kc3-lang/angle/src/libANGLE/renderer/metal/mtl_msl_utils.h

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• Hash : fe02de25
  Author :
  Date : 2024-07-04T00:00:00
  

  Metal: Remove MTLGetMSL dependency on context
  
  Bug: angleproject:351165323
  Change-Id: Idf56665cce67dcf51ac4d6148212786bcc398b67
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5678417
  Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/metal/mtl_msl_utils.h

• //
  // Copyright 2019 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.
  //
  // mtl_msl_utils.h: Utilities to manipulate MSL.
  //
  
  #ifndef mtl_msl_utils_h
  #define mtl_msl_utils_h
  
  #include <memory>
  
  #include "compiler/translator/msl/TranslatorMSL.h"
  #include "libANGLE/Context.h"
  #include "libANGLE/renderer/ProgramImpl.h"
  #include "libANGLE/renderer/metal/mtl_common.h"
  
  namespace rx
  {
  struct CompiledShaderStateMtl : angle::NonCopyable
  {
      sh::TranslatorMetalReflection translatorMetalReflection = {};
  };
  using SharedCompiledShaderStateMtl = std::shared_ptr<CompiledShaderStateMtl>;
  
  namespace mtl
  {
  struct SamplerBinding
  {
      uint32_t textureBinding = 0;
      uint32_t samplerBinding = 0;
  };
  
  struct TranslatedShaderInfo
  {
      void reset();
      // Translated Metal source code
      std::shared_ptr<const std::string> metalShaderSource;
      // Metal library compiled from source code above. Used by ProgramMtl.
      AutoObjCPtr<id<MTLLibrary>> metalLibrary;
      std::array<SamplerBinding, kMaxGLSamplerBindings> actualSamplerBindings;
      std::array<int, kMaxShaderImages> actualImageBindings;
      std::array<uint32_t, kMaxGLUBOBindings> actualUBOBindings;
      std::array<uint32_t, kMaxShaderXFBs> actualXFBBindings;
      bool hasUBOArgumentBuffer;
      bool hasIsnanOrIsinf;
      bool hasInvariant;
  };
  
  void MSLGetShaderSource(const gl::ProgramState &programState,
                          const gl::ProgramLinkedResources &resources,
                          gl::ShaderMap<std::string> *shaderSourcesOut);
  
  angle::Result MTLGetMSL(const angle::FeaturesMtl &features,
                          const gl::ProgramExecutable &executable,
                          const gl::ShaderMap<std::string> &shaderSources,
                          const gl::ShaderMap<SharedCompiledShaderStateMtl> &shadersState,
                          gl::ShaderMap<TranslatedShaderInfo> *mslShaderInfoOut);
  
  // Get equivalent shadow compare mode that is used in translated msl shader.
  uint MslGetShaderShadowCompareMode(GLenum mode, GLenum func);
  }  // namespace mtl
  }  // namespace rx
  
  #endif /* mtl_msl_utils_h */
  

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