OgreShaderSubRenderState.h
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1 /*
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3 This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org
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7 Copyright (c) 2000-2013 Torus Knot Software Ltd
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27 #ifndef _ShaderSubRenderState_
28 #define _ShaderSubRenderState_
29 
31 #include "OgreGpuProgram.h"
32 #include "OgreSceneManager.h"
33 #include "OgreMaterialSerializer.h"
34 #include "OgreScriptCompiler.h"
36 
37 
38 namespace Ogre {
39 namespace RTShader {
40 
49 
50 
57 {
58 
59 // Interface.
60 public:
61 
64 
66  virtual ~SubRenderState();
67 
68 
73  virtual const String& getType() const = 0;
74 
75 
81  virtual int getExecutionOrder() const = 0;
82 
83 
87  virtual void copyFrom(const SubRenderState& rhs) = 0;
88 
92  SubRenderState& operator= (const SubRenderState& rhs);
93 
100  virtual bool createCpuSubPrograms(ProgramSet* programSet);
101 
111  virtual void updateGpuProgramsParams(Renderable* rend, Pass* pass, const AutoParamDataSource* source, const LightList* pLightList) { }
112 
120  virtual bool preAddToRenderState(const RenderState* renderState, Pass* srcPass, Pass* dstPass) { return true; }
121 
125  SubRenderStateAccessorPtr getAccessor();
126 
130  SubRenderStateAccessorPtr getAccessor() const;
131 
132 // Protected methods
133 protected:
134 
139  virtual bool resolveParameters(ProgramSet* programSet);
140 
145  virtual bool resolveDependencies(ProgramSet* programSet);
146 
151  virtual bool addFunctionInvocations(ProgramSet* programSet);
152 
153 // Attributes.
154 private:
155  // The accessor of this instance.
157  // The accessor of the source instance which used as base to create this instance.
159 
160 };
161 
163 typedef SubRenderStateList::iterator SubRenderStateListIterator;
164 typedef SubRenderStateList::const_iterator SubRenderStateListConstIterator;
165 
167 typedef SubRenderStateSet::iterator SubRenderStateSetIterator;
168 typedef SubRenderStateSet::const_iterator SubRenderStateSetConstIterator;
169 
170 
178 {
179 public:
182  void addSubRenderStateInstance(SubRenderState* subRenderState) const
183  {
184  mSubRenderStateInstancesSet.insert(subRenderState);
185  }
186 
189  void removeSubRenderStateInstance(SubRenderState* subRenderState) const
190  {
191  SubRenderStateSetIterator itFind = mSubRenderStateInstancesSet.find(subRenderState);
192 
193  if (itFind != mSubRenderStateInstancesSet.end())
194  {
195  mSubRenderStateInstancesSet.erase(itFind);
196  }
197  }
198 
200  SubRenderStateSet& getSubRenderStateInstanceSet() { return mSubRenderStateInstancesSet; }
201 
203  const SubRenderStateSet& getSubRenderStateInstanceSet() const { return mSubRenderStateInstancesSet; }
204 
205 protected:
208  SubRenderStateAccessor(const SubRenderState* templateSubRenderState) : mTemplateSubRenderState(templateSubRenderState) {}
209 
210 
211 protected:
214 
215 private:
216  friend class SubRenderState;
217 
218 };
219 
220 
233 {
234 
235 public:
237  virtual ~SubRenderStateFactory();
238 
244  virtual const String& getType() const = 0;
245 
248  virtual SubRenderState* createInstance();
249 
258  virtual SubRenderState* createInstance(ScriptCompiler* compiler, PropertyAbstractNode* prop, Pass* pass, SGScriptTranslator* translator) { return NULL; }
259 
268  virtual SubRenderState* createInstance(ScriptCompiler* compiler, PropertyAbstractNode* prop, TextureUnitState* texState, SGScriptTranslator* translator) { return NULL; }
269 
274  virtual SubRenderState* createOrRetrieveInstance(SGScriptTranslator* translator);
275 
279  virtual void destroyInstance(SubRenderState* subRenderState);
280 
283  virtual void destroyAllInstances();
284 
294  virtual void writeInstance(MaterialSerializer* ser, SubRenderState* subRenderState, Pass* srcPass, Pass* dstPass) {}
295 
305  virtual void writeInstance(MaterialSerializer* ser, SubRenderState* subRenderState, const TextureUnitState* srcTextureUnit, const TextureUnitState* dstTextureUnit) {}
306 protected:
311  virtual SubRenderState* createInstanceImpl() = 0;
312 
313 // Attributes.
