void FramebufferManager::DestroyEFBFramebuffer()
{
if (m_efb_framebuffer != VK_NULL_HANDLE)
{
vkDestroyFramebuffer(g_vulkan_context->GetDevice(), m_efb_framebuffer, nullptr);
m_efb_framebuffer = VK_NULL_HANDLE;
}
if (m_efb_convert_framebuffer != VK_NULL_HANDLE)
{
vkDestroyFramebuffer(g_vulkan_context->GetDevice(), m_efb_convert_framebuffer, nullptr);
m_efb_convert_framebuffer = VK_NULL_HANDLE;
}
if (m_depth_resolve_framebuffer != VK_NULL_HANDLE)
{
vkDestroyFramebuffer(g_vulkan_context->GetDevice(), m_depth_resolve_framebuffer, nullptr);
m_depth_resolve_framebuffer = VK_NULL_HANDLE;
}
m_efb_color_texture.reset();
m_efb_convert_color_texture.reset();
m_efb_depth_texture.reset();
m_efb_resolve_color_texture.reset();
m_efb_resolve_depth_texture.reset();
}
VulkanFramebuffer::~VulkanFramebuffer()
{
VkDevice device = mOwner->getDevice().getLogical();
vkDestroyFramebuffer(device, mDefault.framebuffer, gVulkanAllocator);
vkDestroyRenderPass(device, mDefault.renderPass, gVulkanAllocator);
for(auto& entry : mVariants)
{
vkDestroyFramebuffer(device, entry.second.framebuffer, gVulkanAllocator);
vkDestroyRenderPass(device, entry.second.renderPass, gVulkanAllocator);
}
}
static void cleanup_vulkan()
{
vkDestroyDescriptorPool(g_Device, g_DescriptorPool, g_Allocator);
for (int i = 0; i < IMGUI_VK_QUEUED_FRAMES; i++)
{
vkDestroyFence(g_Device, g_Fence[i], g_Allocator);
vkFreeCommandBuffers(g_Device, g_CommandPool[i], 1, &g_CommandBuffer[i]);
vkDestroyCommandPool(g_Device, g_CommandPool[i], g_Allocator);
vkDestroySemaphore(g_Device, g_PresentCompleteSemaphore[i], g_Allocator);
vkDestroySemaphore(g_Device, g_RenderCompleteSemaphore[i], g_Allocator);
}
for (uint32_t i = 0; i < g_BackBufferCount; i++)
{
vkDestroyImageView(g_Device, g_BackBufferView[i], g_Allocator);
vkDestroyFramebuffer(g_Device, g_Framebuffer[i], g_Allocator);
}
vkDestroyRenderPass(g_Device, g_RenderPass, g_Allocator);
vkDestroySwapchainKHR(g_Device, g_Swapchain, g_Allocator);
vkDestroySurfaceKHR(g_Instance, g_Surface, g_Allocator);
#ifdef IMGUI_VULKAN_DEBUG_REPORT
// get the proc address of the function pointer, required for used extensions
auto vkDestroyDebugReportCallbackEXT = (PFN_vkDestroyDebugReportCallbackEXT)vkGetInstanceProcAddr(g_Instance, "vkDestroyDebugReportCallbackEXT");
vkDestroyDebugReportCallbackEXT(g_Instance, g_Debug_Report, g_Allocator);
#endif // IMGUI_VULKAN_DEBUG_REPORT
vkDestroyDevice(g_Device, g_Allocator);
vkDestroyInstance(g_Instance, g_Allocator);
}
void Tutorial03::ChildClear() {
if( GetDevice() != VK_NULL_HANDLE ) {
vkDeviceWaitIdle( GetDevice() );
if( (Vulkan.GraphicsCommandBuffers.size() > 0) && (Vulkan.GraphicsCommandBuffers[0] != VK_NULL_HANDLE) ) {
vkFreeCommandBuffers( GetDevice(), Vulkan.GraphicsCommandPool, static_cast<uint32_t>(Vulkan.GraphicsCommandBuffers.size()), &Vulkan.GraphicsCommandBuffers[0] );
Vulkan.GraphicsCommandBuffers.clear();
}
if( Vulkan.GraphicsCommandPool != VK_NULL_HANDLE ) {
vkDestroyCommandPool( GetDevice(), Vulkan.GraphicsCommandPool, nullptr );
Vulkan.GraphicsCommandPool = VK_NULL_HANDLE;
}
if( Vulkan.GraphicsPipeline != VK_NULL_HANDLE ) {
vkDestroyPipeline( GetDevice(), Vulkan.GraphicsPipeline, nullptr );
Vulkan.GraphicsPipeline = VK_NULL_HANDLE;
}
if( Vulkan.RenderPass != VK_NULL_HANDLE ) {
vkDestroyRenderPass( GetDevice(), Vulkan.RenderPass, nullptr );
Vulkan.RenderPass = VK_NULL_HANDLE;
}
for( size_t i = 0; i < Vulkan.Framebuffers.size(); ++i ) {
if( Vulkan.Framebuffers[i] != VK_NULL_HANDLE ) {
vkDestroyFramebuffer( GetDevice(), Vulkan.Framebuffers[i], nullptr );
Vulkan.Framebuffers[i] = VK_NULL_HANDLE;
}
}
Vulkan.Framebuffers.clear();
}
}
VKRenderPass::~VKRenderPass()
{
VKRenderer* renderer = VKRenderer::RendererInstance;
//Free input descriptor sets
vkFreeDescriptorSets(m_device, m_descriptorPool, static_cast<uint32_t>(m_inputTargetDescriptorSets.size()), m_inputTargetDescriptorSets.data());
//Destroy framebuffer images
for (size_t i = 0; i < m_colorImages.size(); i++)
{
Image_vk image = m_colorImages[i];
vkDestroyImageView(m_device, image.view, nullptr);
vkDestroyImage(m_device, image.image, nullptr);
vkFreeMemory(m_device, image.memory, nullptr);
}
//Destroy depth image
vkDestroyImageView(m_device, m_depthImage.view, nullptr);
vkDestroyImage(m_device, m_depthImage.image, nullptr);
vkFreeMemory(m_device, m_depthImage.memory, nullptr);
//Free instance texel buffers
if(m_instanceBlock.buffer != VK_NULL_HANDLE)
DeleteUniformBuffer(m_device, m_instanceBlock);
//Destroy framebuffer
vkDestroyFramebuffer(m_device, m_framebuffer, nullptr);
//Destroy the render pass
vkDestroyRenderPass(m_device, m_renderPass, nullptr);
}
VulkanExampleBase::~VulkanExampleBase()
{
// Clean up Vulkan resources
swapChain.cleanup();
if (descriptorPool != VK_NULL_HANDLE)
{
vkDestroyDescriptorPool(device, descriptorPool, nullptr);
}
if (setupCmdBuffer != VK_NULL_HANDLE)
{
vkFreeCommandBuffers(device, cmdPool, 1, &setupCmdBuffer);
}
destroyCommandBuffers();
vkDestroyRenderPass(device, renderPass, nullptr);
for (uint32_t i = 0; i < frameBuffers.size(); i++)
{
vkDestroyFramebuffer(device, frameBuffers[i], nullptr);
}
for (auto& shaderModule : shaderModules)
{
vkDestroyShaderModule(device, shaderModule, nullptr);
}
vkDestroyImageView(device, depthStencil.view, nullptr);
vkDestroyImage(device, depthStencil.image, nullptr);
vkFreeMemory(device, depthStencil.mem, nullptr);
vkDestroyPipelineCache(device, pipelineCache, nullptr);
if (textureLoader)
{
delete textureLoader;
}
vkDestroyCommandPool(device, cmdPool, nullptr);
vkDestroySemaphore(device, semaphores.presentComplete, nullptr);
vkDestroySemaphore(device, semaphores.renderComplete, nullptr);
vkDestroyDevice(device, nullptr);
if (enableValidation)
{
vkDebug::freeDebugCallback(instance);
}
vkDestroyInstance(instance, nullptr);
#if defined(__linux)
#if defined(__ANDROID__)
// todo : android cleanup (if required)
#else
xcb_destroy_window(connection, window);
xcb_disconnect(connection);
#endif
#endif
}
void vkeGameRendererDynamic::releaseFramebuffer(){
VulkanDC *dc = VulkanDC::Get();
VulkanDC::Device *device = dc->getDefaultDevice();
device->waitIdle();
vkDestroyImageView(device->getVKDevice(), m_depth_attachment.view, NULL);
vkDestroyImageView(device->getVKDevice(), m_color_attachment.view, NULL);
vkDestroyImageView(device->getVKDevice(), m_resolve_attachment[0].view, NULL);
vkDestroyImageView(device->getVKDevice(), m_resolve_attachment[1].view, NULL);
m_depth_attachment.view = NULL;
m_color_attachment.view = NULL;
m_resolve_attachment[0].view = NULL;
m_resolve_attachment[1].view = NULL;
