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Date: Thu, 24 Apr 2003 15:13:47 -0400 From: Shawn Kirst Subject: SDL-1.2.5 patch to add ARB_multisample support Attached is a patch I have written for SDL-1.2.5 that adds ARB_multisample support. I only have the X11 and Win32 video patched. The Win32 patch also adds support for WGL_ARB_pixel_format, as it was required for getting a multisample capable pixel format. No additional GL header files are required to compile on either platform (though you need an up-to-date glx.h for X11). Requesting a multisample pixel format is made possible using SDL_GL_SetAttribute with the two new SDL_GLattr's I've added (SDL_GL_SAMPLE_BUFFERS and SDL_GL_SAMPLES). I've been using SDL in my projects for quite a while now, so I am happy to contribute back to the project. Now you can have and control FSAA in your SDL/GL apps at the application level!
author Sam Lantinga <slouken@libsdl.org>
date Tue, 22 Jul 2003 15:10:06 +0000
parents f6ffac90895c
children b8d311d90021
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/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002  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
*/

#ifdef SAVE_RCSID
static char rcsid =
 "@(#) $Id$";
#endif

/* This file defines a structure that carries language-independent
   error messages
*/

#ifndef _SDL_error_c_h
#define _SDL_error_c_h

#define ERR_MAX_STRLEN	128
#define ERR_MAX_ARGS	5

typedef struct {
	/* This is a numeric value corresponding to the current error */
	int error;

	/* This is a key used to index into a language hashtable containing
	   internationalized versions of the SDL error messages.  If the key
	   is not in the hashtable, or no hashtable is available, the key is
	   used directly as an error message format string.
	*/
	unsigned char key[ERR_MAX_STRLEN];

	/* These are the arguments for the error functions */
	int argc;
	union {
		void *value_ptr;
#if 0	/* What is a character anyway?  (UNICODE issues) */
		unsigned char value_c;
#endif
		int value_i;
		double value_f;
		unsigned char buf[ERR_MAX_STRLEN];
	} args[ERR_MAX_ARGS];
} SDL_error;

#endif /* _SDL_error_c_h */