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

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• Hash : 834e8b77
  Author :
  Date : 2014-04-11T13:33:58
  

  Move ShaderVariables to common shared source.
  
  Also move the block layout encoding utilities to the common folder.
  The combined changes allow us to include the shader and block code
  into both libGLESv2 and the translator separately. This in turn
  fixes the Chromium component build, where we were calling internal
  translator functions directly from libGLESv2.
  
  BUG=angle:568
  
  Change-Id: Ibcfa2c936a7c737ad515c10bd24061ff39ee5747
  Reviewed-on: https://chromium-review.googlesource.com/192891
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tested-by: Jamie Madill <jmadill@chromium.org>
  

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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 "common/shadervars.h"
  
  namespace gl
  {
  
  // Helper struct representing a single shader uniform
  struct LinkedUniform
  {
      LinkedUniform(GLenum type, GLenum precision, const std::string &name, unsigned int arraySize, const int blockIndex, const BlockMemberInfo &blockInfo);
  
      ~LinkedUniform();
  
      bool isArray() const;
      unsigned int elementCount() const;
      bool isReferencedByVertexShader() const;
      bool isReferencedByFragmentShader() const;
      bool isInDefaultBlock() const;
      size_t dataSize() const;
      bool isSampler() const;
  
      const GLenum type;
      const GLenum precision;
      const std::string name;
      const unsigned int arraySize;
      const int blockIndex;
      const 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;
  };
  
  // 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;
  };
  
  }
  
  #endif   // LIBGLESV2_UNIFORM_H_
  

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