gfx/webrender_bindings/RenderAndroidHardwareBufferTextureHost.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef MOZILLA_GFX_RenderAndroidHardwareBufferTextureHost_H
   8 #define MOZILLA_GFX_RenderAndroidHardwareBufferTextureHost_H
   9
  10 #include "GLTypes.h"
  11 #include "RenderTextureHost.h"
  12
  13 namespace mozilla {
  14
  15 namespace layers {
  16 class AndroidHardwareBuffer;
  17 }
  18
  19 namespace wr {
  20
  21 class RenderAndroidHardwareBufferTextureHost final : public RenderTextureHost {
  22  public:
  23   explicit RenderAndroidHardwareBufferTextureHost(
  24       layers::AndroidHardwareBuffer* aAndroidHardwareBuffer);
  25
  26   wr::WrExternalImage Lock(uint8_t aChannelIndex, gl::GLContext* aGL,
  27                            wr::ImageRendering aRendering) override;
  28   void Unlock() override;
  29
  30   size_t Bytes() override;
  31
  32  private:
  33   virtual ~RenderAndroidHardwareBufferTextureHost();
  34   bool EnsureLockable(wr::ImageRendering aRendering);
  35   void DestroyEGLImage();
  36   void DeleteTextureHandle();
  37   gfx::IntSize GetSize() const;
  38
  39   const RefPtr<layers::AndroidHardwareBuffer> mAndroidHardwareBuffer;
  40   EGLImage mEGLImage;
  41
  42   RefPtr<gl::GLContext> mGL;
  43   GLuint mTextureHandle;
  44 };
  45
  46 }  // namespace wr
  47 }  // namespace mozilla
  48
  49 #endif  // MOZILLA_GFX_RenderAndroidHardwareBufferTextureHost_H