mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
257 lines
13 KiB
C++
257 lines
13 KiB
C++
// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// VulkanHpp Samples : PipelineDerivative
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// This sample creates pipeline derivative and draws with it.
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#include "../utils/geometries.hpp"
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#include "../utils/math.hpp"
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#include "../utils/shaders.hpp"
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#include "../utils/utils.hpp"
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#include "vulkan/vulkan.hpp"
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#include "SPIRV/GlslangToSpv.h"
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// For timestamp code (getMilliseconds)
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#ifdef WIN32
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#include <Windows.h>
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#else
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#include <sys/time.h>
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#endif
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typedef unsigned long long timestamp_t;
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timestamp_t getMilliseconds()
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{
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#ifdef WIN32
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LARGE_INTEGER frequency;
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BOOL useQPC = QueryPerformanceFrequency(&frequency);
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if (useQPC)
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{
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LARGE_INTEGER now;
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QueryPerformanceCounter(&now);
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return (1000LL * now.QuadPart) / frequency.QuadPart;
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}
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else
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{
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return GetTickCount();
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}
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#else
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struct timeval now;
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gettimeofday(&now, NULL);
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return (now.tv_usec / 1000) + (timestamp_t)now.tv_sec;
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#endif
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}
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static char const* AppName = "PipelineDerivative";
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static char const* EngineName = "Vulkan.hpp";
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int main(int /*argc*/, char ** /*argv*/)
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{
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try
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{
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vk::UniqueInstance instance = vk::su::createInstance(AppName, EngineName, vk::su::getInstanceExtensions());
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#if !defined(NDEBUG)
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vk::UniqueDebugReportCallbackEXT debugReportCallback = vk::su::createDebugReportCallback(instance);
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#endif
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std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();
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assert(!physicalDevices.empty());
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vk::su::SurfaceData surfaceData(instance, AppName, AppName, vk::Extent2D(500, 500));
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std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex = vk::su::findGraphicsAndPresentQueueFamilyIndex(physicalDevices[0], surfaceData.surface);
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vk::UniqueDevice device = vk::su::createDevice(physicalDevices[0], graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions());
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vk::UniqueCommandPool commandPool = vk::su::createCommandPool(device, graphicsAndPresentQueueFamilyIndex.first);
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std::vector<vk::UniqueCommandBuffer> commandBuffers = device->allocateCommandBuffersUnique(vk::CommandBufferAllocateInfo(commandPool.get(), vk::CommandBufferLevel::ePrimary, 1));
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vk::Queue graphicsQueue = device->getQueue(graphicsAndPresentQueueFamilyIndex.first, 0);
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vk::Queue presentQueue = device->getQueue(graphicsAndPresentQueueFamilyIndex.second, 0);
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vk::su::SwapChainData swapChainData(physicalDevices[0], device, surfaceData.surface, surfaceData.extent, vk::ImageUsageFlagBits::eColorAttachment | vk::ImageUsageFlagBits::eTransferSrc
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, graphicsAndPresentQueueFamilyIndex.first, graphicsAndPresentQueueFamilyIndex.second);
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vk::su::DepthBufferData depthBufferData(physicalDevices[0], device, vk::Format::eD16Unorm, surfaceData.extent);
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vk::su::TextureData textureData(physicalDevices[0], device);
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commandBuffers[0]->begin(vk::CommandBufferBeginInfo());
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textureData.setTexture(device, commandBuffers[0], vk::su::CheckerboardTextureCreator());
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vk::su::BufferData uniformBufferData(physicalDevices[0], device, sizeof(glm::mat4x4), vk::BufferUsageFlagBits::eUniformBuffer);
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vk::su::copyToDevice(device, uniformBufferData.deviceMemory, vk::su::createModelViewProjectionClipMatrix(surfaceData.extent));
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vk::UniqueDescriptorSetLayout descriptorSetLayout = vk::su::createDescriptorSetLayout(device, vk::DescriptorType::eUniformBuffer, true);
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vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(vk::PipelineLayoutCreateInfo(vk::PipelineLayoutCreateFlags(), 1, &descriptorSetLayout.get()));
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vk::UniqueRenderPass renderPass = vk::su::createRenderPass(device, vk::su::pickColorFormat(physicalDevices[0].getSurfaceFormatsKHR(surfaceData.surface.get())), depthBufferData.format);
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glslang::InitializeProcess();
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vk::UniqueShaderModule vertexShaderModule = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T);
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vk::UniqueShaderModule fragmentShaderModule = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C);
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glslang::FinalizeProcess();
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std::vector<vk::UniqueFramebuffer> framebuffers = vk::su::createFramebuffers(device, renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent);
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vk::su::BufferData vertexBufferData(physicalDevices[0], device, sizeof(texturedCubeData), vk::BufferUsageFlagBits::eVertexBuffer);
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vk::su::copyToDevice(device, vertexBufferData.deviceMemory, texturedCubeData, sizeof(texturedCubeData) / sizeof(texturedCubeData[0]));
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vk::UniqueDescriptorPool descriptorPool = vk::su::createDescriptorPool(device, vk::DescriptorType::eUniformBuffer, true);
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std::vector<vk::UniqueDescriptorSet> descriptorSets = device->allocateDescriptorSetsUnique(vk::DescriptorSetAllocateInfo(descriptorPool.get(), 1, &descriptorSetLayout.get()));
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vk::DescriptorBufferInfo bufferInfo(uniformBufferData.buffer.get(), 0, sizeof(glm::mat4x4));
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vk::DescriptorImageInfo imageInfo(textureData.textureSampler.get(), textureData.imageData->imageView.get(), vk::ImageLayout::eShaderReadOnlyOptimal);
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vk::su::updateDescriptorSets(device, descriptorSets[0], vk::DescriptorType::eUniformBuffer, &bufferInfo, &imageInfo);
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vk::UniquePipelineCache pipelineCache = device->createPipelineCacheUnique(vk::PipelineCacheCreateInfo());
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/* VULKAN_KEY_START */
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// Create two pipelines.
