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zink: fix line strip offsets in pv mode emulation

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Offsets for line strips don't need to alternate like they do for
triangle strips.

Fixes: 5a4083349f ("zink: add provoking vertex mode lowering")
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22599>
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antonino 2023-04-04 18:55:52 +02:00 • committed by Marge Bot
parent bdb3daab7c
commit ee4e7b9d4d
1 changed files with 1 additions and 1 deletions
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src/gallium/drivers/zink/zink_compiler.c
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@ -446,7 +446,7 @@ lower_pv_mode_emit_rotated_prim(nir_builder *b,
* [lines, tris][even/odd index][vertex mod 3]
*/
static const unsigned vert_maps[2][2][3] = {
{{1, 0, 0}, {0, 1, 0}},
{{1, 0, 0}, {1, 0, 0}},
{{2, 0, 1}, {2, 1, 0}}
};
/* When the primive supplied to the gs comes from a strip, the last provoking vertex