[Mesa-dev] [PATCH] gallium: fix u_default_transfer_inline_write for textures

Marek Olšák maraeo at gmail.com
Thu Jul 3 09:29:33 PDT 2014


From: Marek Olšák <marek.olsak at amd.com>

This doesn't fix any known issue. In fact, radeon drivers ignore all
the discard flags for textures and implicitly do "discard range"
for any write transfer.

Cc: mesa-stable at lists.freedesktop.org
---
 src/gallium/auxiliary/util/u_transfer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/gallium/auxiliary/util/u_transfer.c b/src/gallium/auxiliary/util/u_transfer.c
index 7804f2a..71da35d 100644
--- a/src/gallium/auxiliary/util/u_transfer.c
+++ b/src/gallium/auxiliary/util/u_transfer.c
@@ -25,8 +25,8 @@ void u_default_transfer_inline_write( struct pipe_context *pipe,
    usage |= PIPE_TRANSFER_WRITE;
 
    /* transfer_inline_write implicitly discards the rewritten buffer range */
-   /* XXX this looks very broken for non-buffer resources having more than one dim. */
-   if (box->x == 0 && box->width == resource->width0) {
+   if (resource->target == PIPE_BUFFER &&
+       box->x == 0 && box->width == resource->width0) {
       usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
    } else {
       usage |= PIPE_TRANSFER_DISCARD_RANGE;
-- 
1.9.1



More information about the mesa-dev mailing list