Mercurial > sdl-ios-xcode
view docs/man3/SDL_JoystickOpen.3 @ 2226:0e70b4b8cf84
Date: Sat, 11 Aug 2007 02:03:16 +0200 (CEST)
From: couriersud arcor.de
To: slouken@libsdl.org
Subject: Directfb driver for SDL1.3
Hi,
the attachment contains a patch for a SDL1.3 directfb driver. It supports:
- Renderer "directfb":
Hardware acceleration as supported by the underlying directfb driver. With a
radeon X850, testsprite2 runs at 50% to 70% of OpenGL (X11, dri) performance.
Also supports hardware accelerated yuv overlays. This must be enabled by sett
ing:
export SDL_DIRECTFB_YUV_DIRECT=1
- Renderer "opengl"
Supports software opengl using mesa opengl (make linux-directfb).
Some more information may be found in README.DirectFB
There will certainly still be some bugs, and there is some debug code around.
When I find some time, I will compile against directfb-0.9.25 as distributed
with ubuntu 7.04.
The diff also contains a fix for SDL_LockYUVOverlay fixing a bug in *pixels
and pitches initialization.
Kind regards,
couriersud
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 11 Aug 2007 21:51:19 +0000 |
parents | e5bc29de3f0a |
children | 546f7c1eb755 |
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.TH "SDL_JoystickOpen" "3" "Tue 11 Sep 2001, 23:00" "SDL" "SDL API Reference" .SH "NAME" SDL_JoystickOpen\- Opens a joystick for use\&. .SH "SYNOPSIS" .PP \fB#include "SDL\&.h" .sp \fBSDL_Joystick *\fBSDL_JoystickOpen\fP\fR(\fBint index\fR); .SH "DESCRIPTION" .PP Opens a joystick for use within SDL\&. The \fBindex\fR refers to the N\&'th joystick in the system\&. A joystick must be opened before it game be used\&. .SH "RETURN VALUE" .PP Returns a \fBSDL_Joystick\fR structure on success\&. \fBNULL\fR on failure\&. .SH "EXAMPLES" .PP .PP .nf \f(CWSDL_Joystick *joy; // Check for joystick if(SDL_NumJoysticks()>0){ // Open joystick joy=SDL_JoystickOpen(0); if(joy) { printf("Opened Joystick 0 "); printf("Name: %s ", SDL_JoystickName(0)); printf("Number of Axes: %d ", SDL_JoystickNumAxes(joy)); printf("Number of Buttons: %d ", SDL_JoystickNumButtons(joy)); printf("Number of Balls: %d ", SDL_JoystickNumBalls(joy)); } else printf("Couldn\&'t open Joystick 0 "); // Close if opened if(SDL_JoystickOpened(0)) SDL_JoystickClose(joy); }\fR .fi .PP .SH "SEE ALSO" .PP \fI\fBSDL_JoystickClose\fP\fR ...\" created by instant / docbook-to-man, Tue 11 Sep 2001, 23:00