From: Marek Olšák <marek.ol...@amd.com>
Cc: 18.3 19.0 <mesa-sta...@lists.freedesktop.org>
---
src/gallium/drivers/radeonsi/si_buffer.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_buffer.c
b/src/gallium/drivers/radeonsi/si_buffer.c
index bac561de2cb..c01118ce96a 100644
--- a/src/gallium/drivers/radeonsi/si_buffer.c
+++ b/src/gallium/drivers/radeonsi/si_buffer.c
@@ -518,24 +518,27 @@ static void *si_buffer_transfer_map(struct pipe_context
*ctx,
}
static void si_buffer_do_flush_region(struct pipe_context *ctx,
struct pipe_transfer *transfer,
const struct pipe_box *box)
{
struct si_transfer *stransfer = (struct si_transfer*)transfer;
struct si_resource *buf = si_resource(transfer->resource);
if (stransfer->staging) {
+ unsigned src_offset = stransfer->offset +
+ transfer->box.x % SI_MAP_BUFFER_ALIGNMENT
+
+ (box->x - transfer->box.x);
+
/* Copy the staging buffer into the original one. */
si_copy_buffer((struct si_context*)ctx, transfer->resource,
- &stransfer->staging->b.b, box->x,
- stransfer->offset + box->x %
SI_MAP_BUFFER_ALIGNMENT,
+ &stransfer->staging->b.b, box->x, src_offset,
box->width);
}
util_range_add(&buf->valid_buffer_range, box->x,
box->x + box->width);
}
static void si_buffer_flush_region(struct pipe_context *ctx,
struct pipe_transfer *transfer,
const struct pipe_box *rel_box)
--
2.17.1
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