Attachment 112152 Details for Bug 88354 – Test program demonstrating crash/lock

Test program demonstrating crash/lock

glxwindow.c (text/plain), 2.30 KB, created by Seán de Búrca on 2015-01-13 06:07:23 UTC

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Creator: Seán de Búrca

Created: 2015-01-13 06:07:23 UTC

Size: 2.30 KB

patch

obsolete

>#include <stdio.h>
>#include <stdlib.h>
>#include <unistd.h>
>
>#include <GL/glx.h>
>#include <X11/Xlib.h>
>
>typedef GLXContext (*glXCreateContextAttribsARBProc)(Display *, GLXFBConfig, GLXContext, int, const int *);
>
>#ifdef VSYNC
>	typedef int (*glXSwapIntervalMESAProc)(int);
>#endif
>
>int main(int argc, char **argv) {
>	Display *display = XOpenDisplay(NULL);
>
>	static int visual_attribs[] = {
>		GLX_X_RENDERABLE, True,
>		GLX_DRAWABLE_TYPE, GLX_WINDOW_BIT,
>		GLX_RENDER_TYPE, GLX_RGBA_BIT,
>		GLX_X_VISUAL_TYPE, GLX_TRUE_COLOR,
>		GLX_RED_SIZE, 8,
>		GLX_GREEN_SIZE, 8,
>		GLX_BLUE_SIZE, 8,
>		GLX_ALPHA_SIZE, 8,
>		GLX_DEPTH_SIZE, 24,
>		GLX_STENCIL_SIZE, 8,
>		GLX_DOUBLEBUFFER, True,
>		None
>	};
>
>	int fbcount;
>	GLXFBConfig* fbc = glXChooseFBConfig(display, DefaultScreen(display), visual_attribs, &fbcount);
>
>	XVisualInfo *vi = glXGetVisualFromFBConfig(display, fbc[0]);
>
>	XSetWindowAttributes swa;
>	Colormap cmap;
>	cmap = XCreateColormap(display, RootWindow(display, vi->screen), vi->visual, AllocNone);
>
>	swa.colormap = cmap;
>	swa.background_pixmap = None;
>	swa.border_pixel = 0;
>	swa.event_mask = StructureNotifyMask;
> 
>	Window window = XCreateWindow(display, RootWindow(display, vi->screen),
>		100, 100, 800, 600, 0, vi->depth, InputOutput, vi->visual,
>		CWBorderPixel | CWColormap | CWEventMask, &swa);
>
>	XFree(vi);
>
>	XStoreName(display, window, "OpenGL");
>
>	glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0;
>	glXCreateContextAttribsARB = (glXCreateContextAttribsARBProc)glXGetProcAddressARB((const GLubyte *)"glXCreateContextAttribsARB");
>
>	int attribs[] = {
>		GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
>		GLX_CONTEXT_MINOR_VERSION_ARB, 2,
>		None
>	};
>
>	GLXContext context = glXCreateContextAttribsARB(display, fbc[0], 0, True, attribs);
>
>	free(fbc);
>
>	glXMakeCurrent(display, window, context);
>
>	#ifdef VSYNC
>		glXSwapIntervalMESAProc glXSwapIntervalMESA = 0;
>		glXSwapIntervalMESA = (glXSwapIntervalMESAProc)glXGetProcAddressARB((const GLubyte *)"glXSwapIntervalMESA");
>
>		glXSwapIntervalMESA(1);
>	#endif
>
>	int i;
>	for (i = 0; i < 1000; i++) {
>		#ifndef NOSWAP
>			glXSwapBuffers(display, window);
>
>			#ifdef SLEEP
>				sleep(1);
>			#endif
>		#endif
>
>		fprintf(stderr, "loop\n");
>	}
>
>	glXMakeCurrent(display, 0, 0);
>	glXDestroyContext(display, context);
>
>	XDestroyWindow(display, window);
>	XFreeColormap(display, cmap);
>	XCloseDisplay(display);
>	
>	return 0;
>}

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Attachments on bug 88354: 112152

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