From: Henri Verbeet <hverbeet@gmail.com>
Date: Sun, 19 Sep 2010 20:58:42 +0000 (+0200)
Subject: r600g: Respect PB_USAGE_UNSYNCHRONIZED in radeon_bo_pb_map_internal().
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=0f9181811fc0e2943b156acc4d43f2da8a4846d1;p=mesa.git

r600g: Respect PB_USAGE_UNSYNCHRONIZED in radeon_bo_pb_map_internal().
---

diff --git a/src/gallium/winsys/r600/drm/radeon_bo_pb.c b/src/gallium/winsys/r600/drm/radeon_bo_pb.c
index b8744b00eb4..93dc927aba4 100644
--- a/src/gallium/winsys/r600/drm/radeon_bo_pb.c
+++ b/src/gallium/winsys/r600/drm/radeon_bo_pb.c
@@ -54,6 +54,14 @@ radeon_bo_pb_map_internal(struct pb_buffer *_buf,
 {
 	struct radeon_bo_pb *buf = radeon_bo_pb(_buf);
 
+	if (flags & PB_USAGE_UNSYNCHRONIZED) {
+		if (!buf->bo->data && radeon_bo_map(buf->mgr->radeon, buf->bo)) {
+			return NULL;
+		}
+		LIST_DELINIT(&buf->maplist);
+		return buf->bo->data;
+	}
+
 	if (p_atomic_read(&buf->bo->reference.count) > 1) {
 		if (flags & PB_USAGE_DONTBLOCK) {
 			return NULL;