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sna: Tweak number of threads for short areas 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-07-04 12:43:55 +01:00
parent d3ccb3f3b2
commit 2c8ab77fcd
1 changed files with 5 additions and 2 deletions
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7
src/sna/sna_threads.c
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@ -259,8 +259,8 @@ int sna_use_threads(int width, int height, int threshold)
if (max_threads <= 0)
return 1;
if (height <= max_threads)
return height;
if (height <= 1)
return 1;
if (width < 128)
height /= 128/width;
@ -271,6 +271,9 @@ int sna_use_threads(int width, int height, int threshold)
if (num_threads > max_threads)
num_threads = max_threads;
if (num_threads > height)
num_threads = height;
return num_threads;
}