On Sun, Oct 22, 2017 at 9:07 PM, Nicolai Hähnle <nhaeh...@gmail.com> wrote:
> From: Nicolai Hähnle <nicolai.haeh...@amd.com>
>
> The driver uses (and must use) the flushed flag of queries as a hint that
> it does not have to check for synchronization with currently queued up
> commands. Deferred flushes do not actually flush queued up commands, so
> we must not set the flushed flag for them.
>
> Found by inspection.
> ---
> src/gallium/auxiliary/util/u_threaded_context.c | 8 +++++---
> src/gallium/auxiliary/util/u_threaded_context.h | 2 +-
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/src/gallium/auxiliary/util/u_threaded_context.c
> b/src/gallium/auxiliary/util/u_threaded_context.c
> index 7e28b87a7ff..24fab7f5cb6 100644
> --- a/src/gallium/auxiliary/util/u_threaded_context.c
> +++ b/src/gallium/auxiliary/util/u_threaded_context.c
> @@ -1783,23 +1783,25 @@ tc_create_video_buffer(struct pipe_context *_pipe,
> */
>
> static void
> tc_flush(struct pipe_context *_pipe, struct pipe_fence_handle **fence,
> unsigned flags)
> {
> struct threaded_context *tc = threaded_context(_pipe);
> struct pipe_context *pipe = tc->pipe;
> struct threaded_query *tq, *tmp;
>
> - LIST_FOR_EACH_ENTRY_SAFE(tq, tmp, &tc->unflushed_queries, head_unflushed)
> {
> - tq->flushed = true;
> - LIST_DEL(&tq->head_unflushed);
> + if (!(flags & PIPE_FLUSH_DEFERRED)) {
Do we also need to check the ASYNC flag here? Or top-of-pipe and
bottom-of-pipe flags that don't have to flush caches if I understand
correctly?
Marek
> + LIST_FOR_EACH_ENTRY_SAFE(tq, tmp, &tc->unflushed_queries,
> head_unflushed) {
> + tq->flushed = true;
> + LIST_DEL(&tq->head_unflushed);
> + }
> }
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