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nir/lower_load_const_to_scalar: support doubles and multiple bit sizes 

v2 (Sam):
- Add assert to detect bitsizes differents than 32 and 64 (Jason).

Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Iago Toral Quiroga 2016-02-10 16:05:11 +01:00 committed by Samuel Iglesias Gonsálvez
parent 12f628adcb
commit 8e69782e3e
1 changed files with 6 additions and 2 deletions
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8
src/compiler/nir/nir_lower_load_const_to_scalar.c
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@ -49,8 +49,12 @@ lower_load_const_instr_scalar(nir_load_const_instr *lower)
nir_ssa_def *loads[4];
for (unsigned i = 0; i < lower->def.num_components; i++) {
nir_load_const_instr *load_comp =
nir_load_const_instr_create(b.shader, 1, 32);
load_comp->value.u32[0] = lower->value.u32[i];
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
load_comp->value.u32[0] = lower->value.u32[i];
assert(lower->def.bit_size == 64 || lower->def.bit_size == 32);
nir_builder_instr_insert(&b, &load_comp->instr);
loads[i] = &load_comp->def;
}