panfrost: Don't set CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER
We already set HALF_INTEGER, which is what the compiler actually does.
If we also set PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER, we get
incorrect lowering. Only set the CAP we respect.
On Bifrost, this convention is arbitrary. We should consider moving the
Bifrost lowering into NIR to optimize this better...
Fixes Piglit glsl-arb-fragment-coord-conventions.
Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13070>
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