Line data    Source code

       1             : /* This Source Code Form is subject to the terms of the Mozilla Public
       2             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       3             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       4             : 
       5             : #ifndef EGLUTILS_H_
       6             : #define EGLUTILS_H_
       7             : 
       8             : #include "GLContextTypes.h"
       9             : #include "GLTypes.h"
      10             : #include "mozilla/Assertions.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace gl {
      14             : 
      15             : class GLLibraryEGL;
      16             : 
      17             : bool DoesEGLContextSupportSharingWithEGLImage(GLContext* gl);
      18             : EGLImage CreateEGLImage(GLContext* gl, GLuint tex);
      19             : 
      20             : ////////////////////////////////////////////////////////////////////////
      21             : // EGLImageWrapper
      22             : 
      23             : class EGLImageWrapper
      24             : {
      25             : public:
      26             :     static EGLImageWrapper* Create(GLContext* gl, GLuint tex);
      27             : 
      28             : private:
      29             :     GLLibraryEGL& mLibrary;
      30             :     const EGLDisplay mDisplay;
      31             : public:
      32             :     const EGLImage mImage;
      33             : private:
      34             :     EGLSync mSync;
      35             : 
      36           0 :     EGLImageWrapper(GLLibraryEGL& library,
      37             :                     EGLDisplay display,
      38             :                     EGLImage image)
      39           0 :         : mLibrary(library)
      40             :         , mDisplay(display)
      41             :         , mImage(image)
      42           0 :         , mSync(0)
      43             :     {
      44           0 :         MOZ_ASSERT(mImage);
      45           0 :     }
      46             : 
      47             : public:
      48             :     ~EGLImageWrapper();
      49             : 
      50             :     // Insert a sync point on the given context, which should be the current active
      51             :     // context.
      52             :     bool FenceSync(GLContext* gl);
      53             : 
      54             :     bool ClientWaitSync();
      55             : };
      56             : 
      57             : } // namespace gl
      58             : } // namespace mozilla
      59             : 
      60             : #endif