skia2/tests/MaskCacheTest.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 "SkMaskCache.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(RRectMaskCache, reporter) {
SkResourceCache cache(1024);
SkScalar sigma = 0.8f;
SkRect rect = SkRect::MakeWH(100, 100);
SkRRect rrect;
rrect.setRectXY(rect, 30, 30);
SkBlurStyle style = kNormal_SkBlurStyle;
SkMask mask;
SkCachedData* data = SkMaskCache::FindAndRef(sigma, style, rrect, &mask, &cache);
REPORTER_ASSERT(reporter, nullptr == data);
size_t size = 256;
data = cache.newCachedData(size);
memset(data->writable_data(), 0xff, size);
mask.fBounds.setXYWH(0, 0, 100, 100);
mask.fRowBytes = 100;
mask.fFormat = SkMask::kBW_Format;
SkMaskCache::Add(sigma, style, rrect, mask, data, &cache);
check_data(reporter, data, 2, kInCache, kLocked);
data->unref();
check_data(reporter, data, 1, kInCache, kUnlocked);
sk_bzero(&mask, sizeof(mask));
data = SkMaskCache::FindAndRef(sigma, style, rrect, &mask, &cache);
REPORTER_ASSERT(reporter, data);
REPORTER_ASSERT(reporter, data->size() == size);
REPORTER_ASSERT(reporter, mask.fBounds.top() == 0 && mask.fBounds.bottom() == 100);
REPORTER_ASSERT(reporter, data->data() == (const void*)mask.fImage);
check_data(reporter, data, 2, kInCache, kLocked);
cache.purgeAll();
check_data(reporter, data, 1, kNotInCache, kLocked);
data->unref();
}
DEF_TEST(RectsMaskCache, reporter) {
SkResourceCache cache(1024);
SkScalar sigma = 0.8f;
SkRect rect = SkRect::MakeWH(100, 100);
SkRect rects[2] = {rect};
SkBlurStyle style = kNormal_SkBlurStyle;
SkMask mask;
SkCachedData* data = SkMaskCache::FindAndRef(sigma, style, rects, 1, &mask, &cache);
REPORTER_ASSERT(reporter, nullptr == data);
size_t size = 256;
data = cache.newCachedData(size);
memset(data->writable_data(), 0xff, size);
mask.fBounds.setXYWH(0, 0, 100, 100);
mask.fRowBytes = 100;
mask.fFormat = SkMask::kBW_Format;
SkMaskCache::Add(sigma, style, rects, 1, mask, data, &cache);
check_data(reporter, data, 2, kInCache, kLocked);
data->unref();
check_data(reporter, data, 1, kInCache, kUnlocked);
sk_bzero(&mask, sizeof(mask));
data = SkMaskCache::FindAndRef(sigma, style, rects, 1, &mask, &cache);
REPORTER_ASSERT(reporter, data);
REPORTER_ASSERT(reporter, data->size() == size);
REPORTER_ASSERT(reporter, mask.fBounds.top() == 0 && mask.fBounds.bottom() == 100);
REPORTER_ASSERT(reporter, data->data() == (const void*)mask.fImage);
check_data(reporter, data, 2, kInCache, kLocked);
cache.purgeAll();
check_data(reporter, data, 1, kNotInCache, kLocked);
data->unref();
}