r300g: ugly fix of a hardlock in the cubestorm xscreensaver

FDO bug #28563.

2 files changed, 5 insertions, 3 deletions

diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index 2408a953538..3cc054788bc 100644
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -133,6 +133,10 @@ static void r300_clear(struct pipe_context* pipe,
                        fb->nr_cbufs,
                        buffers, rgba, depth, stencil);
     r300_blitter_end(r300);
+
+    /* XXX this flush "fixes" a hardlock in the cubestorm xscreensaver */
+    if (r300->flush_counter == 0)
+        pipe->flush(pipe, 0, NULL);
 }
 
 /* Clear a region of a color surface to a constant value. */
diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
index ba840bfff81..2ebf1c814b4 100644
--- a/src/gallium/drivers/r300/r300_flush.c
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -50,9 +50,7 @@ static void r300_flush(struct pipe_context* pipe,
     if (r300->dirty_hw) {
         r300_emit_query_end(r300);
 
-        if (SCREEN_DBG_ON(r300->screen, DBG_STATS)) {
-            r300->flush_counter++;
-        }
+        r300->flush_counter++;
         r300->rws->flush_cs(r300->rws);
         r300->dirty_hw = 0;