rsUtils.h revision 8b2c065dfc16c148e2829a19e83d2269b9bcd4cc
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 "rs" 22#include <utils/Log.h> 23#include <utils/Vector.h> 24#include <utils/KeyedVector.h> 25#include <utils/String8.h> 26#include <stdlib.h> 27#include <pthread.h> 28#include <time.h> 29 30#include <EGL/egl.h> 31#include <math.h> 32 33#include "RenderScript.h" 34 35namespace android { 36namespace renderscript { 37 38#if 1 39#define rsAssert(v) do {if(!(v)) LOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while(0) 40#else 41#define rsAssert(v) while(0) 42#endif 43 44#define RS_LOG_TIMES 0 45 46template<typename T> 47T rsMin(T in1, T in2) 48{ 49 if (in1 > in2) { 50 return in2; 51 } 52 return in1; 53} 54 55template<typename T> 56T rsMax(T in1, T in2) 57{ 58 if (in1 < in2) { 59 return in2; 60 } 61 return in1; 62} 63 64template<typename T> 65T rsFindHighBit(T val) 66{ 67 uint32_t bit = 0; 68 while(val > 1) { 69 bit++; 70 val>>=1; 71 } 72 return bit; 73} 74 75template<typename T> 76bool rsIsPow2(T val) 77{ 78 return (val & (val-1)) == 0; 79} 80 81template<typename T> 82T rsHigherPow2(T v) 83{ 84 if (rsIsPow2(v)) { 85 return v; 86 } 87 return 1 << (rsFindHighBit(v) + 1); 88} 89 90template<typename T> 91T rsLowerPow2(T v) 92{ 93 if (rsIsPow2(v)) { 94 return v; 95 } 96 return 1 << rsFindHighBit(v); 97} 98 99 100static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) 101{ 102 uint16_t t = 0; 103 t |= b >> 3; 104 t |= (g >> 2) << 5; 105 t |= (r >> 3) << 11; 106 return t; 107} 108 109static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) 110{ 111 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 112 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 113 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 114 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 115} 116 117static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) 118{ 119 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 120 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 121 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 122 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 123 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 124} 125 126 127 128} 129} 130 131#endif //ANDROID_RS_OBJECT_BASE_H 132 133 134