gfx/gl/SharedSurfaceD3D11Interop.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_D3D11_INTEROP_H_
   7 #define SHARED_SURFACE_D3D11_INTEROP_H_
   8
   9 #include <d3d11.h>
  10 #include <windows.h>
  11 #include "SharedSurface.h"
  12
  13 namespace mozilla {
  14 namespace gl {
  15
  16 class DXInterop2Device;
  17 class GLContext;
  18 class WGLLibrary;
  19
  20 class SharedSurface_D3D11Interop final : public SharedSurface {
  21  public:
  22   struct Data final {
  23     const RefPtr<DXInterop2Device> interop;
  24     HANDLE lockHandle;
  25     RefPtr<ID3D11Texture2D> texD3D;
  26     HANDLE dxgiHandle;
  27     UniquePtr<Renderbuffer> interopRb;
  28     UniquePtr<MozFramebuffer> interopFbIfNeedsIndirect;
  29   };
  30   const Data mData;
  31   const bool mNeedsFinish;
  32
  33  private:
  34   bool mLockedForGL = false;
  35
  36  public:
  37   static UniquePtr<SharedSurface_D3D11Interop> Create(const SharedSurfaceDesc&,
  38                                                       DXInterop2Device*);
  39
  40  private:
  41   SharedSurface_D3D11Interop(const SharedSurfaceDesc&,
  42                              UniquePtr<MozFramebuffer>&& fbForDrawing, Data&&);
  43
  44  public:
  45   virtual ~SharedSurface_D3D11Interop();
  46
  47   void LockProdImpl() override {}
  48   void UnlockProdImpl() override {}
  49
  50   void ProducerAcquireImpl() override;
  51   void ProducerReleaseImpl() override;
  52
  53   Maybe<layers::SurfaceDescriptor> ToSurfaceDescriptor() override;
  54 };
  55
  56 class SurfaceFactory_D3D11Interop : public SurfaceFactory {
  57  public:
  58   const RefPtr<DXInterop2Device> mInterop;
  59
  60   static UniquePtr<SurfaceFactory_D3D11Interop> Create(GLContext& gl);
  61
  62  protected:
  63   SurfaceFactory_D3D11Interop(const PartialSharedSurfaceDesc&,
  64                               DXInterop2Device* interop);
  65
  66  public:
  67   virtual ~SurfaceFactory_D3D11Interop();
  68
  69  protected:
  70   UniquePtr<SharedSurface> CreateSharedImpl(
  71       const SharedSurfaceDesc& desc) override {
  72     return SharedSurface_D3D11Interop::Create(desc, mInterop);
  73   }
  74 };
  75
  76 } /* namespace gl */
  77 } /* namespace mozilla */
  78
  79 #endif /* SHARED_SURFACE_D3D11_INTEROP_H_ */