Attachment 91760 Details for Bug 30089 – Small testcase to demonstrate GLXBadContextTag error when window is deleted with a current context

Small testcase to demonstrate GLXBadContextTag error when window is deleted with a current context

makecurrenttest.c (text/plain), 1.97 KB, created by Jon Turney on 2014-01-09 15:05:51 UTC

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Creator: Jon Turney

Created: 2014-01-09 15:05:51 UTC

Size: 1.97 KB

patch

obsolete

>
>#include <X11/X.h>
>#include <X11/Xlib.h>
>#include <GL/gl.h>
>#include <GL/glx.h>
>#include <assert.h>
>#include <unistd.h>
>#include <stdio.h>
>
>//
>// gcc -g -Wall -o makecurrenttest makecurrenttest.c -lX11 -lGL
>//
>
>static Window make_rgb_db_window( Display *dpy, XVisualInfo *visinfo,
>                                  unsigned int width, unsigned int height )
>{
>   int scrnum;
>   XSetWindowAttributes attr;
>   unsigned long mask;
>   Window root;
>   Window win;
>
>   scrnum = DefaultScreen( dpy );
>   root = RootWindow( dpy, scrnum );
>
>   /* window attributes */
>   attr.background_pixel = 0;
>   attr.border_pixel = 0;
>   attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
>   attr.event_mask = StructureNotifyMask | ExposureMask;
>   mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
>
>   win = XCreateWindow( dpy, root, 0, 0, width, height,
>                        0, visinfo->depth, InputOutput,
>                        visinfo->visual, mask, &attr );
>
>   return win;
>}
>
>
>int main()
>{
>  int i;
>
>  // Open the display
>  Display *dpy = XOpenDisplay(NULL);
>  assert(dpy);
>
>  int attrib[] = { GLX_RGBA,
>                   GLX_RED_SIZE, 1,
>                   GLX_GREEN_SIZE, 1,
>                   GLX_BLUE_SIZE, 1,
>                   GLX_DOUBLEBUFFER,
>                   None };
>
>  XVisualInfo *visinfo;
>  visinfo = glXChooseVisual( dpy, DefaultScreen(dpy), attrib );
>  if (!visinfo) {
>    printf("Error: couldn't get an RGB, Double-buffered visual\n");
>    assert(0);
>  }
>
>  // Create the window
>  Window w = make_rgb_db_window(dpy,visinfo,200,100);
>
>  // Map the window
>  XMapWindow(dpy, w);
>
>  XFlush(dpy);
>
>  for (i=0; i < 2; i++)
>    {
>      // Create context
>      GLXContext ctx = glXCreateContext(dpy, visinfo, NULL, True );
>      if (!ctx) {
>        printf("Error: glXCreateContext failed\n");
>        assert(0);
>      }
>
>      // Make current
>      glXMakeCurrent(dpy, w, ctx);
>
>      // Destroy context
>      glXDestroyContext(dpy, ctx);
>
>      XFlush(dpy);
>    }
>
>  return 0;
>}

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Attachments on bug 30089: 38555 | 38845 | 38936 | 91760

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