Continued work on multi threading example, now uses a thread pool for updating secondary command buffers
This commit is contained in:
saschawillems
parent
082033d384
commit
ad49cb7997
6 changed files with 271 additions and 293 deletions
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@ -7,17 +7,9 @@ layout (location = 0) in vec3 inPos;
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layout (location = 1) in vec3 inNormal;
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layout (location = 2) in vec3 inColor;
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layout (binding = 0) uniform UBO
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{
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mat4 projection;
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mat4 view;
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mat4 model;
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vec4 lightPos;
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} ubo;
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layout (std140, push_constant) uniform PushConsts
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{
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mat4 model;
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mat4 mvp;
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vec3 color;
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} pushConsts;
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@ -31,11 +23,12 @@ void main()
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outNormal = inNormal;
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outColor = inColor;// * pushConsts.color;
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gl_Position = ubo.projection * ubo.view * ubo.model * vec4(inPos.xyz, 1.0);
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gl_Position = pushConsts.mvp * vec4(inPos.xyz, 1.0);
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vec4 pos = ubo.view * ubo.model * vec4(inPos, 1.0);
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outNormal = mat3(ubo.view * ubo.model) * inNormal;
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vec3 lPos = ubo.lightPos.xyz;
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vec4 pos = pushConsts.mvp * vec4(inPos, 1.0);
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outNormal = mat3(pushConsts.mvp) * inNormal;
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// vec3 lPos = ubo.lightPos.xyz;
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vec3 lPos = vec3(0.0);
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outLightVec = lPos - pos.xyz;
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outViewVec = -pos.xyz;
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}
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@ -21,6 +21,8 @@
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#include <vulkan/vulkan.h>
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#include "vulkanexamplebase.h"
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#include "threadpool.hpp"
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#define VERTEX_BUFFER_BIND_ID 0
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#define ENABLE_VALIDATION false
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@ -46,12 +48,11 @@ public:
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vkMeshLoader::MeshBuffer ufo;
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} meshes;
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struct UBO {
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// Shared matrices used for thread push constant blocks
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struct {
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glm::mat4 projection;
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glm::mat4 view;
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glm::mat4 model;
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glm::vec4 lightPos = glm::vec4(0.0f, 0.0f, 0.0f, 1.0f);
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};
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} matrices;
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struct {
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VkPipeline phong;
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@ -61,6 +62,12 @@ public:
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VkDescriptorSet descriptorSet;
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VkDescriptorSetLayout descriptorSetLayout;
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VkCommandBuffer primaryCommandBuffer;
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// Number of animated objects to be renderer
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// by using threads and secondary command buffers
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uint32_t numObjectsPerThread;
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// Multi threaded stuff
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// Max. number of concurrent threads
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uint32_t numThreads;
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@ -68,7 +75,7 @@ public:
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// Use push constants to update shader
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// parameters on a per-thread base
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struct ThreadPushConstantBlock {
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glm::mat4 model;
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glm::mat4 mvp;
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glm::vec3 color;
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};
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@ -76,38 +83,29 @@ public:
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glm::vec3 pos;
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glm::vec3 rotation;
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float deltaT;
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vkMeshLoader::MeshBuffer *meshBuffer;
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vkMeshLoader::MeshBufferInfo vertices;
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vkMeshLoader::MeshBufferInfo indices;
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uint32_t indexCount;
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};
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struct RenderThread {
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uint32_t index;
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std::thread thread;
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ThreadPushConstantBlock pushConstantBlock;
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struct ThreadData {
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MeshData meshData;
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// Vulkan objects
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VkCommandPool cmdPool;
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std::vector<VkCommandBuffer> cmdBuffers;
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VkViewport viewport;
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VkRect2D scissor;
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VkDevice device;
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std::vector<VkCommandBufferInheritanceInfo> inheritanceInfo;
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// todo : maybe move to mesh data if using different meshes per thread
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VkPipeline pipeline;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSet descriptorSet;
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UBO ubo;
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vkTools::UniformData uniformData;
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VkCommandPool commandPool;
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std::vector<VkCommandBuffer> commandBuffer;
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ThreadPushConstantBlock pushConstBlock;
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};
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std::vector<RenderThread> renderThreads;
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std::vector<ThreadData> threadData;
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vkTools::ThreadPool threadPool;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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width = 1280;
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height = 720;
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zoom = -20.0f;
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zoom = -35.0f;
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zoomSpeed = 2.5f;
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rotationSpeed = 0.5f;
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rotation = { 0.0f, 0.0f, 0.0f };
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rotation = { -16.0f, -32.0f, 0.0f };
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title = "Vulkan Example - Multi threaded rendering";
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// Get number of max. concurrrent threads
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// todo : May not work on all compilers (e.g. old GCC versions?)
