source: OGRE/trunk/ogrenew/RenderSystems/GL/include/OgreGLGpuProgram.h @ 692

Revision 692, 3.7 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

RevLine 
[692]1/*
2-----------------------------------------------------------------------------
3This source file is part of OGRE
4    (Object-oriented Graphics Rendering Engine)
5For the latest info, see http://www.stevestreeting.com/ogre/
6
7Copyright (c) 2000-2005 The OGRE Teameeting
8Also see acknowledgements in Readme.html
9
10This program is free software; you can redistribute it and/or modify it under
11the terms of the GNU General Public License as published by the Free Software
12Foundation; either version 2 of the License, or (at your option) any later
13version.
14
15This program is distributed in the hope that it will be useful, but WITHOUT
16ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License along with
20this program; if not, write to the Free Software Foundation, Inc., 59 Temple
21Place - Suite 330, Boston, MA 02111-1307, USA, or go to
22http://www.gnu.org/copyleft/gpl.html.
23-----------------------------------------------------------------------------
24*/
25
26#ifndef __GLGpuProgram_H__
27#define __GLGpuProgram_H__
28
29#include "OgreGLPrerequisites.h"
30#include "OgreGpuProgram.h"
31
32namespace Ogre {
33
34    /** Generalised low-level GL program, can be applied to multiple types (eg ARB and NV) */
35    class GLGpuProgram : public GpuProgram
36    {
37    public:
38        GLGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
39            const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
40        virtual ~GLGpuProgram();
41
42        /// Execute the binding functions for this program
43        virtual void bindProgram(void) {}
44        /// Execute the binding functions for this program
45        virtual void unbindProgram(void) {}
46        /** Overridden from GpuProgram, do nothing */
47        void loadFromSource(void) {}
48
49        /// Execute the param binding functions for this program
50        virtual void bindProgramParameters(GpuProgramParametersSharedPtr params) {}
51                /// Bind just the pass iteration parameters
52                virtual void bindProgramPassIterationParameters(GpuProgramParametersSharedPtr params) {}
53
54
55        /// Get the assigned GL program id
56        const GLuint getProgramID(void) const
57        { return mProgramID; }
58
59    protected:
60        /// @copydoc Resource::unloadImpl
61        void unloadImpl(void) {}
62
63        GLuint mProgramID;
64        GLenum mProgramType;
65    };
66
67    /** Specialisation of the GL low-level program for ARB programs. */
68    class GLArbGpuProgram : public GLGpuProgram
69    {
70    public:
71        GLArbGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
72            const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
73        virtual ~GLArbGpuProgram();
74
75        /// @copydoc GpuProgram::setType
76        void setType(GpuProgramType t);
77
78
79        /// Execute the binding functions for this program
80        void bindProgram(void);
81        /// Execute the unbinding functions for this program
82        void unbindProgram(void);
83        /// Execute the param binding functions for this program
84        void bindProgramParameters(GpuProgramParametersSharedPtr params);
85                /// Bind just the pass iteration parameters
86                void bindProgramPassIterationParameters(GpuProgramParametersSharedPtr params);
87
88        /// Get the GL type for the program
89        const GLuint getProgramType(void) const
90        { return mProgramType; }
91
92    protected:
93        void loadFromSource(void);
94        /// @copydoc Resource::unloadImpl
95        void unloadImpl(void);
96
97    };
98
99
100
101}; // namespace Ogre
102
103#endif // __GLGpuProgram_H__
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