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annotate src/audio/windib/SDL_dibaudio.h @ 4099:822f9624f984 SDL-1.2

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Brian Fisher fixed bug #513 If an app requests a 24-bit opengl mode on a machine with a 32-bit desktop with the windib video backend, then when exiting fullscreen the desktop resolution is not restored The reason this is, is because the windib backend restores the desktop resolution when exiting fullscreen in DIB_SetVideoMode when it finds that the last request was for fullscreen by checking the original flags on the video surface. However, if the bits per pixel requested is different than current surface, the video surface is recreated and the original video flags are lost. So the check to see if we were exiting fullscreen fails. below is a patch to SDL_dibvideo.c that solves the problem by using the original flags in all cases. thanks!
author Sam Lantinga <slouken@libsdl.org>
date Fri, 28 Dec 2007 08:00:30 +0000
parents d910939febfa
children 782fd950bd46 a1b03ba2fcd0
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2006 Sam Lantinga
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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 Lesser General Public
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7 License as published by the Free Software Foundation; either
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8 version 2.1 of the License, or (at your option) any later version.
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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 Lesser 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 Lesser General Public
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16 License along with this library; if not, write to the Free Software
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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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 #include "SDL_config.h"
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24 #ifndef _SDL_lowaudio_h
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25 #define _SDL_lowaudio_h
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26
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27 #include "../SDL_sysaudio.h"
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29 /* Hidden "this" pointer for the video functions */
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30 #define _THIS SDL_AudioDevice *this
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32 #define NUM_BUFFERS 2 /* -- Don't lower this! */
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33
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34 struct SDL_PrivateAudioData {
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35 HWAVEOUT sound;
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36 HANDLE audio_sem;
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37 Uint8 *mixbuf; /* The raw allocated mixing buffer */
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38 WAVEHDR wavebuf[NUM_BUFFERS]; /* Wave audio fragments */
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39 int next_buffer;
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40 };
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41
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42 /* Old variable names */
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43 #define sound (this->hidden->sound)
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44 #define audio_sem (this->hidden->audio_sem)
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45 #define mixbuf (this->hidden->mixbuf)
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46 #define wavebuf (this->hidden->wavebuf)
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47 #define next_buffer (this->hidden->next_buffer)
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48
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49 #endif /* _SDL_lowaudio_h */