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Den Code des Icculus OpenGL Renderer eingefügt

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Yamagi Burmeister 2009-03-05 09:07:55 +00:00
parent 871936b72a
commit d2435d0c2f
15 changed files with 10686 additions and 0 deletions
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181
src/refresh/opengl/constants/anorms.h Normal file
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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
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37
src/refresh/opengl/constants/anormtab.h Normal file
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@ -0,0 +1,37 @@
/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
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{1.60,1.78,1.68,1.93,1.86,1.71,1.97,1.99,1.99,1.97,1.93,1.60,1.68,1.78,1.86,1.61,1.57,1.79,1.37,1.48,1.59,1.72,1.79,1.92,1.90,1.38,1.35,1.60,1.23,1.30,1.47,1.56,1.71,1.88,1.79,1.92,1.79,1.79,1.30,1.56,1.35,1.37,1.59,1.38,1.60,1.90,1.48,1.72,1.57,1.61,1.79,1.21,1.00,1.30,0.89,0.94,0.96,1.07,1.14,1.40,1.37,1.14,0.96,0.98,0.82,0.88,0.82,0.89,0.83,0.86,0.91,1.02,0.93,1.07,0.87,0.94,1.11,1.02,0.93,0.93,0.82,0.87,0.80,0.85,0.79,0.80,0.85,0.77,0.72,0.74,0.71,0.70,0.70,0.71,0.72,0.77,0.74,0.72,0.76,0.73,0.82,0.79,0.76,0.73,0.79,0.76,0.93,0.86,0.91,0.83,0.89,0.89,0.82,0.72,0.76,0.76,0.89,0.82,0.89,0.82,0.89,0.91,0.83,0.96,1.14,0.97,1.40,1.44,1.19,1.22,0.99,0.98,1.49,1.44,1.49,1.22,0.99,1.23,0.98,1.19,0.97,1.21,1.30,1.00,1.37,0.94,1.07,1.14,0.98,0.96,0.86,0.91,0.83,0.88,0.82,0.89,1.11,0.94,1.07,0.73,0.76,0.79,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00},
{1.46,1.65,1.60,1.82,1.80,1.71,1.93,1.91,1.99,1.94,1.98,1.74,1.76,1.89,1.89,1.42,1.34,1.61,1.11,1.22,1.36,1.50,1.61,1.81,1.75,1.15,1.17,1.41,1.18,1.19,1.42,1.44,1.65,1.83,1.67,1.94,1.81,1.88,1.32,1.58,1.45,1.57,1.74,1.53,1.70,1.98,1.69,1.87,1.77,1.79,1.92,1.45,1.27,1.55,0.97,1.07,1.11,1.34,1.37,1.59,1.60,1.35,1.07,1.18,0.86,0.93,0.87,0.96,0.90,0.93,0.99,1.03,0.95,1.15,0.90,0.99,1.27,0.98,0.90,0.92,0.78,0.83,0.77,0.84,0.79,0.82,0.86,0.73,0.71,0.73,0.72,0.70,0.73,0.72,0.76,0.81,0.76,0.76,0.82,0.77,0.89,0.85,0.82,0.75,0.80,0.80,0.94,0.88,0.94,0.87,0.95,0.96,0.88,0.72,0.74,0.76,0.83,0.78,0.84,0.79,0.87,0.91,0.83,0.89,0.98,0.92,1.23,1.34,1.05,1.16,0.99,0.96,1.46,1.57,1.54,1.33,1.05,1.26,1.08,1.37,1.10,0.98,1.03,0.92,1.14,0.86,0.95,0.97,0.90,0.89,0.79,0.84,0.77,0.82,0.76,0.82,0.97,0.89,0.98,0.71,0.72,0.74,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00},
{1.34,1.51,1.53,1.67,1.72,1.71,1.80,1.77,1.91,1.86,1.98,1.86,1.82,1.95,1.89,1.24,1.10,1.41,0.95,0.99,1.09,1.25,1.37,1.63,1.55,0.96,0.98,1.16,1.05,1.00,1.27,1.23,1.50,1.69,1.46,1.86,1.72,1.87,1.24,1.49,1.44,1.69,1.80,1.59,1.69,1.97,1.82,1.94,1.91,1.92,1.99,1.63,1.50,1.74,1.16,1.33,1.38,1.58,1.60,1.77,1.80,1.48,1.21,1.37,0.90,0.97,0.93,1.05,0.97,1.04,1.21,0.99,0.95,1.14,0.92,1.02,1.34,0.94,0.86,0.90,0.74,0.79,0.75,0.81,0.79,0.84,0.86,0.71,0.71,0.73,0.76,0.73,0.77,0.74,0.80,0.85,0.78,0.81,0.89,0.84,0.97,0.92,0.88,0.79,0.85,0.86,0.98,0.92,1.00,0.93,1.06,1.12,0.95,0.74,0.74,0.78,0.79,0.76,0.82,0.79,0.87,0.93,0.85,0.85,0.94,0.90,1.09,1.27,0.99,1.17,1.05,0.96,1.46,1.71,1.62,1.48,1.20,1.34,1.28,1.57,1.35,0.90,0.94,0.85,0.98,0.81,0.89,0.89,0.83,0.82,0.75,0.78,0.73,0.77,0.72,0.76,0.89,0.83,0.91,0.71,0.70,0.72,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00},
{1.26,1.39,1.48,1.51,1.64,1.71,1.60,1.58,1.77,1.74,1.91,1.94,1.87,1.97,1.85,1.10,0.97,1.22,0.88,0.92,0.95,1.01,1.11,1.39,1.32,0.88,0.90,0.97,0.96,0.93,1.05,0.99,1.27,1.47,1.20,1.70,1.54,1.76,1.08,1.31,1.33,1.70,1.76,1.55,1.57,1.88,1.85,1.91,1.97,1.99,1.99,1.70,1.65,1.85,1.41,1.54,1.61,1.76,1.80,1.91,1.93,1.52,1.26,1.48,0.92,0.99,0.97,1.18,1.09,1.28,1.39,0.94,0.93,1.05,0.92,1.01,1.31,0.88,0.81,0.86,0.72,0.75,0.74,0.79,0.79,0.86,0.85,0.71,0.73,0.75,0.82,0.77,0.83,0.78,0.85,0.88,0.81,0.88,0.97,0.90,1.18,1.00,0.93,0.86,0.92,0.94,1.14,0.99,1.24,1.03,1.33,1.39,1.11,0.79,0.77,0.84,0.79,0.77,0.84,0.83,0.90,0.98,0.91,0.85,0.92,0.91,1.02,1.26,1.00,1.23,1.19,0.99,1.50,1.84,1.71,1.64,1.38,1.46,1.51,1.76,1.59,0.84,0.88,0.80,0.94,0.79,0.86,0.82,0.77,0.76,0.74,0.74,0.71,0.73,0.70,0.72,0.82,0.77,0.85,0.74,0.70,0.73,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00,1.00}
}

51
src/refresh/opengl/constants/warpsin.h Normal file
View file

@ -0,0 +1,51 @@
/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
0, 0.19633, 0.392541, 0.588517, 0.784137, 0.979285, 1.17384, 1.3677,
1.56072, 1.75281, 1.94384, 2.1337, 2.32228, 2.50945, 2.69512, 2.87916,
3.06147, 3.24193, 3.42044, 3.59689, 3.77117, 3.94319, 4.11282, 4.27998,
4.44456, 4.60647, 4.76559, 4.92185, 5.07515, 5.22538, 5.37247, 5.51632,
5.65685, 5.79398, 5.92761, 6.05767, 6.18408, 6.30677, 6.42566, 6.54068,
6.65176, 6.75883, 6.86183, 6.9607, 7.05537, 7.14579, 7.23191, 7.31368,
7.39104, 7.46394, 7.53235, 7.59623, 7.65552, 7.71021, 7.76025, 7.80562,
7.84628, 7.88222, 7.91341, 7.93984, 7.96148, 7.97832, 7.99036, 7.99759,
8, 7.99759, 7.99036, 7.97832, 7.96148, 7.93984, 7.91341, 7.88222,
7.84628, 7.80562, 7.76025, 7.71021, 7.65552, 7.59623, 7.53235, 7.46394,
7.39104, 7.31368, 7.23191, 7.14579, 7.05537, 6.9607, 6.86183, 6.75883,
6.65176, 6.54068, 6.42566, 6.30677, 6.18408, 6.05767, 5.92761, 5.79398,
5.65685, 5.51632, 5.37247, 5.22538, 5.07515, 4.92185, 4.76559, 4.60647,
4.44456, 4.27998, 4.11282, 3.94319, 3.77117, 3.59689, 3.42044, 3.24193,
3.06147, 2.87916, 2.69512, 2.50945, 2.32228, 2.1337, 1.94384, 1.75281,
1.56072, 1.3677, 1.17384, 0.979285, 0.784137, 0.588517, 0.392541, 0.19633,
9.79717e-16, -0.19633, -0.392541, -0.588517, -0.784137, -0.979285, -1.17384, -1.3677,
-1.56072, -1.75281, -1.94384, -2.1337, -2.32228, -2.50945, -2.69512, -2.87916,
-3.06147, -3.24193, -3.42044, -3.59689, -3.77117, -3.94319, -4.11282, -4.27998,
-4.44456, -4.60647, -4.76559, -4.92185, -5.07515, -5.22538, -5.37247, -5.51632,
-5.65685, -5.79398, -5.92761, -6.05767, -6.18408, -6.30677, -6.42566, -6.54068,
-6.65176, -6.75883, -6.86183, -6.9607, -7.05537, -7.14579, -7.23191, -7.31368,
-7.39104, -7.46394, -7.53235, -7.59623, -7.65552, -7.71021, -7.76025, -7.80562,
-7.84628, -7.88222, -7.91341, -7.93984, -7.96148, -7.97832, -7.99036, -7.99759,
-8, -7.99759, -7.99036, -7.97832, -7.96148, -7.93984, -7.91341, -7.88222,
-7.84628, -7.80562, -7.76025, -7.71021, -7.65552, -7.59623, -7.53235, -7.46394,
-7.39104, -7.31368, -7.23191, -7.14579, -7.05537, -6.9607, -6.86183, -6.75883,
-6.65176, -6.54068, -6.42566, -6.30677, -6.18408, -6.05767, -5.92761, -5.79398,
-5.65685, -5.51632, -5.37247, -5.22538, -5.07515, -4.92185, -4.76559, -4.60647,
-4.44456, -4.27998, -4.11282, -3.94319, -3.77117, -3.59689, -3.42044, -3.24193,
-3.06147, -2.87916, -2.69512, -2.50945, -2.32228, -2.1337, -1.94384, -1.75281,
-1.56072, -1.3677, -1.17384, -0.979285, -0.784137, -0.588517, -0.392541, -0.19633,

415
src/refresh/opengl/gl_draw.c Normal file
View file

@ -0,0 +1,415 @@
/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// draw.c
#include "gl_local.h"
image_t *draw_chars;
extern qboolean scrap_dirty;
void Scrap_Upload (void);
/*
===============
Draw_InitLocal
===============
*/
void Draw_InitLocal (void)
{
// load console characters (don't bilerp characters)
draw_chars = GL_FindImage ("pics/conchars.pcx", it_pic);
GL_Bind( draw_chars->texnum );
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
}
/*
================
Draw_Char
Draws one 8*8 graphics character with 0 being transparent.
It can be clipped to the top of the screen to allow the console to be
smoothly scrolled off.
================
*/
void Draw_Char (int x, int y, int num)
{
int row, col;
float frow, fcol, size;
num &= 255;
if ( (num&127) == 32 )
return; // space
if (y <= -8)
return; // totally off screen
row = num>>4;
col = num&15;
frow = row*0.0625;
fcol = col*0.0625;
size = 0.0625;
GL_Bind (draw_chars->texnum);
qglBegin (GL_QUADS);
qglTexCoord2f (fcol, frow);
qglVertex2f (x, y);
qglTexCoord2f (fcol + size, frow);
qglVertex2f (x+8, y);
qglTexCoord2f (fcol + size, frow + size);
qglVertex2f (x+8, y+8);
qglTexCoord2f (fcol, frow + size);
qglVertex2f (x, y+8);
qglEnd ();
}
/*
=============
Draw_FindPic
=============
*/
image_t *Draw_FindPic (char *name)
{
image_t *gl;
char fullname[MAX_QPATH];
if (name[0] != '/' && name[0] != '\\')
{
Com_sprintf (fullname, sizeof(fullname), "pics/%s.pcx", name);
gl = GL_FindImage (fullname, it_pic);
}
else
gl = GL_FindImage (name+1, it_pic);
return gl;
}
/*
=============
Draw_GetPicSize
=============
*/
void Draw_GetPicSize (int *w, int *h, char *pic)
{
image_t *gl;
gl = Draw_FindPic (pic);
if (!gl)
{
*w = *h = -1;
return;
}
*w = gl->width;
*h = gl->height;
}
/*
=============
Draw_StretchPic
=============
*/
void Draw_StretchPic (int x, int y, int w, int h, char *pic)
{
image_t *gl;
gl = Draw_FindPic (pic);
if (!gl)
{
ri.Con_Printf (PRINT_ALL, "Can't find pic: %s\n", pic);
return;
}
if (scrap_dirty)
Scrap_Upload ();
if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
qglDisable (GL_ALPHA_TEST);
GL_Bind (gl->texnum);
qglBegin (GL_QUADS);
qglTexCoord2f (gl->sl, gl->tl);
qglVertex2f (x, y);
qglTexCoord2f (gl->sh, gl->tl);
qglVertex2f (x+w, y);
qglTexCoord2f (gl->sh, gl->th);
qglVertex2f (x+w, y+h);
qglTexCoord2f (gl->sl, gl->th);
qglVertex2f (x, y+h);
qglEnd ();
if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
qglEnable (GL_ALPHA_TEST);
}
/*
=============
Draw_Pic
=============
*/
void Draw_Pic (int x, int y, char *pic)
{
image_t *gl;
gl = Draw_FindPic (pic);
if (!gl)
{
ri.Con_Printf (PRINT_ALL, "Can't find pic: %s\n", pic);
return;
}
if (scrap_dirty)
Scrap_Upload ();
if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
qglDisable (GL_ALPHA_TEST);
GL_Bind (gl->texnum);
qglBegin (GL_QUADS);
qglTexCoord2f (gl->sl, gl->tl);
qglVertex2f (x, y);
qglTexCoord2f (gl->sh, gl->tl);
qglVertex2f (x+gl->width, y);
qglTexCoord2f (gl->sh, gl->th);
qglVertex2f (x+gl->width, y+gl->height);
qglTexCoord2f (gl->sl, gl->th);
qglVertex2f (x, y+gl->height);
qglEnd ();
if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !gl->has_alpha)
qglEnable (GL_ALPHA_TEST);
}
/*
=============
Draw_TileClear
This repeats a 64*64 tile graphic to fill the screen around a sized down
refresh window.
