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_core.rsh" 18 19 typedef unsigned long long ull; 20 typedef unsigned long long ull2 __attribute__((ext_vector_type(2))); 21 typedef unsigned long long ull3 __attribute__((ext_vector_type(3))); 22 typedef unsigned long long ull4 __attribute__((ext_vector_type(4))); 23 24 #define S_CLAMP(T) \ 25 extern T __attribute__((overloadable)) clamp(T amount, T low, T high) { \ 26 return amount < low ? low : (amount > high ? high : amount); \ 27 } 28 29 S_CLAMP(half); 30 //_CLAMP(float); implemented in .ll 31 S_CLAMP(double); 32 S_CLAMP(char); 33 S_CLAMP(uchar); 34 S_CLAMP(short); 35 S_CLAMP(ushort); 36 S_CLAMP(int); 37 S_CLAMP(uint); 38 S_CLAMP(long); 39 S_CLAMP(ulong); 40 41 #undef S_CLAMP 42 43 44 \ 45 #define V_CLAMP(T) \ 46 extern T##2 __attribute__((overloadable)) clamp(T##2 amount, T##2 low, T##2 high) { \ 47 T##2 r; \ 48 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 49 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 50 return r; \ 51 } \ 52 \ 53 extern T##3 __attribute__((overloadable)) clamp(T##3 amount, T##3 low, T##3 high) { \ 54 T##3 r; \ 55 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 56 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 57 r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); \ 58 return r; \ 59 } \ 60 \ 61 extern T##4 __attribute__((overloadable)) clamp(T##4 amount, T##4 low, T##4 high) { \ 62 T##4 r; \ 63 r.x = amount.x < low.x ? low.x : (amount.x > high.x ? high.x : amount.x); \ 64 r.y = amount.y < low.y ? low.y : (amount.y > high.y ? high.y : amount.y); \ 65 r.z = amount.z < low.z ? low.z : (amount.z > high.z ? high.z : amount.z); \ 66 r.w = amount.w < low.w ? low.w : (amount.w > high.w ? high.w : amount.w); \ 67 return r; \ 68 } \ 69 \ 70 extern T##2 __attribute__((overloadable)) clamp(T##2 amount, T low, T high) { \ 71 T##2 r; \ 72 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 73 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 74 return r; \ 75 } \ 76 \ 77 extern T##3 __attribute__((overloadable)) clamp(T##3 amount, T low, T high) { \ 78 T##3 r; \ 79 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 80 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 81 r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); \ 82 return r; \ 83 } \ 84 \ 85 extern T##4 __attribute__((overloadable)) clamp(T##4 amount, T low, T high) { \ 86 T##4 r; \ 87 r.x = amount.x < low ? low : (amount.x > high ? high : amount.x); \ 88 r.y = amount.y < low ? low : (amount.y > high ? high : amount.y); \ 89 r.z = amount.z < low ? low : (amount.z > high ? high : amount.z); \ 90 r.w = amount.w < low ? low : (amount.w > high ? high : amount.w); \ 91 return r; \ 92 } 93 94 V_CLAMP(half); 95 //V_CLAMP(float); implemented in .ll 96 V_CLAMP(double); 97 V_CLAMP(char); 98 V_CLAMP(uchar); 99 V_CLAMP(short); 100 V_CLAMP(ushort); 101 #if !defined(ARCH_ARM_HAVE_NEON) && !defined (ARCH_ARM64_HAVE_NEON) 102 V_CLAMP(int); //implemented in .ll 103 V_CLAMP(uint); //implemented in .ll 104 #endif 105 106 V_CLAMP(long); 107 V_CLAMP(ulong); 108 V_CLAMP(ull); 109 110 #undef _CLAMP 111
