glx/drisw: fix shm put image fallback

The fallback to the non-shm put path used the wrong width here
as the pixmap is still allocated in a shared segment, so the
width needs to reflect that.

Fixes: 02c3dad0f3b4 ("Call shmget() with permission 0600 instead of 0777")
Reviewed-by: Michel Dänzer <mdaenzer@redhat.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3823>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3823>

diff --git a/src/glx/drisw_glx.c b/src/glx/drisw_glx.c
index dfa3218d759ecf61d4fab2cc970545e77f64cd85..985e258663e5af79362626defb7ad26e107ec387 100644 (file)
--- a/src/glx/drisw_glx.c
+++ b/src/glx/drisw_glx.c
@@ -193,14 +193,13 @@ swrastXPutImage(__DRIdrawable * draw, int op,
    ximage->bytes_per_line = stride ? stride : bytes_per_line(w * ximage->bits_per_pixel, 32);
    ximage->data = data;
 
+   ximage->width = ximage->bytes_per_line / ((ximage->bits_per_pixel + 7)/ 8);
+   ximage->height = h;
+
    if (pdp->shminfo.shmid >= 0) {
-      ximage->width = ximage->bytes_per_line / ((ximage->bits_per_pixel + 7)/ 8);
-      ximage->height = h;
       XShmPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h, False);
       XSync(dpy, False);
    } else {
-      ximage->width = w;
-      ximage->height = h;
       XPutImage(dpy, drawable, gc, ximage, srcx, srcy, x, y, w, h);
    }
    ximage->data = NULL;