kc3-lang/angle/src/common/Color.h

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• Hash : b8543630
  Author :
  Date : 2018-10-02T19:46:14
  

  Support GL_OES_texture_border_clamp
  
  Added support for GL_TEXTURE_BORDER_COLOR and GL_CLAMP_TO_BORDER in
  OpenGL/OpenGLES, Direct3D9 and Direct3D11 backends.
  For integer textures in OpenGLES3 contexts these additional entry points
  are available now:
  
  void glTexParameterIivOES(enum target, enum pname, const int *params);
  void glTexParameterIuivOES(enum target, enum pname, const uint *params);
  
  void glGetTexParameterIivOES(enum target, enum pname, int *params);
  void glGetTexParameterIuivOES(enum target, enum pname, uint *params);
  
  void glSamplerParameterIivOES(uint sampler, enum pname, const int *params);
  void glSamplerParameterIuivOES(uint sampler, enum pname, const uint *params);
  
  void glGetSamplerParameterIivOES(uint sampler, enum pname, int *params);
  void glGetSamplerParameterIuivOES(uint sampler, enum pname, uint *params);
  
  BUG=angleproject:2890
  TEST=angle_end2end_tests.TextureBorderClamp*
  
  Change-Id: Iee3eeb399d8d7851b3b30694ad8f21a2111f5828
  Reviewed-on: https://chromium-review.googlesource.com/c/1257824
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/common/Color.h

• //
  // Copyright (c) 2016 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.
  //
  
  // Color.h : Defines the Color type used throughout the ANGLE libraries
  
  #ifndef COMMON_COLOR_H_
  #define COMMON_COLOR_H_
  
  #include <cstdint>
  
  namespace angle
  {
  
  template <typename T>
  struct Color
  {
      Color();
      Color(T r, T g, T b, T a);
  
      const T *data() const { return &red; }
      T *ptr() { return &red; }
  
      static Color fromData(const T *data) { return Color(data[0], data[1], data[2], data[3]); }
      void writeData(T *data) const
      {
          data[0] = red;
          data[1] = green;
          data[2] = blue;
          data[3] = alpha;
      }
  
      T red;
      T green;
      T blue;
      T alpha;
  };
  
  template <typename T>
  bool operator==(const Color<T> &a, const Color<T> &b);
  
  template <typename T>
  bool operator!=(const Color<T> &a, const Color<T> &b);
  
  typedef Color<float> ColorF;
  typedef Color<int> ColorI;
  typedef Color<unsigned int> ColorUI;
  
  struct ColorGeneric
  {
      inline ColorGeneric();
      inline ColorGeneric(const ColorF &color);
      inline ColorGeneric(const ColorI &color);
      inline ColorGeneric(const ColorUI &color);
  
      enum class Type : uint8_t
      {
          Float = 0,
          Int   = 1,
          UInt  = 2
      };
  
      union {
          ColorF colorF;
          ColorI colorI;
          ColorUI colorUI;
      };
  
      Type type;
  };
  
  inline bool operator==(const ColorGeneric &a, const ColorGeneric &b);
  
  inline bool operator!=(const ColorGeneric &a, const ColorGeneric &b);
  
  struct DepthStencil
  {
      DepthStencil() : depth(0), stencil(0) {}
  
      // Double is needed to represent the 32-bit integer range of GL_DEPTH_COMPONENT32.
      double depth;
      uint32_t stencil;
  };
  }  // namespace angle
  
  // TODO: Move this fully into the angle namespace
  namespace gl
  {
  
  template <typename T>
  using Color        = angle::Color<T>;
  using ColorF       = angle::ColorF;
  using ColorI       = angle::ColorI;
  using ColorUI      = angle::ColorUI;
  using ColorGeneric = angle::ColorGeneric;
  
  }  // namespace gl
  
  #include "Color.inl"
  
  #endif  // COMMON_COLOR_H_
  

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