зеркало из https://github.com/mozilla/gecko-dev.git
108 строки
3.2 KiB
C++
108 строки
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_D311_TEXTURE_IMF_SAMPLE_IMAGE_H
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#define GFX_D311_TEXTURE_IMF_SAMPLE_IMAGE_H
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#include "ImageContainer.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/gfx/Types.h"
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#include "mozilla/layers/TextureClient.h"
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#include "mozilla/layers/TextureD3D11.h"
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#include "mozilla/ThreadSafeWeakPtr.h"
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struct ID3D11Texture2D;
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struct IMFSample;
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namespace mozilla {
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namespace gl {
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class GLBlitHelper;
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}
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namespace layers {
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class IMFSampleWrapper : public SupportsThreadSafeWeakPtr<IMFSampleWrapper> {
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public:
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MOZ_DECLARE_REFCOUNTED_TYPENAME(IMFSampleWrapper)
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static RefPtr<IMFSampleWrapper> Create(IMFSample* aVideoSample);
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virtual ~IMFSampleWrapper();
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void ClearVideoSample();
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protected:
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explicit IMFSampleWrapper(IMFSample* aVideoSample);
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RefPtr<IMFSample> mVideoSample;
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};
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class IMFSampleUsageInfo final {
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public:
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(IMFSampleUsageInfo)
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IMFSampleUsageInfo() = default;
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bool SupportsZeroCopyNV12Texture() { return mSupportsZeroCopyNV12Texture; }
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void DisableZeroCopyNV12Texture() { mSupportsZeroCopyNV12Texture = false; }
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protected:
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~IMFSampleUsageInfo() = default;
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Atomic<bool> mSupportsZeroCopyNV12Texture{true};
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};
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// Image class that wraps ID3D11Texture2D of IMFSample
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// Expected to be used in GPU process.
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class D3D11TextureIMFSampleImage final : public Image {
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public:
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D3D11TextureIMFSampleImage(IMFSample* aVideoSample, ID3D11Texture2D* aTexture,
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uint32_t aArrayIndex, const gfx::IntSize& aSize,
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const gfx::IntRect& aRect,
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gfx::ColorSpace2 aColorSpace,
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gfx::ColorRange aColorRange);
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virtual ~D3D11TextureIMFSampleImage() = default;
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void AllocateTextureClient(KnowsCompositor* aKnowsCompositor,
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RefPtr<IMFSampleUsageInfo> aUsageInfo);
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gfx::IntSize GetSize() const override;
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already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
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TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
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gfx::IntRect GetPictureRect() const override { return mPictureRect; }
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ID3D11Texture2D* GetTexture() const;
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RefPtr<IMFSampleWrapper> GetIMFSampleWrapper();
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gfx::ColorRange GetColorRange() const { return mColorRange; }
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private:
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friend class gl::GLBlitHelper;
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D3D11TextureData* GetData() const {
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if (!mTextureClient) {
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return nullptr;
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}
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return mTextureClient->GetInternalData()->AsD3D11TextureData();
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}
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// When ref of IMFSample is held, its ID3D11Texture2D is not reused by
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// IMFTransform.
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RefPtr<IMFSampleWrapper> mVideoSample;
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RefPtr<ID3D11Texture2D> mTexture;
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public:
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const uint32_t mArrayIndex;
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const gfx::IntSize mSize;
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const gfx::IntRect mPictureRect;
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const gfx::ColorSpace2 mColorSpace;
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const gfx::ColorRange mColorRange;
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private:
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RefPtr<TextureClient> mTextureClient;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // GFX_D311_TEXTURE_IMF_SAMPLE_IMAGE_H
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