| // 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 <stddef.h> |
| |
| #include <limits> |
| #include <set> |
| |
| #include "base/macros.h" |
| #include "cc/base/math_util.h" |
| #include "cc/test/fake_display_list_raster_source.h" |
| #include "cc/test/fake_output_surface.h" |
| #include "cc/test/fake_output_surface_client.h" |
| #include "cc/test/fake_picture_layer_tiling_client.h" |
| #include "cc/test/test_context_provider.h" |
| #include "cc/test/test_shared_bitmap_manager.h" |
| #include "cc/tiles/picture_layer_tiling.h" |
| #include "cc/tiles/picture_layer_tiling_set.h" |
| #include "cc/trees/layer_tree_settings.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/geometry/quad_f.h" |
| #include "ui/gfx/geometry/rect_conversions.h" |
| #include "ui/gfx/geometry/size_conversions.h" |
| |
| namespace cc { |
| namespace { |
| |
| static gfx::Rect ViewportInLayerSpace( |
| const gfx::Transform& transform, |
| const gfx::Size& device_viewport) { |
| |
| gfx::Transform inverse; |
| if (!transform.GetInverse(&inverse)) |
| return gfx::Rect(); |
| |
| return MathUtil::ProjectEnclosingClippedRect(inverse, |
| gfx::Rect(device_viewport)); |
| } |
| |
| class TestablePictureLayerTiling : public PictureLayerTiling { |
| public: |
| using PictureLayerTiling::SetLiveTilesRect; |
| using PictureLayerTiling::TileAt; |
| |
| static scoped_ptr<TestablePictureLayerTiling> Create( |
| WhichTree tree, |
| float contents_scale, |
| scoped_refptr<DisplayListRasterSource> raster_source, |
| PictureLayerTilingClient* client, |
| const LayerTreeSettings& settings) { |
| return make_scoped_ptr(new TestablePictureLayerTiling( |
| tree, contents_scale, raster_source, client, |
| settings.tiling_interest_area_padding, |
| settings.skewport_target_time_in_seconds, |
| settings.skewport_extrapolation_limit_in_content_pixels)); |
| } |
| |
| gfx::Rect live_tiles_rect() const { return live_tiles_rect_; } |
| |
| using PictureLayerTiling::ComputeSkewport; |
| using PictureLayerTiling::RemoveTileAt; |
| using PictureLayerTiling::RemoveTilesInRegion; |
| |
| protected: |
| TestablePictureLayerTiling( |
| WhichTree tree, |
| float contents_scale, |
| scoped_refptr<DisplayListRasterSource> raster_source, |
| PictureLayerTilingClient* client, |
| size_t tiling_interest_area_padding, |
| float skewport_target_time, |
| int skewport_extrapolation_limit) |
| : PictureLayerTiling(tree, |
| contents_scale, |
| raster_source, |
| client, |
| tiling_interest_area_padding, |
| skewport_target_time, |
| skewport_extrapolation_limit) {} |
| }; |
| |
| class PictureLayerTilingIteratorTest : public testing::Test { |
| public: |
| PictureLayerTilingIteratorTest() {} |
| ~PictureLayerTilingIteratorTest() override {} |
| |
| void Initialize(const gfx::Size& tile_size, |
| float contents_scale, |
| const gfx::Size& layer_bounds) { |
| client_.SetTileSize(tile_size); |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| tiling_ = TestablePictureLayerTiling::Create(PENDING_TREE, contents_scale, |
| raster_source, &client_, |
| LayerTreeSettings()); |
| tiling_->set_resolution(HIGH_RESOLUTION); |
| } |
| |
| void InitializeActive(const gfx::Size& tile_size, |
| float contents_scale, |
| const gfx::Size& layer_bounds) { |
| client_.SetTileSize(tile_size); |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| tiling_ = TestablePictureLayerTiling::Create(ACTIVE_TREE, contents_scale, |
| raster_source, &client_, |
| LayerTreeSettings()); |
| tiling_->set_resolution(HIGH_RESOLUTION); |
| } |
| |
| void SetLiveRectAndVerifyTiles(const gfx::Rect& live_tiles_rect) { |
| tiling_->SetLiveTilesRect(live_tiles_rect); |
| |
| std::vector<Tile*> tiles = tiling_->AllTilesForTesting(); |
| for (std::vector<Tile*>::iterator iter = tiles.begin(); |
| iter != tiles.end(); |
| ++iter) { |
| EXPECT_TRUE(live_tiles_rect.Intersects((*iter)->content_rect())); |
| } |
| } |
| |
| void VerifyTilesExactlyCoverRect( |
| float rect_scale, |
| const gfx::Rect& request_rect, |
| const gfx::Rect& expect_rect) { |
| EXPECT_TRUE(request_rect.Contains(expect_rect)); |
| |
| // Iterators are not valid if this ratio is too large (i.e. the |
| // tiling is too high-res for a low-res destination rect.) This is an |
| // artifact of snapping geometry to integer coordinates and then mapping |
| // back to floating point texture coordinates. |
| float dest_to_contents_scale = tiling_->contents_scale() / rect_scale; |
| ASSERT_LE(dest_to_contents_scale, 2.0); |
| |
| Region remaining = expect_rect; |
| for (PictureLayerTiling::CoverageIterator |
| iter(tiling_.get(), rect_scale, request_rect); |
| iter; |
| ++iter) { |
| // Geometry cannot overlap previous geometry at all |
| gfx::Rect geometry = iter.geometry_rect(); |
| EXPECT_TRUE(expect_rect.Contains(geometry)); |
| EXPECT_TRUE(remaining.Contains(geometry)); |
| remaining.Subtract(geometry); |
| |
| // Sanity check that texture coords are within the texture rect. |
| gfx::RectF texture_rect = iter.texture_rect(); |
| EXPECT_GE(texture_rect.x(), 0); |
| EXPECT_GE(texture_rect.y(), 0); |
| EXPECT_LE(texture_rect.right(), client_.TileSize().width()); |
| EXPECT_LE(texture_rect.bottom(), client_.TileSize().height()); |
| } |
| |
| // The entire rect must be filled by geometry from the tiling. |
| EXPECT_TRUE(remaining.IsEmpty()); |
| } |
| |
| void VerifyTilesExactlyCoverRect(float rect_scale, const gfx::Rect& rect) { |
| VerifyTilesExactlyCoverRect(rect_scale, rect, rect); |
| } |
| |
| void VerifyTiles( |
| float rect_scale, |
| const gfx::Rect& rect, |
| base::Callback<void(Tile* tile, |
| const gfx::Rect& geometry_rect)> callback) { |
| VerifyTiles(tiling_.get(), |
| rect_scale, |
| rect, |
| callback); |
| } |
| |
| void VerifyTiles( |
| PictureLayerTiling* tiling, |
| float rect_scale, |
| const gfx::Rect& rect, |
| base::Callback<void(Tile* tile, |
| const gfx::Rect& geometry_rect)> callback) { |
| Region remaining = rect; |
| for (PictureLayerTiling::CoverageIterator iter(tiling, rect_scale, rect); |
| iter; |
| ++iter) { |
| remaining.Subtract(iter.geometry_rect()); |
| callback.Run(*iter, iter.geometry_rect()); |
