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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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0cceeb2035
Convert downsampling to Orc. Convert horizontal linear scaling to Orc. Combine horizontal and vertical scaling into one pass.
192 lines
2.7 KiB
Text
192 lines
2.7 KiB
Text
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.init gst_videoscale_orc_init
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.function orc_merge_linear_u8
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.dest 1 d1
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.source 1 s1
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.source 1 s2
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.param 1 p1
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.temp 2 t1
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.temp 2 t2
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.temp 1 a
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.temp 1 t
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loadb a, s1
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convubw t1, s1
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convubw t2, s2
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subw t2, t2, t1
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mullw t2, t2, p1
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addw t2, t2, 128
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convhwb t, t2
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addb d1, t, a
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.function orc_merge_linear_u16
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.dest 2 d1
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.source 2 s1
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.source 2 s2
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.param 2 p1
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.param 2 p2
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.temp 4 t1
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.temp 4 t2
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# This is slightly different thatn the u8 case, since muluwl
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# tends to be much faster than mulll
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muluwl t1, s1, p1
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muluwl t2, s2, p2
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addl t1, t1, t2
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shrul t1, t1, 16
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convlw d1, t1
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.function orc_splat_u16
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.dest 2 d1
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.param 2 p1
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copyw d1, p1
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.function orc_splat_u32
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.dest 4 d1
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.param 4 p1
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copyl d1, p1
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.function orc_downsample_u8
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.dest 1 d1 guint8
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.source 2 s1 guint8
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.temp 1 t1
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.temp 1 t2
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splitwb t1, t2, s1
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avgub d1, t1, t2
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.function orc_downsample_u16
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.dest 2 d1 guint16
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.source 4 s1 guint16
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.temp 2 t1
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.temp 2 t2
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splitlw t1, t2, s1
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avguw d1, t1, t2
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.function gst_videoscale_orc_downsample_u32
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.dest 4 d1 guint8
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.source 8 s1 guint8
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.temp 4 t1
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.temp 4 t2
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splitql t1, t2, s1
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x4 avgub d1, t1, t2
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.function gst_videoscale_orc_downsample_yuyv
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.dest 4 d1 guint8
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.source 8 s1 guint8
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.temp 4 yyyy
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.temp 4 uvuv
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.temp 2 t1
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.temp 2 t2
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.temp 2 yy
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.temp 2 uv
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x4 splitwb yyyy, uvuv, s1
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x2 splitwb t1, t2, yyyy
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x2 avgub yy, t1, t2
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splitlw t1, t2, uvuv
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x2 avgub uv, t1, t2
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x2 mergebw d1, yy, uv
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.function gst_videoscale_orc_resample_nearest_u8
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.dest 1 d1 guint8
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.source 1 s1 guint8
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.param 4 p1
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.param 4 p2
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ldresnearb d1, s1, p1, p2
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.function gst_videoscale_orc_resample_bilinear_u8
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.dest 1 d1 guint8
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.source 1 s1 guint8
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.param 4 p1
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.param 4 p2
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ldreslinb d1, s1, p1, p2
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.function gst_videoscale_orc_resample_nearest_u32
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.dest 4 d1 guint8
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.source 4 s1 guint8
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.param 4 p1
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.param 4 p2
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ldresnearl d1, s1, p1, p2
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.function gst_videoscale_orc_resample_bilinear_u32
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.dest 4 d1 guint8
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.source 4 s1 guint8
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.param 4 p1
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.param 4 p2
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ldreslinl d1, s1, p1, p2
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.function gst_videoscale_orc_resample_merge_bilinear_u32
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.dest 4 d1 guint8
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.dest 4 d2 guint8
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.source 4 s1 guint8
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.source 4 s2 guint8
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.temp 4 a
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.temp 4 b
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.temp 4 t
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.temp 8 t1
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.temp 8 t2
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.param 4 p1
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.param 4 p2
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.param 4 p3
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ldreslinl b, s2, p2, p3
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storel d2, b
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x4 loadb a, s1
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x4 convubw t1, a
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x4 convubw t2, b
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x4 subw t2, t2, t1
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x4 mullw t2, t2, p1
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x4 convhwb t, t2
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x4 addb d1, t, a
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.function gst_videoscale_orc_merge_bicubic_u8
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.dest 1 d1 guint8
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.source 1 s1 guint8
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.source 1 s2 guint8
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.source 1 s3 guint8
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.source 1 s4 guint8
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.param 4 p1
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.param 4 p2
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.param 4 p3
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.param 4 p4
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.temp 2 t1
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.temp 2 t2
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mulubw t1, s2, p2
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mulubw t2, s3, p3
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addw t1, t1, t2
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mulubw t2, s1, p1
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subw t1, t1, t2
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mulubw t2, s4, p4
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subw t1, t1, t2
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addw t1, t1, 32
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shrsw t1, t1, 6
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convsuswb d1, t1
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