=============
*/
void Draw_TileClear (int x, int y, int w, int h, char *pic)
{
image_t *image;
image = Draw_FindPic (pic);
if (!image)
{
ri.Con_Printf (PRINT_ALL, "Can't find pic: %s\n", pic);
return;
}
if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !image->has_alpha)
qglDisable (GL_ALPHA_TEST);
GL_Bind (image->texnum);
qglBegin (GL_QUADS);
qglTexCoord2f (x/64.0, y/64.0);
qglVertex2f (x, y);
qglTexCoord2f ( (x+w)/64.0, y/64.0);
qglVertex2f (x+w, y);
qglTexCoord2f ( (x+w)/64.0, (y+h)/64.0);
qglVertex2f (x+w, y+h);
qglTexCoord2f ( x/64.0, (y+h)/64.0 );
qglVertex2f (x, y+h);
qglEnd ();
if ( ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) ) && !image->has_alpha)
qglEnable (GL_ALPHA_TEST);
}
/*
=============
Draw_Fill
Fills a box of pixels with a single color
=============
*/
void Draw_Fill (int x, int y, int w, int h, int c)
{
union
{
unsigned c;
byte v[4];
} color;
if ( (unsigned)c > 255)
ri.Sys_Error (ERR_FATAL, "Draw_Fill: bad color");
qglDisable (GL_TEXTURE_2D);
color.c = d_8to24table[c];
qglColor3f (color.v[0]/255.0,
color.v[1]/255.0,
color.v[2]/255.0);
qglBegin (GL_QUADS);
qglVertex2f (x,y);
qglVertex2f (x+w, y);
qglVertex2f (x+w, y+h);
qglVertex2f (x, y+h);
qglEnd ();
qglColor3f (1,1,1);
qglEnable (GL_TEXTURE_2D);
}
//=============================================================================
/*
================
Draw_FadeScreen
================
*/
void Draw_FadeScreen (void)
{
qglEnable (GL_BLEND);
qglDisable (GL_TEXTURE_2D);
qglColor4f (0, 0, 0, 0.8);
qglBegin (GL_QUADS);
qglVertex2f (0,0);
qglVertex2f (vid.width, 0);
qglVertex2f (vid.width, vid.height);
qglVertex2f (0, vid.height);
qglEnd ();
qglColor4f (1,1,1,1);
qglEnable (GL_TEXTURE_2D);
qglDisable (GL_BLEND);
}
//====================================================================
/*
=============
Draw_StretchRaw
=============
*/
extern unsigned r_rawpalette[256];
void Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data)
{
unsigned image32[256*256];
unsigned char image8[256*256];
int i, j, trows;
byte *source;
int frac, fracstep;
float hscale;
int row;
float t;
GL_Bind (0);
if (rows<=256)
{
hscale = 1;
trows = rows;
}
else
{
hscale = rows/256.0;
trows = 256;
}
t = rows*hscale / 256 - 1.0/512.0;
if ( !qglColorTableEXT )
{
unsigned *dest;
for (i=0 ; i<trows ; i++)
{
row = (int)(i*hscale);
if (row > rows)
break;
source = data + cols*row;
dest = &image32[i*256];
fracstep = cols*0x10000/256;
frac = fracstep >> 1;
for (j=0 ; j<256 ; j++)
{
dest[j] = r_rawpalette[source[frac>>16]];
frac += fracstep;
}
}
qglTexImage2D (GL_TEXTURE_2D, 0, gl_tex_solid_format, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, image32);
}
else
{
unsigned char *dest;
for (i=0 ; i<trows ; i++)
{
row = (int)(i*hscale);
if (row > rows)
break;
source = data + cols*row;
dest = &image8[i*256];
fracstep = cols*0x10000/256;
frac = fracstep >> 1;
for (j=0 ; j<256 ; j++)
{
dest[j] = source[frac>>16];
frac += fracstep;
}
}
qglTexImage2D( GL_TEXTURE_2D,
0,
GL_COLOR_INDEX8_EXT,
256, 256,
0,
GL_COLOR_INDEX,
GL_UNSIGNED_BYTE,
image8 );
}
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) )
qglDisable (GL_ALPHA_TEST);
qglBegin (GL_QUADS);
qglTexCoord2f (1.0/512.0, 1.0/512.0);
qglVertex2f (x, y);
qglTexCoord2f (511.0/512.0, 1.0/512.0);
qglVertex2f (x+w, y);
qglTexCoord2f (511.0/512.0, t);
qglVertex2f (x+w, y+h);
qglTexCoord2f (1.0/512.0, t);
qglVertex2f (x, y+h);
qglEnd ();
if ( ( gl_config.renderer == GL_RENDERER_MCD ) || ( gl_config.renderer & GL_RENDERER_RENDITION ) )
qglEnable (GL_ALPHA_TEST);
}

1623
src/refresh/opengl/gl_image.c Normal file
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729
src/refresh/opengl/gl_light.c Normal file
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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// r_light.c
#include "gl_local.h"
int r_dlightframecount;
#define DLIGHT_CUTOFF 64
/*
=============================================================================
DYNAMIC LIGHTS BLEND RENDERING
=============================================================================
*/
void R_RenderDlight (dlight_t *light)
{
int i, j;
float a;
vec3_t v;
float rad;
rad = light->intensity * 0.35;
VectorSubtract (light->origin, r_origin, v);
#if 0
// FIXME?
if (VectorLength (v) < rad)
{ // view is inside the dlight
V_AddBlend (light->color[0], light->color[1], light->color[2], light->intensity * 0.0003, v_blend);
return;
}
#endif
qglBegin (GL_TRIANGLE_FAN);
qglColor3f (light->color[0]*0.2, light->color[1]*0.2, light->color[2]*0.2);
for (i=0 ; i<3 ; i++)
v[i] = light->origin[i] - vpn[i]*rad;
qglVertex3fv (v);
qglColor3f (0,0,0);
for (i=16 ; i>=0 ; i--)
{
a = i/16.0 * M_PI*2;
for (j=0 ; j<3 ; j++)
v[j] = light->origin[j] + vright[j]*cos(a)*rad
+ vup[j]*sin(a)*rad;
qglVertex3fv (v);
}
qglEnd ();
}
/*
=============
R_RenderDlights
=============
*/
void R_RenderDlights (void)
{
int i;
dlight_t *l;
if (!gl_flashblend->value)
return;
r_dlightframecount = r_framecount + 1; // because the count hasn't
// advanced yet for this frame
qglDepthMask (0);
qglDisable (GL_TEXTURE_2D);
qglShadeModel (GL_SMOOTH);
qglEnable (GL_BLEND);
qglBlendFunc (GL_ONE, GL_ONE);
l = r_newrefdef.dlights;
for (i=0 ; i<r_newrefdef.num_dlights ; i++, l++)
R_RenderDlight (l);
qglColor3f (1,1,1);
qglDisable (GL_BLEND);
qglEnable (GL_TEXTURE_2D);
qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
qglDepthMask (1);
}
/*
=============================================================================
DYNAMIC LIGHTS
=============================================================================
*/
/*
=============
R_MarkLights
=============
*/
void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
{
cplane_t *splitplane;
float dist;
msurface_t *surf;
int i;
if (node->contents != -1)
return;
splitplane = node->plane;
dist = DotProduct (light->origin, splitplane->normal) - splitplane->dist;
if (dist > light->intensity-DLIGHT_CUTOFF)
{
R_MarkLights (light, bit, node->children[0]);
return;
}
if (dist < -light->intensity+DLIGHT_CUTOFF)
{
R_MarkLights (light, bit, node->children[1]);
return;
}
// mark the polygons
surf = r_worldmodel->surfaces + node->firstsurface;
for (i=0 ; i<node->numsurfaces ; i++, surf++)
{
if (surf->dlightframe != r_dlightframecount)
{
surf->dlightbits = 0;
surf->dlightframe = r_dlightframecount;
}
surf->dlightbits |= bit;
}
R_MarkLights (light, bit, node->children[0]);
R_MarkLights (light, bit, node->children[1]);
}
/*
=============
R_PushDlights
=============
*/
void R_PushDlights (void)
{
int i;
dlight_t *l;
if (gl_flashblend->value)
return;
r_dlightframecount = r_framecount + 1; // because the count hasn't
// advanced yet for this frame
l = r_newrefdef.dlights;
for (i=0 ; i<r_newrefdef.num_dlights ; i++, l++)
R_MarkLights ( l, 1<<i, r_worldmodel->nodes );
}
/*
=============================================================================
LIGHT SAMPLING
=============================================================================
*/
vec3_t pointcolor;
cplane_t *lightplane; // used as shadow plane
vec3_t lightspot;
int RecursiveLightPoint (mnode_t *node, vec3_t start, vec3_t end)
{
float front, back, frac;
int side;
cplane_t *plane;
vec3_t mid;
msurface_t *surf;
int s, t, ds, dt;
int i;
mtexinfo_t *tex;
byte *lightmap;
int maps;
int r;
if (node->contents != -1)
return -1; // didn't hit anything
// calculate mid point
// FIXME: optimize for axial
plane = node->plane;
front = DotProduct (start, plane->normal) - plane->dist;
back = DotProduct (end, plane->normal) - plane->dist;
side = front < 0;
if ( (back < 0) == side)
return RecursiveLightPoint (node->children[side], start, end);
frac = front / (front-back);
mid[0] = start[0] + (end[0] - start[0])*frac;
mid[1] = start[1] + (end[1] - start[1])*frac;
mid[2] = start[2] + (end[2] - start[2])*frac;
// go down front side
r = RecursiveLightPoint (node->children[side], start, mid);
if (r >= 0)
return r; // hit something
if ( (back < 0) == side )
return -1; // didn't hit anuthing
// check for impact on this node
VectorCopy (mid, lightspot);
lightplane = plane;
surf = r_worldmodel->surfaces + node->firstsurface;
for (i=0 ; i<node->numsurfaces ; i++, surf++)
{
if (surf->flags&(SURF_DRAWTURB|SURF_DRAWSKY))
continue; // no lightmaps
tex = surf->texinfo;
s = DotProduct (mid, tex->vecs[0]) + tex->vecs[0][3];
t = DotProduct (mid, tex->vecs[1]) + tex->vecs[1][3];;
if (s < surf->texturemins[0] ||
t < surf->texturemins[1])
continue;
ds = s - surf->texturemins[0];
dt = t - surf->texturemins[1];
if ( ds > surf->extents[0] || dt > surf->extents[1] )
continue;
if (!surf->samples)
return 0;
ds >>= 4;
dt >>= 4;
lightmap = surf->samples;
VectorCopy (vec3_origin, pointcolor);
if (lightmap)
{
vec3_t scale;
lightmap += 3*(dt * ((surf->extents[0]>>4)+1) + ds);
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
for (i=0 ; i<3 ; i++)
scale[i] = gl_modulate->value*r_newrefdef.lightstyles[surf->styles[maps]].rgb[i];
pointcolor[0] += lightmap[0] * scale[0] * (1.0/255);
pointcolor[1] += lightmap[1] * scale[1] * (1.0/255);
pointcolor[2] += lightmap[2] * scale[2] * (1.0/255);
lightmap += 3*((surf->extents[0]>>4)+1) *
((surf->extents[1]>>4)+1);
}
}
return 1;
}
// go down back side
return RecursiveLightPoint (node->children[!side], mid, end);
}
/*
===============
R_LightPoint
===============
*/
void R_LightPoint (vec3_t p, vec3_t color)
{
vec3_t end;
float r;
int lnum;
dlight_t *dl;
float light;
vec3_t dist;
float add;
if (!r_worldmodel->lightdata)
{
color[0] = color[1] = color[2] = 1.0;
return;
}
end[0] = p[0];
end[1] = p[1];
end[2] = p[2] - 2048;
r = RecursiveLightPoint (r_worldmodel->nodes, p, end);
if (r == -1)
{
VectorCopy (vec3_origin, color);
}
else
{
VectorCopy (pointcolor, color);
}
//
// add dynamic lights
//
light = 0;
dl = r_newrefdef.dlights;
for (lnum=0 ; lnum<r_newrefdef.num_dlights ; lnum++, dl++)
{
VectorSubtract (currententity->origin,
dl->origin,
dist);
add = dl->intensity - VectorLength(dist);
add *= (1.0/256);
if (add > 0)
{
VectorMA (color, add, dl->color, color);
}
}
VectorScale (color, gl_modulate->value, color);
}
//===================================================================
static float s_blocklights[34*34*3];
/*
===============
R_AddDynamicLights
===============
*/
void R_AddDynamicLights (msurface_t *surf)
{
int lnum;
int sd, td;
float fdist, frad, fminlight;
vec3_t impact, local;
int s, t;
int i;
int smax, tmax;
mtexinfo_t *tex;
dlight_t *dl;
float *pfBL;
float fsacc, ftacc;
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
tex = surf->texinfo;
for (lnum=0 ; lnum<r_newrefdef.num_dlights ; lnum++)
{
if ( !(surf->dlightbits & (1<<lnum) ) )
continue; // not lit by this light
dl = &r_newrefdef.dlights[lnum];
frad = dl->intensity;
fdist = DotProduct (dl->origin, surf->plane->normal) -
surf->plane->dist;
frad -= fabs(fdist);
// rad is now the highest intensity on the plane
fminlight = DLIGHT_CUTOFF; // FIXME: make configurable?
if (frad < fminlight)
continue;
fminlight = frad - fminlight;
for (i=0 ; i<3 ; i++)
{
impact[i] = dl->origin[i] -
surf->plane->normal[i]*fdist;
}
local[0] = DotProduct (impact, tex->vecs[0]) + tex->vecs[0][3] - surf->texturemins[0];
local[1] = DotProduct (impact, tex->vecs[1]) + tex->vecs[1][3] - surf->texturemins[1];
pfBL = s_blocklights;
for (t = 0, ftacc = 0 ; t<tmax ; t++, ftacc += 16)
{
td = local[1] - ftacc;
if ( td < 0 )
td = -td;
for ( s=0, fsacc = 0 ; s<smax ; s++, fsacc += 16, pfBL += 3)
{
sd = Q_ftol( local[0] - fsacc );
if ( sd < 0 )
sd = -sd;
if (sd > td)
fdist = sd + (td>>1);
else
fdist = td + (sd>>1);
if ( fdist < fminlight )
{
pfBL[0] += ( frad - fdist ) * dl->color[0];
pfBL[1] += ( frad - fdist ) * dl->color[1];
pfBL[2] += ( frad - fdist ) * dl->color[2];
}
}
}
}
}
/*
** R_SetCacheState
*/
void R_SetCacheState( msurface_t *surf )
{
int maps;
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
surf->cached_light[maps] = r_newrefdef.lightstyles[surf->styles[maps]].white;
}
}
/*
===============
R_BuildLightMap
Combine and scale multiple lightmaps into the floating format in blocklights
===============
*/
void R_BuildLightMap (msurface_t *surf, byte *dest, int stride)
{
int smax, tmax;
int r, g, b, a, max;
int i, j, size;
byte *lightmap;
float scale[4];
int nummaps;
float *bl;
lightstyle_t *style;
int monolightmap;
if ( surf->texinfo->flags & (SURF_SKY|SURF_TRANS33|SURF_TRANS66|SURF_WARP) )
ri.Sys_Error (ERR_DROP, "R_BuildLightMap called for non-lit surface");
smax = (surf->extents[0]>>4)+1;
tmax = (surf->extents[1]>>4)+1;
size = smax*tmax;
if (size > (sizeof(s_blocklights)>>4) )
ri.Sys_Error (ERR_DROP, "Bad s_blocklights size");
// set to full bright if no light data
if (!surf->samples)
{
int maps;
for (i=0 ; i<size*3 ; i++)
s_blocklights[i] = 255;
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
style = &r_newrefdef.lightstyles[surf->styles[maps]];
}
goto store;
}
// count the # of maps
for ( nummaps = 0 ; nummaps < MAXLIGHTMAPS && surf->styles[nummaps] != 255 ;
nummaps++)
;
lightmap = surf->samples;
// add all the lightmaps
if ( nummaps == 1 )
{
int maps;
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
bl = s_blocklights;
for (i=0 ; i<3 ; i++)
scale[i] = gl_modulate->value*r_newrefdef.lightstyles[surf->styles[maps]].rgb[i];
if ( scale[0] == 1.0F &&
scale[1] == 1.0F &&
scale[2] == 1.0F )
{
for (i=0 ; i<size ; i++, bl+=3)
{
bl[0] = lightmap[i*3+0];
bl[1] = lightmap[i*3+1];
bl[2] = lightmap[i*3+2];
}
}
else
{
for (i=0 ; i<size ; i++, bl+=3)
{
bl[0] = lightmap[i*3+0] * scale[0];
bl[1] = lightmap[i*3+1] * scale[1];
bl[2] = lightmap[i*3+2] * scale[2];
}
}
lightmap += size*3; // skip to next lightmap
}
}
else
{
int maps;
memset( s_blocklights, 0, sizeof( s_blocklights[0] ) * size * 3 );
for (maps = 0 ; maps < MAXLIGHTMAPS && surf->styles[maps] != 255 ;
maps++)
{
bl = s_blocklights;
for (i=0 ; i<3 ; i++)
scale[i] = gl_modulate->value*r_newrefdef.lightstyles[surf->styles[maps]].rgb[i];
if ( scale[0] == 1.0F &&
scale[1] == 1.0F &&
scale[2] == 1.0F )
{
for (i=0 ; i<size ; i++, bl+=3 )
{
bl[0] += lightmap[i*3+0];
bl[1] += lightmap[i*3+1];
bl[2] += lightmap[i*3+2];
}
}
else
{
for (i=0 ; i<size ; i++, bl+=3)
{
bl[0] += lightmap[i*3+0] * scale[0];
bl[1] += lightmap[i*3+1] * scale[1];
bl[2] += lightmap[i*3+2] * scale[2];
}
}
lightmap += size*3; // skip to next lightmap
}
}
// add all the dynamic lights
if (surf->dlightframe == r_framecount)
R_AddDynamicLights (surf);
// put into texture format
store:
stride -= (smax<<2);
bl = s_blocklights;
monolightmap = gl_monolightmap->string[0];
if ( monolightmap == '0' )
{
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
r = Q_ftol( bl[0] );
g = Q_ftol( bl[1] );
b = Q_ftol( bl[2] );
// catch negative lights
if (r < 0)
r = 0;
if (g < 0)
g = 0;
if (b < 0)
b = 0;
/*
** determine the brightest of the three color components
*/
if (r > g)
max = r;
else
max = g;
if (b > max)
max = b;
