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freedreno: allow fence_fd fences to be recycled

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This allows us to avoid a no-op flush if there has been no rendering,
but we hit pctx->flush(PIPE_FLUSH_FENCE_FD).

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6177>
This commit is contained in:
Rob Clark 2020-08-04 14:24:44 -07:00 • committed by Marge Bot
parent 07a49bf597
commit 141b295311
3 changed files with 8 additions and 1 deletions
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3
src/gallium/drivers/freedreno/freedreno_context.c
View file

@ -60,7 +60,8 @@ fd_context_flush(struct pipe_context *pctx, struct pipe_fence_handle **fencep,
* not an "fd" fence, which results in eglDupNativeFenceFDANDROID()
* errors.
*/
if (flags & PIPE_FLUSH_FENCE_FD)
if ((flags & PIPE_FLUSH_FENCE_FD) && ctx->last_fence &&
!fd_fence_is_fd(ctx->last_fence))
fd_fence_ref(&ctx->last_fence, NULL);
/* if no rendering since last flush, ie. app just decided it needed

5
src/gallium/drivers/freedreno/freedreno_fence.c
View file

@ -150,6 +150,11 @@ int fd_fence_get_fd(struct pipe_screen *pscreen,
return os_dupfd_cloexec(fence->fence_fd);
}
bool fd_fence_is_fd(struct pipe_fence_handle *fence)
{
return fence->fence_fd != -1;
}
struct pipe_fence_handle * fd_fence_create(struct fd_batch *batch)
{
return fence_create(batch->ctx, batch, 0, -1);

1
src/gallium/drivers/freedreno/freedreno_fence.h
View file

@ -44,6 +44,7 @@ void fd_fence_server_sync(struct pipe_context *pctx,
struct pipe_fence_handle *fence);
int fd_fence_get_fd(struct pipe_screen *pscreen,
struct pipe_fence_handle *pfence);
bool fd_fence_is_fd(struct pipe_fence_handle *fence);
struct fd_batch;
struct pipe_fence_handle * fd_fence_create(struct fd_batch *batch);