|  | /* | 
|  | *  Copyright 2015 The WebRTC project authors. All Rights Reserved. | 
|  | * | 
|  | *  Use of this source code is governed by a BSD-style license | 
|  | *  that can be found in the LICENSE file in the root of the source | 
|  | *  tree. An additional intellectual property rights grant can be found | 
|  | *  in the file PATENTS.  All contributing project authors may | 
|  | *  be found in the AUTHORS file in the root of the source tree. | 
|  | */ | 
|  |  | 
|  | package org.webrtc; | 
|  |  | 
|  | /** Simplest possible GL shader that just draws frames as opaque quads. */ | 
|  | public class GlRectDrawer extends GlGenericDrawer { | 
|  | private static final String FRAGMENT_SHADER = "void main() {\n" | 
|  | + "  gl_FragColor = sample(tc);\n" | 
|  | + "}\n"; | 
|  |  | 
|  | private static class ShaderCallbacks implements GlGenericDrawer.ShaderCallbacks { | 
|  | @Override | 
|  | public void onNewShader(GlShader shader) {} | 
|  |  | 
|  | @Override | 
|  | public void onPrepareShader(GlShader shader, float[] texMatrix, int frameWidth, int frameHeight, | 
|  | int viewportWidth, int viewportHeight) {} | 
|  | } | 
|  |  | 
|  | public GlRectDrawer() { | 
|  | super(FRAGMENT_SHADER, new ShaderCallbacks()); | 
|  | } | 
|  | } |