Mercurial > sdl-ios-xcode
view docs/man3/SDL_SysWMEvent.3 @ 1555:780fd5b61df1
Fixed bug #89
Date: Sun, 23 Oct 2005 16:39:03 +0200
From: "A. Schmid" <sahib@phreaker.net>
Subject: [SDL] no software surfaces with svgalib driver?
Hi,
I noticed that the SDL (1.2.9) svgalib driver only makes use of linear
addressable (framebuffer) video modes. On older systems (like one of
mine), linear addressable modes are often not available.
Especially for cards with VESA VBE < 2.0 the svgalib vesa driver is
unusable, since VESA only supports framebuffering for VBE 2.0 and later.
The changes necessary to add support for software surfaces seem to be
relatively small. I only had to hack src/video/svga/SDL_svgavideo.c (see
attached patch). The code worked fine for me, but it is no more than a
proof of concept and should be reviewed (probably has a memory leak when
switching modes). It also uses the vgagl library (included in the
svgalib package) and needs to be linked against it.
-Alex
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 19 Mar 2006 12:05:16 +0000 |
parents | e5bc29de3f0a |
children | 546f7c1eb755 |
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.TH "SDL_SysWMEvent" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" .SH "NAME" SDL_SysWMEvent\- Platform-dependent window manager event\&. .SH "DESCRIPTION" .PP The system window manager event contains a pointer to system-specific information about unknown window manager events\&. If you enable this event using \fI\fBSDL_EventState()\fP\fR, it will be generated whenever unhandled events are received from the window manager\&. This can be used, for example, to implement cut-and-paste in your application\&. .PP .nf \f(CWtypedef struct { Uint8 type; /* Always SDL_SysWM */ } SDL_SysWMEvent;\fR .fi .PP If you want to obtain system-specific information about the window manager, you can fill the version member of a \fBSDL_SysWMinfo\fR structure (details can be found in \fBSDL_syswm\&.h\fP, which must be included) using the \fBSDL_VERSION()\fP macro found in \fBSDL_version\&.h\fP, and pass it to the function: .PP .sp \fBint \fBSDL_GetWMInfo\fP\fR(\fBSDL_SysWMinfo *info\fR); .SH "SEE ALSO" .PP \fI\fBSDL_EventState\fP\fR ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00