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@ -116,7 +114,12 @@ public:
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// todo : test, remove
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std::cout << "numThreads = " << numThreads << std::endl;
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srand(time(NULL));
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numThreads *= 4; // todo : test
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//numThreads *= 4; // todo : test
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threadPool.setThreadCount(numThreads);
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// Render 32 animated objects
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numObjectsPerThread = 32 / numThreads;
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}
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~VulkanExample()
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@ -128,21 +131,127 @@ public:
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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vkFreeCommandBuffers(device, cmdPool, 1, &primaryCommandBuffer);
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vkMeshLoader::freeMeshBufferResources(device, &meshes.ufo);
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for (auto& thread : renderThreads)
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for (auto& thread : threadData)
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{
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vkFreeCommandBuffers(device, thread.cmdPool, thread.cmdBuffers.size(), thread.cmdBuffers.data());
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vkDestroyCommandPool(device, thread.cmdPool, nullptr);
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vkTools::destroyUniformData(device, &thread.uniformData);
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vkFreeCommandBuffers(device, thread.commandPool, thread.commandBuffer.size(), thread.commandBuffer.data());
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vkDestroyCommandPool(device, thread.commandPool, nullptr);
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}
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}
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// Update thread's uniform buffer
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static void threadUpdate(RenderThread *thread)
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// Create all threads and initialize shader push constants
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void prepareMultiThreadedRenderer()
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{
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// Since this demo updates the command buffers on each frame
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// we don't use the per-framebuffer command buffers from the
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// base class, and create a single primary command buffer instead
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VkCommandBufferAllocateInfo primaryAllocateInfo =
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vkTools::initializers::commandBufferAllocateInfo(
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cmdPool,
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VK_COMMAND_BUFFER_LEVEL_PRIMARY,
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1);
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vkTools::checkResult(vkAllocateCommandBuffers(device, &primaryAllocateInfo, &primaryCommandBuffer));
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threadData.resize(numThreads);
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createSetupCommandBuffer();
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for (uint32_t i = 0; i < numThreads; i++)
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{
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ThreadData *thread = &threadData[i];
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// Create one command pool for each thread
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VkCommandPoolCreateInfo cmdPoolInfo = vkTools::initializers::commandPoolCreateInfo();
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cmdPoolInfo.queueFamilyIndex = swapChain.queueNodeIndex;
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cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
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vkTools::checkResult(vkCreateCommandPool(device, &cmdPoolInfo, nullptr, &thread->commandPool));
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// One secondary command buffer per object that is updated by this thread
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thread->commandBuffer.resize(numObjectsPerThread);
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// Generate secondary command buffers for each thread
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VkCommandBufferAllocateInfo cmdBufAllocateInfo =
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vkTools::initializers::commandBufferAllocateInfo(
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thread->commandPool,
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VK_COMMAND_BUFFER_LEVEL_SECONDARY,
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thread->commandBuffer.size());
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vkTools::checkResult(vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, thread->commandBuffer.data()));
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// Unique vertex and index buffers per thread
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createBuffer(
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VK_BUFFER_USAGE_VERTEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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meshes.ufo.vertices.size,
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nullptr,
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&thread->meshData.vertices.buf,
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&thread->meshData.vertices.mem);
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createBuffer(
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VK_BUFFER_USAGE_INDEX_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT,
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meshes.ufo.indices.size,
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nullptr,
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&thread->meshData.indices.buf,
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&thread->meshData.indices.mem);
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// Copy from mesh buffer
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VkBufferCopy copyRegion = {};
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// Vertex buffer
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copyRegion.size = meshes.ufo.vertices.size;
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vkCmdCopyBuffer(
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setupCmdBuffer,
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meshes.ufo.vertices.buf,
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thread->meshData.vertices.buf,
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1,
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©Region);
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// Index buffer
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copyRegion.size = meshes.ufo.indices.size;
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vkCmdCopyBuffer(
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setupCmdBuffer,
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meshes.ufo.indices.buf,
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thread->meshData.indices.buf,
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1,
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©Region);
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thread->meshData.indexCount = meshes.ufo.indexCount;
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float step = 360.0f / (float)numThreads;
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float radius = 20.0f;
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thread->meshData.pos.x = sin(glm::radians(step * i)) * radius;
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thread->meshData.pos.z = cos(glm::radians(step * i)) * radius;
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thread->meshData.rotation = glm::vec3(0.0f, (float)(rand() % 360), 0.0f);
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thread->meshData.deltaT = (float)(rand() % 255) / 255.0f;
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}
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// Submit buffer copies to the queue
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flushSetupCommandBuffer();
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// todo : fence?