/*
** alpha is ONLY used for the mono lightmap case. For this reason
** we set it to the brightest of the color components so that
** things don't get too dim.
*/
a = max;
/*
** rescale all the color components if the intensity of the greatest
** channel exceeds 1.0
*/
if (max > 255)
{
float t = 255.0F / max;
r = r*t;
g = g*t;
b = b*t;
a = a*t;
}
dest[0] = r;
dest[1] = g;
dest[2] = b;
dest[3] = a;
bl += 3;
dest += 4;
}
}
}
else
{
for (i=0 ; i<tmax ; i++, dest += stride)
{
for (j=0 ; j<smax ; j++)
{
r = Q_ftol( bl[0] );
g = Q_ftol( bl[1] );
b = Q_ftol( bl[2] );
// catch negative lights
if (r < 0)
r = 0;
if (g < 0)
g = 0;
if (b < 0)
b = 0;
/*
** determine the brightest of the three color components
*/
if (r > g)
max = r;
else
max = g;
if (b > max)
max = b;
/*
** alpha is ONLY used for the mono lightmap case. For this reason
** we set it to the brightest of the color components so that
** things don't get too dim.
*/
a = max;
/*
** rescale all the color components if the intensity of the greatest
** channel exceeds 1.0
*/
if (max > 255)
{
float t = 255.0F / max;
r = r*t;
g = g*t;
b = b*t;
a = a*t;
}
/*
** So if we are doing alpha lightmaps we need to set the R, G, and B
** components to 0 and we need to set alpha to 1-alpha.
*/
switch ( monolightmap )
{
case 'L':
case 'I':
r = a;
g = b = 0;
break;
case 'C':
// try faking colored lighting
a = 255 - ((r+g+b)/3);
r *= a/255.0;
g *= a/255.0;
b *= a/255.0;
break;
case 'A':
default:
r = g = b = 0;
a = 255 - a;
break;
}
dest[0] = r;
dest[1] = g;
dest[2] = b;
dest[3] = a;
bl += 3;
dest += 4;
}
}
}
}

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#ifndef __GL_LOCAL__
#define __GL_LOCAL__
/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef _WIN32
# include <windows.h>
#endif
#include <stdio.h>
#include <ctype.h>
#include <GL/gl.h>
#ifndef SOLARIS
//#include <GL/glxext.h>
#else
#include <GL/glu.h>
#ifndef GL_COLOR_INDEX8_EXT
#define GL_COLOR_INDEX8_EXT GL_COLOR_INDEX
#endif
#endif
#include <math.h>
#ifndef _WIN32
char *strlwr (char *s);
#endif
#include "../client/ref.h"
#include "qgl.h"
#define REF_VERSION "GL 0.01"
// up / down
#define PITCH 0
// left / right
#define YAW 1
// fall over
#define ROLL 2
#ifndef __VIDDEF_T
#define __VIDDEF_T
typedef struct
{
int width, height; // coordinates from main game
} viddef_t;
#endif
extern viddef_t vid;
/*
skins will be outline flood filled and mip mapped
pics and sprites with alpha will be outline flood filled
pic won't be mip mapped
model skin
sprite frame
wall texture
pic
*/
typedef enum
{
it_skin,
it_sprite,
it_wall,
it_pic,
it_sky
} imagetype_t;
typedef struct image_s
{
char name[MAX_QPATH]; // game path, including extension
imagetype_t type;
int width, height; // source image
int upload_width, upload_height; // after power of two and picmip
int registration_sequence; // 0 = free
struct msurface_s *texturechain; // for sort-by-texture world drawing
int texnum; // gl texture binding
float sl, tl, sh, th; // 0,0 - 1,1 unless part of the scrap
qboolean scrap;
qboolean has_alpha;
qboolean paletted;
} image_t;
#define TEXNUM_LIGHTMAPS 1024
#define TEXNUM_SCRAPS 1152
#define TEXNUM_IMAGES 1153
#define MAX_GLTEXTURES 1024
//===================================================================
typedef enum
{
rserr_ok,
rserr_invalid_fullscreen,
rserr_invalid_mode,
rserr_unknown
} rserr_t;
#include "gl_model.h"
void GL_BeginRendering (int *x, int *y, int *width, int *height);
void GL_EndRendering (void);
void GL_SetDefaultState( void );
void GL_UpdateSwapInterval( void );
extern float gldepthmin, gldepthmax;
typedef struct
{
float x, y, z;
float s, t;
float r, g, b;
} glvert_t;
#define MAX_LBM_HEIGHT 480
#define BACKFACE_EPSILON 0.01
//====================================================
extern image_t gltextures[MAX_GLTEXTURES];
extern int numgltextures;
extern image_t *r_notexture;
extern image_t *r_particletexture;
extern entity_t *currententity;
extern model_t *currentmodel;
extern int r_visframecount;
extern int r_framecount;
extern cplane_t frustum[4];
extern int c_brush_polys, c_alias_polys;
extern int gl_filter_min, gl_filter_max;
//
// view origin
//
extern vec3_t vup;
extern vec3_t vpn;
extern vec3_t vright;
extern vec3_t r_origin;
//
// screen size info
//
extern refdef_t r_newrefdef;
extern int r_viewcluster, r_viewcluster2, r_oldviewcluster, r_oldviewcluster2;
extern cvar_t *r_norefresh;
extern cvar_t *r_lefthand;
extern cvar_t *r_drawentities;
extern cvar_t *r_drawworld;
extern cvar_t *r_speeds;
extern cvar_t *r_fullbright;
extern cvar_t *r_novis;
extern cvar_t *r_nocull;
extern cvar_t *r_lerpmodels;
extern cvar_t *r_lightlevel; // FIXME: This is a HACK to get the client's light level
extern cvar_t *gl_vertex_arrays;
extern cvar_t *gl_ext_swapinterval;
extern cvar_t *gl_ext_palettedtexture;
extern cvar_t *gl_ext_multitexture;
extern cvar_t *gl_ext_pointparameters;
extern cvar_t *gl_ext_compiled_vertex_array;
extern cvar_t *gl_particle_min_size;
extern cvar_t *gl_particle_max_size;
extern cvar_t *gl_particle_size;
extern cvar_t *gl_particle_att_a;
extern cvar_t *gl_particle_att_b;
extern cvar_t *gl_particle_att_c;
extern cvar_t *gl_nosubimage;
extern cvar_t *gl_bitdepth;
extern cvar_t *gl_mode;
extern cvar_t *gl_log;
extern cvar_t *gl_lightmap;
extern cvar_t *gl_shadows;
extern cvar_t *gl_stencilshadow;
extern cvar_t *gl_dynamic;
extern cvar_t *gl_monolightmap;
extern cvar_t *gl_nobind;
extern cvar_t *gl_round_down;
extern cvar_t *gl_picmip;
extern cvar_t *gl_skymip;
extern cvar_t *gl_showtris;
extern cvar_t *gl_finish;
extern cvar_t *gl_ztrick;
extern cvar_t *gl_clear;
extern cvar_t *gl_cull;
extern cvar_t *gl_poly;
extern cvar_t *gl_texsort;
extern cvar_t *gl_polyblend;
extern cvar_t *gl_flashblend;
extern cvar_t *gl_lightmaptype;
extern cvar_t *gl_modulate;
extern cvar_t *gl_playermip;
extern cvar_t *gl_drawbuffer;
extern cvar_t *gl_3dlabs_broken;
extern cvar_t *gl_driver;
extern cvar_t *gl_swapinterval;
extern cvar_t *gl_texturemode;
extern cvar_t *gl_texturealphamode;
extern cvar_t *gl_texturesolidmode;
extern cvar_t *gl_saturatelighting;
extern cvar_t *gl_lockpvs;
extern cvar_t *vid_fullscreen;
extern cvar_t *vid_gamma;
extern cvar_t *intensity;
extern int gl_lightmap_format;
extern int gl_solid_format;
extern int gl_alpha_format;
extern int gl_tex_solid_format;
extern int gl_tex_alpha_format;
extern int c_visible_lightmaps;
extern int c_visible_textures;
extern float r_world_matrix[16];
void R_TranslatePlayerSkin (int playernum);
void GL_Bind (int texnum);
void GL_MBind( GLenum target, int texnum );
void GL_TexEnv( GLenum value );
void GL_EnableMultitexture( qboolean enable );
void GL_SelectTexture( GLenum );
void R_LightPoint (vec3_t p, vec3_t color);
void R_PushDlights (void);
//====================================================================
extern model_t *r_worldmodel;
extern unsigned d_8to24table[256];
extern int registration_sequence;
void V_AddBlend (float r, float g, float b, float a, float *v_blend);
int R_Init( void *hinstance, void *hWnd );
void R_Shutdown( void );
void R_RenderView (refdef_t *fd);
void GL_ScreenShot_f (void);
void R_DrawAliasModel (entity_t *e);
void R_DrawBrushModel (entity_t *e);
void R_DrawSpriteModel (entity_t *e);
void R_DrawBeam( entity_t *e );
void R_DrawWorld (void);
void R_RenderDlights (void);
void R_DrawAlphaSurfaces (void);
void R_RenderBrushPoly (msurface_t *fa);
void R_InitParticleTexture (void);
void Draw_InitLocal (void);
void GL_SubdivideSurface (msurface_t *fa);
qboolean R_CullBox (vec3_t mins, vec3_t maxs);
void R_RotateForEntity (entity_t *e);
void R_MarkLeaves (void);
glpoly_t *WaterWarpPolyVerts (glpoly_t *p);
void EmitWaterPolys (msurface_t *fa);
void R_AddSkySurface (msurface_t *fa);
void R_ClearSkyBox (void);
void R_DrawSkyBox (void);
void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
#if 0
short LittleShort (short l);
short BigShort (short l);
int LittleLong (int l);
float LittleFloat (float f);
char *va(char *format, ...);
// does a varargs printf into a temp buffer
#endif
void COM_StripExtension (char *in, char *out);
void Draw_GetPicSize (int *w, int *h, char *name);
void Draw_Pic (int x, int y, char *name);
void Draw_StretchPic (int x, int y, int w, int h, char *name);
void Draw_Char (int x, int y, int c);
void Draw_TileClear (int x, int y, int w, int h, char *name);
void Draw_Fill (int x, int y, int w, int h, int c);
void Draw_FadeScreen (void);
void Draw_StretchRaw (int x, int y, int w, int h, int cols, int rows, byte *data);
void R_BeginFrame( float camera_separation );
void R_SwapBuffers( int );
void R_SetPalette ( const unsigned char *palette);
int Draw_GetPalette (void);
void GL_ResampleTexture (unsigned *in, int inwidth, int inheight, unsigned *out, int outwidth, int outheight);
struct image_s *R_RegisterSkin (char *name);
void LoadPCX (char *filename, byte **pic, byte **palette, int *width, int *height);
image_t *GL_LoadPic (char *name, byte *pic, int width, int height, imagetype_t type, int bits);
image_t *GL_FindImage (char *name, imagetype_t type);
void GL_TextureMode( char *string );
void GL_ImageList_f (void);
void GL_SetTexturePalette( unsigned palette[256] );
void GL_InitImages (void);
void GL_ShutdownImages (void);
void GL_FreeUnusedImages (void);
void GL_TextureAlphaMode( char *string );
void GL_TextureSolidMode( char *string );
/*
** GL extension emulation functions
*/
void GL_DrawParticles( int n, const particle_t particles[], const unsigned colortable[768] );
/*
** GL config stuff
*/
#define GL_RENDERER_VOODOO 0x00000001
#define GL_RENDERER_VOODOO2 0x00000002
#define GL_RENDERER_VOODOO_RUSH 0x00000004
#define GL_RENDERER_BANSHEE 0x00000008
#define GL_RENDERER_3DFX 0x0000000F
#define GL_RENDERER_PCX1 0x00000010
#define GL_RENDERER_PCX2 0x00000020
#define GL_RENDERER_PMX 0x00000040
#define GL_RENDERER_POWERVR 0x00000070
#define GL_RENDERER_PERMEDIA2 0x00000100
#define GL_RENDERER_GLINT_MX 0x00000200
#define GL_RENDERER_GLINT_TX 0x00000400
#define GL_RENDERER_3DLABS_MISC 0x00000800
#define GL_RENDERER_3DLABS 0x00000F00
#define GL_RENDERER_REALIZM 0x00001000
#define GL_RENDERER_REALIZM2 0x00002000
#define GL_RENDERER_INTERGRAPH 0x00003000
#define GL_RENDERER_3DPRO 0x00004000
#define GL_RENDERER_REAL3D 0x00008000
#define GL_RENDERER_RIVA128 0x00010000
#define GL_RENDERER_DYPIC 0x00020000
#define GL_RENDERER_V1000 0x00040000
#define GL_RENDERER_V2100 0x00080000
#define GL_RENDERER_V2200 0x00100000
#define GL_RENDERER_RENDITION 0x001C0000
#define GL_RENDERER_O2 0x00100000
#define GL_RENDERER_IMPACT 0x00200000
#define GL_RENDERER_RE 0x00400000
#define GL_RENDERER_IR 0x00800000
#define GL_RENDERER_SGI 0x00F00000
#define GL_RENDERER_MCD 0x01000000
#define GL_RENDERER_OTHER 0x80000000
typedef struct
{
int renderer;
const char *renderer_string;
const char *vendor_string;
const char *version_string;
const char *extensions_string;
qboolean allow_cds;
} glconfig_t;
typedef struct
{
float inverse_intensity;
qboolean fullscreen;
int prev_mode;
unsigned char *d_16to8table;
int lightmap_textures;
int currenttextures[2];
int currenttmu;
float camera_separation;
qboolean stereo_enabled;
qboolean hwgamma;
unsigned char originalRedGammaTable[256];
unsigned char originalGreenGammaTable[256];
unsigned char originalBlueGammaTable[256];
} glstate_t;
extern glconfig_t gl_config;
extern glstate_t gl_state;
/*
====================================================================
IMPORTED FUNCTIONS
====================================================================
*/
extern refimport_t ri;
/*
====================================================================
IMPLEMENTATION SPECIFIC FUNCTIONS
====================================================================
*/
void GLimp_BeginFrame( float camera_separation );
void GLimp_EndFrame( void );
int GLimp_Init( void *hinstance, void *hWnd );
void GLimp_Shutdown( void );
int GLimp_SetMode( int *pwidth, int *pheight, int mode, qboolean fullscreen );
void GLimp_AppActivate( qboolean active );
void GLimp_EnableLogging( qboolean enable );
void GLimp_LogNewFrame( void );
#endif

880
src/refresh/opengl/gl_mesh.c Normal file
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@ -0,0 +1,880 @@
/* $Id: gl_mesh.c,v 1.3 2002/09/25 13:22:55 bburns Exp $
*
* triangle model functions
*
* Copyright (C) 1997-2001 Id Software, Inc.
* Copyright (c) 2002 The Quakeforge Project.
