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Copy pathVulkanShader.cpp
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189 lines (167 loc) · 5.55 KB
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#include "pch.h"
#include "VulkanShader.h"
namespace sh::render
{
VulkanShader::VulkanShader(int id, VkDevice device) :
Shader(id, ShaderType::SPIR),
device(device), vertShader(nullptr), fragShader(nullptr),
descriptorSetLayout(1), pipelineLayout(nullptr)
{
}
VulkanShader::VulkanShader(VulkanShader&& other) noexcept :
Shader(std::move(other)),
device(other.device),
vertShader(other.vertShader), fragShader(other.fragShader),
descriptorBindings(std::move(other.descriptorBindings)),
localDescriptorBindings(std::move(other.localDescriptorBindings)),
descriptorSetLayout(std::move(other.descriptorSetLayout)),
pipelineLayout(other.pipelineLayout)
{
other.vertShader = nullptr;
other.fragShader = nullptr;
other.device = nullptr;
other.pipelineLayout = nullptr;
}
VulkanShader::~VulkanShader()
{
Clean();
}
void VulkanShader::SetVertexShader(VkShaderModule shader)
{
vertShader = shader;
}
void VulkanShader::SetFragmentShader(VkShaderModule shader)
{
fragShader = shader;
}
void VulkanShader::Clean()
{
CleanDescriptors();
if (vertShader)
{
vkDestroyShaderModule(device, vertShader, nullptr);
vertShader = nullptr;
}
if (fragShader)
{
vkDestroyShaderModule(device, fragShader, nullptr);
fragShader = nullptr;
}
}
void VulkanShader::CleanDescriptors()
{
if (pipelineLayout)
{
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
pipelineLayout = nullptr;
}
localDescriptorBindings.clear();
descriptorBindings.clear();
for (std::size_t i = 0; i < descriptorSetLayout.size(); ++i)
{
if (descriptorSetLayout[i])
vkDestroyDescriptorSetLayout(device, descriptorSetLayout[i], nullptr);
}
descriptorSetLayout.clear();
descriptorSetLayout.resize(2);
}
auto VulkanShader::GetVertexShader() const -> const VkShaderModule
{
return vertShader;
}
auto VulkanShader::GetFragmentShader() const -> const VkShaderModule
{
return fragShader;
}
void VulkanShader::AddDescriptorBinding(uint32_t set, uint32_t binding, VkDescriptorType type, VkShaderStageFlagBits stage)
{
VkDescriptorSetLayoutBinding layoutBinding{};
layoutBinding.binding = binding;
layoutBinding.descriptorCount = 1;
layoutBinding.descriptorType = type;
layoutBinding.pImmutableSamplers = nullptr;
layoutBinding.stageFlags = stage;
if(set == 0)
localDescriptorBindings.push_back(layoutBinding);
else
descriptorBindings.push_back(layoutBinding);
}
auto VulkanShader::CreateDescriptorLayout() -> VkResult
{
if (descriptorSetLayout.size() == 1)
descriptorSetLayout.push_back(nullptr);
VkResult result = VkResult::VK_SUCCESS;
{
VkDescriptorSetLayoutCreateInfo info{};
info.sType = VkStructureType::VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
info.bindingCount = localDescriptorBindings.size();
info.pBindings = localDescriptorBindings.data();
VkDescriptorSetLayout localLayout{};
result = vkCreateDescriptorSetLayout(device, &info, nullptr, &localLayout);
assert(result == VkResult::VK_SUCCESS);
if (result != VkResult::VK_SUCCESS)
throw std::runtime_error{ std::string{"Failed to create local descriptor layout!: "} + string_VkResult(result) };
descriptorSetLayout[0] = localLayout;
}
{
VkDescriptorSetLayoutCreateInfo info{};
info.sType = VkStructureType::VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO;
info.bindingCount = descriptorBindings.size();
info.pBindings = descriptorBindings.data();
VkDescriptorSetLayout layout{};
result = vkCreateDescriptorSetLayout(device, &info, nullptr, &layout);
assert(result == VkResult::VK_SUCCESS);
if (result != VkResult::VK_SUCCESS)
throw std::runtime_error{ std::string{"Failed to create descriptor layout!: "} + string_VkResult(result) };
descriptorSetLayout[1] = layout;
}
return result;
}
auto VulkanShader::CreatePipelineLayout() -> VkResult
{
VkPipelineLayoutCreateInfo pipelineLayoutInfo{};
pipelineLayoutInfo.sType = VkStructureType::VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO;
pipelineLayoutInfo.setLayoutCount = descriptorSetLayout.size();
pipelineLayoutInfo.pSetLayouts = descriptorSetLayout.data();
pipelineLayoutInfo.pushConstantRangeCount = 0; // 푸시 상수 쓸거면 수정
pipelineLayoutInfo.pPushConstantRanges = nullptr; // Optional
return vkCreatePipelineLayout(device, &pipelineLayoutInfo, nullptr, &pipelineLayout);
}
void VulkanShader::Build()
{
CleanDescriptors();
//유니폼 버퍼, 바인딩 생성
for (auto& uniform : vertexUniforms)
{
uint32_t set = uniform.type == Shader::UniformType::Object ? 0 : 1;
AddDescriptorBinding(set, uniform.binding,
VkDescriptorType::VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VkShaderStageFlagBits::VK_SHADER_STAGE_VERTEX_BIT);
}
for (auto& uniform : fragmentUniforms)
{
uint32_t set = uniform.type == Shader::UniformType::Object ? 0 : 1;
AddDescriptorBinding(set, uniform.binding,
VkDescriptorType::VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
VkShaderStageFlagBits::VK_SHADER_STAGE_FRAGMENT_BIT);
}
for (auto& uniform : samplerUniforms)
{
AddDescriptorBinding(1, uniform.binding,
VkDescriptorType::VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
VkShaderStageFlagBits::VK_SHADER_STAGE_FRAGMENT_BIT);
}
auto result = CreateDescriptorLayout();
assert(result == VkResult::VK_SUCCESS);
result = CreatePipelineLayout();
assert(result == VkResult::VK_SUCCESS);
}
auto VulkanShader::GetDescriptorSetLayout(uint32_t set) const -> VkDescriptorSetLayout
{
return descriptorSetLayout[set];
}
auto VulkanShader::GetPipelineLayout() const -> VkPipelineLayout
{
return pipelineLayout;
}
}