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zink: add pipe_context::get_timestamp hook

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this uses VK_EXT_calibrated_timestamps to read a timestamp immediately from
the device without using a batch, which is what the gallium api expects

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6923>
This commit is contained in:
Mike Blumenkrantz 2020-07-10 14:46:18 -04:00 • committed by Marge Bot
parent b551ee22df
commit bb603352b6
1 changed files with 15 additions and 0 deletions
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15
src/gallium/drivers/zink/zink_query.c
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@ -477,6 +477,20 @@ zink_render_condition(struct pipe_context *pctx,
pipe_resource_reference(&pres, NULL);
}
static uint64_t
zink_get_timestamp(struct pipe_context *pctx)
{
struct zink_screen *screen = zink_screen(pctx->screen);
uint64_t timestamp, deviation;
assert(screen->info.have_EXT_calibrated_timestamps);
VkCalibratedTimestampInfoEXT cti = {};
cti.sType = VK_STRUCTURE_TYPE_CALIBRATED_TIMESTAMP_INFO_EXT;
cti.timeDomain = VK_TIME_DOMAIN_DEVICE_EXT;
screen->vk_GetCalibratedTimestampsEXT(screen->dev, 1, &cti, &timestamp, &deviation);
timestamp_to_nanoseconds(screen, &timestamp);
return timestamp;
}
void
zink_context_query_init(struct pipe_context *pctx)
{
@ -490,4 +504,5 @@ zink_context_query_init(struct pipe_context *pctx)
pctx->get_query_result = zink_get_query_result;
pctx->set_active_query_state = zink_set_active_query_state;
pctx->render_condition = zink_render_condition;
pctx->get_timestamp = zink_get_timestamp;
}