*
* 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 the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "gl_local.h"
/*
=============================================================
ALIAS MODELS
=============================================================
*/
#define NUMVERTEXNORMALS 162
float r_avertexnormals[NUMVERTEXNORMALS][3] = {
#include "anorms.h"
};
typedef float vec4_t[4];
static vec4_t s_lerped[MAX_VERTS];
//static vec3_t lerped[MAX_VERTS];
vec3_t shadevector;
float shadelight[3];
// precalculated dot products for quantized angles
#define SHADEDOT_QUANT 16
float r_avertexnormal_dots[SHADEDOT_QUANT][256] =
#include "anormtab.h"
;
float *shadedots = r_avertexnormal_dots[0];
void GL_LerpVerts( int nverts, dtrivertx_t *v, dtrivertx_t *ov, dtrivertx_t *verts, float *lerp, float move[3], float frontv[3], float backv[3] )
{
int i;
//PMM -- added RF_SHELL_DOUBLE, RF_SHELL_HALF_DAM
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
{
for (i=0 ; i < nverts; i++, v++, ov++, lerp+=4 )
{
float *normal = r_avertexnormals[verts[i].lightnormalindex];
lerp[0] = move[0] + ov->v[0]*backv[0] + v->v[0]*frontv[0] + normal[0] * POWERSUIT_SCALE;
lerp[1] = move[1] + ov->v[1]*backv[1] + v->v[1]*frontv[1] + normal[1] * POWERSUIT_SCALE;
lerp[2] = move[2] + ov->v[2]*backv[2] + v->v[2]*frontv[2] + normal[2] * POWERSUIT_SCALE;
}
}
else
{
for (i=0 ; i < nverts; i++, v++, ov++, lerp+=4)
{
lerp[0] = move[0] + ov->v[0]*backv[0] + v->v[0]*frontv[0];
lerp[1] = move[1] + ov->v[1]*backv[1] + v->v[1]*frontv[1];
lerp[2] = move[2] + ov->v[2]*backv[2] + v->v[2]*frontv[2];
}
}
}
/*
=============
GL_DrawAliasFrameLerp
interpolates between two frames and origins
FIXME: batch lerp all vertexes
=============
*/
void GL_DrawAliasFrameLerp (dmdl_t *paliashdr, float backlerp)
{
float l;
daliasframe_t *frame, *oldframe;
dtrivertx_t *v, *ov, *verts;
int *order;
int count;
float frontlerp;
float alpha;
vec3_t move, delta, vectors[3];
vec3_t frontv, backv;
int i;
int index_xyz;
float *lerp;
frame = (daliasframe_t *)((byte *)paliashdr + paliashdr->ofs_frames
+ currententity->frame * paliashdr->framesize);
verts = v = frame->verts;
oldframe = (daliasframe_t *)((byte *)paliashdr + paliashdr->ofs_frames
+ currententity->oldframe * paliashdr->framesize);
ov = oldframe->verts;
order = (int *)((byte *)paliashdr + paliashdr->ofs_glcmds);
// glTranslatef (frame->translate[0], frame->translate[1], frame->translate[2]);
// glScalef (frame->scale[0], frame->scale[1], frame->scale[2]);
if (currententity->flags & RF_TRANSLUCENT)
alpha = currententity->alpha;
else
alpha = 1.0;
// PMM - added double shell
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
qglDisable( GL_TEXTURE_2D );
frontlerp = 1.0 - backlerp;
// move should be the delta back to the previous frame * backlerp
VectorSubtract (currententity->oldorigin, currententity->origin, delta);
AngleVectors (currententity->angles, vectors[0], vectors[1], vectors[2]);
move[0] = DotProduct (delta, vectors[0]); // forward
move[1] = -DotProduct (delta, vectors[1]); // left
move[2] = DotProduct (delta, vectors[2]); // up
VectorAdd (move, oldframe->translate, move);
for (i=0 ; i<3 ; i++)
{
move[i] = backlerp*move[i] + frontlerp*frame->translate[i];
}
for (i=0 ; i<3 ; i++)
{
frontv[i] = frontlerp*frame->scale[i];
backv[i] = backlerp*oldframe->scale[i];
}
lerp = s_lerped[0];
GL_LerpVerts( paliashdr->num_xyz, v, ov, verts, lerp, move, frontv, backv );
if ( gl_vertex_arrays->value )
{
float colorArray[MAX_VERTS*4];
qglEnableClientState( GL_VERTEX_ARRAY );
qglVertexPointer( 3, GL_FLOAT, 16, s_lerped ); // padded for SIMD
// if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE ) )
// PMM - added double damage shell
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
{
qglColor4f( shadelight[0], shadelight[1], shadelight[2], alpha );
}
else
{
qglEnableClientState( GL_COLOR_ARRAY );
qglColorPointer( 3, GL_FLOAT, 0, colorArray );
//
// pre light everything
//
for ( i = 0; i < paliashdr->num_xyz; i++ )
{
float l = shadedots[verts[i].lightnormalindex];
colorArray[i*3+0] = l * shadelight[0];
colorArray[i*3+1] = l * shadelight[1];
colorArray[i*3+2] = l * shadelight[2];
}
}
if ( qglLockArraysEXT != 0 )
qglLockArraysEXT( 0, paliashdr->num_xyz );
while (1)
{
// get the vertex count and primitive type
count = *order++;
if (!count)
break; // done
if (count < 0)
{
count = -count;
qglBegin (GL_TRIANGLE_FAN);
}
else
{
qglBegin (GL_TRIANGLE_STRIP);
}
// PMM - added double damage shell
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
{
do
{
index_xyz = order[2];
order += 3;
qglVertex3fv( s_lerped[index_xyz] );
} while (--count);
}
else
{
do
{
// texture coordinates come from the draw list
qglTexCoord2f (((float *)order)[0], ((float *)order)[1]);
index_xyz = order[2];
order += 3;
// normals and vertexes come from the frame list
// l = shadedots[verts[index_xyz].lightnormalindex];
// qglColor4f (l* shadelight[0], l*shadelight[1], l*shadelight[2], alpha);
qglArrayElement( index_xyz );
} while (--count);
}
qglEnd ();
}
if ( qglUnlockArraysEXT != 0 )
qglUnlockArraysEXT();
}
else
{
while (1)
{
// get the vertex count and primitive type
count = *order++;
if (!count)
break; // done
if (count < 0)
{
count = -count;
qglBegin (GL_TRIANGLE_FAN);
}
else
{
qglBegin (GL_TRIANGLE_STRIP);
}
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE ) )
{
do
{
index_xyz = order[2];
order += 3;
qglColor4f( shadelight[0], shadelight[1], shadelight[2], alpha);
qglVertex3fv (s_lerped[index_xyz]);
} while (--count);
}
else
{
do
{
// texture coordinates come from the draw list
qglTexCoord2f (((float *)order)[0], ((float *)order)[1]);
index_xyz = order[2];
order += 3;
// normals and vertexes come from the frame list
l = shadedots[verts[index_xyz].lightnormalindex];
qglColor4f (l* shadelight[0], l*shadelight[1], l*shadelight[2], alpha);
qglVertex3fv (s_lerped[index_xyz]);
} while (--count);
}
qglEnd ();
}
}
// if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE ) )
// PMM - added double damage shell
if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM) )
qglEnable( GL_TEXTURE_2D );
}
#if 1
/*
=============
GL_DrawAliasShadow
=============
*/
extern vec3_t lightspot;
/* stencilbuffer shadows */
extern qboolean have_stencil;
void GL_DrawAliasShadow (dmdl_t *paliashdr, int posenum)
{
dtrivertx_t *verts;
int *order;
vec3_t point;
float height, lheight;
int count;
daliasframe_t *frame;
lheight = currententity->origin[2] - lightspot[2];
frame = (daliasframe_t *)((byte *)paliashdr + paliashdr->ofs_frames
+ currententity->frame * paliashdr->framesize);
verts = frame->verts;
height = 0;
order = (int *)((byte *)paliashdr + paliashdr->ofs_glcmds);
height = -lheight + 0.1f;
/* stencilbuffer shadows */
if (have_stencil && gl_stencilshadow->value) {
qglEnable(GL_STENCIL_TEST);
qglStencilFunc(GL_EQUAL, 1, 2);
qglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
}
while (1)
{
// get the vertex count and primitive type
count = *order++;
if (!count)
break; // done
if (count < 0)
{
count = -count;
qglBegin (GL_TRIANGLE_FAN);
}
else
qglBegin (GL_TRIANGLE_STRIP);
do
{
// normals and vertexes come from the frame list
/*
point[0] = verts[order[2]].v[0] * frame->scale[0] + frame->translate[0];
point[1] = verts[order[2]].v[1] * frame->scale[1] + frame->translate[1];
point[2] = verts[order[2]].v[2] * frame->scale[2] + frame->translate[2];
*/
memcpy( point, s_lerped[order[2]], sizeof( point ) );
point[0] -= shadevector[0]*(point[2]+lheight);
point[1] -= shadevector[1]*(point[2]+lheight);
point[2] = height;
// height -= 0.001;
qglVertex3fv (point);
order += 3;
// verts++;
} while (--count);
qglEnd ();
}
/* stencilbuffer shadows */
if (have_stencil && gl_stencilshadow->value)
qglDisable(GL_STENCIL_TEST);
}
#endif
/*
** R_CullAliasModel
*/
static qboolean R_CullAliasModel( vec3_t bbox[8], entity_t *e )
{
int i;
vec3_t mins, maxs;
dmdl_t *paliashdr;
vec3_t vectors[3];
vec3_t thismins, oldmins, thismaxs, oldmaxs;
daliasframe_t *pframe, *poldframe;
vec3_t angles;
paliashdr = (dmdl_t *)currentmodel->extradata;
if ( ( e->frame >= paliashdr->num_frames ) || ( e->frame < 0 ) )
{
ri.Con_Printf (PRINT_ALL, "R_CullAliasModel %s: no such frame %d\n",
currentmodel->name, e->frame);
e->frame = 0;
}
if ( ( e->oldframe >= paliashdr->num_frames ) || ( e->oldframe < 0 ) )
{
ri.Con_Printf (PRINT_ALL, "R_CullAliasModel %s: no such oldframe %d\n",
currentmodel->name, e->oldframe);
e->oldframe = 0;
}
pframe = ( daliasframe_t * ) ( ( byte * ) paliashdr +
paliashdr->ofs_frames +
e->frame * paliashdr->framesize);
poldframe = ( daliasframe_t * ) ( ( byte * ) paliashdr +
paliashdr->ofs_frames +
e->oldframe * paliashdr->framesize);
/*
** compute axially aligned mins and maxs
*/
if ( pframe == poldframe )
{
for ( i = 0; i < 3; i++ )
{
mins[i] = pframe->translate[i];
maxs[i] = mins[i] + pframe->scale[i]*255;
}
}
else
{
for ( i = 0; i < 3; i++ )
{
thismins[i] = pframe->translate[i];
thismaxs[i] = thismins[i] + pframe->scale[i]*255;
oldmins[i] = poldframe->translate[i];
oldmaxs[i] = oldmins[i] + poldframe->scale[i]*255;
if ( thismins[i] < oldmins[i] )
mins[i] = thismins[i];
else
mins[i] = oldmins[i];
if ( thismaxs[i] > oldmaxs[i] )
maxs[i] = thismaxs[i];
else
maxs[i] = oldmaxs[i];
}
}
/*
** compute a full bounding box
*/
for ( i = 0; i < 8; i++ )
{
vec3_t tmp;
if ( i & 1 )
tmp[0] = mins[0];
else
tmp[0] = maxs[0];
if ( i & 2 )
tmp[1] = mins[1];
else
tmp[1] = maxs[1];
if ( i & 4 )
tmp[2] = mins[2];
else
tmp[2] = maxs[2];
VectorCopy( tmp, bbox[i] );
}
/*
** rotate the bounding box
*/
VectorCopy( e->angles, angles );
angles[YAW] = -angles[YAW];
AngleVectors( angles, vectors[0], vectors[1], vectors[2] );
for ( i = 0; i < 8; i++ )
{
vec3_t tmp;
VectorCopy( bbox[i], tmp );
bbox[i][0] = DotProduct( vectors[0], tmp );
bbox[i][1] = -DotProduct( vectors[1], tmp );
bbox[i][2] = DotProduct( vectors[2], tmp );
VectorAdd( e->origin, bbox[i], bbox[i] );
}
{
int p, f, aggregatemask = ~0;
for ( p = 0; p < 8; p++ )
{
int mask = 0;
for ( f = 0; f < 4; f++ )
{
float dp = DotProduct( frustum[f].normal, bbox[p] );
if ( ( dp - frustum[f].dist ) < 0 )
{
mask |= ( 1 << f );
}
}
aggregatemask &= mask;
}
if ( aggregatemask )
{
return true;
}
return false;
}
}
/*
=================
R_DrawAliasModel
=================
*/
void R_DrawAliasModel (entity_t *e)
{
int i;
dmdl_t *paliashdr;
float an;
vec3_t bbox[8];
image_t *skin;
if ( !( e->flags & RF_WEAPONMODEL ) )
{
if ( R_CullAliasModel( bbox, e ) )
return;
}
if ( e->flags & RF_WEAPONMODEL )
{
if ( r_lefthand->value == 2 )
return;
}
paliashdr = (dmdl_t *)currentmodel->extradata;
//
// get lighting information
//
// PMM - rewrote, reordered to handle new shells & mixing
// PMM - 3.20 code .. replaced with original way of doing it to keep mod authors happy
//
if ( currententity->flags & ( RF_SHELL_HALF_DAM | RF_SHELL_GREEN | RF_SHELL_RED | RF_SHELL_BLUE | RF_SHELL_DOUBLE ) )
{
VectorClear (shadelight);
if (currententity->flags & RF_SHELL_HALF_DAM)
{
shadelight[0] = 0.56;
shadelight[1] = 0.59;
shadelight[2] = 0.45;
}
if ( currententity->flags & RF_SHELL_DOUBLE )
{
shadelight[0] = 0.9;
shadelight[1] = 0.7;
}
if ( currententity->flags & RF_SHELL_RED )
shadelight[0] = 1.0;
if ( currententity->flags & RF_SHELL_GREEN )
shadelight[1] = 1.0;
if ( currententity->flags & RF_SHELL_BLUE )
shadelight[2] = 1.0;
}
/*
// PMM -special case for godmode
if ( (currententity->flags & RF_SHELL_RED) &&
(currententity->flags & RF_SHELL_BLUE) &&
(currententity->flags & RF_SHELL_GREEN) )
{
for (i=0 ; i<3 ; i++)
shadelight[i] = 1.0;
}
else if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_BLUE | RF_SHELL_DOUBLE ) )
{
VectorClear (shadelight);
if ( currententity->flags & RF_SHELL_RED )
{
shadelight[0] = 1.0;
if (currententity->flags & (RF_SHELL_BLUE|RF_SHELL_DOUBLE) )
shadelight[2] = 1.0;
}
else if ( currententity->flags & RF_SHELL_BLUE )
{
if ( currententity->flags & RF_SHELL_DOUBLE )
{
shadelight[1] = 1.0;
shadelight[2] = 1.0;
}
else
{
shadelight[2] = 1.0;
}
}
else if ( currententity->flags & RF_SHELL_DOUBLE )
{
shadelight[0] = 0.9;
shadelight[1] = 0.7;
}
}
else if ( currententity->flags & ( RF_SHELL_HALF_DAM | RF_SHELL_GREEN ) )
{
VectorClear (shadelight);
// PMM - new colors
if ( currententity->flags & RF_SHELL_HALF_DAM )
{
shadelight[0] = 0.56;
shadelight[1] = 0.59;
shadelight[2] = 0.45;
}
if ( currententity->flags & RF_SHELL_GREEN )
{
shadelight[1] = 1.0;
}
}
}
//PMM - ok, now flatten these down to range from 0 to 1.0.
