/*
=============
R_DrawViewModel -- johnfitz -- gutted
=============
*/
void R_DrawViewModel (void)
{
if (!r_drawviewmodel.value || !r_drawentities.value || chase_active.value)
return;
if (cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0)
return;
currententity = &cl.viewent;
if (!currententity->model)
return;
//johnfitz -- this fixes a crash
if (currententity->model->type != mod_alias)
return;
//johnfitz
// hack the depth range to prevent view model from poking into walls
VkViewport viewport;
viewport.x = 0;
viewport.y = 0;
viewport.width = vid.width;
viewport.height = vid.height;
viewport.minDepth = 0.0f;
viewport.maxDepth = 0.3f;
vkCmdSetViewport(vulkan_globals.command_buffer, 0, 1, &viewport);
R_DrawAliasModel (currententity);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(vulkan_globals.command_buffer, 0, 1, &viewport);
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = { {0.5f, 0.5f, 0.5f, 0.0f} };
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport(splitScreen ? (float)width / 2.0f : (float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdSetLineWidth(drawCmdBuffers[i], 1.0f);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &meshes.object.vertices.buf, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], meshes.object.indices.buf, 0, VK_INDEX_TYPE_UINT32);
if (splitScreen)
{
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLeft);
vkCmdDrawIndexed(drawCmdBuffers[i], meshes.object.indexCount, 1, 0, 0, 0);
viewport.x = float(width) / 2;
}
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineRight);
vkCmdDrawIndexed(drawCmdBuffers[i], meshes.object.indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
VkResult err;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
err = vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo);
assert(!err);
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport(
(float)width,
(float)height,
0.0f,
1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(
width,
height,
0,
0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
VkDeviceSize offsets[1] = { 0 };
// Bind mesh vertex buffer
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &mesh.vertices.buf, offsets);
// Bind mesh index buffer
vkCmdBindIndexBuffer(drawCmdBuffers[i], mesh.indices.buf, 0, VK_INDEX_TYPE_UINT32);
// Render mesh vertex buffer using it's indices
vkCmdDrawIndexed(drawCmdBuffers[i], mesh.indices.count, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
err = vkEndCommandBuffer(drawCmdBuffers[i]);
assert(!err);
}
}
void VulkanTexturedQuad::RenderImpl(VkCommandBuffer commandBuffer)
{
VulkanSample::RenderImpl(commandBuffer);
VkViewport viewports [1] = {};
viewports [0].width = static_cast<float> (window_->GetWidth ());
viewports [0].height = static_cast<float> (window_->GetHeight ());
viewports [0].minDepth = 0;
viewports [0].maxDepth = 1;
vkCmdSetViewport (commandBuffer, 0, 1, viewports);
VkRect2D scissors [1] = {};
scissors [0].extent.width = window_->GetWidth ();
scissors [0].extent.height = window_->GetHeight ();
vkCmdSetScissor (commandBuffer, 0, 1, scissors);
vkCmdBindPipeline(commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
pipeline_);
VkDeviceSize offsets[] = { 0 };
vkCmdBindIndexBuffer(commandBuffer, indexBuffer_, 0, VK_INDEX_TYPE_UINT32);
vkCmdBindVertexBuffers(commandBuffer, 0, 1, &vertexBuffer_, offsets);
vkCmdBindDescriptorSets (commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
pipelineLayout_, 0, 1, &descriptorSet_, 0, nullptr);
vkCmdDrawIndexed(commandBuffer, 6, 1, 0, 0, 0);
}
bool game_buffer_editor_record_vulkan_commands(game_buffer *game_buffer, vulkan *vulkan) {
game_buffer_editor *editor = game_buffer->editor;
ImDrawData *draw_data = ImGui::GetDrawData();
VkResult vk_result = {};
{
uint64 vertices_size = draw_data->TotalVtxCount * sizeof(ImDrawVert);
uint64 indices_size = draw_data->TotalIdxCount * sizeof(ImDrawIdx);
uint64 map_size = round_to_multi(vertices_size + indices_size, vulkan->physical_device_non_coherent_atom_size);
assert(map_size <= editor->imgui_vertex_index_vulkan_buffer.size);
uint8 *buf_ptr = nullptr;
if ((vk_result = vkMapMemory(vulkan->device, editor->imgui_vertex_index_vulkan_buffer.device_memory, 0, map_size, 0, (void **)&buf_ptr)) != VK_SUCCESS) {
return false;
}
assert((uintptr_t)buf_ptr % 16 == 0);
for (int i = 0; i < draw_data->CmdListsCount; i += 1) {
ImDrawList *dlist = draw_data->CmdLists[i];
memcpy(buf_ptr, dlist->VtxBuffer.Data, dlist->VtxBuffer.Size * sizeof(ImDrawVert));
buf_ptr += dlist->VtxBuffer.Size * sizeof(ImDrawVert);
}
for (int i = 0; i < draw_data->CmdListsCount; i += 1) {
ImDrawList *dlist = draw_data->CmdLists[i];
memcpy(buf_ptr, dlist->IdxBuffer.Data, dlist->IdxBuffer.Size * sizeof(ImDrawIdx));
buf_ptr += dlist->IdxBuffer.Size * sizeof(ImDrawIdx);
}
VkMappedMemoryRange memory_range = { VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE };
memory_range.memory = editor->imgui_vertex_index_vulkan_buffer.device_memory;
memory_range.offset = map_size;
if ((vk_result = vkFlushMappedMemoryRanges(vulkan->device, 1, &memory_range)) != VK_SUCCESS) {
return false;
}
vkUnmapMemory(vulkan->device, editor->imgui_vertex_index_vulkan_buffer.device_memory);
}
vkCmdBindPipeline(vulkan->swap_chain_cmd_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, editor->imgui_vulkan_pipeline);
VkViewport viewport = { 0, 0, (float)game_buffer->vulkan_framebuffer_image_width, (float)game_buffer->vulkan_framebuffer_image_height, 0, 1 };
vkCmdSetViewport(vulkan->swap_chain_cmd_buffer, 0, 1, &viewport);
vec2 push_consts = { (float)game_buffer->vulkan_framebuffer_image_width, (float)game_buffer->vulkan_framebuffer_image_height };
vkCmdPushConstants(vulkan->swap_chain_cmd_buffer, editor->imgui_vulkan_pipeline_layout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(push_consts), &push_consts);
VkDeviceSize vertex_offset = 0;
VkDeviceSize index_offset = draw_data->TotalVtxCount * sizeof(ImDrawVert);
for (int i = 0; i < draw_data->CmdListsCount; i += 1) {
ImDrawList *dlist = draw_data->CmdLists[i];
vkCmdBindVertexBuffers(vulkan->swap_chain_cmd_buffer, 0, 1, &editor->imgui_vertex_index_vulkan_buffer.buffer, &vertex_offset);
vertex_offset += dlist->VtxBuffer.Size * sizeof(ImDrawVert);
for (int i = 0; i < dlist->CmdBuffer.Size; i += 1) {
ImDrawCmd *dcmd = &dlist->CmdBuffer.Data[i];
VkRect2D scissor = { { (int)dcmd->ClipRect.x, (int)dcmd->ClipRect.y }, { (uint)dcmd->ClipRect.z, (uint)dcmd->ClipRect.w } };