vkDestroyImage(device->getVKDevice(), m_depth_attachment.image, NULL);
vkDestroyImage(device->getVKDevice(), m_color_attachment.image, NULL);
vkDestroyImage(device->getVKDevice(), m_resolve_attachment[0].image, NULL);
vkDestroyImage(device->getVKDevice(), m_resolve_attachment[1].image, NULL);
m_depth_attachment.image = NULL;
m_color_attachment.image = NULL;
m_resolve_attachment[0].image = NULL;
m_resolve_attachment[1].image = NULL;
vkFreeMemory(device->getVKDevice(), m_depth_attachment.memory, NULL);
vkFreeMemory(device->getVKDevice(), m_color_attachment.memory, NULL);
vkFreeMemory(device->getVKDevice(), m_resolve_attachment[0].memory, NULL);
vkFreeMemory(device->getVKDevice(), m_resolve_attachment[1].memory, NULL);
m_depth_attachment.memory = NULL;
m_color_attachment.memory = NULL;
m_resolve_attachment[0].memory = NULL;
m_resolve_attachment[1].memory = NULL;
vkDestroyFramebuffer(device->getVKDevice(), m_framebuffers[0], NULL);
vkDestroyFramebuffer(device->getVKDevice(), m_framebuffers[1], NULL);
m_framebuffers[0] = NULL;
m_framebuffers[1] = NULL;
}
void SwapChain::DestroySwapChainImages()
{
for (const auto& it : m_swap_chain_images)
{
// Images themselves are cleaned up by the swap chain object
vkDestroyFramebuffer(g_vulkan_context->GetDevice(), it.framebuffer, nullptr);
}
m_swap_chain_images.clear();
}
void _agpu_framebuffer::lostReferences()
{
vkDestroyFramebuffer(device->device, framebuffer, nullptr);
vkDestroyRenderPass(device->device, renderPass, nullptr);
for (auto view : attachmentViews)
vkDestroyImageView(device->device, view, nullptr);
for (auto texture : attachmentTextures)
texture->release();
}
void destroy_swapchain_framebuffers(const VulkanBackend& backend, PresentationInfo& presentInfo)
{
for (size_t i = 0; i < presentInfo.framebuffers.size(); i++)
{
vkDestroyImageView(backend.device, presentInfo.imageViews[i], nullptr);
vkDestroyFramebuffer(backend.device, presentInfo.framebuffers[i], nullptr);
}
presentInfo.imageViews.clear();
presentInfo.framebuffers.clear();
}
FrameBuffer::~FrameBuffer()
{
if (VK_NULL_HANDLE == m_FrameBuffer)
{
return;
}
vkDestroyFramebuffer(GetRawDevice(), m_FrameBuffer, nullptr);
m_FrameBuffer = VK_NULL_HANDLE;
VKRHI_METHOD_TRACE
}
void VulkanWindow::FinalizeFrameBuffers()
{
for ( auto& i : mVkFramebuffers )
{
if ( i != VK_NULL_HANDLE )
{
vkDestroyFramebuffer ( mVulkanRenderer.GetDevice(), i, nullptr );
i = VK_NULL_HANDLE;
}
}
}
~VulkanExample()
{
vkDestroyPipeline(device, pipelines.skybox, nullptr);
vkDestroyPipeline(device, pipelines.reflect, nullptr);
vkDestroyPipeline(device, pipelines.composition, nullptr);
vkDestroyPipeline(device, pipelines.bloom[0], nullptr);
vkDestroyPipeline(device, pipelines.bloom[1], nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.models, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.composition, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.bloomFilter, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.models, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.composition, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.bloomFilter, nullptr);
vkDestroySemaphore(device, offscreen.semaphore, nullptr);
vkDestroyRenderPass(device, offscreen.renderPass, nullptr);
vkDestroyRenderPass(device, filterPass.renderPass, nullptr);
vkDestroyFramebuffer(device, offscreen.frameBuffer, nullptr);
vkDestroyFramebuffer(device, filterPass.frameBuffer, nullptr);
vkDestroySampler(device, offscreen.sampler, nullptr);
vkDestroySampler(device, filterPass.sampler, nullptr);
offscreen.depth.destroy(device);
offscreen.color[0].destroy(device);
offscreen.color[1].destroy(device);
filterPass.color[0].destroy(device);
for (auto& model : models.objects) {
model.destroy();
}
models.skybox.destroy();
uniformBuffers.matrices.destroy();
uniformBuffers.params.destroy();
textures.envmap.destroy();
}
void VKFramebuffer::cleanup() {
VulkanCore * instance = VulkanCore::getInstance();
VkDevice device = instance->getDevice();
if(mFramebuffer != 0) {
vkDestroyFramebuffer(device, mFramebuffer, nullptr);
mFramebuffer = 0;
}
if(mCascadeFramebuffer.size() != 0) {
for(int i = 0; i < mCascadeFramebuffer.size(); i++)
vkDestroyFramebuffer(device, mCascadeFramebuffer[i], nullptr);
mCascadeFramebuffer.clear();
}
if(mRenderpass != 0) {
vkDestroyRenderPass(device, mRenderpass, nullptr);
mRenderpass = 0;
}
}
void VulkanExampleBase::windowResize()
{
if (!prepared)
{
return;
}
prepared = false;
// Recreate swap chain
width = destWidth;
height = destHeight;
createSetupCommandBuffer();
setupSwapChain();
// Recreate the frame buffers
vkDestroyImageView(device, depthStencil.view, nullptr);
vkDestroyImage(device, depthStencil.image, nullptr);
vkFreeMemory(device, depthStencil.mem, nullptr);
setupDepthStencil();
for (uint32_t i = 0; i < frameBuffers.size(); i++)
{
vkDestroyFramebuffer(device, frameBuffers[i], nullptr);
}
setupFrameBuffer();
flushSetupCommandBuffer();
// Command buffers need to be recreated as they may store
// references to the recreated frame buffer
destroyCommandBuffers();
createCommandBuffers();
buildCommandBuffers();
vkQueueWaitIdle(queue);
vkDeviceWaitIdle(device);
// Notify derived class
windowResized();
viewChanged();
prepared = true;
}
~VulkanExample()
{
// Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class
// Texture target
textureLoader->destroyTexture(offScreenFrameBuf.textureTarget);
// Frame buffer
// Color attachment
vkDestroyImageView(device, offScreenFrameBuf.color.view, nullptr);
vkDestroyImage(device, offScreenFrameBuf.color.image, nullptr);
vkFreeMemory(device, offScreenFrameBuf.color.mem, nullptr);
// Depth attachment
vkDestroyImageView(device, offScreenFrameBuf.depth.view, nullptr);
vkDestroyImage(device, offScreenFrameBuf.depth.image, nullptr);
vkFreeMemory(device, offScreenFrameBuf.depth.mem, nullptr);
vkDestroyFramebuffer(device, offScreenFrameBuf.frameBuffer, nullptr);
vkDestroyPipeline(device, pipelines.quad, nullptr);
vkDestroyPipeline(device, pipelines.offscreen, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.quad, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.offscreen, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
// Meshes
vkMeshLoader::freeMeshBufferResources(device, &meshes.scene);
vkMeshLoader::freeMeshBufferResources(device, &meshes.quad);
// Uniform buffers
vkTools::destroyUniformData(device, &uniformDataVS);
vkTools::destroyUniformData(device, &uniformDataOffscreenVS);
vkFreeCommandBuffers(device, cmdPool, 1, &offScreenCmdBuffer);
}
~VulkanExample()
{
// Clean up used Vulkan resources
// Note : Inherited destructor cleans up resources stored in base class
