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-rw-r--r--src/compiler/glsl/int64.glsl18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/compiler/glsl/int64.glsl b/src/compiler/glsl/int64.glsl
index 84e80ee349b..b1036e379c9 100644
--- a/src/compiler/glsl/int64.glsl
+++ b/src/compiler/glsl/int64.glsl
@@ -101,3 +101,21 @@ idiv64(ivec2 _n, ivec2 _d)
return negate ? unpackInt2x32(-int64_t(packUint2x32(quot))) : ivec2(quot);
}
+
+uvec2
+umod64(uvec2 n, uvec2 d)
+{
+ return udivmod64(n, d).zw;
+}
+
+ivec2
+imod64(ivec2 _n, ivec2 _d)
+{
+ const bool negate = (_n.y < 0) != (_d.y < 0);
+ uvec2 n = unpackUint2x32(uint64_t(abs(packInt2x32(_n))));
+ uvec2 d = unpackUint2x32(uint64_t(abs(packInt2x32(_d))));
+
+ uvec2 rem = udivmod64(n, d).zy;
+
+ return negate ? unpackInt2x32(-int64_t(packUint2x32(rem))) : ivec2(rem);
+}