kc3-lang/angle/src/libANGLE/Config.h

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• Author : Geoff Lang
  Date : 2014-12-03 14:46:48
  Hash : 9d9132df
  Message : Remove support for compiling libANGLE as a dynamic library. BUG=angle:733 Change-Id: Iacef45b89f234091eb5df505437adabece1e564b Reviewed-on: https://chromium-review.googlesource.com/232961 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org> Tested-by: Geoff Lang <geofflang@chromium.org>

• src/libANGLE/Config.h

• //
  // Copyright (c) 2002-2010 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.
  //
  
  // Config.h: Defines the egl::Config class, describing the format, type
  // and size for an egl::Surface. Implements EGLConfig and related functionality.
  // [EGL 1.4] section 3.4 page 15.
  
  #ifndef INCLUDE_CONFIG_H_
  #define INCLUDE_CONFIG_H_
  
  #include "libANGLE/renderer/Renderer.h"
  
  #include "common/angleutils.h"
  
  #include <EGL/egl.h>
  
  #include <set>
  
  namespace egl
  {
  class Display;
  
  class Config
  {
    public:
      Config(rx::ConfigDesc desc, EGLint minSwapInterval, EGLint maxSwapInterval, EGLint texWidth, EGLint texHeight);
  
      EGLConfig getHandle() const;
  
      const GLenum mRenderTargetFormat;
      const GLenum mDepthStencilFormat;
      const GLint mMultiSample;
  
      EGLint mBufferSize;              // Depth of the color buffer
      EGLint mRedSize;                 // Bits of Red in the color buffer
      EGLint mGreenSize;               // Bits of Green in the color buffer
      EGLint mBlueSize;                // Bits of Blue in the color buffer
      EGLint mLuminanceSize;           // Bits of Luminance in the color buffer
      EGLint mAlphaSize;               // Bits of Alpha in the color buffer
      EGLint mAlphaMaskSize;           // Bits of Alpha Mask in the mask buffer
      EGLBoolean mBindToTextureRGB;    // True if bindable to RGB textures.
      EGLBoolean mBindToTextureRGBA;   // True if bindable to RGBA textures.
      EGLenum mColorBufferType;        // Color buffer type
      EGLenum mConfigCaveat;           // Any caveats for the configuration
      EGLint mConfigID;                // Unique EGLConfig identifier
      EGLint mConformant;              // Whether contexts created with this config are conformant
      EGLint mDepthSize;               // Bits of Z in the depth buffer
      EGLint mLevel;                   // Frame buffer level
      EGLBoolean mMatchNativePixmap;   // Match the native pixmap format
      EGLint mMaxPBufferWidth;         // Maximum width of pbuffer
      EGLint mMaxPBufferHeight;        // Maximum height of pbuffer
      EGLint mMaxPBufferPixels;        // Maximum size of pbuffer
      EGLint mMaxSwapInterval;         // Maximum swap interval
      EGLint mMinSwapInterval;         // Minimum swap interval
      EGLBoolean mNativeRenderable;    // EGL_TRUE if native rendering APIs can render to surface
      EGLint mNativeVisualID;          // Handle of corresponding native visual
      EGLint mNativeVisualType;        // Native visual type of the associated visual
      EGLint mRenderableType;          // Which client rendering APIs are supported.
      EGLint mSampleBuffers;           // Number of multisample buffers
      EGLint mSamples;                 // Number of samples per pixel
      EGLint mStencilSize;             // Bits of Stencil in the stencil buffer
      EGLint mSurfaceType;             // Which types of EGL surfaces are supported.
      EGLenum mTransparentType;        // Type of transparency supported
      EGLint mTransparentRedValue;     // Transparent red value
      EGLint mTransparentGreenValue;   // Transparent green value
      EGLint mTransparentBlueValue;    // Transparent blue value
  };
  
  // Function object used by STL sorting routines for ordering Configs according to [EGL] section 3.4.1 page 24.
  class SortConfig
  {
    public:
      explicit SortConfig(const EGLint *attribList);
  
      bool operator()(const Config *x, const Config *y) const;
      bool operator()(const Config &x, const Config &y) const;
  
    private:
      void scanForWantedComponents(const EGLint *attribList);
      EGLint wantedComponentsSize(const Config &config) const;
  
      bool mWantRed;
      bool mWantGreen;
      bool mWantBlue;
      bool mWantAlpha;
      bool mWantLuminance;
  };
  
  class ConfigSet
  {
      friend Display;
  
    public:
      ConfigSet();
  
      void add(rx::ConfigDesc desc, EGLint minSwapInterval, EGLint maxSwapInterval, EGLint texWidth, EGLint texHeight);
      size_t size() const;
      bool getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig);
      const egl::Config *get(EGLConfig configHandle);
  
    private:
      DISALLOW_COPY_AND_ASSIGN(ConfigSet);
  
      typedef std::set<Config, SortConfig> Set;
      typedef Set::iterator Iterator;
      Set mSet;
  
      static const EGLint mSortAttribs[];
  };
  }
  
  #endif   // INCLUDE_CONFIG_H_