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agx: Use split instead of extract for ldcf 

For more uniform handling in the RA. This gets rid of the extra moves
with flat shading.

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17198>
This commit is contained in:
Alyssa Rosenzweig 2022-08-07 11:56:22 -04:00
parent 744b4a0f7f
commit 638d7f542e
1 changed files with 3 additions and 2 deletions
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5
src/asahi/compiler/agx_compile.c
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@ -332,8 +332,9 @@ agx_emit_load_vary_flat(agx_builder *b, agx_index *dests, nir_intrinsic_instr *i
for (unsigned i = 0; i < components; ++i) {
/* vec3 for each vertex, unknown what first 2 channels are for */
agx_index values = agx_ldcf(b, cf, 1);
dests[i] = agx_p_extract(b, values, 2);
agx_index d[3] = { agx_null() };
agx_emit_split(b, d, agx_ldcf(b, cf, 1), 3);
dests[i] = d[2];
/* Each component accesses a sequential coefficient register */
cf.value++;