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Diffstat (limited to 'src/compiler/glsl/float64.glsl')
| -rw-r--r-- | src/compiler/glsl/float64.glsl | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl index 2cf85bbcafc..5f2804a8a34 100644 --- a/src/compiler/glsl/float64.glsl +++ b/src/compiler/glsl/float64.glsl @@ -159,3 +159,10 @@ __fne64(uint64_t a, uint64_t b) return !__feq64_nonnan(a, b); } + +/* Returns the sign bit of the double-precision floating-point value `a'.*/ +uint +__extractFloat64Sign(uint64_t a) +{ + return unpackUint2x32(a).y >> 31; +} |