From 15757bc80b89aa47d3c68e2d785b1a94cf4e3a01 Mon Sep 17 00:00:00 2001 From: Matt Turner Date: Thu, 8 Nov 2018 22:12:16 -0800 Subject: [PATCH] glsl: Add "built-in" functions to convert bool to double And vice versa. Reviewed-by: Elie Tournier --- src/compiler/glsl/float64.glsl | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl index 7d12da50ac0..1808fec0727 100644 --- a/src/compiler/glsl/float64.glsl +++ b/src/compiler/glsl/float64.glsl @@ -951,6 +951,18 @@ __int_to_fp64(int a) return __packFloat64(zSign, 0x412 - shiftCount, zFrac0, zFrac1); } +bool +__fp64_to_bool(uint64_t a) +{ + return !__feq64_nonnan(__fabs64(a), 0ul); +} + +uint64_t +__bool_to_fp64(bool a) +{ + return __int_to_fp64(int(a)); +} + /* Packs the sign `zSign', exponent `zExp', and significand `zFrac' into a * single-precision floating-point value, returning the result. After being * shifted into the proper positions, the three fields are simply added -- 2.30.2