Vulkan-Hpp/samples/14_InitPipeline/14_InitPipeline.cpp

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// 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 : 14_InitPipeline
// Initialize graphics pipeline
#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 = "14_InitPipeline";
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::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger(instance);
#endif
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
vk::su::SurfaceData surfaceData(instance, AppName, vk::Extent2D(500, 500));
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex = vk::su::findGraphicsAndPresentQueueFamilyIndex(physicalDevice, *surfaceData.surface);
vk::UniqueDevice device = vk::su::createDevice(physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions());
vk::UniqueRenderPass renderPass = vk::su::createRenderPass(device, vk::su::pickSurfaceFormat(physicalDevice.getSurfaceFormatsKHR(surfaceData.surface.get())).format, vk::Format::eD16Unorm);
vk::UniqueDescriptorSetLayout descriptorSetLayout = vk::su::createDescriptorSetLayout(device, { {vk::DescriptorType::eUniformBuffer, 1, vk::ShaderStageFlagBits::eVertex} });
vk::UniquePipelineLayout pipelineLayout = device->createPipelineLayoutUnique(vk::PipelineLayoutCreateInfo(vk::PipelineLayoutCreateFlags(), 1, &descriptorSetLayout.get()));
glslang::InitializeProcess();
vk::UniqueShaderModule vertexShaderModule = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eVertex, vertexShaderText_PC_C);
vk::UniqueShaderModule fragmentShaderModule = vk::su::createShaderModule(device, vk::ShaderStageFlagBits::eFragment, fragmentShaderText_C_C);
glslang::FinalizeProcess();
/* VULKAN_KEY_START */
vk::PipelineShaderStageCreateInfo pipelineShaderStageCreateInfos[2] =
{
vk::PipelineShaderStageCreateInfo(vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eVertex, vertexShaderModule.get(), "main"),
vk::PipelineShaderStageCreateInfo(vk::PipelineShaderStageCreateFlags(), vk::ShaderStageFlagBits::eFragment, fragmentShaderModule.get(), "main")
};
vk::VertexInputBindingDescription vertexInputBindingDescription(0, sizeof(coloredCubeData[0]));
vk::VertexInputAttributeDescription vertexInputAttributeDescriptions[2] =
{
vk::VertexInputAttributeDescription(0, 0, vk::Format::eR32G32B32A32Sfloat, 0),
vk::VertexInputAttributeDescription(1, 0, vk::Format::eR32G32B32A32Sfloat, 16)
};
vk::PipelineVertexInputStateCreateInfo pipelineVertexInputStateCreateInfo
(
vk::PipelineVertexInputStateCreateFlags(), // flags
1, // vertexBindingDescriptionCount
&vertexInputBindingDescription, // pVertexBindingDescription
2, // vertexAttributeDescriptionCount
vertexInputAttributeDescriptions // pVertexAttributeDescriptions
);
vk::PipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateCreateInfo(vk::PipelineInputAssemblyStateCreateFlags(), vk::PrimitiveTopology::eTriangleList);
vk::PipelineViewportStateCreateInfo pipelineViewportStateCreateInfo(vk::PipelineViewportStateCreateFlags(), 1, nullptr, 1, nullptr);
vk::PipelineRasterizationStateCreateInfo pipelineRasterizationStateCreateInfo
(
vk::PipelineRasterizationStateCreateFlags(), // flags
false, // depthClampEnable
false, // rasterizerDiscardEnable
vk::PolygonMode::eFill, // polygonMode
vk::CullModeFlagBits::eBack, // cullMode
vk::FrontFace::eClockwise, // frontFace
false, // depthBiasEnable
0.0f, // depthBiasConstantFactor
0.0f, // depthBiasClamp
0.0f, // depthBiasSlopeFactor
1.0f // lineWidth
);
vk::PipelineMultisampleStateCreateInfo pipelineMultisampleStateCreateInfo
(
vk::PipelineMultisampleStateCreateFlags(), // flags
vk::SampleCountFlagBits::e1 // rasterizationSamples
// other values can be default
);
vk::StencilOpState stencilOpState(vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::StencilOp::eKeep, vk::CompareOp::eAlways);
vk::PipelineDepthStencilStateCreateInfo pipelineDepthStencilStateCreateInfo
(
vk::PipelineDepthStencilStateCreateFlags(), // flags
true, // depthTestEnable
true, // depthWriteEnable
vk::CompareOp::eLessOrEqual, // depthCompareOp
false, // depthBoundTestEnable
false, // stencilTestEnable
stencilOpState, // front
stencilOpState // back
);
vk::ColorComponentFlags colorComponentFlags(vk::ColorComponentFlagBits::eR | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eA);
vk::PipelineColorBlendAttachmentState pipelineColorBlendAttachmentState
(
false, // blendEnable
vk::BlendFactor::eZero, // srcColorBlendFactor
vk::BlendFactor::eZero, // dstColorBlendFactor
vk::BlendOp::eAdd, // colorBlendOp
vk::BlendFactor::eZero, // srcAlphaBlendFactor
vk::BlendFactor::eZero, // dstAlphaBlendFactor
vk::BlendOp::eAdd, // alphaBlendOp
colorComponentFlags // colorWriteMask
);
vk::PipelineColorBlendStateCreateInfo pipelineColorBlendStateCreateInfo
(
vk::PipelineColorBlendStateCreateFlags(), // flags
false, // logicOpEnable
vk::LogicOp::eNoOp, // logicOp
1, // attachmentCount
&pipelineColorBlendAttachmentState, // pAttachments
{ { 1.0f, 1.0f, 1.0f, 1.0f } } // blendConstants
);
vk::DynamicState dynamicStates[2] = { vk::DynamicState::eViewport, vk::DynamicState::eScissor };
vk::PipelineDynamicStateCreateInfo pipelineDynamicStateCreateInfo(vk::PipelineDynamicStateCreateFlags(), 2, dynamicStates);
vk::GraphicsPipelineCreateInfo graphicsPipelineCreateInfo
(
vk::PipelineCreateFlags(), // flags
2, // stageCount
pipelineShaderStageCreateInfos, // pStages
&pipelineVertexInputStateCreateInfo, // pVertexInputState
&pipelineInputAssemblyStateCreateInfo, // pInputAssemblyState
nullptr, // pTessellationState
&pipelineViewportStateCreateInfo, // pViewportState
&pipelineRasterizationStateCreateInfo, // pRasterizationState
&pipelineMultisampleStateCreateInfo, // pMultisampleState
&pipelineDepthStencilStateCreateInfo, // pDepthStencilState
&pipelineColorBlendStateCreateInfo, // pColorBlendState
&pipelineDynamicStateCreateInfo, // pDynamicState
pipelineLayout.get(), // layout
renderPass.get() // renderPass
);
vk::UniquePipeline pipeline = device->createGraphicsPipelineUnique(nullptr, graphicsPipelineCreateInfo);
/* VULKAN_KEY_END */
}
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;
}