(info.device, info.vertex_buffer.buf, &mem_reqs); VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.pNext = NULL; alloc_info.memoryTypeIndex = 0; alloc_info.allocationSize = mem_reqs.size; pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, &alloc_info.memoryTypeIndex); assert(pass && "No mappable, coherent memory"); res = vkAllocateMemory(info.device, &alloc_info, NULL, &(info.vertex_buffer.mem)); assert(res == VK_SUCCESS); uint8_t *pData; res = vkMapMemory(info.device, info.vertex_buffer.mem, 0, mem_reqs.size, 0, (void **)&pData); assert(res == VK_SUCCESS); memcpy(pData, g_vb_solid_face_colors_Data, sizeof(g_vb_solid_face_colors_Data)); vkUnmapMemory(info.device, info.vertex_buffer.mem); res = vkBindBufferMemory(info.device, info.vertex_buffer.buf, info.vertex_buffer.mem, 0); assert(res == VK_SUCCESS); /* We won't use these here, but we will need this info when creating the * pipeline */ info.vi_binding.binding = 0; info.vi_binding.inputRate = VK_VERTEX_INPUT_RATE_VERTEX; info.vi_binding.stride = sizeof(g_vb_solid_face_colors_Data[0]); info.vi_attribs[0].binding = 0; info.vi_attribs[0].location = 0; info.vi_attribs[0].format = VK_FORMAT_R32G32B32A32_SFLOAT; info.vi_attribs[0].offset = 0; info.vi_attribs[1].binding = 0; info.vi_attribs[1].location = 1; info.vi_attribs[1].format = VK_FORMAT_R32G32B32A32_SFLOAT; info.vi_attribs[1].offset = 16; const VkDeviceSize offsets[1] = {0}; /* We cannot bind the vertex buffer until we begin a renderpass */ VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore imageAcquiredSemaphore; VkSemaphoreCreateInfo imageAcquiredSemaphoreCreateInfo; imageAcquiredSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; imageAcquiredSemaphoreCreateInfo.pNext = NULL; imageAcquiredSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &imageAcquiredSemaphoreCreateInfo, NULL, &imageAcquiredSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, imageAcquiredSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkRenderPassBeginInfo rp_begin = {}; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindVertexBuffers(info.cmd, 0, /* Start Binding */ 1, /* Binding Count */ &info.vertex_buffer.buf, /* pBuffers */ offsets); /* pOffsets */ vkCmdEndRenderPass(info.cmd); execute_end_command_buffer(info); execute_queue_command_buffer(info); /* VULKAN_KEY_END */ vkDestroySemaphore(info.device, imageAcquiredSemaphore, NULL); vkDestroyBuffer(info.device, info.vertex_buffer.buf, NULL); vkFreeMemory(info.device, info.vertex_buffer.mem, NULL); destroy_framebuffers(info); destroy_renderpass(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
void VkContext::StartFrame() { // Acquire next image CheckVkResult(vkAcquireNextImageKHR(dev, swapchain, UINT64_MAX, acquireCompleteSemaphore, VK_NULL_HANDLE, ¤tImage)); }
int main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; bool U_ASSERT_ONLY pass; struct sample_info info = {}; char sample_title[] = "Draw Cube"; process_command_line_args(info, argc, argv); init_global_layer_properties(info); info.instance_extension_names.push_back(VK_KHR_SURFACE_EXTENSION_NAME); #ifdef _WIN32 info.instance_extension_names.push_back( VK_KHR_WIN32_SURFACE_EXTENSION_NAME); #else info.instance_extension_names.push_back(VK_KHR_XCB_SURFACE_EXTENSION_NAME); #endif info.device_extension_names.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); init_depth_buffer(info); init_uniform_buffer(info); init_descriptor_and_pipeline_layouts(info, false); init_renderpass(info, DEPTH_PRESENT); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, DEPTH_PRESENT); init_vertex_buffer(info, g_vb_solid_face_colors_Data, sizeof(g_vb_solid_face_colors_Data), sizeof(g_vb_solid_face_colors_Data[0]), false); init_descriptor_pool(info, false); init_descriptor_set(info, false); init_pipeline_cache(info); init_pipeline(info, DEPTH_PRESENT); /* VULKAN_KEY_START */ VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore presentCompleteSemaphore; VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &presentCompleteSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, presentCompleteSemaphore, NULL, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); /* Allocate a uniform buffer that will take query results. */ VkBuffer query_result_buf; VkDeviceMemory query_result_mem; VkBufferCreateInfo buf_info = {}; buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; buf_info.pNext = NULL; buf_info.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; buf_info.size = 4 * sizeof(uint64_t); buf_info.queueFamilyIndexCount = 0; buf_info.pQueueFamilyIndices = NULL; buf_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; buf_info.flags = 0; res = vkCreateBuffer(info.device, &buf_info, NULL, &query_result_buf); assert(res == VK_SUCCESS); VkMemoryRequirements mem_reqs; vkGetBufferMemoryRequirements(info.device, query_result_buf, &mem_reqs); VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.pNext = NULL; alloc_info.memoryTypeIndex = 0; alloc_info.allocationSize = mem_reqs.size; pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &alloc_info.memoryTypeIndex); assert(pass); res = vkAllocateMemory(info.device, &alloc_info, NULL, &query_result_mem); assert(res == VK_SUCCESS); res = vkBindBufferMemory(info.device, query_result_buf, query_result_mem, 0); assert(res == VK_SUCCESS); VkQueryPool query_pool; VkQueryPoolCreateInfo query_pool_info; query_pool_info.sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO; query_pool_info.pNext = NULL; query_pool_info.queryType = VK_QUERY_TYPE_OCCLUSION; query_pool_info.flags = 0; query_pool_info.queryCount = 2; query_pool_info.pipelineStatistics = 0; res = vkCreateQueryPool(info.device, &query_pool_info, NULL, &query_pool); assert(res == VK_SUCCESS); vkCmdResetQueryPool(info.cmd, query_pool, 0 /*startQuery*/, 2 /*queryCount*/); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); const VkDeviceSize offsets[1] = {0}; vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, offsets); VkViewport viewport; viewport.height = (float)info.height; viewport.width = (float)info.width; viewport.minDepth = (float)0.0f; viewport.maxDepth = (float)1.0f; viewport.x = 0; viewport.y = 0; vkCmdSetViewport(info.cmd, 0, NUM_VIEWPORTS, &viewport); VkRect2D scissor; scissor.extent.width = info.width; scissor.extent.height = info.height; scissor.offset.x = 0; scissor.offset.y = 0; vkCmdSetScissor(info.cmd, 0, NUM_SCISSORS, &scissor); vkCmdBeginQuery(info.cmd, query_pool, 0 /*slot*/, 0 /*flags*/); vkCmdEndQuery(info.cmd, query_pool, 0 /*slot*/); vkCmdBeginQuery(info.cmd, query_pool, 1 /*slot*/, 0 /*flags*/); vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); vkCmdEndRenderPass(info.cmd); vkCmdEndQuery(info.cmd, query_pool, 1 /*slot*/); vkCmdCopyQueryPoolResults( info.cmd, query_pool, 0 /*firstQuery*/, 2 /*queryCount*/, query_result_buf, 0 /*dstOffset*/, sizeof(uint64_t) /*stride*/, VK_QUERY_RESULT_64_BIT | VK_QUERY_RESULT_WAIT_BIT); VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; prePresentBarrier.dstAccessMask = 0; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(info.cmd); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &presentCompleteSemaphore; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, submit_info, drawFence); assert(res == VK_SUCCESS); res = vkQueueWaitIdle(info.queue); assert(res == VK_SUCCESS); uint64_t samples_passed[4]; samples_passed[0] = 0; samples_passed[1] = 0; res = vkGetQueryPoolResults( info.device, query_pool, 0 /*firstQuery*/, 2 /*queryCount*/, sizeof(samples_passed) /*dataSize*/, samples_passed, sizeof(uint64_t) /*stride*/, VK_QUERY_RESULT_64_BIT | VK_QUERY_RESULT_WAIT_BIT); assert(res == VK_SUCCESS); std::cout << "vkGetQueryPoolResults data" << "\n"; std::cout << "samples_passed[0] = " << samples_passed[0] << "\n"; std::cout << "samples_passed[1] = " << samples_passed[1] << "\n"; /* Read back query result from buffer */ uint64_t *samples_passed_ptr; res = vkMapMemory(info.device, query_result_mem, 0, mem_reqs.size, 0, (void **)&samples_passed_ptr); assert(res == VK_SUCCESS); std::cout << "vkCmdCopyQueryPoolResults data" << "\n"; std::cout << "samples_passed[0] = " << samples_passed_ptr[0] << "\n"; std::cout << "samples_passed[1] = " << samples_passed_ptr[1] << "\n"; vkUnmapMemory(info.device, query_result_mem); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); /* VULKAN_KEY_END */ if (info.save_images) write_ppm(info, "occlusion_query"); vkDestroyBuffer(info.device, query_result_buf, NULL); vkFreeMemory(info.device, query_result_mem, NULL); vkDestroySemaphore(info.device, presentCompleteSemaphore, NULL); vkDestroyQueryPool(info.device, query_pool, NULL); vkDestroyFence(info.device, drawFence, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_descriptor_pool(info); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_uniform_buffer(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; bool U_ASSERT_ONLY pass; struct sample_info info = {}; char sample_title[] = "Draw Cube"; const bool depthPresent = true; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); if (info.gpu_props.limits.maxDescriptorSetUniformBuffersDynamic < 1) { std::cout << "No dynamic uniform buffers supported\n"; exit(-1); } init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); init_depth_buffer(info); init_renderpass(info, depthPresent); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, depthPresent); init_vertex_buffer(info, g_vb_solid_face_colors_Data, sizeof(g_vb_solid_face_colors_Data), sizeof(g_vb_solid_face_colors_Data[0]), false); /* Set up uniform buffer with 2 transform matrices in it */ info.Projection = glm::perspective(glm::radians(45.0f), 1.0f, 0.1f, 100.0f); info.View = glm::lookAt( glm::vec3(0, 3, 10), // Camera is at (0,3,10), in World Space glm::vec3(0, 0, 0), // and looks at the origin glm::vec3(0, -1, 0) // Head is up (set to 0,-1,0 to look upside-down) ); info.Model = glm::mat4(1.0f); // Vulkan clip space has inverted Y and half Z. info.Clip = glm::mat4(1.0f, 0.0f, 0.0f, 0.0f, 0.0f, -1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.5f, 0.0f, 0.0f, 0.0f, 0.5f, 1.0f); info.MVP = info.Clip * info.Projection * info.View * info.Model; /* VULKAN_KEY_START */ info.Model = glm::translate(info.Model, glm::vec3(1.5, 1.5, 1.5)); glm::mat4 MVP2 = info.Clip * info.Projection * info.View * info.Model; VkDeviceSize buf_size = sizeof(info.MVP); if (info.gpu_props.limits.minUniformBufferOffsetAlignment) buf_size = (buf_size + info.gpu_props.limits.minUniformBufferOffsetAlignment - 1) & ~(info.gpu_props.limits.minUniformBufferOffsetAlignment - 1); VkBufferCreateInfo buf_info = {}; buf_info.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO; buf_info.pNext = NULL; buf_info.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT; buf_info.size = 2 * buf_size; buf_info.queueFamilyIndexCount = 0; buf_info.pQueueFamilyIndices = NULL; buf_info.sharingMode = VK_SHARING_MODE_EXCLUSIVE; buf_info.flags = 0; res = vkCreateBuffer(info.device, &buf_info, NULL, &info.uniform_data.buf); assert(res == VK_SUCCESS); VkMemoryRequirements mem_reqs; vkGetBufferMemoryRequirements(info.device, info.uniform_data.buf, &mem_reqs); VkMemoryAllocateInfo alloc_info = {}; alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO; alloc_info.pNext = NULL; alloc_info.memoryTypeIndex = 0; alloc_info.allocationSize = mem_reqs.size; pass = memory_type_from_properties(info, mem_reqs.memoryTypeBits, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT, &alloc_info.memoryTypeIndex); assert(pass); res = vkAllocateMemory(info.device, &alloc_info, NULL, &(info.uniform_data.mem)); assert(res == VK_SUCCESS); /* Map the buffer memory and copy both matrices */ uint8_t *pData; res = vkMapMemory(info.device, info.uniform_data.mem, 0, mem_reqs.size, 0, (void **)&pData); assert(res == VK_SUCCESS); memcpy(pData, &info.MVP, sizeof(info.MVP)); pData += buf_size; memcpy(pData, &MVP2, sizeof(MVP2)); vkUnmapMemory(info.device, info.uniform_data.mem); res = vkBindBufferMemory(info.device, info.uniform_data.buf, info.uniform_data.mem, 0); assert(res == VK_SUCCESS); info.uniform_data.buffer_info.buffer = info.uniform_data.buf; info.uniform_data.buffer_info.offset = 0; info.uniform_data.buffer_info.range = buf_size; /* Init desciptor and pipeline layouts - descriptor type is * UNIFORM_BUFFER_DYNAMIC */ VkDescriptorSetLayoutBinding layout_bindings[2]; layout_bindings[0].binding = 0; layout_bindings[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC; layout_bindings[0].descriptorCount = 1; layout_bindings[0].stageFlags = VK_SHADER_STAGE_VERTEX_BIT; layout_bindings[0].pImmutableSamplers = NULL; /* Next take layout bindings and use them to create a descriptor set layout */ VkDescriptorSetLayoutCreateInfo descriptor_layout = {}; descriptor_layout.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO; descriptor_layout.pNext = NULL; descriptor_layout.bindingCount = 1; descriptor_layout.pBindings = layout_bindings; info.desc_layout.resize(NUM_DESCRIPTOR_SETS); res = vkCreateDescriptorSetLayout(info.device, &descriptor_layout, NULL, info.desc_layout.data()); assert(res == VK_SUCCESS); /* Now use the descriptor layout to create a pipeline layout */ VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo = {}; pPipelineLayoutCreateInfo.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO; pPipelineLayoutCreateInfo.pNext = NULL; pPipelineLayoutCreateInfo.pushConstantRangeCount = 0; pPipelineLayoutCreateInfo.pPushConstantRanges = NULL; pPipelineLayoutCreateInfo.setLayoutCount = NUM_DESCRIPTOR_SETS; pPipelineLayoutCreateInfo.pSetLayouts = info.desc_layout.data(); res = vkCreatePipelineLayout(info.device, &pPipelineLayoutCreateInfo, NULL, &info.pipeline_layout); assert(res == VK_SUCCESS); /* Create descriptor pool with UNIFOM_BUFFER_DYNAMIC type */ VkDescriptorPoolSize type_count[1]; type_count[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC; type_count[0].descriptorCount = 1; VkDescriptorPoolCreateInfo descriptor_pool = {}; descriptor_pool.