72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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_GPU_VIDEO_IMAGE_H
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#define GFX_GPU_VIDEO_IMAGE_H
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#include "mozilla/RefPtr.h"
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#include "ImageContainer.h"
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#include "mozilla/layers/GPUVideoTextureClient.h"
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#include "mozilla/layers/CompositableClient.h"
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#include "mozilla/layers/ImageBridgeChild.h"
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namespace mozilla {
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namespace dom {
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class VideoDecoderManagerChild;
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}
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namespace layers {
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// Image class that refers to a decoded video frame within
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// the GPU process.
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class GPUVideoImage final : public Image {
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public:
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GPUVideoImage(dom::VideoDecoderManagerChild* aManager,
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const SurfaceDescriptorGPUVideo& aSD,
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const gfx::IntSize& aSize)
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: Image(nullptr, ImageFormat::GPU_VIDEO)
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, mSize(aSize)
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{
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// Create the TextureClient immediately since the GPUVideoTextureData
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// is responsible for deallocating the SurfaceDescriptor.
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//
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// Use the RECYCLE texture flag, since it's likely that our 'real'
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// TextureData (in the decoder thread of the GPU process) is using
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// it too, and we want to make sure we don't send the delete message
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// until we've stopped being used on the compositor.
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mTextureClient =
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TextureClient::CreateWithData(new GPUVideoTextureData(aManager, aSD, aSize),
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TextureFlags::RECYCLE,
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ImageBridgeChild::GetSingleton().get());
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}
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~GPUVideoImage() override {}
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gfx::IntSize GetSize() override { return mSize; }
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virtual already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override
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{
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if (!mTextureClient) {
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return nullptr;
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}
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GPUVideoTextureData* data = mTextureClient->GetInternalData()->AsGPUVideoTextureData();
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return data->GetAsSourceSurface();
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}
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virtual TextureClient* GetTextureClient(KnowsCompositor* aForwarder) override
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{
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MOZ_ASSERT(aForwarder == ImageBridgeChild::GetSingleton(), "Must only use GPUVideo on ImageBridge");
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return mTextureClient;
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}
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private:
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gfx::IntSize mSize;
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RefPtr<TextureClient> mTextureClient;
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};
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} // namepace layers
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} // namespace mozilla
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#endif // GFX_GPU_VIDEO_IMAGE_H
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