Lazy image decoding to reduce bench_record overhead.

tools/bench_record.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 "SkCommandLineFlags.h"
 #include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkOSFile.h"
 #include "SkPicture.h"
 #include "SkQuadTreePicture.h"
 #include "SkStream.h"
 #include "SkString.h"
 #include "SkTileGridPicture.h"
 #include "SkTime.h"
+#include "LazyDecodeBitmap.h"
 
 __SK_FORCE_IMAGE_DECODER_LINKING;
 
 // Just reading all the SKPs takes about 2 seconds for me, which is the same as about 100 loops of
 // rerecording all the SKPs.  So we default to --loops=900, which makes ~90% of our time spent in
 // recording, and this should take ~20 seconds to run.
 
 DEFINE_string2(skps, r, "skps", "Directory containing SKPs to read and re-record.");
 DEFINE_int32(loops, 900, "Number of times to re-record each SKP.");
 DEFINE_int32(flags, SkPicture::kUsePathBoundsForClip_RecordingFlag, "RecordingFlags to use.");
@@ skipping 81 matching lines @@
     bool failed = false;
     while (it.next(&filename)) {
         const SkString path = SkOSPath::SkPathJoin(FLAGS_skps[0], filename.c_str());
 
         SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path.c_str()));
         if (!stream) {
             SkDebugf("Could not read %s.\n", path.c_str());
             failed = true;
             continue;
         }
-        SkAutoTUnref<SkPicture> src(SkPicture::CreateFromStream(stream));
+        SkAutoTUnref<SkPicture> src(
+            SkPicture::CreateFromStream(stream, sk_tools::LazyDecodeBitmap));
         if (!src) {
             SkDebugf("Could not read %s as an SkPicture.\n", path.c_str());
             failed = true;
             continue;
         }
         bench_record(src, filename.c_str(), pictureFactory);
     }
     return failed ? 1 : 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif