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.

1 files changed, 7 insertions, 1 deletions

diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index b3a53c262de..3b87d998ceb 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -383,7 +383,8 @@ enum pipe_transfer_usage {
 #define PIPE_QUERY_TIME_ELAPSED          3
 #define PIPE_QUERY_SO_STATISTICS         5
 #define PIPE_QUERY_GPU_FINISHED          6
-#define PIPE_QUERY_TYPES                 7
+#define PIPE_QUERY_TIMESTAMP_DISJOINT    7
+#define PIPE_QUERY_TYPES                 8
 
 
 /**
@@ -508,6 +509,11 @@ struct pipe_query_data_so_statistics
    uint64_t num_primitives_written;
    uint64_t primitives_storage_needed;
 };
+struct pipe_query_data_timestamp_disjoint
+{
+   uint64_t frequency;
+   boolean  disjoint;
+};
 
 #ifdef __cplusplus
 }