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//
// Copyright 2016 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.
//
// TranslatorVulkan:
// A GLSL-based translator that outputs shaders that fit GL_KHR_vulkan_glsl and feeds them into
// glslang to spit out SPIR-V.
// See: https://www.khronos.org/registry/vulkan/specs/misc/GL_KHR_vulkan_glsl.txt
//
#ifndef COMPILER_TRANSLATOR_TRANSLATORVULKAN_H_
#define COMPILER_TRANSLATOR_TRANSLATORVULKAN_H_
#include "compiler/translator/Compiler.h"
namespace sh
{
class TOutputVulkanGLSL;
class SpecConst;
class DriverUniform;
class TranslatorVulkan : public TCompiler
{
public:
TranslatorVulkan(sh::GLenum type, ShShaderSpec spec);
protected:
[[nodiscard]] bool translate(TIntermBlock *root,
const ShCompileOptions &compileOptions,
PerformanceDiagnostics *perfDiagnostics) override;
bool shouldFlattenPragmaStdglInvariantAll() override;
// Subclass can call this method to transform the AST before writing the final output.
// See TranslatorMetal.cpp.
[[nodiscard]] bool translateImpl(TInfoSinkBase &sink,
TIntermBlock *root,
const ShCompileOptions &compileOptions,
PerformanceDiagnostics *perfDiagnostics,
SpecConst *specConst,
DriverUniform *driverUniforms);
void writeExtensionBehavior(const ShCompileOptions &compileOptions, TInfoSinkBase &sink);
// Give subclass such as TranslatorMetal a chance to do depth transform before
// TranslatorVulkan apply its own transform.
[[nodiscard]] virtual bool transformDepthBeforeCorrection(TIntermBlock *root,
const DriverUniform *driverUniforms)
{
return true;
}
// Generate SPIR-V out of intermediate GLSL through glslang.
[[nodiscard]] bool compileToSpirv(const TInfoSinkBase &glsl);
};
} // namespace sh
#endif // COMPILER_TRANSLATOR_TRANSLATORVULKAN_H_
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