Mercurial > sdl-ios-xcode
view src/audio/bsd/SDL_bsdaudio.h @ 3466:a288892cd24c
SDL_RenderReadPixels() needs to flush asynchronous operations before it reads.
The semantics are that it reads the back buffer, and those pixels may not be available once SDL_RenderPresent() has happened.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 21 Nov 2009 05:05:19 +0000 |
parents | 99210400e8b9 |
children | f7b03b6838cb |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2009 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; if not, write to the Free Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #ifndef _SDL_bsdaudio_h #define _SDL_bsdaudio_h #include "../SDL_sysaudio.h" #define _THIS SDL_AudioDevice *this struct SDL_PrivateAudioData { /* The file descriptor for the audio device */ int audio_fd; /* The parent process id, to detect when application quits */ pid_t parent; /* Raw mixing buffer */ Uint8 *mixbuf; int mixlen; /* Support for audio timing using a timer, in addition to select() */ float frame_ticks; float next_frame; }; #define FUDGE_TICKS 10 /* The scheduler overhead ticks per frame */ #endif /* _SDL_bsdaudio_h */ /* vi: set ts=4 sw=4 expandtab: */