/usr/include/crystalspace-2.0/csgfx/shadervarframeholder.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /*
Copyright (C) 2005 by Jorrit Tyberghein
(C) 2005 by Frank Richter
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __CS_CSGFX_SHADERVARFRAMEHOLDER_H__
#define __CS_CSGFX_SHADERVARFRAMEHOLDER_H__
#include "csextern.h"
#include "cstool/framedataholder.h"
#include "shadervarblockalloc.h"
/**\file
* Frame data holder for shader variables.
*/
/**
* Helper class to obtain a shader variable that was guaranteedly not used
* in a frame yet.
* \sa csFrameDataHolder
*/
class CS_CRYSTALSPACE_EXPORT csShaderVariableFrameHolder
{
/// Actual holder
csFrameDataHolder<csRef<csShaderVariable> > svCache;
/// Allocator for variables
csShaderVarBlockAlloc<> svAlloc;
/// Allocate new
csRef<csShaderVariable> AllocFrameSv (uint framenr);
public:
~csShaderVariableFrameHolder();
/**
* Allocate a shader variable that was not used this frame.
* \param framenr Number of the current frame; used to track used and unused
* variable.
* \param name Name of the variable
* \remarks It's adviseable to really only use the returned variable for a
* single frame.
*/
csRef<csShaderVariable> GetFrameUniqueSV (uint framenr,
CS::ShaderVarStringID name);
};
#endif // __CS_CSGFX_SHADERVARFRAMEHOLDER_H__
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