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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5131 | clevermous | 1 | /* |
| 2 | Copyright (C) 1996-1997 Id Software, Inc. |
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| 3 | |||
| 4 | This program is free software; you can redistribute it and/or |
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| 5 | modify it under the terms of the GNU General Public License |
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| 6 | as published by the Free Software Foundation; either version 2 |
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| 7 | of the License, or (at your option) any later version. |
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| 8 | |||
| 9 | This program is distributed in the hope that it will be useful, |
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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| 12 | |||
| 13 | See the GNU General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License |
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| 16 | along with this program; if not, write to the Free Software |
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | |||
| 19 | */ |
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| 20 | // vid.h -- video driver defs |
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| 21 | |||
| 22 | #define VID_CBITS 6 |
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| 23 | #define VID_GRADES (1 << VID_CBITS) |
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| 24 | |||
| 25 | // a pixel can be one, two, or four bytes |
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| 26 | typedef byte pixel_t; |
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| 27 | |||
| 28 | typedef struct vrect_s |
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| 29 | { |
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| 30 | int x,y,width,height; |
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| 31 | struct vrect_s *pnext; |
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| 32 | } vrect_t; |
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| 33 | |||
| 34 | typedef struct |
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| 35 | { |
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| 36 | pixel_t *buffer; // invisible buffer |
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| 37 | pixel_t *colormap; // 256 * VID_GRADES size |
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| 38 | unsigned short *colormap16; // 256 * VID_GRADES size |
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| 39 | int fullbright; // index of first fullbright color |
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| 40 | unsigned rowbytes; // may be > width if displayed in a window |
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| 41 | unsigned width; |
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| 42 | unsigned height; |
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| 43 | float aspect; // width / height -- < 0 is taller than wide |
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| 44 | int numpages; |
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| 45 | int recalc_refdef; // if true, recalc vid-based stuff |
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| 46 | pixel_t *conbuffer; |
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| 47 | int conrowbytes; |
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| 48 | unsigned conwidth; |
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| 49 | unsigned conheight; |
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| 50 | int maxwarpwidth; |
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| 51 | int maxwarpheight; |
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| 52 | pixel_t *direct; // direct drawing to framebuffer, if not |
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| 53 | // NULL |
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| 54 | } viddef_t; |
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| 55 | |||
| 56 | extern viddef_t vid; // global video state |
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| 57 | extern unsigned short d_8to16table[256]; |
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| 58 | extern unsigned d_8to24table[256]; |
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| 59 | extern void (*vid_menudrawfn)(void); |
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| 60 | extern void (*vid_menukeyfn)(int key); |
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| 61 | |||
| 62 | void VID_SetPalette (unsigned char *palette); |
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| 63 | // called at startup and after any gamma correction |
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| 64 | |||
| 65 | void VID_ShiftPalette (unsigned char *palette); |
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| 66 | // called for bonus and pain flashes, and for underwater color changes |
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| 67 | |||
| 68 | void VID_Init (unsigned char *palette); |
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| 69 | // Called at startup to set up translation tables, takes 256 8 bit RGB values |
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| 70 | // the palette data will go away after the call, so it must be copied off if |
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| 71 | // the video driver will need it again |
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| 72 | |||
| 73 | void VID_Shutdown (void); |
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| 74 | // Called at shutdown |
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| 75 | |||
| 76 | void VID_Update (vrect_t *rects); |
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| 77 | // flushes the given rectangles from the view buffer to the screen |
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| 78 | |||
| 79 | int VID_SetMode (int modenum, unsigned char *palette); |
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| 80 | // sets the mode; only used by the Quake engine for resetting to mode 0 (the |
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| 81 | // base mode) on memory allocation failures |
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| 82 | |||
| 83 | void VID_HandlePause (qboolean pause); |
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| 84 | // called only on Win32, when pause happens, so the mouse can be released |
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| 85 |