OGRE: OgreVertexIndexData.h Source File - OGRE Documentation

# OgreVertexIndexData.h

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    00001 /*
    00002 -----------------------------------------------------------------------------
    00003 This source file is part of OGRE
    00004     (Object-oriented Graphics Rendering Engine)
    00005 For the latest info, see http://www.ogre3d.org/
    00006
    00007 Copyright (c) 2000-2009 Torus Knot Software Ltd
    00008
    00009 Permission is hereby granted, free of charge, to any person obtaining a copy
    00010 of this software and associated documentation files (the "Software"), to deal
    00011 in the Software without restriction, including without limitation the rights
    00012 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    00013 copies of the Software, and to permit persons to whom the Software is
    00014 furnished to do so, subject to the following conditions:
    00015
    00016 The above copyright notice and this permission notice shall be included in
    00017 all copies or substantial portions of the Software.
    00018
    00019 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    00020 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    00021 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    00022 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    00023 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    00024 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    00025 THE SOFTWARE.
    00026 -----------------------------------------------------------------------------
    00027 */
    00028 #ifndef __VertexIndexData_H__
    00029 #define __VertexIndexData_H__
    00030
    00031 #include "OgrePrerequisites.h"
    00032 #include "OgreHardwareVertexBuffer.h"
    00033 #include "OgreHardwareIndexBuffer.h"
    00034
    00035 namespace Ogre {
    00043
    00044     typedef vector<HardwareBuffer::Usage>::type BufferUsageList;
    00045
    00046
    00048     class _OgreExport VertexData : public VertexDataAlloc
    00049     {
    00050     private:
    00052         VertexData(const VertexData& rhs); /* do nothing, should not use */
    00054         VertexData& operator=(const VertexData& rhs); /* do not use */
    00055
    00056         HardwareBufferManagerBase* mMgr;
    00057     public:
    00064         VertexData(HardwareBufferManagerBase* mgr = 0);
    00073         VertexData(VertexDeclaration* dcl, VertexBufferBinding* bind);
    00074         ~VertexData();
    00075
    00079         VertexDeclaration* vertexDeclaration;
    00083         VertexBufferBinding* vertexBufferBinding;
    00085         bool mDeleteDclBinding;
    00087         size_t vertexStart;
    00089         size_t vertexCount;
    00090
    00091
    00093         struct HardwareAnimationData
    00094         {
    00095             const VertexElement* targetVertexElement;
    00096             Real parametric;
    00097         };
    00098         typedef vector<HardwareAnimationData>::type HardwareAnimationDataList;
    00100         HardwareAnimationDataList hwAnimationDataList;
    00102         size_t hwAnimDataItemsUsed;
    00103
    00109         VertexData* clone(bool copyData = true, HardwareBufferManagerBase* mgr = 0) const;
    00110
    00130         void prepareForShadowVolume(void);
    00131
    00145         HardwareVertexBufferSharedPtr hardwareShadowVolWBuffer;
    00146
    00147
    00166         void reorganiseBuffers(VertexDeclaration* newDeclaration, const BufferUsageList& bufferUsage,
    00167             HardwareBufferManagerBase* mgr = 0);
    00168
    00186         void reorganiseBuffers(VertexDeclaration* newDeclaration, HardwareBufferManagerBase* mgr = 0);
    00187
    00197         void closeGapsInBindings(void);
    00198
    00207         void removeUnusedBuffers(void);
    00208
    00216         void convertPackedColour(VertexElementType srcType, VertexElementType destType);
    00217
    00218
    00232         void allocateHardwareAnimationElements(ushort count);
    00233
    00234
    00235
    00236     };
    00237
    00239     class _OgreExport IndexData : public IndexDataAlloc
    00240     {
    00241     protected:
    00243         IndexData(const IndexData& rhs); /* do nothing, should not use */
    00245         IndexData& operator=(const IndexData& rhs); /* do not use */
    00246     public:
    00247         IndexData();
    00248         ~IndexData();
    00250         HardwareIndexBufferSharedPtr indexBuffer;
    00251
    00253         size_t indexStart;
    00254
    00256         size_t indexCount;
    00257
    00263         IndexData* clone(bool copyData = true, HardwareBufferManagerBase* mgr = 0) const;
    00264
    00273         void optimiseVertexCacheTriList(void);
    00274
    00275     };
    00276
    00282     class _OgreExport VertexCacheProfiler : public BufferAlloc
    00283     {
    00284         public:
    00285             enum CacheType {
    00286                 FIFO, LRU
    00287             };
    00288
    00289             VertexCacheProfiler(unsigned int cachesize = 16, CacheType cachetype = FIFO )
    00290                 : size ( cachesize ), type ( cachetype ), tail (0), buffersize (0), hit (0), miss (0)
    00291             {
    00292                 cache = OGRE_ALLOC_T(uint32, size, MEMCATEGORY_GEOMETRY);
    00293             }
    00294
    00295             ~VertexCacheProfiler()
    00296             {
    00297                 OGRE_FREE(cache, MEMCATEGORY_GEOMETRY);
    00298             }
    00299
    00300             void profile(const HardwareIndexBufferSharedPtr& indexBuffer);
    00301             void reset() { hit = 0; miss = 0; tail = 0; buffersize = 0; }
    00302             void flush() { tail = 0; buffersize = 0; }
    00303
    00304             unsigned int getHits() { return hit; }
    00305             unsigned int getMisses() { return miss; }
    00306             unsigned int getSize() { return size; }
    00307         private:
    00308             unsigned int size;
    00309             uint32 *cache;
    00310             CacheType type;
    00311
    00312             unsigned int tail, buffersize;
    00313             unsigned int hit, miss;
    00314
    00315             bool inCache(unsigned int index);
    00316     };
    00319 }
    00320 #endif
    00321

Copyright © 2008 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Wed Nov 3 2010 19:24:52