YUV planes cache
- Added new classes to contain YUV planes of memory, along with the associated data.
- Used these classes in load_yuv_texture() to enable YUV planes caching
- Added a unit test for the new cache
BUG=450021
Review URL: https://codereview.chromium.org/851273003
diff --git a/tests/YUVCacheTest.cpp b/tests/YUVCacheTest.cpp
new file mode 100644
index 0000000..f5b5897
--- /dev/null
+++ b/tests/YUVCacheTest.cpp
@@ -0,0 +1,76 @@
+/*
+ * 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() != NULL);
+ 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, NULL == 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();
+}