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authorMarek Olšák <[email protected]>2014-01-13 13:10:06 +0100
committerMarek Olšák <[email protected]>2014-01-23 01:47:14 +0100
commit5dfb10b2f5e1583eeaef9d7258f1d6a445444e9d (patch)
tree91cddf907929dba2fbefea011fd897c23d572802 /src/gallium
parentee0dc659c849ca9a552edd88d062035cae189068 (diff)
r600g,radeonsi: if discarding whole buffer range, discard whole resource instead
Also set the unsynchronized flag if the whole resource was discarded to avoid doing buffer-busy checks again. Reviewed-by: Michel Dänzer <[email protected]>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/radeon/r600_buffer_common.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index ac5fbcc0dd0..66e9d578b65 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -205,6 +205,12 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
}
+ /* If discarding the entire range, discard the whole resource instead. */
+ if (usage & PIPE_TRANSFER_DISCARD_RANGE &&
+ box->x == 0 && box->width == resource->width0) {
+ usage |= PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE;
+ }
+
if (usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE &&
!(usage & PIPE_TRANSFER_UNSYNCHRONIZED)) {
assert(usage & PIPE_TRANSFER_WRITE);
@@ -214,6 +220,8 @@ static void *r600_buffer_transfer_map(struct pipe_context *ctx,
rctx->ws->buffer_is_busy(rbuffer->buf, RADEON_USAGE_READWRITE)) {
rctx->invalidate_buffer(&rctx->b, &rbuffer->b.b);
}
+ /* At this point, the buffer is always idle. */
+ usage |= PIPE_TRANSFER_UNSYNCHRONIZED;
}
else if ((usage & PIPE_TRANSFER_DISCARD_RANGE) &&
!(usage & PIPE_TRANSFER_UNSYNCHRONIZED) &&