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//
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// First pipeline has VK_PIPELINE_CREATE_ALLOW_DERIVATIVES_BIT set.
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// Second pipeline has a modified fragment shader and sets the VK_PIPELINE_CREATE_DERIVATIVE_BIT flag.
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vk::PipelineShaderStageCreateInfo pipelineShaderStageCreateInfos[2] =
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{
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vk::PipelineShaderStageCreateInfo(vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eVertex, vertexShaderModule.get(), "main"),
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vk::PipelineShaderStageCreateInfo(vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule.get(), "main")
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};
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vk::VertexInputBindingDescription vertexInputBindingDescription(0, sizeof(texturedCubeData[0]));
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vk::VertexInputAttributeDescription vertexInputAttributeDescriptions[2] =
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{
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vk::VertexInputAttributeDescription(0, 0, vk::Format::eR32G32B32A32Sfloat, 0),
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vk::VertexInputAttributeDescription(1, 0, vk::Format::eR32G32B32A32Sfloat, 16)
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};
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vk::PipelineVertexInputStateCreateInfo pipelineVertexInputStateCreateInfo(vk::PipelineVertexInputStateCreateFlags(), 1, &vertexInputBindingDescription, 2, vertexInputAttributeDescriptions);
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vk::PipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateCreateInfo(vk::PipelineInputAssemblyStateCreateFlags(), vk::PrimitiveTopology::eTriangleList);
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vk::PipelineViewportStateCreateInfo pipelineViewportStateCreateInfo(vk::PipelineViewportStateCreateFlags(), 1, nullptr, 1, nullptr);
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vk::PipelineRasterizationStateCreateInfo pipelineRasterizationStateCreateInfo(vk::PipelineRasterizationStateCreateFlags(), false, false, vk::PolygonMode::eFill, vk::CullModeFlagBits::eBack, vk::FrontFace::eClockwise, false, 0.0f, 0.0f, 0.0f, 1.0f);
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vk::PipelineMultisampleStateCreateInfo pipelineMultisampleStateCreateInfo;
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vk::StencilOpState stencilOpState(vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::CompareOp::eAlways);
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vk::PipelineDepthStencilStateCreateInfo pipelineDepthStencilStateCreateInfo(vk::PipelineDepthStencilStateCreateFlags(), true, true, vk::CompareOp::eLessOrEqual, false, false, stencilOpState, stencilOpState);
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vk::ColorComponentFlags colorComponentFlags(vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eA);
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vk::PipelineColorBlendAttachmentState pipelineColorBlendAttachmentState(false, vk::BlendFactor::eZero, vk::BlendFactor::eZero, vk::BlendOp::eAdd, vk::BlendFactor::eZero, vk::BlendFactor::eZero, vk::BlendOp::eAdd, colorComponentFlags);
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vk::PipelineColorBlendStateCreateInfo pipelineColorBlendStateCreateInfo(vk::PipelineColorBlendStateCreateFlags(), false, vk::LogicOp::eNoOp, 1, &pipelineColorBlendAttachmentState, { { (1.0f, 1.0f, 1.0f, 1.0f) } });
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vk::DynamicState dynamicStates[2] = { vk::DynamicState::eViewport, vk::DynamicState::eScissor };
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vk::PipelineDynamicStateCreateInfo pipelineDynamicStateCreateInfo(vk::PipelineDynamicStateCreateFlags(), 2, dynamicStates);
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vk::GraphicsPipelineCreateInfo graphicsPipelineCreateInfo(vk::PipelineCreateFlagBits::eAllowDerivatives, 2, pipelineShaderStageCreateInfos, &pipelineVertexInputStateCreateInfo,
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&pipelineInputAssemblyStateCreateInfo, nullptr, &pipelineViewportStateCreateInfo, &pipelineRasterizationStateCreateInfo, &pipelineMultisampleStateCreateInfo,
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&pipelineDepthStencilStateCreateInfo, &pipelineColorBlendStateCreateInfo, &pipelineDynamicStateCreateInfo, pipelineLayout.get(), renderPass.get());
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vk::UniquePipeline basePipeline = device->createGraphicsPipelineUnique(pipelineCache.get(), graphicsPipelineCreateInfo);
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// Now create the derivative pipeline, using a different fragment shader
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// This shader will shade the cube faces with interpolated colors
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const std::string fragmentShaderText_T_C_2 = R"(
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#version 450
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layout (location = 0) in vec2 inTexCoord;
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layout (location = 0) out vec4 outColor;
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void main()
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{
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outColor = vec4(inTexCoord.x, inTexCoord.y, 1.0f - inTexCoord.x - inTexCoord.y, 1.0f);
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}
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)";
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// Convert GLSL to SPIR-V
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glslang::InitializeProcess();
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vk::UniqueShaderModule fragmentShaderModule2 = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C_2);
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glslang::FinalizeProcess();
