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r600g,radeonsi: make sure there's enough CS space before resuming queries

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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83432

Cc: "10.2 10.3" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
(cherry picked from commit 3dbf55c1be)
This commit is contained in:
Marek Olšák 2014-09-03 13:58:57 +02:00 • committed by Emil Velikov
parent ac75d9b6b6
commit 8e0f72995f
1 changed files with 28 additions and 0 deletions
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28
src/gallium/drivers/radeon/r600_query.c
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@ -786,12 +786,40 @@ void r600_suspend_nontimer_queries(struct r600_common_context *ctx)
assert(ctx->num_cs_dw_nontimer_queries_suspend == 0);
}
static unsigned r600_queries_num_cs_dw_for_resuming(struct r600_common_context *ctx)
{
struct r600_query *query;
unsigned num_dw = 0;
LIST_FOR_EACH_ENTRY(query, &ctx->active_nontimer_queries, list) {
/* begin + end */
num_dw += query->num_cs_dw * 2;
/* Workaround for the fact that
* num_cs_dw_nontimer_queries_suspend is incremented for every
* resumed query, which raises the bar in need_cs_space for
* queries about to be resumed.
*/
num_dw += query->num_cs_dw;
}
/* primitives generated query */
num_dw += ctx->streamout.enable_atom.num_dw;
/* guess for ZPASS enable or PERFECT_ZPASS_COUNT enable updates */
num_dw += 13;
return num_dw;
}
void r600_resume_nontimer_queries(struct r600_common_context *ctx)
{
struct r600_query *query;
assert(ctx->num_cs_dw_nontimer_queries_suspend == 0);
/* Check CS space here. Resuming must not be interrupted by flushes. */
ctx->need_gfx_cs_space(&ctx->b,
r600_queries_num_cs_dw_for_resuming(ctx), TRUE);
LIST_FOR_EACH_ENTRY(query, &ctx->active_nontimer_queries, list) {
r600_emit_query_begin(ctx, query);
}