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VideoProcessorD3D11.h (2639B)

      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_VideoProcessorD3D11_H
      8 #define MOZILLA_GFX_VideoProcessorD3D11_H
      9 
     10 #include <d3d11.h>
     11 
     12 #include "mozilla/gfx/2D.h"
     13 #include "mozilla/RefPtr.h"
     14 #include "nsISupportsImpl.h"
     15 
     16 struct ID3D11Device;
     17 struct ID3D11DeviceContext;
     18 struct ID3D11Texture2D;
     19 struct ID3D11VideoDevice;
     20 struct ID3D11VideoContext;
     21 struct ID3D11VideoContext1;
     22 struct ID3D11VideoProcessor;
     23 struct ID3D11VideoProcessorEnumerator;
     24 struct ID3D11VideoProcessorOutputView;
     25 
     26 namespace mozilla {
     27 namespace layers {
     28 
     29 class DXGITextureHostD3D11;
     30 
     31 //
     32 // A class for wrapping ID3D11VideoProcessor.
     33 //
     34 // The class can be used for converting NV12 video frame to RGB
     35 class VideoProcessorD3D11 {
     36 public:
     37  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(VideoProcessorD3D11);
     38 
     39  static RefPtr<VideoProcessorD3D11> Create(ID3D11Device* aDevice);
     40 
     41  HRESULT Init(const gfx::IntSize& aSize);
     42 
     43  struct InputTextureInfo {
     44    InputTextureInfo(gfx::ColorSpace2 aColorSpace, gfx::ColorRange aColorRange,
     45                     uint32_t aIndex, ID3D11Texture2D* aTexture)
     46        : mColorSpace(aColorSpace),
     47          mColorRange(aColorRange),
     48          mIndex(aIndex),
     49          mTexture(aTexture) {}
     50    const gfx::ColorSpace2 mColorSpace;
     51    const gfx::ColorRange mColorRange;
     52    const uint32_t mIndex;
     53    ID3D11Texture2D* mTexture;
     54  };
     55  bool CallVideoProcessorBlt(InputTextureInfo& aTextureInfo,
     56                             ID3D11Texture2D* aOutputTexture);
     57  gfx::IntSize GetSize() const { return mSize; }
     58 
     59 protected:
     60  VideoProcessorD3D11(ID3D11Device* aDevice,
     61                      ID3D11DeviceContext* aDeviceContext,
     62                      ID3D11VideoDevice* aVideoDevice,
     63                      ID3D11VideoContext* aVideoContext,
     64                      ID3D11VideoContext1* aVideoContext1);
     65  ~VideoProcessorD3D11();
     66 
     67 public:
     68  const RefPtr<ID3D11Device> mDevice;
     69  const RefPtr<ID3D11DeviceContext> mDeviceContext;
     70  const RefPtr<ID3D11VideoDevice> mVideoDevice;
     71  const RefPtr<ID3D11VideoContext> mVideoContext;
     72  const RefPtr<ID3D11VideoContext1> mVideoContext1;
     73 
     74 protected:
     75  gfx::IntSize mSize;
     76  RefPtr<ID3D11VideoProcessor> mVideoProcessor;
     77  RefPtr<ID3D11VideoProcessorEnumerator> mVideoProcessorEnumerator;
     78  bool mContentIsHDR = false;
     79 };
     80 
     81 }  // namespace layers
     82 }  // namespace mozilla
     83 
     84 #endif  // MOZILLA_GFX_VideoProcessorD3D11_H