Add draw triangle
This commit is contained in:
Jiga228
+127
-4
@@ -383,6 +383,14 @@ void RenderEngine::create_render_pass()
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subpass_description.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
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subpass_description.colorAttachmentCount = 1;
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subpass_description.pColorAttachments = &attachment_reference;
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VkSubpassDependency dependency{};
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dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
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dependency.dstSubpass = 0;
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dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependency.srcAccessMask = 0;
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dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT;
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VkRenderPassCreateInfo render_pass_info{};
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render_pass_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
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@@ -390,6 +398,8 @@ void RenderEngine::create_render_pass()
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render_pass_info.pAttachments = &attachment_description;
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render_pass_info.subpassCount = 1;
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render_pass_info.pSubpasses = &subpass_description;
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render_pass_info.dependencyCount = 1;
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render_pass_info.pDependencies = &dependency;
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VK_CHECK(vkCreateRenderPass(device_, &render_pass_info, nullptr, &render_pass_));
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}
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@@ -483,7 +493,7 @@ void RenderEngine::create_graphics_pipeline()
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multisample_info.rasterizationSamples = VK_SAMPLE_COUNT_1_BIT;
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VkPipelineColorBlendAttachmentState color_blend_attachment_state{};
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color_blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
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color_blend_attachment_state.colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
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color_blend_attachment_state.blendEnable = VK_TRUE;
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color_blend_attachment_state.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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color_blend_attachment_state.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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@@ -564,7 +574,7 @@ void RenderEngine::create_command_pool()
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void RenderEngine::allocate_command_buffers()
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{
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command_buffers_.resize(MAX_FRAMES_IN_FLIGHT);
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command_buffers_.resize(swapchain_images_.size());
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VkCommandBufferAllocateInfo command_buffer_allocate_info{};
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command_buffer_allocate_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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@@ -575,6 +585,104 @@ void RenderEngine::allocate_command_buffers()
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VK_CHECK(vkAllocateCommandBuffers(device_, &command_buffer_allocate_info, command_buffers_.data()));
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}
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void RenderEngine::create_sync_objects()
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{
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image_available_semaphores_.resize(swapchain_images_.size());
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render_finished_semaphores_.resize(swapchain_images_.size());
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in_flight_fences_.resize(swapchain_images_.size());
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VkSemaphoreCreateInfo semaphore_info{};
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semaphore_info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO;
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VkFenceCreateInfo fence_info{};
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fence_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
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fence_info.flags = VK_FENCE_CREATE_SIGNALED_BIT;
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for (size_t i = 0; i < swapchain_images_.size(); ++i)
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{
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VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &image_available_semaphores_[i]));
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VK_CHECK(vkCreateSemaphore(device_, &semaphore_info, nullptr, &render_finished_semaphores_[i]));
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VK_CHECK(vkCreateFence(device_, &fence_info, nullptr, &in_flight_fences_[i]));
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}
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}
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void RenderEngine::record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index)
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{
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VkCommandBufferBeginInfo command_buffer_begin_info{};
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command_buffer_begin_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO;
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VK_CHECK(vkBeginCommandBuffer(command_buffer, &command_buffer_begin_info));
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const VkClearValue clear_color = {{{0.0f, 0.0f, 0.0f, 1.0f}}};
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VkRenderPassBeginInfo render_pass_begin_info{};
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render_pass_begin_info.sType = VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO;
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render_pass_begin_info.renderPass = render_pass_;
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render_pass_begin_info.framebuffer = framebuffers_[image_index];
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render_pass_begin_info.renderArea.offset = {0, 0};
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render_pass_begin_info.renderArea.extent = swapchain_extent_;
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render_pass_begin_info.clearValueCount = 1;
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render_pass_begin_info.pClearValues = &clear_color;
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vkCmdBeginRenderPass(command_buffer, &render_pass_begin_info, VK_SUBPASS_CONTENTS_INLINE);
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vkCmdBindPipeline(command_buffer, VK_PIPELINE_BIND_POINT_GRAPHICS, graphycs_pipeline_);
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VkViewport viewport{};
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viewport.x = 0.0f;
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viewport.y = 0.0f;
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viewport.width = static_cast<float>(swapchain_extent_.width);
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viewport.height = static_cast<float>(swapchain_extent_.height);
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viewport.minDepth = 0.0f;
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viewport.maxDepth = 1.0f;
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vkCmdSetViewport(command_buffer, 0, 1, &viewport);
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VkRect2D scissor{};
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scissor.offset = {0, 0};
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scissor.extent = swapchain_extent_;
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vkCmdSetScissor(command_buffer, 0, 1, &scissor);
