2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 Grab six views for environment mapping tests
32 void R_Envmap_f (void)
34 byte buffer[256*256*4];
39 glDrawBuffer (GL_FRONT);
40 glReadBuffer (GL_FRONT);
45 r_refdef.vrect.width = 256;
46 r_refdef.vrect.height = 256;
48 r_refdef.viewangles[0] = 0;
49 r_refdef.viewangles[1] = 0;
50 r_refdef.viewangles[2] = 0;
51 GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
53 glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
54 COM_WriteFile ("env0.rgb", buffer, sizeof(buffer));
56 r_refdef.viewangles[1] = 90;
57 GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
59 glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
60 COM_WriteFile ("env1.rgb", buffer, sizeof(buffer));
62 r_refdef.viewangles[1] = 180;
63 GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
65 glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
66 COM_WriteFile ("env2.rgb", buffer, sizeof(buffer));
68 r_refdef.viewangles[1] = 270;
69 GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
71 glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
72 COM_WriteFile ("env3.rgb", buffer, sizeof(buffer));
74 r_refdef.viewangles[0] = -90;
75 r_refdef.viewangles[1] = 0;
76 GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
78 glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
79 COM_WriteFile ("env4.rgb", buffer, sizeof(buffer));
81 r_refdef.viewangles[0] = 90;
82 r_refdef.viewangles[1] = 0;
83 GL_BeginRendering (&glx, &gly, &glwidth, &glheight);
85 glReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
86 COM_WriteFile ("env5.rgb", buffer, sizeof(buffer));
89 glDrawBuffer (GL_BACK);
90 glReadBuffer (GL_BACK);
94 void R_InitParticles (void);
100 void gl_misc_shutdown()
104 void gl_misc_newmap()
113 void GL_Misc_Init (void)
115 Cmd_AddCommand ("envmap", R_Envmap_f);
116 Cmd_AddCommand ("timerefresh", R_TimeRefresh_f);
118 R_RegisterModule("GL_Misc", gl_misc_start, gl_misc_shutdown, gl_misc_newmap);
121 void R_ClearParticles (void);
122 void GL_BuildLightmaps (void);
129 void SHOWLMP_clear();
134 for (i=0 ; i<256 ; i++)
135 d_lightstylevalue[i] = 264; // normal light value
137 memset (&r_worldentity, 0, sizeof(r_worldentity));
138 r_worldentity.render.model = cl.worldmodel;
139 currententity = &r_worldentity;
144 GL_BuildLightmaps ();
146 // identify sky texture
148 for (i=0 ; i<cl.worldmodel->numtextures ; i++)
150 if (!cl.worldmodel->textures[i])
152 if (!strncmp(cl.worldmodel->textures[i]->name,"sky",3) )
163 For program optimization
166 qboolean intimerefresh = 0;
167 void R_TimeRefresh_f (void)
170 float start, stop, time;
173 start = Sys_DoubleTime ();
174 for (i = 0;i < 128;i++)
176 r_refdef.viewangles[0] = 0;
177 r_refdef.viewangles[1] = i/128.0*360.0;
178 r_refdef.viewangles[2] = 0;
182 stop = Sys_DoubleTime ();
185 Con_Printf ("%f seconds (%f fps)\n", time, 128/time);