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; descriptor_pool.pNext = NULL; descriptor_pool.maxSets = 1; descriptor_pool.poolSizeCount = 1; descriptor_pool.pPoolSizes = type_count; res = vkCreateDescriptorPool(info.device, &descriptor_pool, NULL, &info.desc_pool); assert(res == VK_SUCCESS); VkDescriptorSetAllocateInfo desc_alloc_info[1]; desc_alloc_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; desc_alloc_info[0].pNext = NULL; desc_alloc_info[0].descriptorPool = info.desc_pool; desc_alloc_info[0].descriptorSetCount = NUM_DESCRIPTOR_SETS; desc_alloc_info[0].pSetLayouts = info.desc_layout.data(); /* Allocate descriptor set with UNIFORM_BUFFER_DYNAMIC */ info.desc_set.resize(NUM_DESCRIPTOR_SETS); res = vkAllocateDescriptorSets(info.device, desc_alloc_info, info.desc_set.data()); assert(res == VK_SUCCESS); VkWriteDescriptorSet writes[1]; writes[0] = {}; writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; writes[0].pNext = NULL; writes[0].dstSet = info.desc_set[0]; writes[0].descriptorCount = 1; writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC; writes[0].pBufferInfo = &info.uniform_data.buffer_info; writes[0].dstArrayElement = 0; writes[0].dstBinding = 0; vkUpdateDescriptorSets(info.device, 1, writes, 0, NULL); init_pipeline_cache(info); init_pipeline(info, depthPresent); VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore presentCompleteSemaphore; VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &presentCompleteSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, presentCompleteSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); /* The first draw should use the first matrix in the buffer */ uint32_t uni_offsets[1] = {0}; vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 1, uni_offsets); const VkDeviceSize vtx_offsets[1] = {0}; vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, vtx_offsets); init_viewports(info); init_scissors(info); vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); uni_offsets[0] = (uint32_t)buf_size; /* The second draw should use the second matrix in the buffer */ vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 1, uni_offsets); vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); vkCmdEndRenderPass(info.cmd); VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; prePresentBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(info.cmd); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &presentCompleteSemaphore; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, submit_info, drawFence); assert(res == VK_SUCCESS); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); /* VULKAN_KEY_END */ if (info.save_images) write_ppm(info, "dynamicuniform"); vkDestroySemaphore(info.device, presentCompleteSemaphore, NULL); vkDestroyFence(info.device, drawFence, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_descriptor_pool(info); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_uniform_buffer(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
void createSwapChainAndImages(VulkanContext& context, VulkanSurfaceContext& surfaceContext) { // Pick an image count and format. According to section 30.5 of VK 1.1, maxImageCount of zero // apparently means "that there is no limit on the number of images, though there may be limits // related to the total amount of memory used by presentable images." uint32_t desiredImageCount = 2; const uint32_t maxImageCount = surfaceContext.surfaceCapabilities.maxImageCount; if (desiredImageCount < surfaceContext.surfaceCapabilities.minImageCount || (maxImageCount != 0 && desiredImageCount > maxImageCount)) { utils::slog.e << "Swap chain does not support " << desiredImageCount << " images.\n"; desiredImageCount = surfaceContext.surfaceCapabilities.minImageCount; } surfaceContext.surfaceFormat = surfaceContext.surfaceFormats[0]; for (const VkSurfaceFormatKHR& format : surfaceContext.surfaceFormats) { if (format.format == VK_FORMAT_R8G8B8A8_UNORM) { surfaceContext.surfaceFormat = format; break; } } const auto compositionCaps = surfaceContext.surfaceCapabilities.supportedCompositeAlpha; const auto compositeAlpha = (compositionCaps & VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR) ? VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR : VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR; // Create the low-level swap chain. const auto size = surfaceContext.surfaceCapabilities.currentExtent; VkSwapchainCreateInfoKHR createInfo { .sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR, .surface = surfaceContext.surface, .minImageCount = desiredImageCount, .imageFormat = surfaceContext.surfaceFormat.format, .imageColorSpace = surfaceContext.surfaceFormat.colorSpace, .imageExtent = size, .imageArrayLayers = 1, .imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT, .preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR, .compositeAlpha = compositeAlpha, .presentMode = VK_PRESENT_MODE_FIFO_KHR, .clipped = VK_TRUE }; VkSwapchainKHR swapchain; VkResult result = vkCreateSwapchainKHR(context.device, &createInfo, VKALLOC, &swapchain); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkGetPhysicalDeviceSurfaceFormatsKHR error."); surfaceContext.swapchain = swapchain; // Extract the VkImage handles from the swap chain. uint32_t imageCount; result = vkGetSwapchainImagesKHR(context.device, swapchain, &imageCount, nullptr); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkGetSwapchainImagesKHR count error."); surfaceContext.swapContexts.resize(imageCount); std::vector<VkImage> images(imageCount); result = vkGetSwapchainImagesKHR(context.device, swapchain, &imageCount, images.data()); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkGetSwapchainImagesKHR error."); for (size_t i = 0; i < images.size(); ++i) { surfaceContext.swapContexts[i].attachment = { .image = images[i], .format = surfaceContext.surfaceFormat.format }; } utils::slog.i << "vkCreateSwapchain" << ": " << size.width << "x" << size.height << ", " << surfaceContext.surfaceFormat.format << ", " << surfaceContext.surfaceFormat.colorSpace << ", " << imageCount << utils::io::endl; // Create image views. VkImageViewCreateInfo ivCreateInfo = {}; ivCreateInfo.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO; ivCreateInfo.viewType = VK_IMAGE_VIEW_TYPE_2D; ivCreateInfo.format = surfaceContext.surfaceFormat.format; ivCreateInfo.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; ivCreateInfo.subresourceRange.levelCount = 1; ivCreateInfo.subresourceRange.layerCount = 1; for (size_t i = 0; i < images.size(); ++i) { ivCreateInfo.image = images[i]; result = vkCreateImageView(context.device, &ivCreateInfo, VKALLOC, &surfaceContext.swapContexts[i].attachment.view); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkCreateImageView error."); } createSemaphore(context.device, &surfaceContext.imageAvailable); createSemaphore(context.device, &surfaceContext.renderingFinished); surfaceContext.depth = {}; } void createDepthBuffer(VulkanContext& context, VulkanSurfaceContext& surfaceContext, VkFormat depthFormat) { assert(context.cmdbuffer); // Create an appropriately-sized device-only VkImage. const auto size = surfaceContext.surfaceCapabilities.currentExtent; VkImage depthImage; VkImageCreateInfo imageInfo { .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, .imageType = VK_IMAGE_TYPE_2D, .extent = { size.width, size.height, 1 }, .format = depthFormat, .mipLevels = 1, .arrayLayers = 1, .usage = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, .samples = VK_SAMPLE_COUNT_1_BIT, }; VkResult error = vkCreateImage(context.device, &imageInfo, VKALLOC, &depthImage); ASSERT_POSTCONDITION(!error, "Unable to create depth image."); // Allocate memory for the VkImage and bind it. VkMemoryRequirements memReqs; vkGetImageMemoryRequirements(context.device, depthImage, &memReqs); VkMemoryAllocateInfo allocInfo { .