Removed incomplete example
This commit is contained in:
saschawillems
parent
df223f5b9b
commit
3540e9e07a
2 changed files with 0 additions and 455 deletions
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@ -94,7 +94,6 @@ set(EXAMPLES
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texturecubemap
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texturemipmapgen
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texturesparseresidency
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timestampquery
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triangle
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viewportarray
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vulkanscene
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@ -1,454 +0,0 @@
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/*
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* Vulkan Example - Using device timestamps for performance measurements
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*
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* Copyright (C) 2017 by Sascha Willems - www.saschawillems.de
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*
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* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <vector>
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#define GLM_FORCE_RADIANS
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#define GLM_FORCE_DEPTH_ZERO_TO_ONE
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#include <glm/glm.hpp>
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#include <glm/gtc/matrix_transform.hpp>
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#include <vulkan/vulkan.h>
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#include "vulkanexamplebase.h"
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#include "VulkanBuffer.hpp"
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#include "VulkanModel.hpp"
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#define ENABLE_VALIDATION false
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#define OBJ_DIM 0.05f
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class VulkanExample : public VulkanExampleBase
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{
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public:
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// Vertex layout for the models
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vks::VertexLayout vertexLayout = vks::VertexLayout({
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vks::VERTEX_COMPONENT_POSITION,
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vks::VERTEX_COMPONENT_NORMAL,
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vks::VERTEX_COMPONENT_COLOR,
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});
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struct Models {
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vks::Model skybox;
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std::vector<vks::Model> objects;
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int32_t objectIndex = 3;
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std::vector<std::string> names;
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} models;
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struct {
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vks::Buffer VS;
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} uniformBuffers;
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struct UBOVS {
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glm::mat4 projection;
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glm::mat4 modelview;
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glm::vec4 lightPos = glm::vec4(-10.0f, -10.0f, 10.0f, 1.0f);
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} uboVS;
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std::vector<VkPipeline> pipelines;
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std::vector<std::string> pipelineNames;
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int32_t pipelineIndex = 0;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSet descriptorSet;
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VkDescriptorSetLayout descriptorSetLayout;
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VkQueryPool queryPool;
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std::vector<float> timings;
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int32_t gridSize = 3;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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title = "Device timestamps";
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camera.type = Camera::CameraType::firstperson;
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camera.setPosition(glm::vec3(-4.0f, 3.0f, -3.75f));
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camera.setRotation(glm::vec3(-15.25f, -46.5f, 0.0f));
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camera.movementSpeed = 4.0f;
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camera.setPerspective(60.0f, (float)width / (float)height, 0.1f, 256.0f);
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camera.rotationSpeed = 0.25f;
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settings.overlay = true;
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}
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~VulkanExample()
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{
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for (auto& pipeline : pipelines) {
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vkDestroyPipeline(device, pipeline, nullptr);
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}
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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vkDestroyQueryPool(device, queryPool, nullptr);
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uniformBuffers.VS.destroy();
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for (auto& model : models.objects) {
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model.destroy();
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}
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//models.skybox.destroy();
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}
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// Setup a query pool for storing device timestamp query results
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void setupQueryPool()
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{
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timings.resize(3);
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// Create query pool
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VkQueryPoolCreateInfo queryPoolInfo = {};
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queryPoolInfo.sType = VK_STRUCTURE_TYPE_QUERY_POOL_CREATE_INFO;
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queryPoolInfo.queryType = VK_QUERY_TYPE_TIMESTAMP;
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queryPoolInfo.queryCount = static_cast<uint32_t>(timings.size() - 1);
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VK_CHECK_RESULT(vkCreateQueryPool(device, &queryPoolInfo, NULL, &queryPool));
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}
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// Retrieves the results of the occlusion queries submitted to the command buffer
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void getQueryResults()
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{
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timings.resize(2);
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uint32_t start = 0;
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uint32_t end = 0;
