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

53 lines
1.8 KiB
C++

#include "Shader.h"
#include "Graphics.h"
#include "Graphics/slang-compile.h"
#include "slang-com-ptr.h"
#include "slang.h"
#include "stdlib.h"
#include <fstream>
#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(const ShaderCreateInfo& createInfo) {
auto [kernelBlob, entryName] = generateShader(createInfo);
entryPointName = entryName;
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);
}
void Shader::create(std::string_view binary) {
std::ifstream stream(binary.data(), std::ios::binary | std::ios::ate);
uint64 fullSize = stream.tellg();
stream.seekg(0, std::ios::beg);
Array<uint32> buffer(fullSize);
stream.read((char*)buffer.data(), fullSize);
VkShaderModuleCreateInfo moduleInfo = {
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.pNext = nullptr,
.flags = 0,
.codeSize = buffer.size() / sizeof(uint32),
.pCode = (uint32*)buffer.data(),
};
VK_CHECK(vkCreateShaderModule(graphics->getDevice(), &moduleInfo, nullptr, &module));
}