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) 2000-2012 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             unsigned short targetBufferIndex;
    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
    00234         ushort allocateHardwareAnimationElements(ushort count, bool animateNormals);
    00235
    00236
    00237
    00238     };
    00239
    00241     class _OgreExport IndexData : public IndexDataAlloc
    00242     {
    00243     protected:
    00245         IndexData(const IndexData& rhs); /* do nothing, should not use */
    00247         IndexData& operator=(const IndexData& rhs); /* do not use */
    00248     public:
    00249         IndexData();
    00250         ~IndexData();
    00252         HardwareIndexBufferSharedPtr indexBuffer;
    00253
    00255         size_t indexStart;
    00256
    00258         size_t indexCount;
    00259
    00265         IndexData* clone(bool copyData = true, HardwareBufferManagerBase* mgr = 0) const;
    00266
    00275         void optimiseVertexCacheTriList(void);
    00276
    00277     };
    00278
    00284     class _OgreExport VertexCacheProfiler : public BufferAlloc
    00285     {
    00286         public:
    00287             enum CacheType {
    00288                 FIFO, LRU
    00289             };
    00290
    00291             VertexCacheProfiler(unsigned int cachesize = 16, CacheType cachetype = FIFO )
    00292                 : size ( cachesize ), type ( cachetype ), tail (0), buffersize (0), hit (0), miss (0)
    00293             {
    00294                 cache = OGRE_ALLOC_T(uint32, size, MEMCATEGORY_GEOMETRY);
    00295             }
    00296
    00297             ~VertexCacheProfiler()
    00298             {
    00299                 OGRE_FREE(cache, MEMCATEGORY_GEOMETRY);
    00300             }
    00301
    00302             void profile(const HardwareIndexBufferSharedPtr& indexBuffer);
    00303             void reset() { hit = 0; miss = 0; tail = 0; buffersize = 0; }
    00304             void flush() { tail = 0; buffersize = 0; }
    00305
    00306             unsigned int getHits() { return hit; }
    00307             unsigned int getMisses() { return miss; }
    00308             unsigned int getSize() { return size; }
    00309         private:
    00310             unsigned int size;
    00311             uint32 *cache;
    00312             CacheType type;
    00313
    00314             unsigned int tail, buffersize;
    00315             unsigned int hit, miss;
    00316
    00317             bool inCache(unsigned int index);
    00318     };
    00321 }
    00322 #endif
    00323

Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:24