314 protected:
315  // List of all sub render states instances this factory created.
317 };
318 
322 }
323 }
324 
325 #endif
326 
virtual SubRenderState * createInstance(ScriptCompiler *compiler, PropertyAbstractNode *prop, TextureUnitState *texState, SGScriptTranslator *translator)
Create an instance of the SubRenderState based on script properties.
const SubRenderStateSet & getSubRenderStateInstanceSet() const
Return a set of all instances of the template SubRenderState.
Abstract class defining the interface all renderable objects must implement.
Class for serializing Materials to / from a .material script.
Class defining a single pass of a Technique (of a Material), i.e.
Definition: OgrePass.h:80
set< SubRenderState * >::type SubRenderStateSet
This class is the base interface of sub part from a shader based rendering pipeline.
SubRenderStateList::const_iterator SubRenderStateListConstIterator
virtual SubRenderState * createInstance(ScriptCompiler *compiler, PropertyAbstractNode *prop, Pass *pass, SGScriptTranslator *translator)
Create an instance of the SubRenderState based on script properties.
vector< SubRenderState * >::type SubRenderStateList
void removeSubRenderStateInstance(SubRenderState *subRenderState) const
Remove SubRenderState instance to this accessor.
SubRenderStateSet & getSubRenderStateInstanceSet()
Return a set of all instances of the template SubRenderState.
SubRenderStateSet::iterator SubRenderStateSetIterator
SharedPtr< SubRenderStateAccessor > SubRenderStateAccessorPtr
Container class for shader based programs.
SubRenderStateSet::const_iterator SubRenderStateSetConstIterator
Class representing the state of a single texture unit during a Pass of a Technique, of a Material.
virtual bool preAddToRenderState(const RenderState *renderState, Pass *srcPass, Pass *dstPass)
Called before adding this sub render state to the given render state.
This is a container class for sub render state class.
virtual void writeInstance(MaterialSerializer *ser, SubRenderState *subRenderState, Pass *srcPass, Pass *dstPass)
Write the given sub-render state instance using the material serializer.
This class responsible for translating core features of the RT Shader System for Ogre material scrip...
SubRenderStateAccessorPtr mOtherAccessor
This abstract node represents a script property.
virtual void writeInstance(MaterialSerializer *ser, SubRenderState *subRenderState, const TextureUnitState *srcTextureUnit, const TextureUnitState *dstTextureUnit)
Write the given sub-render state instance using the material serializer.
_StringBase String
virtual void updateGpuProgramsParams(Renderable *rend, Pass *pass, const AutoParamDataSource *source, const LightList *pLightList)
Update GPU programs parameters before a rendering operation occurs.
SubRenderStateAccessor(const SubRenderState *templateSubRenderState)
Construct SubRenderState accessor based on the given template SubRenderState.
#define _OgreRTSSExport
Abstract factory interface for creating SubRenderState implementation instances.
SubRenderStateList::iterator SubRenderStateListIterator
This class uses as accessor from a template SubRenderState to all of its instances that created base...
SubRenderStateAccessorPtr mThisAccessor
void addSubRenderStateInstance(SubRenderState *subRenderState) const
Add SubRenderState instance to this accessor.
This utility class is used to hold the information used to generate the matrices and other informati...
This is the main class for the compiler.
Superclass for all objects that wish to use custom memory allocators when their new / delete operator...

Copyright © 2012 Torus Knot Software Ltd
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Last modified Fri Dec 20 2013 11:13:44