cc: Do GatherPixelRefs from skia at record time

This change gather lazy pixel refs from skia at record time and
stores them in a 512x512 grid. When GatherPixelRefs is invoked,
the refs are looked up in this grid (cells that intersect our
required rect contribute their pixel refs to the final result)

BUG=231977

Review URL: https://chromiumcodereview.appspot.com/14230007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@196451 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 2 deletions

diff --git a/cc/test/fake_content_layer_client.cc b/cc/test/fake_content_layer_client.cc
index 7153766..280459b 100644
--- a/cc/test/fake_content_layer_client.cc
+++ b/cc/test/fake_content_layer_client.cc
@@ -5,6 +5,7 @@
 #include "cc/test/fake_content_layer_client.h"
 
 #include "third_party/skia/include/core/SkCanvas.h"
+#include "ui/gfx/skia_util.h"
 
 namespace cc {
 
@@ -20,10 +21,11 @@ void FakeContentLayerClient::PaintContents(SkCanvas* canvas,
   if (paint_all_opaque_)
     *opaque_rect = rect;
 
+  canvas->clipRect(gfx::RectToSkRect(rect));
   for (RectPaintVector::const_iterator it = draw_rects_.begin();
-      it < draw_rects_.end(); ++it) {
+      it != draw_rects_.end(); ++it) {
     gfx::Rect rect = it->first;
-    SkPaint paint = it->second;
+    const SkPaint& paint = it->second;
     SkRect draw_rect = SkRect::MakeXYWH(
         rect.x(),
         rect.y(),
@@ -31,6 +33,11 @@ void FakeContentLayerClient::PaintContents(SkCanvas* canvas,
         rect.height());
     canvas->drawRect(draw_rect, paint);
   }
+
+  for (BitmapVector::const_iterator it = draw_bitmaps_.begin();
+      it != draw_bitmaps_.end(); ++it) {
+    canvas->drawBitmap(it->first, it->second.x(), it->second.y());
+  }
 }
 
 }  // namespace cc