vkCmdSetScissor(vulkan->swap_chain_cmd_buffer, 0, 1, &scissor);
if (dcmd->TextureId == editor->imgui_font_atlas_vulkan_image.image) {
vkCmdBindDescriptorSets(vulkan->swap_chain_cmd_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, editor->imgui_vulkan_pipeline_layout, 0, 1, &editor->imgui_vulkan_descriptor_sets[0], 0, nullptr);
}
else {
vkCmdBindDescriptorSets(vulkan->swap_chain_cmd_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, editor->imgui_vulkan_pipeline_layout, 0, 1, &editor->imgui_vulkan_descriptor_sets[1], 0, nullptr);
}
vkCmdBindIndexBuffer(vulkan->swap_chain_cmd_buffer, editor->imgui_vertex_index_vulkan_buffer.buffer, index_offset, VK_INDEX_TYPE_UINT16);
vkCmdDrawIndexed(vulkan->swap_chain_cmd_buffer, dcmd->ElemCount, 1, 0, 0, 0);
index_offset += dcmd->ElemCount * sizeof(ImDrawIdx);
}
}
return true;
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
VkDeviceSize offsets[1] = { 0 };
// Skybox
if (displaySkybox)
{
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.skybox, 0, NULL);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.skybox.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.skybox.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.skybox);
vkCmdDrawIndexed(drawCmdBuffers[i], models.skybox.indexCount, 1, 0, 0, 0);
}
// 3D object
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSets.object, 0, NULL);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.objects[models.objectIndex].vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.objects[models.objectIndex].indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.reflect);
vkCmdDrawIndexed(drawCmdBuffers[i], models.objects[models.objectIndex].indexCount, 1, 0, 0, 0);
drawUI(drawCmdBuffers[i]);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
//======================================================================
//======================================================================
void NvUIGraphicFrameRenderVK::Draw(float alpha, const NvPackedColor& color, const float pixelToClipMatrix[4][4],
const nv::vec2<float>& thickness, const nv::vec2<float>& texBorder, bool drawCenter)
{
NvVkContext& vk = *NvUIVKctx().mVk;
VkCommandBuffer& cmd = NvUIVKctx().mCmd;
// Set transform
// pixelToClipMatrix
memcpy(&(ms_ubo->pixelToClipMat), pixelToClipMatrix, 16 * sizeof(float));
ms_ubo->pixelToClipMat(1, 1) *= -1.0f;
ms_ubo->pixelToClipMat(1, 3) *= -1.0f;
ms_ubo->alpha = alpha;
ms_ubo->color = nv::vec4f(NV_PC_RED_FLOAT(color),
NV_PC_GREEN_FLOAT(color), NV_PC_BLUE_FLOAT(color), 1.0f);
NvUITexture* tex = m_graphic->GetTex();
ms_ubo->thickness = thickness;
ms_ubo->texBorder.x = texBorder.x / tex->GetWidth();
ms_ubo->texBorder.y = texBorder.y / tex->GetHeight();
ms_ubo.Update();
m_uboOffset = ms_ubo.getDynamicOffset();
VkViewport vp;
VkRect2D sc;
vp.x = 0;
vp.y = 0;
vp.height = (float)(vk.mainRenderTarget()->height());
vp.width = (float)(vk.mainRenderTarget()->width());
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = vp.width;
sc.extent.height = vp.height;
vkCmdSetViewport(cmd, 0, 1, &vp);
vkCmdSetScissor(cmd, 0, 1, &sc);
if (m_graphic->GetTex()->GetHasAlpha() || (alpha < 1.0f)) {
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, ms_pipelineAlpha);
}
else {
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, ms_pipelineOpaque);
}
vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, ms_pipelineLayout, 0, 1, &m_descriptorSet, 1, &m_uboOffset);
// Bind the vertex and index buffers
VkDeviceSize offsets[] = { 0 };
vkCmdBindVertexBuffers(cmd, 0, 1, &ms_vbo(), offsets);
vkCmdBindIndexBuffer(cmd, ms_ibo(), 0, VK_INDEX_TYPE_UINT16);
// Draw the triangle
vkCmdDrawIndexed(cmd, 30 + 6, 1, 0, 0, 0);
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &vertexBuffer.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], indexBuffer.buffer, 0, VK_INDEX_TYPE_UINT32);
// Render multiple objects using different model matrices by dynamically offsetting into one uniform buffer
for (uint32_t j = 0; j < OBJECT_INSTANCES; j++)
{
// One dynamic offset per dynamic descriptor to offset into the ubo containing all model matrices
uint32_t dynamicOffset = j * static_cast<uint32_t>(dynamicAlignment);
// Bind the descriptor set for rendering a mesh using the dynamic offset
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 1, &dynamicOffset);
vkCmdDrawIndexed(drawCmdBuffers[i], indexCount, 1, 0, 0, 0);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
/**
* Update the command buffers to reflect text changes
*/
void updateCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.extent.width = *frameBufferWidth;
renderPassBeginInfo.renderArea.extent.height = *frameBufferHeight;
// None of the attachments will be cleared
renderPassBeginInfo.clearValueCount = 0;
renderPassBeginInfo.pClearValues = nullptr;
for (size_t i = 0; i < cmdBuffers.size(); ++i)
{
renderPassBeginInfo.framebuffer = *frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(cmdBuffers[i], &cmdBufInfo));
if (vks::debugmarker::active)
{
vks::debugmarker::beginRegion(cmdBuffers[i], "Text overlay", glm::vec4(1.0f, 0.94f, 0.3f, 1.0f));
}
vkCmdBeginRenderPass(cmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)*frameBufferWidth, (float)*frameBufferHeight, 0.0f, 1.0f);
vkCmdSetViewport(cmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(*frameBufferWidth, *frameBufferHeight, 0, 0);
vkCmdSetScissor(cmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(cmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
vkCmdBindDescriptorSets(cmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
VkDeviceSize offsets = 0;
vkCmdBindVertexBuffers(cmdBuffers[i], 0, 1, &vertexBuffer.buffer, &offsets);
vkCmdBindVertexBuffers(cmdBuffers[i], 1, 1, &vertexBuffer.buffer, &offsets);
for (uint32_t j = 0; j < numLetters; j++)
{
vkCmdDraw(cmdBuffers[i], 4, 1, j * 4, 0);
}
vkCmdEndRenderPass(cmdBuffers[i]);
if (vks::debugmarker::active)
{
vks::debugmarker::endRegion(cmdBuffers[i]);
}
VK_CHECK_RESULT(vkEndCommandBuffer(cmdBuffers[i]));
}
}
void RHI_CommandList::SetViewport(const RHI_Viewport& viewport)
{
if (!m_is_recording)
return;
VkViewport vk_viewport = {};
vk_viewport.x = viewport.GetX();
vk_viewport.y = viewport.GetY();
vk_viewport.width = viewport.GetWidth();
vk_viewport.height = viewport.GetHeight();
vk_viewport.minDepth = viewport.GetMinDepth();
vk_viewport.maxDepth = viewport.GetMaxDepth();
vkCmdSetViewport(CMD_BUFFER_VK, 0, 1, &vk_viewport);
}
bool StateTracker::Bind()
{
// Must have a pipeline.
