1 /*------------------------------------------------------------------------- 2 * drawElements C++ Base Library 3 * ----------------------------- 4 * 5 * Copyright 2014 The Android Open Source Project 6 * 7 * Licensed under the Apache License, Version 2.0 (the "License"); 8 * you may not use this file except in compliance with the License. 9 * You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, software 14 * distributed under the License is distributed on an "AS IS" BASIS, 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 * See the License for the specific language governing permissions and 17 * limitations under the License. 18 * 19 *//*! 20 * \file 21 * \brief Array buffer 22 *//*--------------------------------------------------------------------*/ 23 24 #include "deArrayBuffer.hpp" 25 26 #if defined(DE_VALGRIND_BUILD) && defined(HAVE_VALGRIND_MEMCHECK_H) 27 # include <valgrind/memcheck.h> 28 #endif 29 30 namespace de 31 { 32 namespace detail 33 { 34 35 void* ArrayBuffer_AlignedMalloc (size_t numBytes, size_t alignment) 36 { 37 const int sizeAsInt = (int)numBytes; 38 void* ptr; 39 40 // int overflow 41 if (sizeAsInt < 0 || numBytes != (size_t)sizeAsInt) 42 throw std::bad_alloc(); 43 44 // alloc 45 ptr = deAlignedMalloc(sizeAsInt, (int)alignment); 46 if (!ptr) 47 throw std::bad_alloc(); 48 49 // mark area as undefined for valgrind 50 #if defined(DE_VALGRIND_BUILD) && defined(HAVE_VALGRIND_MEMCHECK_H) 51 if (RUNNING_ON_VALGRIND) 52 { 53 VALGRIND_MAKE_MEM_UNDEFINED(ptr, numBytes); 54 } 55 #endif 56 57 return ptr; 58 } 59 60 void ArrayBuffer_AlignedFree (void* ptr) 61 { 62 deAlignedFree(ptr); 63 } 64 65 } // detail 66 67 void ArrayBuffer_selfTest (void) 68 { 69 // default constructor 70 { 71 de::ArrayBuffer<int> buf; 72 DE_TEST_ASSERT(buf.size() == 0); 73 DE_TEST_ASSERT(buf.getPtr() == DE_NULL); 74 } 75 76 // sized constructor 77 { 78 de::ArrayBuffer<int> buf(4); 79 DE_TEST_ASSERT(buf.size() == 4); 80 DE_TEST_ASSERT(buf.getPtr() != DE_NULL); 81 } 82 83 // copy constructor 84 { 85 de::ArrayBuffer<int> originalBuf(4); 86 *originalBuf.getElementPtr(0) = 1; 87 *originalBuf.getElementPtr(1) = 2; 88 *originalBuf.getElementPtr(2) = 3; 89 *originalBuf.getElementPtr(3) = 4; 90 91 de::ArrayBuffer<int> targetBuf(originalBuf); 92 93 DE_TEST_ASSERT(*originalBuf.getElementPtr(0) == 1); 94 DE_TEST_ASSERT(*originalBuf.getElementPtr(1) == 2); 95 DE_TEST_ASSERT(*originalBuf.getElementPtr(2) == 3); 96 DE_TEST_ASSERT(*originalBuf.getElementPtr(3) == 4); 97 98 DE_TEST_ASSERT(*targetBuf.getElementPtr(0) == 1); 99 DE_TEST_ASSERT(*targetBuf.getElementPtr(1) == 2); 100 DE_TEST_ASSERT(*targetBuf.getElementPtr(2) == 3); 101 DE_TEST_ASSERT(*targetBuf.getElementPtr(3) == 4); 102 } 103 104 // assignment 105 { 106 de::ArrayBuffer<int> originalBuf(4); 107 *originalBuf.getElementPtr(0) = 1; 108 *originalBuf.getElementPtr(1) = 2; 109 *originalBuf.getElementPtr(2) = 3; 110 *originalBuf.getElementPtr(3) = 4; 