mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
193 lines
11 KiB
C++
193 lines
11 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
|
|
|
|
#include "../utils/geometries.hpp"
|
|
#include "../utils/math.hpp"
|
|
#include "../utils/shaders.hpp"
|
|
#include "../utils/utils.hpp"
|
|
#include "vulkan/vulkan.hpp"
|
|
#include "SPIRV/GlslangToSpv.h"
|
|
#include <iostream>
|
|
|
|
static char const* AppName = "SecondaryCommandBuffer";
|
|
static char const* EngineName = "Vulkan.hpp";
|
|
|
|
int main(int /*argc*/, char ** /*argv*/)
|
|
{
|
|
try
|
|
{
|
|
vk::UniqueInstance instance = vk::su::createInstance(AppName, EngineName, vk::su::getInstanceExtensions());
|
|
#if !defined(NDEBUG)
|
|
vk::UniqueDebugReportCallbackEXT debugReportCallback = vk::su::createDebugReportCallback(instance);
|
|
#endif
|
|
|
|
std::vector<vk::PhysicalDevice> physicalDevices = instance->enumeratePhysicalDevices();
|
|
assert(!physicalDevices.empty());
|
|
|
|
vk::su::SurfaceData surfaceData(instance, AppName, AppName, vk::Extent2D(500, 500));
|
|
|
|
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex = vk::su::findGraphicsAndPresentQueueFamilyIndex(physicalDevices[0], *surfaceData.surface);
|
|
vk::UniqueDevice device = vk::su::createDevice(physicalDevices[0], graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions());
|
|
|
|
vk::UniqueCommandPool commandPool = vk::su::createCommandPool(device, graphicsAndPresentQueueFamilyIndex.first);
|
|
std::vector<vk::UniqueCommandBuffer> commandBuffers = device->allocateCommandBuffersUnique(vk::CommandBufferAllocateInfo(commandPool.get(), vk::CommandBufferLevel::ePrimary, 1));
|
|
|
|
vk::Queue graphicsQueue = device->getQueue(graphicsAndPresentQueueFamilyIndex.first, 0);
|
|
vk::Queue presentQueue = device->getQueue(graphicsAndPresentQueueFamilyIndex.second, 0);
|
|
|
|
vk::su::SwapChainData swapChainData(physicalDevices[0], device, surfaceData.surface, surfaceData.extent, vk::ImageUsageFlagBits::eColorAttachment | vk::ImageUsageFlagBits::eTransferSrc
|
|
, graphicsAndPresentQueueFamilyIndex.first, graphicsAndPresentQueueFamilyIndex.second);
|
|
|
|
vk::su::DepthBufferData depthBufferData(physicalDevices[0], device, vk::Format::eD16Unorm, surfaceData.extent);
|
|
|
|
vk::su::BufferData uniformBufferData(physicalDevices[0], device, sizeof(glm::mat4x4), vk::BufferUsageFlagBits::eUniformBuffer);
|
|
vk::su::copyToDevice(device, uniformBufferData.deviceMemory, vk::su::createModelViewProjectionClipMatrix(surfaceData.extent));
|
|
|
|
vk::UniqueDescriptorSetLayout descriptorSetLayout = vk::su::createDescriptorSetLayout(device,
|
|
{ {vk::DescriptorType::eUniformBuffer, vk::ShaderStageFlagBits::eVertex}, {vk::DescriptorType::eCombinedImageSampler, vk::ShaderStageFlagBits::eFragment} });
|
|
vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(vk::PipelineLayoutCreateInfo(vk::PipelineLayoutCreateFlags(), 1, &descriptorSetLayout.get()));
|
|
|
|
vk::UniqueRenderPass renderPass = vk::su::createRenderPass(device, vk::su::pickSurfaceFormat(physicalDevices[0].getSurfaceFormatsKHR(surfaceData.surface.get())).format, depthBufferData.format,
|
|
vk::AttachmentLoadOp::eClear, vk::ImageLayout::eColorAttachmentOptimal);
|
|
|
|
glslang::InitializeProcess();
|
|
vk::UniqueShaderModule vertexShaderModule = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PT_T);
|
|
vk::UniqueShaderModule fragmentShaderModule = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_T_C);
|
|
glslang::FinalizeProcess();
|
|
|
|
std::vector<vk::UniqueFramebuffer> framebuffers = vk::su::createFramebuffers(device, renderPass, swapChainData.imageViews, depthBufferData.imageView, surfaceData.extent);
|
|
|
|
vk::su::BufferData vertexBufferData(physicalDevices[0], device, sizeof(texturedCubeData), vk::BufferUsageFlagBits::eVertexBuffer);
|
|
vk::su::copyToDevice(device, vertexBufferData.deviceMemory, texturedCubeData, sizeof(texturedCubeData) / sizeof(texturedCubeData[0]));
|
|
|
|
vk::UniquePipelineCache pipelineCache = device->createPipelineCacheUnique(vk::PipelineCacheCreateInfo());
|
|
|
|
vk::UniquePipeline graphicsPipeline = vk::su::createGraphicsPipeline(device, pipelineCache, vertexShaderModule, fragmentShaderModule, sizeof(texturedCubeData[0]), true, true, pipelineLayout, renderPass);
|
|
|
|
commandBuffers[0]->begin(vk::CommandBufferBeginInfo());
|
|
|
|
vk::su::TextureData greenTextureData(physicalDevices[0], device);
|
|
greenTextureData.setTexture(device, commandBuffers[0], vk::su::MonochromeTextureGenerator({ 118, 185, 0 }));
|
|
|
|
vk::su::TextureData checkeredTextureData(physicalDevices[0], device);
|
|
checkeredTextureData.setTexture(device, commandBuffers[0], vk::su::CheckerboardTextureCreator());
|
|
|
|
// create two identical descriptor sets, each with a different texture but identical UBOs
|
|
vk::UniqueDescriptorPool descriptorPool = vk::su::createDescriptorPool(device, { {vk::DescriptorType::eUniformBuffer, 2}, {vk::DescriptorType::eCombinedImageSampler, 2} });
|
|
|
|
vk::DescriptorSetLayout layouts[] = { descriptorSetLayout.get(), descriptorSetLayout.get() };
|
|
std::vector<vk::UniqueDescriptorSet> descriptorSets = device->allocateDescriptorSetsUnique(vk::DescriptorSetAllocateInfo(descriptorPool.get(), 2, layouts));
|
|
assert(descriptorSets.size() == 2);
|
|
|
|
vk::DescriptorBufferInfo bufferInfo(uniformBufferData.buffer.get(), 0, sizeof(glm::mat4x4));
|
|
vk::DescriptorImageInfo greenImageInfo(greenTextureData.textureSampler.get(), greenTextureData.imageData->imageView.get(), vk::ImageLayout::eShaderReadOnlyOptimal);
|
|
vk::su::updateDescriptorSets(device, descriptorSets[0], vk::DescriptorType::eUniformBuffer, &bufferInfo, &greenImageInfo);
|
|
|
|
vk::DescriptorImageInfo checkeredImageInfo(checkeredTextureData.textureSampler.get(), checkeredTextureData.imageData->imageView.get(), vk::ImageLayout::eShaderReadOnlyOptimal);
|
|
vk::su::updateDescriptorSets(device, descriptorSets[1], vk::DescriptorType::eUniformBuffer, &bufferInfo, &checkeredImageInfo);
|
|
|
|
/* VULKAN_KEY_START */
|
|
|
|
// create four secondary command buffers, for each quadrant of the screen
|
|
std::vector<vk::UniqueCommandBuffer> secondaryCommandBuffers = device->allocateCommandBuffersUnique(vk::CommandBufferAllocateInfo(commandPool.get(), vk::CommandBufferLevel::eSecondary, 4));
|
|
|
|
// Get the index of the next available swapchain image:
|
|
vk::UniqueSemaphore imageAcquiredSemaphore = device->createSemaphoreUnique(vk::SemaphoreCreateInfo());
|
|
vk::ResultValue<uint32_t> currentBuffer = device->acquireNextImageKHR(swapChainData.swapChain.get(), vk::su::FenceTimeout, imageAcquiredSemaphore.get(), nullptr);
|
|
assert(currentBuffer.result == vk::Result::eSuccess);
|
|
assert(currentBuffer.value < framebuffers.size());
|
|
|
|
vk::su::setImageLayout(commandBuffers[0], swapChainData.images[currentBuffer.value], 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.get(), 0, framebuffers[currentBuffer.value].get());
|
|
vk::CommandBufferBeginInfo secondaryBeginInfo(vk::CommandBufferUsageFlagBits::eOneTimeSubmit | vk::CommandBufferUsageFlagBits::eRenderPassContinue, &commandBufferInheritanceInfo);
|
|
|
|
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.get());
|
|
secondaryCommandBuffers[i]->bindDescriptorSets(vk::PipelineBindPoint::eGraphics, pipelineLayout.get(), 0, descriptorSets[i == 0 || i == 3].get(), nullptr);
|
|
secondaryCommandBuffers[i]->bindVertexBuffers(0, vertexBufferData.buffer.get(), offset);
|
|
secondaryCommandBuffers[i]->setViewport(0, viewport);
|
|
secondaryCommandBuffers[i]->setScissor(0, scissor);
|
|
secondaryCommandBuffers[i]->draw(12 * 3, 1, 0, 0);
|
|
secondaryCommandBuffers[i]->end();
|
|
}
|
|
|
|
|
|
vk::ClearValue clearValues[2];
|
|
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.get(), framebuffers[currentBuffer.value].get(), vk::Rect2D(vk::Offset2D(0, 0), surfaceData.extent), 2, clearValues);
|
|
// specifying VK_SUBPASS_CONTENTS_SECONDARY_COMMAND_BUFFERS means this render pass may ONLY call vkCmdExecuteCommands
|
|
commandBuffers[0]->beginRenderPass(renderPassBeginInfo, vk::SubpassContents::eSecondaryCommandBuffers);
|
|
commandBuffers[0]->executeCommands(vk::uniqueToRaw(secondaryCommandBuffers));
|
|
commandBuffers[0]->endRenderPass();
|
|
|
|
vk::ImageMemoryBarrier prePresentBarrier(vk::AccessFlagBits::eColorAttachmentWrite, vk::AccessFlagBits::eMemoryRead, vk::ImageLayout::eColorAttachmentOptimal, vk::ImageLayout::ePresentSrcKHR,
|
|
VK_QUEUE_FAMILY_IGNORED, VK_QUEUE_FAMILY_IGNORED, swapChainData.images[currentBuffer.value], vk::ImageSubresourceRange(vk::ImageAspectFlagBits::eColor, 0, 1, 0, 1));
|
|
commandBuffers[0]->pipelineBarrier(vk::PipelineStageFlagBits::eColorAttachmentOutput, vk::PipelineStageFlagBits::eBottomOfPipe, vk::DependencyFlags(), nullptr, nullptr, prePresentBarrier);
|
|
commandBuffers[0]->end();
|
|
|
|
vk::UniqueFence drawFence = device->createFenceUnique(vk::FenceCreateInfo());
|
|
|
|
vk::PipelineStageFlags waitDestinationStageMask(vk::PipelineStageFlagBits::eColorAttachmentOutput);
|
|
vk::SubmitInfo submitInfo(1, &imageAcquiredSemaphore.get(), &waitDestinationStageMask, 1, &commandBuffers[0].get());
|
|
graphicsQueue.submit(submitInfo, drawFence.get());
|
|
|
|
while (vk::Result::eTimeout == device->waitForFences(drawFence.get(), VK_TRUE, vk::su::FenceTimeout))
|
|
;
|
|
|
|
presentQueue.presentKHR(vk::PresentInfoKHR(0, nullptr, 1, &swapChainData.swapChain.get(), ¤tBuffer.value));
|
|
Sleep(1000);
|
|
|
|
/* VULKAN_KEY_END */
|
|
|
|
device->waitIdle();
|
|
#if defined(VK_USE_PLATFORM_WIN32_KHR)
|
|
DestroyWindow(surfaceData.window);
|
|
#else
|
|
#pragma error "unhandled platform"
|
|
#endif
|
|
}
|
|
catch (vk::SystemError err)
|
|
{
|
|
std::cout << "vk::SystemError: " << err.what() << std::endl;
|
|
exit(-1);
|
|
}
|
|
catch (std::runtime_error err)
|
|
{
|
|
std::cout << "std::runtime_error: " << err.what() << std::endl;
|
|
exit(-1);
|
|
}
|
|
catch (...)
|
|
{
|
|
std::cout << "unknown error\n";
|
|
exit(-1);
|
|
}
|
|
return 0;
|
|
}
|