Henri Verbeet : ddraw: Use wined3d_bit_scan() in viewport_alloc_active_light_index().
Alexandre Julliard
julliard at winehq.org
Mon Jul 1 15:15:14 CDT 2019
Module: wine
Branch: master
Commit: f30248f3361fa175a919e8009b8f1778dba40942
URL: https://source.winehq.org/git/wine.git/?a=commit;h=f30248f3361fa175a919e8009b8f1778dba40942
Author: Henri Verbeet <hverbeet at codeweavers.com>
Date: Fri Jun 28 15:12:21 2019 +0430
ddraw: Use wined3d_bit_scan() in viewport_alloc_active_light_index().
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ddraw/viewport.c | 11 +++--------
1 file changed, 3 insertions(+), 8 deletions(-)
diff --git a/dlls/ddraw/viewport.c b/dlls/ddraw/viewport.c
index e94c4b8..556783a 100644
--- a/dlls/ddraw/viewport.c
+++ b/dlls/ddraw/viewport.c
@@ -152,15 +152,10 @@ void viewport_alloc_active_light_index(struct d3d_light *light)
}
}
}
- map = vp->map_lights;
- assert(vp->active_lights_count < DDRAW_MAX_ACTIVE_LIGHTS && map != ~0u);
- i = 0;
- while (map & 1)
- {
- map >>= 1;
- ++i;
- }
+ map = ~vp->map_lights;
+ assert(vp->active_lights_count < DDRAW_MAX_ACTIVE_LIGHTS && map);
+ i = wined3d_bit_scan(&map);
light->active_light_index = i + 1;
++vp->active_lights_count;
vp->map_lights |= 1u << i;
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