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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_GPU_VIDEO_IMAGE_H
#define GFX_GPU_VIDEO_IMAGE_H
#include "mozilla/RefPtr.h"
#include "ImageContainer.h"
#include "mozilla/layers/GPUVideoTextureClient.h"
#include "mozilla/layers/CompositableClient.h"
#include "mozilla/layers/ImageBridgeChild.h"
namespace mozilla {
namespace dom {
class VideoDecoderManagerChild;
}
namespace layers {
// Image class that refers to a decoded video frame within
// the GPU process.
class GPUVideoImage final : public Image {
public:
GPUVideoImage(dom::VideoDecoderManagerChild* aManager,
const SurfaceDescriptorGPUVideo& aSD,
const gfx::IntSize& aSize)
: Image(nullptr, ImageFormat::GPU_VIDEO)
, mSize(aSize)
{
// Create the TextureClient immediately since the GPUVideoTextureData
// is responsible for deallocating the SurfaceDescriptor.
//
// Use the RECYCLE texture flag, since it's likely that our 'real'
// TextureData (in the decoder thread of the GPU process) is using
// it too, and we want to make sure we don't send the delete message
// until we've stopped being used on the compositor.
mTextureClient =
TextureClient::CreateWithData(new GPUVideoTextureData(aManager, aSD, aSize),
TextureFlags::RECYCLE,
ImageBridgeChild::GetSingleton().get());
}
~GPUVideoImage() override {}
gfx::IntSize GetSize() override { return mSize; }
virtual already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override
{
if (!mTextureClient) {
return nullptr;
}
GPUVideoTextureData* data = mTextureClient->GetInternalData()->AsGPUVideoTextureData();
return data->GetAsSourceSurface();
}
virtual TextureClient* GetTextureClient(KnowsCompositor* aForwarder) override
{
MOZ_ASSERT(aForwarder == ImageBridgeChild::GetSingleton(), "Must only use GPUVideo on ImageBridge");
return mTextureClient;
}
private:
gfx::IntSize mSize;
RefPtr<TextureClient> mTextureClient;
};
} // namepace layers
} // namespace mozilla
#endif // GFX_GPU_VIDEO_IMAGE_H
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