r300g: Fix recursive Draw flush.

Also just noticed that demos/copypix walks around the overlapping blit rules.

Bad, bad Mesa. :3

1 files changed, 5 insertions, 1 deletions

diff --git a/src/gallium/drivers/r300/r300_flush.c b/src/gallium/drivers/r300/r300_flush.c
index 89a5f2b20cf..0dff1c6f4fb 100644
--- a/src/gallium/drivers/r300/r300_flush.c
+++ b/src/gallium/drivers/r300/r300_flush.c
@@ -29,7 +29,11 @@ static void r300_flush(struct pipe_context* pipe,
     struct r300_context* r300 = r300_context(pipe);
     CS_LOCALS(r300);
 
-    draw_flush(r300->draw);
+    /* We probably need to flush Draw, but we may have been called from
+     * within Draw. This feels kludgy, but it might be the best thing. */
+    if (!r300->draw->flushing) {
+        draw_flush(r300->draw);
+    }
 
     if (r300->dirty_hw) {
         FLUSH_CS;