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, .allocationSize = memReqs.size, .memoryTypeIndex = selectMemoryType(context, memReqs.memoryTypeBits, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT) }; error = vkAllocateMemory(context.device, &allocInfo, nullptr, &surfaceContext.depth.memory); ASSERT_POSTCONDITION(!error, "Unable to allocate depth memory."); error = vkBindImageMemory(context.device, depthImage, surfaceContext.depth.memory, 0); ASSERT_POSTCONDITION(!error, "Unable to bind depth memory."); // Create a VkImageView so that we can attach depth to the framebuffer. VkImageView depthView; VkImageViewCreateInfo viewInfo { .sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, .image = depthImage, .viewType = VK_IMAGE_VIEW_TYPE_2D, .format = depthFormat, .subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT, .subresourceRange.levelCount = 1, .subresourceRange.layerCount = 1, }; error = vkCreateImageView(context.device, &viewInfo, VKALLOC, &depthView); ASSERT_POSTCONDITION(!error, "Unable to create depth view."); // Transition the depth image into an optimal layout. VkImageMemoryBarrier barrier { .sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, .newLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL, .srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED, .image = depthImage, .subresourceRange.aspectMask = VK_IMAGE_ASPECT_DEPTH_BIT, .subresourceRange.levelCount = 1, .subresourceRange.layerCount = 1, .dstAccessMask = VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT }; vkCmdPipelineBarrier(context.cmdbuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT, 0, 0, nullptr, 0, nullptr, 1, &barrier); // Go ahead and set the depth attachment fields, which serves as a signal to VulkanDriver that // it is now ready. surfaceContext.depth.view = depthView; surfaceContext.depth.image = depthImage; surfaceContext.depth.format = depthFormat; } void transitionDepthBuffer(VulkanContext& context, VulkanSurfaceContext& sc, VkFormat depthFormat) { // Begin a new command buffer solely for the purpose of transitioning the image layout. SwapContext& swap = getSwapContext(context); VkResult result = vkWaitForFences(context.device, 1, &swap.fence, VK_FALSE, UINT64_MAX); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkWaitForFences error."); result = vkResetFences(context.device, 1, &swap.fence); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkResetFences error."); VkCommandBuffer cmdbuffer = swap.cmdbuffer; result = vkResetCommandBuffer(cmdbuffer, 0); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkResetCommandBuffer error."); VkCommandBufferBeginInfo beginInfo = { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, .flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT, }; result = vkBeginCommandBuffer(cmdbuffer, &beginInfo); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkBeginCommandBuffer error."); context.cmdbuffer = cmdbuffer; // Create the depth buffer and issue a pipeline barrier command. createDepthBuffer(context, sc, depthFormat); // Flush the command buffer. result = vkEndCommandBuffer(context.cmdbuffer); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkEndCommandBuffer error."); context.cmdbuffer = nullptr; VkSubmitInfo submitInfo { .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, .commandBufferCount = 1, .pCommandBuffers = &swap.cmdbuffer, }; result = vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, swap.fence); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkQueueSubmit error."); swap.submitted = false; } void createCommandBuffersAndFences(VulkanContext& context, VulkanSurfaceContext& surfaceContext) { // Allocate command buffers. VkCommandBufferAllocateInfo allocateInfo = {}; allocateInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; allocateInfo.commandPool = context.commandPool; allocateInfo.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY; allocateInfo.commandBufferCount = (uint32_t) surfaceContext.swapContexts.size(); std::vector<VkCommandBuffer> cmdbufs(allocateInfo.commandBufferCount); VkResult result = vkAllocateCommandBuffers(context.device, &allocateInfo, cmdbufs.data()); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkAllocateCommandBuffers error."); for (uint32_t i = 0; i < allocateInfo.commandBufferCount; ++i) { surfaceContext.swapContexts[i].cmdbuffer = cmdbufs[i]; } // Create fences. VkFenceCreateInfo fenceCreateInfo = {}; fenceCreateInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceCreateInfo.flags = VK_FENCE_CREATE_SIGNALED_BIT; for (uint32_t i = 0; i < allocateInfo.commandBufferCount; i++) { result = vkCreateFence(context.device, &fenceCreateInfo, VKALLOC, &surfaceContext.swapContexts[i].fence); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkCreateFence error."); } } void destroySurfaceContext(VulkanContext& context, VulkanSurfaceContext& surfaceContext) { for (SwapContext& swapContext : surfaceContext.swapContexts) { vkFreeCommandBuffers(context.device, context.commandPool, 1, &swapContext.cmdbuffer); vkDestroyFence(context.device, swapContext.fence, VKALLOC); vkDestroyImageView(context.device, swapContext.attachment.view, VKALLOC); swapContext.fence = VK_NULL_HANDLE; swapContext.attachment.view = VK_NULL_HANDLE; } vkDestroySwapchainKHR(context.device, surfaceContext.swapchain, VKALLOC); vkDestroySemaphore(context.device, surfaceContext.imageAvailable, VKALLOC); vkDestroySemaphore(context.device, surfaceContext.renderingFinished, VKALLOC); vkDestroySurfaceKHR(context.instance, surfaceContext.surface, VKALLOC); vkDestroyImageView(context.device, surfaceContext.depth.view, VKALLOC); vkDestroyImage(context.device, surfaceContext.depth.image, VKALLOC); vkFreeMemory(context.device, surfaceContext.depth.memory, VKALLOC); if (context.currentSurface == &surfaceContext) { context.currentSurface = nullptr; } } uint32_t selectMemoryType(VulkanContext& context, uint32_t flags, VkFlags reqs) { for (uint32_t i = 0; i < VK_MAX_MEMORY_TYPES; i++) { if (flags & 1) { if ((context.memoryProperties.memoryTypes[i].propertyFlags & reqs) == reqs) { return i; } } flags >>= 1; } ASSERT_POSTCONDITION(false, "Unable to find a memory type that meets requirements."); return (uint32_t) ~0ul; } VkFormat getVkFormat(ElementType type, bool normalized) { using ElementType = ElementType; if (normalized) { switch (type) { // Single Component Types case ElementType::BYTE: return VK_FORMAT_R8_SNORM; case ElementType::UBYTE: return VK_FORMAT_R8_UNORM; case ElementType::SHORT: return VK_FORMAT_R16_SNORM; case ElementType::USHORT: return VK_FORMAT_R16_UNORM; // Two Component Types case ElementType::BYTE2: return VK_FORMAT_R8G8_SNORM; case ElementType::UBYTE2: return VK_FORMAT_R8G8_UNORM; case ElementType::SHORT2: return VK_FORMAT_R16G16_SNORM; case ElementType::USHORT2: return VK_FORMAT_R16G16_UNORM; // Three Component Types case ElementType::BYTE3: return VK_FORMAT_R8G8B8_SNORM; case ElementType::UBYTE3: return VK_FORMAT_R8G8B8_UNORM; case ElementType::SHORT3: return VK_FORMAT_R16G16B16_SNORM; case ElementType::USHORT3: return VK_FORMAT_R16G16B16_UNORM; // Four Component Types case ElementType::BYTE4: return VK_FORMAT_R8G8B8A8_SNORM; case ElementType::UBYTE4: return VK_FORMAT_R8G8B8A8_UNORM; case ElementType::SHORT4: return VK_FORMAT_R16G16B16A16_SNORM; case ElementType::USHORT4: return VK_FORMAT_R16G16B16A16_UNORM; default: ASSERT_POSTCONDITION(false, "Normalized format does not exist."); return VK_FORMAT_UNDEFINED; } } switch (type) { // Single Component Types case ElementType::BYTE: return VK_FORMAT_R8_SINT; case ElementType::UBYTE: return VK_FORMAT_R8_UINT; case ElementType::SHORT: return VK_FORMAT_R16_SINT; case ElementType::USHORT: return VK_FORMAT_R16_UINT; case ElementType::HALF: return VK_FORMAT_R16_SFLOAT; case ElementType::INT: return VK_FORMAT_R32_SINT; case ElementType::UINT: return