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annotate src/audio/mint/SDL_mintaudio_dma8.h @ 889:eac8c69b5706

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ate: Fri, 09 Apr 2004 20:07:10 +0200 From: Hibernatus Subject: [SDL] BUG: changing video mode in opengl + windows In WIN_GL_SetupWindow (SDL12/src/video/wincommon/SDL_wingl.c) you call WIN_GL_ResetWindow when SetPixelFormat fails. WIN_GL_ResetWindow cannot properly work in its current state, because there are several things to update once you've created a new window. At least DirectInput doesn't work anymore here (which is somewhat annoying for the player :). I think you can simply remove that function. Many games don't try to recover from that exception, that's why the newest ATI drivers emulate 16 bpp display in 32 bpp mode so the error never occurs (but the games may run much slower). Having SDL_SetVideoMode return NULL would be better than actually setting the video mode and losing focus, directinput and maybe directsound too. It also made my previous drivers crash (when switching from 32 bpp windowed to 16 bpp fullscreen).
author Sam Lantinga <slouken@libsdl.org>
date Sun, 16 May 2004 18:02:48 +0000
parents b8d311d90021
children 185acc07127a
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2004 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 /*
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24 DMA 8bits audio definitions
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25
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26 Patrice Mandin
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27 */
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28
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29 #ifndef _SDL_mintaudio_dma8_h
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30 #define _SDL_mintaudio_dma8_h
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31
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32 #define DMAAUDIO_IO_BASE (0xffff8900)
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33 struct DMAAUDIO_IO_S {
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34 unsigned char int_ctrl;
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35 unsigned char control;
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36
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37 unsigned char dummy1;
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38 unsigned char start_high;
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39 unsigned char dummy2;
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40 unsigned char start_mid;
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41 unsigned char dummy3;
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42 unsigned char start_low;
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43
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44 unsigned char dummy4;
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45 unsigned char cur_high;
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46 unsigned char dummy5;
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47 unsigned char cur_mid;
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48 unsigned char dummy6;
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49 unsigned char cur_low;
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50
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51 unsigned char dummy7;
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52 unsigned char end_high;
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53 unsigned char dummy8;
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54 unsigned char end_mid;
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55 unsigned char dummy9;
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56 unsigned char end_low;
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57
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58 unsigned char dummy10[12];
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59
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60 unsigned char track_select; /* CODEC only */
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61 unsigned char mode;
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62 };
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63 #define DMAAUDIO_IO ((*(volatile struct DMAAUDIO_IO_S *)DMAAUDIO_IO_BASE))
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64
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65 #endif /* _SDL_mintaudio_dma8_h */