Package org.oscim.renderer

Class LayerRenderer

java.lang.Object

org.oscim.renderer.LayerRenderer

Direct Known Subclasses:

BucketRenderer, ExtrusionRenderer, LocationRenderer, OffscreenRenderer, ShadowRenderer, TileRenderer

public abstract class LayerRenderer
extends Object

Constructor Summary

Constructors

Constructor	Description
LayerRenderer()

Method Summary

Modifier and Type	Method	Description
boolean	isReady()
abstract void	render(GLViewport viewport)	2.
protected void	setReady(boolean ready)	Set 'ready for render' state when layer data is ready for rendering.
boolean	setup()	0.
abstract void	update(GLViewport viewport)	1.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

LayerRenderer

public LayerRenderer()

Method Details

setReady

protected void setReady(boolean ready)

Set 'ready for render' state when layer data is ready for rendering.

Parameters:

ready - true if render() should be called, false otherwise.

isReady

public boolean isReady()

setup

public boolean setup()

0. Called on GL Thread before first update().

update

public abstract void update(GLViewport viewport)

1. Called first by MapRenderer: Update the state here, compile vertex-data and set setReady(true).

Parameters:

position - current MapPosition

changed - true when MapPosition has changed since last frame

matrices - contains the current view- and projection-matrices and 'mvp' matrix for temporary use.

render

public abstract void render(GLViewport viewport)

2. Draw layer: called by MapRenderer when isReady == true.

Parameters:

position - current MapPosition

matrices - contains the current view- and projection-matrices. 'matrices.mvp' is for temporary use to build the model- view-projection to set as uniform.