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intel/fs: Use shuffle_from_32bit_read to read 16-bit SSBO

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Using shuffle_from_32bit_read instead of 16-bit shuffle functions
avoids the need of retype. At the same time new function are
ready for 8-bit type SSBO reads.

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Jose Maria Casanova Crespo 2018-06-09 11:45:47 +02:00
parent a0891eabca
commit 20e4732f7d
1 changed files with 2 additions and 4 deletions
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6
src/intel/compiler/brw_fs_nir.cpp
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@ -2372,10 +2372,8 @@ do_untyped_vector_read(const fs_builder &bld,
1 /* dims */,
num_components_32bit,
BRW_PREDICATE_NONE);
shuffle_32bit_load_result_to_16bit_data(bld,
retype(dest, BRW_REGISTER_TYPE_W),
retype(read_result, BRW_REGISTER_TYPE_D),
first_component, num_components);
shuffle_from_32bit_read(bld, dest, read_result, first_component,
num_components);
} else {
fs_reg read_offset = bld.vgrf(BRW_REGISTER_TYPE_UD);
for (unsigned i = 0; i < num_components; i++) {