mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-11 15:51:36 +00:00
89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
/*
|
|
glsl_textures.c
|
|
|
|
Texture format setup.
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
Copyright (C) 2001 Ragnvald Maartmann-Moe IV
|
|
|
|
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
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "QF/GLSL/defines.h"
|
|
#include "QF/GLSL/funcs.h"
|
|
#include "QF/GLSL/qf_textures.h"
|
|
|
|
int
|
|
GL_LoadQuakeTexture (const char *identifier, int width, int height, byte *data)
|
|
{
|
|
GLuint tnum;
|
|
|
|
qfglGenTextures (1, &tnum);
|
|
qfglBindTexture (GL_TEXTURE_2D, tnum);
|
|
qfglTexImage2D (GL_TEXTURE_2D, 0, GL_LUMINANCE,
|
|
width, height, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
qfglGenerateMipmap (GL_TEXTURE_2D);
|
|
|
|
return tnum;
|
|
}
|
|
|
|
int
|
|
GL_LoadRGBTexture (const char *identifier, int width, int height, byte *data)
|
|
{
|
|
GLuint tnum;
|
|
|
|
qfglGenTextures (1, &tnum);
|
|
qfglBindTexture (GL_TEXTURE_2D, tnum);
|
|
qfglTexImage2D (GL_TEXTURE_2D, 0, GL_RGB,
|
|
width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
|
|
qfglTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
|
|
qfglGenerateMipmap (GL_TEXTURE_2D);
|
|
|
|
return tnum;
|
|
}
|
|
|
|
void
|
|
GL_ReleaseTexture (int tex)
|
|
{
|
|
GLuint tnum = tex;
|
|
qfglDeleteTextures (1, &tnum);
|
|
}
|