VK_FORMAT_R32_UINT; case ElementType::FLOAT: return VK_FORMAT_R32_SFLOAT; // Two Component Types case ElementType::BYTE2: return VK_FORMAT_R8G8_SINT; case ElementType::UBYTE2: return VK_FORMAT_R8G8_UINT; case ElementType::SHORT2: return VK_FORMAT_R16G16_SINT; case ElementType::USHORT2: return VK_FORMAT_R16G16_UINT; case ElementType::HALF2: return VK_FORMAT_R16G16_SFLOAT; case ElementType::FLOAT2: return VK_FORMAT_R32G32_SFLOAT; // Three Component Types case ElementType::BYTE3: return VK_FORMAT_R8G8B8_SINT; case ElementType::UBYTE3: return VK_FORMAT_R8G8B8_UINT; case ElementType::SHORT3: return VK_FORMAT_R16G16B16_SINT; case ElementType::USHORT3: return VK_FORMAT_R16G16B16_UINT; case ElementType::HALF3: return VK_FORMAT_R16G16B16_SFLOAT; case ElementType::FLOAT3: return VK_FORMAT_R32G32B32_SFLOAT; // Four Component Types case ElementType::BYTE4: return VK_FORMAT_R8G8B8A8_SINT; case ElementType::UBYTE4: return VK_FORMAT_R8G8B8A8_UINT; case ElementType::SHORT4: return VK_FORMAT_R16G16B16A16_SINT; case ElementType::USHORT4: return VK_FORMAT_R16G16B16A16_UINT; case ElementType::HALF4: return VK_FORMAT_R16G16B16A16_SFLOAT; case ElementType::FLOAT4: return VK_FORMAT_R32G32B32A32_SFLOAT; } return VK_FORMAT_UNDEFINED; } VkFormat getVkFormat(TextureFormat format) { using TextureFormat = TextureFormat; switch (format) { // 8 bits per element. case TextureFormat::R8: return VK_FORMAT_R8_UNORM; case TextureFormat::R8_SNORM: return VK_FORMAT_R8_SNORM; case TextureFormat::R8UI: return VK_FORMAT_R8_UINT; case TextureFormat::R8I: return VK_FORMAT_R8_SINT; case TextureFormat::STENCIL8: return VK_FORMAT_S8_UINT; // 16 bits per element. case TextureFormat::R16F: return VK_FORMAT_R16_SFLOAT; case TextureFormat::R16UI: return VK_FORMAT_R16_UINT; case TextureFormat::R16I: return VK_FORMAT_R16_SINT; case TextureFormat::RG8: return VK_FORMAT_R8G8_UNORM; case TextureFormat::RG8_SNORM: return VK_FORMAT_R8G8_SNORM; case TextureFormat::RG8UI: return VK_FORMAT_R8G8_UINT; case TextureFormat::RG8I: return VK_FORMAT_R8G8_SINT; case TextureFormat::RGB565: return VK_FORMAT_R5G6B5_UNORM_PACK16; case TextureFormat::RGB5_A1: return VK_FORMAT_R5G5B5A1_UNORM_PACK16; case TextureFormat::RGBA4: return VK_FORMAT_R4G4B4A4_UNORM_PACK16; case TextureFormat::DEPTH16: return VK_FORMAT_D16_UNORM; // 24 bits per element. In practice, very few GPU vendors support these. For simplicity // we just assume they are not supported, not bothering to query the device capabilities. // Note that VK_FORMAT_ enums for 24-bit formats exist, but are meant for vertex attributes. case TextureFormat::RGB8: case TextureFormat::SRGB8: case TextureFormat::RGB8_SNORM: case TextureFormat::RGB8UI: case TextureFormat::RGB8I: case TextureFormat::DEPTH24: return VK_FORMAT_UNDEFINED; // 32 bits per element. case TextureFormat::R32F: return VK_FORMAT_R32_SFLOAT; case TextureFormat::R32UI: return VK_FORMAT_R32_UINT; case TextureFormat::R32I: return VK_FORMAT_R32_SINT; case TextureFormat::RG16F: return VK_FORMAT_R16G16_SFLOAT; case TextureFormat::RG16UI: return VK_FORMAT_R16G16_UINT; case TextureFormat::RG16I: return VK_FORMAT_R16G16_SINT; case TextureFormat::R11F_G11F_B10F: return VK_FORMAT_B10G11R11_UFLOAT_PACK32; case TextureFormat::RGB9_E5: return VK_FORMAT_E5B9G9R9_UFLOAT_PACK32; case TextureFormat::RGBA8: return VK_FORMAT_R8G8B8A8_UNORM; case TextureFormat::SRGB8_A8: return VK_FORMAT_R8G8B8A8_SRGB; case TextureFormat::RGBA8_SNORM: return VK_FORMAT_R8G8B8A8_SNORM; case TextureFormat::RGBM: return VK_FORMAT_R8G8B8A8_UNORM; case TextureFormat::RGB10_A2: return VK_FORMAT_A2R10G10B10_UNORM_PACK32; case TextureFormat::RGBA8UI: return VK_FORMAT_R8G8B8A8_UINT; case TextureFormat::RGBA8I: return VK_FORMAT_R8G8B8A8_SINT; case TextureFormat::DEPTH32F: return VK_FORMAT_D32_SFLOAT; case TextureFormat::DEPTH24_STENCIL8: return VK_FORMAT_D24_UNORM_S8_UINT; case TextureFormat::DEPTH32F_STENCIL8: return VK_FORMAT_D32_SFLOAT_S8_UINT; // 48 bits per element. Note that many GPU vendors do not support these. case TextureFormat::RGB16F: return VK_FORMAT_R16G16B16_SFLOAT; case TextureFormat::RGB16UI: return VK_FORMAT_R16G16B16_UINT; case TextureFormat::RGB16I: return VK_FORMAT_R16G16B16_SINT; // 64 bits per element. case TextureFormat::RG32F: return VK_FORMAT_R32G32_SFLOAT; case TextureFormat::RG32UI: return VK_FORMAT_R32G32_UINT; case TextureFormat::RG32I: return VK_FORMAT_R32G32_SINT; case TextureFormat::RGBA16F: return VK_FORMAT_R16G16B16A16_SFLOAT; case TextureFormat::RGBA16UI: return VK_FORMAT_R16G16B16A16_UINT; case TextureFormat::RGBA16I: return VK_FORMAT_R16G16B16A16_SINT; // 96-bits per element. case TextureFormat::RGB32F: return VK_FORMAT_R32G32B32_SFLOAT; case TextureFormat::RGB32UI: return VK_FORMAT_R32G32B32_UINT; case TextureFormat::RGB32I: return VK_FORMAT_R32G32B32_SINT; // 128-bits per element case TextureFormat::RGBA32F: return VK_FORMAT_R32G32B32A32_SFLOAT; case TextureFormat::RGBA32UI: return VK_FORMAT_R32G32B32A32_UINT; case TextureFormat::RGBA32I: return VK_FORMAT_R32G32B32A32_SINT; default: return VK_FORMAT_UNDEFINED; } } uint32_t getBytesPerPixel(TextureFormat format) { return details::FTexture::getFormatSize(format); } // See also FTexture::computeTextureDataSize, which takes a public-facing Texture format rather // than a driver-level Texture format, and can account for a specified byte alignment. uint32_t computeSize(TextureFormat format, uint32_t w, uint32_t h, uint32_t d) { const size_t bytesPerTexel = details::FTexture::getFormatSize(format); return bytesPerTexel * w * h * d; } SwapContext& getSwapContext(VulkanContext& context) { VulkanSurfaceContext& surface = *context.currentSurface; return surface.swapContexts[surface.currentSwapIndex]; } bool hasPendingWork(VulkanContext& context) { if (context.pendingWork.size() > 0) { return true; } if (context.currentSurface) { for (auto& swapContext : context.currentSurface->swapContexts) { if (swapContext.pendingWork.size() > 0) { return true; } } } return false; } VkCompareOp getCompareOp(SamplerCompareFunc func) { using Compare = driver::SamplerCompareFunc; switch (func) { case Compare::LE: return VK_COMPARE_OP_LESS_OR_EQUAL; case Compare::GE: return VK_COMPARE_OP_GREATER_OR_EQUAL; case Compare::L: return VK_COMPARE_OP_LESS; case Compare::G: return VK_COMPARE_OP_GREATER; case Compare::E: return VK_COMPARE_OP_EQUAL; case Compare::NE: return VK_COMPARE_OP_NOT_EQUAL; case Compare::A: return VK_COMPARE_OP_ALWAYS; case Compare::N: return VK_COMPARE_OP_NEVER; } } VkBlendFactor getBlendFactor(BlendFunction mode) { using BlendFunction = filament::driver::BlendFunction; switch (mode) { case BlendFunction::ZERO: return VK_BLEND_FACTOR_ZERO; case BlendFunction::ONE: return VK_BLEND_FACTOR_ONE; case BlendFunction::SRC_COLOR: return VK_BLEND_FACTOR_SRC_COLOR; case BlendFunction::ONE_MINUS_SRC_COLOR: return VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR; case BlendFunction::DST_COLOR: return VK_BLEND_FACTOR_DST_COLOR; case BlendFunction::ONE_MINUS_DST_COLOR: return VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR; case BlendFunction::SRC_ALPHA: return VK_BLEND_FACTOR_SRC_ALPHA; case BlendFunction::ONE_MINUS_SRC_ALPHA: return VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA; case BlendFunction::DST_ALPHA: return VK_BLEND_FACTOR_DST_ALPHA; case BlendFunction::ONE_MINUS_DST_ALPHA: return VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA; case BlendFunction::SRC_ALPHA_SATURATE: return