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}
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// Builds the secondary command buffer for each thread
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void threadRenderCode(uint32_t threadIndex, uint32_t cmdBufferIndex, VkCommandBufferInheritanceInfo inheritanceInfo)
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{
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VkCommandBufferBeginInfo commandBufferBeginInfo = vkTools::initializers::commandBufferBeginInfo();
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commandBufferBeginInfo.flags = VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
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commandBufferBeginInfo.pInheritanceInfo = &inheritanceInfo;
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ThreadData *thread = &threadData[threadIndex];
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VkCommandBuffer cmdBuffer = thread->commandBuffer[cmdBufferIndex];
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vkTools::checkResult(vkBeginCommandBuffer(cmdBuffer, &commandBufferBeginInfo));
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VkViewport viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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vkCmdSetViewport(cmdBuffer, 0, 1, &viewport);
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VkRect2D scissor = vkTools::initializers::rect2D(width, height, 0, 0);
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vkCmdSetScissor(cmdBuffer, 0, 1, &scissor);
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vkCmdBindPipeline(cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.phong);
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// Update
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// todo : timebased
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thread->meshData.rotation.y += 0.15f;
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if (thread->meshData.rotation.y > 360.0f)
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thread->meshData.rotation.y -= 360.0f;
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@ -151,170 +260,32 @@ public:
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thread->meshData.deltaT -= 1.0f;
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thread->meshData.pos.y = sin(glm::radians(thread->meshData.deltaT * 360.0f)) * 1.5f;
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thread->ubo.model = glm::translate(glm::mat4(), thread->meshData.pos);
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thread->ubo.model = glm::rotate(thread->ubo.model, -sinf(glm::radians(thread->meshData.deltaT * 360.0f)) * 0.25f, glm::vec3(1.0f, 0.0f, 0.0f));
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thread->ubo.model = glm::rotate(thread->ubo.model, glm::radians(thread->meshData.rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
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thread->ubo.model = glm::rotate(thread->ubo.model, glm::radians(thread->meshData.deltaT * 360.0f), glm::vec3(0.0f, 1.0f, 0.0f));
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glm::mat4 model = glm::translate(glm::mat4(), thread->meshData.pos);
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model = glm::rotate(model, -sinf(glm::radians(thread->meshData.deltaT * 360.0f)) * 0.25f, glm::vec3(1.0f, 0.0f, 0.0f));
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model = glm::rotate(model, glm::radians(thread->meshData.rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
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model = glm::rotate(model, glm::radians(thread->meshData.deltaT * 360.0f), glm::vec3(0.0f, 1.0f, 0.0f));
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uint8_t *pData;
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VkResult err = vkMapMemory(thread->device, thread->uniformData.memory, 0, sizeof(UBO), 0, (void **)&pData);
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assert(!err);
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memcpy(pData, &thread->ubo, sizeof(UBO));
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vkUnmapMemory(thread->device, thread->uniformData.memory);
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thread->pushConstBlock.mvp = matrices.projection * matrices.view * model;
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// Update shader push constant block
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// Contains model view matrix
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vkCmdPushConstants(
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cmdBuffer,
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pipelineLayout,
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VK_SHADER_STAGE_VERTEX_BIT,
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0,
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sizeof(ThreadPushConstantBlock),
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&thread->pushConstBlock);
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VkDeviceSize offsets[1] = { 0 };
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vkCmdBindVertexBuffers(cmdBuffer, 0, 1, &thread->meshData.vertices.buf, offsets);
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vkCmdBindIndexBuffer(cmdBuffer, thread->meshData.indices.buf, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(cmdBuffer, thread->meshData.indexCount, 1, 0, 0, 0);
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vkTools::checkResult(vkEndCommandBuffer(cmdBuffer));
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}
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// Update command buffer
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static void threadSetup(RenderThread *thread)
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{
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// Push constant block
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// Color
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// todo : randomize
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thread->pushConstantBlock.color = glm::vec3(1.0f, 1.0f, 1.0f);
