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
|
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <dirent.h>
#include <cutils/properties.h>
#include <cstdint>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <utils/Log.h>
#include "pipeline/skia/ShaderCache.h"
#include "FileBlobCache.h"
using namespace android::uirenderer::skiapipeline;
namespace android {
namespace uirenderer {
namespace skiapipeline {
class ShaderCacheTestUtils {
public:
/**
* "setSaveDelay" sets the time in seconds to wait before saving newly inserted cache entries.
* If set to 0, then deferred save is disabled.
*/
static void setSaveDelay(ShaderCache& cache, unsigned int saveDelay) {
cache.mDeferredSaveDelay = saveDelay;
}
/**
* "terminate" optionally stores the BlobCache on disk and release all in-memory cache.
* Next call to "initShaderDiskCache" will load again the in-memory cache from disk.
*/
static void terminate(ShaderCache& cache, bool saveContent) {
std::lock_guard<std::mutex> lock(cache.mMutex);
if (cache.mInitialized && cache.mBlobCache && saveContent) {
cache.mBlobCache->writeToFile();
}
cache.mBlobCache = NULL;
}
};
} /* namespace skiapipeline */
} /* namespace uirenderer */
} /* namespace android */
namespace {
std::string getExternalStorageFolder() {
return getenv("EXTERNAL_STORAGE");
}
bool folderExist(const std::string& folderName) {
DIR* dir = opendir(folderName.c_str());
if (dir) {
closedir(dir);
return true;
}
return false;
}
bool checkShader(const sk_sp<SkData>& shader, const char* program) {
sk_sp<SkData> shader2 = SkData::MakeWithCString(program);
return shader->size() == shader2->size()
&& 0 == memcmp(shader->data(), shader2->data(), shader->size());
}
bool checkShader(const sk_sp<SkData>& shader, std::vector<char>& program) {
sk_sp<SkData> shader2 = SkData::MakeWithCopy(program.data(), program.size());
return shader->size() == shader2->size()
&& 0 == memcmp(shader->data(), shader2->data(), shader->size());
}
void setShader(sk_sp<SkData>& shader, const char* program) {
shader = SkData::MakeWithCString(program);
}
void setShader(sk_sp<SkData>& shader, std::vector<char>& program) {
shader = SkData::MakeWithCopy(program.data(), program.size());
}
#define GrProgramDescTest(a) (*SkData::MakeWithCString(#a).get())
TEST(ShaderCacheTest, testWriteAndRead) {
if (!folderExist(getExternalStorageFolder())) {
//don't run the test if external storage folder is not available
return;
}
std::string cacheFile1 = getExternalStorageFolder() + "/shaderCacheTest1";
std::string cacheFile2 = getExternalStorageFolder() + "/shaderCacheTest2";
//remove any test files from previous test run
int deleteFile = remove(cacheFile1.c_str());
ASSERT_TRUE(0 == deleteFile || ENOENT == errno);
//read the cache from a file that does not exist
ShaderCache::get().setFilename(cacheFile1.c_str());
ShaderCacheTestUtils::setSaveDelay(ShaderCache::get(), 0); //disable deferred save
ShaderCache::get().initShaderDiskCache();
//read a key - should not be found since the cache is empty
sk_sp<SkData> outVS;
ASSERT_EQ(ShaderCache::get().load(GrProgramDescTest(432)), sk_sp<SkData>());
//write to the in-memory cache without storing on disk and verify we read the same values
sk_sp<SkData> inVS;
setShader(inVS, "sassas");
ShaderCache::get().store(GrProgramDescTest(100), *inVS.get());
setShader(inVS, "someVS");
ShaderCache::get().store(GrProgramDescTest(432), *inVS.get());
ASSERT_NE((outVS = ShaderCache::get().load(GrProgramDescTest(100))), sk_sp<SkData>());
ASSERT_TRUE(checkShader(outVS, "sassas"));
ASSERT_NE((outVS = ShaderCache::get().load(GrProgramDescTest(432))), sk_sp<SkData>());
ASSERT_TRUE(checkShader(outVS, "someVS"));
//store content to disk and release in-memory cache
ShaderCacheTestUtils::terminate(ShaderCache::get(), true);
//change to a file that does not exist and verify load fails
ShaderCache::get().setFilename(cacheFile2.c_str());
ShaderCache::get().initShaderDiskCache();
ASSERT_EQ(ShaderCache::get().load(GrProgramDescTest(432)), sk_sp<SkData>());
ShaderCacheTestUtils::terminate(ShaderCache::get(), false);
//load again content from disk from an existing file and check the data is read correctly
ShaderCache::get().setFilename(cacheFile1.c_str());
ShaderCache::get().initShaderDiskCache();
sk_sp<SkData> outVS2;
ASSERT_NE((outVS2 = ShaderCache::get().load(GrProgramDescTest(432))), sk_sp<SkData>());
ASSERT_TRUE(checkShader(outVS2, "someVS"));
//change data, store to disk, read back again and verify data has been changed
setShader(inVS, "ewData1");
ShaderCache::get().store(GrProgramDescTest(432), *inVS.get());
ShaderCacheTestUtils::terminate(ShaderCache::get(), true);
ShaderCache::get().initShaderDiskCache();
ASSERT_NE((outVS2 = ShaderCache::get().load(GrProgramDescTest(432))), sk_sp<SkData>());
ASSERT_TRUE(checkShader(outVS2, "ewData1"));
//write and read big data chunk (50K)
size_t dataSize = 50*1024;
std::vector<char> dataBuffer(dataSize);
for (size_t i = 0; i < dataSize; i++) {
dataBuffer[0] = dataSize % 256;
}
setShader(inVS, dataBuffer);
ShaderCache::get().store(GrProgramDescTest(432), *inVS.get());
ShaderCacheTestUtils::terminate(ShaderCache::get(), true);
ShaderCache::get().initShaderDiskCache();
ASSERT_NE((outVS2 = ShaderCache::get().load(GrProgramDescTest(432))), sk_sp<SkData>());
ASSERT_TRUE(checkShader(outVS2, dataBuffer));
ShaderCacheTestUtils::terminate(ShaderCache::get(), false);
remove(cacheFile1.c_str());
}
} // namespace
|
