SPIRV/SpvTools.h

//
// Copyright (C) 2014-2016 LunarG, Inc.
// Copyright (C) 2018 Google, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//    Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
//    Redistributions in binary form must reproduce the above
//    copyright notice, this list of conditions and the following
//    disclaimer in the documentation and/or other materials provided
//    with the distribution.
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//    Neither the name of 3Dlabs Inc. Ltd. nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// POSSIBILITY OF SUCH DAMAGE.

//
// Call into SPIRV-Tools to disassemble, validate, and optimize.
//

#pragma once
#ifndef GLSLANG_SPV_TOOLS_H
#define GLSLANG_SPV_TOOLS_H

#ifdef ENABLE_OPT
#include <vector>
#include <ostream>
#endif

#include "glslang/MachineIndependent/localintermediate.h"
#include "Logger.h"

namespace glslang {

struct SpvOptions {
    SpvOptions() : generateDebugInfo(false), disableOptimizer(true),
        optimizeSize(false), disassemble(false), validate(false) { }
    bool generateDebugInfo;
    bool disableOptimizer;
    bool optimizeSize;
    bool disassemble;
    bool validate;
};

#ifdef ENABLE_OPT

// Use the SPIRV-Tools disassembler to print SPIR-V.
void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv);

// Apply the SPIRV-Tools validator to generated SPIR-V.
void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
                        spv::SpvBuildLogger*, bool prelegalization);

// Apply the SPIRV-Tools optimizer to generated SPIR-V, for the purpose of
// legalizing HLSL SPIR-V.
void SpirvToolsLegalize(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
                        spv::SpvBuildLogger*, const SpvOptions*);

#endif

} // end namespace glslang

#endif // GLSLANG_SPV_TOOLS_H