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// Model matrix
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glm::mat4 modelMat = glm::translate(glm::mat4(), thread->meshData.pos);
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modelMat = glm::rotate(modelMat, -sinf(glm::radians(thread->meshData.deltaT * 360.0f)) * 0.25f, glm::vec3(1.0f, 0.0f, 0.0f));
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modelMat = glm::rotate(modelMat, glm::radians(thread->meshData.rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
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modelMat = glm::rotate(modelMat, glm::radians(thread->meshData.deltaT * 360.0f), glm::vec3(0.0f, 1.0f, 0.0f));
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thread->pushConstantBlock.model = modelMat;
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// Fill command buffers
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for (uint32_t i = 0; i < thread->cmdBuffers.size(); ++i)
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{
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VkCommandBufferBeginInfo beginInfo = vkTools::initializers::commandBufferBeginInfo();
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beginInfo.flags = VK_COMMAND_BUFFER_USAGE_RENDER_PASS_CONTINUE_BIT;
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beginInfo.pInheritanceInfo = &thread->inheritanceInfo[i];
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vkBeginCommandBuffer(thread->cmdBuffers[i], &beginInfo);
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vkCmdSetViewport(thread->cmdBuffers[i], 0, 1, &thread->viewport);
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vkCmdSetScissor(thread->cmdBuffers[i], 0, 1, &thread->scissor);
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// Update shader push constant block
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// Contains model view matrix
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vkCmdPushConstants(
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thread->cmdBuffers[i],
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thread->pipelineLayout,
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VK_SHADER_STAGE_VERTEX_BIT,
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0,
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sizeof(ThreadPushConstantBlock),
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&thread->pushConstantBlock);
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vkCmdBindPipeline(thread->cmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, thread->pipeline);
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vkCmdBindDescriptorSets(thread->cmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, thread->pipelineLayout, 0, 1, &thread->descriptorSet, 0, NULL);
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// Render mesh
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VkDeviceSize offsets[1] = { 0 };
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vkCmdBindVertexBuffers(thread->cmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &thread->meshData.meshBuffer->vertices.buf, offsets);
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vkCmdBindIndexBuffer(thread->cmdBuffers[i], thread->meshData.meshBuffer->indices.buf, 0, VK_INDEX_TYPE_UINT32);
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vkCmdDrawIndexed(thread->cmdBuffers[i], thread->meshData.meshBuffer->indexCount, 1, 0, 0, 0);
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vkEndCommandBuffer(thread->cmdBuffers[i]);
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}
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}
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// Create all threads and initialize shader push constants
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void prepareMultiThreadedRenderer()
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{
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VkResult err;
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renderThreads.resize(numThreads);
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uint32_t index = 0;
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for (auto& thread : renderThreads)
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{
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thread.index = index;
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// Create command pool
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VkCommandPoolCreateInfo cmdPoolInfo = vkTools::initializers::commandPoolCreateInfo();
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cmdPoolInfo.queueFamilyIndex = swapChain.queueNodeIndex;
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cmdPoolInfo.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT;
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err = vkCreateCommandPool(device, &cmdPoolInfo, nullptr, &thread.cmdPool);
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assert(!err);
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// Create command buffers
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// Use secondary level command buffers
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thread.cmdBuffers.resize(swapChain.imageCount);
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VkCommandBufferAllocateInfo cmdBufAllocateInfo =
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vkTools::initializers::commandBufferAllocateInfo(
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thread.cmdPool,
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VK_COMMAND_BUFFER_LEVEL_SECONDARY,
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(uint32_t)thread.cmdBuffers.size());
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err = vkAllocateCommandBuffers(device, &cmdBufAllocateInfo, thread.cmdBuffers.data());
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assert(!err);
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// Vulkan objects
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thread.device = device;
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// todo...
