fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-05 16:08:04 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

radeonsi: avoid redundant SET_PREDICATION packet with QBO workaround

Browse source 
The QBO workaround compute grid launch emits the render condition atom
when dirty, so install the render condition in the context only after
launching the compute grid. This avoids a redundant SET_PREDICATION.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle 2017-07-27 19:41:26 +02:00
parent dfc1502c84
commit 1c5b7d5235
1 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/gallium/drivers/radeon/r600_query.c
View file

@ -1790,10 +1790,6 @@ static void r600_render_condition(struct pipe_context *ctx,
struct r600_query_buffer *qbuf;
struct r600_atom *atom = &rctx->render_cond_atom;
rctx->render_cond = query;
rctx->render_cond_invert = condition;
rctx->render_cond_mode = mode;
/* Compute the size of SET_PREDICATION packets. */
atom->num_dw = 0;
if (query) {
@ -1820,6 +1816,11 @@ static void r600_render_condition(struct pipe_context *ctx,
&rquery->workaround_offset,
(struct pipe_resource **)&rquery->workaround_buf);
/* Reset to NULL to avoid a redundant SET_PREDICATION
* from launching the compute grid.
*/
rctx->render_cond = NULL;
ctx->get_query_result_resource(
ctx, query, true, PIPE_QUERY_TYPE_U64, 0,
&rquery->workaround_buf->b.b, rquery->workaround_offset);
@ -1836,6 +1837,10 @@ static void r600_render_condition(struct pipe_context *ctx,
}
}
rctx->render_cond = query;
rctx->render_cond_invert = condition;
rctx->render_cond_mode = mode;
rctx->set_atom_dirty(rctx, atom, query != NULL);
}