Add SkMaskCache
BUG=skia:
Review URL: https://codereview.chromium.org/670063004
diff --git a/tests/MaskCacheTest.cpp b/tests/MaskCacheTest.cpp
new file mode 100644
index 0000000..0b83c62
--- /dev/null
+++ b/tests/MaskCacheTest.cpp
@@ -0,0 +1,105 @@
+/*
+ * 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() != NULL);
+ 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;
+ SkBlurQuality quality = kLow_SkBlurQuality;
+ SkMask mask;
+
+ SkCachedData* data = SkMaskCache::FindAndRef(sigma, rrect, style, quality, &mask, &cache);
+ REPORTER_ASSERT(reporter, NULL == 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, rrect, style, quality, 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, rrect, style, quality, &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, rects, 1, style, &mask, &cache);
+ REPORTER_ASSERT(reporter, NULL == 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, rects, 1, style, 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, rects, 1, style, &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();
+}