Mesa (master): ilo: no writeback without PIPE_TRANSFER_WRITE
Chia-I Wu
olv at kemper.freedesktop.org
Wed May 15 07:28:00 UTC 2013
Module: Mesa
Branch: master
Commit: 5af8641ce0d1d725d5eb1df83c8211d2cdbe528c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=5af8641ce0d1d725d5eb1df83c8211d2cdbe528c
Author: Chia-I Wu <olvaffe at gmail.com>
Date: Wed May 15 08:50:34 2013 +0800
ilo: no writeback without PIPE_TRANSFER_WRITE
We should not write staging data back when PIPE_TRANSFER_WRITE is not set.
---
src/gallium/drivers/ilo/ilo_transfer.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/ilo/ilo_transfer.c b/src/gallium/drivers/ilo/ilo_transfer.c
index 3b4a213..3d38fe8 100644
--- a/src/gallium/drivers/ilo/ilo_transfer.c
+++ b/src/gallium/drivers/ilo/ilo_transfer.c
@@ -188,6 +188,11 @@ tex_staging_sys_unmap(struct ilo_context *ilo,
struct pipe_transfer *dst_xfer;
void *dst;
+ if (!(xfer->base.usage & PIPE_TRANSFER_WRITE)) {
+ FREE(xfer->staging_sys);
+ return;
+ }
+
dst = ilo->base.transfer_map(&ilo->base,
xfer->base.resource, xfer->base.level,
PIPE_TRANSFER_WRITE |
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