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shadervarblockalloc.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2005 by Jorrit Tyberghein 00003 (C) 2005 by Frank Richter 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_CSGFX_SHADERVARBLOCKALLOC_H__ 00021 #define __CS_CSGFX_SHADERVARBLOCKALLOC_H__ 00022 00023 #include "csextern.h" 00024 00025 #include "csutil/blockallocator.h" 00026 #include "csutil/ref.h" 00027 #include "csgfx/shadervar.h" 00028 00038 class csShaderVarBlockAlloc 00039 { 00040 struct BlockAllocatedSV : public csShaderVariable 00041 { 00042 csShaderVarBlockAlloc* allocator; 00043 virtual void Delete() { allocator->blockAlloc.Free (this); } 00044 }; 00045 friend class BlockAllocatedSV; 00046 csBlockAllocator<BlockAllocatedSV> blockAlloc; 00047 public: 00053 csShaderVarBlockAlloc (size_t nelem = 32, bool warn_unfreed = false) : 00054 blockAlloc(nelem, warn_unfreed) {} 00061 csRef<csShaderVariable> Alloc () 00062 { 00063 BlockAllocatedSV* sv = blockAlloc.Alloc (); 00064 sv->allocator = this; 00065 return csPtr<csShaderVariable> (sv); 00066 } 00067 }; 00068 00069 #endif // __CS_CSGFX_SHADERVARBLOCKALLOC_H__
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