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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.
// The shaders are then fed into glslang to spit out SPIR-V (libANGLE-side).
// See:
#include "compiler/translator/Compiler.h"
namespace sh
class TOutputVulkanGLSL;
class TranslatorVulkan : public TCompiler
TranslatorVulkan(sh::GLenum type, ShShaderSpec spec);
ANGLE_NO_DISCARD bool translate(TIntermBlock *root,
ShCompileOptions compileOptions,
PerformanceDiagnostics *perfDiagnostics) override;
bool shouldFlattenPragmaStdglInvariantAll() override;
TIntermBinary *getDriverUniformNegViewportYScaleRef(const TVariable *driverUniforms) const;
TIntermBinary *getDriverUniformDepthRangeReservedFieldRef(
const TVariable *driverUniforms) const;
// Subclass can call this method to transform the AST before writing the final output.
// See TranslatorMetal.cpp.
ANGLE_NO_DISCARD bool translateImpl(TIntermBlock *root,
ShCompileOptions compileOptions,
PerformanceDiagnostics *perfDiagnostics,
const TVariable **driverUniformsOut,
TOutputVulkanGLSL *outputGLSL);
// Give subclass such as TranslatorMetal a chance to do depth transform before
// TranslatorVulkan apply its own transform.
ANGLE_NO_DISCARD virtual bool transformDepthBeforeCorrection(TIntermBlock *root,
const TVariable *driverUniforms)
return true;
} // namespace sh