com.threerings.opengl.renderer
Class Batch

java.lang.Object
  com.threerings.opengl.renderer.Batch

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

CompoundBatch, SimpleBatch

public abstract class Batch
extends Object
implements Cloneable

A geometry batch that can be queued for rendering.

Field Summary

float	depth The batch's eye space z coordinate (negative if in front of the viewer).
int[]	key A comparable representation of the batch's state.

Constructor Summary

Batch()

Method Summary

Batch	clone()
static int	compareKeys(int[] k1, int[] k2) Compares two packed state keys.
abstract boolean	draw(Renderer renderer) Draws this batch using the specified renderer.
int	getPrimitiveCount() Returns the number of primitives in this batch (optional; returns zero by default).

Methods inherited from class java.lang.Object

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

Field Detail

depth

public float depth

The batch's eye space z coordinate (negative if in front of the viewer).

key

public int[] key

A comparable representation of the batch's state.

Constructor Detail

Batch

public Batch()

Method Detail

compareKeys

public static int compareKeys(int[] k1,
                              int[] k2)

Compares two packed state keys.

draw

public abstract boolean draw(Renderer renderer)

Draws this batch using the specified renderer.

Returns:

true if the batch changed the color state, in which case it should be invalidated.

getPrimitiveCount

public int getPrimitiveCount()

Returns the number of primitives in this batch (optional; returns zero by default).

clone

public Batch clone()

Overrides:

clone in class Object