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// slang-glslang.h
#ifndef SLANG_GLSLANG_H_INCLUDED
#define SLANG_GLSLANG_H_INCLUDED
#include <cstdint>
#include <cstring>
#include <memory>
#include <stddef.h>
typedef void (*glslang_OutputFunc)(void const* data, size_t size, void* userData);
enum
{
GLSLANG_ACTION_COMPILE_GLSL_TO_SPIRV,
GLSLANG_ACTION_DISSASSEMBLE_SPIRV,
GLSLANG_ACTION_OPTIMIZE_SPIRV,
};
struct glsl_SPIRVVersion
{
int major, minor, patch;
};
// clang-format off
#define SLANG_GLSLANG_COMPILE_REQUEST_1_0(x) \
x(sourcePath) \
x(inputBegin) \
x(inputEnd) \
x(diagnosticFunc) \
x(diagnosticUserData) \
x(outputFunc) \
x(outputUserData) \
x(slangStage) \
x(action) \
x(optimizationLevel) \
x(debugInfoType)
#define SLANG_GLSLANG_FIELD_COPY(name) name = in.name;
// clang-format on
// Pre-declare
struct glslang_CompileRequest_1_1;
// 1.0 version
struct glslang_CompileRequest_1_0
{
void set(const glslang_CompileRequest_1_1& in);
char const* sourcePath;
void const* inputBegin;
void const* inputEnd;
glslang_OutputFunc diagnosticFunc;
void* diagnosticUserData;
glslang_OutputFunc outputFunc;
void* outputUserData;
int slangStage;
unsigned action;
unsigned optimizationLevel;
unsigned debugInfoType;
};
// 1.1 version
struct glslang_CompileRequest_1_1
{
/// Set from 1.0
void set(const glslang_CompileRequest_1_0& in);
size_t sizeInBytes; ///< Size in bytes of this structure
// START! Embed the glslang_CompileRequest_1_0 fields
char const* sourcePath;
void const* inputBegin;
void const* inputEnd;
glslang_OutputFunc diagnosticFunc;
void* diagnosticUserData;
glslang_OutputFunc outputFunc;
void* outputUserData;
int slangStage;
unsigned action;
unsigned optimizationLevel;
unsigned debugInfoType;
// END! Embed the glslang_CompileRequest_1_0 fields
const char* spirvTargetName; /// A valid TargetName. If null will use universal based on the
/// spirVersion.
glsl_SPIRVVersion spirvVersion; ///< The SPIR-V version. If all are 0 will use the default which
///< is 1.2 currently
};
// 1.2 version
struct glslang_CompileRequest_1_2
{
/// Set from 1.1
void set(const glslang_CompileRequest_1_1& in);
size_t sizeInBytes; ///< Size in bytes of this structure
// START! Embed the glslang_CompileRequest_1_0 fields
char const* sourcePath;
void const* inputBegin;
void const* inputEnd;
glslang_OutputFunc diagnosticFunc;
void* diagnosticUserData;
glslang_OutputFunc outputFunc;
void* outputUserData;
int slangStage;
unsigned action;
unsigned optimizationLevel;
unsigned debugInfoType;
// END! Embed the glslang_CompileRequest_1_0 fields
const char* spirvTargetName; /// A valid TargetName. If null will use universal based on the
/// spirVersion.
glsl_SPIRVVersion spirvVersion; ///< The SPIR-V version. If all are 0 will use the default which
///< is 1.2 currently
// glslang_CompileRequest_1_2 fields
const char* entryPointName; // The name of the entrypoint that will appear in output spirv.
};
inline void glslang_CompileRequest_1_0::set(const glslang_CompileRequest_1_1& in)
{
SLANG_GLSLANG_COMPILE_REQUEST_1_0(SLANG_GLSLANG_FIELD_COPY)
}
inline void glslang_CompileRequest_1_1::set(const glslang_CompileRequest_1_0& in)
{
SLANG_GLSLANG_COMPILE_REQUEST_1_0(SLANG_GLSLANG_FIELD_COPY)
}
inline void glslang_CompileRequest_1_2::set(const glslang_CompileRequest_1_1& in)
{
memcpy(this, &in, sizeof(in));
}
typedef struct glslang_LinkRequest_t
{
const uint32_t** modules; // Input: array of pointers to SPIR-V modules
const uint32_t* moduleSizes; // Input: array of sizes of SPIR-V modules in 32-bit words
int moduleCount; // Input: number of modules in the array
const uint32_t* linkResult; // Output: pointer to linked SPIR-V module
size_t linkResultSize; // Output: size of the linked SPIR-V module in 32-bit words
} glslang_LinkRequest;
typedef int (*glslang_CompileFunc_1_0)(glslang_CompileRequest_1_0* request);
typedef int (*glslang_CompileFunc_1_1)(glslang_CompileRequest_1_1* request);
typedef int (*glslang_CompileFunc_1_2)(glslang_CompileRequest_1_2* request);
typedef bool (*glslang_ValidateSPIRVFunc)(const uint32_t* contents, int contentsSize);
typedef bool (*glslang_DisassembleSPIRVFunc)(const uint32_t* contents, int contentsSize);
typedef bool (*glslang_DisassembleSPIRVWithResultFunc)(
const uint32_t* contents,
int contentsSize,
char** outString);
typedef bool (*glslang_LinkSPIRVFunc)(glslang_LinkRequest* request);
#endif
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