mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
396 lines
18 KiB
C++
396 lines
18 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 : PipelineCache
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// This sample tries to save and reuse pipeline cache data between runs.
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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 "SPIRV/GlslangToSpv.h"
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#include "vulkan/vulkan.hpp"
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#include <fstream>
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#include <iomanip>
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#include <thread>
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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 = "PipelineCache";
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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::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger( instance );
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#endif
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vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
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vk::PhysicalDeviceProperties properties = physicalDevice.getProperties();
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vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 500, 500 ) );
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std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
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vk::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, *surfaceData.surface );
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vk::UniqueDevice device =
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vk::su::createDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
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vk::UniqueCommandPool commandPool = vk::su::createCommandPool( device, graphicsAndPresentQueueFamilyIndex.first );
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vk::UniqueCommandBuffer commandBuffer = std::move( device
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->allocateCommandBuffersUnique( vk::CommandBufferAllocateInfo(
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commandPool.get(), vk::CommandBufferLevel::ePrimary, 1 ) )
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.front() );
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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( physicalDevice,
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device,
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*surfaceData.surface,
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surfaceData.extent,
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vk::ImageUsageFlagBits::eColorAttachment |
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vk::ImageUsageFlagBits::eTransferSrc,
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vk::UniqueSwapchainKHR(),
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graphicsAndPresentQueueFamilyIndex.first,
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graphicsAndPresentQueueFamilyIndex.second );
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vk::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
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vk::su::TextureData textureData( physicalDevice, device );
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commandBuffer->begin( vk::CommandBufferBeginInfo() );
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textureData.setImage( device, commandBuffer, vk::su::MonochromeImageGenerator( { 118, 185, 0 } ) );
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vk::su::BufferData uniformBufferData(
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physicalDevice, device, sizeof( glm::mat4x4 ), vk::BufferUsageFlagBits::eUniformBuffer );
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vk::su::copyToDevice(
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device, uniformBufferData.deviceMemory, vk::su::createModelViewProjectionClipMatrix( surfaceData.extent ) );
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vk::UniqueDescriptorSetLayout descriptorSetLayout = vk::su::createDescriptorSetLayout(
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device,
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{ { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex },
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{ vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment } } );
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vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(
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vk::PipelineLayoutCreateInfo( vk::PipelineLayoutCreateFlags(), 1, &descriptorSetLayout.get() ) );
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vk::UniqueRenderPass renderPass = vk::su::createRenderPass(
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device,
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vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( surfaceData.surface.get() ) ).format,
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depthBufferData.format );
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glslang::InitializeProcess();
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vk::UniqueShaderModule vertexShaderModule =
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vk::su::createShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
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vk::UniqueShaderModule fragmentShaderModule =
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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(
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device, renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent );
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vk::su::BufferData vertexBufferData(
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physicalDevice, device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
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vk::su::copyToDevice( device,
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vertexBufferData.deviceMemory,
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texturedCubeData,
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sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
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vk::UniqueDescriptorPool descriptorPool = vk::su::createDescriptorPool(
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device, { { vk::DescriptorType::eUniformBuffer, 1 }, { vk::DescriptorType::eCombinedImageSampler, 1 } } );
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vk::UniqueDescriptorSet descriptorSet = std::move(
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device->allocateDescriptorSetsUnique( vk::DescriptorSetAllocateInfo( *descriptorPool, 1, &*descriptorSetLayout ) )
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.front() );
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vk::su::updateDescriptorSets(
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device,
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descriptorSet,
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{ { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, vk::UniqueBufferView() } },
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textureData );
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/* VULKAN_KEY_START */
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// Check disk for existing cache data
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size_t startCacheSize = 0;
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char * startCacheData = nullptr;
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std::string cacheFileName = "pipeline_cache_data.bin";
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std::ifstream readCacheStream( cacheFileName, std::ios_base::in | std::ios_base::binary );
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if ( readCacheStream.good() )
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{
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// Determine cache size
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readCacheStream.seekg( 0, readCacheStream.end );
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startCacheSize = vk::su::checked_cast<size_t>( readCacheStream.tellg() );
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readCacheStream.seekg( 0, readCacheStream.beg );
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// Allocate memory to hold the initial cache data
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startCacheData = (char *)std::malloc( startCacheSize );
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// Read the data into our buffer
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readCacheStream.read( startCacheData, startCacheSize );
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// Clean up and print results
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readCacheStream.close();
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std::cout << " Pipeline cache HIT!\n";
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std::cout << " cacheData loaded from " << cacheFileName << "\n";
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}
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else
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{
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// No cache found on disk
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std::cout << " Pipeline cache miss!\n";
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}
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if ( startCacheData != nullptr )
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{
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// Check for cache validity
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//
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// TODO: Update this as the spec evolves. The fields are not defined by the header.