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thread.viewport = vkTools::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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thread.viewport.width = (float)width / (float)numThreads;
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thread.viewport.height = (float)height;
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thread.viewport.x = thread.viewport.width * thread.index;
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thread.scissor = vkTools::initializers::rect2D(width, height, 0, 0);
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thread.pipeline = pipelines.phong;
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thread.pipelineLayout = pipelineLayout;
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// Inheritance info for secondary command buffers
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for (uint32_t i = 0; i < thread.cmdBuffers.size(); ++i)
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{
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VkCommandBufferInheritanceInfo inheritanceInfo = vkTools::initializers::commandBufferInheritanceInfo();
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inheritanceInfo.renderPass = renderPass;
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inheritanceInfo.framebuffer = frameBuffers[i];
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||||
thread.inheritanceInfo.push_back(inheritanceInfo);
|
||||
}
|
||||
|
||||
// Separate vertex shader uniform buffer block for each thread
|
||||
createBuffer(
|
||||
VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
|
||||
sizeof(UBO),
|
||||
&thread.ubo,
|
||||
&thread.uniformData.buffer,
|
||||
&thread.uniformData.memory,
|
||||
&thread.uniformData.descriptor);
|
||||
|
||||
// Descriptor set
|
||||
VkDescriptorSetAllocateInfo allocInfo =
|
||||
vkTools::initializers::descriptorSetAllocateInfo(
|
||||
descriptorPool,
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
VkResult vkRes = vkAllocateDescriptorSets(device, &allocInfo, &thread.descriptorSet);
|
||||
assert(!vkRes);
|
||||
|
||||
std::vector<VkWriteDescriptorSet> writeDescriptorSets =
|
||||
{
|
||||
// Binding 0 : Vertex shader uniform buffer
|
||||
vkTools::initializers::writeDescriptorSet(
|
||||
thread.descriptorSet,
|
||||
VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
|
||||
0,
|
||||
&thread.uniformData.descriptor)
|
||||
};
|
||||
|
||||
vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
|
||||
|
||||
// Initialize mesh data
|
||||
thread.meshData.pos = glm::vec3(0.0f, 0.0f, 0.0f);
|
||||
// thread.meshData.pos = glm::vec3((float)index * 4.0f - (float)(numThreads - 1) * 2.0f, 0.0f, 0.0f);
|
||||
thread.meshData.rotation = glm::vec3(0.0f, (float)(rand() % 360), 0.0f);
|
||||
thread.meshData.deltaT = (float)(rand() % 255) / 255.0f;
|
||||
// todo : different models (and multiple meshes) per thread
|
||||
thread.meshData.meshBuffer = &meshes.ufo;
|
||||
|
||||
// Create thread
|
||||
thread.thread = std::thread(VulkanExample::threadSetup, &thread);
|
||||
|
||||
index++;
|
||||
}
|
||||
|
||||
for (auto& thread : renderThreads)
|
||||
{
|
||||
thread.thread.join();
|
||||
}
|
||||
}
|
||||
|
||||
void buildCommandBuffers()
|
||||
void updateCommandBuffers(VkFramebuffer frameBuffer)
|
||||
{
|
||||
VkCommandBufferBeginInfo cmdBufInfo = vkTools::initializers::commandBufferBeginInfo();
|
||||
|
||||
|
|
@ -331,80 +302,76 @@ public:
|
|||
renderPassBeginInfo.renderArea.extent.height = height;
|
||||
