1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.graphics.g3d.utils; 18 19 import com.badlogic.gdx.Gdx; 20 import com.badlogic.gdx.graphics.g3d.Renderable; 21 import com.badlogic.gdx.graphics.g3d.Shader; 22 import com.badlogic.gdx.utils.Array; 23 24 public abstract class BaseShaderProvider implements ShaderProvider { 25 protected Array<Shader> shaders = new Array<Shader>(); 26 27 @Override getShader(Renderable renderable)28 public Shader getShader (Renderable renderable) { 29 Shader suggestedShader = renderable.shader; 30 if (suggestedShader != null && suggestedShader.canRender(renderable)) return suggestedShader; 31 for (Shader shader : shaders) { 32 if (shader.canRender(renderable)) return shader; 33 } 34 final Shader shader = createShader(renderable); 35 shader.init(); 36 shaders.add(shader); 37 return shader; 38 } 39 createShader(final Renderable renderable)40 protected abstract Shader createShader (final Renderable renderable); 41 42 @Override dispose()43 public void dispose () { 44 for (Shader shader : shaders) { 45 shader.dispose(); 46 } 47 shaders.clear(); 48 } 49 } 50