CrystalSpace

Public API Reference

csgfx/shadervararrayhelper.h
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00001 /*
00002     Copyright (C) 2008 by Frank Richter
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_CSGFX_SHADERVARARRAYHELPER_H__
00020 #define __CS_CSGFX_SHADERVARARRAYHELPER_H__
00021 
00022 #include "ivideo/shader/shader.h"
00023 #include "csgfx/shadervarnameparser.h"
00024 
00030 namespace CS
00031 {
00032   namespace Graphics
00033   {
00034     class CS_CRYSTALSPACE_EXPORT ShaderVarArrayHelper
00035     {
00036     public:
00040       enum MissingAction
00041       {
00043         maCreate,
00045         maCreateNoEnlarge,
00047         maFail
00048       };
00050       enum Error
00051       {
00053         errSuccess,
00055         errNoArray,
00057         errArrayToSmall,
00059         errNoEntry
00060       };
00061     
00080       static csShaderVariable* GetArrayItem (csShaderVariable* outer,
00081         const ShaderVarNameParser& indices, MissingAction missingAction,
00082         Error* errorStatus = 0, size_t* errorLevel = 0);
00083     
00103       static csShaderVariable* GetArrayItem (csShaderVariable* outer,
00104         const size_t* indices, size_t indexNum, MissingAction missingAction,
00105         Error* errorStatus = 0, size_t* errorLevel = 0);
00106     };
00107   } // namespace Graphics
00108 } // namespace CS
00109 
00110 #endif // __CS_CSGFX_SHADERVARARRAYHELPER_H__

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