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.glutils; 18 19 import com.badlogic.gdx.Application.ApplicationType; 20 import com.badlogic.gdx.Gdx; 21 import com.badlogic.gdx.graphics.Texture; 22 import com.badlogic.gdx.graphics.Texture.TextureFilter; 23 import com.badlogic.gdx.graphics.Texture.TextureWrap; 24 import com.badlogic.gdx.utils.GdxRuntimeException; 25 26 /** This is a {@link FrameBuffer} variant backed by a float texture. */ 27 public class FloatFrameBuffer extends FrameBuffer { 28 29 /** Creates a new FrameBuffer with a float backing texture, having the given dimensions and potentially a depth buffer attached. 30 * 31 * @param width the width of the framebuffer in pixels 32 * @param height the height of the framebuffer in pixels 33 * @param hasDepth whether to attach a depth buffer 34 * @throws GdxRuntimeException in case the FrameBuffer could not be created */ 35 public FloatFrameBuffer (int width, int height, boolean hasDepth) { 36 super(null, width, height, hasDepth); 37 } 38 39 @Override 40 protected Texture createColorTexture () { 41 FloatTextureData data = new FloatTextureData(width, height); 42 Texture result = new Texture(data); 43 if (Gdx.app.getType() == ApplicationType.Desktop || Gdx.app.getType() == ApplicationType.Applet) 44 result.setFilter(TextureFilter.Linear, TextureFilter.Linear); 45 else 46 // no filtering for float textures in OpenGL ES 47 result.setFilter(TextureFilter.Nearest, TextureFilter.Nearest); 48 result.setWrap(TextureWrap.ClampToEdge, TextureWrap.ClampToEdge); 49 return result; 50 } 51 52 @Override 53 protected void disposeColorTexture (Texture colorTexture) { 54 colorTexture.dispose(); 55 } 56 } 57