// max_shell_val = max(shadelight[0], max(shadelight[1], shadelight[2]));
// if (max_shell_val > 0)
// {
// for (i=0; i<3; i++)
// {
// shadelight[i] = shadelight[i] / max_shell_val;
// }
// }
// pmm
*/
else if ( currententity->flags & RF_FULLBRIGHT )
{
for (i=0 ; i<3 ; i++)
shadelight[i] = 1.0;
}
else
{
R_LightPoint (currententity->origin, shadelight);
// player lighting hack for communication back to server
// big hack!
if ( currententity->flags & RF_WEAPONMODEL )
{
// pick the greatest component, which should be the same
// as the mono value returned by software
if (shadelight[0] > shadelight[1])
{
if (shadelight[0] > shadelight[2])
r_lightlevel->value = 150*shadelight[0];
else
r_lightlevel->value = 150*shadelight[2];
}
else
{
if (shadelight[1] > shadelight[2])
r_lightlevel->value = 150*shadelight[1];
else
r_lightlevel->value = 150*shadelight[2];
}
}
if ( gl_monolightmap->string[0] != '0' )
{
float s = shadelight[0];
if ( s < shadelight[1] )
s = shadelight[1];
if ( s < shadelight[2] )
s = shadelight[2];
shadelight[0] = s;
shadelight[1] = s;
shadelight[2] = s;
}
}
if ( currententity->flags & RF_MINLIGHT )
{
for (i=0 ; i<3 ; i++)
if (shadelight[i] > 0.1)
break;
if (i == 3)
{
shadelight[0] = 0.1;
shadelight[1] = 0.1;
shadelight[2] = 0.1;
}
}
if ( currententity->flags & RF_GLOW )
{ // bonus items will pulse with time
float scale;
float min;
scale = 0.1 * sin(r_newrefdef.time*7);
for (i=0 ; i<3 ; i++)
{
min = shadelight[i] * 0.8;
shadelight[i] += scale;
if (shadelight[i] < min)
shadelight[i] = min;
}
}
// =================
// PGM ir goggles color override
if ( r_newrefdef.rdflags & RDF_IRGOGGLES && currententity->flags & RF_IR_VISIBLE)
{
shadelight[0] = 1.0;
shadelight[1] = 0.0;
shadelight[2] = 0.0;
}
// PGM
// =================
shadedots = r_avertexnormal_dots[((int)(currententity->angles[1] * (SHADEDOT_QUANT / 360.0))) & (SHADEDOT_QUANT - 1)];
an = currententity->angles[1]/180*M_PI;
shadevector[0] = cos(-an);
shadevector[1] = sin(-an);
shadevector[2] = 1;
VectorNormalize (shadevector);
//
// locate the proper data
//
c_alias_polys += paliashdr->num_tris;
//
// draw all the triangles
//
if (currententity->flags & RF_DEPTHHACK) // hack the depth range to prevent view model from poking into walls
qglDepthRange (gldepthmin, gldepthmin + 0.3*(gldepthmax-gldepthmin));
if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
{
extern void MYgluPerspective( GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar );
qglMatrixMode( GL_PROJECTION );
qglPushMatrix();
qglLoadIdentity();
qglScalef( -1, 1, 1 );
MYgluPerspective( r_newrefdef.fov_y, ( float ) r_newrefdef.width / r_newrefdef.height, 4, 4096);
qglMatrixMode( GL_MODELVIEW );
qglCullFace( GL_BACK );
}
qglPushMatrix ();
e->angles[PITCH] = -e->angles[PITCH]; // sigh.
R_RotateForEntity (e);
e->angles[PITCH] = -e->angles[PITCH]; // sigh.
// select skin
if (currententity->skin)
skin = currententity->skin; // custom player skin
else
{
if (currententity->skinnum >= MAX_MD2SKINS)
skin = currentmodel->skins[0];
else
{
skin = currentmodel->skins[currententity->skinnum];
if (!skin)
skin = currentmodel->skins[0];
}
}
if (!skin)
skin = r_notexture; // fallback...
GL_Bind(skin->texnum);
// draw it
qglShadeModel (GL_SMOOTH);
GL_TexEnv( GL_MODULATE );
if ( currententity->flags & RF_TRANSLUCENT )
{
qglEnable (GL_BLEND);
}
if ( (currententity->frame >= paliashdr->num_frames)
|| (currententity->frame < 0) )
{
ri.Con_Printf (PRINT_ALL, "R_DrawAliasModel %s: no such frame %d\n",
currentmodel->name, currententity->frame);
currententity->frame = 0;
currententity->oldframe = 0;
}
if ( (currententity->oldframe >= paliashdr->num_frames)
|| (currententity->oldframe < 0))
{
ri.Con_Printf (PRINT_ALL, "R_DrawAliasModel %s: no such oldframe %d\n",
currentmodel->name, currententity->oldframe);
currententity->frame = 0;
currententity->oldframe = 0;
}
if ( !r_lerpmodels->value )
currententity->backlerp = 0;
GL_DrawAliasFrameLerp (paliashdr, currententity->backlerp);
GL_TexEnv( GL_REPLACE );
qglShadeModel (GL_FLAT);
qglPopMatrix ();
#if 0
qglDisable( GL_CULL_FACE );
qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
qglDisable( GL_TEXTURE_2D );
qglBegin( GL_TRIANGLE_STRIP );
for ( i = 0; i < 8; i++ )
{
qglVertex3fv( bbox[i] );
}
qglEnd();
qglEnable( GL_TEXTURE_2D );
qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
qglEnable( GL_CULL_FACE );
#endif
if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
{
qglMatrixMode( GL_PROJECTION );
qglPopMatrix();
qglMatrixMode( GL_MODELVIEW );
qglCullFace( GL_FRONT );
}
if ( currententity->flags & RF_TRANSLUCENT )
{
qglDisable (GL_BLEND);
}
if (currententity->flags & RF_DEPTHHACK)
qglDepthRange (gldepthmin, gldepthmax);
//#if 1
if (gl_shadows->value &&
!(currententity->flags & (RF_TRANSLUCENT|RF_WEAPONMODEL|RF_NOSHADOW))) {
qglPushMatrix ();
/* don't rotate shadows on ungodly axes */
qglTranslatef(e->origin[0], e->origin[1], e->origin[2]);
qglRotatef(e->angles[1], 0, 0, 1);
qglDisable (GL_TEXTURE_2D);
qglEnable (GL_BLEND);
qglColor4f (0,0,0,0.5);
GL_DrawAliasShadow (paliashdr, currententity->frame );
qglEnable (GL_TEXTURE_2D);
qglDisable (GL_BLEND);
qglPopMatrix ();
}
//#endif
qglColor4f (1,1,1,1);
}

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src/refresh/opengl/gl_model.c Normal file
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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
d*_t structures are on-disk representations
m*_t structures are in-memory
*/
/*
==============================================================================
BRUSH MODELS
==============================================================================
*/
//
// in memory representation
//
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct
{
vec3_t position;
} mvertex_t;
typedef struct
{
vec3_t mins, maxs;
vec3_t origin; // for sounds or lights
float radius;
int headnode;
int visleafs; // not including the solid leaf 0
int firstface, numfaces;
} mmodel_t;
#define SIDE_FRONT 0
#define SIDE_BACK 1
#define SIDE_ON 2
#define SURF_PLANEBACK 2
#define SURF_DRAWSKY 4
#define SURF_DRAWTURB 0x10
#define SURF_DRAWBACKGROUND 0x40
#define SURF_UNDERWATER 0x80
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct
{
unsigned short v[2];
unsigned int cachededgeoffset;
} medge_t;
typedef struct mtexinfo_s
{
float vecs[2][4];
int flags;
int numframes;
struct mtexinfo_s *next; // animation chain
image_t *image;
} mtexinfo_t;
#define VERTEXSIZE 7
typedef struct glpoly_s
{
struct glpoly_s *next;
struct glpoly_s *chain;
int numverts;
int flags; // for SURF_UNDERWATER (not needed anymore?)
float verts[4][VERTEXSIZE]; // variable sized (xyz s1t1 s2t2)
} glpoly_t;
typedef struct msurface_s
{
int visframe; // should be drawn when node is crossed
cplane_t *plane;
int flags;
int firstedge; // look up in model->surfedges[], negative numbers
int numedges; // are backwards edges
short texturemins[2];
short extents[2];
int light_s, light_t; // gl lightmap coordinates
int dlight_s, dlight_t; // gl lightmap coordinates for dynamic lightmaps
glpoly_t *polys; // multiple if warped
struct msurface_s *texturechain;
struct msurface_s *lightmapchain;
mtexinfo_t *texinfo;
// lighting info
int dlightframe;
int dlightbits;
int lightmaptexturenum;
byte styles[MAXLIGHTMAPS];
float cached_light[MAXLIGHTMAPS]; // values currently used in lightmap
byte *samples; // [numstyles*surfsize]
} msurface_t;
typedef struct mnode_s
{
// common with leaf
int contents; // -1, to differentiate from leafs
int visframe; // node needs to be traversed if current
float minmaxs[6]; // for bounding box culling
struct mnode_s *parent;
// node specific
cplane_t *plane;
struct mnode_s *children[2];
unsigned short firstsurface;
unsigned short numsurfaces;
} mnode_t;
typedef struct mleaf_s
{
// common with node
int contents; // wil be a negative contents number
int visframe; // node needs to be traversed if current
float minmaxs[6]; // for bounding box culling
struct mnode_s *parent;
// leaf specific
int cluster;
int area;
msurface_t **firstmarksurface;
int nummarksurfaces;
} mleaf_t;
//===================================================================
//
// Whole model
//
typedef enum {mod_bad, mod_brush, mod_sprite, mod_alias } modtype_t;
typedef struct model_s
{
char name[MAX_QPATH];
int registration_sequence;
modtype_t type;
int numframes;
int flags;
//
// volume occupied by the model graphics
//
vec3_t mins, maxs;
float radius;
//
// solid volume for clipping
//
qboolean clipbox;
vec3_t clipmins, clipmaxs;
//
// brush model
//
int firstmodelsurface, nummodelsurfaces;
int lightmap; // only for submodels
int numsubmodels;
mmodel_t *submodels;
int numplanes;
cplane_t *planes;
int numleafs; // number of visible leafs, not counting 0
mleaf_t *leafs;
int numvertexes;
mvertex_t *vertexes;
int numedges;
medge_t *edges;
int numnodes;
int firstnode;
mnode_t *nodes;
int numtexinfo;
mtexinfo_t *texinfo;
int numsurfaces;
msurface_t *surfaces;
int numsurfedges;
int *surfedges;
int nummarksurfaces;
msurface_t **marksurfaces;
dvis_t *vis;
byte *lightdata;
// for alias models and skins
image_t *skins[MAX_MD2SKINS];
int extradatasize;
void *extradata;
} model_t;
//============================================================================
void Mod_Init (void);
void Mod_ClearAll (void);
model_t *Mod_ForName (char *name, qboolean crash);
mleaf_t *Mod_PointInLeaf (float *p, model_t *model);
byte *Mod_ClusterPVS (int cluster, model_t *model);
void Mod_Modellist_f (void);
void *Hunk_Begin (int maxsize);
void *Hunk_Alloc (int size);
int Hunk_End (void);
void Hunk_Free (void *base);
void Mod_FreeAll (void);
void Mod_Free (model_t *mod);

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src/refresh/opengl/gl_rmain.c Normal file
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src/refresh/opengl/gl_rmisc.c Normal file
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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// r_misc.c
#include "gl_local.h"
/*
==================
R_InitParticleTexture
==================
*/
byte dottexture[8][8] =
{
{0,0,0,0,0,0,0,0},
{0,0,1,1,0,0,0,0},
{0,1,1,1,1,0,0,0},
{0,1,1,1,1,0,0,0},
{0,0,1,1,0,0,0,0},
{0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0},
{0,0,0,0,0,0,0,0},
};
void R_InitParticleTexture (void)
{
int x,y;
byte data[8][8][4];
//
// particle texture
//
for (x=0 ; x<8 ; x++)
{
for (y=0 ; y<8 ; y++)
{
data[y][x][0] = 255;
data[y][x][1] = 255;
data[y][x][2] = 255;
data[y][x][3] = dottexture[x][y]*255;
}
}
r_particletexture = GL_LoadPic ("***particle***", (byte *)data, 8, 8, it_sprite, 32);
//
// also use this for bad textures, but without alpha
//
for (x=0 ; x<8 ; x++)
{
for (y=0 ; y<8 ; y++)
{
data[y][x][0] = dottexture[x&3][y&3]*255;
data[y][x][1] = 0; // dottexture[x&3][y&3]*255;
data[y][x][2] = 0; //dottexture[x&3][y&3]*255;
data[y][x][3] = 255;
}
}
r_notexture = GL_LoadPic ("***r_notexture***", (byte *)data, 8, 8, it_wall, 32);
}
/*
==============================================================================
SCREEN SHOTS
==============================================================================
*/
typedef struct _TargaHeader {
unsigned char id_length, colormap_type, image_type;
unsigned short colormap_index, colormap_length;
unsigned char colormap_size;
unsigned short x_origin, y_origin, width, height;
unsigned char pixel_size, attributes;
} TargaHeader;
/*
==================
GL_ScreenShot_f
==================
*/
void GL_ScreenShot_f (void)
{
byte *buffer;
char picname[80];
char checkname[MAX_OSPATH];
int i, c, temp;
FILE *f;
// create the scrnshots directory if it doesn't exist
Com_sprintf (checkname, sizeof(checkname), "%s/scrnshot", ri.FS_Gamedir());
Sys_Mkdir (checkname);
//
// find a file name to save it to
//
strcpy(picname,"quake00.tga");
for (i=0 ; i<=99 ; i++)
{
picname[5] = i/10 + '0';
picname[6] = i%10 + '0';
Com_sprintf (checkname, sizeof(checkname), "%s/scrnshot/%s", ri.FS_Gamedir(), picname);
f = fopen (checkname, "rb");
if (!f)
break; // file doesn't exist
fclose (f);
}
if (i==100)
{
ri.Con_Printf (PRINT_ALL, "SCR_ScreenShot_f: Couldn't create a file\n");
return;
}
buffer = malloc(vid.width*vid.height*3 + 18);
memset (buffer, 0, 18);
buffer[2] = 2; // uncompressed type
buffer[12] = vid.width&255;
buffer[13] = vid.width>>8;
buffer[14] = vid.height&255;
buffer[15] = vid.height>>8;
buffer[16] = 24; // pixel size
qglReadPixels (0, 0, vid.width, vid.height, GL_RGB, GL_UNSIGNED_BYTE, buffer+18 );
// swap rgb to bgr
c = 18+vid.width*vid.height*3;
for (i=18 ; i<c ; i+=3)
{
temp = buffer[i];
buffer[i] = buffer[i+2];
buffer[i+2] = temp;
}
f = fopen (checkname, "wb");
fwrite (buffer, 1, c, f);
fclose (f);
free (buffer);
ri.Con_Printf (PRINT_ALL, "Wrote %s\n", picname);
}
/*
** GL_Strings_f
*/
void GL_Strings_f( void )
{
ri.Con_Printf (PRINT_ALL, "GL_VENDOR: %s\n", gl_config.vendor_string );
ri.Con_Printf (PRINT_ALL, "GL_RENDERER: %s\n", gl_config.renderer_string );
ri.Con_Printf (PRINT_ALL, "GL_VERSION: %s\n", gl_config.version_string );
ri.Con_Printf (PRINT_ALL, "GL_EXTENSIONS: %s\n", gl_config.extensions_string );
}
/*
** GL_SetDefaultState
*/
void GL_SetDefaultState( void )
{
qglClearColor (1,0, 0.5 , 0.5);
qglCullFace(GL_FRONT);
qglEnable(GL_TEXTURE_2D);
qglEnable(GL_ALPHA_TEST);
qglAlphaFunc(GL_GREATER, 0.666);
qglDisable (GL_DEPTH_TEST);
qglDisable (GL_CULL_FACE);
qglDisable (GL_BLEND);
qglColor4f (1,1,1,1);
qglPolygonMode (GL_FRONT_AND_BACK, GL_FILL);
qglShadeModel (GL_FLAT);
GL_TextureMode( gl_texturemode->string );
GL_TextureAlphaMode( gl_texturealphamode->string );
GL_TextureSolidMode( gl_texturesolidmode->string );
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, gl_filter_min);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, gl_filter_max);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
qglTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
qglBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_TexEnv( GL_REPLACE );
if ( qglPointParameterfEXT )
{
float attenuations[3];
attenuations[0] = gl_particle_att_a->value;
attenuations[1] = gl_particle_att_b->value;
attenuations[2] = gl_particle_att_c->value;
qglEnable( GL_POINT_SMOOTH );
qglPointParameterfEXT( GL_POINT_SIZE_MIN_EXT, gl_particle_min_size->value );
qglPointParameterfEXT( GL_POINT_SIZE_MAX_EXT, gl_particle_max_size->value );
qglPointParameterfvEXT( GL_DISTANCE_ATTENUATION_EXT, attenuations );
}
if ( qglColorTableEXT && gl_ext_palettedtexture->value )
{
qglEnable( GL_SHARED_TEXTURE_PALETTE_EXT );
GL_SetTexturePalette( d_8to24table );
}
GL_UpdateSwapInterval();
}
void GL_UpdateSwapInterval( void )
{
if ( gl_swapinterval->modified )
{
gl_swapinterval->modified = false;
if ( !gl_state.stereo_enabled )
{
#ifdef _WIN32
if ( qwglSwapIntervalEXT )
qwglSwapIntervalEXT( gl_swapinterval->value );
#endif
}
}
}

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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// gl_warp.c -- sky and water polygons
#include "gl_local.h"
extern model_t *loadmodel;
char skyname[MAX_QPATH];
float skyrotate;
vec3_t skyaxis;
image_t *sky_images[6];
msurface_t *warpface;
#define SUBDIVIDE_SIZE 64
//#define SUBDIVIDE_SIZE 1024
void BoundPoly (int numverts, float *verts, vec3_t mins, vec3_t maxs)
{
int i, j;
float *v;
mins[0] = mins[1] = mins[2] = 9999;
maxs[0] = maxs[1] = maxs[2] = -9999;
v = verts;
for (i=0 ; i<numverts ; i++)
for (j=0 ; j<3 ; j++, v++)
{
if (*v < mins[j])
mins[j] = *v;
if (*v > maxs[j])
maxs[j] = *v;
}
}
void SubdividePolygon (int numverts, float *verts)
{
int i, j, k;
vec3_t mins, maxs;
float m;
float *v;
vec3_t front[64], back[64];
int f, b;
float dist[64];
float frac;
glpoly_t *poly;
float s, t;
vec3_t total;
float total_s, total_t;
if (numverts > 60)
ri.Sys_Error (ERR_DROP, "numverts = %i", numverts);
BoundPoly (numverts, verts, mins, maxs);
for (i=0 ; i<3 ; i++)
{
m = (mins[i] + maxs[i]) * 0.5;
m = SUBDIVIDE_SIZE * floor (m/SUBDIVIDE_SIZE + 0.5);
if (maxs[i] - m < 8)
continue;
if (m - mins[i] < 8)
continue;
// cut it
v = verts + i;
for (j=0 ; j<numverts ; j++, v+= 3)
dist[j] = *v - m;
// wrap cases
dist[j] = dist[0];
v-=i;
VectorCopy (verts, v);
f = b = 0;
v = verts;
for (j=0 ; j<numverts ; j++, v+= 3)
{
if (dist[j] >= 0)
{
VectorCopy (v, front[f]);
f++;
}
if (dist[j] <= 0)
{
VectorCopy (v, back[b]);
b++;
}
if (dist[j] == 0 || dist[j+1] == 0)
continue;
if ( (dist[j] > 0) != (dist[j+1] > 0) )
{
// clip point
frac = dist[j] / (dist[j] - dist[j+1]);
for (k=0 ; k<3 ; k++)
front[f][k] = back[b][k] = v[k] + frac*(v[3+k] - v[k]);
f++;
b++;
}
}
SubdividePolygon (f, front[0]);
SubdividePolygon (b, back[0]);
return;
}
// add a point in the center to help keep warp valid
poly = Hunk_Alloc (sizeof(glpoly_t) + ((numverts-4)+2) * VERTEXSIZE*sizeof(float));
poly->next = warpface->polys;
warpface->polys = poly;
poly->numverts = numverts+2;
VectorClear (total);
total_s = 0;
total_t = 0;
for (i=0 ; i<numverts ; i++, verts+= 3)
{
VectorCopy (verts, poly->verts[i+1]);
s = DotProduct (verts, warpface->texinfo->vecs[0]);
t = DotProduct (verts, warpface->texinfo->vecs[1]);
total_s += s;
total_t += t;
VectorAdd (total, verts, total);
poly->verts[i+1][3] = s;
poly->verts[i+1][4] = t;
}
VectorScale (total, (1.0/numverts), poly->verts[0]);
poly->verts[0][3] = total_s/numverts;
poly->verts[0][4] = total_t/numverts;
// copy first vertex to last
memcpy (poly->verts[i+1], poly->verts[1], sizeof(poly->verts[0]));
}
/*
================
GL_SubdivideSurface
Breaks a polygon up along axial 64 unit
boundaries so that turbulent and sky warps
can be done reasonably.
