1 /* 2 * Copyright (C) 2013 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 #include "rs_types.rsh" 18 19 #define S_CLAMP(T) \ 20 extern T __attribute__((overloadable)) clamp(T amount, T low, T high) { \ 21 return amount < low ? low : (amount > high ? high : amount); \ 22 } 23 24 //_CLAMP(float); implemented in .ll 25 S_CLAMP(double); 26 S_CLAMP(char); 27 S_CLAMP(uchar); 28 S_CLAMP(short); 29 S_CLAMP(ushort); 30 S_CLAMP(int); 31 S_CLAMP(uint); 32 S_CLAMP(long); 33 S_CLAMP(ulong); 34 35 #undef S_CLAMP 36 37 38 \ 39 #define V_CLAMP(T) \ 40 extern T##2 __attribute__((overloadable)) clamp(T##2 amount, T##2 low, T##2 high) { \ 41 T##2 r; \ 42 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 43 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 44 return r; \ 45 } \ 46 \ 47 extern T##3 __attribute__((overloadable)) clamp(T##3 amount, T##3 low, T##3 high) { \ 48 T##3 r; \ 49 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 50 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 51 r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); \ 52 return r; \ 53 } \ 54 \ 55 extern T##4 __attribute__((overloadable)) clamp(T##4 amount, T##4 low, T##4 high) { \ 56 T##4 r; \ 57 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 58 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 59 r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); \ 60 r.w = amount.w < low.w ? low.w : (amount.w > high.w ? high.w : amount.w); \ 61 return r; \ 62 } \ 63 \ 64 extern T##2 __attribute__((overloadable)) clamp(T##2 amount, T low, T high) { \ 65 T##2 r; \ 66 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 67 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 68 return r; \ 69 } \ 70 \ 71 extern T##3 __attribute__((overloadable)) clamp(T##3 amount, T low, T high) { \ 72 T##3 r; \ 73 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 74 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 75 r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); \ 76 return r; \ 77 } \ 78 \ 79 extern T##4 __attribute__((overloadable)) clamp(T##4 amount, T low, T high) { \ 80 T##4 r; \ 81 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 82 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 83 r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); \ 84 r.w = amount.w < low ? low : (amount.w > high ? high : amount.w); \ 85 return r; \ 86 } 87 88 //V_CLAMP(float); implemented in .ll 89 V_CLAMP(double); 90 V_CLAMP(char); 91 V_CLAMP(uchar); 92 V_CLAMP(short); 93 V_CLAMP(ushort); 94 #ifndef ARCH_ARM_HAVE_NEON 95 V_CLAMP(int); //implemented in .ll 96 V_CLAMP(uint); //implemented in .ll 97 #endif 98 V_CLAMP(long); 99 V_CLAMP(ulong); 100 101 #undef _CLAMP 102 103