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aux/draw: vectorize aaline computations

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This makes it a bit more similar to the TGSI version, which makes
modifying them easier to review.

Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19899>
This commit is contained in:
Erik Faye-Lund 2022-11-21 13:53:04 +01:00 • committed by Marge Bot
parent 64e74b4277
commit 20964181c1
1 changed files with 3 additions and 5 deletions
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8
src/gallium/auxiliary/nir/nir_draw_helpers.c
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@ -174,12 +174,10 @@ nir_lower_aaline_block(nir_block *block,
nir_ssa_def *out_input = intrin->src[1].ssa;
b->cursor = nir_before_instr(instr);
nir_ssa_def *lw = nir_load_var(b, state->line_width_input);
nir_ssa_def *tmp = nir_fsat(b, nir_fadd(b, nir_channel(b, lw, 1),
nir_fneg(b, nir_fabs(b, nir_channel(b, lw, 0)))));
nir_ssa_def *tmp1 = nir_fsat(b, nir_fadd(b, nir_channel(b, lw, 3),
nir_fneg(b, nir_fabs(b, nir_channel(b, lw, 2)))));
nir_ssa_def *tmp = nir_fsat(b, nir_fadd(b, nir_channels(b, lw, 0xa),
nir_fneg(b, nir_fabs(b, nir_channels(b, lw, 0x5)))));
tmp = nir_fmul(b, tmp, tmp1);
tmp = nir_fmul(b, nir_channel(b, tmp, 0), nir_channel(b, tmp, 1));
tmp = nir_fmul(b, nir_channel(b, out_input, 3), tmp);
nir_ssa_def *out = nir_vec4(b, nir_channel(b, out_input, 0),