This is the backport of eca57f85ee ("radeonsi: fix
gl_ClipDistance and gl_ClipVertex for points").
This change was tested on rv770, palm, barts and cayman. It
fixes 450 khr-gl tests and 64 khr-gles tests on evergreen
and cayman gpus. Here is the list:
spec/glsl-1.20/execution/clipping/vs-clip-vertex-primitives: fail pass
spec/glsl-1.30/execution/clipping/vs-clip-distance-primitives: fail pass
spec/glsl-1.50/execution/compatibility/clipping/gs-clip-vertex-primitives-points: fail pass
khr-gl(3[0-3]|4[0-5])/clip_distance/functional: fail pass
khr-gl(33|4[0-5])/cull_distance/functional_test_item_[0-8]_primitive_mode_points_max_culldist_[0-7]: fail pass
khr-gles3/clip_distance/functional: fail pass
khr-gles3/cull_distance/functional_test_item_[0-8]_primitive_mode_points_max_culldist_[0-7]: fail pass
Cc: mesa-stable
Signed-off-by: Patrick Lerda <patrick9876@free.fr>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34403>
Patrick Lerda
58ddf6aaf0