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pan/bi: Emit a combine even if we only pass one staging reg to TEXC

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We need that to account for potential swizzling on the source reg.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7615>
This commit is contained in:
Boris Brezillon 2020-11-17 21:48:27 +01:00 • committed by Marge Bot
parent b9121624fc
commit bbd3a8eadd
1 changed files with 1 additions and 4 deletions
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5
src/panfrost/bifrost/bifrost_compile.c
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@ -2074,16 +2074,13 @@ emit_texc(bi_context *ctx, nir_tex_instr *instr)
}
}
if (dreg_index > 1) {
if (dreg_index >= 1) {
/* Pass combined data registers together */
tex.src[0] = combine.dest;
bi_emit(ctx, combine);
for (unsigned i = 0; i < dreg_index; ++i)
tex.swizzle[0][i] = i;
} else if (dreg_index == 1) {
tex.src[0] = combine.src[0];
tex.swizzle[0][0] = combine.swizzle[0][0];
} else {
tex.src[0] = tex.dest;
}