os/graphics/graphicscomposition/openwfcompositionengine/adaptation/include/owfdisplaycontext.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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/* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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 * 
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and/or associated documentation files (the
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 * "Materials"), to deal in the Materials without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sublicense, and/or sell copies of the Materials, and to
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 * permit persons to whom the Materials are furnished to do so, subject to
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 * the following conditions:
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 * 
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Materials.
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 * 
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 * THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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 */
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#ifndef OWFDISPLAYCONTEXT_H
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#define OWFDISPLAYCONTEXT_H
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#include <e32base.h>
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#include <e32cmn.h>
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#include <dispchannel.h>
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#include "owfmemory.h"
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#include "owfscreen.h"
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#include "owfdisplaycontextgeneral.h"
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#include <WF\openwfc_ri_display.h>
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#define _OWF_DISPLAYCONTEXT(x)          (static_cast<OWFDisplayContext *>(x))
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struct TBufferAddress
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    {
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    RChunk  iChunk;
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    TInt    iOffset;
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    TUint8* iAddress;
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    };
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/**
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Container that allocates and destroys the chunks used by the scratch buffers.
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*/
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class COwfScratchBuffers : public CBase
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    {
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public:
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    void* Allocate(TInt aMinSize);
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    void Destroy(void* aAddress);
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    ~COwfScratchBuffers();
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private:
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    RArray <TBufferAddress> iBuffers;
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    };
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typedef struct OWFDisplayContext_
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    {
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public:
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    COpenWFC_RI_Display *iScreenContext;
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    COwfScratchBuffers iBuffers;
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    WFCint iEventServerUpdate;
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    WFCboolean iCompositionOngoing;
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    WFCint iPreviousCommit;
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    WFCint iSerialNumber;
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    OWF_SEMAPHORE iRendezvous;
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    OWFNativeStreamType fastpathStream;
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    WFCboolean fastpathChecked;
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    WFCboolean iInternalStreamAccessed;
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public:
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    virtual ~OWFDisplayContext_();
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    } OWFDisplayContext;
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#endif //OWFDISPLAYCONTEXT_H