================
*/
void GL_SubdivideSurface (msurface_t *fa)
{
vec3_t verts[64];
int numverts;
int i;
int lindex;
float *vec;
warpface = fa;
//
// convert edges back to a normal polygon
//
numverts = 0;
for (i=0 ; i<fa->numedges ; i++)
{
lindex = loadmodel->surfedges[fa->firstedge + i];
if (lindex > 0)
vec = loadmodel->vertexes[loadmodel->edges[lindex].v[0]].position;
else
vec = loadmodel->vertexes[loadmodel->edges[-lindex].v[1]].position;
VectorCopy (vec, verts[numverts]);
numverts++;
}
SubdividePolygon (numverts, verts[0]);
}
//=========================================================
// speed up sin calculations - Ed
float r_turbsin[] =
{
#include "warpsin.h"
};
#define TURBSCALE (256.0 / (2 * M_PI))
/*
=============
EmitWaterPolys
Does a water warp on the pre-fragmented glpoly_t chain
=============
*/
void EmitWaterPolys (msurface_t *fa)
{
glpoly_t *p, *bp;
float *v;
int i;
float s, t, os, ot;
float scroll;
float rdt = r_newrefdef.time;
if (fa->texinfo->flags & SURF_FLOWING)
scroll = -64 * ( (r_newrefdef.time*0.5) - (int)(r_newrefdef.time*0.5) );
else
scroll = 0;
for (bp=fa->polys ; bp ; bp=bp->next)
{
p = bp;
qglBegin (GL_TRIANGLE_FAN);
for (i=0,v=p->verts[0] ; i<p->numverts ; i++, v+=VERTEXSIZE)
{
os = v[3];
ot = v[4];
#if !id386
s = os + r_turbsin[(int)((ot*0.125+r_newrefdef.time) * TURBSCALE) & 255];
#else
s = os + r_turbsin[Q_ftol( ((ot*0.125+rdt) * TURBSCALE) ) & 255];
#endif
s += scroll;
s *= (1.0/64);
#if !id386
t = ot + r_turbsin[(int)((os*0.125+rdt) * TURBSCALE) & 255];
#else
t = ot + r_turbsin[Q_ftol( ((os*0.125+rdt) * TURBSCALE) ) & 255];
#endif
t *= (1.0/64);
qglTexCoord2f (s, t);
qglVertex3fv (v);
}
qglEnd ();
}
}
//===================================================================
vec3_t skyclip[6] = {
{1,1,0},
{1,-1,0},
{0,-1,1},
{0,1,1},
{1,0,1},
{-1,0,1}
};
int c_sky;
// 1 = s, 2 = t, 3 = 2048
int st_to_vec[6][3] =
{
{3,-1,2},
{-3,1,2},
{1,3,2},
{-1,-3,2},
{-2,-1,3}, // 0 degrees yaw, look straight up
{2,-1,-3} // look straight down
// {-1,2,3},
// {1,2,-3}
};
// s = [0]/[2], t = [1]/[2]
int vec_to_st[6][3] =
{
{-2,3,1},
{2,3,-1},
{1,3,2},
{-1,3,-2},
{-2,-1,3},
{-2,1,-3}
// {-1,2,3},
// {1,2,-3}
};
float skymins[2][6], skymaxs[2][6];
float sky_min, sky_max;
void DrawSkyPolygon (int nump, vec3_t vecs)
{
int i,j;
vec3_t v, av;
float s, t, dv;
int axis;
float *vp;
c_sky++;
#if 0
glBegin (GL_POLYGON);
for (i=0 ; i<nump ; i++, vecs+=3)
{
VectorAdd(vecs, r_origin, v);
qglVertex3fv (v);
}
glEnd();
return;
#endif
// decide which face it maps to
VectorCopy (vec3_origin, v);
for (i=0, vp=vecs ; i<nump ; i++, vp+=3)
{
VectorAdd (vp, v, v);
}
av[0] = fabs(v[0]);
av[1] = fabs(v[1]);
av[2] = fabs(v[2]);
if (av[0] > av[1] && av[0] > av[2])
{
if (v[0] < 0)
axis = 1;
else
axis = 0;
}
else if (av[1] > av[2] && av[1] > av[0])
{
if (v[1] < 0)
axis = 3;
else
axis = 2;
}
else
{
if (v[2] < 0)
axis = 5;
else
axis = 4;
}
// project new texture coords
for (i=0 ; i<nump ; i++, vecs+=3)
{
j = vec_to_st[axis][2];
if (j > 0)
dv = vecs[j - 1];
else
dv = -vecs[-j - 1];
if (dv < 0.001)
continue; // don't divide by zero
j = vec_to_st[axis][0];
if (j < 0)
s = -vecs[-j -1] / dv;
else
s = vecs[j-1] / dv;
j = vec_to_st[axis][1];
if (j < 0)
t = -vecs[-j -1] / dv;
else
t = vecs[j-1] / dv;
if (s < skymins[0][axis])
skymins[0][axis] = s;
if (t < skymins[1][axis])
skymins[1][axis] = t;
if (s > skymaxs[0][axis])
skymaxs[0][axis] = s;
if (t > skymaxs[1][axis])
skymaxs[1][axis] = t;
}
}
#define ON_EPSILON 0.1 // point on plane side epsilon
#define MAX_CLIP_VERTS 64
void ClipSkyPolygon (int nump, vec3_t vecs, int stage)
{
float *norm;
float *v;
qboolean front, back;
float d, e;
float dists[MAX_CLIP_VERTS];
int sides[MAX_CLIP_VERTS];
vec3_t newv[2][MAX_CLIP_VERTS];
int newc[2];
int i, j;
if (nump > MAX_CLIP_VERTS-2)
ri.Sys_Error (ERR_DROP, "ClipSkyPolygon: MAX_CLIP_VERTS");
if (stage == 6)
{ // fully clipped, so draw it
DrawSkyPolygon (nump, vecs);
return;
}
front = back = false;
norm = skyclip[stage];
for (i=0, v = vecs ; i<nump ; i++, v+=3)
{
d = DotProduct (v, norm);
if (d > ON_EPSILON)
{
front = true;
sides[i] = SIDE_FRONT;
}
else if (d < -ON_EPSILON)
{
back = true;
sides[i] = SIDE_BACK;
}
else
sides[i] = SIDE_ON;
dists[i] = d;
}
if (!front || !back)
{ // not clipped
ClipSkyPolygon (nump, vecs, stage+1);
return;
}
// clip it
sides[i] = sides[0];
dists[i] = dists[0];
VectorCopy (vecs, (vecs+(i*3)) );
newc[0] = newc[1] = 0;
for (i=0, v = vecs ; i<nump ; i++, v+=3)
{
switch (sides[i])
{
case SIDE_FRONT:
VectorCopy (v, newv[0][newc[0]]);
newc[0]++;
break;
case SIDE_BACK:
VectorCopy (v, newv[1][newc[1]]);
newc[1]++;
break;
case SIDE_ON:
VectorCopy (v, newv[0][newc[0]]);
newc[0]++;
VectorCopy (v, newv[1][newc[1]]);
newc[1]++;
break;
}
if (sides[i] == SIDE_ON || sides[i+1] == SIDE_ON || sides[i+1] == sides[i])
continue;
d = dists[i] / (dists[i] - dists[i+1]);
for (j=0 ; j<3 ; j++)
{
e = v[j] + d*(v[j+3] - v[j]);
newv[0][newc[0]][j] = e;
newv[1][newc[1]][j] = e;
}
newc[0]++;
newc[1]++;
}
// continue
ClipSkyPolygon (newc[0], newv[0][0], stage+1);
ClipSkyPolygon (newc[1], newv[1][0], stage+1);
}
/*
=================
R_AddSkySurface
=================
*/
void R_AddSkySurface (msurface_t *fa)
{
int i;
vec3_t verts[MAX_CLIP_VERTS];
glpoly_t *p;
// calculate vertex values for sky box
for (p=fa->polys ; p ; p=p->next)
{
for (i=0 ; i<p->numverts ; i++)
{
VectorSubtract (p->verts[i], r_origin, verts[i]);
}
ClipSkyPolygon (p->numverts, verts[0], 0);
}
}
/*
==============
R_ClearSkyBox
==============
*/
void R_ClearSkyBox (void)
{
int i;
for (i=0 ; i<6 ; i++)
{
skymins[0][i] = skymins[1][i] = 9999;
skymaxs[0][i] = skymaxs[1][i] = -9999;
}
}
void MakeSkyVec (float s, float t, int axis)
{
vec3_t v, b;
int j, k;
b[0] = s*2300;
b[1] = t*2300;
b[2] = 2300;
for (j=0 ; j<3 ; j++)
{
k = st_to_vec[axis][j];
if (k < 0)
v[j] = -b[-k - 1];
else
v[j] = b[k - 1];
}
// avoid bilerp seam
s = (s+1)*0.5;
t = (t+1)*0.5;
if (s < sky_min)
s = sky_min;
else if (s > sky_max)
s = sky_max;
if (t < sky_min)
t = sky_min;
else if (t > sky_max)
t = sky_max;
t = 1.0 - t;
qglTexCoord2f (s, t);
qglVertex3fv (v);
}
/*
==============
R_DrawSkyBox
==============
*/
int skytexorder[6] = {0,2,1,3,4,5};
void R_DrawSkyBox (void)
{
int i;
#if 0
qglEnable (GL_BLEND);
GL_TexEnv( GL_MODULATE );
qglColor4f (1,1,1,0.5);
qglDisable (GL_DEPTH_TEST);
#endif
if (skyrotate)
{ // check for no sky at all
for (i=0 ; i<6 ; i++)
if (skymins[0][i] < skymaxs[0][i]
&& skymins[1][i] < skymaxs[1][i])
break;
if (i == 6)
return; // nothing visible
}
qglPushMatrix ();
qglTranslatef (r_origin[0], r_origin[1], r_origin[2]);
qglRotatef (r_newrefdef.time * skyrotate, skyaxis[0], skyaxis[1], skyaxis[2]);
for (i=0 ; i<6 ; i++)
{
if (skyrotate)
{ // hack, forces full sky to draw when rotating
skymins[0][i] = -1;
skymins[1][i] = -1;
skymaxs[0][i] = 1;
skymaxs[1][i] = 1;
}
if (skymins[0][i] >= skymaxs[0][i]
|| skymins[1][i] >= skymaxs[1][i])
continue;
GL_Bind (sky_images[skytexorder[i]]->texnum);
qglBegin (GL_QUADS);
MakeSkyVec (skymins[0][i], skymins[1][i], i);
MakeSkyVec (skymins[0][i], skymaxs[1][i], i);
MakeSkyVec (skymaxs[0][i], skymaxs[1][i], i);
MakeSkyVec (skymaxs[0][i], skymins[1][i], i);
qglEnd ();
}
qglPopMatrix ();
#if 0
glDisable (GL_BLEND);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glColor4f (1,1,1,0.5);
glEnable (GL_DEPTH_TEST);
#endif
}
/*
============
R_SetSky
============
*/
// 3dstudio environment map names
char *suf[6] = {"rt", "bk", "lf", "ft", "up", "dn"};
void R_SetSky (char *name, float rotate, vec3_t axis)
{
int i;
char pathname[MAX_QPATH];
strncpy (skyname, name, sizeof(skyname)-1);
skyrotate = rotate;
VectorCopy (axis, skyaxis);
for (i=0 ; i<6 ; i++)
{
// chop down rotating skies for less memory
if (gl_skymip->value || skyrotate)
gl_picmip->value++;
if ( qglColorTableEXT && gl_ext_palettedtexture->value )
Com_sprintf (pathname, sizeof(pathname), "env/%s%s.pcx", skyname, suf[i]);
else
Com_sprintf (pathname, sizeof(pathname), "env/%s%s.tga", skyname, suf[i]);
sky_images[i] = GL_FindImage (pathname, it_sky);
if (!sky_images[i])
sky_images[i] = r_notexture;
if (gl_skymip->value || skyrotate)
{ // take less memory
gl_picmip->value--;
sky_min = 1.0/256;
sky_max = 255.0/256;
}
else
{
sky_min = 1.0/512;
sky_max = 511.0/512;
}
}
}

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/*
Copyright (C) 1997-2001 Id Software, Inc.