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// Modify pipeline info to reflect derivation
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pipelineShaderStageCreateInfos[1] = vk::PipelineShaderStageCreateInfo(vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule2.get(), "main");
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graphicsPipelineCreateInfo.flags = vk::PipelineCreateFlagBits::eDerivative;
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graphicsPipelineCreateInfo.basePipelineHandle = basePipeline.get();
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graphicsPipelineCreateInfo.basePipelineIndex = -1;
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// And create the derived pipeline
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vk::UniquePipeline derivedPipeline = device->createGraphicsPipelineUnique(pipelineCache.get(), graphicsPipelineCreateInfo);
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/* VULKAN_KEY_END */
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vk::UniqueSemaphore imageAcquiredSemaphore = device->createSemaphoreUnique(vk::SemaphoreCreateInfo(vk::SemaphoreCreateFlags()));
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// Get the index of the next available swapchain image
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vk::ResultValue<uint32_t> currentBuffer = device->acquireNextImageKHR(swapChainData.swapChain.get(), UINT64_MAX, imageAcquiredSemaphore.get(), nullptr);
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assert(currentBuffer.result == vk::Result::eSuccess);
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assert(currentBuffer.value < framebuffers.size());
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vk::ClearValue clearValues[2];
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clearValues[0].color = vk::ClearColorValue(std::array<float, 4>({ 0.2f, 0.2f, 0.2f, 0.2f }));
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clearValues[1].depthStencil = vk::ClearDepthStencilValue(1.0f, 0);
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commandBuffers[0]->beginRenderPass(vk::RenderPassBeginInfo(renderPass.get(), framebuffers[currentBuffer.value].get(), vk::Rect2D(vk::Offset2D(), surfaceData.extent), 2, clearValues), vk::SubpassContents::eInline);
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commandBuffers[0]->bindPipeline(vk::PipelineBindPoint::eGraphics, derivedPipeline.get());
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commandBuffers[0]->bindDescriptorSets(vk::PipelineBindPoint::eGraphics, pipelineLayout.get(), 0, descriptorSets[0].get(), {});
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VkDeviceSize offset = 0;
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commandBuffers[0]->bindVertexBuffers(0, vertexBufferData.buffer.get(), offset);
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vk::Viewport viewport(0.0f, 0.0f, static_cast<float>(surfaceData.extent.width), static_cast<float>(surfaceData.extent.height), 0.0f, 1.0f);
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commandBuffers[0]->setViewport(0, viewport);
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vk::Rect2D scissor(vk::Offset2D(0, 0), surfaceData.extent);
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commandBuffers[0]->setScissor(0, scissor);
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commandBuffers[0]->draw(12 * 3, 1, 0, 0);
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commandBuffers[0]->endRenderPass();
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commandBuffers[0]->end();
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vk::UniqueFence drawFence = device->createFenceUnique(vk::FenceCreateInfo());
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vk::PipelineStageFlags waitDestinationStageMask(vk::PipelineStageFlagBits::eColorAttachmentOutput);
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vk::SubmitInfo submitInfo(1, &imageAcquiredSemaphore.get(), &waitDestinationStageMask, 1, &commandBuffers[0].get());
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graphicsQueue.submit(submitInfo, drawFence.get());
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while (vk::Result::eTimeout == device->waitForFences(drawFence.get(), VK_TRUE, vk::su::FenceTimeout))
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;
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presentQueue.presentKHR(vk::PresentInfoKHR(0, nullptr, 1, &swapChainData.swapChain.get(), ¤tBuffer.value));
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Sleep(1000);
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#if defined(VK_USE_PLATFORM_WIN32_KHR)
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DestroyWindow(surfaceData.window);
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#else
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#pragma error "unhandled platform"
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#endif
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}
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catch (vk::SystemError err)
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{
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std::cout << "vk::SystemError: " << err.what() << std::endl;
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exit(-1);
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}
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catch (std::runtime_error err)
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{
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std::cout << "std::runtime_error: " << err.what() << std::endl;
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exit(-1);
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}
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catch (...)
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{
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std::cout << "unknown error\n";
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exit(-1);
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}
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return 0;
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}
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