[Mesa-dev] [PATCH 3/4] r600g: Handle PIPE_TRANSFER_MAP_DIRECTLY.

[Michel Dänzer]

From: Michel Dänzer <michel.daenzer at amd.com>

If the state tracker tries to map the resource directly but we can't or don't
want to do that, fail to create a transfer.

Signed-off-by: Michel Dänzer <michel.daenzer at amd.com>
---
 src/gallium/drivers/r600/r600_texture.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c
index e41fe11..7c1bd9d 100644
--- a/src/gallium/drivers/r600/r600_texture.c
+++ b/src/gallium/drivers/r600/r600_texture.c
@@ -647,6 +647,9 @@ struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx,
 		(texture->flags & R600_RESOURCE_FLAG_TRANSFER))
 		use_staging_texture = FALSE;
 
+	if (use_staging_texture && (usage & PIPE_TRANSFER_MAP_DIRECTLY))
+		return NULL;
+
 	trans = CALLOC_STRUCT(r600_transfer);
 	if (trans == NULL)
 		return NULL;
-- 
1.7.5.4