deferred canvas

tools/dump_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 "DumpRecord.h"
 #include "SkCommandLineFlags.h"
+#include "SkDeferredCanvas.h"
 #include "SkPicture.h"
 #include "SkPictureRecorder.h"
 #include "SkRecordDraw.h"
 #include "SkRecordOpts.h"
 #include "SkRecorder.h"
 #include "SkStream.h"
 #include <stdio.h>
 
 DEFINE_string2(skps, r, "", ".SKPs to dump.");
 DEFINE_string(match, "", "The usual filters on file names to dump.");
 DEFINE_bool2(optimize, O, false, "Run SkRecordOptimize before dumping.");
 DEFINE_bool(optimize2, false, "Run SkRecordOptimize2 before dumping.");
 DEFINE_int32(tile, 1000000000, "Simulated tile size.");
 DEFINE_bool(timeWithCommand, false, "If true, print time next to command, else in first column.");
 DEFINE_string2(write, w, "", "Write the (optimized) picture to the named file.");
+DEFINE_bool(defer, false, "Defer clips and translates");
 
 static void dump(const char* name, int w, int h, const SkRecord& record) {
     SkBitmap bitmap;
     bitmap.allocN32Pixels(w, h);
     SkCanvas canvas(bitmap);
     canvas.clipRect(SkRect::MakeWH(SkIntToScalar(FLAGS_tile),
                                    SkIntToScalar(FLAGS_tile)));
 
     printf("%s %s\n", FLAGS_optimize ? "optimized" : "not-optimized", name);
 
@@ skipping 12 matching lines @@
         SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(FLAGS_skps[i]));
         if (!stream) {
             SkDebugf("Could not read %s.\n", FLAGS_skps[i]);
             return 1;
         }
         sk_sp<SkPicture> src(SkPicture::MakeFromStream(stream));
         if (!src) {
             SkDebugf("Could not read %s as an SkPicture.\n", FLAGS_skps[i]);
             return 1;
         }
+        if (FLAGS_defer) {
+            SkPictureRecorder recorder;
+            SkDeferredCanvas deferred(recorder.beginRecording(src->cullRect()));
+            src->playback(&deferred);
+            src = recorder.finishRecordingAsPicture();
+        }
         const int w = SkScalarCeilToInt(src->cullRect().width());
         const int h = SkScalarCeilToInt(src->cullRect().height());
 
         SkRecord record;
         SkRecorder canvas(&record, w, h);
         src->playback(&canvas);
 
         if (FLAGS_optimize) {
             SkRecordOptimize(&record);
         }
@@ skipping 19 matching lines @@
     }
 
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif