Moved example source files into sub folder
This commit is contained in:
saschawillems
parent
a17e3924b3
commit
94a076e1ae
69 changed files with 685 additions and 164 deletions
438
examples/pipelines/pipelines.cpp
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438
examples/pipelines/pipelines.cpp
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/*
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* Vulkan Example - Using different pipelines in one single renderpass
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*
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* Copyright (C) 2016 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 "VulkanModel.hpp"
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#include "VulkanBuffer.hpp"
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#define VERTEX_BUFFER_BIND_ID 0
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#define ENABLE_VALIDATION false
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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_UV,
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vks::VERTEX_COMPONENT_COLOR,
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});
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struct {
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vks::Model cube;
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} models;
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vks::Buffer uniformBuffer;
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// Same uniform buffer layout as shader
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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(0.0f, 2.0f, 1.0f, 0.0f);
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} uboVS;
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VkPipelineLayout pipelineLayout;
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VkDescriptorSet descriptorSet;
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VkDescriptorSetLayout descriptorSetLayout;
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struct {
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VkPipeline phong;
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VkPipeline wireframe;
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VkPipeline toon;
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} pipelines;
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VulkanExample() : VulkanExampleBase(ENABLE_VALIDATION)
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{
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zoom = -10.5f;
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rotation = glm::vec3(-25.0f, 15.0f, 0.0f);
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title = "Pipeline state objects";
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settings.overlay = true;
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}
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~VulkanExample()
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{
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// Clean up used Vulkan resources
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// Note : Inherited destructor cleans up resources stored in base class
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vkDestroyPipeline(device, pipelines.phong, nullptr);
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if (deviceFeatures.fillModeNonSolid)
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{
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vkDestroyPipeline(device, pipelines.wireframe, nullptr);
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}
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vkDestroyPipeline(device, pipelines.toon, nullptr);
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vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
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vkDestroyDescriptorSetLayout(device, descriptorSetLayout, nullptr);
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models.cube.destroy();
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uniformBuffer.destroy();
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}
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// Enable physical device features required for this example
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virtual void getEnabledFeatures()
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{
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// Fill mode non solid is required for wireframe display
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if (deviceFeatures.fillModeNonSolid) {
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enabledFeatures.fillModeNonSolid = VK_TRUE;
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// Wide lines must be present for line width > 1.0f
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if (deviceFeatures.wideLines) {
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enabledFeatures.wideLines = VK_TRUE;
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}
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};
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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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{
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// Set target frame buffer
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renderPassBeginInfo.framebuffer = frameBuffers[i];
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VK_CHECK_RESULT(vkBeginCommandBuffer(drawCmdBuffers[i], &cmdBufInfo));
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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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vkCmdBindDescriptorSets(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelineLayout, 0, 1, &descriptorSet, 0, NULL);
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VkDeviceSize offsets[1] = { 0 };
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vkCmdBindVertexBuffers(drawCmdBuffers[i], VERTEX_BUFFER_BIND_ID, 1, &models.cube.vertices.buffer, offsets);
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vkCmdBindIndexBuffer(drawCmdBuffers[i], models.cube.indices.buffer, 0, VK_INDEX_TYPE_UINT32);
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// Left : Solid colored
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viewport.width = (float)width / 3.0;
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.phong);
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vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
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// Center : Toon
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viewport.x = (float)width / 3.0;
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.toon);
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// Line width > 1.0f only if wide lines feature is supported
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if (deviceFeatures.wideLines) {
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vkCmdSetLineWidth(drawCmdBuffers[i], 2.0f);
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}
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vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
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if (deviceFeatures.fillModeNonSolid)
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{
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// Right : Wireframe
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viewport.x = (float)width / 3.0 + (float)width / 3.0;
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vkCmdSetViewport(drawCmdBuffers[i], 0, 1, &viewport);
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vkCmdBindPipeline(drawCmdBuffers[i], VK_PIPELINE_BIND_POINT_GRAPHICS, pipelines.wireframe);
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vkCmdDrawIndexed(drawCmdBuffers[i], models.cube.indexCount, 1, 0, 0, 0);
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}
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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 loadAssets()
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{
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models.cube.loadFromFile(getAssetPath() + "models/treasure_smooth.dae", vertexLayout, 1.0f, vulkanDevice, queue);
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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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vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1)
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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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2);
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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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{
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// Binding 0 : Vertex shader uniform buffer
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vks::initializers::descriptorSetLayoutBinding(
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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VK_SHADER_STAGE_VERTEX_BIT,
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0)
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};
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VkDescriptorSetLayoutCreateInfo descriptorLayout =
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vks::initializers::descriptorSetLayoutCreateInfo(
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setLayoutBindings.data(),
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setLayoutBindings.size());
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VK_CHECK_RESULT(vkCreateDescriptorSetLayout(device, &descriptorLayout, nullptr, &descriptorSetLayout));
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VkPipelineLayoutCreateInfo pPipelineLayoutCreateInfo =
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vks::initializers::pipelineLayoutCreateInfo(
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pPipelineLayoutCreateInfo, nullptr, &pipelineLayout));
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}
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void setupDescriptorSet()
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{
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VkDescriptorSetAllocateInfo allocInfo =
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vks::initializers::descriptorSetAllocateInfo(
