quakeforge/include/QF/GLSL/qf_textures.h
Bill Currie 0993803006 Add texture sub-image management.
The planned uses are lightmaps and 2d icons.
2012-01-06 16:24:13 +09:00

60 lines
1.9 KiB
C

/*
gl_textures.h
GL texture stuff from the renderer.
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
$Id$
*/
#ifndef __QF_GLSL_textures_h
#define __QF_GLSL_textures_h
#include "QF/qtypes.h"
typedef struct scrap_s scrap_t;
typedef struct subpic_s {
const scrap_t * const scrap;
const struct vrect_s * const rect;
const int tnum; ///< texture number
const int width; ///< requested width
const int height; ///< requested height
const float size; ///< size factor for tex coords (mult)
} subpic_t;
int GL_LoadQuakeTexture (const char *identifier, int width, int height,
byte *data);
int GL_LoadRGBTexture (const char *identifier, int width, int height,
byte *data);
void GL_ReleaseTexture (int tex);
void GL_TextureInit (void);
scrap_t *GL_CreateScrap (int size, int format);
void GL_DestroyScrap (scrap_t *scrap);
subpic_t *GL_ScrapSubpic (scrap_t *scrap, int width, int height); //XXX slow!
void GL_SubpicDelete (subpic_t *subpic); //XXX slow!
void GL_SubpicUpdate (subpic_t *subpic, byte *data);
int GL_LoadTexture (const char *identifier, int width, int height, byte *data,
qboolean mipmap, qboolean alpha, int bytesperpixel);
#endif//__QF_GLSL_textures_h