Java tutorial
/* * The MIT License * * Copyright 2015 Richard Coan. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package main.java.com.YeAJG.game.gfx; import java.io.IOException; import java.util.HashMap; import java.util.Map; import main.java.com.YeAJG.game.Base; import main.java.com.YeAJG.game.io.FileIOHandler; import org.lwjgl.opengl.GL20; /** * * @author Richard Coan */ public class ShaderHandler extends Base { protected static Map<String, Integer> Shaders = new HashMap(); protected static Map<String, Integer> Fragments = new HashMap(); public static int loadShader(String path) { int id = 0; if (Shaders.containsKey(path)) return getShader(path); try { id = FileIOHandler.loadShader(path, GL20.GL_VERTEX_SHADER); Shaders.put(path, id); } catch (IOException ex) { logger.error(ex.getMessage()); } return id; } public static int loadFrag(String path) { int id = 0; if (Fragments.containsKey(path)) return getFragment(path); try { id = FileIOHandler.loadShader(path, GL20.GL_FRAGMENT_SHADER); Fragments.put(path, id); } catch (IOException ex) { logger.error(ex.getMessage()); } return id; } public static int getShader(String path) { return Shaders.get(path); } public static int getFragment(String path) { return Fragments.get(path); } }