if (!m_pipeline)
return false;
// Check the render area if we were in a clear pass.
if (m_current_render_pass == m_framebuffer->GetClearRenderPass() && !IsViewportWithinRenderArea())
EndRenderPass();
// Get a new descriptor set if any parts have changed
if (!UpdateDescriptorSet())
{
// We can fail to allocate descriptors if we exhaust the pool for this command buffer.
WARN_LOG(VIDEO, "Failed to get a descriptor set, executing buffer");
Renderer::GetInstance()->ExecuteCommandBuffer(false, false);
if (!UpdateDescriptorSet())
{
// Something strange going on.
ERROR_LOG(VIDEO, "Failed to get descriptor set, skipping draw");
return false;
}
}
// Start render pass if not already started
if (!InRenderPass())
BeginRenderPass();
// Re-bind parts of the pipeline
const VkCommandBuffer command_buffer = g_command_buffer_mgr->GetCurrentCommandBuffer();
if (m_dirty_flags & DIRTY_FLAG_VERTEX_BUFFER)
vkCmdBindVertexBuffers(command_buffer, 0, 1, &m_vertex_buffer, &m_vertex_buffer_offset);
if (m_dirty_flags & DIRTY_FLAG_INDEX_BUFFER)
vkCmdBindIndexBuffer(command_buffer, m_index_buffer, m_index_buffer_offset, m_index_type);
if (m_dirty_flags & DIRTY_FLAG_PIPELINE)
vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, m_pipeline->GetVkPipeline());
if (m_dirty_flags & DIRTY_FLAG_VIEWPORT)
vkCmdSetViewport(command_buffer, 0, 1, &m_viewport);
if (m_dirty_flags & DIRTY_FLAG_SCISSOR)
vkCmdSetScissor(command_buffer, 0, 1, &m_scissor);
m_dirty_flags &= ~(DIRTY_FLAG_VERTEX_BUFFER | DIRTY_FLAG_INDEX_BUFFER | DIRTY_FLAG_PIPELINE |
DIRTY_FLAG_VIEWPORT | DIRTY_FLAG_SCISSOR);
return true;
}
void SetViewportAndScissor(VkCommandBuffer command_buffer, int x, int y, int width, int height,
float min_depth /*= 0.0f*/, float max_depth /*= 1.0f*/)
{
VkViewport viewport = {static_cast<float>(x),
static_cast<float>(y),
static_cast<float>(width),
static_cast<float>(height),
min_depth,
max_depth};
VkRect2D scissor = {{x, y}, {static_cast<uint32_t>(width), static_cast<uint32_t>(height)}};
vkCmdSetViewport(command_buffer, 0, 1, &viewport);
vkCmdSetScissor(command_buffer, 0, 1, &scissor);
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = { { 1.0f, 1.0f, 1.0f, 1.0f } };
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) {
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
const VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &scene.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
for (auto node : scene.nodes) {
renderNode(node, drawCmdBuffers[i]);
}
drawUI(drawCmdBuffers[i]);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[3];
// Clear to a white background for higher contrast
clearValues[0].color = { { 1.0f, 1.0f, 1.0f, 1.0f } };
clearValues[1].color = { { 1.0f, 1.0f, 1.0f, 1.0f } };
clearValues[2].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 3;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, useSampleShading ? pipelines.MSAASampleShading : pipelines.MSAA);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.example.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], models.example.indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void NormalMapVK::PopulateCommandBuffer(const size_t i)
{
const auto CB = CommandPools[0].second[i];//CommandBuffers[i];
//const auto SCB = SecondaryCommandBuffers[i];
const auto FB = Framebuffers[i];
const auto Image = SwapchainImages[i];
const VkCommandBufferBeginInfo BeginInfo = {
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,
nullptr,
0,
nullptr
};
VERIFY_SUCCEEDED(vkBeginCommandBuffer(CB, &BeginInfo)); {
vkCmdSetViewport(CB, 0, static_cast<uint32_t>(Viewports.size()), Viewports.data());
vkCmdSetScissor(CB, 0, static_cast<uint32_t>(ScissorRects.size()), ScissorRects.data());
ClearColor(CB, Image, Colors::SkyBlue);
const VkRenderPassBeginInfo RenderPassBeginInfo = {
VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,
nullptr,
RenderPass,
FB,
ScissorRects[0],
0, nullptr
};
vkCmdBeginRenderPass(CB, &RenderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE); {
if (!DescriptorSets.empty()) {
vkCmdBindDescriptorSets(CB,
VK_PIPELINE_BIND_POINT_GRAPHICS,
PipelineLayout,
0, static_cast<uint32_t>(DescriptorSets.size()), DescriptorSets.data(),
0, nullptr);
}
vkCmdBindPipeline(CB, VK_PIPELINE_BIND_POINT_GRAPHICS, Pipeline);
vkCmdDrawIndirect(CB, IndirectBuffer, 0, 1, 0);
} vkCmdEndRenderPass(CB);
} VERIFY_SUCCEEDED(vkEndCommandBuffer(CB));
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
for (auto& gear : gears)
{
gear->draw(drawCmdBuffers[i], pipelineLayout);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void updateSecondaryCommandBuffer(VkCommandBufferInheritanceInfo inheritanceInfo)
{
// Secondary command buffer for the sky sphere
VkCommandBufferBeginInfo commandBufferBeginInfo = vkTools::initializers::commandBufferBeginInfo();
commandBufferBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
commandBufferBeginInfo.pInheritanceInfo = &inheritanceInfo;
VK_CHECK_RESULT(vkBeginCommandBuffer(secondaryCommandBuffer, &commandBufferBeginInfo));
VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(secondaryCommandBuffer, 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(secondaryCommandBuffer, 0, 1, &scissor);
vkCmdBindPipeline(secondaryCommandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.starsphere);
glm::mat4 view = glm::mat4();
view = glm::rotate(view, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
view = glm::rotate(view, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
view = glm::rotate(view, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
glm::mat4 mvp = matrices.projection * view;
vkCmdPushConstants(
secondaryCommandBuffer,
pipelineLayout,
VK_SHADER_STAGE_VERTEX_BIT,
0,
sizeof(mvp),
&mvp);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(secondaryCommandBuffer, 0, 1, &meshes.skysphere.vertices.buf, offsets);
vkCmdBindIndexBuffer(secondaryCommandBuffer, meshes.skysphere.indices.buf, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(secondaryCommandBuffer, meshes.skysphere.indexCount, 1, 0, 0, 0);
VK_CHECK_RESULT(vkEndCommandBuffer(secondaryCommandBuffer));
}
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;
}
VkBool32 Example::buildCmdBuffer(const int32_t usedBuffer)