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 the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
** QGL.H
*/
#ifndef __QGL_H__
#define __QGL_H__
#ifdef _WIN32
# include <windows.h>
#endif
#include <GL/gl.h>
#ifndef SOLARIS
//#include <GL/glext.h>
#endif
qboolean QGL_Init( const char *dllname );
void QGL_Shutdown( void );
#ifndef APIENTRY
# define APIENTRY
#endif
extern void ( APIENTRY * qglAccum )(GLenum op, GLfloat value);
extern void ( APIENTRY * qglAlphaFunc )(GLenum func, GLclampf ref);
extern GLboolean ( APIENTRY * qglAreTexturesResident )(GLsizei n, const GLuint *textures, GLboolean *residences);
extern void ( APIENTRY * qglArrayElement )(GLint i);
extern void ( APIENTRY * qglBegin )(GLenum mode);
extern void ( APIENTRY * qglBindTexture )(GLenum target, GLuint texture);
extern void ( APIENTRY * qglBitmap )(GLsizei width, GLsizei height, GLfloat xorig, GLfloat yorig, GLfloat xmove, GLfloat ymove, const GLubyte *bitmap);
extern void ( APIENTRY * qglBlendFunc )(GLenum sfactor, GLenum dfactor);
extern void ( APIENTRY * qglCallList )(GLuint list);
extern void ( APIENTRY * qglCallLists )(GLsizei n, GLenum type, const GLvoid *lists);
extern void ( APIENTRY * qglClear )(GLbitfield mask);
extern void ( APIENTRY * qglClearAccum )(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
extern void ( APIENTRY * qglClearColor )(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
extern void ( APIENTRY * qglClearDepth )(GLclampd depth);
extern void ( APIENTRY * qglClearIndex )(GLfloat c);
extern void ( APIENTRY * qglClearStencil )(GLint s);
extern void ( APIENTRY * qglClipPlane )(GLenum plane, const GLdouble *equation);
extern void ( APIENTRY * qglColor3b )(GLbyte red, GLbyte green, GLbyte blue);
extern void ( APIENTRY * qglColor3bv )(const GLbyte *v);
extern void ( APIENTRY * qglColor3d )(GLdouble red, GLdouble green, GLdouble blue);
extern void ( APIENTRY * qglColor3dv )(const GLdouble *v);
extern void ( APIENTRY * qglColor3f )(GLfloat red, GLfloat green, GLfloat blue);
extern void ( APIENTRY * qglColor3fv )(const GLfloat *v);
extern void ( APIENTRY * qglColor3i )(GLint red, GLint green, GLint blue);
extern void ( APIENTRY * qglColor3iv )(const GLint *v);
extern void ( APIENTRY * qglColor3s )(GLshort red, GLshort green, GLshort blue);
extern void ( APIENTRY * qglColor3sv )(const GLshort *v);
extern void ( APIENTRY * qglColor3ub )(GLubyte red, GLubyte green, GLubyte blue);
extern void ( APIENTRY * qglColor3ubv )(const GLubyte *v);
extern void ( APIENTRY * qglColor3ui )(GLuint red, GLuint green, GLuint blue);
extern void ( APIENTRY * qglColor3uiv )(const GLuint *v);
extern void ( APIENTRY * qglColor3us )(GLushort red, GLushort green, GLushort blue);
extern void ( APIENTRY * qglColor3usv )(const GLushort *v);
extern void ( APIENTRY * qglColor4b )(GLbyte red, GLbyte green, GLbyte blue, GLbyte alpha);
extern void ( APIENTRY * qglColor4bv )(const GLbyte *v);
extern void ( APIENTRY * qglColor4d )(GLdouble red, GLdouble green, GLdouble blue, GLdouble alpha);
extern void ( APIENTRY * qglColor4dv )(const GLdouble *v);
extern void ( APIENTRY * qglColor4f )(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
extern void ( APIENTRY * qglColor4fv )(const GLfloat *v);
extern void ( APIENTRY * qglColor4i )(GLint red, GLint green, GLint blue, GLint alpha);
extern void ( APIENTRY * qglColor4iv )(const GLint *v);
extern void ( APIENTRY * qglColor4s )(GLshort red, GLshort green, GLshort blue, GLshort alpha);
extern void ( APIENTRY * qglColor4sv )(const GLshort *v);
extern void ( APIENTRY * qglColor4ub )(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
extern void ( APIENTRY * qglColor4ubv )(const GLubyte *v);
extern void ( APIENTRY * qglColor4ui )(GLuint red, GLuint green, GLuint blue, GLuint alpha);
extern void ( APIENTRY * qglColor4uiv )(const GLuint *v);
extern void ( APIENTRY * qglColor4us )(GLushort red, GLushort green, GLushort blue, GLushort alpha);
extern void ( APIENTRY * qglColor4usv )(const GLushort *v);
extern void ( APIENTRY * qglColorMask )(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
extern void ( APIENTRY * qglColorMaterial )(GLenum face, GLenum mode);
extern void ( APIENTRY * qglColorPointer )(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern void ( APIENTRY * qglCopyPixels )(GLint x, GLint y, GLsizei width, GLsizei height, GLenum type);
extern void ( APIENTRY * qglCopyTexImage1D )(GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLint border);
extern void ( APIENTRY * qglCopyTexImage2D )(GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
extern void ( APIENTRY * qglCopyTexSubImage1D )(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
extern void ( APIENTRY * qglCopyTexSubImage2D )(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
extern void ( APIENTRY * qglCullFace )(GLenum mode);
extern void ( APIENTRY * qglDeleteLists )(GLuint list, GLsizei range);
extern void ( APIENTRY * qglDeleteTextures )(GLsizei n, const GLuint *textures);
extern void ( APIENTRY * qglDepthFunc )(GLenum func);
extern void ( APIENTRY * qglDepthMask )(GLboolean flag);
extern void ( APIENTRY * qglDepthRange )(GLclampd zNear, GLclampd zFar);
extern void ( APIENTRY * qglDisable )(GLenum cap);
extern void ( APIENTRY * qglDisableClientState )(GLenum array);
extern void ( APIENTRY * qglDrawArrays )(GLenum mode, GLint first, GLsizei count);
extern void ( APIENTRY * qglDrawBuffer )(GLenum mode);
extern void ( APIENTRY * qglDrawElements )(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
extern void ( APIENTRY * qglDrawPixels )(GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
extern void ( APIENTRY * qglEdgeFlag )(GLboolean flag);
extern void ( APIENTRY * qglEdgeFlagPointer )(GLsizei stride, const GLvoid *pointer);
extern void ( APIENTRY * qglEdgeFlagv )(const GLboolean *flag);
extern void ( APIENTRY * qglEnable )(GLenum cap);
extern void ( APIENTRY * qglEnableClientState )(GLenum array);
extern void ( APIENTRY * qglEnd )(void);
extern void ( APIENTRY * qglEndList )(void);
extern void ( APIENTRY * qglEvalCoord1d )(GLdouble u);
extern void ( APIENTRY * qglEvalCoord1dv )(const GLdouble *u);
extern void ( APIENTRY * qglEvalCoord1f )(GLfloat u);
extern void ( APIENTRY * qglEvalCoord1fv )(const GLfloat *u);
extern void ( APIENTRY * qglEvalCoord2d )(GLdouble u, GLdouble v);
extern void ( APIENTRY * qglEvalCoord2dv )(const GLdouble *u);
extern void ( APIENTRY * qglEvalCoord2f )(GLfloat u, GLfloat v);
extern void ( APIENTRY * qglEvalCoord2fv )(const GLfloat *u);
extern void ( APIENTRY * qglEvalMesh1 )(GLenum mode, GLint i1, GLint i2);
extern void ( APIENTRY * qglEvalMesh2 )(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2);
extern void ( APIENTRY * qglEvalPoint1 )(GLint i);
extern void ( APIENTRY * qglEvalPoint2 )(GLint i, GLint j);
extern void ( APIENTRY * qglFeedbackBuffer )(GLsizei size, GLenum type, GLfloat *buffer);
extern void ( APIENTRY * qglFinish )(void);
extern void ( APIENTRY * qglFlush )(void);
extern void ( APIENTRY * qglFogf )(GLenum pname, GLfloat param);
extern void ( APIENTRY * qglFogfv )(GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglFogi )(GLenum pname, GLint param);
extern void ( APIENTRY * qglFogiv )(GLenum pname, const GLint *params);
extern void ( APIENTRY * qglFrontFace )(GLenum mode);
extern void ( APIENTRY * qglFrustum )(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear, GLdouble zFar);
extern GLuint ( APIENTRY * qglGenLists )(GLsizei range);
extern void ( APIENTRY * qglGenTextures )(GLsizei n, GLuint *textures);
extern void ( APIENTRY * qglGetBooleanv )(GLenum pname, GLboolean *params);
extern void ( APIENTRY * qglGetClipPlane )(GLenum plane, GLdouble *equation);
extern void ( APIENTRY * qglGetDoublev )(GLenum pname, GLdouble *params);
extern GLenum ( APIENTRY * qglGetError )(void);
extern void ( APIENTRY * qglGetFloatv )(GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetIntegerv )(GLenum pname, GLint *params);
extern void ( APIENTRY * qglGetLightfv )(GLenum light, GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetLightiv )(GLenum light, GLenum pname, GLint *params);
extern void ( APIENTRY * qglGetMapdv )(GLenum target, GLenum query, GLdouble *v);
extern void ( APIENTRY * qglGetMapfv )(GLenum target, GLenum query, GLfloat *v);
extern void ( APIENTRY * qglGetMapiv )(GLenum target, GLenum query, GLint *v);
extern void ( APIENTRY * qglGetMaterialfv )(GLenum face, GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetMaterialiv )(GLenum face, GLenum pname, GLint *params);
extern void ( APIENTRY * qglGetPixelMapfv )(GLenum map, GLfloat *values);
extern void ( APIENTRY * qglGetPixelMapuiv )(GLenum map, GLuint *values);
extern void ( APIENTRY * qglGetPixelMapusv )(GLenum map, GLushort *values);
extern void ( APIENTRY * qglGetPointerv )(GLenum pname, GLvoid* *params);
extern void ( APIENTRY * qglGetPolygonStipple )(GLubyte *mask);
extern const GLubyte * ( APIENTRY * qglGetString )(GLenum name);
extern void ( APIENTRY * qglGetTexEnvfv )(GLenum target, GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetTexEnviv )(GLenum target, GLenum pname, GLint *params);
extern void ( APIENTRY * qglGetTexGendv )(GLenum coord, GLenum pname, GLdouble *params);
extern void ( APIENTRY * qglGetTexGenfv )(GLenum coord, GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetTexGeniv )(GLenum coord, GLenum pname, GLint *params);
extern void ( APIENTRY * qglGetTexImage )(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
extern void ( APIENTRY * qglGetTexLevelParameterfv )(GLenum target, GLint level, GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetTexLevelParameteriv )(GLenum target, GLint level, GLenum pname, GLint *params);
extern void ( APIENTRY * qglGetTexParameterfv )(GLenum target, GLenum pname, GLfloat *params);
extern void ( APIENTRY * qglGetTexParameteriv )(GLenum target, GLenum pname, GLint *params);
extern void ( APIENTRY * qglHint )(GLenum target, GLenum mode);
extern void ( APIENTRY * qglIndexMask )(GLuint mask);
extern void ( APIENTRY * qglIndexPointer )(GLenum type, GLsizei stride, const GLvoid *pointer);
extern void ( APIENTRY * qglIndexd )(GLdouble c);
extern void ( APIENTRY * qglIndexdv )(const GLdouble *c);
extern void ( APIENTRY * qglIndexf )(GLfloat c);
extern void ( APIENTRY * qglIndexfv )(const GLfloat *c);
extern void ( APIENTRY * qglIndexi )(GLint c);
extern void ( APIENTRY * qglIndexiv )(const GLint *c);
extern void ( APIENTRY * qglIndexs )(GLshort c);
extern void ( APIENTRY * qglIndexsv )(const GLshort *c);
extern void ( APIENTRY * qglIndexub )(GLubyte c);
extern void ( APIENTRY * qglIndexubv )(const GLubyte *c);
extern void ( APIENTRY * qglInitNames )(void);
extern void ( APIENTRY * qglInterleavedArrays )(GLenum format, GLsizei stride, const GLvoid *pointer);
extern GLboolean ( APIENTRY * qglIsEnabled )(GLenum cap);
extern GLboolean ( APIENTRY * qglIsList )(GLuint list);
extern GLboolean ( APIENTRY * qglIsTexture )(GLuint texture);
extern void ( APIENTRY * qglLightModelf )(GLenum pname, GLfloat param);
extern void ( APIENTRY * qglLightModelfv )(GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglLightModeli )(GLenum pname, GLint param);
extern void ( APIENTRY * qglLightModeliv )(GLenum pname, const GLint *params);
extern void ( APIENTRY * qglLightf )(GLenum light, GLenum pname, GLfloat param);
extern void ( APIENTRY * qglLightfv )(GLenum light, GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglLighti )(GLenum light, GLenum pname, GLint param);
extern void ( APIENTRY * qglLightiv )(GLenum light, GLenum pname, const GLint *params);
extern void ( APIENTRY * qglLineStipple )(GLint factor, GLushort pattern);
extern void ( APIENTRY * qglLineWidth )(GLfloat width);
extern void ( APIENTRY * qglListBase )(GLuint base);
extern void ( APIENTRY * qglLoadIdentity )(void);
extern void ( APIENTRY * qglLoadMatrixd )(const GLdouble *m);
extern void ( APIENTRY * qglLoadMatrixf )(const GLfloat *m);
extern void ( APIENTRY * qglLoadName )(GLuint name);
extern void ( APIENTRY * qglLogicOp )(GLenum opcode);
extern void ( APIENTRY * qglMap1d )(GLenum target, GLdouble u1, GLdouble u2, GLint stride, GLint order, const GLdouble *points);
extern void ( APIENTRY * qglMap1f )(GLenum target, GLfloat u1, GLfloat u2, GLint stride, GLint order, const GLfloat *points);
extern void ( APIENTRY * qglMap2d )(GLenum target, GLdouble u1, GLdouble u2, GLint ustride, GLint uorder, GLdouble v1, GLdouble v2, GLint vstride, GLint vorder, const GLdouble *points);
extern void ( APIENTRY * qglMap2f )(GLenum target, GLfloat u1, GLfloat u2, GLint ustride, GLint uorder, GLfloat v1, GLfloat v2, GLint vstride, GLint vorder, const GLfloat *points);
extern void ( APIENTRY * qglMapGrid1d )(GLint un, GLdouble u1, GLdouble u2);
extern void ( APIENTRY * qglMapGrid1f )(GLint un, GLfloat u1, GLfloat u2);
extern void ( APIENTRY * qglMapGrid2d )(GLint un, GLdouble u1, GLdouble u2, GLint vn, GLdouble v1, GLdouble v2);
extern void ( APIENTRY * qglMapGrid2f )(GLint un, GLfloat u1, GLfloat u2, GLint vn, GLfloat v1, GLfloat v2);
extern void ( APIENTRY * qglMaterialf )(GLenum face, GLenum pname, GLfloat param);
extern void ( APIENTRY * qglMaterialfv )(GLenum face, GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglMateriali )(GLenum face, GLenum pname, GLint param);
extern void ( APIENTRY * qglMaterialiv )(GLenum face, GLenum pname, const GLint *params);
extern void ( APIENTRY * qglMatrixMode )(GLenum mode);
extern void ( APIENTRY * qglMultMatrixd )(const GLdouble *m);
extern void ( APIENTRY * qglMultMatrixf )(const GLfloat *m);
extern void ( APIENTRY * qglNewList )(GLuint list, GLenum mode);
extern void ( APIENTRY * qglNormal3b )(GLbyte nx, GLbyte ny, GLbyte nz);
extern void ( APIENTRY * qglNormal3bv )(const GLbyte *v);
extern void ( APIENTRY * qglNormal3d )(GLdouble nx, GLdouble ny, GLdouble nz);
extern void ( APIENTRY * qglNormal3dv )(const GLdouble *v);
extern void ( APIENTRY * qglNormal3f )(GLfloat nx, GLfloat ny, GLfloat nz);
extern void ( APIENTRY * qglNormal3fv )(const GLfloat *v);
extern void ( APIENTRY * qglNormal3i )(GLint nx, GLint ny, GLint nz);
