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st/nine: Improve D3DQUERYTYPE_TIMESTAMP

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Avoid blocking when retrieving D3DQUERYTYPE_TIMESTAMP result with
NineQuery9_GetData(), when D3DGETDATA_FLUSH is not specified.
This mimics Win behaviour and gives slightly better performance
for some games.

Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>
Reviewed-by: Axel Davy <axel.davy@ens.fr>
Signed-off-by: Xavier Bouchoux <xavierb@gmail.com>
This commit is contained in:
Xavier Bouchoux 2015-02-21 19:56:40 +01:00 • committed by Axel Davy
parent 851abb9145
commit d838fe8243
1 changed files with 7 additions and 2 deletions
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9
src/gallium/state_trackers/nine/query9.c
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@ -227,8 +227,13 @@ NineQuery9_GetData( struct NineQuery9 *This,
wait_query_result = TRUE;
}
/* Wine tests: D3DQUERYTYPE_TIMESTAMP always succeeds */
wait_query_result |= This->type == D3DQUERYTYPE_TIMESTAMP;
/* The documention mentions no special case for D3DQUERYTYPE_TIMESTAMP.
* However Windows tests show that the query always succeeds when
* D3DGETDATA_FLUSH is specified. */
if (This->type == D3DQUERYTYPE_TIMESTAMP &&
(dwGetDataFlags & D3DGETDATA_FLUSH))
wait_query_result = TRUE;
/* Note: We ignore dwGetDataFlags, because get_query_result will
* flush automatically if needed */