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annotate src/video/ataricommon/SDL_ataric2p060_c.h @ 641:df178851293b

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Date: 28 Jun 2003 22:42:52 +0100 From: Alan Swanson Subject: Re: [SDL] New XFree 4.3 Video Mode Patch I have a wee amendment that moves the qsort in set_best_resolution to only occur after failing to find an exact match only. This would make absolutely sure we get a user set mode. While I've never had any problems for my normal resolutions (1280x1024, 1024x768, 800x600 & 640,480) while closely examining the output from qsort I've noticed it doesn't seem to sort the modes fully. These is one definite wrong at 1152x768 and a few that just look wrong to me. From a program (attached) I made to examine this more easily. X has sorted its mode list using the same method as ours (plus frequency), and our user modes get inserted without any other movement. On the patch I've made I've also changed cmpmodes to sort on vertical resolution and then horizontal. Ie vertical is now most significant bit.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 28 Jun 2003 21:52:26 +0000
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Sam Lantinga
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4
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5 This library is free software; you can redistribute it and/or
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6 modify it under the terms of the GNU Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 /*
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29 * Chunky to planar conversion routine
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30 * for 68060 CPU, without movep instruction
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31 * 1 byte/pixel -> 4 or 8 bit planes
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32 *
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33 * Patrice Mandin
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34 */
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35
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36 #ifndef _SDL_ATARI_C2P060_H_
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37 #define _SDL_ATARI_C2P060_H_
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38
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39 /*--- Variables ---*/
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40
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41 extern int atari_cpu060_avail;
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42
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43 /*--- Functions ---*/
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44
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45 extern void atari_test_cpu060_present(void);
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46
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47 extern void Atari_C2pConvert8_060(
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48 Uint8 *src, /* Source screen (one byte=one pixel) */
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49 Uint8 *dest, /* Destination (8 bits planes) */
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50 Uint32 width, /* Dimensions of screen to convert */
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51 Uint32 height,
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52 Uint32 dblligne, /* Double the lines when converting ? */
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53 Uint32 srcpitch, /* Length of one source line in bytes */
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54 Uint32 dstpitch /* Length of one destination line in bytes */
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55 );
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56
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57 extern void Atari_C2pConvert4_060(
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58 Uint8 *src, /* Source screen (one byte=one pixel) */
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59 Uint8 *dest, /* Destination (4 bits planes) */
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60 Uint32 width, /* Dimensions of screen to convert */
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61 Uint32 height,
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62 Uint32 dblligne, /* Double the lines when converting ? */
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63 Uint32 srcpitch, /* Length of one source line in bytes */
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64 Uint32 dstpitch /* Length of one destination line in bytes */
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65 );
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66
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67 #endif /* _SDL_ATARI_C2P060_H_ */