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87 lines
3.0 KiB
87 lines
3.0 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#ifndef plAccessSnapShot_inc |
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#define plAccessSnapShot_inc |
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#include "plAccessVtxSpan.h" |
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// All functions and fields here (including constructor) are private, |
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// because the only valid user of this is the friend class plAccessGeometry. |
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// Use this only via plAccessGeometry. |
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class plAccessSnapShot : public plAccessVtxSpan |
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{ |
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public: |
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void Destroy(); // Free up and reset to zero. |
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protected: |
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UInt16 fRefCnt; |
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UInt8* fData; |
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UInt16 fChanSize[kNumValidChans]; |
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void ICopyOldData(UInt8* data, const UInt16* const oldSizes, UInt16 oldStride, UInt16 newStride); |
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UInt16 IComputeStride() const; |
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void IRecordSizes(UInt16 sizes[]) const; |
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UInt32 ICheckAlloc(const plAccessVtxSpan& src, UInt32 chanMask, UInt32 chan, UInt16 chanSize); |
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void ISetupPointers(UInt16 newStride); |
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void SetupChannels(plAccessVtxSpan& dst) const; |
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UInt32 CopyTo(const plAccessVtxSpan& dst, UInt32 chanMask); |
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UInt32 CopyFrom(const plAccessVtxSpan& src, UInt32 chanMask); |
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void Release(); // Decrements refcnt, calls Destroy on zero |
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void Clear(); // Initialize to zeros |
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void IncRef() { fRefCnt++; } |
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void DecRef() { Release(); } |
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plAccessSnapShot() : fRefCnt(0), fData(nil) { Clear(); } |
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friend class plAccessGeometry; |
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}; |
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#endif // plAccessSnapShot_inc
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