i965: do a flush in clear, fix openarena render issue,

      fd.o bug# 23857

diff --git a/src/mesa/drivers/dri/intel/intel_clear.c b/src/mesa/drivers/dri/intel/intel_clear.c
index bce23724b3854c5ceb62bd67ed201e76f99bccf5..9efe6a277c77343e58a93d5c5ed998311a90bb27 100644 (file)
--- a/src/mesa/drivers/dri/intel/intel_clear.c
+++ b/src/mesa/drivers/dri/intel/intel_clear.c
@@ -170,6 +170,7 @@ intelClear(GLcontext *ctx, GLbitfield mask)
         }
         DBG("\n");
       }
+      intelFlush(&intel->ctx);
       _mesa_meta_clear(&intel->ctx, tri_mask);
    }