wip playback splitup test

src/core/SkRecordDraw.cpp

Index: src/core/SkRecordDraw.cpp
diff --git a/src/core/SkRecordDraw.cpp b/src/core/SkRecordDraw.cpp
index 5ca9517d3f81cb7adef234596a3e1db9de5e87e5..c7e5e423a19c36e1d5c87f30149e9805870330f6 100644
--- a/src/core/SkRecordDraw.cpp
+++ b/src/core/SkRecordDraw.cpp
@@ -8,6 +8,119 @@
 #include "SkLayerInfo.h"
 #include "SkRecordDraw.h"
 #include "SkPatchUtils.h"
+#include "SkTraceEvent.h"
+
+DrawData::DrawData(const SkRecord& r,
+                   SkCanvas* c,
+                   SkPicture const* const dp[],
+                   SkDrawable* const dw[],
+                   int dc,
+                   const SkBBoxHierarchy* b,
+                   SkPicture::AbortCallback* cb)
+    : record(r),
+      canvas(c),
+      drawablePicts(dp),
+      drawables(dw),
+      drawableCount(dc),
+      bbh(b),
+      callback(cb),
+      draw(c, dp, dw, dc),
+      ops_count(0),
+      record_count(0) {}
+
+void SkRecordDrawPrasInit(DrawData& data) {
+  TRACE_EVENT0("pras_skia", "SkRecordDrawPrasInit");
+  data.canvas->save();
+
+  if (data.bbh) {
+    // Draw only ops that affect pixels in the canvas's current clip.
+    // The SkRecord and BBH were recorded in identity space.  This canvas
+    // is not necessarily in that same space.  getClipBounds() returns us
+    // this canvas' clip bounds transformed back into identity space, which
+    // lets us query the BBH.
+    SkRect query;
+    if (!data.canvas->getClipBounds(&query)) {
+      query.setEmpty();
+    }
+
+    data.bbh->search(query, &data.ops);
+  }
+}
+
+bool SkRecordDrawPrasDo(DrawData& data) {
+  TRACE_EVENT0("pras_skia", "SkRecordDrawPrasDo");
+  if (data.bbh) {
+    if (data.ops_count >= data.ops.count())
+      return true;
+
+    if (data.callback && data.callback->abort()) {
+      return true;
+    }
+    data.record.visit<void>(data.ops[data.ops_count], data.draw);
+    data.ops_count++;
+    return false;
+  } else {
+    if (data.record_count >= data.record.count())
+      return true;
+
+    if (data.callback && data.callback->abort()) {
+      return true;
+    }
+    data.record.visit<void>(data.record_count, data.draw);
+    data.record_count++;
+    return false;
+  }
+}
+
+void SkRecordDrawPrasDeInit(DrawData& data) {
+  TRACE_EVENT0("pras_skia", "SkRecordDrawPrasDeInit");
+  data.canvas->restore();
+}
+
+void SkRecordDrawPras(DrawData& data) {
+  SkAutoCanvasRestore saveRestore(data.canvas,
+                                  true /*save now, restore at exit*/);
+  TRACE_EVENT0("skia", "SkRecordDrawPras");
+
+  if (data.bbh) {
+    // Draw only ops that affect pixels in the canvas's current clip.
+    // The SkRecord and BBH were recorded in identity space.  This canvas
+    // is not necessarily in that same space.  getClipBounds() returns us
+    // this canvas' clip bounds transformed back into identity space, which
+    // lets us query the BBH.
+    SkRect query;
+    if (!data.canvas->getClipBounds(&query)) {
+      query.setEmpty();
+    }
+
+    data.bbh->search(query, &data.ops);
+
+    SkRecords::Draw draw(data.canvas, data.drawablePicts, data.drawables,
+                         data.drawableCount);
+    for (int i = 0; i < data.ops.count(); i++) {
+      if (data.callback && data.callback->abort()) {
+        return;
+      }
+      // This visit call uses the SkRecords::Draw::operator() to call
+      // methods on the |canvas|, wrapped by methods defined with the
+      // DRAW() macro.
+      data.record.visit<void>(data.ops[i], draw);
+    }
+  } else {
+    // Draw all ops.
+    SkRecords::Draw draw(data.canvas, data.drawablePicts, data.drawables,
+                         data.drawableCount);
+    for (int i = 0; i < data.record.count(); i++) {
+      if (data.callback && data.callback->abort()) {
+        return;
+      }
+      // This visit call uses the SkRecords::Draw::operator() to call
+      // methods on the |canvas|, wrapped by methods defined with the
+      // DRAW() macro.
+      data.record.visit<void>(i, draw);
+    }
+  }
+}
 
 void SkRecordDraw(const SkRecord& record,
                   SkCanvas* canvas,
@@ -17,6 +130,7 @@ void SkRecordDraw(const SkRecord& record,
                   const SkBBoxHierarchy* bbh,
                   SkPicture::AbortCallback* callback) {
     SkAutoCanvasRestore saveRestore(canvas, true /*save now, restore at exit*/);
+    TRACE_EVENT0("pras", "SkRecordDraw");
 
     if (bbh) {
         // Draw only ops that affect pixels in the canvas's current clip.