Utgard PP is vec4, but some operations are scalar, utilize
NIR vec to scalar lowering pass and indicate operations that we
want to lower.
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Now that we have fsum in nir, we can move fdot lowering there.
This helps reduce ppir complexity and enables the lowered ops to be part
of other nir optimizations in the optimization loop.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
The 'varying fetch' pp instruction deals only with coordinates, and
'texture fetch' deals only with the sampler index.
Previously it was not possible to clearly map ppir_op_load_coords and
ppir_op_load_texture to pp instructions as the source coordinates were
kept in the ppir_op_load_texture node, making this harder to maintain.
The refactor is made with the attempt to clearly map ppir_op_load_coords
to the 'varying fetch' and ppir_op_load_texture to the 'texture fetch'.
The coordinates are still temporarily kept in the ppir_op_load_texture
node as nir has both sampler and coordinates in a single instruction and
it is only possible to output one ppir node during emit. But now after
lowering, the sources are transferred to the (always) created
ppir_op_load_coords node, and it should be possible to directly map them
to their pp instructions from there onwards.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
This commit also adds codegen for branch since we need it
for discard_if.
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Support nir_op_ftrunc by turning it into a mov with a round to integer
output modifier.
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
