glslang_interface.h

// Author: Sergey Kosarevsky [email protected]

#pragma once

#include "glslang/Include/ShaderTypes.h"
#include "glslang/Include/ResourceLimits.h"
#include "glslang/MachineIndependent/Versions.h"

typedef void* ShaderHandle;
typedef void* ProgramHandle;

struct ShaderCompilationInput
{
	size_t size; // sizeof(ShaderCompilationInput)
	//
	glslang::EShSource lang;
	EShLanguage stage;
	glslang::EShClient client;
	glslang::EShTargetClientVersion clientVersion;
	glslang::EShTargetLanguage targetLanguage;
	glslang::EShTargetLanguageVersion targetLanguageVersion;
	const char* code;
	const TBuiltInResource* builtInResources;
	int defaultVersion;
	EProfile defaultProfile;
	bool forceDefaultVersionAndProfile;
	bool forwardCompatible;
	EShMessages messages;
};

struct ProgramLinkOptions
{
	size_t size; // sizeof(ProgramLinkOptions)
	//
	EShMessages messages;
};

void glslangInitializeProcess();
void glslangFinalizeProcess();

ShaderHandle glslangShaderCreate(const ShaderCompilationInput*);
void glslangShaderDelete(ShaderHandle);
bool glslangShaderPreprocess(ShaderHandle, const ShaderCompilationInput*);
bool glslangShaderParse(ShaderHandle, const ShaderCompilationInput*);
const char* glslangShaderGetPreprocessedCode(ShaderHandle);
const char* glslangShaderGetInfoLog(ShaderHandle);
const char* glslangShaderGetInfoDebugLog(ShaderHandle);

ProgramHandle glslangProgramCreate();
void glslangProgramDelete(ProgramHandle);
void glslangProgramAddShader(ProgramHandle, ShaderHandle);
bool glslangProgramLink(ProgramHandle, const ProgramLinkOptions*);
void glslangProgramSPIRVGenerate(ProgramHandle, EShLanguage);
size_t glslangProgramSPIRVGetSize( ProgramHandle );
void glslangProgramSPIRVGet( ProgramHandle, unsigned int* );
const char* glslangProgramSPIRVGetMessages(ProgramHandle);
const char* glslangProgramGetInfoLog(ProgramHandle);
const char* glslangProgramGetInfoDebugLog(ProgramHandle);