1 /* 2 * Copyright (C) 2016 The Android Open Source Project 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 #pragma version(1) 18 #pragma rs java_package_name(com.android.rs.cppbranchingfuncalls) 19 20 static bool is_neg(int a) 21 { 22 if(a < 0) 23 return true; 24 else 25 return false; 26 } 27 28 static bool is_pos(int a) 29 { 30 if(a > 0) 31 return true; 32 else 33 return false; 34 } 35 36 static void set_i(int * a, int b) 37 { 38 int tmp = b; 39 *a = tmp; 40 } 41 42 static void modify_f(float * f) 43 { 44 *f *= 0.5f; 45 } 46 47 static void modify_i(int * i) 48 { 49 int j = *i; 50 int cutoff = 2 << 6; 51 if(j > cutoff) 52 j = cutoff; 53 if(is_neg(j)) 54 set_i(i, 0); 55 else if(is_pos(j)) 56 set_i(i, j); 57 else 58 set_i(i, cutoff); 59 } 60 61 int __attribute__((kernel)) simple_kernel(int in) 62 { 63 int i = in; 64 float f = (float) i; 65 modify_f(&f); 66 modify_i(&i); 67 int ret = (int) f; 68 return in * ret; 69 } 70 71 int glob = 123; 72 73 void addToGlobal(int arg) 74 { 75 glob += arg; 76 } 77
