Files
Seele/src/Engine/Graphics/Vulkan/Shader.cpp
T

47 lines
1.2 KiB
C++

#include "Shader.h"
#include "Graphics.h"
#include "Graphics/slang-compile.h"
#include "slang.h"
#include "slang-com-ptr.h"
#include "stdlib.h"
#include <fmt/core.h>
using namespace Seele;
using namespace Seele::Vulkan;
Shader::Shader(PGraphics graphics, VkShaderStageFlags stage)
: graphics(graphics)
, stage(stage)
{
}
Shader::~Shader()
{
if (module != VK_NULL_HANDLE)
{
vkDestroyShaderModule(graphics->getDevice(), module, nullptr);
}
}
uint32 Seele::Vulkan::Shader::getShaderHash() const
{
return hash;
}
void Shader::create(ShaderCreateInfo createInfo)
{
Map<std::string, uint32> paramMapping;
Slang::ComPtr<slang::IBlob> kernelBlob = generateShader(createInfo, SLANG_SPIRV, paramMapping);
createInfo.rootSignature->addMapping(paramMapping);
VkShaderModuleCreateInfo moduleInfo =
{
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.codeSize = kernelBlob->getBufferSize(),
.pCode = (uint32_t*)kernelBlob->getBufferPointer(),
};
VK_CHECK(vkCreateShaderModule(graphics->getDevice(), &moduleInfo, nullptr, &module));
hash = CRC::Calculate(kernelBlob->getBufferPointer(), kernelBlob->getBufferSize(), CRC::CRC_32(), hash);
}