CrystalSpace

Public API Reference

csgfx/shadervarcontext.h

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00001 /*
00002     Copyright (C) 2003 by Jorrit Tyberghein
00003               (C) 2003 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_SHADERVARCONTEXT_H__
00021 #define __CS_CSGFX_SHADERVARCONTEXT_H__
00022 
00023 #include "csextern.h"
00024 
00025 #include "csutil/scf_implementation.h"
00026 
00027 #include "ivideo/shader/shader.h"
00028 #include "shadervar.h"
00029 
00037 class CS_CRYSTALSPACE_EXPORT csShaderVariableContext :
00038   public scfImplementation1<csShaderVariableContext, iShaderVariableContext>
00039 {
00040 private:
00041   csRefArray<csShaderVariable> variables;
00042 
00043 public:
00044   CS_LEAKGUARD_DECLARE (csShaderVariableContext);
00045 
00046   csShaderVariableContext ();
00047   csShaderVariableContext (const csShaderVariableContext& other);
00048   virtual ~csShaderVariableContext ();
00049 
00050   const csRefArray<csShaderVariable>& GetShaderVariables () const
00051   { return variables; }
00052   virtual void AddVariable (csShaderVariable *variable);
00053   virtual csShaderVariable* GetVariable (csStringID name) const;
00054   virtual void PushVariables (csShaderVarStack &stacks) const;
00055   virtual bool IsEmpty() const { return variables.Length() == 0; }  
00056   virtual void ReplaceVariable (csShaderVariable *variable);
00057   virtual void Clear () { variables.Empty(); }
00058 };
00059 
00060 #endif // __CS_CSGFX_SHADERVARCONTEXT_H__

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