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vkGetQueryPoolResults(device, queryPool, 0, 1, sizeof(uint32_t), &start, 0, VK_QUERY_RESULT_WAIT_BIT);
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// timestampPeriod is the number of nanoseconds per timestamp value increment
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float factor = 1e6f * deviceProperties.limits.timestampPeriod;
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vkGetQueryPoolResults(device, queryPool, 1, 1, sizeof(uint32_t), &end, 0, VK_QUERY_RESULT_WAIT_BIT);
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timings[0] = (float)(end - start) / factor;
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//end = start;
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vkGetQueryPoolResults(device, queryPool, 2, 1, sizeof(uint32_t), &end, 0, VK_QUERY_RESULT_WAIT_BIT);
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timings[1] = (float)(end - start) / factor;
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}
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void buildCommandBuffers()
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{
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VkCommandBufferBeginInfo cmdBufInfo = vks::initializers::commandBufferBeginInfo();
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VkClearValue clearValues[2];
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clearValues[0].color = defaultClearColor;
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clearValues[1].depthStencil = { 1.0f, 0 };
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VkRenderPassBeginInfo renderPassBeginInfo = vks::initializers::renderPassBeginInfo();
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renderPassBeginInfo.renderPass = renderPass;
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renderPassBeginInfo.renderArea.offset.x = 0;
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renderPassBeginInfo.renderArea.offset.y = 0;
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renderPassBeginInfo.renderArea.extent.width = width;
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renderPassBeginInfo.renderArea.extent.height = height;
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renderPassBeginInfo.clearValueCount = 2;
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renderPassBeginInfo.pClearValues = clearValues;
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for (int32_t i = 0; i < drawCmdBuffers.size(); ++i) {
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renderPassBeginInfo.framebuffer = frameBuffers[i];
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VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
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// Reset timestamp query pool
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vkCmdResetQueryPool(drawCmdBuffers[i], queryPool, 0, 2);
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vkCmdBeginRenderPass(drawCmdBuffers[i], &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
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VkViewport viewport = vks::initializers::viewport((float)width, (float)height, 0.0f, 1.0f);
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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VkRect2D scissor = vks::initializers::rect2D(width, height, 0, 0);
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vkCmdSetScissor(drawCmdBuffers[i], 0, 1, &scissor);
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VkDeviceSize offsets[1] = { 0 };
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vkCmdWriteTimestamp(drawCmdBuffers[i], VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, queryPool, 0);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines[pipelineIndex]);
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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
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vkCmdBindVertexBuffers(drawCmdBuffers[i], 0, 1, &models.objects[models.objectIndex].vertices.buffer, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], models.objects[models.objectIndex].indices.buffer, 0, VK_INDEX_TYPE_UINT32);
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for (uint32_t y = 0; y < gridSize; y++) {
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for (uint32_t x = 0; x < gridSize; x++) {
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glm::vec3 pos = glm::vec3(float(x - (gridSize / 2.0f)) * 2.5f, 0.0f, float(y - (gridSize / 2.0f)) * 2.5f);
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vkCmdPushConstants(drawCmdBuffers[i], pipelineLayout, VK_SHADER_STAGE_VERTEX_BIT, 0, sizeof(glm::vec3), &pos);
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vkCmdDrawIndexed(drawCmdBuffers[i], models.objects[models.objectIndex].indexCount, 1, 0, 0, 0);
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}
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}
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vkCmdWriteTimestamp(drawCmdBuffers[i], VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, queryPool, 1);
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vkCmdWriteTimestamp(drawCmdBuffers[i], VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, queryPool, 2);
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vkCmdEndRenderPass(drawCmdBuffers[i]);
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VK_CHECK_RESULT(vkEndCommandBuffer(drawCmdBuffers[i]));
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}
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}
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void draw()
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{
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VulkanExampleBase::prepareFrame();
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submitInfo.commandBufferCount = 1;
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submitInfo.pCommandBuffers = &drawCmdBuffers[currentBuffer];
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VK_CHECK_RESULT(vkQueueSubmit(queue, 1, &submitInfo, VK_NULL_HANDLE));
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// Read query results for displaying in next frame
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getQueryResults();
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VulkanExampleBase::submitFrame();
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}
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void loadAssets()
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{
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// Skybox
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// models.skybox.loadFromFile(getAssetPath() + "models/cube.obj", vertexLayout, 1.0f, vulkanDevice, queue);
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// Objects
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std::vector<std::string> filenames = { "geosphere.obj", "teapot.dae", "torusknot.obj", "venus.fbx" };
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for (auto file : filenames) {
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vks::Model model;
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model.loadFromFile(getAssetPath() + "models/" + file, vertexLayout, OBJ_DIM * (file == "venus.fbx" ? 3.0f : 1.0f), vulkanDevice, queue);
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models.objects.push_back(model);
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}
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models.names = { "Sphere", "Teapot", "Torusknot", "Venus" };
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}
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void setupDescriptorPool()
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{
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std::vector<VkDescriptorPoolSize> poolSizes =
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{
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// One uniform buffer block for each mesh
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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 3)
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};
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VkDescriptorPoolCreateInfo descriptorPoolInfo =
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vks::initializers::descriptorPoolCreateInfo(
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poolSizes.size(),
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poolSizes.data(),
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3);
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VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolInfo, nullptr, &descriptorPool));
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}
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void setupDescriptorSetLayout()
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{
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std::vector<VkDescriptorSetLayoutBinding> setLayoutBindings = {
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vks::initializers::descriptorSetLayoutBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, VK_SHADER_STAGE_VERTEX_BIT, 0)
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayout =
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vks::initializers::descriptorSetLayoutCreateInfo(setLayoutBindings);
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
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VkPipelineLayoutCreateInfo pipelineLayoutCreateInfo =
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vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
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VkPushConstantRange pushConstantRange = vks::initializers::pushConstantRange(VK_SHADER_STAGE_VERTEX_BIT, sizeof(glm::vec3), 0);
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pipelineLayoutCreateInfo.pushConstantRangeCount = 1;
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pipelineLayoutCreateInfo.pPushConstantRanges = &pushConstantRange;
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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}
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void setupDescriptorSets()
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{
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VkDescriptorSetAllocateInfo allocInfo =
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vks::initializers::descriptorSetAllocateInfo(descriptorPool, &descriptorSetLayout, 1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets = {
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vks::initializers::writeDescriptorSet(descriptorSet, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &uniformBuffers.VS.descriptor)
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};
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vkUpdateDescriptorSets(device, writeDescriptorSets.size(), writeDescriptorSets.data(), 0, NULL);
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}
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void preparePipelines()
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{
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VkPipelineInputAssemblyStateCreateInfo inputAssemblyState =
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vks::initializers::pipelineInputAssemblyStateCreateInfo(
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VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,
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0,
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VK_FALSE);
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VkPipelineRasterizationStateCreateInfo rasterizationState =
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vks::initializers::pipelineRasterizationStateCreateInfo(
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VK_POLYGON_MODE_FILL,
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VK_CULL_MODE_NONE,
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VK_FRONT_FACE_CLOCKWISE,
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0);
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VkPipelineColorBlendAttachmentState blendAttachmentState =
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vks::initializers::pipelineColorBlendAttachmentState(
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0xf,
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VK_FALSE);
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VkPipelineColorBlendStateCreateInfo colorBlendState =
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vks::initializers::pipelineColorBlendStateCreateInfo(
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1,
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&blendAttachmentState);
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VkPipelineDepthStencilStateCreateInfo depthStencilState =
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vks::initializers::pipelineDepthStencilStateCreateInfo(
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VK_TRUE,
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VK_TRUE,
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VK_COMPARE_OP_LESS_OR_EQUAL);
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VkPipelineViewportStateCreateInfo viewportState =
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vks::initializers::pipelineViewportStateCreateInfo(1, 1, 0);
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VkPipelineMultisampleStateCreateInfo multisampleState =
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vks::initializers::pipelineMultisampleStateCreateInfo(
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VK_SAMPLE_COUNT_1_BIT,
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0);
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std::vector<VkDynamicState> dynamicStateEnables = {
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VK_DYNAMIC_STATE_VIEWPORT,
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VK_DYNAMIC_STATE_SCISSOR
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};
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VkPipelineDynamicStateCreateInfo dynamicState =
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vks::initializers::pipelineDynamicStateCreateInfo(
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dynamicStateEnables.data(),
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dynamicStateEnables.size(),
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0);
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VkGraphicsPipelineCreateInfo pipelineCreateInfo =
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vks::initializers::pipelineCreateInfo(
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pipelineLayout,
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renderPass,
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0);
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std::array<VkPipelineShaderStageCreateInfo, 2> shaderStages;
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pipelineCreateInfo.pInputAssemblyState = &inputAssemblyState;
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pipelineCreateInfo.pRasterizationState = &rasterizationState;
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pipelineCreateInfo.pColorBlendState = &colorBlendState;
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pipelineCreateInfo.pMultisampleState = &multisampleState;
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pipelineCreateInfo.pViewportState = &viewportState;
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pipelineCreateInfo.pDepthStencilState = &depthStencilState;
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pipelineCreateInfo.pDynamicState = &dynamicState;
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pipelineCreateInfo.stageCount = shaderStages.size();
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pipelineCreateInfo.pStages = shaderStages.data();
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// Vertex bindings and attributes
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std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
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vks::initializers::vertexInputBindingDescription(0, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX)
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};
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std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
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vks::initializers::vertexInputAttributeDescription(0, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Location 0 : Position
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vks::initializers::vertexInputAttributeDescription(0, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3), // Location 1 : Normal
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vks::initializers::vertexInputAttributeDescription(0, 2, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 6) // Location 3 : Color
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};
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VkPipelineVertexInputStateCreateInfo vertexInputState = vks::initializers::pipelineVertexInputStateCreateInfo();
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vertexInputState.vertexBindingDescriptionCount = static_cast<uint32_t>(vertexInputBindings.size());
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vertexInputState.pVertexBindingDescriptions = vertexInputBindings.data();
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vertexInputState.vertexAttributeDescriptionCount = static_cast<uint32_t>(vertexInputAttributes.size());
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vertexInputState.pVertexAttributeDescriptions = vertexInputAttributes.data();
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pipelineCreateInfo.pVertexInputState = &vertexInputState;
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pipelines.resize(3);
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// Phong shading
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shaderStages[0] = loadShader(getAssetPath() + "shaders/timestampquery/mesh.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/timestampquery/mesh.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines[0]));
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// Color only
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shaderStages[0] = loadShader(getAssetPath() + "shaders/timestampquery/simple.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/timestampquery/simple.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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rasterizationState.cullMode = VK_CULL_MODE_NONE;
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines[1]));
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// Blending
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shaderStages[0] = loadShader(getAssetPath() + "shaders/timestampquery/occluder.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/timestampquery/occluder.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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rasterizationState.cullMode = VK_CULL_MODE_FRONT_BIT;
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blendAttachmentState.blendEnable = VK_TRUE;
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blendAttachmentState.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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blendAttachmentState.srcColorBlendFactor = VK_BLEND_FACTOR_SRC_ALPHA;
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blendAttachmentState.dstColorBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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blendAttachmentState.colorBlendOp = VK_BLEND_OP_ADD;
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blendAttachmentState.srcAlphaBlendFactor = VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA;
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blendAttachmentState.dstAlphaBlendFactor = VK_BLEND_FACTOR_ZERO;
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blendAttachmentState.alphaBlendOp = VK_BLEND_OP_ADD;
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depthStencilState.depthWriteEnable = VK_FALSE;
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines[2]));
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pipelineNames = { "Shaded", "Color only", "Blending" };
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}
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// Prepare and initialize uniform buffer containing shader uniforms
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void prepareUniformBuffers()
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{
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// Vertex shader uniform buffer block
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VK_CHECK_RESULT(vulkanDevice->createBuffer(
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VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT,
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VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT,
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&uniformBuffers.VS,
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sizeof(uboVS)));
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// Map persistent
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VK_CHECK_RESULT(uniformBuffers.VS.map());
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updateUniformBuffers();
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}
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void updateUniformBuffers()
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{
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uboVS.projection = camera.matrices.perspective;
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||||
uboVS.modelview = camera.matrices.view;
|
||||
memcpy(uniformBuffers.VS.mapped, &uboVS, sizeof(uboVS));
|
||||
}
|
||||
|
||||
void prepare()
|
||||
{
|
||||
VulkanExampleBase::prepare();
|
||||
loadAssets();
|
||||
setupQueryPool();
|
||||
prepareUniformBuffers();
|
||||
setupDescriptorSetLayout();
|
||||
preparePipelines();
|
||||
setupDescriptorPool();
|
||||
setupDescriptorSets();
|
||||
buildCommandBuffers();
|
||||
prepared = true;
|
||||
}
|
||||
|
||||
virtual void render()
|
||||
{
|
||||
if (!prepared)
|
||||
return;
|
||||
draw();
|
||||
}
|
||||
|
||||
virtual void viewChanged()
|
||||
{
|
||||
updateUniformBuffers();
|
||||
}
|
||||
|
||||
virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
|
||||
{
|
||||
if (overlay->header("Settings")) {
|
||||
if (overlay->comboBox("Object type", &models.objectIndex, models.names)) {
|
||||
updateUniformBuffers();
|
||||
buildCommandBuffers();
|
||||
}
|
||||
if (overlay->comboBox("Pipeline", &pipelineIndex, pipelineNames)) {
|
||||
buildCommandBuffers();
|
||||
}
|
||||
if (overlay->sliderInt("Grid size", &gridSize, 1, 10)) {
|
||||
buildCommandBuffers();
|
||||
}
|
||||
}
|
||||
if (overlay->header("Timings")) {
|
||||
if (!timings.empty()) {
|
||||
overlay->text("Frame start to VS = %.3f", timings[0]);
|
||||
overlay->text("VS to FS = %.3f", timings[1]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
Loading…
Add table
Add a link
Reference in a new issue