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) 2000-2011 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
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This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sat Jan 14 2012 18:40:44