Update RingOpenGL - Add Function (Define) : void glAlphaFunc(GLenum func,GLclampf ref)
@@ -42,3 +42,4 @@ From this reference : https://www.khronos.org/registry/OpenGL-Refpages/gl2.1/
void glAccum(GLenum op,GLfloat value)
void glActiveTexture(GLenum texture)
+void glAlphaFunc(GLenum func,GLclampf ref)