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vkCmdDraw(command_buffer, 3, 1, 0, 0);
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vkCmdEndRenderPass(command_buffer);
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VK_CHECK(vkEndCommandBuffer(command_buffer));
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}
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void RenderEngine::draw_frame()
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{
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vkWaitForFences(device_, 1, &in_flight_fences_[current_frame_], VK_TRUE, UINT64_MAX);
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vkResetFences(device_, 1, &in_flight_fences_[current_frame_]);
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uint32_t image_index;
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vkAcquireNextImageKHR(device_, swapchain_, UINT64_MAX, image_available_semaphores_[current_frame_], VK_NULL_HANDLE, &image_index);
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vkResetCommandBuffer(command_buffers_[current_frame_], 0);
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record_command_buffer(command_buffers_[current_frame_], image_index);
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VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
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VkSubmitInfo submit_info{};
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submit_info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
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submit_info.commandBufferCount = 1;
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submit_info.pCommandBuffers = &command_buffers_[current_frame_];
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submit_info.waitSemaphoreCount = 1;
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submit_info.pWaitSemaphores = &image_available_semaphores_[current_frame_];
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submit_info.pWaitDstStageMask = &wait_stage;
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submit_info.signalSemaphoreCount = 1;
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submit_info.pSignalSemaphores = &render_finished_semaphores_[current_frame_];
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VK_CHECK(vkQueueSubmit(graphics_queue_, 1, &submit_info, in_flight_fences_[current_frame_]));
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VkPresentInfoKHR present_info{};
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present_info.sType = VK_STRUCTURE_TYPE_PRESENT_INFO_KHR;
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present_info.waitSemaphoreCount = 1;
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present_info.pWaitSemaphores = &render_finished_semaphores_[current_frame_];
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present_info.swapchainCount = 1;
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present_info.pSwapchains = &swapchain_;
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present_info.pImageIndices = &image_index;
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present_info.pResults = nullptr;
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vkQueuePresentKHR(present_queue_, &present_info);
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current_frame_ = (current_frame_ + 1) % swapchain_images_.size();
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}
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void RenderEngine::create_surface()
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{
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VK_CHECK(glfwCreateWindowSurface(instance_, window_, nullptr, &surface_));
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@@ -595,11 +703,26 @@ window_(window)
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create_image_views();
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create_render_pass();
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create_graphics_pipeline();
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create_framebuffers();
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create_command_pool();
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allocate_command_buffers();
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create_sync_objects();
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}
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RenderEngine::~RenderEngine()
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{
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if (command_buffers_.size() > 0)
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vkDeviceWaitIdle(device_);
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for (auto& i : image_available_semaphores_)
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vkDestroySemaphore(device_, i, nullptr);
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for (auto& i : render_finished_semaphores_)
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vkDestroySemaphore(device_, i, nullptr);
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for (auto& i : in_flight_fences_)
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vkDestroyFence(device_, i, nullptr);
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if (command_buffers_.empty() == false)
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vkFreeCommandBuffers(device_, command_pool_, static_cast<uint32_t>(command_buffers_.size()), command_buffers_.data());
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if (command_pool_ != VK_NULL_HANDLE)
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@@ -649,8 +772,8 @@ void RenderEngine::start()
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{
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while (!glfwWindowShouldClose(window_))
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{
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glfwSwapBuffers(window_);
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glfwPollEvents();
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draw_frame();
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}
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}
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@@ -35,7 +35,6 @@ class RenderEngine
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static const std::vector<const char*> deviceExtensions;
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const int MAX_FRAMES_IN_FLIGHT = 2;
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int current_frame_ = 0;
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CoreInstance& core_;
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@@ -58,6 +57,9 @@ class RenderEngine
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VkCommandPool command_pool_ = VK_NULL_HANDLE;
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std::vector<VkCommandBuffer> command_buffers_;
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std::vector<VkSemaphore> image_available_semaphores_, render_finished_semaphores_;
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std::vector<VkFence> in_flight_fences_;
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#ifdef _DEBUG
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VkResult enable_layer_validation(VkDebugUtilsMessengerCreateInfoEXT* create_info);
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VkDebugUtilsMessengerEXT debug_messenger_;
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@@ -84,7 +86,10 @@ class RenderEngine
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void create_framebuffers();
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void create_command_pool();
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void allocate_command_buffers();
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void create_sync_objects();
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void record_command_buffer(VkCommandBuffer command_buffer, uint32_t image_index);
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void draw_frame();
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public:
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// Can throw the exception
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RenderEngine(CoreInstance& core, GLFWwindow* window, VkPresentModeKHR desired_present_mode = VK_PRESENT_MODE_MAILBOX_KHR);
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