Android Open Source - geoar-app Billiger Color Shader

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License

The source code is released under:

Apache License

Java Source Code

/**
 * Copyright 2012 52North Initiative for Geospatial Open Source Software GmbH
 *//w w  w . j ava2s . c om
 * 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 org.n52.geoar.view.geoar.gl.mode;

public class BilligerColorShader extends FeatureShader {

  //@formatter:off
  private static final String vertexShader = "" +
      "uniform mat4 "+ UNIFORM_MATRIX_MVP +";        \n" + 
      "attribute vec4 "+ ATTRIBUTE_POSITION +";       \n" + 
      "attribute vec4 "+ ATTRIBUTE_COLOR +";          \n" + 
      
      "varying vec4 vColor;                    \n" + 
      
      "void main()                            \n" + 
      "{                                      \n"  + 
      
      /** pass the color directly to the fragment shader */
      "   vColor = "+ ATTRIBUTE_COLOR +";            \n" +
      
      /** compute and set the vertex position */
      "   gl_Position = "+ UNIFORM_MATRIX_MVP +"     \n" + 
      "               * "+ ATTRIBUTE_POSITION +";     \n" +
      
      "}                              \n"; 

  private static final String fragmentShader = 
      "precision mediump float;           \n" + 
      "varying vec4 vColor;               \n" + 
          
      "void main()                        \n" + 
      "{                                  \n" + 
      
      /** set the pixel color */
      "  gl_FragColor = vColor;            \n" + 
      "}                                  \n";
  //@formatter:on
  
  private static FeatureShader instance;

  /** not used */
  private BilligerColorShader() {
    super(vertexShader, fragmentShader);
  }

  public static FeatureShader getInstance() {
    if (instance == null) {
      instance = new FeatureShader(vertexShader, fragmentShader);
    }
    return instance;
  }

}

Java Source Code List

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