rsUtils.h revision 3bce7891a1b1729f76714db08cd3cd79b91d7942
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#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 44template<typename T> 45T rsMin(T in1, T in2) 46{ 47 if (in1 > in2) { 48 return in2; 49 } 50 return in1; 51} 52 53template<typename T> 54T rsMax(T in1, T in2) 55{ 56 if (in1 < in2) { 57 return in2; 58 } 59 return in1; 60} 61 62template<typename T> 63T rsFindHighBit(T val) 64{ 65 uint32_t bit = 0; 66 while(val > 1) { 67 bit++; 68 val>>=1; 69 } 70 return bit; 71} 72 73template<typename T> 74bool rsIsPow2(T val) 75{ 76 return (val & (val-1)) == 0; 77} 78 79template<typename T> 80T rsHigherPow2(T v) 81{ 82 if (rsIsPow2(v)) { 83 return v; 84 } 85 return 1 << (rsFindHighBit(v) + 1); 86} 87 88template<typename T> 89T rsLowerPow2(T v) 90{ 91 if (rsIsPow2(v)) { 92 return v; 93 } 94 return 1 << rsFindHighBit(v); 95} 96 97 98static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) 99{ 100 uint16_t t = 0; 101 t |= b >> 3; 102 t |= (g >> 2) << 5; 103 t |= (r >> 3) << 11; 104 return t; 105} 106 107static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) 108{ 109 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 110 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 111 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 112 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 113} 114 115static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) 116{ 117 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 118 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 119 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 120 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 121 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 122} 123 124 125 126} 127} 128 129#endif //ANDROID_RS_OBJECT_BASE_H 130 131 132