{
VkResult result;
cmdBuffer[usedBuffer] = vkts::commandBuffersCreate(initialResources->getDevice()->getDevice(), commandPool->getCmdPool(), VK_COMMAND_BUFFER_LEVEL_PRIMARY, 1);
if (!cmdBuffer[usedBuffer].get())
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not create command buffer.");
return VK_FALSE;
}
result = cmdBuffer[usedBuffer]->beginCommandBuffer(0, VK_NULL_HANDLE, 0, VK_NULL_HANDLE, VK_FALSE, 0, 0);
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not begin command buffer.");
return VK_FALSE;
}
//
swapchain->cmdPipelineBarrier(cmdBuffer[usedBuffer]->getCommandBuffer(), VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, usedBuffer);
//
VkClearColorValue clearColorValue;
memset(&clearColorValue, 0, sizeof(VkClearColorValue));
clearColorValue.float32[0] = 0.2f;
clearColorValue.float32[1] = 0.2f;
clearColorValue.float32[2] = 0.2f;
clearColorValue.float32[3] = 1.0f;
VkClearDepthStencilValue clearDepthStencilValue;
memset(&clearDepthStencilValue, 0, sizeof(VkClearDepthStencilValue));
clearDepthStencilValue.depth = 1.0f;
clearDepthStencilValue.stencil = 0;
VkClearValue clearValues[2];
memset(clearValues, 0, sizeof(clearValues));
clearValues[0].color = clearColorValue;
clearValues[1].depthStencil = clearDepthStencilValue;
VkRenderPassBeginInfo renderPassBeginInfo;
memset(&renderPassBeginInfo, 0, sizeof(VkRenderPassBeginInfo));
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassBeginInfo.renderPass = renderPass->getRenderPass();
renderPassBeginInfo.framebuffer = framebuffer[usedBuffer]->getFramebuffer();
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent = swapchain->getImageExtent();
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
cmdBuffer[usedBuffer]->cmdBeginRenderPass(&renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport;
memset(&viewport, 0, sizeof(VkViewport));
viewport.x = 0.0f;
viewport.y = 0.0f;
viewport.width = (float) swapchain->getImageExtent().width;
viewport.height = (float) swapchain->getImageExtent().height;
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
vkCmdSetViewport(cmdBuffer[usedBuffer]->getCommandBuffer(), 0, 1, &viewport);
VkRect2D scissor;
memset(&scissor, 0, sizeof(VkRect2D));
scissor.offset.x = 0;
scissor.offset.y = 0;
scissor.extent = swapchain->getImageExtent();
vkCmdSetScissor(cmdBuffer[usedBuffer]->getCommandBuffer(), 0, 1, &scissor);
if (scene.get())
{
scene->bindDrawIndexedRecursive(cmdBuffer[usedBuffer], allGraphicsPipelines);
}
cmdBuffer[usedBuffer]->cmdEndRenderPass();
//
swapchain->cmdPipelineBarrier(cmdBuffer[usedBuffer]->getCommandBuffer(), VK_ACCESS_MEMORY_READ_BIT, VK_IMAGE_LAYOUT_PRESENT_SRC_KHR, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, usedBuffer);
//
result = cmdBuffer[usedBuffer]->endCommandBuffer();
if (result != VK_SUCCESS)
{
vkts::logPrint(VKTS_LOG_ERROR, "Example: Could not end command buffer.");
return VK_FALSE;
}
return VK_TRUE;
}
bool VKRenderPass::VBuildCommandList()
{
if (!allocateCommandBuffer())
return false;
if (m_instanceBlock.buffer != VK_NULL_HANDLE)
DeleteUniformBuffer(m_device, m_instanceBlock);
//Create block of data for instance variables
if (m_instanceDataSize > 0)
{
if (!CreateUniformBuffer(m_device, m_instanceDataSize, m_instanceData, &m_instanceBlock))
return false;
}
//Setup the order of the commands we will issue in the command list
BuildRenderRequestHeirarchy();
VkResult err;
VKRenderer* renderer = VKRenderer::RendererInstance;
VkCommandBufferInheritanceInfo inheritanceInfo = {};
inheritanceInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_INHERITANCE_INFO;
inheritanceInfo.pNext = nullptr;
inheritanceInfo.renderPass = VK_NULL_HANDLE;
inheritanceInfo.subpass = 0;
inheritanceInfo.framebuffer = VK_NULL_HANDLE;
inheritanceInfo.occlusionQueryEnable = VK_FALSE;
inheritanceInfo.queryFlags = 0;
inheritanceInfo.pipelineStatistics = 0;
VkCommandBufferBeginInfo beginInfo = {};
beginInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
beginInfo.pNext = nullptr;
beginInfo.flags = 0;
beginInfo.pInheritanceInfo = &inheritanceInfo;
//Get the current clear color from the renderer
VkClearValue clearColor = renderer->GetClearColor();
std::vector<VkClearValue> clearValues;
for (size_t i = 0; i < m_outputRenderTargets.size(); i++)
{
VKRenderTargetHandle vkTarget= m_outputRenderTargets[i].DynamicCastHandle<VKRenderTarget>();
const VkClearValue* targetClearColor = vkTarget->GetClearColor();
//If a clear color is provided by the render target, lets use that
if (targetClearColor == nullptr)
clearValues.push_back(clearColor);
else
clearValues.push_back(*targetClearColor);
}
clearValues.push_back({1.0f, 0.0f});
VkRenderPassBeginInfo renderPassBeginInfo = {};
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassBeginInfo.pNext = nullptr;
renderPassBeginInfo.renderPass = m_renderPass;
renderPassBeginInfo.framebuffer = m_framebuffer;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = m_width;
renderPassBeginInfo.renderArea.extent.height = m_height;
renderPassBeginInfo.clearValueCount = static_cast<uint32_t>(clearValues.size());
renderPassBeginInfo.pClearValues = clearValues.data();
VkViewport viewport = {};
viewport.width = static_cast<float>(m_width);
viewport.height = static_cast<float>(m_height);
viewport.minDepth = 0.0f;
viewport.maxDepth = 1.0f;
VkRect2D scissor = {};
scissor.extent.width = m_width;
scissor.extent.height = m_height;
scissor.offset.x = 0;
scissor.offset.y = 0;
err = vkBeginCommandBuffer(m_commandBuffer, &beginInfo);
assert(!err);
if (err != VK_SUCCESS)
{
HT_DEBUG_PRINTF("VKRenderPass::VBuildCommandList(): Failed to build command buffer.\n");
return false;
}
/*
BEGIN BUFFER COMMANDS
*/
vkCmdBeginRenderPass(m_commandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdSetViewport(m_commandBuffer, 0, 1, &viewport);
vkCmdSetScissor(m_commandBuffer, 0, 1, &scissor);
std::map<IPipelineHandle, std::vector<RenderableInstances>>::iterator iterator;
for (iterator = m_pipelineList.begin(); iterator != m_pipelineList.end(); iterator++)
{
VKPipelineHandle pipeline = iterator->first.DynamicCastHandle<VKPipeline>();
//Calculate inverse view proj
Math::Matrix4 invViewProj = Math::MMMatrixTranspose(Math::MMMatrixInverse(m_view));
