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newtree/include/qfgl_ext.h
Jeff Teunissen fc005fc215 Cleanup of extensions, they are no longer defined in glquake.h. In 
addition, removed support (for now) for SGIS and EXT multitexture. It
allowed me to enhance support for ARB multitexture, which is better anyway
(especially for Radeon, but that won't get special support yet until we
need a third texture pass).

Updated the Unix 8-bit GL code to be more like the Windows version, which
may work better. It still defaults off, because many drivers have bugs in
their handling of the shared texture palette extension.
2001-01-06 07:29:17 +00:00

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/*
qfgl_ext.h
QuakeForge OpenGL extension interface definitions
Copyright (C) 2000 Jeff Teunissen <deek@dusknet.dhs.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
$Id$
*/
#ifndef __qfgl_ext_h_
#define __qfgl_ext_h_
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_WINDOWS_H
# include <windows.h>
#endif
#include <GL/gl.h>
#ifdef HAVE_GL_GLX_H
# include <GL/glx.h>
#endif
#ifdef HAVE_GL_GLEXT_H
# include <GL/glext.h>
#endif
#include "qtypes.h"
// Define GLAPIENTRY to a useful value
#ifndef GLAPIENTRY
# ifdef APIENTRY
# define GLAPIENTRY APIENTRY
# else
# define GLAPIENTRY
# endif
#endif
// OpenGL numbers for extensions we use or want to use
#ifndef GL_EXT_bgra
# define GL_BGR_EXT 0x80E0
# define GL_BGRA_EXT 0x80E1
#endif
#ifndef GL_EXT_texture_object
#define GL_TEXTURE_PRIORITY_EXT 0x8066
#define GL_TEXTURE_RESIDENT_EXT 0x8067
#define GL_TEXTURE_1D_BINDING_EXT 0x8068
#define GL_TEXTURE_2D_BINDING_EXT 0x8069
#define GL_TEXTURE_3D_BINDING_EXT 0x806A
#endif
#ifndef GL_EXT_point_parameters
#define GL_POINT_SIZE_MIN_EXT 0x8126
#define GL_POINT_SIZE_MAX_EXT 0x8127
#define GL_POINT_FADE_THRESHOLD_SIZE_EXT 0x8128
#define GL_DISTANCE_ATTENUATION_EXT 0x8129
#endif
#ifndef GL_ARB_multitexture
#define GL_TEXTURE0_ARB 0x84C0
#define GL_TEXTURE1_ARB 0x84C1
#define GL_TEXTURE2_ARB 0x84C2
#define GL_TEXTURE3_ARB 0x84C3
#define GL_TEXTURE4_ARB 0x84C4
#define GL_TEXTURE5_ARB 0x84C5
#define GL_TEXTURE6_ARB 0x84C6
#define GL_TEXTURE7_ARB 0x84C7
#define GL_TEXTURE8_ARB 0x84C8
#define GL_TEXTURE9_ARB 0x84C9
#define GL_TEXTURE10_ARB 0x84CA
#define GL_TEXTURE11_ARB 0x84CB
#define GL_TEXTURE12_ARB 0x84CC
#define GL_TEXTURE13_ARB 0x84CD
#define GL_TEXTURE14_ARB 0x84CE
#define GL_TEXTURE15_ARB 0x84CF
#define GL_TEXTURE16_ARB 0x84D0
#define GL_TEXTURE17_ARB 0x84D1
#define GL_TEXTURE18_ARB 0x84D2
#define GL_TEXTURE19_ARB 0x84D3
#define GL_TEXTURE20_ARB 0x84D4
#define GL_TEXTURE21_ARB 0x84D5
#define GL_TEXTURE22_ARB 0x84D6
#define GL_TEXTURE23_ARB 0x84D7
#define GL_TEXTURE24_ARB 0x84D8
#define GL_TEXTURE25_ARB 0x84D9
#define GL_TEXTURE26_ARB 0x84DA
#define GL_TEXTURE27_ARB 0x84DB
#define GL_TEXTURE28_ARB 0x84DC
#define GL_TEXTURE29_ARB 0x84DD
#define GL_TEXTURE30_ARB 0x84DE
#define GL_TEXTURE31_ARB 0x84DF
#define GL_ACTIVE_TEXTURE_ARB 0x84E0
#define GL_CLIENT_ACTIVE_TEXTURE_ARB 0x84E1
#define GL_MAX_TEXTURE_UNITS_ARB 0x84E2
#endif
/* Standard OpenGL external function defs */
typedef void (GLAPIENTRY *QF_glBlendColor) (GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
typedef void (GLAPIENTRY *QF_glBlendEquation) (GLenum mode);
typedef void (GLAPIENTRY *QF_glDrawRangeElements) (GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
typedef void (GLAPIENTRY *QF_glColorTable) (GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
typedef void (GLAPIENTRY *QF_glColorTableParameterfv) (GLenum target, GLenum pname, const GLfloat *params);
typedef void (GLAPIENTRY *QF_glColorTableParameteriv) (GLenum target, GLenum pname, const GLint *params);
typedef void (GLAPIENTRY *QF_glCopyColorTable) (GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
typedef void (GLAPIENTRY *QF_glGetColorTable) (GLenum target, GLenum format, GLenum type, GLvoid *table);
typedef void (GLAPIENTRY *QF_glGetColorTableParameterfv) (GLenum target, GLenum pname, GLfloat *params);
typedef void (GLAPIENTRY *QF_glGetColorTableParameteriv) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRY *QF_glColorSubTable) (GLenum target, GLsizei start, GLsizei count, GLenum format, GLenum type, const GLvoid *data);
typedef void (GLAPIENTRY *QF_glCopyColorSubTable) (GLenum target, GLsizei start, GLint x, GLint y, GLsizei width);
