Mercurial > sdl-ios-xcode
view src/video/aalib/SDL_aavideo.h @ 1798:49b4b8413734
Date: Tue, 9 May 2006 23:01:49 -0400
From: Mike Frysinger
Subject: [SDL] [patch] fall back to using MAP_PRIVATE with mmap() in fbcon dri
trying to use MAP_SHARED with mmap() on uClinux (aka non-mmu) hosts nowadays
will simply fail since the kernel disallows it ... falling back to using
MAP_PRIVATE on these hosts is acceptable ... as such, ive attached a patch
for the fbcon driver that will fall back to using MAP_PRIVATE if mmap() with
MAP_SHARED failed
going by a grep of MAP_SHARED, the only other drivers that utilize this flag
are video/wscons, video/ps2gs, and sound/dmaaudio ... i dont think these
would appear on a non-mmu host so the patch i wrote is restricted to just
SDL_fbvideo.c ...
-mike
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Wed, 10 May 2006 04:05:46 +0000 |
parents | d910939febfa |
children | 782fd950bd46 a1b03ba2fcd0 |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2006 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #ifndef _SDL_aavideo_h #define _SDL_aavideo_h #include "SDL_mouse.h" #include "SDL_mutex.h" #include "../SDL_sysvideo.h" #include <aalib.h> /* Hidden "this" pointer for the video functions */ #define _THIS SDL_VideoDevice *this #define SDL_NUMMODES 6 /* Private display data */ struct SDL_PrivateVideoData { SDL_Rect *SDL_modelist[SDL_NUMMODES+1]; aa_context *context; aa_palette palette; aa_renderparams *rparams; double x_ratio, y_ratio; int w, h; SDL_mutex *mutex; int in_x11; void *buffer; }; /* Old variable names */ #define SDL_modelist (this->hidden->SDL_modelist) #define AA_context (this->hidden->context) #define AA_palette (this->hidden->palette) #define AA_rparams (this->hidden->rparams) #define AA_buffer (this->hidden->buffer) #define AA_x_ratio (this->hidden->x_ratio) #define AA_y_ratio (this->hidden->y_ratio) #define AA_mutex (this->hidden->mutex) #define AA_in_x11 (this->hidden->in_x11) #define AA_w (this->hidden->w) #define AA_h (this->hidden->h) #endif /* _SDL_aavideo_h */