diff options
| author | José Fonseca <[email protected]> | 2012-12-09 10:08:13 +0000 |
|---|---|---|
| committer | José Fonseca <[email protected]> | 2012-12-20 16:33:49 +0000 |
| commit | 3160b0b9fc2b49b0e9fe684b955eebf3691024ff (patch) | |
| tree | 8125293ed921fa635998dbaefe99d639af7cb609 /src/mesa/state_tracker/st_context.h | |
| parent | 9976216bf699be092e14b66ba3a3ecfa3859e87f (diff) | |
mesa/st: Implement GL_TIME_ELAPSED w/ PIPE_QUERY_TIMESTAMP.
ARB/EXT_timer_query's definition of GL_TIME_ELAPSED match precisely the
subtraction of two GL_TIMESTAMP queries.
And for a lot of drivers, that's precisely how they have to implement
internally -- by emitting two hardware timestamp queries.
So, to simplify driver implementation, simply allow doing so in the state
tracker.
Eventually if no driver implements PIPE_QUERY_TIME_ELAPSED then we could
retire it.
Reviewed-by: Dave Airlie <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker/st_context.h')
| -rw-r--r-- | src/mesa/state_tracker/st_context.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h index eeb7f0c4fd6..2be74b45262 100644 --- a/src/mesa/state_tracker/st_context.h +++ b/src/mesa/state_tracker/st_context.h @@ -83,6 +83,7 @@ struct st_context GLboolean clamp_frag_color_in_shader; GLboolean clamp_vert_color_in_shader; boolean has_stencil_export; /**< can do shader stencil export? */ + boolean has_time_elapsed; /* On old libGL's for linux we need to invalidate the drawables * on glViewpport calls, this is set via a option. |