extern void ( APIENTRY * qglNormal3iv )(const GLint *v);
extern void ( APIENTRY * qglNormal3s )(GLshort nx, GLshort ny, GLshort nz);
extern void ( APIENTRY * qglNormal3sv )(const GLshort *v);
extern void ( APIENTRY * qglNormalPointer )(GLenum type, GLsizei stride, const GLvoid *pointer);
extern void ( APIENTRY * qglOrtho )(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble zNear, GLdouble zFar);
extern void ( APIENTRY * qglPassThrough )(GLfloat token);
extern void ( APIENTRY * qglPixelMapfv )(GLenum map, GLsizei mapsize, const GLfloat *values);
extern void ( APIENTRY * qglPixelMapuiv )(GLenum map, GLsizei mapsize, const GLuint *values);
extern void ( APIENTRY * qglPixelMapusv )(GLenum map, GLsizei mapsize, const GLushort *values);
extern void ( APIENTRY * qglPixelStoref )(GLenum pname, GLfloat param);
extern void ( APIENTRY * qglPixelStorei )(GLenum pname, GLint param);
extern void ( APIENTRY * qglPixelTransferf )(GLenum pname, GLfloat param);
extern void ( APIENTRY * qglPixelTransferi )(GLenum pname, GLint param);
extern void ( APIENTRY * qglPixelZoom )(GLfloat xfactor, GLfloat yfactor);
extern void ( APIENTRY * qglPointSize )(GLfloat size);
extern void ( APIENTRY * qglPolygonMode )(GLenum face, GLenum mode);
extern void ( APIENTRY * qglPolygonOffset )(GLfloat factor, GLfloat units);
extern void ( APIENTRY * qglPolygonStipple )(const GLubyte *mask);
extern void ( APIENTRY * qglPopAttrib )(void);
extern void ( APIENTRY * qglPopClientAttrib )(void);
extern void ( APIENTRY * qglPopMatrix )(void);
extern void ( APIENTRY * qglPopName )(void);
extern void ( APIENTRY * qglPrioritizeTextures )(GLsizei n, const GLuint *textures, const GLclampf *priorities);
extern void ( APIENTRY * qglPushAttrib )(GLbitfield mask);
extern void ( APIENTRY * qglPushClientAttrib )(GLbitfield mask);
extern void ( APIENTRY * qglPushMatrix )(void);
extern void ( APIENTRY * qglPushName )(GLuint name);
extern void ( APIENTRY * qglRasterPos2d )(GLdouble x, GLdouble y);
extern void ( APIENTRY * qglRasterPos2dv )(const GLdouble *v);
extern void ( APIENTRY * qglRasterPos2f )(GLfloat x, GLfloat y);
extern void ( APIENTRY * qglRasterPos2fv )(const GLfloat *v);
extern void ( APIENTRY * qglRasterPos2i )(GLint x, GLint y);
extern void ( APIENTRY * qglRasterPos2iv )(const GLint *v);
extern void ( APIENTRY * qglRasterPos2s )(GLshort x, GLshort y);
extern void ( APIENTRY * qglRasterPos2sv )(const GLshort *v);
extern void ( APIENTRY * qglRasterPos3d )(GLdouble x, GLdouble y, GLdouble z);
extern void ( APIENTRY * qglRasterPos3dv )(const GLdouble *v);
extern void ( APIENTRY * qglRasterPos3f )(GLfloat x, GLfloat y, GLfloat z);
extern void ( APIENTRY * qglRasterPos3fv )(const GLfloat *v);
extern void ( APIENTRY * qglRasterPos3i )(GLint x, GLint y, GLint z);
extern void ( APIENTRY * qglRasterPos3iv )(const GLint *v);
extern void ( APIENTRY * qglRasterPos3s )(GLshort x, GLshort y, GLshort z);
extern void ( APIENTRY * qglRasterPos3sv )(const GLshort *v);
extern void ( APIENTRY * qglRasterPos4d )(GLdouble x, GLdouble y, GLdouble z, GLdouble w);
extern void ( APIENTRY * qglRasterPos4dv )(const GLdouble *v);
extern void ( APIENTRY * qglRasterPos4f )(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
extern void ( APIENTRY * qglRasterPos4fv )(const GLfloat *v);
extern void ( APIENTRY * qglRasterPos4i )(GLint x, GLint y, GLint z, GLint w);
extern void ( APIENTRY * qglRasterPos4iv )(const GLint *v);
extern void ( APIENTRY * qglRasterPos4s )(GLshort x, GLshort y, GLshort z, GLshort w);
extern void ( APIENTRY * qglRasterPos4sv )(const GLshort *v);
extern void ( APIENTRY * qglReadBuffer )(GLenum mode);
extern void ( APIENTRY * qglReadPixels )(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
extern void ( APIENTRY * qglRectd )(GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2);
extern void ( APIENTRY * qglRectdv )(const GLdouble *v1, const GLdouble *v2);
extern void ( APIENTRY * qglRectf )(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2);
extern void ( APIENTRY * qglRectfv )(const GLfloat *v1, const GLfloat *v2);
extern void ( APIENTRY * qglRecti )(GLint x1, GLint y1, GLint x2, GLint y2);
extern void ( APIENTRY * qglRectiv )(const GLint *v1, const GLint *v2);
extern void ( APIENTRY * qglRects )(GLshort x1, GLshort y1, GLshort x2, GLshort y2);
extern void ( APIENTRY * qglRectsv )(const GLshort *v1, const GLshort *v2);
extern GLint ( APIENTRY * qglRenderMode )(GLenum mode);
extern void ( APIENTRY * qglRotated )(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
extern void ( APIENTRY * qglRotatef )(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
extern void ( APIENTRY * qglScaled )(GLdouble x, GLdouble y, GLdouble z);
extern void ( APIENTRY * qglScalef )(GLfloat x, GLfloat y, GLfloat z);
extern void ( APIENTRY * qglScissor )(GLint x, GLint y, GLsizei width, GLsizei height);
extern void ( APIENTRY * qglSelectBuffer )(GLsizei size, GLuint *buffer);
extern void ( APIENTRY * qglShadeModel )(GLenum mode);
extern void ( APIENTRY * qglStencilFunc )(GLenum func, GLint ref, GLuint mask);
extern void ( APIENTRY * qglStencilMask )(GLuint mask);
extern void ( APIENTRY * qglStencilOp )(GLenum fail, GLenum zfail, GLenum zpass);
extern void ( APIENTRY * qglTexCoord1d )(GLdouble s);
extern void ( APIENTRY * qglTexCoord1dv )(const GLdouble *v);
extern void ( APIENTRY * qglTexCoord1f )(GLfloat s);
extern void ( APIENTRY * qglTexCoord1fv )(const GLfloat *v);
extern void ( APIENTRY * qglTexCoord1i )(GLint s);
extern void ( APIENTRY * qglTexCoord1iv )(const GLint *v);
extern void ( APIENTRY * qglTexCoord1s )(GLshort s);
extern void ( APIENTRY * qglTexCoord1sv )(const GLshort *v);
extern void ( APIENTRY * qglTexCoord2d )(GLdouble s, GLdouble t);
extern void ( APIENTRY * qglTexCoord2dv )(const GLdouble *v);
extern void ( APIENTRY * qglTexCoord2f )(GLfloat s, GLfloat t);
extern void ( APIENTRY * qglTexCoord2fv )(const GLfloat *v);
extern void ( APIENTRY * qglTexCoord2i )(GLint s, GLint t);
extern void ( APIENTRY * qglTexCoord2iv )(const GLint *v);
extern void ( APIENTRY * qglTexCoord2s )(GLshort s, GLshort t);
extern void ( APIENTRY * qglTexCoord2sv )(const GLshort *v);
extern void ( APIENTRY * qglTexCoord3d )(GLdouble s, GLdouble t, GLdouble r);
extern void ( APIENTRY * qglTexCoord3dv )(const GLdouble *v);
extern void ( APIENTRY * qglTexCoord3f )(GLfloat s, GLfloat t, GLfloat r);
extern void ( APIENTRY * qglTexCoord3fv )(const GLfloat *v);
extern void ( APIENTRY * qglTexCoord3i )(GLint s, GLint t, GLint r);
extern void ( APIENTRY * qglTexCoord3iv )(const GLint *v);
extern void ( APIENTRY * qglTexCoord3s )(GLshort s, GLshort t, GLshort r);
extern void ( APIENTRY * qglTexCoord3sv )(const GLshort *v);
extern void ( APIENTRY * qglTexCoord4d )(GLdouble s, GLdouble t, GLdouble r, GLdouble q);
extern void ( APIENTRY * qglTexCoord4dv )(const GLdouble *v);
extern void ( APIENTRY * qglTexCoord4f )(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
extern void ( APIENTRY * qglTexCoord4fv )(const GLfloat *v);
extern void ( APIENTRY * qglTexCoord4i )(GLint s, GLint t, GLint r, GLint q);
extern void ( APIENTRY * qglTexCoord4iv )(const GLint *v);
extern void ( APIENTRY * qglTexCoord4s )(GLshort s, GLshort t, GLshort r, GLshort q);
extern void ( APIENTRY * qglTexCoord4sv )(const GLshort *v);
extern void ( APIENTRY * qglTexCoordPointer )(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern void ( APIENTRY * qglTexEnvf )(GLenum target, GLenum pname, GLfloat param);
extern void ( APIENTRY * qglTexEnvfv )(GLenum target, GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglTexEnvi )(GLenum target, GLenum pname, GLint param);
extern void ( APIENTRY * qglTexEnviv )(GLenum target, GLenum pname, const GLint *params);
extern void ( APIENTRY * qglTexGend )(GLenum coord, GLenum pname, GLdouble param);
extern void ( APIENTRY * qglTexGendv )(GLenum coord, GLenum pname, const GLdouble *params);
extern void ( APIENTRY * qglTexGenf )(GLenum coord, GLenum pname, GLfloat param);
extern void ( APIENTRY * qglTexGenfv )(GLenum coord, GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglTexGeni )(GLenum coord, GLenum pname, GLint param);
extern void ( APIENTRY * qglTexGeniv )(GLenum coord, GLenum pname, const GLint *params);
extern void ( APIENTRY * qglTexImage1D )(GLenum target, GLint level, GLint internalformat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
extern void ( APIENTRY * qglTexImage2D )(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
extern void ( APIENTRY * qglTexParameterf )(GLenum target, GLenum pname, GLfloat param);
extern void ( APIENTRY * qglTexParameterfv )(GLenum target, GLenum pname, const GLfloat *params);
extern void ( APIENTRY * qglTexParameteri )(GLenum target, GLenum pname, GLint param);
extern void ( APIENTRY * qglTexParameteriv )(GLenum target, GLenum pname, const GLint *params);
extern void ( APIENTRY * qglTexSubImage1D )(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
extern void ( APIENTRY * qglTexSubImage2D )(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
extern void ( APIENTRY * qglTranslated )(GLdouble x, GLdouble y, GLdouble z);
extern void ( APIENTRY * qglTranslatef )(GLfloat x, GLfloat y, GLfloat z);
extern void ( APIENTRY * qglVertex2d )(GLdouble x, GLdouble y);
extern void ( APIENTRY * qglVertex2dv )(const GLdouble *v);
extern void ( APIENTRY * qglVertex2f )(GLfloat x, GLfloat y);
extern void ( APIENTRY * qglVertex2fv )(const GLfloat *v);
extern void ( APIENTRY * qglVertex2i )(GLint x, GLint y);
extern void ( APIENTRY * qglVertex2iv )(const GLint *v);
extern void ( APIENTRY * qglVertex2s )(GLshort x, GLshort y);
extern void ( APIENTRY * qglVertex2sv )(const GLshort *v);
extern void ( APIENTRY * qglVertex3d )(GLdouble x, GLdouble y, GLdouble z);
extern void ( APIENTRY * qglVertex3dv )(const GLdouble *v);
extern void ( APIENTRY * qglVertex3f )(GLfloat x, GLfloat y, GLfloat z);
extern void ( APIENTRY * qglVertex3fv )(const GLfloat *v);
extern void ( APIENTRY * qglVertex3i )(GLint x, GLint y, GLint z);
extern void ( APIENTRY * qglVertex3iv )(const GLint *v);
extern void ( APIENTRY * qglVertex3s )(GLshort x, GLshort y, GLshort z);
extern void ( APIENTRY * qglVertex3sv )(const GLshort *v);
extern void ( APIENTRY * qglVertex4d )(GLdouble x, GLdouble y, GLdouble z, GLdouble w);
extern void ( APIENTRY * qglVertex4dv )(const GLdouble *v);
extern void ( APIENTRY * qglVertex4f )(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
extern void ( APIENTRY * qglVertex4fv )(const GLfloat *v);
extern void ( APIENTRY * qglVertex4i )(GLint x, GLint y, GLint z, GLint w);
extern void ( APIENTRY * qglVertex4iv )(const GLint *v);
extern void ( APIENTRY * qglVertex4s )(GLshort x, GLshort y, GLshort z, GLshort w);
extern void ( APIENTRY * qglVertex4sv )(const GLshort *v);
extern void ( APIENTRY * qglVertexPointer )(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern void ( APIENTRY * qglViewport )(GLint x, GLint y, GLsizei width, GLsizei height);
extern void ( APIENTRY * qglPointParameterfEXT)( GLenum param, GLfloat value );
extern void ( APIENTRY * qglPointParameterfvEXT)( GLenum param, const GLfloat *value );
extern void ( APIENTRY * qglColorTableEXT)( GLenum, GLenum, GLsizei, GLenum, GLenum, const GLvoid * );
extern void ( APIENTRY * qglLockArraysEXT) (int , int);
extern void ( APIENTRY * qglUnlockArraysEXT) (void);
extern void ( APIENTRY * qglMTexCoord2fSGIS)( GLenum, GLfloat, GLfloat );
extern void ( APIENTRY * qglSelectTextureSGIS)( GLenum );
extern void ( APIENTRY * qglActiveTextureARB)( GLenum );
extern void ( APIENTRY * qglClientActiveTextureARB)( GLenum );
#ifdef _WIN32
extern int ( WINAPI * qwglChoosePixelFormat )(HDC, CONST PIXELFORMATDESCRIPTOR *);
extern int ( WINAPI * qwglDescribePixelFormat) (HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
extern int ( WINAPI * qwglGetPixelFormat)(HDC);
extern BOOL ( WINAPI * qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
extern BOOL ( WINAPI * qwglSwapBuffers)(HDC);
extern BOOL ( WINAPI * qwglCopyContext)(HGLRC, HGLRC, UINT);
extern HGLRC ( WINAPI * qwglCreateContext)(HDC);
extern HGLRC ( WINAPI * qwglCreateLayerContext)(HDC, int);
extern BOOL ( WINAPI * qwglDeleteContext)(HGLRC);
extern HGLRC ( WINAPI * qwglGetCurrentContext)(VOID);
extern HDC ( WINAPI * qwglGetCurrentDC)(VOID);
extern PROC ( WINAPI * qwglGetProcAddress)(LPCSTR);
extern BOOL ( WINAPI * qwglMakeCurrent)(HDC, HGLRC);
extern BOOL ( WINAPI * qwglShareLists)(HGLRC, HGLRC);
extern BOOL ( WINAPI * qwglUseFontBitmaps)(HDC, DWORD, DWORD, DWORD);
extern BOOL ( WINAPI * qwglUseFontOutlines)(HDC, DWORD, DWORD, DWORD, FLOAT,
FLOAT, int, LPGLYPHMETRICSFLOAT);
extern BOOL ( WINAPI * qwglDescribeLayerPlane)(HDC, int, int, UINT,
LPLAYERPLANEDESCRIPTOR);
extern int ( WINAPI * qwglSetLayerPaletteEntries)(HDC, int, int, int,
CONST COLORREF *);
extern int ( WINAPI * qwglGetLayerPaletteEntries)(HDC, int, int, int,
COLORREF *);
extern BOOL ( WINAPI * qwglRealizeLayerPalette)(HDC, int, BOOL);
extern BOOL ( WINAPI * qwglSwapLayerBuffers)(HDC, UINT);
extern BOOL ( WINAPI * qwglSwapIntervalEXT)( int interval );
extern BOOL ( WINAPI * qwglGetDeviceGammaRampEXT ) ( unsigned char *pRed, unsigned char *pGreen, unsigned char *pBlue );
extern BOOL ( WINAPI * qwglSetDeviceGammaRampEXT ) ( const unsigned char *pRed, const unsigned char *pGreen, const unsigned char *pBlue );
#endif
#ifdef __linux__
// local function in dll
extern void *qwglGetProcAddress(char *symbol);
extern void (*qgl3DfxSetPaletteEXT)(GLuint *);
// 3dfxSetPaletteEXT shunt
void Fake_glColorTableEXT( GLenum target, GLenum internalformat,
GLsizei width, GLenum format, GLenum type,
const GLvoid *table );
#endif // linux
/* deprecated */
#define GL_TEXTURE0_SGIS 0x835E
#define GL_TEXTURE1_SGIS 0x835F
extern int QGL_TEXTURE0, QGL_TEXTURE1; /* ARB/SGIS texture defs */
#ifdef SOLARIS /* these are in glext.h, on platforms that have it */
/*
** extension constants
*/
#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
#ifdef __sgi
#define GL_SHARED_TEXTURE_PALETTE_EXT GL_TEXTURE_COLOR_TABLE_SGI
#else
#define GL_SHARED_TEXTURE_PALETTE_EXT 0x81FB
#endif
#endif