rsUtils.h revision af12ac6a08651464f8d823add667c706f993b587
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 39namespace android { 40namespace renderscript { 41 42#if 1 43#define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 44#else 45#define rsAssert(v) while (0) 46#endif 47 48typedef float rsvF_2 __attribute__ ((vector_size (8))); 49typedef float rsvF_4 __attribute__ ((vector_size (16))); 50typedef uint8_t rsvU8_4 __attribute__ ((vector_size (4))); 51 52union float2 { 53 rsvF_2 v; 54 float f[2]; 55}; 56 57union float4 { 58 rsvF_4 v; 59 float f[4]; 60}; 61 62union uchar4 { 63 rsvU8_4 v; 64 uint8_t f[4]; 65 uint32_t packed; 66}; 67 68template<typename T> 69T rsMin(T in1, T in2) 70{ 71 if (in1 > in2) { 72 return in2; 73 } 74 return in1; 75} 76 77template<typename T> 78T rsMax(T in1, T in2) { 79 if (in1 < in2) { 80 return in2; 81 } 82 return in1; 83} 84 85template<typename T> 86T rsFindHighBit(T val) { 87 uint32_t bit = 0; 88 while (val > 1) { 89 bit++; 90 val>>=1; 91 } 92 return bit; 93} 94 95template<typename T> 96bool rsIsPow2(T val) { 97 return (val & (val-1)) == 0; 98} 99 100template<typename T> 101T rsHigherPow2(T v) { 102 if (rsIsPow2(v)) { 103 return v; 104 } 105 return 1 << (rsFindHighBit(v) + 1); 106} 107 108template<typename T> 109T rsLowerPow2(T v) { 110 if (rsIsPow2(v)) { 111 return v; 112 } 113 return 1 << rsFindHighBit(v); 114} 115 116static 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 124static 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 131static 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