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
ArrayBuffer_AlignedMalloc(size_t numBytes,size_t alignment)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
ArrayBuffer_AlignedFree(void * ptr)60 void ArrayBuffer_AlignedFree (void* ptr)
61 {
62 deAlignedFree(ptr);
63 }
64
65 } // detail
66
ArrayBuffer_selfTest(void)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