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//
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// The code below supports SDK 0.10 Vulkan spec, which contains the following table:
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//
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// Offset Size Meaning
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// ------ ------------ ------------------------------------------------------------------
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// 0 4 a device ID equal to VkPhysicalDeviceProperties::DeviceId written
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// as a stream of bytes, with the least significant byte first
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//
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// 4 VK_UUID_SIZE a pipeline cache ID equal to VkPhysicalDeviceProperties::pipelineCacheUUID
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//
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//
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// The code must be updated for latest Vulkan spec, which contains the following table:
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//
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// Offset Size Meaning
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// ------ ------------ ------------------------------------------------------------------
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// 0 4 length in bytes of the entire pipeline cache header written as a
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// stream of bytes, with the least significant byte first
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// 4 4 a VkPipelineCacheHeaderVersion value written as a stream of bytes,
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// with the least significant byte first
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// 8 4 a vendor ID equal to VkPhysicalDeviceProperties::vendorID written
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// as a stream of bytes, with the least significant byte first
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// 12 4 a device ID equal to VkPhysicalDeviceProperties::deviceID written
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// as a stream of bytes, with the least significant byte first
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// 16 VK_UUID_SIZE a pipeline cache ID equal to VkPhysicalDeviceProperties::pipelineCacheUUID
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uint32_t headerLength = 0;
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uint32_t cacheHeaderVersion = 0;
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uint32_t vendorID = 0;
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uint32_t deviceID = 0;
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uint8_t pipelineCacheUUID[VK_UUID_SIZE] = {};
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memcpy( &headerLength, (uint8_t *)startCacheData + 0, 4 );
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memcpy( &cacheHeaderVersion, (uint8_t *)startCacheData + 4, 4 );
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memcpy( &vendorID, (uint8_t *)startCacheData + 8, 4 );
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memcpy( &deviceID, (uint8_t *)startCacheData + 12, 4 );
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memcpy( pipelineCacheUUID, (uint8_t *)startCacheData + 16, VK_UUID_SIZE );
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// Check each field and report bad values before freeing existing cache
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bool badCache = false;
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if ( headerLength <= 0 )
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{
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badCache = true;
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std::cout << " Bad header length in " << cacheFileName << ".\n";
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std::cout << " Cache contains: " << std::hex << std::setw( 8 ) << headerLength << "\n";
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}
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if ( cacheHeaderVersion != VK_PIPELINE_CACHE_HEADER_VERSION_ONE )
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{
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badCache = true;
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std::cout << " Unsupported cache header version in " << cacheFileName << ".\n";
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std::cout << " Cache contains: " << std::hex << std::setw( 8 ) << cacheHeaderVersion << "\n";
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}
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if ( vendorID != properties.vendorID )
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{
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badCache = true;
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std::cout << " Vender ID mismatch in " << cacheFileName << ".\n";
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std::cout << " Cache contains: " << std::hex << std::setw( 8 ) << vendorID << "\n";
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std::cout << " Driver expects: " << std::hex << std::setw( 8 ) << properties.vendorID << "\n";
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}
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if ( deviceID != properties.deviceID )
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{
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badCache = true;
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std::cout << " Device ID mismatch in " << cacheFileName << ".\n";
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std::cout << " Cache contains: " << std::hex << std::setw( 8 ) << deviceID << "\n";
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std::cout << " Driver expects: " << std::hex << std::setw( 8 ) << properties.deviceID << "\n";
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}
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if ( memcmp( pipelineCacheUUID, properties.pipelineCacheUUID, sizeof( pipelineCacheUUID ) ) != 0 )
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{
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badCache = true;
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std::cout << " UUID mismatch in " << cacheFileName << ".\n";
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std::cout << " Cache contains: " << vk::su::UUID( pipelineCacheUUID ) << "\n";
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std::cout << " Driver expects: " << vk::su::UUID( properties.pipelineCacheUUID ) << "\n";
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}
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if ( badCache )
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{
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// Don't submit initial cache data if any version info is incorrect
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free( startCacheData );
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startCacheSize = 0;