renderPassBeginInfo.clearValueCount = 2;
|
||||
renderPassBeginInfo.pClearValues = clearValues;
|
||||
renderPassBeginInfo.framebuffer = frameBuffer;
|
||||
|
||||
VkResult err;
|
||||
// Set target frame buffer
|
||||
|
||||
for (int32_t i = 0; i < drawCmdBuffers.size(); ++i)
|
||||
vkTools::checkResult(vkBeginCommandBuffer(primaryCommandBuffer, &cmdBufInfo));
|
||||
|
||||
// The primary command buffer does not contain any rendering commands
|
||||
// These are stored (and retrieved) from the secondary command buffers
|
||||
vkCmdBeginRenderPass(primaryCommandBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
|
||||
|
||||
std::vector<VkCommandBuffer> commandBuffers;
|
||||
|
||||
// Inheritance info for the secondary command buffers
|
||||
VkCommandBufferInheritanceInfo inheritanceInfo = vkTools::initializers::commandBufferInheritanceInfo();
|
||||
inheritanceInfo.renderPass = renderPass;
|
||||
// Secondary command buffer also use the currently active framebuffer
|
||||
inheritanceInfo.framebuffer = frameBuffer;
|
||||
|
||||
for (uint32_t t = 0; t < numThreads; t++)
|
||||
{
|
||||
// Set target frame buffer
|
||||
renderPassBeginInfo.framebuffer = frameBuffers[i];
|
||||
|
||||
err = vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo);
|
||||
assert(!err);
|
||||
|
||||
// The primary command buffer does not contain any rendering commands
|
||||
// These are stored (and retrieved) from the secondary command buffers
|
||||
|
||||
vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS);
|
||||
|
||||
// Execute secondary command buffers
|
||||
for (auto& renderThread : renderThreads)
|
||||
{
|
||||
// todo : Make sure threads are finished before accessing their command buffers
|
||||
vkCmdExecuteCommands(drawCmdBuffers[i], 1, &renderThread.cmdBuffers[i]);
|
||||
}
|
||||
|
||||
vkCmdEndRenderPass(drawCmdBuffers[i]);
|
||||
|
||||
err = vkEndCommandBuffer(drawCmdBuffers[i]);
|
||||
assert(!err);
|
||||
threadPool.threads[t]->addJob([=] { threadRenderCode(t, 0, inheritanceInfo); });
|
||||
commandBuffers.push_back(threadData[t].commandBuffer[0]);
|
||||
}
|
||||
|
||||
threadPool.wait();
|
||||
|
||||
// Execute render commands from the secondary command buffer
|
||||
vkCmdExecuteCommands(primaryCommandBuffer, commandBuffers.size(), commandBuffers.data());
|
||||
|
||||
vkCmdEndRenderPass(primaryCommandBuffer);
|
||||
|
||||
vkTools::checkResult(vkEndCommandBuffer(primaryCommandBuffer));
|
||||
}
|
||||
|
||||
void draw()
|
||||
{
|
||||
if (!paused)
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
VkResult err;
|
||||
|
||||
// Get next image in the swap chain (back/front buffer)
|
||||
err = swapChain.acquireNextImage(semaphores.presentComplete, ¤tBuffer);
|
||||
assert(!err);
|
||||
vkTools::checkResult(swapChain.acquireNextImage(semaphores.presentComplete, ¤tBuffer));
|
||||
|
||||
submitPostPresentBarrier(swapChain.buffers[currentBuffer].image);
|
||||
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
|
||||
updateCommandBuffers(frameBuffers[currentBuffer]);
|
||||
|
||||
// Put a fence in here
|
||||
submitInfo.commandBufferCount = 1;
|
||||
submitInfo.pCommandBuffers = &primaryCommandBuffer;
|
||||
|
||||
// Setup a wait fence
|
||||
// todo : reuse
|
||||
VkFence renderFence = {};
|
||||
VkFenceCreateInfo fenceCreateInfo = vkTools::initializers::fenceCreateInfo(VK_FLAGS_NONE);
|
||||
vkCreateFence(device, &fenceCreateInfo, NULL, &renderFence);
|
||||
|
||||
// Submit draw command buffer
|
||||
err = vkQueueSubmit(queue, 1, &submitInfo, renderFence);
|
||||
assert(!err);
|
||||
