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shaderplugin.h
00001 /* 00002 Copyright (C) 2003 by Marten Svanfeldt 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_SHADERPLUGIN_H__ 00020 #define __CS_SHADERPLUGIN_H__ 00021 00022 #include "csutil/scf.h" 00023 #include "csutil/strhash.h" 00024 00025 #include "ivideo/shader/shader.h" 00026 00027 struct csShaderVarMapping 00028 { 00029 csStringID name; 00030 csString destination; 00031 csShaderVarMapping (csStringID n, const char* d) 00032 : name(n), destination(d) {} 00033 }; 00034 00035 SCF_VERSION(iShaderTUResolver, 0, 0, 1); 00040 struct iShaderTUResolver : public iBase 00041 { 00046 virtual int ResolveTextureBinding (const char* binding) = 0; 00047 }; 00048 00049 SCF_VERSION(iShaderProgram, 0, 3, 0); 00054 struct iShaderProgram : public iBase 00055 { 00057 virtual void Activate() = 0; 00058 00060 virtual void Deactivate() = 0; 00061 00063 virtual void SetupState (const csRenderMesh* mesh, 00064 csRenderMeshModes& modes, 00065 const csShaderVarStack &stacks) = 0; 00066 00068 virtual void ResetState () = 0; 00069 00071 virtual bool Load (iShaderTUResolver* tuResolve, iDocumentNode* node) = 0; 00072 00074 virtual bool Load (iShaderTUResolver* tuResolve, const char* program, 00075 csArray<csShaderVarMapping>& mappings) = 0; 00076 00078 virtual bool Compile () = 0; 00079 }; 00080 00081 SCF_VERSION(iShaderProgramPlugin,0,1,0); 00086 struct iShaderProgramPlugin : public iBase 00087 { 00088 virtual csPtr<iShaderProgram> CreateProgram(const char* type) = 0; 00089 virtual bool SupportType(const char* type) = 0; 00090 }; 00091 00092 #endif 00093
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