m_view = Math::MMMatrixTranspose(m_view);
m_proj = Math::MMMatrixTranspose(m_proj);
pipeline->VSetMatrix4("pass.0proj", m_proj);
pipeline->VSetMatrix4("pass.1view", m_view);
pipeline->VSetMatrix4("pass.2invViewProj", invViewProj);
pipeline->VSetInt("pass.3width", m_width);
pipeline->VSetInt("pass.4height", m_height);
pipeline->VUpdate();
VkPipeline vkPipeline = pipeline->GetVKPipeline();
VkPipelineLayout vkPipelineLayout = renderer->GetVKRootLayoutHandle()->VKGetPipelineLayout();
vkCmdBindPipeline(m_commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, vkPipeline);
pipeline->SendPushConstants(m_commandBuffer, vkPipelineLayout);
//Bind input textures
if(m_inputTargetDescriptorSets.size() > 0)
vkCmdBindDescriptorSets(m_commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, vkPipelineLayout, m_firstInputTargetSetIndex,
static_cast<uint32_t>(m_inputTargetDescriptorSets.size()), m_inputTargetDescriptorSets.data(), 0, nullptr);
std::vector<RenderableInstances> renderables = iterator->second;
VkDeviceSize offsets[] = { 0 };
for (uint32_t i = 0; i < renderables.size(); i++)
{
Renderable renderable = renderables[i].renderable;
uint32_t count = renderables[i].count;
VKMaterialHandle material = renderable.material.DynamicCastHandle<VKMaterial>();
VKMeshHandle mesh = renderable.mesh.DynamicCastHandle<VKMesh>();
std::vector<VkDescriptorSet> descriptorSets = material->GetVKDescriptorSets();
//Bind material descriptor sets
vkCmdBindDescriptorSets(m_commandBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS,
vkPipelineLayout, 0, static_cast<uint32_t>(descriptorSets.size()), descriptorSets.data(), 0, nullptr);
//Bind instance buffer
if(m_instanceDataSize > 0)
vkCmdBindVertexBuffers(m_commandBuffer, 1, 1, &m_instanceBlock.buffer, offsets);
UniformBlock_vk vertBlock = mesh->GetVertexBlock();
UniformBlock_vk indexBlock = mesh->GetIndexBlock();
uint32_t indexCount = mesh->GetIndexCount();
vkCmdBindVertexBuffers(m_commandBuffer, 0, 1, &vertBlock.buffer, offsets);
vkCmdBindIndexBuffer(m_commandBuffer, indexBlock.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(m_commandBuffer, indexCount, count, 0, 0, 0);
}
}
vkCmdEndRenderPass(m_commandBuffer);
/*
END BUFFER COMMANDS
*/
//Blit to render targets
for (size_t i = 0; i < m_outputRenderTargets.size(); i++)
{
VKRenderTargetHandle renderTarget = m_outputRenderTargets[i].DynamicCastHandle<VKRenderTarget>();
if (!renderTarget->Blit(m_commandBuffer, m_colorImages[i]))
return false;
}
err = vkEndCommandBuffer(m_commandBuffer);
assert(!err);
if (err != VK_SUCCESS)
{
HT_DEBUG_PRINTF("VKRenderPass::VBuildCommandList(): Failed to end command buffer.\n");
return false;
}
//Delete instance data
delete[] m_instanceData;
m_instanceData = nullptr;
m_instanceDataSize = 0;
return true;
}
void buildCommandBuffers()
{
// Destroy command buffers if already present
if (!checkCommandBuffers())
{
destroyCommandBuffers();
createCommandBuffers();
}
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
// Compute particle movement
// Add memory barrier to ensure that the (rendering) vertex shader operations have finished
// Required as the compute shader will overwrite the vertex buffer data
VkBufferMemoryBarrier bufferBarrier = vkTools::initializers::bufferMemoryBarrier();
// Vertex shader invocations have finished reading from the buffer
bufferBarrier.srcAccessMask = VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT;
// Compute shader buffer read and write
bufferBarrier.dstAccessMask = VK_ACCESS_SHADER_WRITE_BIT | VK_ACCESS_SHADER_READ_BIT;
bufferBarrier.buffer = computeStorageBuffer.buffer;
bufferBarrier.size = computeStorageBuffer.descriptor.range;
bufferBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
bufferBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
vkCmdPipelineBarrier(
drawCmdBuffers[i],
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_FLAGS_NONE,
0, nullptr,
1, &bufferBarrier,
0, nullptr);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_COMPUTE, pipelines.compute);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_COMPUTE, computePipelineLayout, 0, 1, &computeDescriptorSet, 0, 0);
// Dispatch the compute job
vkCmdDispatch(drawCmdBuffers[i], PARTICLE_COUNT / 16, 1, 1);
// Add memory barrier to ensure that compute shader has finished writing to the buffer
// Without this the (rendering) vertex shader may display incomplete results (partial data from last frame)
// Compute shader has finished writes to the buffer
bufferBarrier.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
// Vertex shader access (attribute binding)
bufferBarrier.dstAccessMask = VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT;
bufferBarrier.buffer = computeStorageBuffer.buffer;
bufferBarrier.size = computeStorageBuffer.descriptor.range;
bufferBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
bufferBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
vkCmdPipelineBarrier(
drawCmdBuffers[i],
VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT,
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
VK_FLAGS_NONE,
0, nullptr,
1, &bufferBarrier,
0, nullptr);
// Draw the particle system using the update vertex buffer
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.postCompute);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSetPostCompute, 0, NULL);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &computeStorageBuffer.buffer, offsets);
vkCmdDraw(drawCmdBuffers[i], PARTICLE_COUNT, 1, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
VkViewport viewport;
VkRect2D scissor;
VkDeviceSize offsets[1] = { 0 };
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
/*
First render pass: Offscreen rendering
*/
{
clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 0.0f } };
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = offscreenPass.renderPass;
renderPassBeginInfo.framebuffer = offscreenPass.frameBuffer;
renderPassBeginInfo.renderArea.extent.width = offscreenPass.width;
renderPassBeginInfo.renderArea.extent.height = offscreenPass.height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
viewport = vks::initializers::viewport((float)offscreenPass.width, (float)offscreenPass.height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
