From afdaffcbdb35e326e06d458c01a31a4e262ace24 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= <marek.olsak@amd.com>
Date: Wed, 24 Feb 2016 17:36:52 +0100
Subject: [PATCH] gallium/radeon: buffer valid range tracking only works with
 unshared buffers
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Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---
 src/gallium/drivers/radeon/r600_buffer_common.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index 439a3cb30c0..fb3a80e7d03 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -294,6 +294,7 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
 	 * in which case it can be mapped unsynchronized. */
 	if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&
 	    usage & PIPE_TRANSFER_WRITE &&
+	    !rbuffer->is_shared &&
 	    !util_ranges_intersect(&rbuffer->valid_buffer_range, box->x, box->x + box->width)) {
 		usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
 	}
-- 
2.30.2