111 112 de::ArrayBuffer<int> targetBuf(1); 113 114 targetBuf = originalBuf; 115 116 DE_TEST_ASSERT(*originalBuf.getElementPtr(0) == 1); 117 DE_TEST_ASSERT(*originalBuf.getElementPtr(1) == 2); 118 DE_TEST_ASSERT(*originalBuf.getElementPtr(2) == 3); 119 DE_TEST_ASSERT(*originalBuf.getElementPtr(3) == 4); 120 121 DE_TEST_ASSERT(*targetBuf.getElementPtr(0) == 1); 122 DE_TEST_ASSERT(*targetBuf.getElementPtr(1) == 2); 123 DE_TEST_ASSERT(*targetBuf.getElementPtr(2) == 3); 124 DE_TEST_ASSERT(*targetBuf.getElementPtr(3) == 4); 125 } 126 127 // clear 128 { 129 de::ArrayBuffer<int> buf(4); 130 buf.clear(); 131 DE_TEST_ASSERT(buf.size() == 0); 132 DE_TEST_ASSERT(buf.getPtr() == DE_NULL); 133 } 134 135 // setStorage 136 { 137 de::ArrayBuffer<int> buf(4); 138 buf.setStorage(12); 139 DE_TEST_ASSERT(buf.size() == 12); 140 DE_TEST_ASSERT(buf.getPtr() != DE_NULL); 141 } 142 143 // setStorage, too large 144 { 145 de::ArrayBuffer<int> buf(4); 146 *buf.getElementPtr(0) = 1; 147 *buf.getElementPtr(1) = 2; 148 *buf.getElementPtr(2) = 3; 149 *buf.getElementPtr(3) = 4; 150 151 try 152 { 153 buf.setStorage((size_t)-1); 154 155 // setStorage succeeded, all ok 156 } 157 catch (std::bad_alloc&) 158 { 159 // alloc failed, check storage not changed 160 161 DE_TEST_ASSERT(buf.size() == 4); 162 DE_TEST_ASSERT(*buf.getElementPtr(0) == 1); 163 DE_TEST_ASSERT(*buf.getElementPtr(1) == 2); 164 DE_TEST_ASSERT(*buf.getElementPtr(2) == 3); 165 DE_TEST_ASSERT(*buf.getElementPtr(3) == 4); 166 } 167 } 168 169 // swap 170 { 171 de::ArrayBuffer<int> buf; 172 de::ArrayBuffer<int> source(4); 173 *source.getElementPtr(0) = 1; 174 *source.getElementPtr(1) = 2; 175 *source.getElementPtr(2) = 3; 176 *source.getElementPtr(3) = 4; 177 178 buf.swap(source); 179 180 DE_TEST_ASSERT(source.size() == 0); 181 DE_TEST_ASSERT(buf.size() == 4); 182 DE_TEST_ASSERT(*buf.getElementPtr(0) == 1); 183 DE_TEST_ASSERT(*buf.getElementPtr(1) == 2); 184 DE_TEST_ASSERT(*buf.getElementPtr(2) == 3); 185 DE_TEST_ASSERT(*buf.getElementPtr(3) == 4); 186 } 187 188 // default 189 { 190 de::ArrayBuffer<int> source(4); 191 int dst; 192 *source.getElementPtr(1) = 2; 193 194 deMemcpy(&dst, (int*)source.getPtr() + 1, sizeof(int)); 195 196 DE_TEST_ASSERT(dst == 2); 197 } 198 199 // Aligned 200 { 201 de::ArrayBuffer<int, 64, sizeof(int)> source(4); 202 int dst; 203 *source.getElementPtr(1) = 2; 204 205 deMemcpy(&dst, (int*)source.getPtr() + 1, sizeof(int)); 206 207 DE_TEST_ASSERT(dst == 2); 208 } 209 210 // Strided 211 { 212 de::ArrayBuffer<int, 4, 64> source(4); 213 int dst; 214 *source.getElementPtr(1) = 2; 215 216 deMemcpy(&dst, (deUint8*)source.getPtr() + 64, sizeof(int)); 217 218 DE_TEST_ASSERT(dst == 2); 219 } 220 221 // Aligned, Strided 222 { 223 de::ArrayBuffer<int, 32, 64> source(4); 224 int dst; 225 *source.getElementPtr(1) = 2; 226 227 deMemcpy(&dst, (deUint8*)source.getPtr() + 64, sizeof(int)); 228 229 DE_TEST_ASSERT(dst == 2); 230 } 231 } 232 233 } // de 234
