gecko-dev/gfx/layers/ShareableCanvasRenderer.h

63 строки
1.5 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_SHAREABLECANVASRENDERER_H
#define GFX_SHAREABLECANVASRENDERER_H
#include "CompositorTypes.h"
#include "CopyableCanvasRenderer.h"
#include "mozilla/layers/CanvasClient.h"
namespace mozilla {
namespace gl {
class SurfaceFactory;
} // namespace gl
namespace layers {
class ShareableCanvasRenderer : public CopyableCanvasRenderer
{
typedef CanvasClient::CanvasClientType CanvasClientType;
public:
ShareableCanvasRenderer();
virtual ~ShareableCanvasRenderer();
public:
void Initialize(const CanvasInitializeData& aData) override;
virtual CompositableForwarder* GetForwarder() = 0;
virtual bool CreateCompositable() = 0;
void ClearCachedResources() override;
void Destroy() override;
void UpdateCompositableClient();
const TextureFlags& Flags() const { return mFlags; }
CanvasClient* GetCanvasClient() { return mCanvasClient; }
protected:
bool UpdateTarget(gfx::DrawTarget* aDestTarget);
CanvasClientType GetCanvasClientType();
RefPtr<CanvasClient> mCanvasClient;
UniquePtr<gl::SurfaceFactory> mFactory;
TextureFlags mFlags;
friend class CanvasClient2D;
friend class CanvasClientSharedSurface;
};
} // namespace layers
} // namespace mozilla
#endif