/*******************************************************************************
* Copyright 2011 See AUTHORS file.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package com.badlogic.gdx.tests.g3d.shadows.utils;
import com.badlogic.gdx.graphics.g3d.environment.BaseLight;
/** Shadow map allocator return texture region for each light
* @author realitix */
public interface ShadowMapAllocator {
/** Result of the allocator analyze */
public class ShadowMapRegion {
public int x, y, width, height;
}
/** Begin the texture allocation */
public void begin ();
/** End the texture allocation */
public void end ();
/** Find the next texture region for the current light
* @param light Current light
* @return ShadowMapRegion or null if no more space on texture */
public ShadowMapRegion nextResult (BaseLight light);
/** Return shadow map width.
* @return int */
public int getWidth ();
/** Return shadow map height.
* @return int */
public int getHeight ();
}