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 #include "RenderScript.h" 38 39 namespace android { 40 namespace renderscript { 41 42 #if 1 43 #define rsAssert(v) do {if(!(v)) LOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 44 #else 45 #define rsAssert(v) while (0) 46 #endif 47 48 typedef float rsvF_2 __attribute__ ((vector_size (8))); 49 typedef float rsvF_4 __attribute__ ((vector_size (16))); 50 typedef uint8_t rsvU8_4 __attribute__ ((vector_size (4))); 51 52 union float2 { 53 rsvF_2 v; 54 float f[2]; 55 }; 56 57 union float4 { 58 rsvF_4 v; 59 float f[4]; 60 }; 61 62 union uchar4 { 63 rsvU8_4 v; 64 uint8_t f[4]; 65 uint32_t packed; 66 }; 67 68 template<typename T> 69 T rsMin(T in1, T in2) 70 { 71 if (in1 > in2) { 72 return in2; 73 } 74 return in1; 75 } 76 77 template<typename T> 78 T rsMax(T in1, T in2) { 79 if (in1 < in2) { 80 return in2; 81 } 82 return in1; 83 } 84 85 template<typename T> 86 T rsFindHighBit(T val) { 87 uint32_t bit = 0; 88 while (val > 1) { 89 bit++; 90 val>>=1; 91 } 92 return bit; 93 } 94 95 template<typename T> 96 bool rsIsPow2(T val) { 97 return (val & (val-1)) == 0; 98 } 99 100 template<typename T> 101 T rsHigherPow2(T v) { 102 if (rsIsPow2(v)) { 103 return v; 104 } 105 return 1 << (rsFindHighBit(v) + 1); 106 } 107 108 template<typename T> 109 T rsLowerPow2(T v) { 110 if (rsIsPow2(v)) { 111 return v; 112 } 113 return 1 << rsFindHighBit(v); 114 } 115 116 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 117 uint16_t t = 0; 118 t |= b >> 3; 119 t |= (g >> 2) << 5; 120 t |= (r >> 3) << 11; 121 return t; 122 } 123 124 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 125 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 126 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 127 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 128 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 129 } 130 131 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 132 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 133 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 134 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 135 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 136 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 137 } 138 139 } 140 } 141 142 #endif //ANDROID_RS_OBJECT_BASE_H 143 144 145
