gfx/gl/SharedSurfaceANGLE.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_ANGLE_H_
   7 #define SHARED_SURFACE_ANGLE_H_
   8
   9 #include <windows.h>
  10 #include <memory>
  11 #include "SharedSurface.h"
  12
  13 struct IDXGIKeyedMutex;
  14 struct ID3D11Texture2D;
  15
  16 namespace mozilla {
  17 namespace gl {
  18
  19 class GLContext;
  20 class EglDisplay;
  21
  22 class SharedSurface_ANGLEShareHandle final : public SharedSurface {
  23  public:
  24   const std::weak_ptr<EglDisplay> mEGL;
  25   const EGLSurface mPBuffer;
  26   const HANDLE mShareHandle;
  27   const RefPtr<IDXGIKeyedMutex> mKeyedMutex;
  28
  29   static UniquePtr<SharedSurface_ANGLEShareHandle> Create(
  30       const SharedSurfaceDesc&);
  31
  32  private:
  33   SharedSurface_ANGLEShareHandle(const SharedSurfaceDesc&,
  34                                  const std::weak_ptr<EglDisplay>& egl,
  35                                  EGLSurface pbuffer, HANDLE shareHandle,
  36                                  const RefPtr<IDXGIKeyedMutex>& keyedMutex);
  37
  38  public:
  39   virtual ~SharedSurface_ANGLEShareHandle();
  40
  41   virtual void LockProdImpl() override;
  42   virtual void UnlockProdImpl() override;
  43
  44   virtual void ProducerAcquireImpl() override;
  45   virtual void ProducerReleaseImpl() override;
  46   virtual void ProducerReadAcquireImpl() override;
  47   virtual void ProducerReadReleaseImpl() override;
  48
  49   Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
  50 };
  51
  52 class SurfaceFactory_ANGLEShareHandle final : public SurfaceFactory {
  53  public:
  54   static UniquePtr<SurfaceFactory_ANGLEShareHandle> Create(GLContext& gl);
  55
  56  private:
  57   explicit SurfaceFactory_ANGLEShareHandle(const PartialSharedSurfaceDesc& desc)
  58       : SurfaceFactory(desc) {}
  59
  60   virtual UniquePtr<SharedSurface> CreateSharedImpl(
  61       const SharedSurfaceDesc& desc) override {
  62     return SharedSurface_ANGLEShareHandle::Create(desc);
  63   }
  64 };
  65
  66 }  // namespace gl
  67 } /* namespace mozilla */
  68
  69 #endif /* SHARED_SURFACE_ANGLE_H_ */