OgreGLGpuProgram.h
Go to the documentation of this file.
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 
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__
Ogre::ResourceHandle
unsigned long long int ResourceHandle
Definition: OgreResource.h:41
Ogre::GLArbGpuProgram::getProgramType
GLuint getProgramType(void) const
Get the GL type for the program.
Definition: OgreGLGpuProgram.h:108
Ogre::GLGpuProgram::bindProgramPassIterationParameters
virtual void bindProgramPassIterationParameters(GpuProgramParametersSharedPtr params)
Bind just the pass iteration parameters.
Definition: OgreGLGpuProgram.h:54
Ogre::GLGpuProgram::unbindProgram
virtual void unbindProgram(void)
Execute the binding functions for this program.
Definition: OgreGLGpuProgram.h:49
Ogre::GLGpuProgram
Generalised low-level GL program, can be applied to multiple types (eg ARB and NV)
Definition: OgreGLGpuProgram.h:39
Ogre
Definition: OgreAndroidLogListener.h:34
Ogre::GLGpuProgram::getProgramID
GLuint getProgramID(void) const
Get the assigned GL program id.
Definition: OgreGLGpuProgram.h:60
Ogre::GpuProgram
Defines a program which runs on the GPU such as a vertex or fragment program.
Definition: OgreGpuProgram.h:69
Ogre::GLGpuProgram::mProgramType
GLenum mProgramType
Definition: OgreGLGpuProgram.h:83
Ogre::uint16
unsigned short uint16
Definition: OgrePlatform.h:360
Ogre::String
_StringBase String
Definition: OgrePrerequisites.h:439
Ogre::GpuProgramType
GpuProgramType
Enumerates the types of programs which can run on the GPU.
Definition: OgreGpuProgram.h:50
Ogre::VertexElementSemantic
VertexElementSemantic
Vertex element semantics, used to identify the meaning of vertex buffer contents.
Definition: OgreHardwareVertexBuffer.h:99
Ogre::GLGpuProgram::bindProgram
virtual void bindProgram(void)
Execute the binding functions for this program.
Definition: OgreGLGpuProgram.h:47
_OgreGLExport
#define _OgreGLExport
Definition: OgreGLPrerequisites.h:99
OgreGLPrerequisites.h
Ogre::GLGpuProgram::unloadImpl
void unloadImpl(void)
Internal implementation of the 'unload' action; called regardless of whether this resource is being l...
Definition: OgreGLGpuProgram.h:80
Ogre::ResourceManager
Defines a generic resource handler.
Definition: OgreResourceManager.h:122
Ogre::SharedPtr< GpuProgramParameters >
OgreHardwareVertexBuffer.h
Ogre::uint
unsigned int uint
Definition: OgrePrerequisites.h:114
OgreGpuProgram.h
Ogre::GLGpuProgram::mProgramID
GLuint mProgramID
Definition: OgreGLGpuProgram.h:82
Ogre::GLArbGpuProgram
Specialisation of the GL low-level program for ARB programs.
Definition: OgreGLGpuProgram.h:87
Ogre::GLGpuProgram::loadFromSource
void loadFromSource(void)
Overridden from GpuProgram, do nothing.
Definition: OgreGLGpuProgram.h:78
Ogre::ManualResourceLoader
Interface describing a manual resource loader.
Definition: OgreResource.h:514
Ogre::GLGpuProgram::bindProgramParameters
virtual void bindProgramParameters(GpuProgramParametersSharedPtr params, uint16 mask)
Execute the param binding functions for this program.
Definition: OgreGLGpuProgram.h:52

Copyright © 2012 Torus Knot Software Ltd
Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Tue Apr 13 2021 08:53:15