From: Marek Olšák <marek.olsak@amd.com>
Date: Wed, 24 Feb 2016 16:36:52 +0000 (+0100)
Subject: gallium/radeon: buffer valid range tracking only works with unshared buffers
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=afdaffcbdb35e326e06d458c01a31a4e262ace24;p=mesa.git

gallium/radeon: buffer valid range tracking only works with unshared buffers

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
---

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;
 	}