mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
246 lines
13 KiB
C++
246 lines
13 KiB
C++
// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
// VulkanHpp Samples : SecondaryCommandBuffer
|
|
// Draw several cubes using primary and secondary command buffers
|
|
|
|
#if defined( _MSC_VER )
|
|
// no need to ignore any warnings with MSVC
|
|
#elif defined( __clang__ )
|
|
# pragma clang diagnostic ignored "-Wmissing-braces"
|
|
#elif defined( __GNUC__ )
|
|
// no need to ignore any warnings with GCC
|
|
#else
|
|
// unknow compiler... just ignore the warnings for yourselves ;)
|
|
#endif
|
|
|
|
#include "../../samples/utils/geometries.hpp"
|
|
#include "../../samples/utils/math.hpp"
|
|
#include "../utils/shaders.hpp"
|
|
#include "../utils/utils.hpp"
|
|
#include "SPIRV/GlslangToSpv.h"
|
|
|
|
#include <iostream>
|
|
#include <thread>
|
|
|
|
static char const * AppName = "SecondaryCommandBuffer";
|
|
static char const * EngineName = "Vulkan.hpp";
|
|
|
|
int main( int /*argc*/, char ** /*argv*/ )
|
|
{
|
|
try
|
|
{
|
|
vk::raii::Context context;
|
|
vk::raii::Instance instance = vk::raii::su::makeInstance( context, AppName, EngineName, {}, vk::su::getInstanceExtensions() );
|
|
#if !defined( NDEBUG )
|
|
vk::raii::DebugUtilsMessengerEXT debugUtilsMessenger( instance, vk::su::makeDebugUtilsMessengerCreateInfoEXT() );
|
|
#endif
|
|
vk::raii::PhysicalDevice physicalDevice = vk::raii::PhysicalDevices( instance ).front();
|
|
|
|
vk::raii::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 500, 500 ) );
|
|
|
|
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
|
|
vk::raii::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, surfaceData.surface );
|
|
vk::raii::Device device = vk::raii::su::makeDevice( physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
|
|
|
|
vk::raii::CommandPool commandPool =
|
|
vk::raii::CommandPool( device, { vk::CommandPoolCreateFlagBits::eResetCommandBuffer, graphicsAndPresentQueueFamilyIndex.first } );
|
|
vk::raii::CommandBuffer commandBuffer = vk::raii::su::makeCommandBuffer( device, commandPool );
|
|
|
|
vk::raii::Queue graphicsQueue( device, graphicsAndPresentQueueFamilyIndex.first, 0 );
|
|
vk::raii::Queue presentQueue( device, graphicsAndPresentQueueFamilyIndex.second, 0 );
|
|
|
|
vk::raii::su::SwapChainData swapChainData( physicalDevice,
|
|
device,
|
|
surfaceData.surface,
|
|
surfaceData.extent,
|
|
vk::ImageUsageFlagBits::eColorAttachment | vk::ImageUsageFlagBits::eTransferSrc,
|
|
{},
|
|
graphicsAndPresentQueueFamilyIndex.first,
|
|
graphicsAndPresentQueueFamilyIndex.second );
|
|
|
|
vk::raii::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
|
|
|
|
vk::raii::su::BufferData uniformBufferData( physicalDevice, device, sizeof( glm::mat4x4 ), vk::BufferUsageFlagBits::eUniformBuffer );
|
|
glm::mat4x4 mvpcMatrix = vk::su::createModelViewProjectionClipMatrix( surfaceData.extent );
|
|
vk::raii::su::copyToDevice( uniformBufferData.deviceMemory, mvpcMatrix );
|
|
|
|
vk::raii::DescriptorSetLayout descriptorSetLayout =
|
|
vk::raii::su::makeDescriptorSetLayout( device,
|
|
{ { vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex },
|
|
{ vk::DescriptorType::eCombinedImageSampler, 1, vk::ShaderStageFlagBits::eFragment } } );
|
|
vk::raii::PipelineLayout pipelineLayout( device, { {}, *descriptorSetLayout } );
|
|
|
|
vk::Format colorFormat = vk::su::pickSurfaceFormat( physicalDevice.getSurfaceFormatsKHR( *surfaceData.surface ) ).format;
|
|
vk::raii::RenderPass renderPass =
|
|
vk::raii::su::makeRenderPass( device, colorFormat, depthBufferData.format, vk::AttachmentLoadOp::eClear, vk::ImageLayout::eColorAttachmentOptimal );
|
|
|
|
glslang::InitializeProcess();
|
|
vk::raii::ShaderModule vertexShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T );
|
|
vk::raii::ShaderModule fragmentShaderModule = vk::raii::su::makeShaderModule( device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C );
|
|
glslang::FinalizeProcess();
|
|
|
|
std::vector<vk::raii::Framebuffer> framebuffers =
|
|
vk::raii::su::makeFramebuffers( device, renderPass, swapChainData.imageViews, &depthBufferData.imageView, surfaceData.extent );
|
|
|
|
vk::raii::su::BufferData vertexBufferData( physicalDevice, device, sizeof( texturedCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
|
|
vk::raii::su::copyToDevice( vertexBufferData.deviceMemory, texturedCubeData, sizeof( texturedCubeData ) / sizeof( texturedCubeData[0] ) );
|
|
|
|
vk::raii::PipelineCache pipelineCache( device, vk::PipelineCacheCreateInfo() );
|
|
vk::raii::Pipeline graphicsPipeline = vk::raii::su::makeGraphicsPipeline( device,
|
|
pipelineCache,
|
|
vertexShaderModule,
|
|
nullptr,
|
|
fragmentShaderModule,
|
|
nullptr,
|
|
sizeof( texturedCubeData[0] ),
|
|
{ { vk::Format::eR32G32B32A32Sfloat, 0 }, { vk::Format::eR32G32Sfloat, 16 } },
|
|
vk::FrontFace::eClockwise,
|
|
true,
|
|
pipelineLayout,
|
|
renderPass );
|
|
|
|
commandBuffer.begin( vk::CommandBufferBeginInfo() );
|
|
|
|
vk::raii::su::TextureData greenTextureData( physicalDevice, device );
|
|
greenTextureData.setImage( commandBuffer, vk::su::MonochromeImageGenerator( { 118, 185, 0 } ) );
|
|
|
|
vk::raii::su::TextureData checkeredTextureData( physicalDevice, device );
|
|
checkeredTextureData.setImage( commandBuffer, vk::su::CheckerboardImageGenerator() );
|
|
|
|
// create two identical descriptor sets, each with a different texture but identical UBOs
|
|
vk::raii::DescriptorPool descriptorPool =
|
|
vk::raii::su::makeDescriptorPool( device, { { vk::DescriptorType::eUniformBuffer, 2 }, { vk::DescriptorType::eCombinedImageSampler, 2 } } );
|
|
|
|
std::array<vk::DescriptorSetLayout, 2> layouts = { *descriptorSetLayout, *descriptorSetLayout };
|
|
vk::DescriptorSetAllocateInfo descriptorSetAllocateInfo( *descriptorPool, layouts );
|
|
vk::raii::DescriptorSets descriptorSets( device, descriptorSetAllocateInfo );
|
|
assert( descriptorSets.size() == 2 );
|
|
|
|
vk::raii::su::updateDescriptorSets(
|
|
device, descriptorSets[0], { { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, VK_WHOLE_SIZE, {} } }, greenTextureData );
|
|
vk::raii::su::updateDescriptorSets(
|
|
device, descriptorSets[1], { { vk::DescriptorType::eUniformBuffer, uniformBufferData.buffer, VK_WHOLE_SIZE, {} } }, checkeredTextureData );
|
|
|
|
/* VULKAN_KEY_START */
|
|
|
|
// create four secondary command buffers, for each quadrant of the screen
|
|
vk::CommandBufferAllocateInfo commandBufferAllocateInfo( *commandPool, vk::CommandBufferLevel::eSecondary, 4 );
|
|
vk::raii::CommandBuffers secondaryCommandBuffers( device, commandBufferAllocateInfo );
|
|
|
|
// Get the index of the next available swapchain image:
|
|
vk::raii::Semaphore imageAcquiredSemaphore( device, vk::SemaphoreCreateInfo() );
|
|
vk::Result result;
|
|
uint32_t imageIndex;
|
|
std::tie( result, imageIndex ) = swapChainData.swapChain.acquireNextImage( vk::su::FenceTimeout, *imageAcquiredSemaphore );
|
|
assert( result == vk::Result::eSuccess );
|
|
assert( imageIndex < swapChainData.images.size() );
|
|
|
|
vk::raii::su::setImageLayout( commandBuffer,
|
|
static_cast<vk::Image>( swapChainData.images[imageIndex] ),
|
|
swapChainData.colorFormat,
|
|
vk::ImageLayout::eUndefined,
|
|
vk::ImageLayout::eColorAttachmentOptimal );
|
|
|
|
const vk::DeviceSize offset = 0;
|
|
vk::Viewport viewport( 0.0f, 0.0f, 200.0f, 200.0f, 0.0f, 1.0f );
|
|
vk::Rect2D scissor( vk::Offset2D( 0, 0 ), vk::Extent2D( surfaceData.extent ) );
|
|
|
|
// now we record four separate command buffers, one for each quadrant of the screen
|
|
vk::CommandBufferInheritanceInfo commandBufferInheritanceInfo( *renderPass, 0, *framebuffers[imageIndex] );
