gecko-dev/gfx/layers/ShareableCanvasLayer.h

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/* -*- Mode: C++; tab-width: 2; 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_SHAREABLECANVASLAYER_H
#define GFX_SHAREABLECANVASLAYER_H
#include "CompositorTypes.h"
#include "CopyableCanvasLayer.h"
#include "mozilla/layers/CanvasClient.h"
namespace mozilla {
namespace gl {
class SurfaceFactory;
} // namespace gl
namespace layers {
class ShareableCanvasLayer : public CopyableCanvasLayer
{
typedef CanvasClient::CanvasClientType CanvasClientType;
public:
ShareableCanvasLayer(LayerManager* aLayerManager, void *aImplData);
protected:
virtual ~ShareableCanvasLayer();
public:
virtual void Initialize(const Data& aData) override;
virtual CompositableForwarder* GetForwarder() = 0;
virtual void AttachCompositable() = 0;
void UpdateCompositableClient();
const TextureFlags& Flags() const { return mFlags; }
protected:
bool UpdateTarget(gfx::DrawTarget* aDestTarget = nullptr);
CanvasClientType GetCanvasClientType();
RefPtr<CanvasClient> mCanvasClient;
UniquePtr<gl::SurfaceFactory> mFactory;
TextureFlags mFlags;
friend class CanvasClient2D;
friend class CanvasClientSharedSurface;
};
} // namespace layers
} // namespace mozilla
#endif