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startCacheData = nullptr;
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// And clear out the old cache file for use in next run
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std::cout << " Deleting cache entry " << cacheFileName << " to repopulate.\n";
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if ( remove( cacheFileName.c_str() ) != 0 )
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{
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std::cerr << "Reading error";
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exit( EXIT_FAILURE );
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}
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}
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}
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// Feed the initial cache data into cache creation
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vk::UniquePipelineCache pipelineCache = device->createPipelineCacheUnique(
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vk::PipelineCacheCreateInfo( vk::PipelineCacheCreateFlags(), startCacheSize, startCacheData ) );
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// Free our initialData now that pipeline cache has been created
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free( startCacheData );
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startCacheData = NULL;
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// Time (roughly) taken to create the graphics pipeline
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timestamp_t start = getMilliseconds();
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vk::UniquePipeline graphicsPipeline =
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vk::su::createGraphicsPipeline( device,
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pipelineCache,
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std::make_pair( *vertexShaderModule, nullptr ),
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std::make_pair( *fragmentShaderModule, nullptr ),
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sizeof( texturedCubeData[0] ),
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{ { vk::Format::eR32G32B32A32Sfloat, 0 }, { vk::Format::eR32G32Sfloat, 16 } },
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vk::FrontFace::eClockwise,
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true,
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pipelineLayout,
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renderPass );
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timestamp_t elapsed = getMilliseconds() - start;
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std::cout << " vkCreateGraphicsPipeline time: " << (double)elapsed << " ms\n";
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vk::UniqueSemaphore imageAcquiredSemaphore =
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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 =
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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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commandBuffer->beginRenderPass( vk::RenderPassBeginInfo( renderPass.get(),
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framebuffers[currentBuffer.value].get(),
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vk::Rect2D( vk::Offset2D(), surfaceData.extent ),
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2,
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clearValues ),
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vk::SubpassContents::eInline );
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commandBuffer->bindPipeline( vk::PipelineBindPoint::eGraphics, graphicsPipeline.get() );
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commandBuffer->bindDescriptorSets(
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vk::PipelineBindPoint::eGraphics, pipelineLayout.get(), 0, descriptorSet.get(), {} );
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commandBuffer->bindVertexBuffers( 0, *vertexBufferData.buffer, { 0 } );
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commandBuffer->setViewport( 0,
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vk::Viewport( 0.0f,
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0.0f,
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static_cast<float>( surfaceData.extent.width ),
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static_cast<float>( surfaceData.extent.height ),
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0.0f,
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1.0f ) );
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commandBuffer->setScissor( 0, vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ) );
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commandBuffer->draw( 12 * 3, 1, 0, 0 );
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commandBuffer->endRenderPass();
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commandBuffer->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, &commandBuffer.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(
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vk::PresentInfoKHR( 0, nullptr, 1, &swapChainData.swapChain.get(), ¤tBuffer.value ) );
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std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
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// Store away the cache that we've populated. This could conceivably happen
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// earlier, depends on when the pipeline cache stops being populated
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// internally.
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std::vector<uint8_t> endCacheData = device->getPipelineCacheData( pipelineCache.get() );
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// Write the file to disk, overwriting whatever was there
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std::ofstream writeCacheStream( cacheFileName, std::ios_base::out | std::ios_base::binary );
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if ( writeCacheStream.good() )
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{
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writeCacheStream.write( reinterpret_cast<char const *>( endCacheData.data() ), endCacheData.size() );
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writeCacheStream.close();
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std::cout << " cacheData written to " << cacheFileName << "\n";
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}
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else
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{
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// Something bad happened
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std::cout << " Unable to write cache data to disk!\n";
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}
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/* VULKAN_KEY_END */
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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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