csplugincommon/shader/weavercombiner.h
Go to the documentation of this file.00001 /* 00002 Copyright (C) 2003-2007 by Marten Svanfeldt 00003 2004-2007 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_CSPLUGINCOMMON_SHADER_WEAVERCOMBINER_H__ 00021 #define __CS_CSPLUGINCOMMON_SHADER_WEAVERCOMBINER_H__ 00022 00023 #include "iutil/document.h" 00024 #include "ivideo/graph3d.h" 00025 00026 #include "csutil/scf.h" 00027 #include "csgeom/vector4.h" 00028 #include <limits.h> 00029 00036 struct iString; 00037 00038 namespace CS 00039 { 00040 namespace PluginCommon 00041 { 00042 namespace ShaderWeaver 00043 { 00044 static const uint NoCoercion = UINT_MAX; 00045 00046 struct iCoerceChainIterator : public iDocumentNodeIterator 00047 { 00048 SCF_INTERFACE (iCoerceChainIterator, 0, 1, 0); 00049 00050 virtual csRef<iDocumentNode> Next () = 0; 00051 virtual csRef<iDocumentNode> Next (const char*& fromType, 00052 const char*& toType) = 0; 00053 }; 00054 00055 struct iCombiner : public virtual iBase 00056 { 00057 SCF_INTERFACE (iCombiner, 1, 0, 1); 00058 00060 virtual void BeginSnippet (const char* annotation = 0) = 0; 00062 virtual void AddInput (const char* name, const char* type) = 0; 00064 virtual void AddInputValue (const char* name, const char* type, 00065 const char* value) = 0; 00067 virtual void AddOutput (const char* name, const char* type) = 0; 00069 virtual void InputRename (const char* fromName, const char* toName) = 0; 00071 virtual void OutputRename (const char* fromName, const char* toName) = 0; 00076 virtual void PropagateAttributes (const char* fromInput, 00077 const char* toOutput) = 0; 00079 virtual void AddOutputAttribute (const char* outputName, 00080 const char* name, const char* type) = 0; 00082 virtual void AddInputAttribute (const char* inputName, 00083 const char* name, const char* type, const char* defVal) = 0; 00088 virtual void Link (const char* fromName, const char* toName) = 0; 00090 virtual void WriteBlock (const char* location, 00091 iDocumentNode* blockNodes) = 0; 00093 virtual bool EndSnippet () = 0; 00094 00096 virtual void AddGlobal (const char* name, const char* type, 00097 const char* annotation = 0) = 0; 00099 virtual void SetOutput (csRenderTargetAttachment target, 00100 const char* name, const char* annotation = 0) = 0; 00101 00106 /* @@@ FIXME: A bit of a design issue that weaver nodes are returned, 00107 since that means combiners have to "know" the syntax of 00108 weaver input docs! */ 00109 virtual csPtr<iCoerceChainIterator> QueryCoerceChain (const char* fromType, 00110 const char* toType) = 0; 00111 00118 virtual uint CoerceCost (const char* fromType, const char* toType) = 0; 00119 00121 virtual void WriteToPass (iDocumentNode* pass) = 0; 00122 00127 virtual bool CompatibleParams (iDocumentNode* params) = 0; 00128 00135 virtual csRef<iString> QueryInputTag (const char* location, 00136 iDocumentNode* blockNodes) = 0; 00137 00142 virtual void SetDescription (const char* descr) = 0; 00143 }; 00144 00145 struct iCombinerLoader : public virtual iBase 00146 { 00147 SCF_INTERFACE (iCombinerLoader, 0, 0, 4); 00148 00149 virtual csPtr<iCombiner> GetCombiner (iDocumentNode* params) = 0; 00150 00151 virtual void GenerateConstantInputBlocks (iDocumentNode* node, 00152 const char* locationPrefix, const csVector4& value, 00153 int usedComponents, const char* outputName) = 0; 00154 virtual void GenerateSVInputBlocks (iDocumentNode* node, 00155 const char* locationPrefix, const char* svName, 00156 const char* outputType, const char* outputName, 00157 const char* uniqueTag) = 0; 00158 virtual void GenerateBufferInputBlocks (iDocumentNode* node, 00159 const char* locationPrefix, const char* bufName, 00160 const char* outputType, const char* outputName, 00161 const char* uniqueTag) = 0; 00162 00170 virtual const char* GetCodeString() = 0; 00171 }; 00172 } // namespace ShaderWeaver 00173 } // namespace PluginCommon 00174 } // namespace CS 00175 00178 #endif // __CS_CSPLUGINCOMMON_SHADER_WEAVERCOMBINER_H__ 00179
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