gfx/gl/SharedSurfaceAndroidHardwareBuffer.h

   1 /* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 4; -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef SHARED_SURFACE_ANDROID_HARDWARE_BUFFER_H_
   7 #define SHARED_SURFACE_ANDROID_HARDWARE_BUFFER_H_
   8
   9 #include "mozilla/Attributes.h"
  10 #include "mozilla/Mutex.h"
  11 #include "CompositorTypes.h"
  12 #include "SharedSurface.h"
  13
  14 namespace mozilla {
  15
  16 namespace layers {
  17 class AndroidHardwareBuffer;
  18 }  // namespace layers
  19
  20 namespace gl {
  21
  22 class SharedSurface_AndroidHardwareBuffer final : public SharedSurface {
  23  public:
  24   const UniquePtr<Texture> mTex;
  25   const RefPtr<layers::AndroidHardwareBuffer> mAndroidHardwareBuffer;
  26   EGLSync mSync = 0;
  27
  28   static UniquePtr<SharedSurface_AndroidHardwareBuffer> Create(
  29       const SharedSurfaceDesc&);
  30
  31  protected:
  32   SharedSurface_AndroidHardwareBuffer(
  33       const SharedSurfaceDesc&, UniquePtr<MozFramebuffer>, UniquePtr<Texture>,
  34       RefPtr<layers::AndroidHardwareBuffer> buffer);
  35
  36  public:
  37   virtual ~SharedSurface_AndroidHardwareBuffer();
  38
  39   void LockProdImpl() override {}
  40   void UnlockProdImpl() override {}
  41
  42   void ProducerAcquireImpl() override {}
  43   void ProducerReleaseImpl() override;
  44
  45   Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
  46
  47   void WaitForBufferOwnership() override;
  48 };
  49
  50 class SurfaceFactory_AndroidHardwareBuffer final : public SurfaceFactory {
  51  public:
  52   static UniquePtr<SurfaceFactory_AndroidHardwareBuffer> Create(GLContext&);
  53
  54  private:
  55   explicit SurfaceFactory_AndroidHardwareBuffer(
  56       const PartialSharedSurfaceDesc& desc)
  57       : SurfaceFactory(desc) {}
  58
  59  public:
  60   virtual UniquePtr<SharedSurface> CreateSharedImpl(
  61       const SharedSurfaceDesc& desc) override {
  62     return SharedSurface_AndroidHardwareBuffer::Create(desc);
  63   }
  64 };
  65
  66 }  // namespace gl
  67
  68 } /* namespace mozilla */
  69
  70 #endif /* SHARED_SURFACE_ANDROID_HARDWARE_BUFFER_H_ */