| } |
| EXPECT_TRUE(remaining.IsEmpty()); |
| } |
| |
| void VerifyTilesCoverNonContainedRect(float rect_scale, |
| const gfx::Rect& dest_rect) { |
| float dest_to_contents_scale = tiling_->contents_scale() / rect_scale; |
| gfx::Rect clamped_rect = gfx::ScaleToEnclosingRect( |
| gfx::Rect(tiling_->tiling_size()), 1.f / dest_to_contents_scale); |
| clamped_rect.Intersect(dest_rect); |
| VerifyTilesExactlyCoverRect(rect_scale, dest_rect, clamped_rect); |
| } |
| |
| protected: |
| FakePictureLayerTilingClient client_; |
| scoped_ptr<TestablePictureLayerTiling> tiling_; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(PictureLayerTilingIteratorTest); |
| }; |
| |
| TEST_F(PictureLayerTilingIteratorTest, ResizeDeletesTiles) { |
| // Verifies that a resize with invalidation for newly exposed pixels will |
| // deletes tiles that intersect that invalidation. |
| gfx::Size tile_size(100, 100); |
| gfx::Size original_layer_size(10, 10); |
| InitializeActive(tile_size, 1.f, original_layer_size); |
| SetLiveRectAndVerifyTiles(gfx::Rect(original_layer_size)); |
| |
| // Tiling only has one tile, since its total size is less than one. |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| |
| // Stop creating tiles so that any invalidations are left as holes. |
| gfx::Size new_layer_size(200, 200); |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreatePartiallyFilled(new_layer_size, |
| gfx::Rect()); |
| |
| Region invalidation = |
| SubtractRegions(gfx::Rect(tile_size), gfx::Rect(original_layer_size)); |
| tiling_->SetRasterSourceAndResize(raster_source); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| tiling_->Invalidate(invalidation); |
| EXPECT_FALSE(tiling_->TileAt(0, 0)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, CreateMissingTilesStaysInsideLiveRect) { |
| // The tiling has three rows and columns. |
| Initialize(gfx::Size(100, 100), 1.f, gfx::Size(250, 250)); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_x()); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_y()); |
| |
| // The live tiles rect is at the very edge of the right-most and |
| // bottom-most tiles. Their border pixels would still be inside the live |
| // tiles rect, but the tiles should not exist just for that. |
| int right = tiling_->TilingDataForTesting().TileBounds(2, 2).x(); |
| int bottom = tiling_->TilingDataForTesting().TileBounds(2, 2).y(); |
| |
| SetLiveRectAndVerifyTiles(gfx::Rect(right, bottom)); |
| EXPECT_FALSE(tiling_->TileAt(2, 0)); |
| EXPECT_FALSE(tiling_->TileAt(2, 1)); |
| EXPECT_FALSE(tiling_->TileAt(2, 2)); |
| EXPECT_FALSE(tiling_->TileAt(1, 2)); |
| EXPECT_FALSE(tiling_->TileAt(0, 2)); |
| |
| // Verify CreateMissingTilesInLiveTilesRect respects this. |
| tiling_->CreateMissingTilesInLiveTilesRect(); |
| EXPECT_FALSE(tiling_->TileAt(2, 0)); |
| EXPECT_FALSE(tiling_->TileAt(2, 1)); |
| EXPECT_FALSE(tiling_->TileAt(2, 2)); |
| EXPECT_FALSE(tiling_->TileAt(1, 2)); |
| EXPECT_FALSE(tiling_->TileAt(0, 2)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, ResizeTilingOverTileBorders) { |
| // The tiling has four rows and three columns. |
| Initialize(gfx::Size(100, 100), 1.f, gfx::Size(250, 350)); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_x()); |
| EXPECT_EQ(4, tiling_->TilingDataForTesting().num_tiles_y()); |
| |
| // The live tiles rect covers the whole tiling. |
| SetLiveRectAndVerifyTiles(gfx::Rect(250, 350)); |
| |
| // Tiles in the bottom row and right column exist. |
| EXPECT_TRUE(tiling_->TileAt(2, 0)); |
| EXPECT_TRUE(tiling_->TileAt(2, 1)); |
| EXPECT_TRUE(tiling_->TileAt(2, 2)); |
| EXPECT_TRUE(tiling_->TileAt(2, 3)); |
| EXPECT_TRUE(tiling_->TileAt(1, 3)); |
| EXPECT_TRUE(tiling_->TileAt(0, 3)); |
| |
| int right = tiling_->TilingDataForTesting().TileBounds(2, 2).x(); |
| int bottom = tiling_->TilingDataForTesting().TileBounds(2, 3).y(); |
| |
| // Shrink the tiling so that the last tile row/column is entirely in the |
| // border pixels of the interior tiles. That row/column is removed. |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled( |
| gfx::Size(right + 1, bottom + 1)); |
| tiling_->SetRasterSourceAndResize(raster_source); |
| EXPECT_EQ(2, tiling_->TilingDataForTesting().num_tiles_x()); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_y()); |
| |
| // The live tiles rect was clamped to the raster source size. |
| EXPECT_EQ(gfx::Rect(right + 1, bottom + 1), tiling_->live_tiles_rect()); |
| |
| // Since the row/column is gone, the tiles should be gone too. |
| EXPECT_FALSE(tiling_->TileAt(2, 0)); |
| EXPECT_FALSE(tiling_->TileAt(2, 1)); |
| EXPECT_FALSE(tiling_->TileAt(2, 2)); |
| EXPECT_FALSE(tiling_->TileAt(2, 3)); |
| EXPECT_FALSE(tiling_->TileAt(1, 3)); |
| EXPECT_FALSE(tiling_->TileAt(0, 3)); |
| |
| // Growing outside the current right/bottom tiles border pixels should create |
| // the tiles again, even though the live rect has not changed size. |
| raster_source = FakeDisplayListRasterSource::CreateFilled( |
| gfx::Size(right + 2, bottom + 2)); |
| tiling_->SetRasterSourceAndResize(raster_source); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_x()); |
| EXPECT_EQ(4, tiling_->TilingDataForTesting().num_tiles_y()); |
| |
| // Not changed. |
| EXPECT_EQ(gfx::Rect(right + 1, bottom + 1), tiling_->live_tiles_rect()); |
| |
| // The last row/column tiles are inside the live tiles rect. |
| EXPECT_TRUE(gfx::Rect(right + 1, bottom + 1).Intersects( |
| tiling_->TilingDataForTesting().TileBounds(2, 0))); |
| EXPECT_TRUE(gfx::Rect(right + 1, bottom + 1).Intersects( |
| tiling_->TilingDataForTesting().TileBounds(0, 3))); |
| |
| EXPECT_TRUE(tiling_->TileAt(2, 0)); |
| EXPECT_TRUE(tiling_->TileAt(2, 1)); |
| EXPECT_TRUE(tiling_->TileAt(2, 2)); |
| EXPECT_TRUE(tiling_->TileAt(2, 3)); |
| EXPECT_TRUE(tiling_->TileAt(1, 3)); |
| EXPECT_TRUE(tiling_->TileAt(0, 3)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, ResizeLiveTileRectOverTileBorders) { |
| // The tiling has three rows and columns. |
| Initialize(gfx::Size(100, 100), 1.f, gfx::Size(250, 350)); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_x()); |
