1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
// This is a GPU-backend specific test
#if SK_SUPPORT_GPU
#include "GrMemoryPool.h"
#include "SkRandom.h"
#include "SkTDArray.h"
#include "SkTScopedPtr.h"
#include "SkInstCnt.h"
namespace {
// A is the top of an inheritance tree of classes that overload op new and
// and delete to use a GrMemoryPool. The objects have values of different types
// that can be set and checked.
class A {
public:
A() {};
virtual void setValues(int v) {
fChar = static_cast<char>(v);
}
virtual bool checkValues(int v) {
return fChar == static_cast<char>(v);
}
virtual ~A() {};
void* operator new(size_t size) {
if (!gPool.get()) {
return ::operator new(size);
} else {
return gPool->allocate(size);
}
}
void operator delete(void* p) {
if (!gPool.get()) {
::operator delete(p);
} else {
return gPool->release(p);
}
}
SK_DECLARE_INST_COUNT_ROOT(A);
static A* Create(SkMWCRandom* r);
static void SetAllocator(size_t preallocSize, size_t minAllocSize) {
#if SK_ENABLE_INST_COUNT
SkASSERT(0 == GetInstanceCount());
#endif
GrMemoryPool* pool = new GrMemoryPool(preallocSize, minAllocSize);
gPool.reset(pool);
}
static void ResetAllocator() {
#if SK_ENABLE_INST_COUNT
SkASSERT(0 == GetInstanceCount());
#endif
gPool.reset(NULL);
}
private:
static SkTScopedPtr<GrMemoryPool> gPool;
char fChar;
};
SK_DEFINE_INST_COUNT(A);
SkTScopedPtr<GrMemoryPool> A::gPool;
class B : public A {
public:
B() {};
virtual void setValues(int v) {
fDouble = static_cast<double>(v);
this->INHERITED::setValues(v);
}
virtual bool checkValues(int v) {
return fDouble == static_cast<double>(v) &&
this->INHERITED::checkValues(v);
}
virtual ~B() {};
private:
double fDouble;
typedef A INHERITED;
};
class C : public A {
public:
C() {};
virtual void setValues(int v) {
fInt64 = static_cast<int64_t>(v);
this->INHERITED::setValues(v);
}
virtual bool checkValues(int v) {
return fInt64 == static_cast<int64_t>(v) &&
this->INHERITED::checkValues(v);
}
virtual ~C() {};
private:
int64_t fInt64;
typedef A INHERITED;
};
// D derives from C and owns a dynamically created B
class D : public C {
public:
D() {
fB = new B();
}
virtual void setValues(int v) {
fVoidStar = reinterpret_cast<void*>(v);
this->INHERITED::setValues(v);
fB->setValues(v);
}
virtual bool checkValues(int v) {
return fVoidStar == reinterpret_cast<void*>(v) &&
fB->checkValues(v) &&
this->INHERITED::checkValues(v);
}
virtual ~D() {
delete fB;
}
private:
void* fVoidStar;
B* fB;
typedef C INHERITED;
};
class E : public A {
public:
E() {}
virtual void setValues(int v) {
for (size_t i = 0; i < SK_ARRAY_COUNT(fIntArray); ++i) {
fIntArray[i] = v;
}
this->INHERITED::setValues(v);
}
virtual bool checkValues(int v) {
bool ok = true;
for (size_t i = 0; ok && i < SK_ARRAY_COUNT(fIntArray); ++i) {
if (fIntArray[i] != v) {
ok = false;
}
}
return ok && this->INHERITED::checkValues(v);
}
virtual ~E() {}
private:
int fIntArray[20];
typedef A INHERITED;
};
A* A::Create(SkMWCRandom* r) {
switch (r->nextRangeU(0, 4)) {
case 0:
return new A;
case 1:
return new B;
case 2:
return new C;
case 3:
return new D;
case 4:
return new E;
default:
// suppress warning
return NULL;
}
}
}
struct Rec {
A* fInstance;
int fValue;
};
static void test_memory_pool(skiatest::Reporter* reporter) {
// prealloc and min alloc sizes for the pool
static const size_t gSizes[][2] = {
{0, 0},
{10 * sizeof(A), 20 * sizeof(A)},
{100 * sizeof(A), 100 * sizeof(A)},
{500 * sizeof(A), 500 * sizeof(A)},
{10000 * sizeof(A), 0},
{1, 100 * sizeof(A)},
};
// different percentages of creation vs deletion
static const float gCreateFraction[] = {1.f, .95f, 0.75f, .5f};
// number of create/destroys per test
static const int kNumIters = 20000;
// check that all the values stored in A objects are correct after this
// number of iterations
static const int kCheckPeriod = 500;
SkMWCRandom r;
for (size_t s = 0; s < SK_ARRAY_COUNT(gSizes); ++s) {
A::SetAllocator(gSizes[s][0], gSizes[s][1]);
for (size_t c = 0; c < SK_ARRAY_COUNT(gCreateFraction); ++c) {
SkTDArray<Rec> instanceRecs;
for (int i = 0; i < kNumIters; ++i) {
float createOrDestroy = r.nextUScalar1();
if (createOrDestroy < gCreateFraction[c] ||
0 == instanceRecs.count()) {
Rec* rec = instanceRecs.append();
rec->fInstance = A::Create(&r);
rec->fValue = static_cast<int>(r.nextU());
rec->fInstance->setValues(rec->fValue);
} else {
int d = r.nextRangeU(0, instanceRecs.count() - 1);
Rec& rec = instanceRecs[d];
REPORTER_ASSERT(reporter, rec.fInstance->checkValues(rec.fValue));
delete rec.fInstance;
instanceRecs.removeShuffle(d);
}
if (0 == i % kCheckPeriod) {
for (int r = 0; r < instanceRecs.count(); ++r) {
Rec& rec = instanceRecs[r];
REPORTER_ASSERT(reporter, rec.fInstance->checkValues(rec.fValue));
}
}
}
for (int i = 0; i < instanceRecs.count(); ++i) {
Rec& rec = instanceRecs[i];
REPORTER_ASSERT(reporter, rec.fInstance->checkValues(rec.fValue));
delete rec.fInstance;
}
#if SK_ENABLE_INST_COUNT
REPORTER_ASSERT(reporter, !A::GetInstanceCount());
#endif
}
}
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("GrMemoryPool", GrMemoryPoolClass, test_memory_pool)
#endif
|
