vispy.visuals.shaders.expression module#

class vispy.visuals.shaders.expression.Expression#

Base class for expressions (ShaderObjects that do not have a definition nor dependencies)

definition(names, version)#: Return the GLSL definition for this object. Use obj_names to determine the names of dependencies, and version (number, qualifier) to adjust code output.

class vispy.visuals.shaders.expression.FunctionCall(function, args)#

Representation of a call to a function

Essentially this is container for a Function along with its signature.

expression(names)#: Return the GLSL expression used to reference this object inline.

class vispy.visuals.shaders.expression.TextExpression(text)#

Plain GLSL text to insert inline

expression(names=None)#: Return the GLSL expression used to reference this object inline.