1 /* 2 * Copyright (C) 2009 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 #ifndef ANDROID_RS_UTILS_H 18 #define ANDROID_RS_UTILS_H 19 20 #define LOG_NDEBUG 0 21 #define LOG_TAG "RenderScript" 22 23 #include <utils/Log.h> 24 25 #include "rsStream.h" 26 27 #include <utils/String8.h> 28 #include <utils/Vector.h> 29 30 #include <stdlib.h> 31 #include <pthread.h> 32 #include <time.h> 33 #include <cutils/atomic.h> 34 35 #include <math.h> 36 37 namespace android { 38 namespace renderscript { 39 40 #if 1 41 #define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 42 #else 43 #define rsAssert(v) while (0) 44 #endif 45 46 typedef float rsvF_2 __attribute__ ((vector_size (8))); 47 typedef float rsvF_4 __attribute__ ((vector_size (16))); 48 typedef uint8_t rsvU8_4 __attribute__ ((vector_size (4))); 49 50 union float2 { 51 rsvF_2 v; 52 float f[2]; 53 }; 54 55 union float4 { 56 rsvF_4 v; 57 float f[4]; 58 }; 59 60 union uchar4 { 61 rsvU8_4 v; 62 uint8_t f[4]; 63 uint32_t packed; 64 }; 65 66 template<typename T> 67 T rsMin(T in1, T in2) 68 { 69 if (in1 > in2) { 70 return in2; 71 } 72 return in1; 73 } 74 75 template<typename T> 76 T rsMax(T in1, T in2) { 77 if (in1 < in2) { 78 return in2; 79 } 80 return in1; 81 } 82 83 template<typename T> 84 T rsFindHighBit(T val) { 85 uint32_t bit = 0; 86 while (val > 1) { 87 bit++; 88 val>>=1; 89 } 90 return bit; 91 } 92 93 template<typename T> 94 bool rsIsPow2(T val) { 95 return (val & (val-1)) == 0; 96 } 97 98 template<typename T> 99 T rsHigherPow2(T v) { 100 if (rsIsPow2(v)) { 101 return v; 102 } 103 return 1 << (rsFindHighBit(v) + 1); 104 } 105 106 template<typename T> 107 T rsLowerPow2(T v) { 108 if (rsIsPow2(v)) { 109 return v; 110 } 111 return 1 << rsFindHighBit(v); 112 } 113 114 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 115 uint16_t t = 0; 116 t |= b >> 3; 117 t |= (g >> 2) << 5; 118 t |= (r >> 3) << 11; 119 return t; 120 } 121 122 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 123 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 124 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 125 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 126 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 127 } 128 129 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 130 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 131 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 132 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 133 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 134 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 135 } 136 137 } 138 } 139 140 #endif //ANDROID_RS_OBJECT_BASE_H 141 142 143