glslang_wrapper.h - mozsearch

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//

// Copyright 2021 The ANGLE Project Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

//

// glslang_wrapper:

//   A wrapper to compile GLSL strings to SPIR-V blobs.  glslang here refers to the Khronos

//   compiler.

//

#ifndef COMPILER_TRANSLATOR_GLSLANG_WRAPPER_H_

#define COMPILER_TRANSLATOR_GLSLANG_WRAPPER_H_

#include "GLSLANG/ShaderLang.h"

#include "common/PackedEnums.h"

#include "common/spirv/spirv_types.h"

#include <string>

#include <vector>

namespace sh

#if defined(ANGLE_ENABLE_SPIRV_GENERATION_THROUGH_GLSLANG)

void GlslangInitialize();

void GlslangFinalize();

// Generate SPIR-V out of intermediate GLSL through glslang.

[[nodiscard]] bool GlslangCompileToSpirv(const ShBuiltInResources &resources,

                                         sh::GLenum shaderType,

                                         const std::string &shaderSource,

                                         angle::spirv::Blob *spirvBlobOut);

#else

ANGLE_INLINE void GlslangInitialize() {}

ANGLE_INLINE void GlslangFinalize() {}

ANGLE_INLINE bool GlslangCompileToSpirv(const ShBuiltInResources &resources,

                                        sh::GLenum shaderType,

                                        const std::string &shaderSource,

                                        angle::spirv::Blob *spirvBlobOut)

    UNREACHABLE();

    return false;

#endif  // defined(ANGLE_ENABLE_VULKAN) || defined(ANGLE_ENABLE_METAL)

}  // namespace sh

#endif  // COMPILER_TRANSLATOR_GLSLANG_WRAPPER_H_