virglrenderer: force ctx0 for cursor

Tested-by: Jakob Bornecrantz <jakob@collabora.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Signed-off-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Signed-off-by: Jakob Bornecrantz <jakob@collabora.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

src/virglrenderer.c

@@ -289,6 +289,7 @@ static struct vrend_if_cbs virgl_cbs = {
 
 void *virgl_renderer_get_cursor_data(uint32_t resource_id, uint32_t *width, uint32_t *height)
 {
+   vrend_renderer_force_ctx_0();
    return vrend_renderer_get_cursor_contents(resource_id, width, height);
 }