diff options
| -rw-r--r-- | src/compiler/glsl/float64.glsl | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/compiler/glsl/float64.glsl b/src/compiler/glsl/float64.glsl index 88ce0a74957..c54835fbf78 100644 --- a/src/compiler/glsl/float64.glsl +++ b/src/compiler/glsl/float64.glsl @@ -1385,6 +1385,19 @@ __ftrunc64(uint64_t __a) } uint64_t +__ffloor64(uint64_t a) +{ + bool is_positive = __fge64(a, 0ul); + uint64_t tr = __ftrunc64(a); + + if (is_positive || __feq64(tr, a)) { + return tr; + } else { + return __fadd64(tr, 0xbff0000000000000ul /* -1.0 */); + } +} + +uint64_t __fround64(uint64_t __a) { uvec2 a = unpackUint2x32(__a); |