skia2/tests/YUVCacheTest.cpp

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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkCachedData.h"
#include "SkYUVPlanesCache.h"
#include "SkResourceCache.h"
#include "Test.h"
enum LockedState {
kUnlocked,
kLocked,
};
enum CachedState {
kNotInCache,
kInCache,
};
static void check_data(skiatest::Reporter* reporter, SkCachedData* data,
int refcnt, CachedState cacheState, LockedState lockedState) {
REPORTER_ASSERT(reporter, data->testing_only_getRefCnt() == refcnt);
REPORTER_ASSERT(reporter, data->testing_only_isInCache() == (kInCache == cacheState));
bool isLocked = (data->data() != nullptr);
REPORTER_ASSERT(reporter, isLocked == (lockedState == kLocked));
}
DEF_TEST(YUVPlanesCache, reporter) {
SkResourceCache cache(1024);
SkYUVPlanesCache::Info yuvInfo;
for (int i = 0; i < 3; ++i) {
yuvInfo.fSize[i].fWidth = 20 * i;
yuvInfo.fSize[i].fHeight = 10 * i;
yuvInfo.fSizeInMemory[i] = 800 * i;
yuvInfo.fRowBytes[i] = 80 * i;
}
yuvInfo.fColorSpace = kRec601_SkYUVColorSpace;
const uint32_t genID = 12345678;
SkCachedData* data = SkYUVPlanesCache::FindAndRef(genID, &yuvInfo, &cache);
REPORTER_ASSERT(reporter, nullptr == data);
size_t size = 256;
data = cache.newCachedData(size);
memset(data->writable_data(), 0xff, size);
SkYUVPlanesCache::Add(genID, data, &yuvInfo, &cache);
check_data(reporter, data, 2, kInCache, kLocked);
data->unref();
check_data(reporter, data, 1, kInCache, kUnlocked);
SkYUVPlanesCache::Info yuvInfoRead;
data = SkYUVPlanesCache::FindAndRef(genID, &yuvInfoRead, &cache);
REPORTER_ASSERT(reporter, data);
REPORTER_ASSERT(reporter, data->size() == size);
for (int i = 0; i < 3; ++i) {
REPORTER_ASSERT(reporter, yuvInfo.fSize[i].fWidth == yuvInfoRead.fSize[i].fWidth);
REPORTER_ASSERT(reporter, yuvInfo.fSize[i].fHeight == yuvInfoRead.fSize[i].fHeight);
REPORTER_ASSERT(reporter, yuvInfo.fSizeInMemory[i] == yuvInfoRead.fSizeInMemory[i]);
REPORTER_ASSERT(reporter, yuvInfo.fRowBytes[i] == yuvInfoRead.fRowBytes[i]);
}
REPORTER_ASSERT(reporter, yuvInfo.fColorSpace == yuvInfoRead.fColorSpace);
check_data(reporter, data, 2, kInCache, kLocked);
cache.purgeAll();
check_data(reporter, data, 1, kNotInCache, kLocked);
data->unref();
}