Part 8 of cc/ directory shuffles: resources

Continuation of https://src.chromium.org/viewvc/chrome?view=rev&revision=188681

BUG=190824
TBR=enne@chromium.org, piman@chromium.org, jschuh@chromium.org

Review URL: https://codereview.chromium.org/12471007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@188696 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 73 insertions, 0 deletions

diff --git a/cc/resources/picture_pile_base.h b/cc/resources/picture_pile_base.h
new file mode 100644
index 0000000..7014107
--- /dev/null
+++ b/cc/resources/picture_pile_base.h
@@ -0,0 +1,73 @@
+// 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.
+
+#ifndef CC_RESOURCES_PICTURE_PILE_BASE_H_
+#define CC_RESOURCES_PICTURE_PILE_BASE_H_
+
+#include <list>
+
+#include "base/hash_tables.h"
+#include "base/memory/ref_counted.h"
+#include "cc/base/cc_export.h"
+#include "cc/base/hash_pair.h"
+#include "cc/base/region.h"
+#include "cc/base/tiling_data.h"
+#include "cc/resources/picture.h"
+#include "ui/gfx/size.h"
+
+namespace cc {
+
+class CC_EXPORT PicturePileBase : public base::RefCounted<PicturePileBase> {
+ public:
+  PicturePileBase();
+  PicturePileBase(const PicturePileBase* other);
+  PicturePileBase(const PicturePileBase* other, unsigned thread_index);
+
+  void Resize(gfx::Size size);
+  gfx::Size size() const { return tiling_.total_size(); }
+  void SetMinContentsScale(float min_contents_scale);
+
+  void UpdateRecordedRegion();
+  const Region& recorded_region() const { return recorded_region_; }
+
+  int num_tiles_x() const { return tiling_.num_tiles_x(); }
+  int num_tiles_y() const { return tiling_.num_tiles_y(); }
+  gfx::Rect tile_bounds(int x, int y) const { return tiling_.TileBounds(x, y); }
+  bool HasRecordingAt(int x, int y);
+  bool CanRaster(float contents_scale, gfx::Rect content_rect);
+
+  void SetTileGridSize(const gfx::Size& tile_grid_size);
+
+ protected:
+  virtual ~PicturePileBase();
+
+  int num_raster_threads() { return num_raster_threads_; }
+  int buffer_pixels() const { return tiling_.border_texels(); }
+  void Clear();
+
+  typedef std::pair<int, int> PictureListMapKey;
+  typedef std::list<scoped_refptr<Picture> > PictureList;
+  typedef base::hash_map<PictureListMapKey, PictureList> PictureListMap;
+
+  // A picture pile is a tiled set of picture lists.  The picture list map
+  // is a map of tile indices to picture lists.
+  PictureListMap picture_list_map_;
+  TilingData tiling_;
+  Region recorded_region_;
+  float min_contents_scale_;
+  SkTileGridPicture::TileGridInfo tile_grid_info_;
+  SkColor background_color_;
+  int slow_down_raster_scale_factor_for_debug_;
+  int num_raster_threads_;
+
+ private:
+  void SetBufferPixels(int buffer_pixels);
+
+  friend class base::RefCounted<PicturePileBase>;
+  DISALLOW_COPY_AND_ASSIGN(PicturePileBase);
+};
+
+}  // namespace cc
+
+#endif  // CC_RESOURCES_PICTURE_PILE_BASE_H_