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Object-Oriented Graphics Rendering Engine
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OgreGLGpuProgram.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) 2000-2014 Torus Knot Software Ltd
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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
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28 
29 #ifndef __GLGpuProgram_H__
30 #define __GLGpuProgram_H__
31 
32 #include "OgreGLPrerequisites.h"
33 #include "OgreGpuProgram.h"
35 
36 namespace Ogre {
37 
40  {
41  public:
42  GLGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
43  const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
44  virtual ~GLGpuProgram();
45 
47  virtual void bindProgram(void) {}
49  virtual void unbindProgram(void) {}
50 
55 
57  virtual size_t calculateSize(void) const;
58 
60  GLuint getProgramID(void) const
61  { return mProgramID; }
62 
68  virtual GLuint getAttributeIndex(VertexElementSemantic semantic, uint index);
71  virtual bool isAttributeValid(VertexElementSemantic semantic, uint index);
72 
74  static GLuint getFixedAttributeIndex(VertexElementSemantic semantic, uint index);
75 
76  protected:
78  void loadFromSource(void) {}
80  void unloadImpl(void) {}
81 
82  GLuint mProgramID;
83  GLenum mProgramType;
84  };
85 
88  {
89  public:
90  GLArbGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
91  const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
92  virtual ~GLArbGpuProgram();
93 
95  void setType(GpuProgramType t);
96 
97 
99  void bindProgram(void);
101  void unbindProgram(void);
103  void bindProgramParameters(GpuProgramParametersSharedPtr params, uint16 mask);
105  void bindProgramPassIterationParameters(GpuProgramParametersSharedPtr params);
106 
108  GLuint getProgramType(void) const
109  { return mProgramType; }
110 
111  protected:
112  void loadFromSource(void);
114  void unloadImpl(void);
115 
116  };
117 
118 
119 
120 } // namespace Ogre
121 
122 #endif // __GLGpuProgram_H__
Specialisation of the GL low-level program for ARB programs.
GpuProgramType
Enumerates the types of programs which can run on the GPU.
Defines a program which runs on the GPU such as a vertex or fragment program.
virtual void bindProgramPassIterationParameters(GpuProgramParametersSharedPtr params)
Bind just the pass iteration parameters.
Generalised low-level GL program, can be applied to multiple types (eg ARB and NV) ...
virtual void bindProgram(void)
Execute the binding functions for this program.
Interface describing a manual resource loader.
Definition: OgreResource.h:498
VertexElementSemantic
Vertex element semantics, used to identify the meaning of vertex buffer contents. ...
#define _OgreGLExport
GLuint getProgramID(void) const
Get the assigned GL program id.
virtual void bindProgramParameters(GpuProgramParametersSharedPtr params, uint16 mask)
Execute the param binding functions for this program.
virtual void unbindProgram(void)
Execute the binding functions for this program.
void loadFromSource(void)
Overridden from GpuProgram, do nothing.
unsigned long long int ResourceHandle
Definition: OgreResource.h:39
Defines a generic resource handler.
GLuint getProgramType(void) const
Get the GL type for the program.
_StringBase String
Definition: OgreCommon.h:53
void unloadImpl(void)
Internal implementation of the 'unload' action; called regardless of whether this resource is being l...
unsigned short uint16
Definition: OgrePlatform.h:421
unsigned int uint