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pan/bi: Allow passing thorugh 8-bit scalars

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Needed for fragment output. Not nearly sufficient for actual 8-bit
types in e.g OpenCL.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Tested-by: Maciej Matuszczyk <maccraft123mc@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8427>
This commit is contained in:
Alyssa Rosenzweig 2021-01-05 19:21:26 -05:00 • committed by Marge Bot
parent fc3ac6fe55
commit 6b4f2d8529
1 changed files with 4 additions and 1 deletions
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5
src/panfrost/bifrost/bifrost_compile.c
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@ -726,7 +726,10 @@ bi_alu_src_index(nir_alu_src src, unsigned comps)
unsigned c1 = (comps > 1) ? src.swizzle[1] & 1 : c0;
idx.swizzle = BI_SWIZZLE_H00 + c1 + (c0 << 1);
} else if (bitsize == 8) {
unreachable("8-bit handling todo");
/* 8-bit vectors not yet supported */
assert(comps == 1 && "8-bit vectors not supported");
assert(src.swizzle[0] == 0 && "8-bit vectors not supported");
idx.swizzle = BI_SWIZZLE_B0000;
}
return idx;