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videoconvert: fix I420 to BGRA fast-path some more

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Calculate alpha value differently so that we can avoid running out
of registers.
This commit is contained in:
Wim Taymans 2014-01-09 18:08:41 +01:00
parent 38e1541466
commit 5ca04cb798
1 changed files with 5 additions and 4 deletions
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gst/videoconvert/gstvideoconvertorc.orc
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@ -725,6 +725,7 @@ x4 addb argb, x, 128
.temp 1 r
.temp 1 g
.temp 1 b
.temp 4 x
.const 1 c8 8
.const 1 c128 128
@ -766,7 +767,7 @@ convssswb g, wg
convssswb b, wb
mergebw t1, b, g
x2 subb t1, t1, c128
subb r, r, c128
mergebw t2, r, 255
mergewl argb, t1, t2
mergebw t2, r, 127
mergewl x, t1, t2
x4 addb argb, x, c128