зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
1.8 KiB
C
66 строки
1.8 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 MOZILLA_IMAGE_WEBRENDERIMAGEPROVIDER_H_
|
||
|
|
#define MOZILLA_IMAGE_WEBRENDERIMAGEPROVIDER_H_
|
||
|
|
|
||
|
|
#include "nsISupportsImpl.h"
|
||
|
|
|
||
|
|
namespace mozilla {
|
||
|
|
namespace layers {
|
||
|
|
class RenderRootStateManager;
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace wr {
|
||
|
|
class IpcResourceUpdateQueue;
|
||
|
|
struct ExternalImageId;
|
||
|
|
struct ImageKey;
|
||
|
|
} // namespace wr
|
||
|
|
|
||
|
|
namespace image {
|
||
|
|
|
||
|
|
class ImageResource;
|
||
|
|
using ImageProviderId = uint32_t;
|
||
|
|
|
||
|
|
class WebRenderImageProvider {
|
||
|
|
public:
|
||
|
|
// Subclasses may or may not be XPCOM classes, so we just require that they
|
||
|
|
// implement AddRef and Release.
|
||
|
|
NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
|
||
|
|
|
||
|
|
ImageProviderId GetProviderId() const { return mProviderId; }
|
||
|
|
|
||
|
|
static ImageProviderId AllocateProviderId();
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Generate an ImageKey for the given frame.
|
||
|
|
* @param aSurface The current frame. This should match what was cached via
|
||
|
|
* SetCurrentFrame, but if it does not, it will need to
|
||
|
|
* regenerate the cached ImageKey.
|
||
|
|
*/
|
||
|
|
virtual nsresult UpdateKey(layers::RenderRootStateManager* aManager,
|
||
|
|
wr::IpcResourceUpdateQueue& aResources,
|
||
|
|
wr::ImageKey& aKey) {
|
||
|
|
return NS_ERROR_NOT_AVAILABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Invalidate if a blob recording, requiring it to be regenerated.
|
||
|
|
*/
|
||
|
|
virtual void InvalidateRecording() {}
|
||
|
|
|
||
|
|
protected:
|
||
|
|
WebRenderImageProvider(const ImageResource* aImage);
|
||
|
|
|
||
|
|
private:
|
||
|
|
ImageProviderId mProviderId;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace image
|
||
|
|
} // namespace mozilla
|
||
|
|
|
||
|
|
#endif /* MOZILLA_IMAGE_WEBRENDERIMAGEPROVIDER_H_ */
|