2 Copyright (C) 2009 Richard Goedeken
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 /* This header file contains function pointers to some OpenGL functions */
20 /* This is only necessary because Windows does not contain development support for OpenGL versions beyond 1.1 */
22 #if !defined(OGL_EXTENSIONS_H)
23 #define OGL_EXTENSIONS_H
26 #include <SDL_opengles.h>
27 #define APIENTRYP GL_API
29 #include <SDL_opengl.h>
32 /* Just call this one function to load up the function pointers. */
33 void OGLExtensions_Init(void);
35 /* The function pointer types are defined here because as of 2009 some OpenGL drivers under Linux do 'incorrect' things which
36 mess up the SDL_opengl.h header, resulting in no function pointer typedefs at all, and thus compilation errors.
39 static void myglMultiTexCoord2f(GLenum target, GLfloat s, GLfloat t)
41 glMultiTexCoord4f(target, s, t, 0.0f, 1.0f);
43 static void myglMultiTexCoord2fv(GLenum target, const GLfloat *v)
45 glMultiTexCoord4f(target, v[0], v[1], 0.0f, 1.0f);
48 #define pglActiveTexture glActiveTexture
49 #define pglActiveTextureARB glActiveTexture
50 #define pglMultiTexCoord2f myglMultiTexCoord2f
51 #define pglMultiTexCoord2fv myglMultiTexCoord2fv
52 #define pglDeleteProgramsARB(a,b) {}
53 #define pglProgramStringARB(a,b,c,d) {}
54 #define pglBindProgramARB(a,b) {}
55 #define pglGenProgramsARB(a,b) {}
56 #define pglProgramEnvParameter4fvARB(a,b,c) {}
57 #define pglFogCoordPointerEXT(a,b,c) {}
58 #define pglClientActiveTextureARB glClientActiveTexture
61 typedef void (APIENTRYP PFUNCGLCOMBINERPARAMETERFVNVPROC) (GLenum pname, const GLfloat *params);
62 typedef void (APIENTRYP PFUNCGLFINALCOMBINERINPUTNVPROC) (GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);
63 typedef void (APIENTRYP PFUNCGLCOMBINEROUTPUTNVPROC) (GLenum stage, GLenum portion, GLenum abOutput, GLenum cdOutput, GLenum sumOutput, GLenum scale, GLenum bias, GLboolean abDotProduct, GLboolean cdDotProduct, GLboolean muxSum);
64 typedef void (APIENTRYP PFUNCGLCOMBINERINPUTNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);
65 typedef void (APIENTRYP PFUNCGLCOMBINERPARAMETERINVPROC) (GLenum pname, GLint param);
67 typedef void (APIENTRYP PFUNCGLACTIVETEXTUREPROC) (GLenum texture);
68 typedef void (APIENTRYP PFUNCGLACTIVETEXTUREARBPROC) (GLenum texture);
69 typedef void (APIENTRYP PFUNCGLMULTITEXCOORD2FPROC) (GLenum target, GLfloat s, GLfloat t);
70 typedef void (APIENTRYP PFUNCGLMULTITEXCOORD2FVPROC) (GLenum target, const GLfloat *v);
71 typedef void (APIENTRYP PFUNCGLDELETEPROGRAMSARBPROC) (GLsizei n, const GLuint *programs);
72 typedef void (APIENTRYP PFUNCGLPROGRAMSTRINGARBPROC) (GLenum target, GLenum format, GLsizei len, const GLvoid *string);
73 typedef void (APIENTRYP PFUNCGLBINDPROGRAMARBPROC) (GLenum target, GLuint program);
74 typedef void (APIENTRYP PFUNCGLGENPROGRAMSARBPROC) (GLsizei n, GLuint *programs);
75 typedef void (APIENTRYP PFUNCGLPROGRAMENVPARAMETER4FVARBPROC) (GLenum target, GLuint index, const GLfloat *params);
76 typedef void (APIENTRYP PFUNCGLFOGCOORDPOINTEREXTPROC) (GLenum type, GLsizei stride, const GLvoid *pointer);
77 typedef void (APIENTRYP PFUNCGLCLIENTACTIVETEXTUREARBPROC) (GLenum texture);
79 extern bool bNvidiaExtensionsSupported;
81 extern PFUNCGLCOMBINERPARAMETERFVNVPROC pglCombinerParameterfvNV;
82 extern PFUNCGLFINALCOMBINERINPUTNVPROC pglFinalCombinerInputNV;
83 extern PFUNCGLCOMBINEROUTPUTNVPROC pglCombinerOutputNV;
84 extern PFUNCGLCOMBINERINPUTNVPROC pglCombinerInputNV;
85 extern PFUNCGLCOMBINERPARAMETERINVPROC pglCombinerParameteriNV;
87 extern PFUNCGLACTIVETEXTUREPROC pglActiveTexture;
88 extern PFUNCGLACTIVETEXTUREARBPROC pglActiveTextureARB;
89 extern PFUNCGLMULTITEXCOORD2FPROC pglMultiTexCoord2f;
90 extern PFUNCGLMULTITEXCOORD2FVPROC pglMultiTexCoord2fv;
91 extern PFUNCGLDELETEPROGRAMSARBPROC pglDeleteProgramsARB;
92 extern PFUNCGLPROGRAMSTRINGARBPROC pglProgramStringARB;
93 extern PFUNCGLBINDPROGRAMARBPROC pglBindProgramARB;
94 extern PFUNCGLGENPROGRAMSARBPROC pglGenProgramsARB;
95 extern PFUNCGLPROGRAMENVPARAMETER4FVARBPROC pglProgramEnvParameter4fvARB;
96 extern PFUNCGLFOGCOORDPOINTEREXTPROC pglFogCoordPointerEXT;
97 extern PFUNCGLCLIENTACTIVETEXTUREARBPROC pglClientActiveTextureARB;
99 #endif // OGL_EXTENSIONS_H