diff options
Diffstat (limited to 'source/blender/draw/intern/shaders/common_math_lib.glsl')
| -rw-r--r-- | source/blender/draw/intern/shaders/common_math_lib.glsl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/source/blender/draw/intern/shaders/common_math_lib.glsl b/source/blender/draw/intern/shaders/common_math_lib.glsl index 33deae0b0a1..479f9cd1827 100644 --- a/source/blender/draw/intern/shaders/common_math_lib.glsl +++ b/source/blender/draw/intern/shaders/common_math_lib.glsl @@ -86,6 +86,8 @@ float safe_rcp(float a) { return (a != 0.0) ? (1.0 / a) : 0.0; } vec2 safe_rcp(vec2 a) { return mix(vec2(0.0), (1.0 / a), notEqual(a, vec2(0.0))); } vec4 safe_rcp(vec4 a) { return mix(vec4(0.0), (1.0 / a), notEqual(a, vec4(0.0))); } +float safe_sqrt(float a) { return sqrt(max(a, 0.0)); } + float sqr(float a) { return a * a; } vec2 sqr(vec2 a) { return a * a; } vec3 sqr(vec3 a) { return a * a; } |