source: OGRE/trunk/ogrenew/RenderSystems/GL/include/OgreGLGpuProgram.h @ 657

Revision 657, 3.4 KB checked in by mattausch, 19 years ago (diff)

added ogre dependencies and patched ogre sources

Line 
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
52        /// Get the assigned GL program id
53        const GLuint getProgramID(void) const
54        { return mProgramID; }
55
56    protected:
57        /// @copydoc Resource::unloadImpl
58        void unloadImpl(void) {}
59
60        GLuint mProgramID;
61        GLenum mProgramType;
62    };
63
64    /** Specialisation of the GL low-level program for ARB programs. */
65    class GLArbGpuProgram : public GLGpuProgram
66    {
67    public:
68        GLArbGpuProgram(ResourceManager* creator, const String& name, ResourceHandle handle,
69            const String& group, bool isManual = false, ManualResourceLoader* loader = 0);
70        virtual ~GLArbGpuProgram();
71
72        /// @copydoc GpuProgram::setType
73        void setType(GpuProgramType t);
74
75
76        /// Execute the binding functions for this program
77        void bindProgram(void);
78        /// Execute the unbinding functions for this program
79        void unbindProgram(void);
80        /// Execute the param binding functions for this program
81        void bindProgramParameters(GpuProgramParametersSharedPtr params);
82
83        /// Get the GL type for the program
84        const GLuint getProgramType(void) const
85        { return mProgramType; }
86
87    protected:
88        void loadFromSource(void);
89        /// @copydoc Resource::unloadImpl
90        void unloadImpl(void);
91
92    };
93
94
95
96}; // namespace Ogre
97
98#endif // __GLGpuProgram_H__
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