WSGLPickNodeShader Class Reference

A shader implementation of a hardware picking shader. More...

#include <Rendering/OpenGL/Shaders/wsglpicknodeshader.h>

Public Member Functions
	WSGLPickNodeShader ()
	~WSGLPickNodeShader ()
bool	activate (WSGLRenderer &renderer)
bool	deactivate (WSGLRenderer &renderer)
bool	initialize ()
bool	modelSourceUpdateRequested () const
bool	renderModel (WSGLRenderer &renderer, WSGLRenderItem &renderItem)

Detailed Description

The WSGLPickNodeShader is a very simple shader that when bound, writes an identifier into the framebuffer for each node. When combined with depth buffering, this identifier can then be pulled out of the framebuffer to 'pick' what was selected.

Constructor & Destructor Documentation

WSGLPickNodeShader()

WSGLPickNodeShader

(

)

~WSGLPickNodeShader()

~WSGLPickNodeShader

(

)

Member Function Documentation

activate()

bool activate

(

WSGLRenderer &

renderer

)

deactivate()

bool deactivate

(

WSGLRenderer &

renderer

)

initialize()

bool initialize

(

)

Precondition

An OpenGL context must be bound.

modelSourceUpdateRequested()

bool modelSourceUpdateRequested

(

)

const

renderModel()

bool renderModel	(	WSGLRenderer &	renderer,
		WSGLRenderItem &	renderItem
	)