nir/lower_point_size: assume scalar PSIZ

Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
22 jobs for !1868 with nir_psiz_scalar in 14 minutes and 56 seconds (queued for 6 seconds)
detached
Status Job ID Name Coverage
  Containers Build
passed #597114
debian

00:00:22

 
  Build+Test
passed #597123
meson-arm64

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passed #597122
meson-armhf

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passed #597117
meson-clang

00:09:32

passed #597120
meson-clover

00:09:24

passed #597125
meson-i386

00:03:29

passed #597115
meson-main

00:09:32

passed #597116
meson-swr-glvnd

00:05:20

passed #597121
meson-vulkan

00:01:01

passed #597129
scons-llvm

00:02:54

passed #597127
scons-nollvm

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passed #597118
scons-swr

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passed #597119
scons-win64

00:09:00

 
  Test
passed #597130
test-llvmpipe-gles2 1/4

00:03:27

passed #597131
test-llvmpipe-gles2 2/4

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passed #597132
test-llvmpipe-gles2 3/4

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passed #597133
test-llvmpipe-gles2 4/4

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passed #597134
test-softpipe-gles2 1/4

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passed #597135
test-softpipe-gles2 2/4

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passed #597136
test-softpipe-gles2 3/4

00:01:29

passed #597137
test-softpipe-gles2 4/4

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passed #597138
test-softpipe-gles3-limited

00:03:58