src/GLSL/include/OgreGLSLLinkProgramManager.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2013 Torus Knot Software Ltd
8 
9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 copies of the Software, and to permit persons to whom the Software is
14 furnished to do so, subject to the following conditions:
15 
16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 THE SOFTWARE.
26 -----------------------------------------------------------------------------
27 */
28 #ifndef __GLSLLinkProgramManager_H__
29 #define __GLSLLinkProgramManager_H__
30 
31 #include "OgreGLPrerequisites.h"
32 #include "OgreSingleton.h"
33 
34 #include "OgreGLSLExtSupport.h"
35 #include "OgreGLSLLinkProgram.h"
36 
37 namespace Ogre {
38 
39  namespace GLSL {
40 
53  class _OgreGLExport GLSLLinkProgramManager : public Singleton<GLSLLinkProgramManager>
54  {
55 
56  private:
57 
59  typedef LinkProgramMap::iterator LinkProgramIterator;
60 
63 
69 
72 
74  void completeDefInfo(GLenum gltype, GpuConstantDefinition& defToUpdate);
76  bool completeParamSource(const String& paramName,
77  const GpuConstantDefinitionMap* vertexConstantDefs,
78  const GpuConstantDefinitionMap* geometryConstantDefs,
79  const GpuConstantDefinitionMap* fragmentConstantDefs,
80  GLUniformReference& refToUpdate);
81 
82  public:
83 
85 
87 
92  GLSLLinkProgram* getActiveLinkProgram(void);
93 
98  void setActiveFragmentShader(GLSLGpuProgram* fragmentGpuProgram);
103  void setActiveGeometryShader(GLSLGpuProgram* geometryGpuProgram);
108  void setActiveVertexShader(GLSLGpuProgram* vertexGpuProgram);
109 
124  void extractUniforms(GLhandleARB programObject,
125  const GpuConstantDefinitionMap* vertexConstantDefs,
126  const GpuConstantDefinitionMap* geometryConstantDefs,
127  const GpuConstantDefinitionMap* fragmentConstantDefs,
135  void extractConstantDefs(const String& src, GpuNamedConstants& constantDefs,
136  const String& filename);
137 
138  static GLSLLinkProgramManager& getSingleton(void);
139  static GLSLLinkProgramManager* getSingletonPtr(void);
140 
141  };
142 
143  }
144 }
145 
146 #endif // __GLSLLinkProgramManager_H__
Ogre
Definition: OgreAndroidLogListener.h:34
OgreGLSLExtSupport.h
Ogre::GpuNamedConstants
Struct collecting together the information for named constants.
Definition: OgreGpuProgramParams.h:355
Ogre::map
Definition: OgrePrerequisites.h:533
OgreSingleton.h
Ogre::GLSL::GLSLLinkProgramManager::mActiveVertexGpuProgram
GLSLGpuProgram * mActiveVertexGpuProgram
active objects defining the active rendering gpu state
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:65
OgreGLSLLinkProgram.h
Ogre::GLSL::GLSLLinkProgramManager::mActiveFragmentGpuProgram
GLSLGpuProgram * mActiveFragmentGpuProgram
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:67
Ogre::GLSL::GLSLGpuProgram
GLSL low level compiled shader object - this class is used to get at the linked program object and pr...
Definition: src/GLSL/include/OgreGLSLGpuProgram.h:47
Ogre::GLSL::GLSLLinkProgramManager
Ogre assumes that there are separate vertex and fragment programs to deal with but GLSL has one progr...
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:53
Ogre::String
_StringBase String
Definition: OgrePrerequisites.h:439
Ogre::GLSL::GLUniformReferenceList
vector< GLUniformReference >::type GLUniformReferenceList
Definition: src/GLSL/include/OgreGLSLLinkProgram.h:50
Ogre::GLSL::GLSLLinkProgramManager::mActiveGeometryGpuProgram
GLSLGpuProgram * mActiveGeometryGpuProgram
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:66
Ogre::GLSL::GLSLLinkProgramManager::mActiveLinkProgram
GLSLLinkProgram * mActiveLinkProgram
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:68
Ogre::list
Definition: OgrePrerequisites.h:505
_OgreGLExport
#define _OgreGLExport
Definition: OgreGLPrerequisites.h:99
OgreGLPrerequisites.h
Ogre::Singleton
Template class for creating single-instance global classes.
Definition: OgreSingleton.h:64
Ogre::GLSL::GLSLLinkProgramManager::LinkProgramMap
map< uint64, GLSLLinkProgram * >::type LinkProgramMap
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:58
Ogre::GLSL::GLSLLinkProgramManager::mLinkPrograms
LinkProgramMap mLinkPrograms
container holding previously created program objects
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:62
Ogre::GpuConstantDefinitionMap
map< String, GpuConstantDefinition >::type GpuConstantDefinitionMap
Definition: OgreGpuProgramParams.h:351
Ogre::GLSL::GLSLLinkProgramManager::LinkProgramIterator
LinkProgramMap::iterator LinkProgramIterator
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:59
Ogre::GpuConstantDefinition
Information about predefined program constants.
Definition: OgreGpuProgramParams.h:122
Ogre::GLSL::GLUniformReference
Structure used to keep track of named uniforms in the linked program object.
Definition: src/GLSL/include/OgreGLSLLinkProgram.h:40
Ogre::GLSL::GLSLLinkProgram
C++ encapsulation of GLSL Program Object.
Definition: src/GLSL/include/OgreGLSLLinkProgram.h:57
Ogre::GLSL::GLSLLinkProgramManager::StringToEnumMap
map< String, GLenum >::type StringToEnumMap
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:70
Ogre::GLSL::GLSLLinkProgramManager::mTypeEnumMap
StringToEnumMap mTypeEnumMap
Definition: src/GLSL/include/OgreGLSLLinkProgramManager.h:71

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Last modified Tue Apr 13 2021 08:53:15