Sylvestre Ledru
8f90026828
replaced by .editorconfig # ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D287848
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/* 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 MOZILLA_IMAGE_WEBRENDERIMAGEPROVIDER_H_
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#define MOZILLA_IMAGE_WEBRENDERIMAGEPROVIDER_H_
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#include "nsISupportsImpl.h"
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namespace mozilla {
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namespace layers {
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class RenderRootStateManager;
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}
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namespace wr {
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class IpcResourceUpdateQueue;
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struct ExternalImageId;
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struct ImageKey;
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} // namespace wr
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namespace image {
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class ImageResource;
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using ImageProviderId = uint32_t;
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class WebRenderImageProvider {
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public:
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// Subclasses may or may not be XPCOM classes, so we just require that they
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// implement AddRef and Release.
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NS_INLINE_DECL_PURE_VIRTUAL_REFCOUNTING
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ImageProviderId GetProviderId() const { return mProviderId; }
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static ImageProviderId AllocateProviderId();
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/**
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* Generate an ImageKey for the given frame.
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* @param aSurface The current frame. This should match what was cached via
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* SetCurrentFrame, but if it does not, it will need to
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* regenerate the cached ImageKey.
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*/
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virtual nsresult UpdateKey(layers::RenderRootStateManager* aManager,
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wr::IpcResourceUpdateQueue& aResources,
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wr::ImageKey& aKey) {
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return NS_ERROR_NOT_AVAILABLE;
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}
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/**
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* Invalidate if a blob recording or simple surface provider (both are only
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* used by vector images), requiring it to be regenerated.
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*/
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virtual void InvalidateSurface() {}
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protected:
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WebRenderImageProvider(const ImageResource* aImage);
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private:
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ImageProviderId mProviderId;
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};
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} // namespace image
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} // namespace mozilla
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#endif /* MOZILLA_IMAGE_WEBRENDERIMAGEPROVIDER_H_ */
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