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intel/fs: Use shuffle_from_32bit_read at VS load_input

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shuffle_from_32bit_read manages 32-bit reads to 32-bit destination
in the same way that the previous loop so now we just call the new
function for all bitsizes, simplifying also the 64-bit load_input.

v2: Add comment about future 16-bit support (Jason Ekstrand)

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jose Maria Casanova Crespo 2018-06-09 11:46:04 +02:00
parent 152bffb69b
commit 5565630f85
1 changed files with 5 additions and 10 deletions
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15
src/intel/compiler/brw_fs_nir.cpp
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@ -2483,16 +2483,11 @@ fs_visitor::nir_emit_vs_intrinsic(const fs_builder &bld,
if (type_sz(dest.type) == 8)
first_component /= 2;
for (unsigned j = 0; j < num_components; j++) {
bld.MOV(offset(dest, bld, j), offset(src, bld, j + first_component));
}
if (type_sz(dest.type) == 8) {
shuffle_32bit_load_result_to_64bit_data(bld,
dest,
retype(dest, BRW_REGISTER_TYPE_F),
instr->num_components);
}
/* For 16-bit support maybe a temporary will be needed to copy from
* the ATTR file.
*/
shuffle_from_32bit_read(bld, dest, retype(src, BRW_REGISTER_TYPE_D),
first_component, num_components);
break;
}