1*b7c941bbSAndroid Build Coastguard Worker/* 2*b7c941bbSAndroid Build Coastguard Worker * Copyright (C) 2013 The Android Open Source Project 3*b7c941bbSAndroid Build Coastguard Worker * 4*b7c941bbSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 5*b7c941bbSAndroid Build Coastguard Worker * in compliance with the License. You may obtain a copy of the License at 6*b7c941bbSAndroid Build Coastguard Worker * 7*b7c941bbSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 8*b7c941bbSAndroid Build Coastguard Worker * 9*b7c941bbSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software distributed under the License 10*b7c941bbSAndroid Build Coastguard Worker * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 11*b7c941bbSAndroid Build Coastguard Worker * or implied. See the License for the specific language governing permissions and limitations under 12*b7c941bbSAndroid Build Coastguard Worker * the License. 13*b7c941bbSAndroid Build Coastguard Worker */ 14*b7c941bbSAndroid Build Coastguard Workerprecision mediump float; 15*b7c941bbSAndroid Build Coastguard Workeruniform sampler2D u_Texture; 16*b7c941bbSAndroid Build Coastguard Workeruniform vec2 u_Scale; 17*b7c941bbSAndroid Build Coastguard Workervarying vec2 v_TexCoordinate; 18*b7c941bbSAndroid Build Coastguard Workervoid main() { 19*b7c941bbSAndroid Build Coastguard Worker float weights[11]; 20*b7c941bbSAndroid Build Coastguard Worker weights[0] = 0.047748641153356156; 21*b7c941bbSAndroid Build Coastguard Worker weights[1] = 0.05979670798364139; 22*b7c941bbSAndroid Build Coastguard Worker weights[2] = 0.07123260215138659; 23*b7c941bbSAndroid Build Coastguard Worker weights[3] = 0.08071711293576822; 24*b7c941bbSAndroid Build Coastguard Worker weights[4] = 0.08700369673862933; 25*b7c941bbSAndroid Build Coastguard Worker weights[5] = 0.08920620580763855; 26*b7c941bbSAndroid Build Coastguard Worker weights[6] = 0.08700369673862933; 27*b7c941bbSAndroid Build Coastguard Worker weights[7] = 0.08071711293576822; 28*b7c941bbSAndroid Build Coastguard Worker weights[8] = 0.07123260215138659; 29*b7c941bbSAndroid Build Coastguard Worker weights[9] = 0.05979670798364139; 30*b7c941bbSAndroid Build Coastguard Worker weights[10] = 0.047748641153356156; 31*b7c941bbSAndroid Build Coastguard Worker vec4 color = vec4(0.0, 0.0, 0.0, 0.0); 32*b7c941bbSAndroid Build Coastguard Worker for (int i = 0; i < 11; i++) { 33*b7c941bbSAndroid Build Coastguard Worker vec2 coords = v_TexCoordinate.xy + ((float(i) - 5.0) * u_Scale); 34*b7c941bbSAndroid Build Coastguard Worker color += texture2D(u_Texture, coords) * weights[i]; 35*b7c941bbSAndroid Build Coastguard Worker } 36*b7c941bbSAndroid Build Coastguard Worker gl_FragColor = color; 37*b7c941bbSAndroid Build Coastguard Worker}