| // |
| // 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_ |