scissor = vks::initializers::rect2D(offscreenPass.width, offscreenPass.height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.scene, 0, 1, &descriptorSets.scene, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.colorPass);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.example.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], models.example.indexCount, 1, 0, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
}
/*
Note: Explicit synchronization is not required between the render pass, as this is done implicit via sub pass dependencies
*/
/*
Second render pass: Scene rendering with applied radial blur
*/
{
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.framebuffer = frameBuffers[i];
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
// 3D scene
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.scene, 0, 1, &descriptorSets.scene, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.phongPass);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.example.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.example.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], models.example.indexCount, 1, 0, 0, 0);
// Fullscreen triangle (clipped to a quad) with radial blur
if (blur)
{
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.radialBlur, 0, 1, &descriptorSets.radialBlur, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, (displayTexture) ? pipelines.offscreenDisplay : pipelines.radialBlur);
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
}
drawUI(drawCmdBuffers[i]);
vkCmdEndRenderPass(drawCmdBuffers[i]);
}
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void buildCommandBuffers()
{
// Destroy command buffers if already present
if (!checkCommandBuffers())
{
destroyCommandBuffers();
createCommandBuffers();
}
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vkTools::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
VkResult err;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
err = vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo);
assert(!err);
// Buffer memory barrier to make sure that compute shader
// writes are finished before using the storage buffer
// in the vertex shader
VkBufferMemoryBarrier bufferBarrier = vkTools::initializers::bufferMemoryBarrier();
// Source access : Compute shader buffer write
bufferBarrier.srcAccessMask = VK_ACCESS_SHADER_WRITE_BIT;
// Dest access : Vertex shader access (attribute binding)
bufferBarrier.dstAccessMask = VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT;
bufferBarrier.buffer = computeStorageBuffer.buffer;
bufferBarrier.offset = 0;
bufferBarrier.size = computeStorageBuffer.descriptor.range;
bufferBarrier.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
bufferBarrier.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED;
vkCmdPipelineBarrier(
drawCmdBuffers[i],
VK_PIPELINE_STAGE_ALL_COMMANDS_BIT,
VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,
VK_FLAGS_NONE,
0, nullptr,
1, &bufferBarrier,
0, nullptr);
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vkTools::initializers::viewport(
(float)width,
(float)height,
0.0f,
1.0f
);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vkTools::initializers::rect2D(
width,
height,
0,
0
);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSetPostCompute, 0, NULL);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.postCompute);
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &computeStorageBuffer.buffer, offsets);
vkCmdDraw(drawCmdBuffers[i], PARTICLE_COUNT, 1, 0, 0);
vkCmdEndRenderPass(drawCmdBuffers[i]);
err = vkEndCommandBuffer(drawCmdBuffers[i]);
assert(!err);
}
}
void SkinningAppVk::draw(void)
{
VkResult result = VK_ERROR_INITIALIZATION_FAILED;
NvSimpleUBO<SkinnedMesh::UBOBlock>& uboObj = mMesh.mUBO;
SkinnedMesh::UBOBlock& ubo = *uboObj;
// Compute and update the ModelViewProjection matrix
nv::perspectiveLH(ubo.mMVP, 45.0f, (float)m_width / (float)m_height, 0.1f, 100.0f);
ubo.mMVP *= m_transformer->getModelViewMat();
// Compute and update the bone matrices
computeBones(mTime, ubo);
mTime += mTimeScalar * getFrameDeltaTime();
// Update other uniforms
ubo.mRenderMode[0] = (int32_t)mSingleBoneSkinning;
ubo.mRenderMode[1] = (int32_t)mRenderMode;
uboObj.Update();
VkCommandBuffer cmd = vk().getMainCommandBuffer();
VkRenderPassBeginInfo renderPassBeginInfo = { VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO };
renderPassBeginInfo.renderPass = vk().mainRenderTarget()->clearRenderPass();
renderPassBeginInfo.framebuffer = vk().mainRenderTarget()->frameBuffer();
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = m_width;
renderPassBeginInfo.renderArea.extent.height = m_height;
VkClearValue clearValues[2];
clearValues[0].color.float32[0] = 0.33f;
clearValues[0].color.float32[1] = 0.44f;
clearValues[0].color.float32[2] = 0.66f;
clearValues[0].color.float32[3] = 1.0f;
clearValues[1].depthStencil.depth = 1.0f;
clearValues[1].depthStencil.stencil = 0;
renderPassBeginInfo.pClearValues = clearValues;
renderPassBeginInfo.clearValueCount = 2;
vkCmdBeginRenderPass(cmd, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
{
// Bind the mPipeline state
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, mPipeline);
VkViewport vp;
VkRect2D sc;
vp.x = 0;
vp.y = 0;
vp.height = (float)(m_height);
vp.width = (float)(m_width);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = vp.width;
sc.extent.height = vp.height;
vkCmdSetViewport(cmd, 0, 1, &vp);
vkCmdSetScissor(cmd, 0, 1, &sc);
mMesh.draw(mPipelineLayout, cmd);
}
vkCmdEndRenderPass(cmd);
vk().submitMainCommandBuffer();
}
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;
}
void vkeGameRendererDynamic::generateDrawCommands(){
//Start generating draw commands.
VulkanDC *dc = VulkanDC::Get();
VulkanDC::Device *device = dc->getDefaultDevice();
VkClearValue clearValues[3];
/*
Dispatch threads to create the secondary
command buffers.
*/
m_calls_generated = 0;
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
m_draw_calls[i]->initDrawCommands(m_node_data->count(), m_current_buffer_index);
}
/*
Begin setting up the primary command buffer.