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descriptorPool,
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&descriptorSetLayout,
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1);
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VK_CHECK_RESULT(vkAllocateDescriptorSets(device, &allocInfo, &descriptorSet));
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std::vector<VkWriteDescriptorSet> writeDescriptorSets =
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{
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// Binding 0 : Vertex shader uniform buffer
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vks::initializers::writeDescriptorSet(
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descriptorSet,
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VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
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0,
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&uniformBuffer.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_BACK_BIT,
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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(VK_SAMPLE_COUNT_1_BIT);
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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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VK_DYNAMIC_STATE_LINE_WIDTH,
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};
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VkPipelineDynamicStateCreateInfo dynamicState =
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vks::initializers::pipelineDynamicStateCreateInfo(dynamicStateEnables);
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VkGraphicsPipelineCreateInfo pipelineCreateInfo =
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vks::initializers::pipelineCreateInfo(pipelineLayout, renderPass);
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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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// Shared vertex bindings and attributes used by all pipelines
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// Binding description
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std::vector<VkVertexInputBindingDescription> vertexInputBindings = {
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vks::initializers::vertexInputBindingDescription(VERTEX_BUFFER_BIND_ID, vertexLayout.stride(), VK_VERTEX_INPUT_RATE_VERTEX),
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};
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// Attribute descriptions
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std::vector<VkVertexInputAttributeDescription> vertexInputAttributes = {
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vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 0, VK_FORMAT_R32G32B32_SFLOAT, 0), // Location 0: Position
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vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 1, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 3), // Location 1: Color
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vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 2, VK_FORMAT_R32G32_SFLOAT, sizeof(float) * 6), // Location 2 : Texture coordinates
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vks::initializers::vertexInputAttributeDescription(VERTEX_BUFFER_BIND_ID, 3, VK_FORMAT_R32G32B32_SFLOAT, sizeof(float) * 8), // Location 3 : Normal
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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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// Create the graphics pipeline state objects
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// We are using this pipeline as the base for the other pipelines (derivatives)
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// Pipeline derivatives can be used for pipelines that share most of their state
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// Depending on the implementation this may result in better performance for pipeline
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// switchting and faster creation time
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pipelineCreateInfo.flags = VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT;
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// Textured pipeline
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// Phong shading pipeline
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shaderStages[0] = loadShader(getAssetPath() + "shaders/pipelines/phong.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/pipelines/phong.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.phong));
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// All pipelines created after the base pipeline will be derivatives
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pipelineCreateInfo.flags = VK_PIPELINE_CREATE_DERIVATIVE_BIT;
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// Base pipeline will be our first created pipeline
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pipelineCreateInfo.basePipelineHandle = pipelines.phong;
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// It's only allowed to either use a handle or index for the base pipeline
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// As we use the handle, we must set the index to -1 (see section 9.5 of the specification)
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pipelineCreateInfo.basePipelineIndex = -1;
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// Toon shading pipeline
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shaderStages[0] = loadShader(getAssetPath() + "shaders/pipelines/toon.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/pipelines/toon.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.toon));
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// Pipeline for wire frame rendering
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// Non solid rendering is not a mandatory Vulkan feature
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if (deviceFeatures.fillModeNonSolid)
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{
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rasterizationState.polygonMode = VK_POLYGON_MODE_LINE;
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shaderStages[0] = loadShader(getAssetPath() + "shaders/pipelines/wireframe.vert.spv", VK_SHADER_STAGE_VERTEX_BIT);
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shaderStages[1] = loadShader(getAssetPath() + "shaders/pipelines/wireframe.frag.spv", VK_SHADER_STAGE_FRAGMENT_BIT);
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VK_CHECK_RESULT(vkCreateGraphicsPipelines(device, pipelineCache, 1, &pipelineCreateInfo, nullptr, &pipelines.wireframe));
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}
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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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// Create the 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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&uniformBuffer,
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sizeof(uboVS)));
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// Map persistent
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VK_CHECK_RESULT(uniformBuffer.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 = glm::perspective(glm::radians(60.0f), (float)(width / 3.0f) / (float)height, 0.1f, 256.0f);
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glm::mat4 viewMatrix = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, zoom));
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uboVS.modelView = viewMatrix * glm::translate(glm::mat4(1.0f), cameraPos);
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uboVS.modelView = glm::rotate(uboVS.modelView, glm::radians(rotation.x), glm::vec3(1.0f, 0.0f, 0.0f));
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uboVS.modelView = glm::rotate(uboVS.modelView, glm::radians(rotation.y), glm::vec3(0.0f, 1.0f, 0.0f));
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uboVS.modelView = glm::rotate(uboVS.modelView, glm::radians(rotation.z), glm::vec3(0.0f, 0.0f, 1.0f));
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memcpy(uniformBuffer.mapped, &uboVS, sizeof(uboVS));
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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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VulkanExampleBase::submitFrame();
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}
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void prepare()
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{
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VulkanExampleBase::prepare();
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loadAssets();
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prepareUniformBuffers();
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setupDescriptorSetLayout();
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preparePipelines();
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setupDescriptorPool();
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setupDescriptorSet();
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buildCommandBuffers();
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prepared = true;
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}
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virtual void render()
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{
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if (!prepared)
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return;
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draw();
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}
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virtual void viewChanged()
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{
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updateUniformBuffers();
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}
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virtual void OnUpdateUIOverlay(vks::UIOverlay *overlay)
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{
|
||||
if (!deviceFeatures.fillModeNonSolid) {
|
||||
if (overlay->header("Info")) {
|
||||
overlay->text("Non solid fill modes not supported!");
|
||||
}
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
VULKAN_EXAMPLE_MAIN()
|
||||
Loading…
Add table
Add a link
Reference in a new issue