Hi!
Attached is a simple program that repeatedly calls XDamageAdd with a
rectangle in the upper left corner, in a way very similar to what's done
when a DRI client runs glxSwapBuffers().
The problem I'm seeing with this is that an xterm window gets corrupted
when placed either to the right of
or below the region in question. I'm not sure whether this is a usage
problem, an X server problem or an xterm problem, but i can't really
recall seeing it before.
Any insight would be appreciated.
Thanks,
Thomas
#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>
#include <X11/extensions/Xdamage.h>
int main()
{
Display *dpy;
int scrnum;
Window root;
dpy = XOpenDisplay(XDisplayName(NULL));
scrnum = DefaultScreen(dpy);
root = RootWindow(dpy, scrnum);
while(1) {
XRectangle rect;
XserverRegion region;
rect.x = 5;
rect.y = 5;
rect.width = 300;
rect.height = 300;
region = XFixesCreateRegion(dpy, &rect, 1);
XDamageAdd(dpy, root, region);
XFixesDestroyRegion(dpy, region);
}
}
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