cc: Move tiling raster tile iterator to be a tiling set queue class.

cc/resources/picture_layer_tiling_unittest.cc

 // Copyright 2012 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/resources/picture_layer_tiling.h"
 
 #include <limits>
 #include <set>
 
 #include "cc/base/math_util.h"
@@ skipping 1069 matching lines @@
   // If a layer has a non-invertible transform, then the starting rect
   // for the layer would be empty.
   gfx::Rect in(40, 40, 0, 0);
   gfx::Rect bounds(0, 0, 10, 10);
   int64 target_area = 400 * 400;
   gfx::Rect out = PictureLayerTiling::ExpandRectEquallyToAreaBoundedBy(
       in, target_area, bounds, NULL);
   EXPECT_TRUE(out.IsEmpty());
 }
 
-TEST(PictureLayerTilingTest, TilingRasterTileIteratorStaticViewport) {

[vmpstr, 2015/01/06 19:53:50]

This is moved to the tile manager unittests with the changes being that we use a
TilingSetRasterQueue instead of PictureLayerTiling::TilingRasterTileIterator.

-  FakePictureLayerTilingClient client;
-
-  gfx::Rect viewport(50, 50, 100, 100);
-  gfx::Size layer_bounds(800, 800);
-
-  gfx::Rect soon_rect = viewport;
-  soon_rect.Inset(-312.f, -312.f, -312.f, -312.f);
-
-  client.SetTileSize(gfx::Size(30, 30));
-  client.set_tree(ACTIVE_TREE);
-  LayerTreeSettings settings;
-  settings.max_tiles_for_interest_area = 10000;
-
-  scoped_refptr<FakePicturePileImpl> pile =
-      FakePicturePileImpl::CreateFilledPileWithDefaultTileSize(layer_bounds);
-  scoped_ptr<TestablePictureLayerTiling> tiling =
-      TestablePictureLayerTiling::Create(1.0f, pile, &client, settings);
-  tiling->ComputeTilePriorityRects(viewport, 1.0f, 1.0, Occlusion());
-  tiling->UpdateAllTilePrioritiesForTesting();
-
-  PictureLayerTiling::TilingRasterTileIterator empty_iterator;
-  EXPECT_FALSE(empty_iterator);
-
-  std::vector<Tile*> all_tiles = tiling->AllTilesForTesting();
-
-  // Sanity check.
-  EXPECT_EQ(841u, all_tiles.size());
-
-  // The explanation of each iteration is as follows:
-  // 1. First iteration tests that we can get all of the tiles correctly.
-  // 2. Second iteration ensures that we can get all of the tiles again (first
-  //    iteration didn't change any tiles), as well set all tiles to be ready to
-  //    draw.
-  // 3. Third iteration ensures that no tiles are returned, since they were all
-  //    marked as ready to draw.
-  for (int i = 0; i < 3; ++i) {
-    PictureLayerTiling::TilingRasterTileIterator it(tiling.get());
-
-    // There are 3 bins in TilePriority.
-    bool have_tiles[3] = {};
-
-    // On the third iteration, we should get no tiles since everything was
-    // marked as ready to draw.
-    if (i == 2) {
-      EXPECT_FALSE(it);
-      continue;
-    }
-
-    EXPECT_TRUE(it);
-    std::set<Tile*> unique_tiles;
-    unique_tiles.insert(*it);
-    Tile* last_tile = *it;
-    have_tiles[last_tile->priority(ACTIVE_TREE).priority_bin] = true;
-
-    // On the second iteration, mark everything as ready to draw (solid color).
-    if (i == 1) {
-      TileDrawInfo& draw_info = last_tile->draw_info();
-      draw_info.SetSolidColorForTesting(SK_ColorRED);
-    }
-    ++it;
-    int eventually_bin_order_correct_count = 0;
-    int eventually_bin_order_incorrect_count = 0;
-    while (it) {
-      Tile* new_tile = *it;
-      ++it;
-      unique_tiles.insert(new_tile);
-
-      TilePriority last_priority = last_tile->priority(ACTIVE_TREE);
-      TilePriority new_priority = new_tile->priority(ACTIVE_TREE);
-      EXPECT_LE(last_priority.priority_bin, new_priority.priority_bin);
-      if (last_priority.priority_bin == new_priority.priority_bin) {
-        if (last_priority.priority_bin == TilePriority::EVENTUALLY) {
-          bool order_correct = last_priority.distance_to_visible <=
-                               new_priority.distance_to_visible;
-          eventually_bin_order_correct_count += order_correct;
-          eventually_bin_order_incorrect_count += !order_correct;
-        } else if (!soon_rect.Intersects(new_tile->content_rect()) &&
-                   !soon_rect.Intersects(last_tile->content_rect())) {
-          EXPECT_LE(last_priority.distance_to_visible,
-                    new_priority.distance_to_visible);
-          EXPECT_EQ(TilePriority::NOW, new_priority.priority_bin);
-        } else if (new_priority.distance_to_visible > 0.f) {
