mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
255 lines
12 KiB
C++
255 lines
12 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 : DynamicUniform
|
|
// Draw 2 Cubes using dynamic uniform buffer
|
|
|
|
#if defined( _MSC_VER )
|
|
# pragma warning( disable : 4127 ) // conditional expression is constant
|
|
#endif
|
|
|
|
#include "../../samples/utils/geometries.hpp"
|
|
#include "../../samples/utils/math.hpp"
|
|
#include "../utils/shaders.hpp"
|
|
#include "../utils/utils.hpp"
|
|
#include "SPIRV/GlslangToSpv.h"
|
|
#include "vulkan/vulkan_raii.hpp"
|
|
|
|
#include <iostream>
|
|
#include <thread>
|
|
|
|
static char const * AppName = "DynamicUniform";
|
|
static char const * EngineName = "Vulkan.hpp";
|
|
|
|
int main( int /*argc*/, char ** /*argv*/ )
|
|
{
|
|
try
|
|
{
|
|
std::unique_ptr<vk::raii::Context> context = vk::raii::su::make_unique<vk::raii::Context>();
|
|
std::unique_ptr<vk::raii::Instance> instance =
|
|
vk::raii::su::makeUniqueInstance( *context, AppName, EngineName, {}, vk::su::getInstanceExtensions() );
|
|
#if !defined( NDEBUG )
|
|
std::unique_ptr<vk::raii::DebugUtilsMessengerEXT> debugUtilsMessenger =
|
|
vk::raii::su::makeUniqueDebugUtilsMessengerEXT( *instance );
|
|
#endif
|
|
std::unique_ptr<vk::raii::PhysicalDevice> physicalDevice = vk::raii::su::makeUniquePhysicalDevice( *instance );
|
|
|
|
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 );
|
|
std::unique_ptr<vk::raii::Device> device = vk::raii::su::makeUniqueDevice(
|
|
*physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions() );
|
|
|
|
std::unique_ptr<vk::raii::CommandPool> commandPool =
|
|
vk::raii::su::makeUniqueCommandPool( *device, graphicsAndPresentQueueFamilyIndex.first );
|
|
std::unique_ptr<vk::raii::CommandBuffer> commandBuffer =
|
|
vk::raii::su::makeUniqueCommandBuffer( *device, *commandPool );
|
|
|
|
std::unique_ptr<vk::raii::Queue> graphicsQueue =
|
|
vk::raii::su::make_unique<vk::raii::Queue>( *device, graphicsAndPresentQueueFamilyIndex.first, 0 );
|
|
std::unique_ptr<vk::raii::Queue> presentQueue =
|
|
vk::raii::su::make_unique<vk::raii::Queue>( *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::Format colorFormat =
|
|
vk::su::pickSurfaceFormat( physicalDevice->getSurfaceFormatsKHR( **surfaceData.surface ) ).format;
|
|
std::unique_ptr<vk::raii::RenderPass> renderPass =
|
|
vk::raii::su::makeUniqueRenderPass( *device, colorFormat, depthBufferData.format );
|
|
|
|
glslang::InitializeProcess();
|
|
std::unique_ptr<vk::raii::ShaderModule> vertexShaderModule =
|
|
vk::raii::su::makeUniqueShaderModule( *device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PC_C );
|
|
std::unique_ptr<vk::raii::ShaderModule> fragmentShaderModule =
|
|
vk::raii::su::makeUniqueShaderModule( *device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_C_C );
|
|
glslang::FinalizeProcess();
|
|
|
|
std::vector<std::unique_ptr<vk::raii::Framebuffer>> framebuffers = vk::raii::su::makeUniqueFramebuffers(
|
|
*device, *renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent );
|
|
|
|
vk::raii::su::BufferData vertexBufferData(
|
|
*physicalDevice, *device, sizeof( coloredCubeData ), vk::BufferUsageFlagBits::eVertexBuffer );
|
|
vk::raii::su::copyToDevice(
|
|
*vertexBufferData.deviceMemory, coloredCubeData, sizeof( coloredCubeData ) / sizeof( coloredCubeData[0] ) );
|
|
|
|
/* VULKAN_KEY_START */
|
|
|
|
vk::PhysicalDeviceLimits limits = physicalDevice->getProperties().limits;
|
|
if ( limits.maxDescriptorSetUniformBuffersDynamic < 1 )
|
|
{
|
|
std::cout << "No dynamic uniform buffers supported\n";
|
|
exit( -1 );
|
|
}
|
|
|
|
/* Set up uniform buffer with 2 transform matrices in it */
|
|
glm::mat4x4 mvpcs[2];
|
|
glm::mat4x4 model = glm::mat4x4( 1.0f );
|
|
glm::mat4x4 view =
|
|
glm::lookAt( glm::vec3( 0.0f, 3.0f, -10.0f ), glm::vec3( 0.0f, 0.0f, 0.0f ), glm::vec3( 0.0f, -1.0f, 0.0f ) );
|
|
glm::mat4x4 projection = glm::perspective( glm::radians( 45.0f ), 1.0f, 0.1f, 100.0f );
|
|
// clang-format off
|
|
glm::mat4x4 clip = glm::mat4x4( 1.0f, 0.0f, 0.0f, 0.0f,
|
|
0.0f, -1.0f, 0.0f, 0.0f,
|
|
0.0f, 0.0f, 0.5f, 0.0f,
|
|
0.0f, 0.0f, 0.5f, 1.0f ); // vulkan clip space has inverted y and half z !
|
|
// clang-format on
|
|
mvpcs[0] = clip * projection * view * model;
|
|
|
|
model = glm::translate( model, glm::vec3( -1.5f, 1.5f, -1.5f ) );
|
|
mvpcs[1] = clip * projection * view * model;
|
|
|
|
vk::DeviceSize bufferSize = sizeof( glm::mat4x4 );
|
|
if ( limits.minUniformBufferOffsetAlignment )
|
|
{
|
|
bufferSize =
|
|
( bufferSize + limits.minUniformBufferOffsetAlignment - 1 ) & ~( limits.minUniformBufferOffsetAlignment - 1 );
|
|
}
|
|
|
|
vk::raii::su::BufferData uniformBufferData(
|
|
*physicalDevice, *device, 2 * bufferSize, vk::BufferUsageFlagBits::eUniformBuffer );
|
|
vk::raii::su::copyToDevice( *uniformBufferData.deviceMemory, mvpcs, 2, bufferSize );
|
|
|
|
// create a DescriptorSetLayout with vk::DescriptorType::eUniformBufferDynamic
|
|
std::unique_ptr<vk::raii::DescriptorSetLayout> descriptorSetLayout = vk::raii::su::makeUniqueDescriptorSetLayout(
|
|
*device, { { vk::DescriptorType::eUniformBufferDynamic, 1, vk::ShaderStageFlagBits::eVertex } } );
|
|
std::unique_ptr<vk::raii::PipelineLayout> pipelineLayout =
|
|
vk::raii::su::makeUniquePipelineLayout( *device, *descriptorSetLayout );
|
|
|
|
// create a DescriptorPool with vk::DescriptorType::eUniformBufferDynamic
|
|
std::unique_ptr<vk::raii::DescriptorPool> descriptorPool =
|
|
vk::raii::su::makeUniqueDescriptorPool( *device, { { vk::DescriptorType::eUniformBufferDynamic, 1 } } );
|
|
std::unique_ptr<vk::raii::DescriptorSet> descriptorSet =
|
|
vk::raii::su::makeUniqueDescriptorSet( *device, *descriptorPool, *descriptorSetLayout );
|
|
|
|
vk::raii::su::updateDescriptorSets(
|
|
*device,
|
|
*descriptorSet,
|
|
{ { vk::DescriptorType::eUniformBufferDynamic, *uniformBufferData.buffer, nullptr } },
|
|
{} );
|
|
|
|
std::unique_ptr<vk::raii::PipelineCache> pipelineCache =
|
|
vk::raii::su::make_unique<vk::raii::PipelineCache>( *device, vk::PipelineCacheCreateInfo() );
|
|
std::unique_ptr<vk::raii::Pipeline> graphicsPipeline = vk::raii::su::makeUniqueGraphicsPipeline(
|
|
*device,
|
|
*pipelineCache,
|
|
*vertexShaderModule,
|
|
nullptr,
|
|
*fragmentShaderModule,
|
|
nullptr,
|
|
sizeof( coloredCubeData[0] ),
|
|
{ { vk::Format::eR32G32B32A32Sfloat, 0 }, { vk::Format::eR32G32Sfloat, 16 } },
|
|
vk::FrontFace::eClockwise,
|
|
true,
|
|
*pipelineLayout,
|
|
*renderPass );
|
|
|
|
// Get the index of the next available swapchain image:
|
|
std::unique_ptr<vk::raii::Semaphore> imageAcquiredSemaphore =
|
|
vk::raii::su::make_unique<vk::raii::Semaphore>( *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() );
|
|
|
|
commandBuffer->begin( {} );
|
|
|
|
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 );
|
|
commandBuffer->beginRenderPass( renderPassBeginInfo, vk::SubpassContents::eInline );
|
|
commandBuffer->bindPipeline( vk::PipelineBindPoint::eGraphics, **graphicsPipeline );
|
|
|
|
commandBuffer->setViewport( 0,
|
|
vk::Viewport( 0.0f,
|
|
0.0f,
|
|
static_cast<float>( surfaceData.extent.width ),
|
|
static_cast<float>( surfaceData.extent.height ),
|
|
0.0f,
|
|
1.0f ) );
|
|
commandBuffer->setScissor( 0, vk::Rect2D( vk::Offset2D( 0, 0 ), surfaceData.extent ) );
|
|
|
|
/* The first draw should use the first matrix in the buffer */
|
|
uint32_t dynamicOffset = 0;
|
|
commandBuffer->bindDescriptorSets(
|
|
vk::PipelineBindPoint::eGraphics, **pipelineLayout, 0, { **descriptorSet }, dynamicOffset );
|
|
|
|
commandBuffer->bindVertexBuffers( 0, { **vertexBufferData.buffer }, { 0 } );
|
|
commandBuffer->draw( 12 * 3, 1, 0, 0 );
|
|
|
|
// the second draw should use the second matrix in the buffer;
|
|
dynamicOffset = (uint32_t)bufferSize;
|
|
commandBuffer->bindDescriptorSets(
|
|
vk::PipelineBindPoint::eGraphics, **pipelineLayout, 0, { **descriptorSet }, dynamicOffset );
|
|
commandBuffer->draw( 12 * 3, 1, 0, 0 );
|
|
|
|
commandBuffer->endRenderPass();
|
|
commandBuffer->end();
|
|
|
|
std::unique_ptr<vk::raii::Fence> drawFence = vk::raii::su::make_unique<vk::raii::Fence>( *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 ) )
|
|
;
|
|
|
|
vk::PresentInfoKHR presentInfoKHR( nullptr, **swapChainData.swapChain, imageIndex );
|
|
result = presentQueue->presentKHR( presentInfoKHR );
|
|
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 */
|
|
}
|
|
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;
|
|
}
|