func GetTexImage(target uint32, level int32, format uint32, xtype uint32, pixels unsafe.Pointer) {
	C.glowGetTexImage(gpGetTexImage, (C.GLenum)(target), (C.GLint)(level), (C.GLenum)(format), (C.GLenum)(xtype), pixels)
}
func GetTexImage(target uint32, level int32, format uint32, xtype uint32, pixels unsafe.Pointer) {
	C.glowGetTexImage(gpGetTexImage, (C.GLenum)(target), (C.GLint)(level), (C.GLenum)(format), (C.GLenum)(xtype), pixels)
}
func GetTexImage ( target uint32 , level int32 , format uint32 , xtype uint32 , pixels unsafe . Pointer ) { C . glowGetTexImage ( gpGetTexImage , ( C . GLenum ) ( target ) , ( C . GLint ) ( level ) , ( C . GLenum ) ( format ) , ( C . GLenum ) ( xtype ) , pixels ) }
// return a texture image
return a texture image