content: /*
   * Copyright (C) 2012 CyberAgent
   *
   * 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 jp.co.cyberagent.android.gpuimage;
  
  import android.opengl.GLES20;
  
  public class GPUImageMixBlendFilter extends GPUImageTwoInputFilter {
  
      private int mMixLocation;
      private float mMix;
  
      public GPUImageMixBlendFilter(String fragmentShader) {
          this(fragmentShader, 0.5f);
      }
  
      public GPUImageMixBlendFilter(String fragmentShader, float mix) {
          super(fragmentShader);
          mMix = mix;
      }
  
      @Override
      public void onInit() {
          super.onInit();
          mMixLocation = GLES20.glGetUniformLocation(getProgram(), "mixturePercent");
      }
  
      @Override
      public void onInitialized() {
          super.onInitialized();
          setMix(mMix);
      }
  
      /**
       * @param mix ranges from 0.0 (only image 1) to 1.0 (only image 2), with 0.5 (half of either) as the normal level
       */
      public void setMix(final float mix) {
          mMix = mix;
          setFloat(mMixLocation, mMix);
      }
  }
  