kc3-lang/angle/src/compiler/Uniform.h

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• Author : Jamie Madill
  Date : 2013-06-20 11:55:55
  Hash : 440dc749
  Message : Redesign the code that uses block layouts to use a generic base class. The cleaner code also has the benefit of allowing us to separate the HLSL-specific parts out of the shader validator. TRAC #23083 Signed-off-by: Nicolas Capens Signed-off-by: Shannon Woods Authored-by: Jamie Madill

• src/compiler/Uniform.h

• //
  // Copyright (c) 2013 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.
  //
  
  #ifndef COMPILER_UNIFORM_H_
  #define COMPILER_UNIFORM_H_
  
  #include <string>
  #include <vector>
  
  #define GL_APICALL
  #include <GLES3/gl3.h>
  #include <GLES2/gl2.h>
  
  namespace sh
  {
  
  struct ShaderVariable
  {
      ShaderVariable();
      ShaderVariable(GLenum type, GLenum precision, const char *name, unsigned int arraySize, int location);
  
      GLenum type;
      GLenum precision;
      std::string name;
      unsigned int arraySize;
      int location;
  };
  
  typedef std::vector<ShaderVariable> ActiveShaderVariables;
  
  struct Uniform
  {
      Uniform(GLenum type, GLenum precision, const char *name, unsigned int arraySize, unsigned int registerIndex, bool isRowMajorMatrix);
  
      GLenum type;
      GLenum precision;
      std::string name;
      unsigned int arraySize;
  
      unsigned int registerIndex;
      bool isRowMajorMatrix;
  
      std::vector<Uniform> fields;
  };
  
  typedef std::vector<Uniform> ActiveUniforms;
  
  struct BlockMemberInfo
  {
      BlockMemberInfo(int offset, int arrayStride, int matrixStride, bool isRowMajorMatrix);
  
      int offset;
      int arrayStride;
      int matrixStride;
      bool isRowMajorMatrix;
  
      static const BlockMemberInfo defaultBlockInfo;
  };
  
  typedef std::vector<BlockMemberInfo> BlockMemberInfoArray;
  
  enum BlockLayoutType
  {
      BLOCKLAYOUT_STANDARD,
      BLOCKLAYOUT_PACKED,
      BLOCKLAYOUT_SHARED
  };
  
  struct InterfaceBlock
  {
      InterfaceBlock(const char *name, unsigned int arraySize, unsigned int registerIndex);
  
      std::string name;
      unsigned int arraySize;
      ActiveUniforms activeUniforms;
      size_t dataSize;
      std::vector<BlockMemberInfo> blockInfo;
      BlockLayoutType layout;
  
      unsigned int registerIndex;
  };
  
  typedef std::vector<InterfaceBlock> ActiveInterfaceBlocks;
  
  }
  
  #endif   // COMPILER_UNIFORM_H_