196 lines
3.8 KiB
C
196 lines
3.8 KiB
C
/*
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Copyright (C) 2004 Michael Liebscher
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Copyright (C) 1997-2001 Id Software, Inc.
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Copyright (C) 1995 Spencer Kimball and Peter Mattis.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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/*
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* texture_manager.c: Texture manager.
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*
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* Author: Michael Liebscher <johnnycanuck@users.sourceforge.net>
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* Date: 2004
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*
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* Acknowledgement:
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* Portion of this code was derived from
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* The GIMP (an image manipulation program) and was originally
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* written by Spencer Kimball and Peter Mattis.
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*
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* Portion of this code was derived from Quake II, and was originally
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* written by Id Software, Inc.
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*
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*/
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#ifndef __TEXTURE_MANAGER_H__
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#define __TEXTURE_MANAGER_H__
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#include "arch.h"
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#include "filesystem.h"
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#define MAX_TEXTURES 1024
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typedef enum
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{
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TT_Sprite,
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TT_Wall,
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TT_Pic,
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TextureTypeCount
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} texturetype_t;
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typedef enum
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{
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Repeat = 0,
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Clamp,
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WrapModeCount // Number of Wrap modes
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} TWrapMode;
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typedef enum
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{
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Auto = 0,
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RGBA8888,
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RGBA4444,
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RGBA5551,
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RGB888,
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RGB565,
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DXTC1,
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DXTC1Alpha,
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DXTC3,
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DXTC5,
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Luminance,
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Alpha,
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AlphaLuminance,
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DsDt,
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UpImageFormatCount // Number of Upload formats
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} TTexFormat;
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typedef enum
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{
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Nearest = 0,
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Linear,
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MagFilterCount // Number of Magnification filters
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} TMagFilter;
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typedef enum
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{
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NearestMipMapOff = 0,
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NearestMipMapNearest,
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NearestMipMapLinear,
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LinearMipMapOff,
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LinearMipMapNearest,
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LinearMipMapLinear,
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MinFilterCount // Number of Min filters
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} TMinFilter;
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typedef enum {
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PF_565,
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PF_5551,
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PF_4444,
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PF_PVR4,
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PF_PVR4A,
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PF_PVR2,
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PF_PVR2A
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} picFormat_t;
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#define PF_NO_MIPS 256
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// this is the header from the pre-digested binary files with sprite bounds
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typedef struct {
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int picFormat;
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int srcWidth;
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int srcHeight;
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int uploadWidth;
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int uploadHeight;
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int numBounds;
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int bounds[2][2][2];
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} picHeader_t;
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typedef struct texture_s
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{
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_boolean MipMap;
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_boolean isTextureCube;
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TTexFormat UploadFormat;
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TWrapMode WrapS;
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TWrapMode WrapT;
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TWrapMode WrapR;
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TMinFilter MinFilter;
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TMagFilter MagFilter;
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W32 registration_sequence; // 0 = free
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W16 width, height;
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W16 upload_width, upload_height;
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W16 bytes;
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texturetype_t type;
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char name[ MAX_GAMEPATH ]; // game path, including extension
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unsigned int texnum;
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picHeader_t header;
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float maxS, maxT; // header.srcWidth / header.uploadWidth for nonPOT textures
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} texture_t;
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typedef enum
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{
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INTERPOLATION_NONE, /* None (Fastest) */
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INTERPOLATION_LINEAR, /* Linear */
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INTERPOLATION_CUBIC /* Cubic (Best) */
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} InterpolationType;
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extern W32 texture_registration_sequence;
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extern void TM_Init( void );
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extern void TM_Shutdown( void );
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extern _boolean TM_MipMap( PW8 in, W16 *width, W16 *height, W16 bytes );
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extern texture_t *wallTextures[1000];
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extern texture_t *spriteTextures[1000];
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extern texture_t *TM_FindTexture( const char *name, texturetype_t type );
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extern texture_t *TM_AllocateTexture( const char *name );
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extern void TM_GetTextureSize( SW32 *width, SW32 *height, const char *name );
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extern void TM_ResampleTexture( PW8 in, int inwidth, int inheight, PW8 out, int outwidth, int outheight, W8 bytes, InterpolationType interpolation );
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extern void TM_FreeUnusedTextures( void );
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#endif /* __TEXTURE_MANAGER_H__ */
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