| EXPECT_EQ(4, tiling_->TilingDataForTesting().num_tiles_y()); |
| |
| // The live tiles rect covers the whole tiling. |
| SetLiveRectAndVerifyTiles(gfx::Rect(250, 350)); |
| |
| // Tiles in the bottom row and right column exist. |
| EXPECT_TRUE(tiling_->TileAt(2, 0)); |
| EXPECT_TRUE(tiling_->TileAt(2, 1)); |
| EXPECT_TRUE(tiling_->TileAt(2, 2)); |
| EXPECT_TRUE(tiling_->TileAt(2, 3)); |
| EXPECT_TRUE(tiling_->TileAt(1, 3)); |
| EXPECT_TRUE(tiling_->TileAt(0, 3)); |
| |
| // Shrink the live tiles rect to the very edge of the right-most and |
| // bottom-most tiles. Their border pixels would still be inside the live |
| // tiles rect, but the tiles should not exist just for that. |
| int right = tiling_->TilingDataForTesting().TileBounds(2, 3).x(); |
| int bottom = tiling_->TilingDataForTesting().TileBounds(2, 3).y(); |
| |
| SetLiveRectAndVerifyTiles(gfx::Rect(right, bottom)); |
| EXPECT_FALSE(tiling_->TileAt(2, 0)); |
| EXPECT_FALSE(tiling_->TileAt(2, 1)); |
| EXPECT_FALSE(tiling_->TileAt(2, 2)); |
| EXPECT_FALSE(tiling_->TileAt(2, 3)); |
| EXPECT_FALSE(tiling_->TileAt(1, 3)); |
| EXPECT_FALSE(tiling_->TileAt(0, 3)); |
| |
| // Including the bottom row and right column again, should create the tiles. |
| SetLiveRectAndVerifyTiles(gfx::Rect(right + 1, bottom + 1)); |
| EXPECT_TRUE(tiling_->TileAt(2, 0)); |
| EXPECT_TRUE(tiling_->TileAt(2, 1)); |
| EXPECT_TRUE(tiling_->TileAt(2, 2)); |
| EXPECT_TRUE(tiling_->TileAt(2, 3)); |
| EXPECT_TRUE(tiling_->TileAt(1, 2)); |
| EXPECT_TRUE(tiling_->TileAt(0, 2)); |
| |
| // Shrink the live tiles rect to the very edge of the left-most and |
| // top-most tiles. Their border pixels would still be inside the live |
| // tiles rect, but the tiles should not exist just for that. |
| int left = tiling_->TilingDataForTesting().TileBounds(0, 0).right(); |
| int top = tiling_->TilingDataForTesting().TileBounds(0, 0).bottom(); |
| |
| SetLiveRectAndVerifyTiles(gfx::Rect(left, top, 250 - left, 350 - top)); |
| EXPECT_FALSE(tiling_->TileAt(0, 3)); |
| EXPECT_FALSE(tiling_->TileAt(0, 2)); |
| EXPECT_FALSE(tiling_->TileAt(0, 1)); |
| EXPECT_FALSE(tiling_->TileAt(0, 0)); |
| EXPECT_FALSE(tiling_->TileAt(1, 0)); |
| EXPECT_FALSE(tiling_->TileAt(2, 0)); |
| |
| // Including the top row and left column again, should create the tiles. |
| SetLiveRectAndVerifyTiles( |
| gfx::Rect(left - 1, top - 1, 250 - left, 350 - top)); |
| EXPECT_TRUE(tiling_->TileAt(0, 3)); |
| EXPECT_TRUE(tiling_->TileAt(0, 2)); |
| EXPECT_TRUE(tiling_->TileAt(0, 1)); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| EXPECT_TRUE(tiling_->TileAt(1, 0)); |
| EXPECT_TRUE(tiling_->TileAt(2, 0)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, ResizeLiveTileRectOverSameTiles) { |
| // The tiling has four rows and three columns. |
| Initialize(gfx::Size(100, 100), 1.f, gfx::Size(250, 350)); |
| EXPECT_EQ(3, tiling_->TilingDataForTesting().num_tiles_x()); |
| EXPECT_EQ(4, tiling_->TilingDataForTesting().num_tiles_y()); |
| |
| // The live tiles rect covers the whole tiling. |
| SetLiveRectAndVerifyTiles(gfx::Rect(250, 350)); |
| |
| // All tiles exist. |
| for (int i = 0; i < 3; ++i) { |
| for (int j = 0; j < 4; ++j) |
| EXPECT_TRUE(tiling_->TileAt(i, j)) << i << "," << j; |
| } |
| |
| // Shrink the live tiles rect, but still cover all the tiles. |
| SetLiveRectAndVerifyTiles(gfx::Rect(1, 1, 249, 349)); |
| |
| // All tiles still exist. |
| for (int i = 0; i < 3; ++i) { |
| for (int j = 0; j < 4; ++j) |
| EXPECT_TRUE(tiling_->TileAt(i, j)) << i << "," << j; |
| } |
| |
| // Grow the live tiles rect, but still cover all the same tiles. |
| SetLiveRectAndVerifyTiles(gfx::Rect(0, 0, 250, 350)); |
| |
| // All tiles still exist. |
| for (int i = 0; i < 3; ++i) { |
| for (int j = 0; j < 4; ++j) |
| EXPECT_TRUE(tiling_->TileAt(i, j)) << i << "," << j; |
| } |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, ResizeOverBorderPixelsDeletesTiles) { |
| // Verifies that a resize with invalidation for newly exposed pixels will |
| // deletes tiles that intersect that invalidation. |
| gfx::Size tile_size(100, 100); |
| gfx::Size original_layer_size(99, 99); |
| InitializeActive(tile_size, 1.f, original_layer_size); |
| SetLiveRectAndVerifyTiles(gfx::Rect(original_layer_size)); |
| |
| // Tiling only has one tile, since its total size is less than one. |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| |
| // Stop creating tiles so that any invalidations are left as holes. |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreatePartiallyFilled(gfx::Size(200, 200), |
| gfx::Rect()); |
| tiling_->SetRasterSourceAndResize(raster_source); |
| |
| Region invalidation = |
| SubtractRegions(gfx::Rect(tile_size), gfx::Rect(original_layer_size)); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| tiling_->Invalidate(invalidation); |
| EXPECT_FALSE(tiling_->TileAt(0, 0)); |
| |
| // The original tile was the same size after resize, but it would include new |
| // border pixels. |
| EXPECT_EQ(gfx::Rect(original_layer_size), |
| tiling_->TilingDataForTesting().TileBounds(0, 0)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, RemoveOutsideLayerKeepsTiles) { |
| gfx::Size tile_size(100, 100); |
| gfx::Size layer_size(100, 100); |
| InitializeActive(tile_size, 1.f, layer_size); |
| SetLiveRectAndVerifyTiles(gfx::Rect(layer_size)); |
| |
| // In all cases here, the tiling should remain with one tile, since the remove |
| // region doesn't intersect it. |
| |
| bool recreate_tiles = false; |
| // Top |
| tiling_->RemoveTilesInRegion(gfx::Rect(50, -1, 1, 1), recreate_tiles); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| // Bottom |
| tiling_->RemoveTilesInRegion(gfx::Rect(50, 100, 1, 1), recreate_tiles); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| // Left |
| tiling_->RemoveTilesInRegion(gfx::Rect(-1, 50, 1, 1), recreate_tiles); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| // Right |
| tiling_->RemoveTilesInRegion(gfx::Rect(100, 50, 1, 1), recreate_tiles); |
| EXPECT_TRUE(tiling_->TileAt(0, 0)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, LiveTilesExactlyCoverLiveTileRect) { |
