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Refactor code

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GeorgH93
2020-09-25 01:55:18 +02:00
parent 9f105a4397
commit 4f2122a2be
12 changed files with 457 additions and 358 deletions
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88
openVulkanoCpp/Vulkan/Scene/VulkanShader.cpp Normal file
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/*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*/
#include "VulkanShader.hpp"
#include "../Context.hpp"
#include "../Device.hpp"
#include "../../Scene/Vertex.hpp"
namespace openVulkanoCpp::Vulkan
{
namespace
{
constexpr vk::PrimitiveTopology ToVkTopology(Scene::Topology topology)
{
switch (topology)
{
case Scene::Topology::PointList: return vk::PrimitiveTopology::ePointList;
case Scene::Topology::LineList: return vk::PrimitiveTopology::eLineList;
case Scene::Topology::LineStripe: return vk::PrimitiveTopology::eLineStrip;
case Scene::Topology::TriangleList: return vk::PrimitiveTopology::eTriangleList;
case Scene::Topology::TriangleStripe: return vk::PrimitiveTopology::eTriangleStrip;
default: throw std::runtime_error("Unknown topology!");
}
}
}
void VulkanShader::Init(Context* context, Scene::Shader* shader, IShaderOwner* owner)
{
this->device = context->device->device;
this->shader = shader;
this->owner = owner;
shaderModuleVertex = context->device->CreateShaderModule(shader->vertexShaderName + ".vert.spv");
shaderModuleFragment = context->device->CreateShaderModule(shader->fragmentShaderName + ".frag.spv");
std::vector<vk::PipelineShaderStageCreateInfo> shaderStageCreateInfos(2);
shaderStageCreateInfos[0] = { {}, vk::ShaderStageFlagBits::eVertex, shaderModuleVertex, "main" };
shaderStageCreateInfos[1] = { {}, vk::ShaderStageFlagBits::eFragment, shaderModuleFragment, "main" };
auto vertexBindDesc = vk::VertexInputBindingDescription(0, sizeof(Vertex), vk::VertexInputRate::eVertex);
std::vector<vk::VertexInputAttributeDescription> attributeDescriptions;
attributeDescriptions.emplace_back(0, 0, vk::Format::eR32G32B32Sfloat, offsetof(Vertex, position));
attributeDescriptions.emplace_back(1, 0, vk::Format::eR32G32B32Sfloat, offsetof(Vertex, normal));
attributeDescriptions.emplace_back(2, 0, vk::Format::eR32G32B32Sfloat, offsetof(Vertex, tangent));
attributeDescriptions.emplace_back(3, 0, vk::Format::eR32G32B32Sfloat, offsetof(Vertex, biTangent));
attributeDescriptions.emplace_back(4, 0, vk::Format::eR32G32B32Sfloat, offsetof(Vertex, textureCoordinates));
attributeDescriptions.emplace_back(5, 0, vk::Format::eR32G32B32A32Sfloat, offsetof(Vertex, color));
auto viewport = context->swapChain.GetFullscreenViewport();
auto scissor = context->swapChain.GetFullscreenScissor();
vk::PipelineViewportStateCreateInfo viewportStateCreateInfo = { {}, 1, &viewport, 1, &scissor };
vk::PipelineVertexInputStateCreateInfo pipelineVertexInputStateCreateInfo = { {}, 1, &vertexBindDesc,
static_cast<uint32_t>(attributeDescriptions.size()), attributeDescriptions.data() };
vk::PipelineInputAssemblyStateCreateInfo inputAssembly = { {}, ToVkTopology(shader->topology), 0 };
vk::PipelineRasterizationStateCreateInfo rasterizer = {};
rasterizer.cullMode = vk::CullModeFlagBits::eBack;
vk::PipelineMultisampleStateCreateInfo msaa = {};
vk::PipelineDepthStencilStateCreateInfo depth = { {}, 1, 1, vk::CompareOp::eLess };
depth.maxDepthBounds = 1;
vk::PipelineColorBlendAttachmentState colorBlendAttachment = {};
colorBlendAttachment.colorWriteMask = vk::ColorComponentFlagBits::eA | vk::ColorComponentFlagBits::eB | vk::ColorComponentFlagBits::eG | vk::ColorComponentFlagBits::eR;
vk::PipelineColorBlendStateCreateInfo colorInfo = {};
colorInfo.attachmentCount = 1;
colorInfo.pAttachments = &colorBlendAttachment;
vk::GraphicsPipelineCreateInfo pipelineCreateInfo = { {}, static_cast<uint32_t>(shaderStageCreateInfos.size()), shaderStageCreateInfos.data(), &pipelineVertexInputStateCreateInfo, &inputAssembly,
nullptr, &viewportStateCreateInfo, &rasterizer, &msaa, &depth, &colorInfo, nullptr, context->pipeline.pipelineLayout, context->swapChainRenderPass.renderPass };
pipeline = this->device.createGraphicsPipeline({}, pipelineCreateInfo).value;
}
void VulkanShader::Record(vk::CommandBuffer& cmdBuffer, uint32_t bufferId)
{
cmdBuffer.bindPipeline(vk::PipelineBindPoint::eGraphics, pipeline);
}
void VulkanShader::Close()
{
owner->RemoveShader(this);
shader = nullptr;
device.destroyPipeline(pipeline);
device.destroyShaderModule(shaderModuleVertex);
device.destroyShaderModule(shaderModuleFragment);
}
}