kc3-lang/angle/src/libGLESv2/Uniform.h

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• Hash : 17732823
  Author :
  Date : 2013-08-29T13:46:49
  

  Moved the compiler source files into directories based on their project and added a compiler.gypi to generate the compiler projects.
  

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• src/libGLESv2/Uniform.h

• //
  // Copyright (c) 2010-2013 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 LIBGLESV2_UNIFORM_H_
  #define LIBGLESV2_UNIFORM_H_
  
  #include <string>
  #include <vector>
  
  #define GL_APICALL
  #include <GLES3/gl3.h>
  #include <GLES2/gl2.h>
  
  #include "common/debug.h"
  #include "angletypes.h"
  #include "compiler/translator/ShaderVariable.h"
  
  namespace gl
  {
  
  // Helper struct representing a single shader uniform
  struct Uniform
  {
      Uniform(GLenum type, GLenum precision, const std::string &name, unsigned int arraySize, const int blockIndex, const sh::BlockMemberInfo &blockInfo);
  
      ~Uniform();
  
      bool isArray() const;
      unsigned int elementCount() const;
      bool isReferencedByVertexShader() const;
      bool isReferencedByFragmentShader() const;
      bool isInDefaultBlock() const;
      size_t dataSize() const;
  
      const GLenum type;
      const GLenum precision;
      const std::string name;
      const unsigned int arraySize;
      const int blockIndex;
      const sh::BlockMemberInfo blockInfo;
  
      unsigned char *data;
      bool dirty;
  
      unsigned int psRegisterIndex;
      unsigned int vsRegisterIndex;
      unsigned int registerCount;
  
      // Register "elements" are used for uniform structs in ES3, to appropriately identify single uniforms
      // inside aggregate types, which are packed according C-like structure rules.
      unsigned int registerElement;
  };
  
  typedef std::vector<Uniform*> UniformArray;
  
  // Helper struct representing a single shader uniform block
  struct UniformBlock
  {
      // use GL_INVALID_INDEX for non-array elements
      UniformBlock(const std::string &name, unsigned int elementIndex, unsigned int dataSize);
  
      bool isArrayElement() const;
      bool isReferencedByVertexShader() const;
      bool isReferencedByFragmentShader() const;
  
      const std::string name;
      const unsigned int elementIndex;
      const unsigned int dataSize;
  
      std::vector<unsigned int> memberUniformIndexes;
  
      unsigned int psRegisterIndex;
      unsigned int vsRegisterIndex;
  };
  
  typedef std::vector<UniformBlock*> UniformBlockArray;
  
  }
  
  #endif   // LIBGLESV2_UNIFORM_H_
  

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