cache private readback for gpu-images

src/core/SkBitmapCache.cpp

 /*
  * 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 "SkBitmapCache.h"
 #include "SkResourceCache.h"
 #include "SkMipMap.h"
@@ skipping 124 matching lines @@
         return false;
     } else {
         BitmapRec* rec = SkNEW_ARGS(BitmapRec, (pr->getGenerationID(), 1, 1, subset, result));
 
         CHECK_LOCAL(localCache, add, Add, rec);
         pr->notifyAddedToCache();
         return true;
     }
 }
 
+bool SkBitmapCache::Find(uint32_t genID, SkBitmap* result, SkResourceCache* localCache) {
+    BitmapKey key(genID, SK_Scalar1, SK_Scalar1, SkIRect::MakeEmpty());
+
+    return CHECK_LOCAL(localCache, find, Find, key, BitmapRec::Finder, result);
+}
+
+void SkBitmapCache::Add(uint32_t genID, const SkBitmap& result, SkResourceCache* localCache) {
+    SkASSERT(result.isImmutable());
+
+    BitmapRec* rec = SkNEW_ARGS(BitmapRec, (genID, 1, 1, SkIRect::MakeEmpty(), result));
+
+    CHECK_LOCAL(localCache, add, Add, rec);
+}
+
 //////////////////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////////////////
 
 namespace {
 static unsigned gMipMapKeyNamespaceLabel;
 
 struct MipMapKey : public SkResourceCache::Key {
 public:
     MipMapKey(uint32_t genID, const SkIRect& bounds) : fGenID(genID), fBounds(bounds) {
         this->init(&gMipMapKeyNamespaceLabel, SkMakeResourceCacheSharedIDForBitmap(genID),
@@ skipping 56 matching lines @@
 
 const SkMipMap* SkMipMapCache::AddAndRef(const SkBitmap& src, SkResourceCache* localCache) {
     SkMipMap* mipmap = SkMipMap::Build(src, get_fact(localCache));
     if (mipmap) {
         MipMapRec* rec = SkNEW_ARGS(MipMapRec, (src, mipmap));
         CHECK_LOCAL(localCache, add, Add, rec);
         src.pixelRef()->notifyAddedToCache();
     }
     return mipmap;
 }