// Frame buffer
// Color attachment
vkDestroyImageView(device, offscreenPass.color.view, nullptr);
vkDestroyImage(device, offscreenPass.color.image, nullptr);
vkFreeMemory(device, offscreenPass.color.mem, nullptr);
// Depth attachment
vkDestroyImageView(device, offscreenPass.depth.view, nullptr);
vkDestroyImage(device, offscreenPass.depth.image, nullptr);
vkFreeMemory(device, offscreenPass.depth.mem, nullptr);
vkDestroyRenderPass(device, offscreenPass.renderPass, nullptr);
vkDestroySampler(device, offscreenPass.sampler, nullptr);
vkDestroyFramebuffer(device, offscreenPass.frameBuffer, nullptr);
vkDestroyPipeline(device, pipelines.radialBlur, nullptr);
vkDestroyPipeline(device, pipelines.phongPass, nullptr);
vkDestroyPipeline(device, pipelines.colorPass, nullptr);
vkDestroyPipeline(device, pipelines.offscreenDisplay, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.radialBlur, nullptr);
vkDestroyPipelineLayout(device, pipelineLayouts.scene, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.scene, nullptr);
vkDestroyDescriptorSetLayout(device, descriptorSetLayouts.radialBlur, nullptr);
models.example.destroy();
uniformBuffers.scene.destroy();
uniformBuffers.blurParams.destroy();
textures.gradient.destroy();
}
TextureConverter::~TextureConverter()
{
for (const auto& it : m_palette_conversion_shaders)
{
if (it != VK_NULL_HANDLE)
vkDestroyShaderModule(g_vulkan_context->GetDevice(), it, nullptr);
}
if (m_texel_buffer_view_r8_uint != VK_NULL_HANDLE)
vkDestroyBufferView(g_vulkan_context->GetDevice(), m_texel_buffer_view_r8_uint, nullptr);
if (m_texel_buffer_view_r16_uint != VK_NULL_HANDLE)
vkDestroyBufferView(g_vulkan_context->GetDevice(), m_texel_buffer_view_r16_uint, nullptr);
if (m_texel_buffer_view_r32g32_uint != VK_NULL_HANDLE)
vkDestroyBufferView(g_vulkan_context->GetDevice(), m_texel_buffer_view_r32g32_uint, nullptr);
if (m_texel_buffer_view_rgba8_unorm != VK_NULL_HANDLE)
vkDestroyBufferView(g_vulkan_context->GetDevice(), m_texel_buffer_view_rgba8_unorm, nullptr);
if (m_encoding_render_pass != VK_NULL_HANDLE)
vkDestroyRenderPass(g_vulkan_context->GetDevice(), m_encoding_render_pass, nullptr);
if (m_encoding_render_framebuffer != VK_NULL_HANDLE)
vkDestroyFramebuffer(g_vulkan_context->GetDevice(), m_encoding_render_framebuffer, nullptr);
for (auto& it : m_encoding_shaders)
vkDestroyShaderModule(g_vulkan_context->GetDevice(), it.second, nullptr);
for (const auto& it : m_decoding_pipelines)
{
if (it.second.compute_shader != VK_NULL_HANDLE)
vkDestroyShaderModule(g_vulkan_context->GetDevice(), it.second.compute_shader, nullptr);
}
if (m_rgb_to_yuyv_shader != VK_NULL_HANDLE)
vkDestroyShaderModule(g_vulkan_context->GetDevice(), m_rgb_to_yuyv_shader, nullptr);
if (m_yuyv_to_rgb_shader != VK_NULL_HANDLE)
vkDestroyShaderModule(g_vulkan_context->GetDevice(), m_yuyv_to_rgb_shader, nullptr);
}
VulkanBase::~VulkanBase() {
swapChain.cleanup();
vkDestroyDescriptorPool(device, descriptorPool, nullptr);
if (setupCmdBuffer != VK_NULL_HANDLE)
vkFreeCommandBuffers(device, cmdPool, 1, &setupCmdBuffer);
destroyCommandBuffers();
vkDestroyRenderPass(device, renderPass, nullptr);
for (uint32_t i = 0; i < frameBuffers.size(); i++)
vkDestroyFramebuffer(device, frameBuffers[i], nullptr);
for (auto& shaderModule : shaderModules)
vkDestroyShaderModule(device, shaderModule, nullptr);
vkDestroyImageView(device, depthStencil.view, nullptr);
vkDestroyImage(device, depthStencil.image, nullptr);
vkFreeMemory(device, depthStencil.mem, nullptr);
vkDestroyPipelineCache(device, pipelineCache, nullptr);
if (textureLoader)
delete textureLoader;
vkDestroyCommandPool(device, cmdPool, nullptr);
vkDestroySemaphore(device, semaphores.presentComplete, nullptr);
vkDestroySemaphore(device, semaphores.renderComplete, nullptr);
vkDestroyDevice(device, nullptr);
if (enableValidation)
vkDebug::freeDebugCallback(instance);
vkDestroyInstance(instance, nullptr);
}
void CommandBufferManager::DeferFramebufferDestruction(VkFramebuffer object)
{
FrameResources& resources = m_frame_resources[m_current_frame];
resources.cleanup_resources.push_back(
[object]() { vkDestroyFramebuffer(g_vulkan_context->GetDevice(), object, nullptr); });
}
int main(void) {
VkInstance instance;
{
const char debug_ext[] = "VK_EXT_debug_report";
const char* extensions[] = {debug_ext,};
const char validation_layer[] = "VK_LAYER_LUNARG_standard_validation";
const char* layers[] = {validation_layer,};
VkInstanceCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.pApplicationInfo = NULL,
.enabledLayerCount = NELEMS(layers),
.ppEnabledLayerNames = layers,
.enabledExtensionCount = NELEMS(extensions),
.ppEnabledExtensionNames = extensions,
};
assert(vkCreateInstance(&create_info, NULL, &instance) == VK_SUCCESS);
}
VkDebugReportCallbackEXT debug_callback;
{
VkDebugReportCallbackCreateInfoEXT create_info = {
.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT,
.pNext = NULL,
.flags = (VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT |
VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT),
.pfnCallback = &debugReportCallback,
.pUserData = NULL,
};
PFN_vkCreateDebugReportCallbackEXT createDebugReportCallback =
(PFN_vkCreateDebugReportCallbackEXT) vkGetInstanceProcAddr(instance, "vkCreateDebugReportCallbackEXT");
assert(createDebugReportCallback);
assert(createDebugReportCallback(instance, &create_info, NULL, &debug_callback) == VK_SUCCESS);
}
VkPhysicalDevice phy_device;
{
uint32_t num_devices;
assert(vkEnumeratePhysicalDevices(instance, &num_devices, NULL) == VK_SUCCESS);
assert(num_devices >= 1);
VkPhysicalDevice * phy_devices = malloc(sizeof(*phy_devices) * num_devices);
assert(vkEnumeratePhysicalDevices(instance, &num_devices, phy_devices) == VK_SUCCESS);
phy_device = phy_devices[0];
free(phy_devices);
}
VkPhysicalDeviceMemoryProperties memory_properties;
vkGetPhysicalDeviceMemoryProperties(phy_device, &memory_properties);
VkDevice device;
{
float queue_priorities[] = {1.0};
const char validation_layer[] = "VK_LAYER_LUNARG_standard_validation";
const char* layers[] = {validation_layer,};
uint32_t nqueues;
matchingQueues(phy_device, VK_QUEUE_GRAPHICS_BIT, &nqueues, NULL);
assert(nqueues > 0);
uint32_t * queue_family_idxs = malloc(sizeof(*queue_family_idxs) * nqueues);
matchingQueues(phy_device, VK_QUEUE_GRAPHICS_BIT, &nqueues, queue_family_idxs);
VkDeviceQueueCreateInfo queue_info = {
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.queueFamilyIndex = queue_family_idxs[0],
.queueCount = 1,
.pQueuePriorities = queue_priorities,
};
free(queue_family_idxs);
VkPhysicalDeviceFeatures features = {
.geometryShader = VK_TRUE,
.fillModeNonSolid = VK_TRUE,
};
VkDeviceCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.queueCreateInfoCount = 1,
.pQueueCreateInfos = &queue_info,
.enabledLayerCount = NELEMS(layers),
.ppEnabledLayerNames = layers,
.enabledExtensionCount = 0,
.ppEnabledExtensionNames = NULL,
.pEnabledFeatures = &features,
};
assert(vkCreateDevice(phy_device, &create_info, NULL, &device) == VK_SUCCESS);
}
VkQueue queue;
vkGetDeviceQueue(device, 0, 0, &queue);
VkCommandPool cmd_pool;
{
VkCommandPoolCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.pNext = NULL,
.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
.queueFamilyIndex = 0,
};
assert(vkCreateCommandPool(device, &create_info, NULL, &cmd_pool) == VK_SUCCESS);
}
VkRenderPass render_pass;
{
VkAttachmentDescription attachments[] = {{
.flags = 0,
.format = VK_FORMAT_R8G8B8A8_UNORM,
.samples = VK_SAMPLE_COUNT_8_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.finalLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
}, {
.flags = 0,
.format = VK_FORMAT_D16_UNORM,
.samples = VK_SAMPLE_COUNT_8_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR,
.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
}, {
.flags = 0,
.format = VK_FORMAT_R8G8B8A8_UNORM,
.samples = VK_SAMPLE_COUNT_1_BIT,
.loadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.storeOp = VK_ATTACHMENT_STORE_OP_STORE,
.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE,
.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE,
.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
.finalLayout = VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
}};
VkAttachmentReference attachment_refs[NELEMS(attachments)] = {{
.attachment = 0,
.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
}, {
.attachment = 1,
.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL,
}, {
.attachment = 2,
.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,
}};
VkSubpassDescription subpasses[1] = {{
.flags = 0,
.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS,
.inputAttachmentCount = 0,
.pInputAttachments = NULL,
.colorAttachmentCount = 1,
.pColorAttachments = &attachment_refs[0],
.pResolveAttachments = &attachment_refs[2],
.pDepthStencilAttachment = &attachment_refs[1],
.preserveAttachmentCount = 0,
.pPreserveAttachments = NULL,
}};
VkSubpassDependency dependencies[] = {{
.srcSubpass = 0,
.dstSubpass = VK_SUBPASS_EXTERNAL,
.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
.dstStageMask = VK_PIPELINE_STAGE_TRANSFER_BIT,
.srcAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_READ_BIT,
.dependencyFlags = 0,
}};
VkRenderPassCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.attachmentCount = NELEMS(attachments),
.pAttachments = attachments,
.subpassCount = NELEMS(subpasses),
.pSubpasses = subpasses,
.dependencyCount = NELEMS(dependencies),
.pDependencies = dependencies,
};
assert(vkCreateRenderPass(device, &create_info, NULL, &render_pass) == VK_SUCCESS);
}
VkImage images[3];
VkDeviceMemory image_memories[NELEMS(images)];
VkImageView views[NELEMS(images)];
createFrameImage(memory_properties, device, render_size,
VK_FORMAT_R8G8B8A8_UNORM, VK_SAMPLE_COUNT_8_BIT,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT, VK_IMAGE_ASPECT_COLOR_BIT,
&images[0], &image_memories[0], &views[0]);
createFrameImage(memory_properties, device, render_size,
VK_FORMAT_D16_UNORM, VK_SAMPLE_COUNT_8_BIT,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, VK_IMAGE_ASPECT_DEPTH_BIT,
&images[1], &image_memories[1], &views[1]);
createFrameImage(memory_properties, device, render_size,
VK_FORMAT_R8G8B8A8_UNORM, VK_SAMPLE_COUNT_1_BIT,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
VK_IMAGE_ASPECT_COLOR_BIT,
&images[2], &image_memories[2], &views[2]);
VkBuffer verts_buffer;
VkDeviceMemory verts_memory;
createBuffer(memory_properties, device, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, sizeof(verts), verts, &verts_buffer, &verts_memory);
VkBuffer index_buffer;
VkDeviceMemory index_memory;
createBuffer(memory_properties, device, VK_BUFFER_USAGE_INDEX_BUFFER_BIT, sizeof(indices), indices, &index_buffer, &index_memory);
VkBuffer image_buffer;
VkDeviceMemory image_buffer_memory;
createBuffer(memory_properties, device, VK_BUFFER_USAGE_TRANSFER_DST_BIT, render_size.height * render_size.width * 4, NULL, &image_buffer, &image_buffer_memory);
VkFramebuffer framebuffer;
createFramebuffer(device, render_size, 3, views, render_pass, &framebuffer);
VkShaderModule shaders[5];
{
char* filenames[NELEMS(shaders)] = {"cube.vert.spv", "cube.geom.spv", "cube.frag.spv", "wireframe.geom.spv", "color.frag.spv"};
for (size_t i = 0; i < NELEMS(shaders); i++){
size_t code_size;
uint32_t * code;
assert((code_size = loadModule(filenames[i], &code)) != 0);
VkShaderModuleCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.codeSize = code_size,
.pCode = code,
};
assert(vkCreateShaderModule(device, &create_info, NULL, &shaders[i]) == VK_SUCCESS);
free(code);
}
}
VkPipelineLayout pipeline_layout;
{
VkPushConstantRange push_range = {
.stageFlags = VK_SHADER_STAGE_VERTEX_BIT,
.offset = 0,
.size = 4,
};
VkPipelineLayoutCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.setLayoutCount = 0,
.pSetLayouts = NULL,
.pushConstantRangeCount = 1,
.pPushConstantRanges = &push_range,
};
assert(vkCreatePipelineLayout(device, &create_info, NULL, &pipeline_layout) == VK_SUCCESS);
}
VkPipeline pipelines[2];
{
VkPipelineShaderStageCreateInfo stages[3] = {{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.stage = VK_SHADER_STAGE_VERTEX_BIT,
.module = shaders[0],
.pName = "main",
.pSpecializationInfo = NULL,
},{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.stage = VK_SHADER_STAGE_GEOMETRY_BIT,
.module = shaders[1],
.pName = "main",
.pSpecializationInfo = NULL,
},{
.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.stage = VK_SHADER_STAGE_FRAGMENT_BIT,
.module = shaders[2],
.pName = "main",
.pSpecializationInfo = NULL,
}};
VkVertexInputBindingDescription vtx_binding = {
.binding = 0,
.stride = sizeof(struct Vertex),
.inputRate = VK_VERTEX_INPUT_RATE_VERTEX,
};
VkVertexInputAttributeDescription vtx_attr = {
.location = 0,
.binding = 0,
.format = VK_FORMAT_R32G32B32_SFLOAT,
.offset = offsetof(struct Vertex, pos),
};
VkPipelineVertexInputStateCreateInfo vtx_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.vertexBindingDescriptionCount = 1,
.pVertexBindingDescriptions = &vtx_binding,
.vertexAttributeDescriptionCount = 1,
.pVertexAttributeDescriptions = &vtx_attr,
};
VkPipelineInputAssemblyStateCreateInfo ia_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.topology = VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP,
.primitiveRestartEnable = VK_TRUE,
};
VkViewport viewport = {
.x = 0,
.y = 0,
.width = render_size.width,
.height = render_size.height,
.minDepth = 0.0,
.maxDepth = 1.0,
};
VkRect2D scissor= {
.offset = {.x = 0, .y = 0,},
.extent = render_size,
};
VkPipelineViewportStateCreateInfo viewport_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.viewportCount = 1,
.pViewports = &viewport,
.scissorCount = 1,
.pScissors = &scissor,
};
VkPipelineRasterizationStateCreateInfo rasterization_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.depthClampEnable = VK_FALSE,
.rasterizerDiscardEnable = VK_FALSE,
.polygonMode = VK_POLYGON_MODE_FILL,
.cullMode = VK_CULL_MODE_NONE,
.frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE,
.depthBiasEnable = VK_FALSE,
.lineWidth = 1.0,
};
VkPipelineMultisampleStateCreateInfo multisample_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.rasterizationSamples = VK_SAMPLE_COUNT_8_BIT,
.sampleShadingEnable = VK_FALSE,
.minSampleShading = 0.0,
.pSampleMask = NULL,
.alphaToCoverageEnable = VK_FALSE,
.alphaToOneEnable = VK_FALSE,
};
VkPipelineDepthStencilStateCreateInfo depth_stencil_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.depthTestEnable = VK_TRUE,
.depthWriteEnable = VK_TRUE,
.depthCompareOp = VK_COMPARE_OP_LESS_OR_EQUAL,
.depthBoundsTestEnable = VK_FALSE,
.stencilTestEnable = VK_FALSE,
.front = {},
.back = {},
.minDepthBounds = 0.0,
.maxDepthBounds = 1.0,
};
VkPipelineColorBlendAttachmentState color_blend_attachment = {
.blendEnable = VK_FALSE,
.colorWriteMask = ( VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT
| VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT),
};
VkPipelineColorBlendStateCreateInfo color_blend_state = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.logicOpEnable = VK_FALSE, //.logicOp = 0,
.attachmentCount = 1,
.pAttachments = &color_blend_attachment,
.blendConstants = {},
};
VkGraphicsPipelineCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,
.pNext = NULL,
.flags = 0,
.stageCount = NELEMS(stages),
.pStages = stages,
.pVertexInputState = &vtx_state,
.pInputAssemblyState = &ia_state,
.pTessellationState = NULL,
.pViewportState = &viewport_state,
.pRasterizationState = &rasterization_state,
.pMultisampleState = &multisample_state,
.pDepthStencilState = &depth_stencil_state,
.pColorBlendState = &color_blend_state,
.pDynamicState = NULL,
.layout = pipeline_layout,
.renderPass = render_pass,
.subpass = 0,
.basePipelineHandle = VK_NULL_HANDLE,
.basePipelineIndex = 0,
};
assert(vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &create_info, NULL, &pipelines[0]) == VK_SUCCESS);
stages[1].module = shaders[3];
stages[2].module = shaders[4];
rasterization_state.polygonMode = VK_POLYGON_MODE_LINE;
assert(vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &create_info, NULL, &pipelines[1]) == VK_SUCCESS);
}
VkCommandBuffer draw_buffers[2];
{
VkCommandBufferAllocateInfo allocate_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.pNext = NULL,
.commandPool = cmd_pool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = NELEMS(draw_buffers),
};
assert(vkAllocateCommandBuffers(device, &allocate_info, draw_buffers) == VK_SUCCESS);
}
{
VkCommandBufferBeginInfo begin_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
.pNext = NULL,
.flags = 0,
.pInheritanceInfo = NULL,
};
VkClearValue clear_values[] = {{
.color.float32 = {0.0, 0.0, 0.0, 1.0},
}, {
.depthStencil = {.depth = 1.0},
}};
VkRenderPassBeginInfo renderpass_begin_info = {
.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
.pNext = NULL,
.renderPass = render_pass,
.framebuffer = framebuffer,
.renderArea = {
.offset = {.x = 0, .y = 0},
.extent = render_size,
},
.clearValueCount = NELEMS(clear_values),
.pClearValues = clear_values,
};
for (size_t i = 0; i < NELEMS(draw_buffers); i++){
assert(vkBeginCommandBuffer(draw_buffers[i], &begin_info) == VK_SUCCESS);
uint32_t persp = i == 0;
vkCmdPushConstants(draw_buffers[i], pipeline_layout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(persp), &persp);
vkCmdBeginRenderPass(draw_buffers[i], &renderpass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
VkDeviceSize offset = 0;
vkCmdBindVertexBuffers(draw_buffers[i], 0, 1, &verts_buffer, &offset);
vkCmdBindIndexBuffer(draw_buffers[i], index_buffer, 0, VK_INDEX_TYPE_UINT32);
for (size_t j = 0; j < NELEMS(pipelines); j++) {
vkCmdBindPipeline(draw_buffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines[j]);
vkCmdDrawIndexed(draw_buffers[i], 20, 27, 0, 0, 0);
}
vkCmdEndRenderPass(draw_buffers[i]);
}
VkBufferImageCopy copy = {
.bufferOffset = 0,
.bufferRowLength = 0, // Tightly packed
.bufferImageHeight = 0, // Tightly packed
.imageSubresource = {VK_IMAGE_ASPECT_COLOR_BIT, 0, 0, 1},
.imageOffset = {0, 0, 0},
.imageExtent = {.width = render_size.width,
.height = render_size.height,
.depth = 1},
};
VkBufferMemoryBarrier transfer_barrier = {
.sType = VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,
.pNext = 0,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_HOST_READ_BIT,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.buffer = image_buffer,
.offset = 0,
.size = VK_WHOLE_SIZE,
};
for (size_t i = 0; i < NELEMS(draw_buffers); i++){
vkCmdCopyImageToBuffer(draw_buffers[i], images[2], VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, image_buffer, 1, ©);
vkCmdPipelineBarrier(draw_buffers[i], VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, 0, 0, NULL, 1, &transfer_barrier, 0, NULL);
assert(vkEndCommandBuffer(draw_buffers[i]) == VK_SUCCESS);
}
}
VkFence fence;
{
VkFenceCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
.pNext = 0,
.flags = 0,
};
assert(vkCreateFence(device, &create_info, NULL, &fence) == VK_SUCCESS);
}
{
char * filenames[] = {"cube_persp.tif", "cube_ortho.tif"};
char * image_data;
assert(vkMapMemory(device, image_buffer_memory, 0, VK_WHOLE_SIZE, 0, (void **) &image_data) == VK_SUCCESS);
VkMappedMemoryRange image_flush = {
.sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, .pNext = NULL,
.memory = image_buffer_memory,
.offset = 0,
.size = VK_WHOLE_SIZE,
};
VkSubmitInfo submit_info = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = NULL,
.waitSemaphoreCount = 0,
.pWaitSemaphores = NULL,
.pWaitDstStageMask = NULL,
.commandBufferCount = 1,
.pCommandBuffers = NULL,
.signalSemaphoreCount = 0,
.pSignalSemaphores = NULL,
};
for (size_t i = 0; i < NELEMS(filenames); i++){
submit_info.pCommandBuffers = &draw_buffers[i];
assert(vkResetFences(device, 1, &fence) == VK_SUCCESS);
assert(vkQueueSubmit(queue, 1, &submit_info, fence) == VK_SUCCESS);
assert(vkWaitForFences(device, 1, &fence, VK_TRUE, UINT64_MAX) == VK_SUCCESS);
assert(vkInvalidateMappedMemoryRanges(device, 1, &image_flush) == VK_SUCCESS);
assert(writeTiff(filenames[i], image_data, render_size, nchannels) == 0);
}
vkUnmapMemory(device, image_buffer_memory);
}
assert(vkQueueWaitIdle(queue) == VK_SUCCESS);
vkDestroyFence(device, fence, NULL);
vkDestroyFramebuffer(device, framebuffer, NULL);
for (size_t i = 0; i < NELEMS(images); i++){
vkDestroyImage(device, images[i], NULL);
vkDestroyImageView(device, views[i], NULL);
vkFreeMemory(device, image_memories[i], NULL);
}
vkDestroyBuffer(device, image_buffer, NULL);
vkFreeMemory(device, image_buffer_memory, NULL);
vkDestroyBuffer(device, verts_buffer, NULL);
vkFreeMemory(device, verts_memory, NULL);
vkDestroyBuffer(device, index_buffer, NULL);
vkFreeMemory(device, index_memory, NULL);
for (size_t i = 0; i < NELEMS(pipelines); i++){
vkDestroyPipeline(device, pipelines[i], NULL);
}
vkDestroyPipelineLayout(device, pipeline_layout, NULL);
for(size_t i = 0; i < NELEMS(shaders); i++)
vkDestroyShaderModule(device, shaders[i], NULL);
vkDestroyRenderPass(device, render_pass, NULL);
vkFreeCommandBuffers(device, cmd_pool, NELEMS(draw_buffers), draw_buffers);
vkDestroyCommandPool(device, cmd_pool, NULL);
vkDestroyDevice(device, NULL);
{
PFN_vkDestroyDebugReportCallbackEXT destroyDebugReportCallback =
(PFN_vkDestroyDebugReportCallbackEXT) vkGetInstanceProcAddr(instance, "vkDestroyDebugReportCallbackEXT");
assert(destroyDebugReportCallback);
destroyDebugReportCallback(instance, debug_callback, NULL);
}
vkDestroyInstance(instance, NULL);
return 0;
}
void VulkanDeleteList::PerformDeletes(VkDevice device) {
for (auto &cmdPool : cmdPools_) {
vkDestroyCommandPool(device, cmdPool, nullptr);
}
cmdPools_.clear();
for (auto &descPool : descPools_) {
vkDestroyDescriptorPool(device, descPool, nullptr);
}
descPools_.clear();
for (auto &module : modules_) {
vkDestroyShaderModule(device, module, nullptr);
}
modules_.clear();
for (auto &buf : buffers_) {
vkDestroyBuffer(device, buf, nullptr);
}
buffers_.clear();
for (auto &bufView : bufferViews_) {
vkDestroyBufferView(device, bufView, nullptr);
}
bufferViews_.clear();
for (auto &image : images_) {
vkDestroyImage(device, image, nullptr);
}
images_.clear();
for (auto &imageView : imageViews_) {
vkDestroyImageView(device, imageView, nullptr);
}
imageViews_.clear();
for (auto &mem : deviceMemory_) {
vkFreeMemory(device, mem, nullptr);
}
deviceMemory_.clear();
for (auto &sampler : samplers_) {
vkDestroySampler(device, sampler, nullptr);
}
samplers_.clear();
for (auto &pipeline : pipelines_) {
vkDestroyPipeline(device, pipeline, nullptr);
}
pipelines_.clear();
for (auto &pcache : pipelineCaches_) {
vkDestroyPipelineCache(device, pcache, nullptr);
}
pipelineCaches_.clear();
for (auto &renderPass : renderPasses_) {
vkDestroyRenderPass(device, renderPass, nullptr);
}
renderPasses_.clear();
for (auto &framebuffer : framebuffers_) {
vkDestroyFramebuffer(device, framebuffer, nullptr);
}
framebuffers_.clear();
for (auto &pipeLayout : pipelineLayouts_) {
vkDestroyPipelineLayout(device, pipeLayout, nullptr);
}
pipelineLayouts_.clear();
for (auto &descSetLayout : descSetLayouts_) {
vkDestroyDescriptorSetLayout(device, descSetLayout, nullptr);
}
descSetLayouts_.clear();
for (auto &callback : callbacks_) {
callback.func(callback.userdata);
}
callbacks_.clear();
}
//==============================================================================
// Vulkan破棄
//==============================================================================
void destroyVulkan()
{
for(auto& frameBuffer : g_frameBuffers)
{
vkDestroyFramebuffer(g_VulkanDevice, frameBuffer, nullptr);
}
if(g_depthBufferTexture.view)
{
vkDestroyImageView(g_VulkanDevice, g_depthBufferTexture.view, nullptr);
}
if(g_depthBufferTexture.image)
{
vkDestroyImage(g_VulkanDevice, g_depthBufferTexture.image, nullptr);
}
if(g_depthBufferTexture.memory)
{
vkFreeMemory(g_VulkanDevice, g_depthBufferTexture.memory, nullptr);
}
if(g_commandBuffers.empty() == false)
{
vkFreeCommandBuffers(g_VulkanDevice, g_VulkanCommandPool, SWAP_CHAIN_COUNT, g_commandBuffers.data());
}
if(g_VulkanCommandPool)
{
vkDestroyCommandPool(g_VulkanDevice, g_VulkanCommandPool, nullptr);
}
if(g_VulkanSemahoreRenderComplete)
{
vkDestroySemaphore(g_VulkanDevice, g_VulkanSemahoreRenderComplete, nullptr);
}
if(g_VulkanFence)
{
vkDestroyFence(g_VulkanDevice, g_VulkanFence, nullptr);
}
if(g_VulkanSwapChain)
{
vkDestroySwapchainKHR(g_VulkanDevice, g_VulkanSwapChain, nullptr);
}
if(g_VulkanSurface)
{
vkDestroySurfaceKHR(g_VulkanInstance, g_VulkanSurface, nullptr);
}
if(g_VulkanDevice)
{
vkDestroyDevice(g_VulkanDevice, nullptr);
}
if(g_VulkanInstance)
{
vkDestroyInstance(g_VulkanInstance, nullptr);
}
g_frameBuffers.clear();
g_commandBuffers.clear();
g_VulkanSurface = nullptr;
g_VulkanSwapChain = nullptr;
g_VulkanCommandPool = nullptr;
g_VulkanSemahoreRenderComplete = nullptr;
g_VulkanFence = nullptr;
g_VulkanQueue = nullptr;
g_VulkanDevice = nullptr;
g_VulkanInstance = nullptr;
}
void Renderer::_DeInitFramebuffers() {
for (size_t i = 0; i < _window->getSwapchainImageViews().size(); i++) {
vkDestroyFramebuffer(_device, _swapchain_framebuffers[i], nullptr);
_swapchain_framebuffers[i] = nullptr;
}
}
/**
* 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;
}
static void resize_vulkan(GLFWwindow* /*window*/, int w, int h)
{
VkResult err;
VkSwapchainKHR old_swapchain = g_Swapchain;
err = vkDeviceWaitIdle(g_Device);
check_vk_result(err);
// Destroy old Framebuffer:
for (uint32_t i = 0; i < g_BackBufferCount; i++)
if (g_BackBufferView[i])
vkDestroyImageView(g_Device, g_BackBufferView[i], g_Allocator);
for (uint32_t i = 0; i < g_BackBufferCount; i++)
if (g_Framebuffer[i])
vkDestroyFramebuffer(g_Device, g_Framebuffer[i], g_Allocator);
if (g_RenderPass)
vkDestroyRenderPass(g_Device, g_RenderPass, g_Allocator);
// Create Swapchain:
{
VkSwapchainCreateInfoKHR info = {};
info.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR;
info.surface = g_Surface;
info.imageFormat = g_SurfaceFormat.format;
info.imageColorSpace = g_SurfaceFormat.colorSpace;
info.imageArrayLayers = 1;
info.imageUsage |= VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
info.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.preTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
info.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
info.presentMode = g_PresentMode;
info.clipped = VK_TRUE;
