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Diffstat (limited to 'source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl')
-rw-r--r--source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl6
1 files changed, 3 insertions, 3 deletions
diff --git a/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl b/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl
index c8eaa06094e..05496ad4ab0 100644
--- a/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl
+++ b/source/blender/draw/engines/eevee/shaders/bsdf_common_lib.glsl
@@ -164,8 +164,8 @@ vec3 ensure_valid_reflection(vec3 Ng, vec3 I, vec3 N)
vec2 N_new;
if (valid1 && valid2) {
/* If both are possible, do the expensive reflection-based check. */
- vec2 N1 = vec2(sqrt(1.0 - N1_z2), sqrt(N1_z2));
- vec2 N2 = vec2(sqrt(1.0 - N2_z2), sqrt(N2_z2));
+ vec2 N1 = vec2(safe_sqrt(1.0 - N1_z2), safe_sqrt(N1_z2));
+ vec2 N2 = vec2(safe_sqrt(1.0 - N2_z2), safe_sqrt(N2_z2));
float R1 = 2.0 * (N1.x * Ix + N1.y * Iz) * N1.y - Iz;
float R2 = 2.0 * (N2.x * Ix + N2.y * Iz) * N2.y - Iz;
@@ -181,7 +181,7 @@ vec3 ensure_valid_reflection(vec3 Ng, vec3 I, vec3 N)
}
else if (valid1 || valid2) {
float Nz2 = valid1 ? N1_z2 : N2_z2;
- N_new = vec2(sqrt(1.0 - Nz2), sqrt(Nz2));
+ N_new = vec2(safe_sqrt(1.0 - Nz2), safe_sqrt(Nz2));
}
else {
return Ng;