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

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• Hash : 7acae0a1
  Author :
  Date : 2014-09-24T17:10:51
  

  Add a centralized workarounds module.
  
  This is a temporary home for the various workarounds we use
  for performance or to solve driver issues. Eventually we will
  want a standalone library we can use as part of Chromium or
  in ANGLE standalone.
  
  Re-land with member variable initialized.
  
  BUG=angle:729
  
  Change-Id: If7f8f9596a39b2855366d9a67caebf6dd4197b55
  Reviewed-on: https://chromium-review.googlesource.com/219868
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libGLESv2/angletypes.h

• //
  // Copyright (c) 2012-2013 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.
  //
  
  // angletypes.h : Defines a variety of structures and enum types that are used throughout libGLESv2
  
  #ifndef LIBGLESV2_ANGLETYPES_H_
  #define LIBGLESV2_ANGLETYPES_H_
  
  #include "libGLESv2/constants.h"
  #include "common/RefCountObject.h"
  
  namespace gl
  {
  class Buffer;
  class ProgramBinary;
  struct VertexAttribute;
  struct VertexAttribCurrentValueData;
  
  enum SamplerType
  {
      SAMPLER_PIXEL,
      SAMPLER_VERTEX
  };
  
  template <typename T>
  struct Color
  {
      T red;
      T green;
      T blue;
      T alpha;
  
      Color() : red(0), green(0), blue(0), alpha(0) { }
      Color(T r, T g, T b, T a) : red(r), green(g), blue(b), alpha(a) { }
  };
  
  typedef Color<float> ColorF;
  typedef Color<int> ColorI;
  typedef Color<unsigned int> ColorUI;
  
  struct Rectangle
  {
      int x;
      int y;
      int width;
      int height;
  
      Rectangle() : x(0), y(0), width(0), height(0) { }
      Rectangle(int x_in, int y_in, int width_in, int height_in) : x(x_in), y(y_in), width(width_in), height(height_in) { }
  };
  
  bool ClipRectangle(const Rectangle &source, const Rectangle &clip, Rectangle *intersection);
  
  struct Box
  {
      int x;
      int y;
      int z;
      int width;
      int height;
      int depth;
  
      Box() : x(0), y(0), z(0), width(0), height(0), depth(0) { }
      Box(int x_in, int y_in, int z_in, int width_in, int height_in, int depth_in) : x(x_in), y(y_in), z(z_in), width(width_in), height(height_in), depth(depth_in) { }
  };
  
  struct Extents
  {
      int width;
      int height;
      int depth;
  
      Extents() : width(0), height(0), depth(0) { }
      Extents(int width_, int height_, int depth_) : width(width_), height(height_), depth(depth_) { }
  };
  
  struct RasterizerState
  {
      bool cullFace;
      GLenum cullMode;
      GLenum frontFace;
  
      bool polygonOffsetFill;
      GLfloat polygonOffsetFactor;
      GLfloat polygonOffsetUnits;
  
      bool pointDrawMode;
      bool multiSample;
  
      bool rasterizerDiscard;
  };
  
  struct BlendState
  {
      bool blend;
      GLenum sourceBlendRGB;
      GLenum destBlendRGB;
      GLenum sourceBlendAlpha;
      GLenum destBlendAlpha;
      GLenum blendEquationRGB;
      GLenum blendEquationAlpha;
  
      bool colorMaskRed;
      bool colorMaskGreen;
      bool colorMaskBlue;
      bool colorMaskAlpha;
  
      bool sampleAlphaToCoverage;
  
      bool dither;
  };
  
  struct DepthStencilState
  {
      bool depthTest;
      GLenum depthFunc;
      bool depthMask;
  
      bool stencilTest;
      GLenum stencilFunc;
      GLuint stencilMask;
      GLenum stencilFail;
      GLenum stencilPassDepthFail;
      GLenum stencilPassDepthPass;
      GLuint stencilWritemask;
      GLenum stencilBackFunc;
      GLuint stencilBackMask;
      GLenum stencilBackFail;
      GLenum stencilBackPassDepthFail;
      GLenum stencilBackPassDepthPass;
      GLuint stencilBackWritemask;
  };
  
  struct SamplerState
  {
      SamplerState();
  
      GLenum minFilter;
      GLenum magFilter;
      GLenum wrapS;
      GLenum wrapT;
      GLenum wrapR;
      float maxAnisotropy;
  
      GLint baseLevel;
      GLint maxLevel;
      GLfloat minLod;
      GLfloat maxLod;
  
      GLenum compareMode;
      GLenum compareFunc;
  
      GLenum swizzleRed;
      GLenum swizzleGreen;
      GLenum swizzleBlue;
      GLenum swizzleAlpha;
  
      bool swizzleRequired() const;
  };
  
  struct ClearParameters
  {
      bool clearColor[gl::IMPLEMENTATION_MAX_DRAW_BUFFERS];
      ColorF colorFClearValue;
      ColorI colorIClearValue;
      ColorUI colorUIClearValue;
      GLenum colorClearType;
      bool colorMaskRed;
      bool colorMaskGreen;
      bool colorMaskBlue;
      bool colorMaskAlpha;
  
      bool clearDepth;
      float depthClearValue;
  
      bool clearStencil;
      GLint stencilClearValue;
      GLuint stencilWriteMask;
  
      bool scissorEnabled;
      Rectangle scissor;
  };
  
  struct PixelUnpackState
  {
      BindingPointer<Buffer> pixelBuffer;
      GLint alignment;
  
      PixelUnpackState()
          : alignment(4)
      {}
  
      explicit PixelUnpackState(GLint alignmentIn)
          : alignment(alignmentIn)
      {}
  };
  
  struct PixelPackState
  {
      BindingPointer<Buffer> pixelBuffer;
      GLint alignment;
      bool reverseRowOrder;
  
      PixelPackState()
          : alignment(4),
            reverseRowOrder(false)
      {}
  
      explicit PixelPackState(GLint alignmentIn, bool reverseRowOrderIn)
          : alignment(alignmentIn),
            reverseRowOrder(reverseRowOrderIn)
      {}
  };
  
  struct VertexFormat
  {
      GLenum      mType;
      GLboolean   mNormalized;
      GLuint      mComponents;
      bool        mPureInteger;
  
      VertexFormat();
      VertexFormat(GLenum type, GLboolean normalized, GLuint components, bool pureInteger);
      explicit VertexFormat(const VertexAttribute &attribute);
      VertexFormat(const VertexAttribute &attribute, GLenum currentValueType);
  
      static void GetInputLayout(VertexFormat *inputLayout,
                                 ProgramBinary *programBinary,
                                 const VertexAttribute *attributes,
                                 const gl::VertexAttribCurrentValueData *currentValues);
  
      bool operator==(const VertexFormat &other) const;
      bool operator!=(const VertexFormat &other) const;
      bool operator<(const VertexFormat& other) const;
  };
  
  }
  
  namespace rx
  {
  
  enum VertexConversionType
  {
      VERTEX_CONVERT_NONE = 0,
      VERTEX_CONVERT_CPU  = 1,
      VERTEX_CONVERT_GPU  = 2,
      VERTEX_CONVERT_BOTH = 3
  };
  
  }
  
  #endif // LIBGLESV2_ANGLETYPES_H_
  

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