quakeforge/libs/video/renderer/gl/gl_rmisc.c

290 lines
6.4 KiB
C
Raw Normal View History

/*
gl_rmisc.c
(description)
Copyright (C) 1996-1997 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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#if defined(_WIN32) && defined(HAVE_MALLOC_H)
#include <malloc.h>
#endif
#include <stdlib.h>
#include <stdio.h>
#include "QF/cmd.h"
#include "QF/cvar.h"
#include "QF/draw.h"
#include "QF/quakefs.h"
#include "QF/render.h"
2001-05-15 03:27:55 +00:00
#include "QF/skin.h"
#include "QF/sys.h"
#include "QF/vid.h"
#include "QF/GL/defines.h"
#include "QF/GL/funcs.h"
#include "QF/GL/qf_rmain.h"
#include "QF/GL/qf_rsurf.h"
2001-10-28 04:23:37 +00:00
#include "QF/GL/qf_textures.h"
#include "QF/GL/qf_vid.h"
#include "r_dynamic.h"
#include "r_local.h"
#include "varrays.h"
int r_init = 0;
texture_t **r_texture_chains;
int r_num_texture_chains;
static int max_texture_chains;
static void
R_AddTexture (texture_t *tex)
{
int i;
if (r_num_texture_chains == max_texture_chains) {
max_texture_chains += 64;
r_texture_chains = realloc (r_texture_chains,
max_texture_chains * sizeof (texture_t *));
for (i = r_num_texture_chains; i < max_texture_chains; i++)
r_texture_chains[i] = 0;
}
r_texture_chains[r_num_texture_chains++] = tex;
tex->texturechain = NULL;
tex->texturechain_tail = &tex->texturechain;
}
static void
R_ClearTextures (void)
{
r_num_texture_chains = 0;
}
/*
R_Envmap_f
Grab six views for environment mapping tests
*/
static void
R_Envmap_f (void)
{
byte buffer[256 * 256 * 4];
qfglDrawBuffer (GL_FRONT);
qfglReadBuffer (GL_FRONT);
envmap = true;
r_refdef.vrect.x = 0;
r_refdef.vrect.y = 0;
r_refdef.vrect.width = 256;
r_refdef.vrect.height = 256;
r_refdef.viewangles[0] = 0;
r_refdef.viewangles[1] = 0;
r_refdef.viewangles[2] = 0;
R_RenderView ();
qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
QFS_WriteFile ("env0.rgb", buffer, sizeof (buffer));
r_refdef.viewangles[1] = 90;
R_RenderView ();
qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
QFS_WriteFile ("env1.rgb", buffer, sizeof (buffer));
r_refdef.viewangles[1] = 180;
R_RenderView ();
qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
QFS_WriteFile ("env2.rgb", buffer, sizeof (buffer));
r_refdef.viewangles[1] = 270;
R_RenderView ();
qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
QFS_WriteFile ("env3.rgb", buffer, sizeof (buffer));
r_refdef.viewangles[0] = -90;
r_refdef.viewangles[1] = 0;
R_RenderView ();
qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
QFS_WriteFile ("env4.rgb", buffer, sizeof (buffer));
r_refdef.viewangles[0] = 90;
r_refdef.viewangles[1] = 0;
R_RenderView ();
qfglReadPixels (0, 0, 256, 256, GL_RGBA, GL_UNSIGNED_BYTE, buffer);
QFS_WriteFile ("env5.rgb", buffer, sizeof (buffer));
envmap = false;
qfglDrawBuffer (GL_BACK);
qfglReadBuffer (GL_BACK);
GL_EndRendering ();
}
void
R_LoadSky_f (void)
{
if (Cmd_Argc () != 2) {
Sys_Printf ("loadsky <name> : load a skybox\n");
return;
}
R_LoadSkys (Cmd_Argv (1));
}
VISIBLE void
R_Init (void)
{
Cmd_AddCommand ("timerefresh", R_TimeRefresh_f,
"Tests the current refresh rate for the current location");
Cmd_AddCommand ("envmap", R_Envmap_f, "No Description");
Cmd_AddCommand ("pointfile", R_ReadPointFile_f,
"Load a pointfile to determine map leaks");
Cmd_AddCommand ("loadsky", R_LoadSky_f, "Load a skybox");
R_InitBubble ();
GDT_Init ();
2001-05-15 03:27:55 +00:00
texture_extension_number = R_InitGraphTextures (texture_extension_number);
texture_extension_number = Skin_Init_Textures (texture_extension_number);
2001-05-15 03:27:55 +00:00
r_init = 1;
R_InitParticles ();
R_InitSprites ();
2010-12-10 12:40:36 +00:00
Fog_Init ();
}
static void
register_textures (model_t *model)
{
int i;
texture_t *tex;
for (i = 0; i < model->numtextures; i++) {
tex = model->textures[i];
if (!tex)
continue;
if (tex->texturechain_tail)
continue;
R_AddTexture (tex);
}
}
VISIBLE void
2001-05-21 23:09:46 +00:00
R_NewMap (model_t *worldmodel, struct model_s **models, int num_models)
{
int i;
texture_t *tex;
for (i = 0; i < 256; i++)
d_lightstylevalue[i] = 264; // normal light value
memset (&r_worldentity, 0, sizeof (r_worldentity));
r_worldentity.model = worldmodel;
R_FreeAllEntities ();
// clear out efrags in case the level hasn't been reloaded
for (i = 0; i < r_worldentity.model->numleafs; i++)
r_worldentity.model->leafs[i].efrags = NULL;
r_viewleaf = NULL;
R_ClearParticles ();
2001-05-21 23:09:46 +00:00
GL_BuildLightmaps (models, num_models);
// identify sky texture
skytexturenum = -1;
mirrortexturenum = -1;
R_ClearTextures ();
for (i = 0; i < r_worldentity.model->numtextures; i++) {
tex = r_worldentity.model->textures[i];
if (!tex)
continue;
if (!strncmp (tex->name, "sky", 3)) {
skytexturenum = i;
R_InitSky (tex);
}
if (!strncmp (tex->name, "window02_1", 10))
mirrortexturenum = i;
}
register_textures (r_worldentity.model);
for (i = 0; i < num_models; i++) {
if (!models[i])
continue;
if (models[i] != r_worldentity.model && models[i]->type == mod_brush)
register_textures (models[i]);
}
tex = r_notexture_mip;
tex->texturechain = NULL;
tex->texturechain_tail = &tex->texturechain;
}
void
R_ViewChanged (float aspect)
{
}
/*
2001-11-04 08:50:16 +00:00
R_TimeRefresh_f
2001-11-04 08:50:16 +00:00
For program optimization
LordHavoc: improved appearance and accuracy of timerefresh
*/
void
R_TimeRefresh_f (void)
{
double start, stop, time;
int i;
GL_EndRendering ();
start = Sys_DoubleTime ();
for (i = 0; i < 128; i++) {
r_refdef.viewangles[1] = i * (360.0 / 128.0);
R_RenderView ();
GL_EndRendering ();
}
stop = Sys_DoubleTime ();
time = stop - start;
Sys_MaskPrintf (SYS_DEV, "%f seconds (%f fps)\n", time, 128 / time);
}
VISIBLE void
D_FlushCaches (void)
{
}