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57 lines
2.6 KiB
C++
57 lines
2.6 KiB
C++
/*
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* Copyright (C) 2012 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PUBLIC_PLATFORM_WEBEXTERNALTEXTURELAYERCLIENT_H_
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#define SKY_ENGINE_PUBLIC_PLATFORM_WEBEXTERNALTEXTURELAYERCLIENT_H_
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#include "sky/engine/public/platform/WebCommon.h"
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#include "sky/engine/public/platform/WebSize.h"
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namespace blink {
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class WebGraphicsContext3D;
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class WebExternalBitmap;
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struct WebExternalTextureMailbox;
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class BLINK_PLATFORM_EXPORT WebExternalTextureLayerClient {
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public:
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// Returns true and provides a mailbox if a new frame is available. If the WebExternalBitmap
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// isn't 0, then it should also be filled in with the contents of this frame.
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// Returns false if no new data is available and the old mailbox and bitmap are to be reused.
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virtual bool prepareMailbox(WebExternalTextureMailbox*, WebExternalBitmap* = 0) = 0;
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// Notifies the client when a mailbox is no longer in use by the compositor and provides
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// a sync point to wait on before the mailbox could be consumes again by the client. The
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// boolean flag indicates if the mailbox resource is treated as lost by client.
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virtual void mailboxReleased(const WebExternalTextureMailbox&, bool lostResource) = 0;
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protected:
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virtual ~WebExternalTextureLayerClient() { }
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};
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} // namespace blink
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#endif // SKY_ENGINE_PUBLIC_PLATFORM_WEBEXTERNALTEXTURELAYERCLIENT_H_
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