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nir: lower_load_const_to_scalar fix for 8/16b types

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Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Rob Clark
2018-03-10 12:27:42 -05:00
parent 2aad12b2af
commit 4e4428482e
1 changed files with 15 additions and 4 deletions
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19
src/compiler/nir/nir_lower_load_const_to_scalar.c
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@@ -50,11 +50,22 @@ lower_load_const_instr_scalar(nir_load_const_instr *lower)
for (unsigned i = 0; i < lower->def.num_components; i++) {
nir_load_const_instr *load_comp =
nir_load_const_instr_create(b.shader, 1, lower->def.bit_size);
if (lower->def.bit_size == 64)
load_comp->value.f64[0] = lower->value.f64[i];
else
switch (lower->def.bit_size) {
case 64:
load_comp->value.u64[0] = lower->value.u64[i];
break;
case 32:
load_comp->value.u32[0] = lower->value.u32[i];
assert(lower->def.bit_size == 64 || lower->def.bit_size == 32);
break;
case 16:
load_comp->value.u16[0] = lower->value.u16[i];
break;
case 8:
load_comp->value.u8[0] = lower->value.u8[i];
break;
default:
assert(!"invalid bit size");
}
nir_builder_instr_insert(&b, &load_comp->instr);
loads[i] = &load_comp->def;
}