typedef void (GLAPIENTRY *QF_glConvolutionFilter1D) (GLenum target, GLenum internalformat, GLsizei width, GLenum format, GLenum type, const GLvoid *image);
typedef void (GLAPIENTRY *QF_glConvolutionFilter2D) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *image);
typedef void (GLAPIENTRY *QF_glConvolutionParameterf) (GLenum target, GLenum pname, GLfloat params);
typedef void (GLAPIENTRY *QF_glConvolutionParameterfv) (GLenum target, GLenum pname, const GLfloat *params);
typedef void (GLAPIENTRY *QF_glConvolutionParameteri) (GLenum target, GLenum pname, GLint params);
typedef void (GLAPIENTRY *QF_glConvolutionParameteriv) (GLenum target, GLenum pname, const GLint *params);
typedef void (GLAPIENTRY *QF_glCopyConvolutionFilter1D) (GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width);
typedef void (GLAPIENTRY *QF_glCopyConvolutionFilter2D) (GLenum target, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height);
typedef void (GLAPIENTRY *QF_glGetConvolutionFilter) (GLenum target, GLenum format, GLenum type, GLvoid *image);
typedef void (GLAPIENTRY *QF_glGetConvolutionParameterfv) (GLenum target, GLenum pname, GLfloat *params);
typedef void (GLAPIENTRY *QF_glGetConvolutionParameteriv) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRY *QF_glGetSeparableFilter) (GLenum target, GLenum format, GLenum type, GLvoid *row, GLvoid *column, GLvoid *span);
typedef void (GLAPIENTRY *QF_glSeparableFilter2D) (GLenum target, GLenum internalformat, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *row, const GLvoid *column);
typedef void (GLAPIENTRY *QF_glGetHistogram) (GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values);
typedef void (GLAPIENTRY *QF_glGetHistogramParameterfv) (GLenum target, GLenum pname, GLfloat *params);
typedef void (GLAPIENTRY *QF_glGetHistogramParameteriv) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRY *QF_glGetMinmax) (GLenum target, GLboolean reset, GLenum format, GLenum type, GLvoid *values);
typedef void (GLAPIENTRY *QF_glGetMinmaxParameterfv) (GLenum target, GLenum pname, GLfloat *params);
typedef void (GLAPIENTRY *QF_glGetMinmaxParameteriv) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRY *QF_glHistogram) (GLenum target, GLsizei width, GLenum internalformat, GLboolean sink);
typedef void (GLAPIENTRY *QF_glMinmax) (GLenum target, GLenum internalformat, GLboolean sink);
typedef void (GLAPIENTRY *QF_glResetHistogram) (GLenum target);
typedef void (GLAPIENTRY *QF_glResetMinmax) (GLenum target);
typedef void (GLAPIENTRY *QF_glTexImage3D) (GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
typedef void (GLAPIENTRY *QF_glTexSubImage3D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
typedef void (GLAPIENTRY *QF_glCopyTexSubImage3D) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
// GL_ARB_multitexture
typedef void (GLAPIENTRY *QF_glActiveTextureARB) (GLenum texture);
typedef void (GLAPIENTRY *QF_glClientActiveTextureARB) (GLenum texture);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1dARB) (GLenum target, GLdouble s);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2dARB) (GLenum target, GLdouble s, GLdouble t);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3dARB) (GLenum target, GLdouble s, GLdouble t, GLdouble r);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4dARB) (GLenum target, GLdouble s, GLdouble t, GLdouble r, GLdouble q);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1dvARB) (GLenum target, const GLdouble *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2dvARB) (GLenum target, const GLdouble *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3dvARB) (GLenum target, const GLdouble *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4dvARB) (GLenum target, const GLdouble *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1fARB) (GLenum target, GLfloat s);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2fARB) (GLenum target, GLfloat s, GLfloat t);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3fARB) (GLenum target, GLfloat s, GLfloat t, GLfloat r);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4fARB) (GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1fvARB) (GLenum target, const GLfloat *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2fvARB) (GLenum target, const GLfloat *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3fvARB) (GLenum target, const GLfloat *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4fvARB) (GLenum target, const GLfloat *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1iARB) (GLenum target, GLint s);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2iARB) (GLenum target, GLint s, GLint t);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3iARB) (GLenum target, GLint s, GLint t, GLint r);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4iARB) (GLenum target, GLint s, GLint t, GLint r, GLint q);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1ivARB) (GLenum target, const GLint *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2ivARB) (GLenum target, const GLint *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3ivARB) (GLenum target, const GLint *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4ivARB) (GLenum target, const GLint *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1sARB) (GLenum target, GLshort s);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2sARB) (GLenum target, GLshort s, GLshort t);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3sARB) (GLenum target, GLshort s, GLshort t, GLshort r);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4sARB) (GLenum target, GLshort s, GLshort t, GLshort r, GLshort q);
typedef void (GLAPIENTRY *QF_glMultiTexCoord1svARB) (GLenum target, const GLshort *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord2svARB) (GLenum target, const GLshort *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord3svARB) (GLenum target, const GLshort *v);
typedef void (GLAPIENTRY *QF_glMultiTexCoord4svARB) (GLenum target, const GLshort *v);
// GL_EXT_paletted_texture
typedef void (GLAPIENTRY *QF_glColorTableEXT) (GLenum target, GLenum internalFormat, GLsizei width, GLenum format, GLenum type, const GLvoid *table);
typedef void (GLAPIENTRY *QF_glGetColorTableEXT) (GLenum target, GLenum format, GLenum type, GLvoid *data);
typedef void (GLAPIENTRY *QF_glGetColorTableParameterivEXT) (GLenum target, GLenum pname, GLint *params);
typedef void (GLAPIENTRY *QF_glGetColorTableParameterfvEXT) (GLenum target, GLenum pname, GLfloat *params);
// GL_EXT_point_parameters
typedef void (GLAPIENTRY *QF_glPointParameterfEXT) (GLenum pname, GLfloat param);
typedef void (GLAPIENTRY *QF_glPointParameterfvEXT) (GLenum pname, const GLfloat *params);
// GL_EXT_subtexture
typedef void (GLAPIENTRY *QF_glTexSubImage1DEXT) (GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
typedef void (GLAPIENTRY *QF_glTexSubImage2DEXT) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
// GL_EXT_texture_object
typedef GLboolean (GLAPIENTRY *QF_glAreTexturesResidentEXT) (GLsizei n, const GLuint *textures, GLboolean *residences);
typedef void (GLAPIENTRY *QF_glBindTextureEXT) (GLenum target, GLuint texture);
typedef void (GLAPIENTRY *QF_glDeleteTexturesEXT) (GLsizei n, const GLuint *textures);
typedef void (GLAPIENTRY *QF_glGenTexturesEXT) (GLsizei n, GLuint *textures);
typedef GLboolean (GLAPIENTRY *QF_glIsTextureEXT) (GLuint texture);
typedef void (GLAPIENTRY *QF_glPrioritizeTexturesEXT) (GLsizei n, const GLuint *textures, const GLclampf *priorities);
// GL_EXT_vertex_array
typedef void (GLAPIENTRY *QF_glArrayElementEXT) (GLint i);
typedef void (GLAPIENTRY *QF_glColorPointerEXT) (GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
typedef void (GLAPIENTRY *QF_glDrawArraysEXT) (GLenum mode, GLint first, GLsizei count);
typedef void (GLAPIENTRY *QF_glEdgeFlagPointerEXT) (GLsizei stride, GLsizei count, const GLboolean *pointer);
typedef void (GLAPIENTRY *QF_glGetPointervEXT) (GLenum pname, GLvoid* *params);
typedef void (GLAPIENTRY *QF_glIndexPointerEXT) (GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
typedef void (GLAPIENTRY *QF_glNormalPointerEXT) (GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
typedef void (GLAPIENTRY *QF_glTexCoordPointerEXT) (GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
typedef void (GLAPIENTRY *QF_glVertexPointerEXT) (GLint size, GLenum type, GLsizei stride, GLsizei count, const GLvoid *pointer);
// 3Dfx
typedef void (GLAPIENTRY *QF_gl3DfxSetPaletteEXT) (GLuint *pal);
// GLX 1.3
typedef void *(GLAPIENTRY *QF_glXGetProcAddressARB) (const GLubyte *procName);
// WGL (Windows GL)
typedef const GLubyte *(GLAPIENTRY *QF_wglGetExtensionsStringEXT) (void);
/* QuakeForge extension functions */
qboolean QFGL_ExtensionPresent (const char *);
void *QFGL_ExtensionAddress (const char *);
#endif // __qfgl_ext_h_
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