From 6e32115bd673221420fbdf1500c60dcda402622d Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Mon, 22 Oct 2018 14:08:44 -0500 Subject: [PATCH] nir/builder: Handle 16-bit floats in nir_imm_floatN_t Reviewed-by: Ian Romanick Reviewed-by: Eric Anholt --- src/compiler/nir/nir_builder.h | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h index 5ea0a5a2637..3271a480520 100644 --- a/src/compiler/nir/nir_builder.h +++ b/src/compiler/nir/nir_builder.h @@ -25,6 +25,7 @@ #define NIR_BUILDER_H #include "nir_control_flow.h" +#include "util/half_float.h" struct exec_list; @@ -228,6 +229,17 @@ nir_imm_false(nir_builder *build) return nir_imm_bool(build, false); } +static inline nir_ssa_def * +nir_imm_float16(nir_builder *build, float x) +{ + nir_const_value v; + + memset(&v, 0, sizeof(v)); + v.u16[0] = _mesa_float_to_half(x); + + return nir_build_imm(build, 1, 16, v); +} + static inline nir_ssa_def * nir_imm_float(nir_builder *build, float x) { @@ -254,6 +266,8 @@ static inline nir_ssa_def * nir_imm_floatN_t(nir_builder *build, double x, unsigned bit_size) { switch (bit_size) { + case 16: + return nir_imm_float16(build, x); case 32: return nir_imm_float(build, x); case 64: -- 2.30.2