00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org 00006 00007 Copyright (c) 2000-2012 Torus Knot Software Ltd 00008 Permission is hereby granted, free of charge, to any person obtaining a copy 00009 of this software and associated documentation files (the "Software"), to deal 00010 in the Software without restriction, including without limitation the rights 00011 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00012 copies of the Software, and to permit persons to whom the Software is 00013 furnished to do so, subject to the following conditions: 00014 00015 The above copyright notice and this permission notice shall be included in 00016 all copies or substantial portions of the Software. 00017 00018 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00019 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00020 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00021 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00022 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00023 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 00024 THE SOFTWARE. 00025 ----------------------------------------------------------------------------- 00026 */ 00027 #ifndef _ShaderRenderState_ 00028 #define _ShaderRenderState_ 00029 00030 #include "OgreShaderPrerequisites.h" 00031 #include "OgreShaderSubRenderState.h" 00032 #include "OgreSharedPtr.h" 00033 00034 namespace Ogre { 00035 namespace RTShader { 00036 00050 class _OgreRTSSExport RenderState : public RTShaderSystemAlloc 00051 { 00052 00053 // Interface. 00054 public: 00055 00057 RenderState(); 00058 00060 virtual ~RenderState(); 00061 00063 void reset(); 00064 00068 void addTemplateSubRenderState(SubRenderState* subRenderState); 00069 00073 void removeTemplateSubRenderState(SubRenderState* subRenderState); 00074 00076 const SubRenderStateList& getTemplateSubRenderStateList() const { return mSubRenderStateList; } 00077 00086 void setLightCount(const int lightCount[3]); 00087 00096 void getLightCount(int lightCount[3]) const; 00097 00104 void setLightCountAutoUpdate(bool autoUpdate) { mLightCountAutoUpdate = autoUpdate; } 00105 00110 bool getLightCountAutoUpdate() const { return mLightCountAutoUpdate; } 00111 00112 00113 00114 00115 // Attributes. 00116 protected: 00117 // The sub render states list. 00118 SubRenderStateList mSubRenderStateList; 00119 // The light count per light type definition. 00120 int mLightCount[3]; 00121 // True if light count was explicitly set. 00122 bool mLightCountAutoUpdate; 00123 00124 private: 00125 friend class ProgramManager; 00126 friend class FFPRenderStateBuilder; 00127 }; 00128 00129 00130 typedef vector<RenderState*>::type RenderStateList; 00131 typedef RenderStateList::iterator RenderStateIterator; 00132 typedef RenderStateList::const_iterator RenderStateConstIterator; 00133 00134 00139 class TargetRenderState : public RenderState 00140 { 00141 00142 // Interface. 00143 public: 00144 00146 TargetRenderState(); 00147 00149 virtual ~TargetRenderState(); 00150 00157 void link(const RenderState& other, Pass* srcPass, Pass* dstPass); 00158 00165 void updateGpuProgramsParams(Renderable* rend, Pass* pass, const AutoParamDataSource* source, const LightList* pLightList); 00166 00167 // Protected methods 00168 protected: 00169 00171 void sortSubRenderStates(); 00172 00174 static int sSubRenderStateCompare(const void * p0, const void *p1); 00175 00176 00179 bool createCpuPrograms(); 00180 00183 ProgramSet* createProgramSet(); 00184 00185 /* Destroy the program set of this render state. */ 00186 void destroyProgramSet(); 00187 00190 ProgramSet* getProgramSet() { return mProgramSet; } 00191 00195 void addSubRenderStateInstance(SubRenderState* subRenderState); 00196 00200 void removeSubRenderStateInstance(SubRenderState* subRenderState); 00201 00202 00203 // Attributes. 00204 protected: 00205 // Tells if the list of the sub render states is sorted. 00206 bool mSubRenderStateSortValid; 00207 // The program set of this RenderState. 00208 ProgramSet* mProgramSet; 00209 00210 00211 private: 00212 friend class ProgramManager; 00213 friend class FFPRenderStateBuilder; 00214 }; 00215 00216 00220 } 00221 } 00222 00223 #endif 00224
Copyright © 2012 Torus Knot Software Ltd
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Sun Sep 2 2012 07:27:24