renderer: move ctx forcing into fence checking.

This is a precursor for some later changes

Signed-off-by: Dave Airlie <airlied@redhat.com>

src/virglrenderer.c

@@ -233,7 +233,6 @@ void *virgl_renderer_get_cursor_data(uint32_t resource_id, uint32_t *width, uint
 
 void virgl_renderer_poll(void)
 {
-   virgl_renderer_force_ctx_0();
    vrend_renderer_check_queries();
    vrend_renderer_check_fences();
 }

src/vrend_renderer.c

@@ -5271,6 +5271,7 @@ void vrend_renderer_check_fences(void)
    if (!vrend_state.inited)
       return;
 
+   vrend_renderer_force_ctx_0();
    LIST_FOR_EACH_ENTRY_SAFE(fence, stor, &vrend_state.fence_list, fences) {
       glret = glClientWaitSync(fence->syncobj, 0, 0);
       if (glret == GL_ALREADY_SIGNALED){