From e433b73dd256577b022bf38c8499c7ea4eda9845 Mon Sep 17 00:00:00 2001 From: Zack Rusin Date: Tue, 22 Jun 2010 12:14:29 -0400 Subject: gallium: add a timestamp disjoint query allows application to not only request the frequency of the TIME_ELAPSED clock but also to detect if that frequency was consistent throughout the entire bracketed range of graphics commands. --- src/gallium/drivers/softpipe/sp_query.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'src/gallium/drivers/softpipe/sp_query.c') diff --git a/src/gallium/drivers/softpipe/sp_query.c b/src/gallium/drivers/softpipe/sp_query.c index 9328334c5c..4ae69c1c2b 100644 --- a/src/gallium/drivers/softpipe/sp_query.c +++ b/src/gallium/drivers/softpipe/sp_query.c @@ -59,7 +59,8 @@ softpipe_create_query(struct pipe_context *pipe, assert(type == PIPE_QUERY_OCCLUSION_COUNTER || type == PIPE_QUERY_TIME_ELAPSED || type == PIPE_QUERY_SO_STATISTICS || - type == PIPE_QUERY_GPU_FINISHED); + type == PIPE_QUERY_GPU_FINISHED || + type == PIPE_QUERY_TIMESTAMP_DISJOINT); sq = CALLOC_STRUCT( softpipe_query ); sq->type = type; @@ -93,6 +94,7 @@ softpipe_begin_query(struct pipe_context *pipe, struct pipe_query *q) break; case PIPE_QUERY_GPU_FINISHED: break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: default: assert(0); break; @@ -123,6 +125,7 @@ softpipe_end_query(struct pipe_context *pipe, struct pipe_query *q) softpipe->so_stats.primitives_storage_needed; break; case PIPE_QUERY_GPU_FINISHED: + case PIPE_QUERY_TIMESTAMP_DISJOINT: break; default: assert(0); @@ -149,6 +152,15 @@ softpipe_get_query_result(struct pipe_context *pipe, case PIPE_QUERY_GPU_FINISHED: *result = TRUE; break; + case PIPE_QUERY_TIMESTAMP_DISJOINT: { + struct pipe_query_data_timestamp_disjoint td; + /*os_get_time is in microseconds*/ + td.frequency = 1000000; + td.disjoint = FALSE; + memcpy(vresult, &sq->so, + sizeof(struct pipe_query_data_timestamp_disjoint)); + } + break; default: *result = sq->end - sq->start; break; -- cgit v1.2.3