Template:Glapi texture comparison funcs

Texture Comparison Function	Computed result
GL_LEQUAL	$ result={\begin{cases}1.0,&r\leq D_{t}\\0.0,&r>D_{t}\end{cases}} $
GL_GEQUAL	$ result={\begin{cases}1.0,&r\geq D_{t}\\0.0,&r<D_{t}\end{cases}} $
GL_LESS	$ result={\begin{cases}1.0,&r<D_{t}\\0.0,&r\geq D_{t}\end{cases}} $
GL_GREATER	$ result={\begin{cases}1.0,&r>D_{t}\\0.0,&r\leq D_{t}\end{cases}} $
GL_EQUAL	$ result={\begin{cases}1.0,&r=D_{t}\\0.0,&r\neq D_{t}\end{cases}} $
GL_NOTEQUAL	$ result={\begin{cases}1.0,&r\neq D_{t}\\0.0,&r=D_{t}\end{cases}} $
GL_ALWAYS	$ result=1.0 $
GL_NEVER	$ result=0.0 $