cc: Only consider layer clipped content rect for analysis

This fixes a problem in which tiles that are on the right and bottom edges of the viewport are not considered solid, even when the visible part of them is solid.

BUG=230875

Review URL: https://chromiumcodereview.appspot.com/14205005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@195103 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 76 insertions, 0 deletions

diff --git a/cc/test/fake_picture_pile_impl.cc b/cc/test/fake_picture_pile_impl.cc
new file mode 100644
index 0000000..70d0a8d
--- /dev/null
+++ b/cc/test/fake_picture_pile_impl.cc
@@ -0,0 +1,76 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "cc/test/fake_picture_pile_impl.h"
+
+#include <utility>
+
+#include "cc/test/impl_side_painting_settings.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+
+FakePicturePileImpl::FakePicturePileImpl()
+    : PicturePileImpl(false) {}
+
+FakePicturePileImpl::~FakePicturePileImpl() {}
+
+scoped_refptr<FakePicturePileImpl> FakePicturePileImpl::CreateFilledPile(
+    gfx::Size tile_size,
+    gfx::Size layer_bounds) {
+  scoped_refptr<FakePicturePileImpl> pile(new FakePicturePileImpl());
+  pile->tiling().SetTotalSize(layer_bounds);
+  pile->tiling().SetMaxTextureSize(tile_size);
+  pile->SetTileGridSize(ImplSidePaintingSettings().default_tile_size);
+  for (int x = 0; x < pile->tiling().num_tiles_x(); ++x) {
+    for (int y = 0; y < pile->tiling().num_tiles_y(); ++y)
+      pile->AddRecordingAt(x, y);
+  }
+  pile->UpdateRecordedRegion();
+  return pile;
+}
+
+scoped_refptr<FakePicturePileImpl> FakePicturePileImpl::CreateEmptyPile(
+    gfx::Size tile_size,
+    gfx::Size layer_bounds) {
+  scoped_refptr<FakePicturePileImpl> pile(new FakePicturePileImpl());
+  pile->tiling().SetTotalSize(layer_bounds);
+  pile->tiling().SetMaxTextureSize(tile_size);
+  pile->SetTileGridSize(ImplSidePaintingSettings().default_tile_size);
+  pile->UpdateRecordedRegion();
+  return pile;
+}
+
+void FakePicturePileImpl::AddRecordingAt(int x, int y) {
+  EXPECT_GE(x, 0);
+  EXPECT_GE(y, 0);
+  EXPECT_LT(x, tiling_.num_tiles_x());
+  EXPECT_LT(y, tiling_.num_tiles_y());
+
+  if (HasRecordingAt(x, y))
+    return;
+  gfx::Rect bounds(tiling().TileBounds(x, y));
+  scoped_refptr<Picture> picture(Picture::Create(bounds));
+  picture->Record(&client_, NULL, tile_grid_info_);
+  picture_list_map_[std::pair<int, int>(x, y)].push_back(picture);
+  EXPECT_TRUE(HasRecordingAt(x, y));
+
+  UpdateRecordedRegion();
+}
+
+void FakePicturePileImpl::RemoveRecordingAt(int x, int y) {
+  EXPECT_GE(x, 0);
+  EXPECT_GE(y, 0);
+  EXPECT_LT(x, tiling_.num_tiles_x());
+  EXPECT_LT(y, tiling_.num_tiles_y());
+
+  if (!HasRecordingAt(x, y))
+    return;
+  picture_list_map_.erase(std::pair<int, int>(x, y));
+  EXPECT_FALSE(HasRecordingAt(x, y));
+
+  UpdateRecordedRegion();
+}
+
+}  // namespace cc