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Niklas Haas
6321b53809
Needed to determine reverse dependencies of different input planes, for
appropriately splitting op lists involving subsampled planes.
Generates benign diffs that just reflect the new addition, e.g.:
yuva444p 16x16 -> rgb24 16x16:
[ u8 ===X] SWS_OP_READ : 3 elem(s) planar >> 0
min: {0 0 0 _}, max: {255 255 255 _}
+ inputs: {x y z _}, outputs: {xyz yz xy _}
[ u8 ===X] SWS_OP_CONVERT : u8 -> f32
min: {0 0 0 _}, max: {255 255 255 _}
+ inputs: {x y z _}, outputs: {xyz yz xy _}
[f32 ...X] SWS_OP_LINEAR : matrix3+off3 [[85/73 0 1.596027 0 -222.921566] [85/73 -0.391762 -0.812968 0 135.575295] [85/73 2.017232 0 0 -276.835851] [0 0 0 1 0]]
min: {-222.921566 -171.630839 -276.835851 _}, max: {480.983073 432.493103 534.476153 _}
+ inputs: {xz xyz xy _}, outputs: {x y z _}
[f32 ...X] SWS_OP_DITHER : 16x16 matrix + {0 3 2 -1}
min: {-222.919612 -171.628886 -276.833898 _}, max: {481.981120 433.491150 535.474200 _}
+ inputs: {xz xyz xy _}, outputs: {x y z _}
[f32 ...X] SWS_OP_MAX : {0 0 0 _} <= x
min: {0 0 0 _}, max: {481.981120 433.491150 535.474200 _}
+ inputs: {xz xyz xy _}, outputs: {x y z _}
[f32 ...X] SWS_OP_MIN : x <= {255 255 255 _}
min: {0 0 0 _}, max: {255 255 255 _}
+ inputs: {xz xyz xy _}, outputs: {x y z _}
[f32 +++X] SWS_OP_CONVERT : f32 -> u8
min: {0 0 0 _}, max: {255 255 255 _}
+ inputs: {xz xyz xy _}, outputs: {x y z _}
[ u8 XXXX] SWS_OP_WRITE : 3 elem(s) packed >> 0
('X' unused, 'z' byteswapped, '=' copied, '$' const, '+' integer, '0' zero)
Sponsored-by: Sovereign Tech Fund
Signed-off-by: Niklas Haas <git@haasn.dev>