LCOV - code coverage report
Current view: top level - gfx/skia/skia/src/core - SkYUVPlanesCache.cpp (source / functions) Hit Total Coverage
Test: output.info Lines: 0 39 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 11 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright 2015 Google Inc.
       3             :  *
       4             :  * Use of this source code is governed by a BSD-style license that can be
       5             :  * found in the LICENSE file.
       6             :  */
       7             : 
       8             : #include "SkBitmapCache.h"
       9             : #include "SkResourceCache.h"
      10             : #include "SkYUVPlanesCache.h"
      11             : 
      12             : #define CHECK_LOCAL(localCache, localName, globalName, ...) \
      13             :     ((localCache) ? localCache->localName(__VA_ARGS__) : SkResourceCache::globalName(__VA_ARGS__))
      14             : 
      15             : namespace {
      16             : static unsigned gYUVPlanesKeyNamespaceLabel;
      17             : 
      18             : struct YUVValue {
      19             :     SkYUVPlanesCache::Info fInfo;
      20             :     SkCachedData*          fData;
      21             : };
      22             : 
      23             : struct YUVPlanesKey : public SkResourceCache::Key {
      24           0 :     YUVPlanesKey(uint32_t genID)
      25           0 :         : fGenID(genID)
      26             :     {
      27           0 :         this->init(&gYUVPlanesKeyNamespaceLabel, SkMakeResourceCacheSharedIDForBitmap(genID),
      28           0 :                    sizeof(genID));
      29           0 :     }
      30             : 
      31             :     uint32_t fGenID;
      32             : };
      33             : 
      34             : struct YUVPlanesRec : public SkResourceCache::Rec {
      35           0 :     YUVPlanesRec(YUVPlanesKey key, SkCachedData* data, SkYUVPlanesCache::Info* info)
      36           0 :         : fKey(key)
      37             :     {
      38           0 :         fValue.fData = data;
      39           0 :         fValue.fInfo = *info;
      40           0 :         fValue.fData->attachToCacheAndRef();
      41           0 :     }
      42           0 :     ~YUVPlanesRec() override {
      43           0 :         fValue.fData->detachFromCacheAndUnref();
      44           0 :     }
      45             : 
      46             :     YUVPlanesKey  fKey;
      47             :     YUVValue      fValue;
      48             : 
      49           0 :     const Key& getKey() const override { return fKey; }
      50           0 :     size_t bytesUsed() const override { return sizeof(*this) + fValue.fData->size(); }
      51           0 :     const char* getCategory() const override { return "yuv-planes"; }
      52           0 :     SkDiscardableMemory* diagnostic_only_getDiscardable() const override {
      53           0 :         return fValue.fData->diagnostic_only_getDiscardable();
      54             :     }
      55             : 
      56           0 :     static bool Visitor(const SkResourceCache::Rec& baseRec, void* contextData) {
      57           0 :         const YUVPlanesRec& rec = static_cast<const YUVPlanesRec&>(baseRec);
      58           0 :         YUVValue* result = static_cast<YUVValue*>(contextData);
      59             : 
      60           0 :         SkCachedData* tmpData = rec.fValue.fData;
      61           0 :         tmpData->ref();
      62           0 :         if (nullptr == tmpData->data()) {
      63           0 :             tmpData->unref();
      64           0 :             return false;
      65             :         }
      66           0 :         result->fData = tmpData;
      67           0 :         result->fInfo = rec.fValue.fInfo;
      68           0 :         return true;
      69             :     }
      70             : };
      71             : } // namespace
      72             : 
      73           0 : SkCachedData* SkYUVPlanesCache::FindAndRef(uint32_t genID, Info* info,
      74             :                                            SkResourceCache* localCache) {
      75             :     YUVValue result;
      76           0 :     YUVPlanesKey key(genID);
      77           0 :     if (!CHECK_LOCAL(localCache, find, Find, key, YUVPlanesRec::Visitor, &result)) {
      78           0 :         return nullptr;
      79             :     }
      80             : 
      81           0 :     *info = result.fInfo;
      82           0 :     return result.fData;
      83             : }
      84             : 
      85           0 : void SkYUVPlanesCache::Add(uint32_t genID, SkCachedData* data, Info* info,
      86             :                            SkResourceCache* localCache) {
      87           0 :     YUVPlanesKey key(genID);
      88           0 :     return CHECK_LOCAL(localCache, add, Add, new YUVPlanesRec(key, data, info));
      89             : }

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