kc3-lang/angle/util/EGLWindow.h

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• Author : Geoff Lang
  Date : 2016-09-19 15:11:17
  Hash : f41a7151
  Message : Add an extension to disable resource generation on bind. BUG=angleproject:1518 Change-Id: I662f7b07da5c97831496f2617b0adadf9858bdc9 Reviewed-on: https://chromium-review.googlesource.com/386799 Reviewed-by: Antoine Labour <piman@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>

• util/EGLWindow.h

• //
  // Copyright (c) 2014 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 UTIL_EGLWINDOW_H_
  #define UTIL_EGLWINDOW_H_
  
  #include <list>
  #include <memory>
  #include <stdint.h>
  #include <string>
  
  #include <export.h>
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  #include <GLES3/gl3.h>
  #include <EGL/egl.h>
  #include <EGL/eglext.h>
  
  #include "common/angleutils.h"
  
  class OSWindow;
  
  // A hidden define used in some renderers (currently D3D-only)
  // to init a no-op renderer. Useful for performance testing.
  #ifndef EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE
  #define EGL_PLATFORM_ANGLE_DEVICE_TYPE_NULL_ANGLE 0x6AC0
  #endif
  
  struct ANGLE_EXPORT EGLPlatformParameters
  {
      EGLint renderer;
      EGLint majorVersion;
      EGLint minorVersion;
      EGLint deviceType;
      EGLint presentPath;
  
      EGLPlatformParameters();
      explicit EGLPlatformParameters(EGLint renderer);
      EGLPlatformParameters(EGLint renderer, EGLint majorVersion, EGLint minorVersion, EGLint deviceType);
      EGLPlatformParameters(EGLint renderer,
                            EGLint majorVersion,
                            EGLint minorVersion,
                            EGLint deviceType,
                            EGLint presentPath);
  };
  
  ANGLE_EXPORT bool operator<(const EGLPlatformParameters &a, const EGLPlatformParameters &b);
  ANGLE_EXPORT bool operator==(const EGLPlatformParameters &a, const EGLPlatformParameters &b);
  
  class ANGLE_EXPORT EGLWindow : angle::NonCopyable
  {
    public:
      EGLWindow(EGLint glesMajorVersion,
                EGLint glesMinorVersion,
                const EGLPlatformParameters &platform);
  
      ~EGLWindow();
  
      void setConfigRedBits(int bits) { mRedBits = bits; }
      void setConfigGreenBits(int bits) { mGreenBits = bits; }
      void setConfigBlueBits(int bits) { mBlueBits = bits; }
      void setConfigAlphaBits(int bits) { mAlphaBits = bits; }
      void setConfigDepthBits(int bits) { mDepthBits = bits; }
      void setConfigStencilBits(int bits) { mStencilBits = bits; }
      void setMultisample(bool multisample) { mMultisample = multisample; }
      void setDebugEnabled(bool debug) { mDebug = debug; }
      void setNoErrorEnabled(bool noError) { mNoError = noError; }
      void setWebGLCompatibilityEnabled(bool webglCompatibility)
      {
          mWebGLCompatibility = webglCompatibility;
      }
      void setBindGeneratesResource(bool bindGeneratesResource)
      {
          mBindGeneratesResource = bindGeneratesResource;
      }
      void setSwapInterval(EGLint swapInterval) { mSwapInterval = swapInterval; }
  
      static EGLBoolean FindEGLConfig(EGLDisplay dpy, const EGLint *attrib_list, EGLConfig *config);
  
      void swap();
  
      EGLint getClientMajorVersion() const { return mClientMajorVersion; }
      EGLint getClientMinorVersion() const { return mClientMinorVersion; }
      const EGLPlatformParameters &getPlatform() const { return mPlatform; }
      EGLConfig getConfig() const;
      EGLDisplay getDisplay() const;
      EGLSurface getSurface() const;
      EGLContext getContext() const;
      int getConfigRedBits() const { return mRedBits; }
      int getConfigGreenBits() const { return mGreenBits; }
      int getConfigBlueBits() const { return mBlueBits; }
      int getConfigAlphaBits() const { return mAlphaBits; }
      int getConfigDepthBits() const { return mDepthBits; }
      int getConfigStencilBits() const { return mStencilBits; }
      bool isMultisample() const { return mMultisample; }
      bool isDebugEnabled() const { return mDebug; }
      EGLint getSwapInterval() const { return mSwapInterval; }
  
      bool initializeGL(OSWindow *osWindow);
      void destroyGL();
      bool isGLInitialized() const;
  
    private:
      EGLConfig mConfig;
      EGLDisplay mDisplay;
      EGLSurface mSurface;
      EGLContext mContext;
  
      EGLint mClientMajorVersion;
      EGLint mClientMinorVersion;
      EGLPlatformParameters mPlatform;
      int mRedBits;
      int mGreenBits;
      int mBlueBits;
      int mAlphaBits;
      int mDepthBits;
      int mStencilBits;
      bool mMultisample;
      bool mDebug;
      bool mNoError;
      bool mWebGLCompatibility;
      bool mBindGeneratesResource;
      EGLint mSwapInterval;
  };
  
  #endif // UTIL_EGLWINDOW_H_