Put the PI constant in builtins

[libs/gl.git] / shaderlib / cooktorrance.glsl

diff --git a/shaderlib/cooktorrance.glsl b/shaderlib/cooktorrance.glsl
index 71f8ec76c8df64046cd3a2a70e46742b5f23aa87..4b0c4dc814ca5b16e903d7003f1371b96b3c6503 100644 (file)
--- a/shaderlib/cooktorrance.glsl
+++ b/shaderlib/cooktorrance.glsl
@@ -30,8 +30,6 @@ layout(constant_id=auto) const bool use_emission = false;
 layout(constant_id=auto) const bool use_emission_map = false;
 layout(constant_id=auto) const bool use_image_based_lighting = false;
 
-const float PI = 3.1415926535;
-
 #pragma MSP stage(fragment)
 virtual vec4 get_base_color()
 {