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-rw-r--r--src/mesa/shader/slang/library/slang_common_builtin.gc6
1 files changed, 3 insertions, 3 deletions
diff --git a/src/mesa/shader/slang/library/slang_common_builtin.gc b/src/mesa/shader/slang/library/slang_common_builtin.gc
index 3d464630df2..d75354deffe 100644
--- a/src/mesa/shader/slang/library/slang_common_builtin.gc
+++ b/src/mesa/shader/slang/library/slang_common_builtin.gc
@@ -1160,7 +1160,7 @@ float length(const vec2 v)
float r;
const float p = dot(v, v); // p = v.x * v.x + v.y * v.y
__asm float_rsq r, p; // r = 1 / sqrt(p)
- __asm float_rcp __retVal.x, r; // retVal = 1 / r
+ __retVal = p * r; // p * r = sqrt(p);
}
float length(const vec3 v)
@@ -1168,7 +1168,7 @@ float length(const vec3 v)
float r;
const float p = dot(v, v); // p = v.x * v.x + v.y * v.y + v.z * v.z
__asm float_rsq r, p; // r = 1 / sqrt(p)
- __asm float_rcp __retVal, r; // retVal = 1 / r
+ __retVal = p * r; // p * r = sqrt(p);
}
float length(const vec4 v)
@@ -1176,7 +1176,7 @@ float length(const vec4 v)
float r;
const float p = dot(v, v); // p = v.x * v.x + v.y * v.y + ...
__asm float_rsq r, p; // r = 1 / sqrt(p)
- __asm float_rcp __retVal, r; // retVal = 1 / r
+ __retVal = p * r; // p * r = sqrt(p);
}