Attachment 102088 Details for Bug 61022 – short reproducer

short reproducer

glxcrash.c (text/plain), 2.01 KB, created by Michal Schmidt on 2014-07-01 18:10:37 UTC

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Creator: Michal Schmidt

Created: 2014-07-01 18:10:37 UTC

Size: 2.01 KB

patch

obsolete

>/*
> * Reproducer for a Xorg crash with indirect GLX due to incorrect GL dispatch
> * Written by Michal Schmidt <mschmidt@redhat.com>
> * Copyright 2014 Red Hat, Inc.
> *
> * Permission is hereby granted, without written agreement and without
> * license or royalty fees, to use, copy, modify, and distribute this
> * software and its documentation for any purpose, provided that the
> * above copyright notice and the following two paragraphs appear in
> * all copies of this software.
> * 
> * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
> * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
> * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
> * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
> * DAMAGE.
> * 
> * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
> * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
> * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
> * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
> * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
> *
> *
> * Install build dependencies (on Fedora):
> *   yum install freeglut-devel
> * Build:
> *   gcc -lGL -lglut -o glxcrash glxcrash.c
> * Run:
> *   ./glxcrash -indirect
> */
>
>#include <stdio.h>
>#include <GL/gl.h>
>#include <GL/freeglut.h>
>
>static void draw(void)
>{
>	static const unsigned char *msg = (unsigned char*)
>		"If you can see this, it did not crash.";
>
>	/* crash! (not because of nonsense arguments, but because of
>	 * bad GL indirection table in Xorg process) */
>	glCompressedTexImage2D(0, 0, 0, 0, 0, 0, 5, "Hello");
>
>	glClear(GL_COLOR_BUFFER_BIT);
>	glRasterPos2f(-0.9,0);
>	glutBitmapString(GLUT_BITMAP_HELVETICA_18, msg);
>	glutSwapBuffers();
>}
>
>int main(int argc, char **argv)
>{
>	int win;
>
>	glutInitWindowSize(350, 100);
>	glutInit(&argc, argv);
>
>	win = glutCreateWindow("glxcrash");
>	if (!win) {
>		fprintf(stderr, "glutCreateWindow failed\n");
>		return 1;
>	}
>
>	glutDisplayFunc(draw);
>	glutMainLoop();
>
>	return 0;
>}

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Attachments on bug 61022: 102088

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