-          EXPECT_EQ(TilePriority::SOON, new_priority.priority_bin);
-        }
-      }
-      have_tiles[new_priority.priority_bin] = true;
-
-      last_tile = new_tile;
-
-      // On the second iteration, mark everything as ready to draw (solid
-      // color).
-      if (i == 1) {
-        TileDrawInfo& draw_info = last_tile->draw_info();
-        draw_info.SetSolidColorForTesting(SK_ColorRED);
-      }
-    }
-
-    EXPECT_GT(eventually_bin_order_correct_count,
-              eventually_bin_order_incorrect_count);
-
-    // We should have now and eventually tiles, as well as soon tiles from
-    // the border region.
-    EXPECT_TRUE(have_tiles[TilePriority::NOW]);
-    EXPECT_TRUE(have_tiles[TilePriority::SOON]);
-    EXPECT_TRUE(have_tiles[TilePriority::EVENTUALLY]);
-
-    EXPECT_EQ(unique_tiles.size(), all_tiles.size());
-  }
-}
-
-TEST(PictureLayerTilingTest, TilingRasterTileIteratorMovingViewport) {
-  FakePictureLayerTilingClient client;
-
-  gfx::Rect viewport(50, 0, 100, 100);
-  gfx::Rect moved_viewport(50, 0, 100, 500);
-  gfx::Size layer_bounds(1000, 1000);
-
-  client.SetTileSize(gfx::Size(30, 30));
-  client.set_tree(ACTIVE_TREE);
-  LayerTreeSettings settings;
-  settings.max_tiles_for_interest_area = 10000;
-
-  scoped_refptr<FakePicturePileImpl> pile =
-      FakePicturePileImpl::CreateFilledPileWithDefaultTileSize(layer_bounds);
-  scoped_ptr<TestablePictureLayerTiling> tiling =
-      TestablePictureLayerTiling::Create(1.f, pile, &client, settings);
-  tiling->ComputeTilePriorityRects(viewport, 1.0f, 1.0, Occlusion());
-  tiling->ComputeTilePriorityRects(moved_viewport, 1.0f, 2.0, Occlusion());
-  tiling->UpdateAllTilePrioritiesForTesting();
-
-  gfx::Rect soon_rect = moved_viewport;
-  soon_rect.Inset(-312.f, -312.f, -312.f, -312.f);
-
-  // There are 3 bins in TilePriority.
-  bool have_tiles[3] = {};
-  Tile* last_tile = NULL;
-  int eventually_bin_order_correct_count = 0;
-  int eventually_bin_order_incorrect_count = 0;
-  for (PictureLayerTiling::TilingRasterTileIterator it(tiling.get()); it;
-       ++it) {
-    if (!last_tile)
-      last_tile = *it;
-
-    Tile* new_tile = *it;
-
-    TilePriority last_priority = last_tile->priority(ACTIVE_TREE);
-    TilePriority new_priority = new_tile->priority(ACTIVE_TREE);
-
-    have_tiles[new_priority.priority_bin] = true;
-
-    EXPECT_LE(last_priority.priority_bin, new_priority.priority_bin);
-    if (last_priority.priority_bin == new_priority.priority_bin) {
-      if (last_priority.priority_bin == TilePriority::EVENTUALLY) {
-        bool order_correct = last_priority.distance_to_visible <=
-                             new_priority.distance_to_visible;
-        eventually_bin_order_correct_count += order_correct;
-        eventually_bin_order_incorrect_count += !order_correct;
-      } else if (!soon_rect.Intersects(new_tile->content_rect()) &&
-                 !soon_rect.Intersects(last_tile->content_rect())) {
-        EXPECT_LE(last_priority.distance_to_visible,
-                  new_priority.distance_to_visible);
-      } else if (new_priority.distance_to_visible > 0.f) {
-        EXPECT_EQ(TilePriority::SOON, new_priority.priority_bin);
-      }
-    }
-    last_tile = new_tile;
-  }
-
-  EXPECT_GT(eventually_bin_order_correct_count,
-            eventually_bin_order_incorrect_count);
-
-  EXPECT_TRUE(have_tiles[TilePriority::NOW]);
-  EXPECT_TRUE(have_tiles[TilePriority::SOON]);
-  EXPECT_TRUE(have_tiles[TilePriority::EVENTUALLY]);
-}
-
 static void TileExists(bool exists, Tile* tile,
                        const gfx::Rect& geometry_rect) {
   EXPECT_EQ(exists, tile != NULL) << geometry_rect.ToString();
 }
 
 TEST_F(PictureLayerTilingIteratorTest, TilesExist) {
   gfx::Size layer_bounds(1099, 801);
   Initialize(gfx::Size(100, 100), 1.f, layer_bounds);
   VerifyTilesExactlyCoverRect(1.f, gfx::Rect(layer_bounds));
   VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, false));
@@ skipping 788 matching lines @@
   tiling_->SetRasterSourceAndResize(pile);
 
   // Tile size in the tiling should be resized to 250x200.
   EXPECT_EQ(250, tiling_->TilingDataForTesting().max_texture_size().width());
   EXPECT_EQ(200, tiling_->TilingDataForTesting().max_texture_size().height());
   EXPECT_EQ(0u, tiling_->AllRefTilesForTesting().size());
 }
 
 }  // namespace
 }  // namespace cc