vkTools::checkResult(vkQueueSubmit(queue, 1, &submitInfo, renderFence));
|
||||
|
||||
// Wait for fence to signal that all command buffers are ready
|
||||
VkResult fenceRes;
|
||||
do
|
||||
{
|
||||
err = vkWaitForFences(device, 1, &renderFence, VK_TRUE, 100000000);
|
||||
} while (err == VK_TIMEOUT);
|
||||
assert(!err);
|
||||
// todo : timeout as define
|
||||
fenceRes = vkWaitForFences(device, 1, &renderFence, VK_TRUE, 100000000);
|
||||
} while (fenceRes == VK_TIMEOUT);
|
||||
vkTools::checkResult(fenceRes);
|
||||
|
||||
submitPrePresentBarrier(swapChain.buffers[currentBuffer].image);
|
||||
|
||||
err = swapChain.queuePresent(queue, currentBuffer, semaphores.renderComplete);
|
||||
assert(!err);
|
||||
vkTools::checkResult(swapChain.queuePresent(queue, currentBuffer, semaphores.renderComplete));
|
||||
|
||||
vkDestroyFence(device, renderFence, nullptr);
|
||||
|
||||
err = vkQueueWaitIdle(queue);
|
||||
assert(!err);
|
||||
vkTools::checkResult(vkQueueWaitIdle(queue));
|
||||
}
|
||||
|
||||
void loadMeshes()
|
||||
|
|
@ -458,19 +425,33 @@ public:
|
|||
{
|
||||
std::vector<VkDescriptorPoolSize> poolSizes =
|
||||
{
|
||||
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3 + numThreads)
|
||||
vkTools::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3)
|
||||
};
|
||||
|
||||
VkDescriptorPoolCreateInfo descriptorPoolInfo =
|
||||
vkTools::initializers::descriptorPoolCreateInfo(
|
||||
poolSizes.size(),
|
||||
poolSizes.data(),
|
||||
3 + numThreads);
|
||||
3);
|
||||
|
||||
VkResult vkRes = vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool);
|
||||
assert(!vkRes);
|
||||
}
|
||||
|
||||
void setupDescriptorSet()
|
||||
{
|
||||
// todo :
|
||||
VkDescriptorSetAllocateInfo allocInfo =
|
||||
vkTools::initializers::descriptorSetAllocateInfo(
|
||||
descriptorPool,
|
||||
&descriptorSetLayout,
|
||||
1);
|
||||
|
||||
vkTools::checkResult(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
|
||||
|
||||
vkUpdateDescriptorSets(device, 0, nullptr, 0, nullptr);
|
||||
}
|
||||
|
||||
void setupDescriptorSetLayout()
|
||||
{
|
||||
std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings =
|
||||
|
|
@ -499,7 +480,7 @@ public:
|
|||
VkPushConstantRange pushConstantRange =
|
||||
vkTools::initializers::pushConstantRange(
|
||||
VK_PIPELINE_STAGE_VERTEX_SHADER_BIT,
|
||||
sizeof(glm::mat4),
|
||||
sizeof(ThreadPushConstantBlock),
|
||||
0);
|
||||
|
||||
// Push constant ranges are part of the pipeline layout
|
||||
|
|
@ -587,27 +568,13 @@ public:
|
|||
assert(!err);
|
||||
}
|
||||
|
||||
void updateUniformBuffers()
|
||||
void updateMatrices()
|
||||
{
|
||||
glm::mat4 projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.1f, 256.0f);
|
||||
|
||||
glm::mat4 view = glm::translate(glm::mat4(), glm::vec3(0.0f, 0.0f, zoom));
|
||||
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));
|
||||
|
||||
for (auto& thread : renderThreads)
|
||||
{
|
||||
//thread.ubo.projection = projection;
|
||||
thread.ubo.projection = glm::perspective(glm::radians(60.0f), (float)thread.viewport.width / (float)thread.viewport.height, 0.1f, 256.0f);
|
||||
thread.ubo.view = view;
|
||||
thread.thread = std::thread(VulkanExample::threadUpdate, &thread);
|
||||
}
|
||||
|
||||
for (auto& thread : renderThreads)
|
||||
{
|
||||
thread.thread.join();
|
||||
}
|
||||
matrices.projection = glm::perspective(glm::radians(60.0f), (float)width / (float)height, 0.1f, 256.0f);
|
||||
matrices.view = glm::translate(glm::mat4(), glm::vec3(0.0f, 0.0f, zoom));
|
||||
