On Fri, May 19, 2017 at 11:41:10AM +0200, Lucas Stach wrote: > Reduces bandwidth usage of transfers which discard the buffer contents, > as well as skipping unnecessary command stream flushes and CPU/GPU > synchronization.
Looks obviously correct. The contents of the temporary resource don't matter if DISCARD_WHOLE_RESOURCE. Reviewed-By: Wladimir J. van der Laan > Signed-off-by: Lucas Stach <[email protected]> > --- > src/gallium/drivers/etnaviv/etnaviv_transfer.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/src/gallium/drivers/etnaviv/etnaviv_transfer.c > b/src/gallium/drivers/etnaviv/etnaviv_transfer.c > index a2cd4e6234dd..f7871f485371 100644 > --- a/src/gallium/drivers/etnaviv/etnaviv_transfer.c > +++ b/src/gallium/drivers/etnaviv/etnaviv_transfer.c > @@ -188,7 +188,9 @@ etna_transfer_map(struct pipe_context *pctx, struct > pipe_resource *prsc, > return NULL; > } > > - etna_copy_resource(pctx, trans->rsc, prsc, level, > trans->rsc->last_level); > + if (!(usage & PIPE_TRANSFER_DISCARD_WHOLE_RESOURCE)) > + etna_copy_resource(pctx, trans->rsc, prsc, level, > + trans->rsc->last_level); > > /* Switch to using the temporary resource instead */ > rsc = etna_resource(trans->rsc); > -- > 2.11.0 > > _______________________________________________ > etnaviv mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/etnaviv _______________________________________________ mesa-dev mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/mesa-dev
