kc3-lang/angle/src/libANGLE/renderer/ShaderInterfaceVariableInfoMap.h

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• Hash : c4a9d416
  Author :
  Date : 2022-01-05T15:28:11
  

  Metal: Refactor to build without SPIR-V
  
  Refactor ShaderInterfaceInfoMap and constant names to thier
  own files, allowing Webkit to build without needing to compile
  SPIRV code via mtl_glslang_utils.cpp.
  
  Bug: angleproject:6782
  Change-Id: I7a9c7e387145c95807f780e24bd2764e0efb5709
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3364970
  Reviewed-by: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Kyle Piddington <kpiddington@apple.com>
  

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• src/libANGLE/renderer/ShaderInterfaceVariableInfoMap.h

• //
  // 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.
  //
  // Header for the shared ShaderInterfaceVariableInfoMap class, used by both the
  // Direct-to-Metal and Metal-SPIRV backends
  
  #ifndef LIBANGLE_RENDERER_SHADERINTERFACEVARIABLEINFOMAP_H_
  #define LIBANGLE_RENDERER_SHADERINTERFACEVARIABLEINFOMAP_H_
  
  #include <functional>
  
  #include <stdio.h>
  #include "libANGLE/renderer/ProgramImpl.h"
  #include "libANGLE/renderer/glslang_wrapper_utils.h"
  #include "libANGLE/renderer/renderer_utils.h"
  namespace rx
  {
  
  // TODO: http://anglebug.com/4524: Need a different hash key than a string, since that's slow to
  // calculate.
  class ShaderInterfaceVariableInfoMap final : angle::NonCopyable
  {
    public:
      ShaderInterfaceVariableInfoMap();
      ~ShaderInterfaceVariableInfoMap();
  
      void clear();
      bool contains(gl::ShaderType shaderType, const std::string &variableName) const;
      const ShaderInterfaceVariableInfo &get(gl::ShaderType shaderType,
                                             const std::string &variableName) const;
      ShaderInterfaceVariableInfo &get(gl::ShaderType shaderType, const std::string &variableName);
      ShaderInterfaceVariableInfo &add(gl::ShaderType shaderType, const std::string &variableName);
      void markAsDuplicate(gl::ShaderType shaderType, const std::string &variableName);
      ShaderInterfaceVariableInfo &addOrGet(gl::ShaderType shaderType,
                                            const std::string &variableName);
      size_t variableCount(gl::ShaderType shaderType) const { return mData[shaderType].size(); }
  
      using VariableNameToInfoMap = angle::HashMap<std::string, ShaderInterfaceVariableInfo>;
  
      class Iterator final
      {
        public:
          Iterator(VariableNameToInfoMap::const_iterator beginIt,
                   VariableNameToInfoMap::const_iterator endIt)
              : mBeginIt(beginIt), mEndIt(endIt)
          {}
          VariableNameToInfoMap::const_iterator begin() { return mBeginIt; }
          VariableNameToInfoMap::const_iterator end() { return mEndIt; }
  
        private:
          VariableNameToInfoMap::const_iterator mBeginIt;
          VariableNameToInfoMap::const_iterator mEndIt;
      };
  
      Iterator getIterator(gl::ShaderType shaderType) const;
  
    private:
      gl::ShaderMap<VariableNameToInfoMap> mData;
  };
  
  }  // namespace rx
  #endif  // LIBANGLE_RENDERER_SHADERINTERFACEVARIABLEINFOMAP_H_
  

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