VK_BLEND_FACTOR_SRC_ALPHA_SATURATE; } } void waitForIdle(VulkanContext& context) { // If there's no valid GPU then we have nothing to do. if (!context.device) { return; } // If there's no surface, then there's no command buffer. if (!context.currentSurface) { return; } // First, wait for submitted command buffer(s) to finish. VkFence fences[2]; uint32_t nfences = 0; auto& surfaceContext = *context.currentSurface; for (auto& swapContext : surfaceContext.swapContexts) { assert(nfences < 2); if (swapContext.submitted && swapContext.fence) { fences[nfences++] = swapContext.fence; swapContext.submitted = false; } } if (nfences > 0) { vkWaitForFences(context.device, nfences, fences, VK_FALSE, ~0ull); } // If we don't have any pending work, we're done. if (!hasPendingWork(context)) { return; } // We cannot invoke arbitrary commands inside a render pass. assert(context.currentRenderPass.renderPass == VK_NULL_HANDLE); // Create a one-off command buffer to avoid the cost of swap chain acquisition and to avoid // the possibility of SURFACE_LOST. Note that Vulkan command buffers use the Allocate/Free // model instead of Create/Destroy and are therefore okay to create at a high frequency. VkCommandBuffer cmdbuffer; VkFence fence; VkCommandBufferBeginInfo beginInfo { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO }; VkCommandBufferAllocateInfo allocateInfo = { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, .commandPool = context.commandPool, .level = VK_COMMAND_BUFFER_LEVEL_PRIMARY, .commandBufferCount = 1 }; VkFenceCreateInfo fenceCreateInfo { .sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, }; vkAllocateCommandBuffers(context.device, &allocateInfo, &cmdbuffer); vkCreateFence(context.device, &fenceCreateInfo, VKALLOC, &fence); // Keep performing work until there's nothing queued up. This should never iterate more than // a couple times because the only work we queue up is for resource transition / reclamation. VkPipelineStageFlags waitDestStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT; VkSubmitInfo submitInfo { .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, .pWaitDstStageMask = &waitDestStageMask, .commandBufferCount = 1, .pCommandBuffers = &cmdbuffer, }; int cycles = 0; while (hasPendingWork(context)) { if (cycles++ > 2) { utils::slog.e << "Unexpected daisychaining of pending work." << utils::io::endl; break; } for (auto& swapContext : context.currentSurface->swapContexts) { vkBeginCommandBuffer(cmdbuffer, &beginInfo); performPendingWork(context, swapContext, cmdbuffer); vkEndCommandBuffer(cmdbuffer); vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, fence); vkWaitForFences(context.device, 1, &fence, VK_FALSE, UINT64_MAX); vkResetFences(context.device, 1, &fence); vkResetCommandBuffer(cmdbuffer, 0); } } vkFreeCommandBuffers(context.device, context.commandPool, 1, &cmdbuffer); vkDestroyFence(context.device, fence, VKALLOC); } void acquireCommandBuffer(VulkanContext& context) { // Ask Vulkan for the next image in the swap chain and update the currentSwapIndex. VulkanSurfaceContext& surface = *context.currentSurface; VkResult result = vkAcquireNextImageKHR(context.device, surface.swapchain, UINT64_MAX, surface.imageAvailable, VK_NULL_HANDLE, &surface.currentSwapIndex); ASSERT_POSTCONDITION(result != VK_ERROR_OUT_OF_DATE_KHR, "Stale / resized swap chain not yet supported."); ASSERT_POSTCONDITION(result == VK_SUBOPTIMAL_KHR || result == VK_SUCCESS, "vkAcquireNextImageKHR error."); SwapContext& swap = getSwapContext(context); // Ensure that the previous submission of this command buffer has finished. result = vkWaitForFences(context.device, 1, &swap.fence, VK_FALSE, UINT64_MAX); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkWaitForFences error."); // Restart the command buffer. result = vkResetFences(context.device, 1, &swap.fence); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkResetFences error."); VkCommandBuffer cmdbuffer = swap.cmdbuffer; VkResult error = vkResetCommandBuffer(cmdbuffer, 0); ASSERT_POSTCONDITION(not error, "vkResetCommandBuffer error."); VkCommandBufferBeginInfo beginInfo { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, .flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT, }; error = vkBeginCommandBuffer(cmdbuffer, &beginInfo); ASSERT_POSTCONDITION(not error, "vkBeginCommandBuffer error."); context.cmdbuffer = cmdbuffer; swap.submitted = false; } void releaseCommandBuffer(VulkanContext& context) { // Finalize the command buffer and set the cmdbuffer pointer to null. VkResult result = vkEndCommandBuffer(context.cmdbuffer); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkEndCommandBuffer error."); context.cmdbuffer = nullptr; // Submit the command buffer. VkPipelineStageFlags waitDestStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT; VulkanSurfaceContext& surfaceContext = *context.currentSurface; SwapContext& swapContext = getSwapContext(context); VkSubmitInfo submitInfo { .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, .waitSemaphoreCount = 1u, .pWaitSemaphores = &surfaceContext.imageAvailable, .pWaitDstStageMask = &waitDestStageMask, .commandBufferCount = 1, .pCommandBuffers = &swapContext.cmdbuffer, .signalSemaphoreCount = 1u, .pSignalSemaphores = &surfaceContext.renderingFinished, }; result = vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, swapContext.fence); ASSERT_POSTCONDITION(result == VK_SUCCESS, "vkQueueSubmit error."); swapContext.submitted = true; } void performPendingWork(VulkanContext& context, SwapContext& swapContext, VkCommandBuffer cmdbuf) { // First, execute pending tasks that are specific to this swap context. Copy the tasks into a // local queue first, which allows newly added tasks to be deferred until the next frame. decltype(swapContext.pendingWork) tasks; tasks.swap(swapContext.pendingWork); for (auto& callback : tasks) { callback(cmdbuf); } // Next, execute the global pending work. Again, we copy the work queue into a local queue // to allow tasks to re-add themselves. tasks.clear(); tasks.swap(context.pendingWork); for (auto& callback : tasks) { callback(cmdbuf); } } // Flushes the command buffer and waits for it to finish executing. Useful for diagnosing // sychronization issues. void flushCommandBuffer(VulkanContext& context) { VulkanSurfaceContext& surface = *context.currentSurface; const SwapContext& sc = surface.swapContexts[surface.currentSwapIndex]; // Submit the command buffer. VkResult error = vkEndCommandBuffer(context.cmdbuffer); ASSERT_POSTCONDITION(!error, "vkEndCommandBuffer error."); VkPipelineStageFlags waitDestStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT; VkSubmitInfo submitInfo { .sType = VK_STRUCTURE_TYPE_SUBMIT_INFO, .pWaitDstStageMask = &waitDestStageMask, .commandBufferCount = 1, .pCommandBuffers = &context.cmdbuffer, }; error = vkQueueSubmit(context.graphicsQueue, 1, &submitInfo, sc.fence); ASSERT_POSTCONDITION(!error, "vkQueueSubmit error."); // Restart the command buffer. error = vkWaitForFences(context.device, 1, &sc.fence, VK_FALSE, UINT64_MAX); ASSERT_POSTCONDITION(!error, "vkWaitForFences error."); error = vkResetFences(context.device, 1, &sc.fence); ASSERT_POSTCONDITION(!error, "vkResetFences error."); error = vkResetCommandBuffer(context.cmdbuffer, 0); ASSERT_POSTCONDITION(!error, "vkResetCommandBuffer error."); VkCommandBufferBeginInfo beginInfo { .sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, .flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT, }; error = vkBeginCommandBuffer(context.cmdbuffer, &beginInfo); ASSERT_POSTCONDITION(!error, "vkBeginCommandBuffer error."); } VkFormat findSupportedFormat(VulkanContext& context, const std::vector<VkFormat>& candidates, VkImageTiling tiling, VkFormatFeatureFlags features) { for (VkFormat format : candidates) { VkFormatProperties props; vkGetPhysicalDeviceFormatProperties(context.physicalDevice, format, &props); if (tiling == VK_IMAGE_TILING_LINEAR && (props.linearTilingFeatures & features) == features) { return format; } else if (tiling == VK_IMAGE_TILING_OPTIMAL && (props.optimalTilingFeatures & features) == features) { return format; } } return VK_FORMAT_UNDEFINED; } } // namespace filament } // namespace driver
