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alexbevi
GitHub Repository: alexbevi/BizHawk
 Path: blob/master/libmupen64plus/mupen64plus-video-rice/src/OGLExtensions.h
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/* OGLExtensions.h

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Copyright (C) 2009 Richard Goedeken

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This program is free software; you can redistribute it and/or

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modify it under the terms of the GNU General Public License

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as published by the Free Software Foundation; either version 2

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of the License, or (at your option) any later version.

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This program is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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GNU General Public License for more details.

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You should have received a copy of the GNU General Public License

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along with this program; if not, write to the Free Software

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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

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*/

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/* This header file contains function pointers to some OpenGL functions */

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/* This is only necessary because Windows does not contain development support for OpenGL versions beyond 1.1 */

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#if !defined(OGL_EXTENSIONS_H)

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#define OGL_EXTENSIONS_H

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#include <SDL_opengl.h>

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/* Just call this one function to load up the function pointers. */

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void OGLExtensions_Init(void);

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/* The function pointer types are defined here because as of 2009 some OpenGL drivers under Linux do 'incorrect' things which

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   mess up the SDL_opengl.h header, resulting in no function pointer typedefs at all, and thus compilation errors.

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*/

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typedef void (APIENTRYP PFUNCGLCOMBINERPARAMETERFVNVPROC) (GLenum pname, const GLfloat *params);

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typedef void (APIENTRYP PFUNCGLFINALCOMBINERINPUTNVPROC) (GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);

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typedef void (APIENTRYP PFUNCGLCOMBINEROUTPUTNVPROC) (GLenum stage, GLenum portion, GLenum abOutput, GLenum cdOutput, GLenum sumOutput, GLenum scale, GLenum bias, GLboolean abDotProduct, GLboolean cdDotProduct, GLboolean muxSum);

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typedef void (APIENTRYP PFUNCGLCOMBINERINPUTNVPROC) (GLenum stage, GLenum portion, GLenum variable, GLenum input, GLenum mapping, GLenum componentUsage);

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typedef void (APIENTRYP PFUNCGLCOMBINERPARAMETERINVPROC) (GLenum pname, GLint param);

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typedef void (APIENTRYP PFUNCGLACTIVETEXTUREPROC) (GLenum texture);

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typedef void (APIENTRYP PFUNCGLACTIVETEXTUREARBPROC) (GLenum texture);

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typedef void (APIENTRYP PFUNCGLMULTITEXCOORD2FPROC) (GLenum target, GLfloat s, GLfloat t);

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typedef void (APIENTRYP PFUNCGLMULTITEXCOORD2FVPROC) (GLenum target, const GLfloat *v);

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typedef void (APIENTRYP PFUNCGLDELETEPROGRAMSARBPROC) (GLsizei n, const GLuint *programs);

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typedef void (APIENTRYP PFUNCGLPROGRAMSTRINGARBPROC) (GLenum target, GLenum format, GLsizei len, const GLvoid *string);

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typedef void (APIENTRYP PFUNCGLBINDPROGRAMARBPROC) (GLenum target, GLuint program);

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typedef void (APIENTRYP PFUNCGLGENPROGRAMSARBPROC) (GLsizei n, GLuint *programs);

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typedef void (APIENTRYP PFUNCGLPROGRAMENVPARAMETER4FVARBPROC) (GLenum target, GLuint index, const GLfloat *params);

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typedef void (APIENTRYP PFUNCGLFOGCOORDPOINTEREXTPROC) (GLenum type, GLsizei stride, const GLvoid *pointer);

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typedef void (APIENTRYP PFUNCGLCLIENTACTIVETEXTUREARBPROC) (GLenum texture);

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extern bool                                 bNvidiaExtensionsSupported;

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extern PFUNCGLCOMBINERPARAMETERFVNVPROC     pglCombinerParameterfvNV;

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extern PFUNCGLFINALCOMBINERINPUTNVPROC      pglFinalCombinerInputNV;

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extern PFUNCGLCOMBINEROUTPUTNVPROC          pglCombinerOutputNV;

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extern PFUNCGLCOMBINERINPUTNVPROC           pglCombinerInputNV;

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extern PFUNCGLCOMBINERPARAMETERINVPROC      pglCombinerParameteriNV;

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extern PFUNCGLACTIVETEXTUREPROC             pglActiveTexture;

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extern PFUNCGLACTIVETEXTUREARBPROC          pglActiveTextureARB;

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extern PFUNCGLMULTITEXCOORD2FPROC           pglMultiTexCoord2f;

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extern PFUNCGLMULTITEXCOORD2FVPROC          pglMultiTexCoord2fv;

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extern PFUNCGLDELETEPROGRAMSARBPROC         pglDeleteProgramsARB;

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extern PFUNCGLPROGRAMSTRINGARBPROC          pglProgramStringARB;

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extern PFUNCGLBINDPROGRAMARBPROC            pglBindProgramARB;

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extern PFUNCGLGENPROGRAMSARBPROC            pglGenProgramsARB;

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extern PFUNCGLPROGRAMENVPARAMETER4FVARBPROC pglProgramEnvParameter4fvARB;

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extern PFUNCGLFOGCOORDPOINTEREXTPROC        pglFogCoordPointerEXT;

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extern PFUNCGLCLIENTACTIVETEXTUREARBPROC    pglClientActiveTextureARB;

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#endif  // OGL_EXTENSIONS_H

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