*/
VkCommandBufferBeginInfo cmdBeginInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
cmdBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_ONE_TIME_SUBMIT_BIT;
vkResetCommandBuffer(m_primary_commands[m_current_buffer_index], 0);
vkResetCommandBuffer(m_update_commands[m_current_buffer_index], 0);
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_update_commands[m_current_buffer_index], &cmdBeginInfo), "Could not begin primary command buffer.\n");
VkBufferMemoryBarrier bufBarrier = { VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER };
bufBarrier.dstAccessMask = VK_ACCESS_UNIFORM_READ_BIT;
bufBarrier.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT;
bufBarrier.dstQueueFamilyIndex = 0;
bufBarrier.offset = 0;
bufBarrier.buffer = m_uniforms_buffer;
bufBarrier.srcQueueFamilyIndex = 0;
colorClearValues(&clearValues[0], 1.0, 1.0, 1.0);
depthStencilClearValues(&clearValues[1]);//default#
colorClearValues(&clearValues[2], 0.0, 0.0, 0.0);
uint32_t sz = (sizeof(VkeNodeUniform) * 100) + (64 * 64);
VkBufferCopy bufCopy;
bufCopy.dstOffset = 0;
bufCopy.srcOffset = 0;
bufCopy.size = sz;
vkCmdCopyBuffer(m_update_commands[m_current_buffer_index], m_uniforms_buffer_staging, m_uniforms_buffer, 1, &bufCopy);
vkCmdPipelineBarrier(
m_update_commands[m_current_buffer_index],
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
0,
0,
NULL,
1,
&bufBarrier,
0,
NULL);
VKA_CHECK_ERROR(vkEndCommandBuffer(m_update_commands[m_current_buffer_index]), "Could not end command buffer for draw command.\n");
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_primary_commands[m_current_buffer_index], &cmdBeginInfo), "Could not begin primary command buffer.\n");
renderPassBegin(&m_primary_commands[m_current_buffer_index], m_render_pass, m_framebuffers[m_current_buffer_index], 0, 0, m_width, m_height, clearValues, 3, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
VkViewport vp;
VkRect2D sc;
vp.x = 0;
vp.y = 0;
vp.height = (float)(m_height);
vp.width = (float)(m_width);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = vp.width;
sc.extent.height = vp.height;
vkCmdSetViewport(m_primary_commands[m_current_buffer_index], 0, 1, &vp);
vkCmdSetScissor(m_primary_commands[m_current_buffer_index], 0, 1, &sc);
/*
Wait here until the secondary commands are ready.
*/
VkCommandBuffer secondaryCommands[11];
secondaryCommands[0] = m_terrain_command[m_current_buffer_index];
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
secondaryCommands[i + 1] = m_draw_calls[i]->getDrawCommand(m_current_buffer_index);
}
vkCmdExecuteCommands(m_primary_commands[m_current_buffer_index], 1 + m_max_draw_calls, secondaryCommands);
vkCmdEndRenderPass(m_primary_commands[m_current_buffer_index]);
VkImageResolve blitInfo;
blitInfo.srcOffset.x = 0;
blitInfo.srcOffset.y = 0;
blitInfo.srcOffset.z = 0;
blitInfo.dstOffset.x = 0;
blitInfo.dstOffset.y = 0;
blitInfo.dstOffset.z = 0;
blitInfo.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.srcSubresource.mipLevel = 0;
blitInfo.srcSubresource.baseArrayLayer = 0;
blitInfo.srcSubresource.layerCount = 1;
blitInfo.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.dstSubresource.mipLevel = 0;
blitInfo.dstSubresource.baseArrayLayer = 0;
blitInfo.dstSubresource.layerCount = 1;
blitInfo.extent.width = m_width;
blitInfo.extent.height = m_height;
blitInfo.extent.depth = 1;
vkCmdResolveImage(
m_primary_commands[m_current_buffer_index],
m_color_attachment.image,
VK_IMAGE_LAYOUT_GENERAL,
m_resolve_attachment[m_current_buffer_index].image,
VK_IMAGE_LAYOUT_GENERAL,
1,
&blitInfo);
VKA_CHECK_ERROR(vkEndCommandBuffer(m_primary_commands[m_current_buffer_index]), "Could not end command buffer for draw command.\n");
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[2];
clearValues[0].color = defaultClearColor;
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) {
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
// Reset timestamp query pool
vkCmdResetQueryPool(drawCmdBuffers[i], queryPool, 0, static_cast<uint32_t>(pipelineStats.size()));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
VkDeviceSize offsets[1] = { 0 };
// Start capture of pipeline statistics
vkCmdBeginQuery(drawCmdBuffers[i], queryPool, 0, VK_QUERY_CONTROL_PRECISE_BIT);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipeline);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.objects[models.objectIndex].vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], models.objects[models.objectIndex].indices.buffer, 0, VK_INDEX_TYPE_UINT32);
for (int32_t y = 0; y < gridSize; y++) {
for (int32_t x = 0; x < gridSize; x++) {
glm::vec3 pos = glm::vec3(float(x - (gridSize / 2.0f)) * 2.5f, 0.0f, float(y - (gridSize / 2.0f)) * 2.5f);
vkCmdPushConstants(drawCmdBuffers[i], pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(glm::vec3), &pos);
vkCmdDrawIndexed(drawCmdBuffers[i], models.objects[models.objectIndex].indexCount, 1, 0, 0, 0);
}
}
// End capture of pipeline statistics
vkCmdEndQuery(drawCmdBuffers[i], queryPool, 0);
drawUI(drawCmdBuffers[i]);
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
VkClearValue clearValues[3];
clearValues[0].color = { { 0.0f, 0.0f, 0.2f, 0.0f } };
clearValues[1].color = { { 0.0f, 0.0f, 0.2f, 0.0f } };
clearValues[2].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 3;
renderPassBeginInfo.pClearValues = clearValues;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) {
renderPassBeginInfo.framebuffer = frameBuffers[i];
VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
VkDeviceSize offsets[1] = { 0 };
/*
First sub pass
Fills the attachments
*/
{
vks::debugmarker::beginRegion(drawCmdBuffers[i], "Subpass 0: Writing attachments", glm::vec4(1.0f, 1.0f, 1.0f, 1.0f));
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.attachmentWrite);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.attachmentWrite, 0, 1, &descriptorSets.attachmentWrite, 0, NULL);
vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &scene.vertices.buffer, offsets);
vkCmdBindIndexBuffer(drawCmdBuffers[i], scene.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
vkCmdDrawIndexed(drawCmdBuffers[i], scene.indexCount, 1, 0, 0, 0);
vks::debugmarker::endRegion(drawCmdBuffers[i]);
}
/*
Second sub pass
