diff options
Diffstat (limited to 'src/compiler/nir/nir.c')
-rw-r--r-- | src/compiler/nir/nir.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/compiler/nir/nir.c b/src/compiler/nir/nir.c index 5b75585498e..5c1e0e8a3b3 100644 --- a/src/compiler/nir/nir.c +++ b/src/compiler/nir/nir.c @@ -1204,6 +1204,41 @@ nir_foreach_src(nir_instr *instr, nir_foreach_src_cb cb, void *state) return nir_foreach_dest(instr, visit_dest_indirect, &dest_state); } +nir_const_value +nir_const_value_for_float(double f, unsigned bit_size) +{ + nir_const_value v; + memset(&v, 0, sizeof(v)); + + switch (bit_size) { + case 16: + v.u16 = _mesa_float_to_half(f); + break; + case 32: + v.f32 = f; + break; + case 64: + v.f64 = f; + break; + default: + unreachable("Invalid bit size"); + } + + return v; +} + +double +nir_const_value_as_float(nir_const_value value, unsigned bit_size) +{ + switch (bit_size) { + case 16: return _mesa_half_to_float(value.u16); + case 32: return value.f32; + case 64: return value.f64; + default: + unreachable("Invalid bit size"); + } +} + int64_t nir_src_comp_as_int(nir_src src, unsigned comp) { |