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	$result=0.0$