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// slang-support.h
#pragma once
#include "render.h"
#include <slang.h>
#include "shader-input-layout.h"
#include "options.h"
namespace renderer_test {
struct ShaderCompilerUtil
{
struct Input
{
SlangCompileTarget target;
SlangSourceLanguage sourceLanguage;
SlangPassThrough passThrough;
PipelineType pipelineType = PipelineType::Unknown;
char const* profile;
const char** args;
int argCount;
};
struct Output
{
void set(PipelineType pipelineType, const ShaderProgram::KernelDesc* inKernelDescs, Slang::Index kernelDescCount)
{
kernelDescs.clear();
kernelDescs.addRange(inKernelDescs, kernelDescCount);
desc.pipelineType = pipelineType;
desc.kernels = kernelDescs.getBuffer();
desc.kernelCount = kernelDescCount;
}
void reset()
{
{
desc.pipelineType = PipelineType::Unknown;
desc.kernels = nullptr;
desc.kernelCount = 0;
}
kernelDescs.clear();
if (request && session)
{
spDestroyCompileRequest(request);
}
session = nullptr;
request = nullptr;
}
~Output()
{
if (request && session)
{
spDestroyCompileRequest(request);
}
}
Slang::Index findKernelDescIndex(gfx::StageType stage) const
{
for (Slang::Index i = 0; i < kernelDescs.getCount(); ++i)
{
if (kernelDescs[i].stage == stage)
{
return i;
}
}
return -1;
}
List<ShaderProgram::KernelDesc> kernelDescs;
ShaderProgram::Desc desc;
SlangCompileRequest* request = nullptr;
SlangSession* session = nullptr;
};
struct OutputAndLayout
{
Output output;
ShaderInputLayout layout;
Slang::String sourcePath;
};
static SlangResult compileWithLayout(SlangSession* session, const Options& options, const ShaderCompilerUtil::Input& input, OutputAndLayout& output);
static SlangResult readSource(const Slang::String& inSourcePath, List<char>& outSourceText);
static SlangResult compileProgram(SlangSession* session, const Input& input, const ShaderCompileRequest& request, Output& out);
};
} // renderer_test
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