info.oldSwapchain = old_swapchain;
VkSurfaceCapabilitiesKHR cap;
err = vkGetPhysicalDeviceSurfaceCapabilitiesKHR(g_Gpu, g_Surface, &cap);
check_vk_result(err);
if (cap.maxImageCount > 0)
info.minImageCount = (cap.minImageCount + 2 < cap.maxImageCount) ? (cap.minImageCount + 2) : cap.maxImageCount;
else
info.minImageCount = cap.minImageCount + 2;
if (cap.currentExtent.width == 0xffffffff)
{
fb_width = w;
fb_height = h;
info.imageExtent.width = fb_width;
info.imageExtent.height = fb_height;
}
else
{
fb_width = cap.currentExtent.width;
fb_height = cap.currentExtent.height;
info.imageExtent.width = fb_width;
info.imageExtent.height = fb_height;
}
err = vkCreateSwapchainKHR(g_Device, &info, g_Allocator, &g_Swapchain);
check_vk_result(err);
err = vkGetSwapchainImagesKHR(g_Device, g_Swapchain, &g_BackBufferCount, NULL);
check_vk_result(err);
err = vkGetSwapchainImagesKHR(g_Device, g_Swapchain, &g_BackBufferCount, g_BackBuffer);
check_vk_result(err);
}
if (old_swapchain)
vkDestroySwapchainKHR(g_Device, old_swapchain, g_Allocator);
// Create the Render Pass:
{
VkAttachmentDescription attachment = {};
attachment.format = g_SurfaceFormat.format;
attachment.samples = VK_SAMPLE_COUNT_1_BIT;
attachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
attachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
attachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
attachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
attachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
attachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
VkAttachmentReference color_attachment = {};
color_attachment.attachment = 0;
color_attachment.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass = {};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &color_attachment;
VkRenderPassCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
info.attachmentCount = 1;
info.pAttachments = &attachment;
info.subpassCount = 1;
info.pSubpasses = &subpass;
err = vkCreateRenderPass(g_Device, &info, g_Allocator, &g_RenderPass);
check_vk_result(err);
}
// Create The Image Views
{
VkImageViewCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
info.viewType = VK_IMAGE_VIEW_TYPE_2D;
info.format = g_SurfaceFormat.format;
info.components.r = VK_COMPONENT_SWIZZLE_R;
info.components.g = VK_COMPONENT_SWIZZLE_G;
info.components.b = VK_COMPONENT_SWIZZLE_B;
info.components.a = VK_COMPONENT_SWIZZLE_A;
info.subresourceRange = g_ImageRange;
for (uint32_t i = 0; i < g_BackBufferCount; i++)
{
info.image = g_BackBuffer[i];
err = vkCreateImageView(g_Device, &info, g_Allocator, &g_BackBufferView[i]);
check_vk_result(err);
}
}
// Create Framebuffer:
{
VkImageView attachment[1];
VkFramebufferCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO;
info.renderPass = g_RenderPass;
info.attachmentCount = 1;
info.pAttachments = attachment;
info.width = fb_width;
info.height = fb_height;
info.layers = 1;
for (uint32_t i = 0; i < g_BackBufferCount; i++)
{
attachment[0] = g_BackBufferView[i];
err = vkCreateFramebuffer(g_Device, &info, g_Allocator, &g_Framebuffer[i]);
check_vk_result(err);
}
}
}
/**
* Good ol' main function.
*/
int main(int argc, char* argv[])
{
static int windowWidth = 800;
static int windowHeight = 600;
static const char * applicationName = "SdlVulkanDemo_03_double_buffering";
static const char * engineName = applicationName;
bool boolResult;
VkResult result;
/*
* SDL2 Initialization
*/
SDL_Window *mySdlWindow;
SDL_SysWMinfo mySdlSysWmInfo;
boolResult = vkdemos::utils::sdl2Initialization(applicationName, windowWidth, windowHeight, mySdlWindow, mySdlSysWmInfo);
assert(boolResult);
/*
* Vulkan initialization.
*/
std::vector<const char *> layersNamesToEnable;
layersNamesToEnable.push_back("VK_LAYER_LUNARG_standard_validation");
std::vector<const char *> extensionsNamesToEnable;
extensionsNamesToEnable.push_back(VK_KHR_SURFACE_EXTENSION_NAME);
extensionsNamesToEnable.push_back(VK_EXT_DEBUG_REPORT_EXTENSION_NAME);
extensionsNamesToEnable.push_back(VK_KHR_XCB_SURFACE_EXTENSION_NAME); // TODO: add support for other windowing systems
VkInstance myInstance;
boolResult = vkdemos::createVkInstance(layersNamesToEnable, extensionsNamesToEnable, applicationName, engineName, myInstance);
assert(boolResult);
VkDebugReportCallbackEXT myDebugReportCallback;
vkdemos::createDebugReportCallback(myInstance,
VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT | VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT | VK_DEBUG_REPORT_DEBUG_BIT_EXT,
vkdemos::debugCallback,
myDebugReportCallback
);
VkPhysicalDevice myPhysicalDevice;
boolResult = vkdemos::chooseVkPhysicalDevice(myInstance, 0, myPhysicalDevice);
assert(boolResult);
VkSurfaceKHR mySurface;
boolResult = vkdemos::createVkSurface(myInstance, mySdlSysWmInfo, mySurface);
assert(boolResult);
VkDevice myDevice;
VkQueue myQueue;
uint32_t myQueueFamilyIndex;
boolResult = vkdemos::createVkDeviceAndVkQueue(myPhysicalDevice, mySurface, layersNamesToEnable, myDevice, myQueue, myQueueFamilyIndex);
assert(boolResult);
VkSwapchainKHR mySwapchain;
VkFormat mySurfaceFormat;
boolResult = vkdemos::createVkSwapchain(myPhysicalDevice, myDevice, mySurface, windowWidth, windowHeight, FRAME_LAG, VK_NULL_HANDLE, mySwapchain, mySurfaceFormat);
assert(boolResult);
std::vector<VkImage> mySwapchainImagesVector;
std::vector<VkImageView> mySwapchainImageViewsVector;
boolResult = vkdemos::getSwapchainImagesAndViews(myDevice, mySwapchain, mySurfaceFormat, mySwapchainImagesVector, mySwapchainImageViewsVector);
assert(boolResult);
VkCommandPool myCommandPool;
boolResult = vkdemos::createCommandPool(myDevice, myQueueFamilyIndex, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, myCommandPool);
assert(boolResult);
VkCommandBuffer myCmdBufferInitialization;
boolResult = vkdemos::allocateCommandBuffer(myDevice, myCommandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, myCmdBufferInitialization);
assert(boolResult);
/*
* Initializations from Demo 02 (Triangle).
*/
VkPhysicalDeviceMemoryProperties myMemoryProperties;
vkGetPhysicalDeviceMemoryProperties(myPhysicalDevice, &myMemoryProperties);
// Create the Depth Buffer's Image and View.
const VkFormat myDepthBufferFormat = VK_FORMAT_D16_UNORM;
VkImage myDepthImage;
VkImageView myDepthImageView;
VkDeviceMemory myDepthMemory;
boolResult = vkdemos::createAndAllocateImage(myDevice,
myMemoryProperties,
VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
0,
myDepthBufferFormat,
windowWidth,
windowHeight,
myDepthImage,
myDepthMemory,
&myDepthImageView,
VK_IMAGE_ASPECT_DEPTH_BIT
);
assert(boolResult);
// Create the renderpass.
