mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-21 01:50:53 +00:00
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/*
|
|
gl_dyn_textures.c
|
|
|
|
Dynamic texture generation.
|
|
|
|
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
|
|
|
|
#define NH_DEFINE
|
|
#include "namehack.h"
|
|
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "QF/image.h"
|
|
#include "QF/qtypes.h"
|
|
#include "QF/GL/defines.h"
|
|
#include "QF/GL/funcs.h"
|
|
#include "QF/GL/qf_textures.h"
|
|
#include "QF/GL/qf_vid.h"
|
|
|
|
#include "r_internal.h"
|
|
|
|
int gl_part_tex;
|
|
static GLint part_tex_internal_format = 2;
|
|
|
|
|
|
static void
|
|
GDT_InitParticleTexture (void)
|
|
{
|
|
byte data[64][64][2];
|
|
|
|
memset (data, 0, sizeof (data));
|
|
|
|
gl_part_tex = gl_texture_number++;
|
|
qfglBindTexture (GL_TEXTURE_2D, gl_part_tex);
|
|
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
|
|
qfglTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
|
|
qfglTexImage2D (GL_TEXTURE_2D, 0, part_tex_internal_format, 64, 64, 0, GL_LUMINANCE_ALPHA,
|
|
GL_UNSIGNED_BYTE, data);
|
|
}
|
|
|
|
static void
|
|
GDT_InitDotParticleTexture (void)
|
|
{
|
|
tex_t *tex;
|
|
|
|
tex = R_DotParticleTexture ();
|
|
qfglTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, 32, 32, GL_LUMINANCE_ALPHA,
|
|
GL_UNSIGNED_BYTE, tex->data);
|
|
free (tex);
|
|
}
|
|
|
|
static void
|
|
GDT_InitSparkParticleTexture (void)
|
|
{
|
|
tex_t *tex;
|
|
|
|
tex = R_SparkParticleTexture ();
|
|
qfglTexSubImage2D (GL_TEXTURE_2D, 0, 32, 0, 32, 32, GL_LUMINANCE_ALPHA,
|
|
GL_UNSIGNED_BYTE, tex->data);
|
|
free (tex);
|
|
}
|
|
|
|
static void
|
|
GDT_InitSmokeParticleTexture (void)
|
|
{
|
|
tex_t *tex;
|
|
|
|
tex = R_SmokeParticleTexture ();
|
|
qfglTexSubImage2D (GL_TEXTURE_2D, 0, 0, 32, 32, 32, GL_LUMINANCE_ALPHA,
|
|
GL_UNSIGNED_BYTE, tex->data);
|
|
free (tex);
|
|
}
|
|
|
|
void
|
|
GDT_Init (void)
|
|
{
|
|
if (gl_feature_mach64)
|
|
part_tex_internal_format = 4;
|
|
GDT_InitParticleTexture ();
|
|
GDT_InitDotParticleTexture ();
|
|
GDT_InitSparkParticleTexture ();
|
|
GDT_InitSmokeParticleTexture ();
|
|
}
|