From: Marek Olšák <marek.olsak@amd.com>
Date: Sun, 1 Sep 2013 21:00:28 +0000 (+0200)
Subject: radeon: don't emit streamout state if there are no streamout buffers
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4ea35023c5a911fee5eebe8e4c4b7200cf665d9b;p=mesa.git

radeon: don't emit streamout state if there are no streamout buffers

This could happen if set_stream_output_targets is called twice
in a row without a draw call in between.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
---

diff --git a/src/gallium/drivers/radeon/r600_streamout.c b/src/gallium/drivers/radeon/r600_streamout.c
index 313d7378c89..18f7d8883b5 100644
--- a/src/gallium/drivers/radeon/r600_streamout.c
+++ b/src/gallium/drivers/radeon/r600_streamout.c
@@ -137,6 +137,8 @@ void r600_set_streamout_targets(struct pipe_context *ctx,
 
 	if (num_targets) {
 		r600_streamout_buffers_dirty(rctx);
+	} else {
+		rctx->streamout.begin_atom.dirty = false;
 	}
 }