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Diffstat (limited to 'src/compiler/glsl/float64.glsl')
| -rw-r--r-- | src/compiler/glsl/float64.glsl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl index 415dde3907c..babfad20e9c 100644 --- a/src/compiler/glsl/float64.glsl +++ b/src/compiler/glsl/float64.glsl @@ -218,6 +218,18 @@ __fge64(uint64_t a, uint64_t b) return !__flt64_nonnan(a, b); } +uint64_t +__fsat64(uint64_t __a) +{ + if (__flt64(__a, 0ul)) + return 0ul; + + if (__fge64(__a, 0x3FF0000000000000ul /* 1.0 */)) + return 0x3FF0000000000000ul; + + return __a; +} + /* Adds the 64-bit value formed by concatenating `a0' and `a1' to the 64-bit * value formed by concatenating `b0' and `b1'. Addition is modulo 2^64, so * any carry out is lost. The result is broken into two 32-bit pieces which |