matrices.view = glm::rotate(matrices.view, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
|
||||
matrices.view = glm::rotate(matrices.view, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
|
||||
matrices.view = glm::rotate(matrices.view, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
|
||||
}
|
||||
|
||||
void prepare()
|
||||
|
|
@ -618,9 +585,9 @@ public:
|
|||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSet();
|
||||
prepareMultiThreadedRenderer();
|
||||
updateUniformBuffers();
|
||||
buildCommandBuffers();
|
||||
updateMatrices();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
|
|
@ -635,18 +602,13 @@ public:
|
|||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
if (paused)
|
||||
{
|
||||
|
||||
updateUniformBuffers();
|
||||
}
|
||||
updateMatrices();
|
||||
}
|
||||
};
|
||||
|
||||
VulkanExample *vulkanExample;
|
||||
|
||||
#ifdef _WIN32
|
||||
|
||||
#if defined(_WIN32)
|
||||
LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
if (vulkanExample != NULL)
|
||||
|
|
@ -655,9 +617,7 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|||
}
|
||||
return (DefWindowProc(hWnd, uMsg, wParam, lParam));
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
#elif defined(__linux__) && !defined(__ANDROID__)
|
||||
static void handleEvent(const xcb_generic_event_t *event)
|
||||
{
|
||||
if (vulkanExample != NULL)
|
||||
|
|
@ -667,21 +627,42 @@ static void handleEvent(const xcb_generic_event_t *event)
|
|||
}
|
||||
#endif
|
||||
|
||||
#ifdef _WIN32
|
||||
// Main entry point
|
||||
#if defined(_WIN32)
|
||||
// Windows entry point
|
||||
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR pCmdLine, int nCmdShow)
|
||||
#else
|
||||
#elif defined(__ANDROID__)
|
||||
// Android entry point
|
||||
void android_main(android_app* state)
|
||||
#elif defined(__linux__)
|
||||
// Linux entry point
|
||||
int main(const int argc, const char *argv[])
|
||||
#endif
|
||||
{
|
||||
#if defined(__ANDROID__)
|
||||
// Removing this may cause the compiler to omit the main entry point
|
||||
// which would make the application crash at start
|
||||
app_dummy();
|
||||
#endif
|
||||
vulkanExample = new VulkanExample();
|
||||
#ifdef _WIN32
|
||||
#if defined(_WIN32)
|
||||
vulkanExample->setupWindow(hInstance, WndProc);
|
||||
#else
|
||||
#elif defined(__ANDROID__)
|
||||
// Attach vulkan example to global android application state
|
||||
state->userData = vulkanExample;
|
||||
state->onAppCmd = VulkanExample::handleAppCommand;
|
||||
state->onInputEvent = VulkanExample::handleAppInput;
|
||||
vulkanExample->androidApp = state;
|
||||
#elif defined(__linux__)
|
||||
vulkanExample->setupWindow();
|
||||
#endif
|
||||
#if !defined(__ANDROID__)
|
||||
vulkanExample->initSwapchain();
|
||||
vulkanExample->prepare();
|
||||
#endif
|
||||
vulkanExample->renderLoop();
|
||||
delete(vulkanExample);
|
||||
#if !defined(__ANDROID__)
|
||||
return 0;
|
||||
#endif
|
||||
}
|
||||
|
|
@ -17,6 +17,7 @@
|
|||
<ClCompile Include="multithreading.cpp" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\base\threadpool.hpp" />
|
||||
<ClInclude Include="..\base\vulkandebug.h" />
|
||||
<ClInclude Include="..\base\vulkanexamplebase.h" />
|
||||
<ClInclude Include="..\base\vulkantools.h" />
|
||||
|
|
|
|||
|
|
@ -38,5 +38,8 @@
|
|||
<ClInclude Include="..\base\vulkantools.h">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
<ClInclude Include="..\base\threadpool.hpp">
|
||||
<Filter>Header Files</Filter>
|
||||
</ClInclude>
|
||||
</ItemGroup>
|
||||
</Project>
|
||||
Loading…
Add table
Add a link
Reference in a new issue