VkRenderPass myRenderPass;
boolResult = demo02CreateRenderPass(myDevice, mySurfaceFormat, myDepthBufferFormat, myRenderPass);
assert(boolResult);
// Create the Framebuffers, based on the number of swapchain images.
std::vector<VkFramebuffer> myFramebuffersVector;
myFramebuffersVector.reserve(mySwapchainImageViewsVector.size());
for(const auto view : mySwapchainImageViewsVector) {
VkFramebuffer fb;
boolResult = vkdemos::utils::createFramebuffer(myDevice, myRenderPass, {view, myDepthImageView}, windowWidth, windowHeight, fb);
assert(boolResult);
myFramebuffersVector.push_back(fb);
}
// Create a buffer to use as the vertex buffer.
const size_t vertexBufferSize = sizeof(TriangleDemoVertex)*NUM_DEMO_VERTICES;
VkBuffer myVertexBuffer;
VkDeviceMemory myVertexBufferMemory;
boolResult = vkdemos::createAndAllocateBuffer(myDevice,
myMemoryProperties,
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,
VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT,
vertexBufferSize,
myVertexBuffer,
myVertexBufferMemory
);
assert(boolResult);
// Map vertex buffer and insert data
{
void *mappedBuffer;
result = vkMapMemory(myDevice, myVertexBufferMemory, 0, VK_WHOLE_SIZE, 0, &mappedBuffer);
assert(result == VK_SUCCESS);
memcpy(mappedBuffer, vertices, vertexBufferSize);
vkUnmapMemory(myDevice, myVertexBufferMemory);
}
// Create the pipeline.
const VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo = {
.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.setLayoutCount = 0,
.pSetLayouts = nullptr,
.pushConstantRangeCount = 0,
.pPushConstantRanges = nullptr,
};
VkPipelineLayout myPipelineLayout;
result = vkCreatePipelineLayout(myDevice, &pipelineLayoutCreateInfo, nullptr, &myPipelineLayout);
assert(result == VK_SUCCESS);
// Create Pipeline.
VkPipeline myGraphicsPipeline;
boolResult = demo02CreatePipeline(myDevice, myRenderPass, myPipelineLayout, VERTEX_SHADER_FILENAME, FRAGMENT_SHADER_FILENAME, VERTEX_INPUT_BINDING, myGraphicsPipeline);
assert(boolResult);
/*
* In the PerFrameData struct we group all the objects that are used in a single frame, and that
* must remain valid for the duration of that frame.
*
*/
PerFrameData perFrameDataVector[FRAME_LAG];
for(int i = 0; i < FRAME_LAG; i++)
{
boolResult = vkdemos::allocateCommandBuffer(myDevice, myCommandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY, perFrameDataVector[i].presentCmdBuffer);
assert(boolResult);
result = vkdemos::utils::createFence(myDevice, perFrameDataVector[i].presentFence);
assert(result == VK_SUCCESS);
result = vkdemos::utils::createSemaphore(myDevice, perFrameDataVector[i].imageAcquiredSemaphore);
assert(result == VK_SUCCESS);
result = vkdemos::utils::createSemaphore(myDevice, perFrameDataVector[i].renderingCompletedSemaphore);
assert(result == VK_SUCCESS);
perFrameDataVector[i].fenceInitialized = false;
}
/*
* Generation and submission of the initialization commands' command buffer.
*/
// We fill the initialization command buffer with... the initialization commands.
boolResult = demo02FillInitializationCommandBuffer(myCmdBufferInitialization, myDepthImage);
assert(boolResult);
// We now submit the command buffer to the queue we created before, and we wait
// for its completition.
VkSubmitInfo submitInfo = {
.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
.pNext = nullptr,
.waitSemaphoreCount = 0,
.pWaitSemaphores = nullptr,
.pWaitDstStageMask = nullptr,
.commandBufferCount = 1,
.pCommandBuffers = &myCmdBufferInitialization,
.signalSemaphoreCount = 0,
.pSignalSemaphores = nullptr
};
result = vkQueueSubmit(myQueue, 1, &submitInfo, VK_NULL_HANDLE);
assert(result == VK_SUCCESS);
// Wait for the queue to complete its work.
result = vkQueueWaitIdle(myQueue);
assert(result == VK_SUCCESS);
/*
* Event loop
*/
SDL_Event sdlEvent;
bool quit = false;
// Just some variables for frame statistics
long frameNumber = 0;
long frameMaxTime = LONG_MIN;
long frameMinTime = LONG_MAX;
long frameAvgTimeSum = 0;
long frameAvgTimeSumSquare = 0;
constexpr long FRAMES_PER_STAT = 120; // How many frames to wait before printing frame time statistics.
// The main event/render loop.
while(!quit)
{
// Process events for this frame
while(SDL_PollEvent(&sdlEvent))
{
if (sdlEvent.type == SDL_QUIT) {
quit = true;
}
if (sdlEvent.type == SDL_KEYDOWN && sdlEvent.key.keysym.sym == SDLK_ESCAPE) {
quit = true;
}
}
// Rendering code
if(!quit)
{
// Render a single frame
auto renderStartTime = std::chrono::high_resolution_clock::now();
quit = !demo03RenderSingleFrame(myDevice, myQueue, mySwapchain, myFramebuffersVector, myRenderPass, myGraphicsPipeline, myVertexBuffer, VERTEX_INPUT_BINDING, perFrameDataVector[frameNumber % FRAME_LAG], windowWidth, windowHeight);
auto renderStopTime = std::chrono::high_resolution_clock::now();
// Compute frame time statistics
auto elapsedTimeUs = std::chrono::duration_cast<std::chrono::microseconds>(renderStopTime - renderStartTime).count();
frameMaxTime = std::max(frameMaxTime, elapsedTimeUs);
frameMinTime = std::min(frameMinTime, elapsedTimeUs);
frameAvgTimeSum += elapsedTimeUs;
frameAvgTimeSumSquare += elapsedTimeUs*elapsedTimeUs;
// Print statistics if necessary
if(frameNumber % FRAMES_PER_STAT == 0)
{
auto average = frameAvgTimeSum/FRAMES_PER_STAT;
auto stddev = std::sqrt(frameAvgTimeSumSquare/FRAMES_PER_STAT - average*average);
std::cout << "Frame time: average " << std::setw(6) << average
<< " us, maximum " << std::setw(6) << frameMaxTime
<< " us, minimum " << std::setw(6) << frameMinTime
<< " us, stddev " << (long)stddev
<< " (" << std::fixed << std::setprecision(2) << (stddev/average * 100.0f) << "%)"
<< std::endl;
frameMaxTime = LONG_MIN;
frameMinTime = LONG_MAX;
frameAvgTimeSum = 0;
frameAvgTimeSumSquare = 0;
}
frameNumber++;
}
}
/*
* Deinitialization
*/
// We wait for pending operations to complete before starting to destroy stuff.
result = vkQueueWaitIdle(myQueue);
assert(result == VK_SUCCESS);
// Destroy the objects in the perFrameDataVector array.
for(int i = 0; i < FRAME_LAG; i++)
{
vkDestroyFence(myDevice, perFrameDataVector[i].presentFence, nullptr);
vkDestroySemaphore(myDevice, perFrameDataVector[i].imageAcquiredSemaphore, nullptr);
vkDestroySemaphore(myDevice, perFrameDataVector[i].renderingCompletedSemaphore, nullptr);
}
/*
* For more informations on the following commands, refer to Demo 02.
*/
vkDestroyPipeline(myDevice, myGraphicsPipeline, nullptr);
vkDestroyPipelineLayout(myDevice, myPipelineLayout, nullptr);
vkDestroyBuffer(myDevice, myVertexBuffer, nullptr);
vkFreeMemory(myDevice, myVertexBufferMemory, nullptr);
for(auto framebuffer : myFramebuffersVector)
vkDestroyFramebuffer(myDevice, framebuffer, nullptr);
vkDestroyRenderPass(myDevice, myRenderPass, nullptr);
vkDestroyImageView(myDevice, myDepthImageView, nullptr);
vkDestroyImage(myDevice, myDepthImage, nullptr);
vkFreeMemory(myDevice, myDepthMemory, nullptr);
/*
* For more informations on the following commands, refer to Demo 01.
*/
vkDestroyCommandPool(myDevice, myCommandPool, nullptr);
for(auto imgView : mySwapchainImageViewsVector)
vkDestroyImageView(myDevice, imgView, nullptr);
vkDestroySwapchainKHR(myDevice, mySwapchain, nullptr);
vkDestroyDevice(myDevice, nullptr);
vkDestroySurfaceKHR(myInstance, mySurface, nullptr);
vkdemos::destroyDebugReportCallback(myInstance, myDebugReportCallback);
vkDestroyInstance(myInstance, nullptr);
SDL_DestroyWindow(mySdlWindow);
SDL_Quit();
return 0;
}
