rsUtils.h revision b825f67adb5d1e1751fe108e6dbf9c6f2555c283
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 34#ifndef ANDROID_RS_BUILD_FOR_HOST 35#include <EGL/egl.h> 36#endif 37 38#include <math.h> 39 40#include "RenderScript.h" 41 42namespace android { 43namespace renderscript { 44 45#if 1 46#define rsAssert(v) do {if(!(v)) LOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while(0) 47#else 48#define rsAssert(v) while(0) 49#endif 50 51typedef float rsvF_2 __attribute__ ((vector_size (8))); 52typedef float rsvF_4 __attribute__ ((vector_size (16))); 53typedef float rsvF_8 __attribute__ ((vector_size (32))); 54typedef float rsvF_16 __attribute__ ((vector_size (64))); 55typedef uint8_t rsvU8_4 __attribute__ ((vector_size (4))); 56 57union float2 { 58 rsvF_2 v; 59 float f[2]; 60}; 61 62union float4 { 63 rsvF_4 v; 64 float f[4]; 65}; 66 67union float8 { 68 rsvF_8 v; 69 float f[8]; 70}; 71 72union float16 { 73 rsvF_16 v; 74 float f[16]; 75}; 76 77union uchar4 { 78 rsvU8_4 v; 79 uint8_t f[4]; 80 uint32_t packed; 81}; 82 83template<typename T> 84T rsMin(T in1, T in2) 85{ 86 if (in1 > in2) { 87 return in2; 88 } 89 return in1; 90} 91 92template<typename T> 93T rsMax(T in1, T in2) 94{ 95 if (in1 < in2) { 96 return in2; 97 } 98 return in1; 99} 100 101template<typename T> 102T rsFindHighBit(T val) 103{ 104 uint32_t bit = 0; 105 while(val > 1) { 106 bit++; 107 val>>=1; 108 } 109 return bit; 110} 111 112template<typename T> 113bool rsIsPow2(T val) 114{ 115 return (val & (val-1)) == 0; 116} 117 118template<typename T> 119T rsHigherPow2(T v) 120{ 121 if (rsIsPow2(v)) { 122 return v; 123 } 124 return 1 << (rsFindHighBit(v) + 1); 125} 126 127template<typename T> 128T rsLowerPow2(T v) 129{ 130 if (rsIsPow2(v)) { 131 return v; 132 } 133 return 1 << rsFindHighBit(v); 134} 135 136 137static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) 138{ 139 uint16_t t = 0; 140 t |= b >> 3; 141 t |= (g >> 2) << 5; 142 t |= (r >> 3) << 11; 143 return t; 144} 145 146static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) 147{ 148 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 149 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 150 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 151 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 152} 153 154static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) 155{ 156 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 157 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 158 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 159 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 160 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 161} 162 163 164 165} 166} 167 168#endif //ANDROID_RS_OBJECT_BASE_H 169 170 171