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; struct sample_info info = {}; char sample_title[] = "Secondary command buffers"; const bool depthPresent = true; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); init_depth_buffer(info); init_uniform_buffer(info); init_descriptor_and_pipeline_layouts(info, true); init_renderpass(info, depthPresent, true, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, depthPresent); init_vertex_buffer(info, g_vb_texture_Data, sizeof(g_vb_texture_Data), sizeof(g_vb_texture_Data[0]), true); init_pipeline_cache(info); init_pipeline(info, depthPresent); // we have to set up a couple of things by hand, but this // isn't any different to other examples // get two different textures init_texture(info, "green.ppm"); VkDescriptorImageInfo greenTex = info.texture_data.image_info; init_texture(info, "lunarg.ppm"); VkDescriptorImageInfo lunargTex = info.texture_data.image_info; // create two identical descriptor sets, each with a different texture but // identical UBOa VkDescriptorPoolSize pool_size[2]; pool_size[0].type = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; pool_size[0].descriptorCount = 2; pool_size[1].type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; pool_size[1].descriptorCount = 2; VkDescriptorPoolCreateInfo descriptor_pool = {}; descriptor_pool.sType = VK_STRUCTURE_TYPE_DESCRIPTOR_POOL_CREATE_INFO; descriptor_pool.pNext = NULL; descriptor_pool.flags = 0; descriptor_pool.maxSets = 2; descriptor_pool.poolSizeCount = 2; descriptor_pool.pPoolSizes = pool_size; res = vkCreateDescriptorPool(info.device, &descriptor_pool, NULL, &info.desc_pool); assert(res == VK_SUCCESS); VkDescriptorSetLayout layouts[] = {info.desc_layout[0], info.desc_layout[0]}; VkDescriptorSetAllocateInfo alloc_info[1]; alloc_info[0].sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO; alloc_info[0].pNext = NULL; alloc_info[0].descriptorPool = info.desc_pool; alloc_info[0].descriptorSetCount = 2; alloc_info[0].pSetLayouts = layouts; info.desc_set.resize(2); res = vkAllocateDescriptorSets(info.device, alloc_info, info.desc_set.data()); assert(res == VK_SUCCESS); VkWriteDescriptorSet writes[2]; writes[0].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; writes[0].pNext = NULL; writes[0].dstSet = info.desc_set[0]; writes[0].descriptorCount = 1; writes[0].descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER; writes[0].pBufferInfo = &info.uniform_data.buffer_info; writes[0].dstArrayElement = 0; writes[0].dstBinding = 0; writes[1].sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET; writes[1].pNext = NULL; writes[1].dstSet = info.desc_set[0]; writes[1].dstBinding = 1; writes[1].descriptorCount = 1; writes[1].descriptorType = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER; writes[1].pImageInfo = &greenTex; writes[1].dstArrayElement = 0; vkUpdateDescriptorSets(info.device, 2, writes, 0, NULL); writes[0].dstSet = writes[1].dstSet = info.desc_set[1]; writes[1].pImageInfo = &lunargTex; vkUpdateDescriptorSets(info.device, 2, writes, 0, NULL); /* VULKAN_KEY_START */ // create four secondary command buffers, for each quadrant of the screen VkCommandBufferAllocateInfo cmdalloc = {}; cmdalloc.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO; cmdalloc.pNext = NULL; cmdalloc.commandPool = info.cmd_pool; cmdalloc.level = VK_COMMAND_BUFFER_LEVEL_SECONDARY; cmdalloc.commandBufferCount = 4; VkCommandBuffer secondary_cmds[4]; res = vkAllocateCommandBuffers(info.device, &cmdalloc, secondary_cmds); assert(res == VK_SUCCESS); VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore imageAcquiredSemaphore; VkSemaphoreCreateInfo imageAcquiredSemaphoreCreateInfo; imageAcquiredSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; imageAcquiredSemaphoreCreateInfo.pNext = NULL; imageAcquiredSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &imageAcquiredSemaphoreCreateInfo, NULL, &imageAcquiredSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, imageAcquiredSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); set_image_layout(info, info.buffers[info.current_buffer].image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT); const VkDeviceSize offsets[1] = {0}; VkViewport viewport; viewport.height = 200.0f; viewport.width = 200.0f; viewport.minDepth = (float)0.0f; viewport.maxDepth = (float)1.0f; viewport.x = 0; viewport.y = 0; VkRect2D scissor; scissor.extent.width = info.width; scissor.extent.height = info.height; scissor.offset.x = 0; scissor.offset.y = 0; // now we record four separate command buffers, one for each quadrant of the // screen VkCommandBufferInheritanceInfo cmd_buf_inheritance_info = {}; cmd_buf_inheritance_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO, cmd_buf_inheritance_info.pNext = NULL; cmd_buf_inheritance_info.renderPass = info.render_pass; cmd_buf_inheritance_info.subpass = 0; cmd_buf_inheritance_info.framebuffer = info.framebuffers[info.current_buffer]; cmd_buf_inheritance_info.occlusionQueryEnable = VK_FALSE; cmd_buf_inheritance_info.queryFlags = 0; cmd_buf_inheritance_info.pipelineStatistics = 0; VkCommandBufferBeginInfo secondary_begin = {}; secondary_begin.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO; secondary_begin.pNext = NULL; secondary_begin.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT | VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT; secondary_begin.pInheritanceInfo = &cmd_buf_inheritance_info; for (int i = 0; i < 4; i++) { vkBeginCommandBuffer(secondary_cmds[i], &secondary_begin); vkCmdBindPipeline(secondary_cmds[i], VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(secondary_cmds[i], VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, 1, &info.desc_set[i == 0 || i == 3], 0, NULL); vkCmdBindVertexBuffers(secondary_cmds[i], 0, 1, &info.vertex_buffer.buf, offsets); viewport.x = 25.0f + 250.0f * (i % 2); viewport.y = 25.0f + 250.0f * (i / 2); vkCmdSetViewport(secondary_cmds[i], 0, NUM_VIEWPORTS, &viewport); vkCmdSetScissor(secondary_cmds[i], 0, NUM_SCISSORS, &scissor); vkCmdDraw(secondary_cmds[i], 12 * 3, 1, 0, 0); vkEndCommandBuffer(secondary_cmds[i]); } VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; // specifying VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS means this // render pass may // ONLY call vkCmdExecuteCommands vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS); vkCmdExecuteCommands(info.cmd, 4, secondary_cmds); vkCmdEndRenderPass(info.cmd); VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; prePresentBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(info.cmd); assert(res == VK_SUCCESS); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &imageAcquiredSemaphore; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.graphics_queue, 1, submit_info, drawFence); assert(res == VK_SUCCESS); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.present_queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); if (info.save_images) write_ppm(info, "secondary_command_buffer"); vkFreeCommandBuffers(info.device, info.cmd_pool, 4, secondary_cmds); /* VULKAN_KEY_END */ vkDestroyFence(info.device, drawFence, NULL); vkDestroySemaphore(info.device, imageAcquiredSemaphore, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_textures(info); destroy_descriptor_pool(info); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_uniform_buffer(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }
