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71 lines
2.3 KiB
71 lines
2.3 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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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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