Reads from the attachments via input attachments
*/
{
vks::debugmarker::beginRegion(drawCmdBuffers[i], "Subpass 1: Reading attachments", glm::vec4(1.0f, 1.0f, 1.0f, 1.0f));
vkCmdNextSubpass(drawCmdBuffers[i], VK_SUBPASS_CONTENTS_INLINE);
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.attachmentRead);
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayouts.attachmentRead, 0, 1, &descriptorSets.attachmentRead, 0, NULL);
vkCmdDraw(drawCmdBuffers[i], 3, 1, 0, 0);
vks::debugmarker::endRegion(drawCmdBuffers[i]);
}
vkCmdEndRenderPass(drawCmdBuffers[i]);
VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
}
}
void buildCommandBuffers()
{
VkCommandBufferBeginInfo cmdBufInfo = {};
cmdBufInfo.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
cmdBufInfo.pNext = NULL;
VkClearValue clearValues[2];
clearValues[0].color = { { 0.0f, 0.0f, 0.0f, 1.0f } };
clearValues[1].depthStencil = { 1.0f, 0 };
VkRenderPassBeginInfo renderPassBeginInfo = {};
renderPassBeginInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
renderPassBeginInfo.pNext = NULL;
renderPassBeginInfo.renderPass = renderPass;
renderPassBeginInfo.renderArea.offset.x = 0;
renderPassBeginInfo.renderArea.offset.y = 0;
renderPassBeginInfo.renderArea.extent.width = width;
renderPassBeginInfo.renderArea.extent.height = height;
renderPassBeginInfo.clearValueCount = 2;
renderPassBeginInfo.pClearValues = clearValues;
VkResult err;
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
{
// Set target frame buffer
renderPassBeginInfo.framebuffer = frameBuffers[i];
err = vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo);
assert(!err);
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
// Update dynamic viewport state
VkViewport viewport = {};
viewport.height = (float)height;
viewport.width = (float)width;
viewport.minDepth = (float) 0.0f;
viewport.maxDepth = (float) 1.0f;
vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
// Update dynamic scissor state
VkRect2D scissor = {};
scissor.extent.width = width;
scissor.extent.height = height;
scissor.offset.x = 0;
scissor.offset.y = 0;
vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
// Bind descriptor sets describing shader binding points
vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
// Bind the rendering pipeline (including the shaders)
vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.solid);
// Bind triangle vertices
VkDeviceSize offsets[1] = { 0 };
vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &vertices.buf, offsets);
// Bind triangle indices
vkCmdBindIndexBuffer(drawCmdBuffers[i], indices.buf, 0, VK_INDEX_TYPE_UINT32);
// Draw indexed triangle
vkCmdDrawIndexed(drawCmdBuffers[i], indices.count, 1, 0, 0, 1);
vkCmdEndRenderPass(drawCmdBuffers[i]);
err = vkEndCommandBuffer(drawCmdBuffers[i]);
assert(!err);
}
}
void vkeGameRendererDynamic::generateDrawCommands(){
//Start generating draw commands.
VulkanDC *dc = VulkanDC::Get();
VulkanDC::Device *device = dc->getDefaultDevice();
VkClearValue clearValues[3];
colorClearValues(&clearValues[0], 1.0, 1.0, 1.0);
depthStencilClearValues(&clearValues[1]);//default#
colorClearValues(&clearValues[2], 0.0, 0.0, 0.0);
/*
Dispatch threads to create the secondary
command buffers.
*/
m_calls_generated = 0;
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
m_draw_calls[i]->initDrawCommands(m_node_data->count(), m_current_buffer_index);
}
/*
Begin setting up the primary command buffer.
*/
VkCommandBufferBeginInfo cmdBeginInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
cmdBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_SIMULTANEOUS_USE_BIT;
VKA_CHECK_ERROR(vkResetCommandBuffer(m_primary_commands[m_current_buffer_index], 0),"Could not reset primary command buffer");
VKA_CHECK_ERROR(vkBeginCommandBuffer(m_primary_commands[m_current_buffer_index], &cmdBeginInfo), "Could not begin primary command buffer.\n");
uint32_t cnt = m_node_data->count();
VkDeviceSize sz = (sizeof(VkeNodeUniform) * cnt) + (m_instance_count * 64);
vkCmdUpdateBuffer(m_primary_commands[m_current_buffer_index], m_uniforms_buffer, 0, sz, (const uint32_t *)m_uniforms_local);
m_camera->updateCameraCmd(m_primary_commands[m_current_buffer_index]);
renderPassBegin(&m_primary_commands[m_current_buffer_index], m_render_pass, m_framebuffers[m_current_buffer_index], 0, 0, m_width, m_height, clearValues, 3, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
VkViewport vp;
VkRect2D sc;
vp.x = 0;
vp.y = 0;
vp.height = (float)(m_height);
vp.width = (float)(m_width);
vp.minDepth = 0.0f;
vp.maxDepth = 1.0f;
sc.offset.x = 0;
sc.offset.y = 0;
sc.extent.width = vp.width;
sc.extent.height = vp.height;
vkCmdSetViewport(m_primary_commands[m_current_buffer_index], 0, 1, &vp);
vkCmdSetScissor(m_primary_commands[m_current_buffer_index], 0, 1, &sc);
/*
Wait here until the secondary commands are ready.
*/
VkCommandBuffer secondaryCommands[11];
secondaryCommands[0] = m_terrain_command[m_current_buffer_index];
for (uint32_t i = 0; i < m_max_draw_calls; ++i){
secondaryCommands[i+1] = m_draw_calls[i]->getDrawCommand(m_current_buffer_index);
}
vkCmdExecuteCommands(m_primary_commands[m_current_buffer_index], 1+m_max_draw_calls, secondaryCommands);
vkCmdEndRenderPass(m_primary_commands[m_current_buffer_index]);
VkImageResolve blitInfo;
blitInfo.srcOffset.x = 0;
blitInfo.srcOffset.y = 0;
blitInfo.srcOffset.z = 0;
blitInfo.dstOffset.x = 0;
blitInfo.dstOffset.y = 0;
blitInfo.dstOffset.z = 0;
blitInfo.srcSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.srcSubresource.mipLevel = 0;
blitInfo.srcSubresource.baseArrayLayer = 0;
blitInfo.srcSubresource.layerCount = 1;
blitInfo.dstSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
blitInfo.dstSubresource.mipLevel = 0;
blitInfo.dstSubresource.baseArrayLayer = 0;
blitInfo.dstSubresource.layerCount = 1;
blitInfo.extent.width = m_width;
blitInfo.extent.height = m_height;
blitInfo.extent.depth = 1;
vkCmdResolveImage(
m_primary_commands[m_current_buffer_index],
m_color_attachment.image,
VK_IMAGE_LAYOUT_GENERAL,
m_resolve_attachment[m_current_buffer_index].image,
VK_IMAGE_LAYOUT_GENERAL,
1,
&blitInfo);
VKA_CHECK_ERROR(vkEndCommandBuffer(m_primary_commands[m_current_buffer_index]), "Could not end command buffer for draw command.\n");
}