|
|
vk::CommandBufferBeginInfo secondaryBeginInfo( vk::CommandBufferUsageFlagBits::eOneTimeSubmit | vk::CommandBufferUsageFlagBits::eRenderPassContinue,
|
|
&commandBufferInheritanceInfo );
|
|
|
|
std::array<vk::CommandBuffer, 4> executeCommandBuffers;
|
|
for ( int i = 0; i < 4; i++ )
|
|
{
|
|
viewport.x = 25.0f + 250.0f * ( i % 2 );
|
|
viewport.y = 25.0f + 250.0f * ( i / 2 );
|
|
|
|
secondaryCommandBuffers[i].begin( secondaryBeginInfo );
|
|
secondaryCommandBuffers[i].bindPipeline( vk::PipelineBindPoint::eGraphics, *graphicsPipeline );
|
|
secondaryCommandBuffers[i].bindDescriptorSets( vk::PipelineBindPoint::eGraphics, *pipelineLayout, 0, { *descriptorSets[i == 0 || i == 3] }, nullptr );
|
|
secondaryCommandBuffers[i].bindVertexBuffers( 0, { *vertexBufferData.buffer }, offset );
|
|
secondaryCommandBuffers[i].setViewport( 0, viewport );
|
|
secondaryCommandBuffers[i].setScissor( 0, scissor );
|
|
secondaryCommandBuffers[i].draw( 12 * 3, 1, 0, 0 );
|
|
secondaryCommandBuffers[i].end();
|
|
executeCommandBuffers[i] = *secondaryCommandBuffers[i];
|
|
}
|
|
|
|
std::array<vk::ClearValue, 2> clearValues;
|
|
clearValues[0].color = vk::ClearColorValue( std::array<float, 4>( { { 0.2f, 0.2f, 0.2f, 0.2f } } ) );
|
|
clearValues[1].depthStencil = vk::ClearDepthStencilValue( 1.0f, 0 );
|
|
|
|
vk::RenderPassBeginInfo renderPassBeginInfo( *renderPass, *framebuffers[imageIndex], vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ), clearValues );
|
|
|
|
// specifying VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS means this render pass may ONLY call
|
|
// vkCmdExecuteCommands
|
|
commandBuffer.beginRenderPass( renderPassBeginInfo, vk::SubpassContents::eSecondaryCommandBuffers );
|
|
commandBuffer.executeCommands( executeCommandBuffers );
|
|
commandBuffer.endRenderPass();
|
|
|
|
vk::ImageSubresourceRange imageSubresourceRange( vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1 );
|
|
vk::ImageMemoryBarrier prePresentBarrier( vk::AccessFlagBits::eColorAttachmentWrite,
|
|
vk::AccessFlagBits::eMemoryRead,
|
|
vk::ImageLayout::eColorAttachmentOptimal,
|
|
vk::ImageLayout::ePresentSrcKHR,
|
|
VK_QUEUE_FAMILY_IGNORED,
|
|
VK_QUEUE_FAMILY_IGNORED,
|
|
static_cast<vk::Image>( swapChainData.images[imageIndex] ),
|
|
imageSubresourceRange );
|
|
commandBuffer.pipelineBarrier(
|
|
vk::PipelineStageFlagBits::eColorAttachmentOutput, vk::PipelineStageFlagBits::eBottomOfPipe, vk::DependencyFlags(), nullptr, nullptr, prePresentBarrier );
|
|
commandBuffer.end();
|
|
|
|
vk::raii::Fence drawFence( device, vk::FenceCreateInfo() );
|
|
|
|
vk::PipelineStageFlags waitDestinationStageMask( vk::PipelineStageFlagBits::eColorAttachmentOutput );
|
|
vk::SubmitInfo submitInfo( *imageAcquiredSemaphore, waitDestinationStageMask, *commandBuffer );
|
|
graphicsQueue.submit( submitInfo, *drawFence );
|
|
|
|
while ( vk::Result::eTimeout == device.waitForFences( { *drawFence }, VK_TRUE, vk::su::FenceTimeout ) )
|
|
;
|
|
|
|
result = presentQueue.presentKHR( vk::PresentInfoKHR( {}, *swapChainData.swapChain, imageIndex, {} ) );
|
|
switch ( result )
|
|
{
|
|
case vk::Result::eSuccess: break;
|
|
case vk::Result::eSuboptimalKHR: std::cout << "vk::Queue::presentKHR returned vk::Result::eSuboptimalKHR !\n"; break;
|
|
default: assert( false ); // an unexpected result is returned !
|
|
}
|
|
std::this_thread::sleep_for( std::chrono::milliseconds( 1000 ) );
|
|
|
|
/* VULKAN_KEY_END */
|
|
|
|
device.waitIdle();
|
|
}
|
|
catch ( vk::SystemError & err )
|
|
{
|
|
std::cout << "vk::SystemError: " << err.what() << std::endl;
|
|
exit( -1 );
|
|
}
|
|
catch ( std::exception & err )
|
|
{
|
|
std::cout << "std::exception: " << err.what() << std::endl;
|
|
exit( -1 );
|
|
}
|
|
catch ( ... )
|
|
{
|
|
std::cout << "unknown error\n";
|
|
exit( -1 );
|
|
}
|
|
return 0;
|
|
}
|