From: Matt Turner <mattst88@gmail.com>
Date: Fri, 9 Nov 2018 06:05:56 +0000 (-0800)
Subject: glsl: Add "built-in" functions to do ffract(fp64)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=e213f3871fb1e9839715e517d5a003d4982690c6;p=mesa.git

glsl: Add "built-in" functions to do ffract(fp64)

Reviewed-by: Elie Tournier <tournier.elie@gmail.com>
---

diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl
index c54835fbf78..7d12da50ac0 100644
--- a/src/compiler/glsl/float64.glsl
+++ b/src/compiler/glsl/float64.glsl
@@ -1458,3 +1458,9 @@ __fmax64(uint64_t a, uint64_t b)
    if (__flt64_nonnan(a, b)) return b;
    return a;
 }
+
+uint64_t
+__ffract64(uint64_t a)
+{
+   return __fadd64(a, __fneg64(__ffloor64(a)));
+}