int sample_main(int argc, char *argv[]) { VkResult U_ASSERT_ONLY res; struct sample_info info = {}; char sample_title[] = "Draw Textured Cube"; const bool depthPresent = true; process_command_line_args(info, argc, argv); init_global_layer_properties(info); init_instance_extension_names(info); init_device_extension_names(info); init_instance(info, sample_title); init_enumerate_device(info); init_window_size(info, 500, 500); init_connection(info); init_window(info); init_swapchain_extension(info); init_device(info); init_command_pool(info); init_command_buffer(info); execute_begin_command_buffer(info); init_device_queue(info); init_swap_chain(info); init_depth_buffer(info); init_texture(info); init_uniform_buffer(info); init_descriptor_and_pipeline_layouts(info, true); init_renderpass(info, depthPresent); init_shaders(info, vertShaderText, fragShaderText); init_framebuffers(info, depthPresent); init_vertex_buffer(info, g_vb_texture_Data, sizeof(g_vb_texture_Data), sizeof(g_vb_texture_Data[0]), true); init_descriptor_pool(info, true); init_descriptor_set(info, true); init_pipeline_cache(info); init_pipeline(info, depthPresent); /* VULKAN_KEY_START */ VkClearValue clear_values[2]; clear_values[0].color.float32[0] = 0.2f; clear_values[0].color.float32[1] = 0.2f; clear_values[0].color.float32[2] = 0.2f; clear_values[0].color.float32[3] = 0.2f; clear_values[1].depthStencil.depth = 1.0f; clear_values[1].depthStencil.stencil = 0; VkSemaphore presentCompleteSemaphore; VkSemaphoreCreateInfo presentCompleteSemaphoreCreateInfo; presentCompleteSemaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; presentCompleteSemaphoreCreateInfo.pNext = NULL; presentCompleteSemaphoreCreateInfo.flags = 0; res = vkCreateSemaphore(info.device, &presentCompleteSemaphoreCreateInfo, NULL, &presentCompleteSemaphore); assert(res == VK_SUCCESS); // Get the index of the next available swapchain image: res = vkAcquireNextImageKHR(info.device, info.swap_chain, UINT64_MAX, presentCompleteSemaphore, VK_NULL_HANDLE, &info.current_buffer); // TODO: Deal with the VK_SUBOPTIMAL_KHR and VK_ERROR_OUT_OF_DATE_KHR // return codes assert(res == VK_SUCCESS); set_image_layout(info, info.buffers[info.current_buffer].image, VK_IMAGE_ASPECT_COLOR_BIT, VK_IMAGE_LAYOUT_UNDEFINED, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL); VkRenderPassBeginInfo rp_begin; rp_begin.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO; rp_begin.pNext = NULL; rp_begin.renderPass = info.render_pass; rp_begin.framebuffer = info.framebuffers[info.current_buffer]; rp_begin.renderArea.offset.x = 0; rp_begin.renderArea.offset.y = 0; rp_begin.renderArea.extent.width = info.width; rp_begin.renderArea.extent.height = info.height; rp_begin.clearValueCount = 2; rp_begin.pClearValues = clear_values; vkCmdBeginRenderPass(info.cmd, &rp_begin, VK_SUBPASS_CONTENTS_INLINE); vkCmdBindPipeline(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline); vkCmdBindDescriptorSets(info.cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, info.pipeline_layout, 0, NUM_DESCRIPTOR_SETS, info.desc_set.data(), 0, NULL); const VkDeviceSize offsets[1] = {0}; vkCmdBindVertexBuffers(info.cmd, 0, 1, &info.vertex_buffer.buf, offsets); init_viewports(info); init_scissors(info); vkCmdDraw(info.cmd, 12 * 3, 1, 0, 0); vkCmdEndRenderPass(info.cmd); VkImageMemoryBarrier prePresentBarrier = {}; prePresentBarrier.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER; prePresentBarrier.pNext = NULL; prePresentBarrier.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT; prePresentBarrier.dstAccessMask = VK_ACCESS_MEMORY_READ_BIT; prePresentBarrier.oldLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL; prePresentBarrier.newLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR; prePresentBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED; prePresentBarrier.subresourceRange.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT; prePresentBarrier.subresourceRange.baseMipLevel = 0; prePresentBarrier.subresourceRange.levelCount = 1; prePresentBarrier.subresourceRange.baseArrayLayer = 0; prePresentBarrier.subresourceRange.layerCount = 1; prePresentBarrier.image = info.buffers[info.current_buffer].image; vkCmdPipelineBarrier(info.cmd, VK_PIPELINE_STAGE_ALL_COMMANDS_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &prePresentBarrier); res = vkEndCommandBuffer(info.cmd); assert(res == VK_SUCCESS); const VkCommandBuffer cmd_bufs[] = {info.cmd}; VkFenceCreateInfo fenceInfo; VkFence drawFence; fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO; fenceInfo.pNext = NULL; fenceInfo.flags = 0; vkCreateFence(info.device, &fenceInfo, NULL, &drawFence); VkPipelineStageFlags pipe_stage_flags = VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT; VkSubmitInfo submit_info[1] = {}; submit_info[0].pNext = NULL; submit_info[0].sType = VK_STRUCTURE_TYPE_SUBMIT_INFO; submit_info[0].waitSemaphoreCount = 1; submit_info[0].pWaitSemaphores = &presentCompleteSemaphore; submit_info[0].pWaitDstStageMask = &pipe_stage_flags; submit_info[0].commandBufferCount = 1; submit_info[0].pCommandBuffers = cmd_bufs; submit_info[0].signalSemaphoreCount = 0; submit_info[0].pSignalSemaphores = NULL; /* Queue the command buffer for execution */ res = vkQueueSubmit(info.queue, 1, submit_info, drawFence); assert(res == VK_SUCCESS); /* Now present the image in the window */ VkPresentInfoKHR present; present.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR; present.pNext = NULL; present.swapchainCount = 1; present.pSwapchains = &info.swap_chain; present.pImageIndices = &info.current_buffer; present.pWaitSemaphores = NULL; present.waitSemaphoreCount = 0; present.pResults = NULL; /* Make sure command buffer is finished before presenting */ do { res = vkWaitForFences(info.device, 1, &drawFence, VK_TRUE, FENCE_TIMEOUT); } while (res == VK_TIMEOUT); assert(res == VK_SUCCESS); res = vkQueuePresentKHR(info.queue, &present); assert(res == VK_SUCCESS); wait_seconds(1); /* VULKAN_KEY_END */ if (info.save_images) write_ppm(info, "drawtexturedcube"); vkDestroyFence(info.device, drawFence, NULL); vkDestroySemaphore(info.device, presentCompleteSemaphore, NULL); destroy_pipeline(info); destroy_pipeline_cache(info); destroy_textures(info); destroy_descriptor_pool(info); destroy_vertex_buffer(info); destroy_framebuffers(info); destroy_shaders(info); destroy_renderpass(info); destroy_descriptor_and_pipeline_layouts(info); destroy_uniform_buffer(info); destroy_depth_buffer(info); destroy_swap_chain(info); destroy_command_buffer(info); destroy_command_pool(info); destroy_device(info); destroy_window(info); destroy_instance(info); return 0; }