SkRecord strawman

dm/DMRecordTask.cpp

+#include "DMRecordTask.h"
+#include "DMUtil.h"
+#include "DMWriteTask.h"
+#include "SkCommandLineFlags.h"
+#include "SkRecordDraw.h"
+#include "SkRecorder.h"
+
+DEFINE_bool(skr, false, "If true, run SKR tests.");
+
+namespace DM {
+
+RecordTask::RecordTask(const Task& parent, skiagm::GM* gm, SkBitmap reference)
+    : CpuTask(parent)
+    , fName(UnderJoin(parent.name().c_str(), "skr"))
+    , fGM(gm)
+    , fReference(reference)
+    {}
+
+void RecordTask::draw() {
+    // Record the GM into an SkRecord.
+    SkRecord record;
+    SkRecorder canvas(&record, fReference.width(), fReference.height());
+    canvas.concat(fGM->getInitialTransform());
+    fGM->draw(&canvas);
+
+    // Draw the SkRecord back into a bitmap.
+    SkBitmap bitmap;
+    SetupBitmap(fReference.colorType(), fGM.get(), &bitmap);
+    SkCanvas target(bitmap);
+    record.visit(SkRecordDraw(&target));
+
+    if (!BitmapsEqual(bitmap, fReference)) {
+        this->fail();
+        this->spawnChild(SkNEW_ARGS(WriteTask, (*this, bitmap)));
+    }
+}
+
+bool RecordTask::shouldSkip() const {
+    return !FLAGS_skr;
+}
+
+}  // namespace DM