| Initialize(gfx::Size(100, 100), 1.f, gfx::Size(1099, 801)); |
| SetLiveRectAndVerifyTiles(gfx::Rect(100, 100)); |
| SetLiveRectAndVerifyTiles(gfx::Rect(101, 99)); |
| SetLiveRectAndVerifyTiles(gfx::Rect(1099, 1)); |
| SetLiveRectAndVerifyTiles(gfx::Rect(1, 801)); |
| SetLiveRectAndVerifyTiles(gfx::Rect(1099, 1)); |
| SetLiveRectAndVerifyTiles(gfx::Rect(201, 800)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, IteratorCoversLayerBoundsNoScale) { |
| Initialize(gfx::Size(100, 100), 1.f, gfx::Size(1099, 801)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect()); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1099, 801)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(52, 83, 789, 412)); |
| |
| // With borders, a size of 3x3 = 1 pixel of content. |
| Initialize(gfx::Size(3, 3), 1.f, gfx::Size(10, 10)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1, 1)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 2, 2)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(1, 1, 2, 2)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(3, 2, 5, 2)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, IteratorCoversLayerBoundsTilingScale) { |
| Initialize(gfx::Size(200, 100), 2.0f, gfx::Size(1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect()); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(50, 112, 512, 381)); |
| |
| Initialize(gfx::Size(3, 3), 2.0f, gfx::Size(10, 10)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect()); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1, 1)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 2, 2)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(1, 1, 2, 2)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(3, 2, 5, 2)); |
| |
| Initialize(gfx::Size(100, 200), 0.5f, gfx::Size(1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(50, 112, 512, 381)); |
| |
| Initialize(gfx::Size(150, 250), 0.37f, gfx::Size(1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(50, 112, 512, 381)); |
| |
| Initialize(gfx::Size(312, 123), 0.01f, gfx::Size(1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(0, 0, 1005, 2010)); |
| VerifyTilesExactlyCoverRect(1, gfx::Rect(50, 112, 512, 381)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, IteratorCoversLayerBoundsBothScale) { |
| Initialize(gfx::Size(50, 50), 4.0f, gfx::Size(800, 600)); |
| VerifyTilesExactlyCoverRect(2.0f, gfx::Rect()); |
| VerifyTilesExactlyCoverRect(2.0f, gfx::Rect(0, 0, 1600, 1200)); |
| VerifyTilesExactlyCoverRect(2.0f, gfx::Rect(512, 365, 253, 182)); |
| |
| float scale = 6.7f; |
| gfx::Size bounds(800, 600); |
| gfx::Rect full_rect(gfx::ScaleToCeiledSize(bounds, scale)); |
| Initialize(gfx::Size(256, 512), 5.2f, bounds); |
| VerifyTilesExactlyCoverRect(scale, full_rect); |
| VerifyTilesExactlyCoverRect(scale, gfx::Rect(2014, 1579, 867, 1033)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, IteratorEmptyRect) { |
| Initialize(gfx::Size(100, 100), 1.0f, gfx::Size(800, 600)); |
| |
| gfx::Rect empty; |
| PictureLayerTiling::CoverageIterator iter(tiling_.get(), 1.0f, empty); |
| EXPECT_FALSE(iter); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, NonIntersectingRect) { |
| Initialize(gfx::Size(100, 100), 1.0f, gfx::Size(800, 600)); |
| gfx::Rect non_intersecting(1000, 1000, 50, 50); |
| PictureLayerTiling::CoverageIterator iter(tiling_.get(), 1, non_intersecting); |
| EXPECT_FALSE(iter); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, LayerEdgeTextureCoordinates) { |
| Initialize(gfx::Size(300, 300), 1.0f, gfx::Size(256, 256)); |
| // All of these sizes are 256x256, scaled and ceiled. |
| VerifyTilesExactlyCoverRect(1.0f, gfx::Rect(0, 0, 256, 256)); |
| VerifyTilesExactlyCoverRect(0.8f, gfx::Rect(0, 0, 205, 205)); |
| VerifyTilesExactlyCoverRect(1.2f, gfx::Rect(0, 0, 308, 308)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, NonContainedDestRect) { |
| Initialize(gfx::Size(100, 100), 1.0f, gfx::Size(400, 400)); |
| |
| // Too large in all dimensions |
| VerifyTilesCoverNonContainedRect(1.0f, gfx::Rect(-1000, -1000, 2000, 2000)); |
| VerifyTilesCoverNonContainedRect(1.5f, gfx::Rect(-1000, -1000, 2000, 2000)); |
| VerifyTilesCoverNonContainedRect(0.5f, gfx::Rect(-1000, -1000, 2000, 2000)); |
| |
| // Partially covering content, but too large |
| VerifyTilesCoverNonContainedRect(1.0f, gfx::Rect(-1000, 100, 2000, 100)); |
| VerifyTilesCoverNonContainedRect(1.5f, gfx::Rect(-1000, 100, 2000, 100)); |
| VerifyTilesCoverNonContainedRect(0.5f, gfx::Rect(-1000, 100, 2000, 100)); |
| } |
| |
| TEST(PictureLayerTilingTest, SkewportLimits) { |
| FakePictureLayerTilingClient client; |
| |
| gfx::Rect viewport(0, 0, 100, 100); |
| gfx::Size layer_bounds(200, 200); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| LayerTreeSettings settings; |
| settings.skewport_extrapolation_limit_in_content_pixels = 75; |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, settings); |
| |
| tiling->ComputeTilePriorityRects(viewport, 1.f, 1.0, Occlusion()); |
| |
| // Move viewport down 50 pixels in 0.5 seconds. |
| gfx::Rect down_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(0, 50, 100, 100)); |
| |
| EXPECT_EQ(0, down_skewport.x()); |
| EXPECT_EQ(50, down_skewport.y()); |
| EXPECT_EQ(100, down_skewport.width()); |
| EXPECT_EQ(175, down_skewport.height()); |
| EXPECT_TRUE(down_skewport.Contains(gfx::Rect(0, 50, 100, 100))); |
| |
| // Move viewport down 50 and right 10 pixels. |
| gfx::Rect down_right_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(10, 50, 100, 100)); |
| |
| EXPECT_EQ(10, down_right_skewport.x()); |
| EXPECT_EQ(50, down_right_skewport.y()); |
| EXPECT_EQ(120, down_right_skewport.width()); |
| EXPECT_EQ(175, down_right_skewport.height()); |
| EXPECT_TRUE(down_right_skewport.Contains(gfx::Rect(10, 50, 100, 100))); |
| |
| // Move viewport left. |
| gfx::Rect left_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(-50, 0, 100, 100)); |
| |
| EXPECT_EQ(-125, left_skewport.x()); |
| EXPECT_EQ(0, left_skewport.y()); |
| EXPECT_EQ(175, left_skewport.width()); |
| EXPECT_EQ(100, left_skewport.height()); |
| EXPECT_TRUE(left_skewport.Contains(gfx::Rect(-50, 0, 100, 100))); |
| |
| // Expand viewport. |
| gfx::Rect expand_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(-50, -50, 200, 200)); |
| |
| // x and y moved by -75 (-50 - 75 = -125). |
| // right side and bottom side moved by 75 [(350 - 125) - (200 - 50) = 75]. |
| EXPECT_EQ(-125, expand_skewport.x()); |
| EXPECT_EQ(-125, expand_skewport.y()); |
| EXPECT_EQ(350, expand_skewport.width()); |
| EXPECT_EQ(350, expand_skewport.height()); |
| EXPECT_TRUE(expand_skewport.Contains(gfx::Rect(-50, -50, 200, 200))); |
| |
| // Expand the viewport past the limit in all directions. |
| gfx::Rect big_expand_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(-500, -500, 1500, 1500)); |
| |
| EXPECT_EQ(-575, big_expand_skewport.x()); |
| EXPECT_EQ(-575, big_expand_skewport.y()); |
| EXPECT_EQ(1650, big_expand_skewport.width()); |
| EXPECT_EQ(1650, big_expand_skewport.height()); |
| EXPECT_TRUE(big_expand_skewport.Contains(gfx::Rect(-500, -500, 1500, 1500))); |
| |
| // Shrink the skewport in all directions. |
| gfx::Rect shrink_viewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(0, 0, 100, 100)); |
| EXPECT_EQ(0, shrink_viewport.x()); |
| EXPECT_EQ(0, shrink_viewport.y()); |
| EXPECT_EQ(100, shrink_viewport.width()); |
| EXPECT_EQ(100, shrink_viewport.height()); |
| |
| // Move the skewport really far in one direction. |
| gfx::Rect move_skewport_far = |
| tiling->ComputeSkewport(1.5, gfx::Rect(0, 5000, 100, 100)); |
| EXPECT_EQ(0, move_skewport_far.x()); |
| EXPECT_EQ(5000, move_skewport_far.y()); |
| EXPECT_EQ(100, move_skewport_far.width()); |
| EXPECT_EQ(175, move_skewport_far.height()); |
| EXPECT_TRUE(move_skewport_far.Contains(gfx::Rect(0, 5000, 100, 100))); |
| } |
| |
| TEST(PictureLayerTilingTest, ComputeSkewportExtremeCases) { |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size layer_bounds(200, 200); |
| client.SetTileSize(gfx::Size(100, 100)); |
| LayerTreeSettings settings; |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, settings); |
| |
| gfx::Rect viewport1(-1918, 255860, 4010, 2356); |
| gfx::Rect viewport2(-7088, -91738, 14212, 8350); |
| gfx::Rect viewport3(-12730024, -158883296, 24607540, 14454512); |
| double time = 1.0; |
| tiling->ComputeTilePriorityRects(viewport1, 1.f, time, Occlusion()); |
| time += 0.016; |
| EXPECT_TRUE(tiling->ComputeSkewport(time, viewport2).Contains(viewport2)); |
| tiling->ComputeTilePriorityRects(viewport2, 1.f, time, Occlusion()); |
| time += 0.016; |
| EXPECT_TRUE(tiling->ComputeSkewport(time, viewport3).Contains(viewport3)); |
| |
| // Use a tiling with a large scale, so the viewport times the scale no longer |
| // fits into integers, and the viewport is not anywhere close to the tiling. |
| tiling = TestablePictureLayerTiling::Create(ACTIVE_TREE, 1000.0f, |
| raster_source, &client, settings); |
| tiling->ComputeTilePriorityRects(viewport3, 1.f, time, Occlusion()); |
| EXPECT_EQ(gfx::Rect(), tiling->GetCurrentVisibleRectForTesting()); |
| } |
| |
| TEST(PictureLayerTilingTest, ComputeSkewport) { |
| FakePictureLayerTilingClient client; |
| |
| gfx::Rect viewport(0, 0, 100, 100); |
| gfx::Size layer_bounds(200, 200); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| |
| tiling->ComputeTilePriorityRects(viewport, 1.f, 1.0, Occlusion()); |
| |
| // Move viewport down 50 pixels in 0.5 seconds. |
| gfx::Rect down_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(0, 50, 100, 100)); |
| |
| EXPECT_EQ(0, down_skewport.x()); |
| EXPECT_EQ(50, down_skewport.y()); |
| EXPECT_EQ(100, down_skewport.width()); |
| EXPECT_EQ(200, down_skewport.height()); |
| |
| // Shrink viewport. |
| gfx::Rect shrink_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(25, 25, 50, 50)); |
| |
| EXPECT_EQ(25, shrink_skewport.x()); |
| EXPECT_EQ(25, shrink_skewport.y()); |
| EXPECT_EQ(50, shrink_skewport.width()); |
| EXPECT_EQ(50, shrink_skewport.height()); |
| |
| // Move viewport down 50 and right 10 pixels. |
| gfx::Rect down_right_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(10, 50, 100, 100)); |
| |
| EXPECT_EQ(10, down_right_skewport.x()); |
| EXPECT_EQ(50, down_right_skewport.y()); |
| EXPECT_EQ(120, down_right_skewport.width()); |
| EXPECT_EQ(200, down_right_skewport.height()); |
| |
| // Move viewport left. |
| gfx::Rect left_skewport = |
| tiling->ComputeSkewport(1.5, gfx::Rect(-20, 0, 100, 100)); |
| |
| EXPECT_EQ(-60, left_skewport.x()); |
| EXPECT_EQ(0, left_skewport.y()); |
| EXPECT_EQ(140, left_skewport.width()); |
| EXPECT_EQ(100, left_skewport.height()); |
| |
| // Expand viewport in 0.2 seconds. |
| gfx::Rect expanded_skewport = |
| tiling->ComputeSkewport(1.2, gfx::Rect(-5, -5, 110, 110)); |
| |
| EXPECT_EQ(-30, expanded_skewport.x()); |
| EXPECT_EQ(-30, expanded_skewport.y()); |
| EXPECT_EQ(160, expanded_skewport.width()); |
| EXPECT_EQ(160, expanded_skewport.height()); |
| } |
| |
| TEST(PictureLayerTilingTest, SkewportThroughUpdateTilePriorities) { |
| FakePictureLayerTilingClient client; |
| |
| gfx::Rect viewport(0, 0, 100, 100); |
| gfx::Size layer_bounds(200, 200); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| |
| tiling->ComputeTilePriorityRects(viewport, 1.f, 1.0, Occlusion()); |
| |
| // Move viewport down 50 pixels in 0.5 seconds. |
| gfx::Rect viewport_50 = gfx::Rect(0, 50, 100, 100); |
| gfx::Rect skewport_50 = tiling->ComputeSkewport(1.5, viewport_50); |
| |
| EXPECT_EQ(gfx::Rect(0, 50, 100, 200), skewport_50); |
| tiling->ComputeTilePriorityRects(viewport_50, 1.f, 1.5, Occlusion()); |
| |
| gfx::Rect viewport_100 = gfx::Rect(0, 100, 100, 100); |
| gfx::Rect skewport_100 = tiling->ComputeSkewport(2.0, viewport_100); |
| |
| EXPECT_EQ(gfx::Rect(0, 100, 100, 200), skewport_100); |
| tiling->ComputeTilePriorityRects(viewport_100, 1.f, 2.0, Occlusion()); |
| |
| // Advance time, but not the viewport. |
| gfx::Rect result = tiling->ComputeSkewport(2.5, viewport_100); |
| // Since the history did advance, we should still get a skewport but a smaller |
| // one. |
| EXPECT_EQ(gfx::Rect(0, 100, 100, 150), result); |
| tiling->ComputeTilePriorityRects(viewport_100, 1.f, 2.5, Occlusion()); |
| |
| // Advance time again. |
| result = tiling->ComputeSkewport(3.0, viewport_100); |
| EXPECT_EQ(viewport_100, result); |
| tiling->ComputeTilePriorityRects(viewport_100, 1.f, 3.0, Occlusion()); |
| |
| // Ensure we have a skewport. |
| gfx::Rect viewport_150 = gfx::Rect(0, 150, 100, 100); |
| gfx::Rect skewport_150 = tiling->ComputeSkewport(3.5, viewport_150); |
| EXPECT_EQ(gfx::Rect(0, 150, 100, 150), skewport_150); |
| tiling->ComputeTilePriorityRects(viewport_150, 1.f, 3.5, Occlusion()); |
| |
| // Advance the viewport, but not the time. |
| gfx::Rect viewport_200 = gfx::Rect(0, 200, 100, 100); |
| gfx::Rect skewport_200 = tiling->ComputeSkewport(3.5, viewport_200); |
| EXPECT_EQ(gfx::Rect(0, 200, 100, 300), skewport_200); |
| |
| // Ensure that continued calls with the same value, produce the same skewport. |
| tiling->ComputeTilePriorityRects(viewport_150, 1.f, 3.5, Occlusion()); |
| EXPECT_EQ(gfx::Rect(0, 200, 100, 300), skewport_200); |
| tiling->ComputeTilePriorityRects(viewport_150, 1.f, 3.5, Occlusion()); |
| EXPECT_EQ(gfx::Rect(0, 200, 100, 300), skewport_200); |
| |
| tiling->ComputeTilePriorityRects(viewport_200, 1.f, 3.5, Occlusion()); |
| |
| // This should never happen, but advance the viewport yet again keeping the |
| // time the same. |
| gfx::Rect viewport_250 = gfx::Rect(0, 250, 100, 100); |
| gfx::Rect skewport_250 = tiling->ComputeSkewport(3.5, viewport_250); |
| EXPECT_EQ(viewport_250, skewport_250); |
| tiling->ComputeTilePriorityRects(viewport_250, 1.f, 3.5, Occlusion()); |
| } |
| |
| TEST(PictureLayerTilingTest, ViewportDistanceWithScale) { |
| FakePictureLayerTilingClient client; |
| |
| gfx::Rect viewport(0, 0, 100, 100); |
| gfx::Size layer_bounds(1500, 1500); |
| |
| client.SetTileSize(gfx::Size(10, 10)); |
| LayerTreeSettings settings; |
| |
| // Tiling at 0.25 scale: this should create 47x47 tiles of size 10x10. |
| // The reason is that each tile has a one pixel border, so tile at (1, 2) |
| // for instance begins at (8, 16) pixels. So tile at (46, 46) will begin at |
| // (368, 368) and extend to the end of 1500 * 0.25 = 375 edge of the |
| // tiling. |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 0.25f, raster_source, |
| &client, settings); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| gfx::Rect viewport_in_content_space = |
| gfx::ScaleToEnclosedRect(viewport, 0.25f); |
| |
| tiling->ComputeTilePriorityRects(viewport, 1.f, 1.0, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| // Compute the soon border. |
| float inset = PictureLayerTiling::CalculateSoonBorderDistance( |
| viewport_in_content_space, 1.0f / 0.25f); |
| gfx::Rect soon_rect_in_content_space = viewport_in_content_space; |
| soon_rect_in_content_space.Inset(-inset, -inset); |
| |
| // Sanity checks. |
| for (int i = 0; i < 47; ++i) { |
| for (int j = 0; j < 47; ++j) { |
| EXPECT_TRUE(tiling->TileAt(i, j)) << "i: " << i << " j: " << j; |
| } |
| } |
| for (int i = 0; i < 47; ++i) { |
| EXPECT_FALSE(tiling->TileAt(i, 47)) << "i: " << i; |
| EXPECT_FALSE(tiling->TileAt(47, i)) << "i: " << i; |
| } |
| |
| // No movement in the viewport implies that tiles will either be NOW |
| // or EVENTUALLY, with the exception of tiles that are between 0 and 312 |
| // pixels away from the viewport, which will be in the SOON bin. |
| bool have_now = false; |
| bool have_eventually = false; |
| bool have_soon = false; |
| for (int i = 0; i < 47; ++i) { |
| for (int j = 0; j < 47; ++j) { |
| Tile* tile = tiling->TileAt(i, j); |
| PrioritizedTile prioritized_tile = prioritized_tiles[tile]; |
| TilePriority priority = prioritized_tile.priority(); |
| |
| gfx::Rect tile_rect = tiling->TilingDataForTesting().TileBounds(i, j); |
| if (viewport_in_content_space.Intersects(tile_rect)) { |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| have_now = true; |
| } else if (soon_rect_in_content_space.Intersects(tile_rect)) { |
| EXPECT_EQ(TilePriority::SOON, priority.priority_bin); |
| have_soon = true; |
| } else { |
| EXPECT_EQ(TilePriority::EVENTUALLY, priority.priority_bin); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| have_eventually = true; |
| } |
| } |
| } |
| |
| EXPECT_TRUE(have_now); |
| EXPECT_TRUE(have_soon); |
| EXPECT_TRUE(have_eventually); |
| |
| // Spot check some distances. |
| // Tile at 5, 1 should begin at 41x9 in content space (without borders), |
| // so the distance to a viewport that ends at 25x25 in content space |
| // should be 17 (41 - 25 + 1). In layer space, then that should be |
| // 17 / 0.25 = 68 pixels. |
| |
| // We can verify that the content rect (with borders) is one pixel off |
| // 41,9 8x8 on all sides. |
| EXPECT_EQ(tiling->TileAt(5, 1)->content_rect().ToString(), "40,8 10x10"); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(5, 1)].priority(); |
| EXPECT_FLOAT_EQ(68.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(2, 5)].priority(); |
| EXPECT_FLOAT_EQ(68.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(3, 4)].priority(); |
| EXPECT_FLOAT_EQ(40.f, priority.distance_to_visible); |
| |
| // Move the viewport down 40 pixels. |
| viewport = gfx::Rect(0, 40, 100, 100); |
| viewport_in_content_space = gfx::ScaleToEnclosedRect(viewport, 0.25f); |
| gfx::Rect skewport = tiling->ComputeSkewport(2.0, viewport_in_content_space); |
| |
| // Compute the soon border. |
| inset = PictureLayerTiling::CalculateSoonBorderDistance( |
| viewport_in_content_space, 1.0f / 0.25f); |
| soon_rect_in_content_space = viewport_in_content_space; |
| soon_rect_in_content_space.Inset(-inset, -inset); |
| |
| EXPECT_EQ(0, skewport.x()); |
| EXPECT_EQ(10, skewport.y()); |
| EXPECT_EQ(25, skewport.width()); |
| EXPECT_EQ(35, skewport.height()); |
| |
| tiling->ComputeTilePriorityRects(viewport, 1.f, 2.0, Occlusion()); |
| prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| have_now = false; |
| have_eventually = false; |
| have_soon = false; |
| |
| // Viewport moved, so we expect to find some NOW tiles, some SOON tiles and |
| // some EVENTUALLY tiles. |
| for (int i = 0; i < 47; ++i) { |
| for (int j = 0; j < 47; ++j) { |
| Tile* tile = tiling->TileAt(i, j); |
| TilePriority priority = prioritized_tiles[tile].priority(); |
| |
| gfx::Rect tile_rect = tiling->TilingDataForTesting().TileBounds(i, j); |
| if (viewport_in_content_space.Intersects(tile_rect)) { |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin) << "i: " << i |
| << " j: " << j; |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible) << "i: " << i |
| << " j: " << j; |
| have_now = true; |
| } else if (skewport.Intersects(tile_rect) || |
| soon_rect_in_content_space.Intersects(tile_rect)) { |
| EXPECT_EQ(TilePriority::SOON, priority.priority_bin) << "i: " << i |
| << " j: " << j; |
| EXPECT_GT(priority.distance_to_visible, 0.f) << "i: " << i |
| << " j: " << j; |
| have_soon = true; |
| } else { |
| EXPECT_EQ(TilePriority::EVENTUALLY, priority.priority_bin) |
| << "i: " << i << " j: " << j; |
| EXPECT_GT(priority.distance_to_visible, 0.f) << "i: " << i |
| << " j: " << j; |
| have_eventually = true; |
| } |
| } |
| } |
| |
| EXPECT_TRUE(have_now); |
| EXPECT_TRUE(have_soon); |
| EXPECT_TRUE(have_eventually); |
| |
| priority = prioritized_tiles[tiling->TileAt(5, 1)].priority(); |
| EXPECT_FLOAT_EQ(68.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(2, 5)].priority(); |
| EXPECT_FLOAT_EQ(28.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(3, 4)].priority(); |
| EXPECT_FLOAT_EQ(4.f, priority.distance_to_visible); |
| |
| // Change the underlying layer scale. |
| tiling->ComputeTilePriorityRects(viewport, 2.0f, 3.0, Occlusion()); |
| prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| priority = prioritized_tiles[tiling->TileAt(5, 1)].priority(); |
| EXPECT_FLOAT_EQ(136.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(2, 5)].priority(); |
| EXPECT_FLOAT_EQ(56.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(3, 4)].priority(); |
| EXPECT_FLOAT_EQ(8.f, priority.distance_to_visible); |
| |
| // Test additional scales. |
| tiling = TestablePictureLayerTiling::Create(ACTIVE_TREE, 0.2f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| tiling->ComputeTilePriorityRects(viewport, 1.0f, 4.0, Occlusion()); |
| prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| priority = prioritized_tiles[tiling->TileAt(5, 1)].priority(); |
| EXPECT_FLOAT_EQ(110.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(2, 5)].priority(); |
| EXPECT_FLOAT_EQ(70.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(3, 4)].priority(); |
| EXPECT_FLOAT_EQ(60.f, priority.distance_to_visible); |
| |
| tiling->ComputeTilePriorityRects(viewport, 0.5f, 5.0, Occlusion()); |
| prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| priority = prioritized_tiles[tiling->TileAt(5, 1)].priority(); |
| EXPECT_FLOAT_EQ(55.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(2, 5)].priority(); |
| EXPECT_FLOAT_EQ(35.f, priority.distance_to_visible); |
| |
| priority = prioritized_tiles[tiling->TileAt(3, 4)].priority(); |
| EXPECT_FLOAT_EQ(30.f, priority.distance_to_visible); |
| } |
| |
| 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)); |
| |
| tiling_->ComputeTilePriorityRects( |
| gfx::Rect(layer_bounds), // visible content rect |
| 1.f, // current contents scale |
| 1.0, // current frame time |
| Occlusion()); |
| VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, true)); |
| |
| // Make the viewport rect empty. All tiles are killed and become zombies. |
| tiling_->ComputeTilePriorityRects(gfx::Rect(), // visible content rect |
| 1.f, // current contents scale |
| 2.0, // current frame time |
| Occlusion()); |
| VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, false)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, TilesExistGiantViewport) { |
| 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)); |
| |
| gfx::Rect giant_rect(-10000000, -10000000, 1000000000, 1000000000); |
| |
| tiling_->ComputeTilePriorityRects( |
| gfx::Rect(layer_bounds), // visible content rect |
| 1.f, // current contents scale |
| 1.0, // current frame time |
| Occlusion()); |
| VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, true)); |
| |
| // If the visible content rect is empty, it should still have live tiles. |
| tiling_->ComputeTilePriorityRects(giant_rect, // visible content rect |
| 1.f, // current contents scale |
| 2.0, // current frame time |
| Occlusion()); |
| VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, true)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, TilesExistOutsideViewport) { |
| 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)); |
| |
| // This rect does not intersect with the layer, as the layer is outside the |
| // viewport. |
| gfx::Rect viewport_rect(1100, 0, 1000, 1000); |
| EXPECT_FALSE(viewport_rect.Intersects(gfx::Rect(layer_bounds))); |
| |
| tiling_->ComputeTilePriorityRects(viewport_rect, // visible content rect |
| 1.f, // current contents scale |
| 1.0, // current frame time |
| Occlusion()); |
| VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, true)); |
| } |
| |
| static void TilesIntersectingRectExist(const gfx::Rect& rect, |
| bool intersect_exists, |
| Tile* tile, |
| const gfx::Rect& geometry_rect) { |
| bool intersects = rect.Intersects(geometry_rect); |
| bool expected_exists = intersect_exists ? intersects : !intersects; |
| EXPECT_EQ(expected_exists, tile != NULL) |
| << "Rects intersecting " << rect.ToString() << " should exist. " |
| << "Current tile rect is " << geometry_rect.ToString(); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, |
| TilesExistLargeViewportAndLayerWithSmallVisibleArea) { |
| gfx::Size layer_bounds(10000, 10000); |
| client_.SetTileSize(gfx::Size(100, 100)); |
| LayerTreeSettings settings; |
| settings.tiling_interest_area_padding = 1; |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(layer_bounds); |
| tiling_ = TestablePictureLayerTiling::Create(PENDING_TREE, 1.f, raster_source, |
| &client_, settings); |
| tiling_->set_resolution(HIGH_RESOLUTION); |
| VerifyTilesExactlyCoverRect(1.f, gfx::Rect(layer_bounds)); |
| VerifyTiles(1.f, gfx::Rect(layer_bounds), base::Bind(&TileExists, false)); |
| |
| gfx::Rect visible_rect(8000, 8000, 50, 50); |
| |
| tiling_->ComputeTilePriorityRects(visible_rect, // visible content rect |
| 1.f, // current contents scale |
| 1.0, // current frame time |
| Occlusion()); |
| VerifyTiles(1.f, |
| gfx::Rect(layer_bounds), |
| base::Bind(&TilesIntersectingRectExist, visible_rect, true)); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, VisibleTiles) { |
| // The TilePriority of visible tiles should have zero distance_to_visible |
| // and time_to_visible. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform current_screen_transform; |
| double current_frame_time_in_seconds = 1.0; |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_FLOAT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_FLOAT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_FLOAT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_FLOAT_EQ(TilePriority::NOW, priority.priority_bin); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, OffscreenTiles) { |
| // The TilePriority of offscreen tiles (without movement) should have nonzero |
| // distance_to_visible and infinite time_to_visible. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double current_frame_time_in_seconds = 1.0; |
| |
| current_screen_transform.Translate(850, 0); |
| last_screen_transform = current_screen_transform; |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| // Furthermore, in this scenario tiles on the right hand side should have a |
| // larger distance to visible. |
| TilePriority left = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| TilePriority right = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_GT(right.distance_to_visible, left.distance_to_visible); |
| |
| left = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| right = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(right.distance_to_visible, left.distance_to_visible); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, PartiallyOffscreenLayer) { |
| // Sanity check that a layer with some tiles visible and others offscreen has |
| // correct TilePriorities for each tile. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double current_frame_time_in_seconds = 1.0; |
| |
| current_screen_transform.Translate(705, 505); |
| last_screen_transform = current_screen_transform; |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_FLOAT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, PartiallyOffscreenRotatedLayer) { |
| // Each tile of a layer may be affected differently by a transform; Check |
| // that ComputeTilePriorityRects correctly accounts for the transform between |
| // layer space and screen space. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double current_frame_time_in_seconds = 1.0; |
| |
| // A diagonally rotated layer that is partially off the bottom of the screen. |
| // In this configuration, only the top-left tile would be visible. |
| current_screen_transform.Translate(600, 750); |
| current_screen_transform.RotateAboutZAxis(45); |
| last_screen_transform = current_screen_transform; |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| // Furthermore, in this scenario the bottom-right tile should have the larger |
| // distance to visible. |
| TilePriority top_left = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| TilePriority top_right = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| TilePriority bottom_right = |
| prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(top_right.distance_to_visible, top_left.distance_to_visible); |
| |
| EXPECT_EQ(bottom_right.distance_to_visible, top_right.distance_to_visible); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, PerspectiveLayer) { |
| // Perspective transforms need to take a different code path. |
| // This test checks tile priorities of a perspective layer. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Rect visible_layer_rect(0, 0, 0, 0); // offscreen. |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double current_frame_time_in_seconds = 1.0; |
| |
| // A 3d perspective layer rotated about its Y axis, translated to almost |
| // fully offscreen. The left side will appear closer (i.e. larger in 2d) than |
| // the right side, so the top-left tile will technically be closer than the |
| // top-right. |
| |
| // Translate layer to offscreen |
| current_screen_transform.Translate(400.0, 630.0); |
| // Apply perspective about the center of the layer |
| current_screen_transform.Translate(100.0, 100.0); |
| current_screen_transform.ApplyPerspectiveDepth(100.0); |
| current_screen_transform.RotateAboutYAxis(10.0); |
| current_screen_transform.Translate(-100.0, -100.0); |
| last_screen_transform = current_screen_transform; |
| |
| // Sanity check that this transform wouldn't cause w<0 clipping. |
| bool clipped; |
| MathUtil::MapQuad(current_screen_transform, |
| gfx::QuadF(gfx::RectF(0, 0, 200, 200)), |
| &clipped); |
| ASSERT_FALSE(clipped); |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| // All tiles will have a positive distance_to_visible |
| // and an infinite time_to_visible. |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_FLOAT_EQ(priority.distance_to_visible, 0.f); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_FLOAT_EQ(priority.distance_to_visible, 0.f); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| // Furthermore, in this scenario the top-left distance_to_visible |
| // will be smallest, followed by top-right. The bottom layers |
| // will of course be further than the top layers. |
| TilePriority top_left = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| TilePriority top_right = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| TilePriority bottom_left = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| TilePriority bottom_right = |
| prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| |
| EXPECT_GT(bottom_right.distance_to_visible, top_right.distance_to_visible); |
| |
| EXPECT_GT(bottom_left.distance_to_visible, top_left.distance_to_visible); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, PerspectiveLayerClippedByW) { |
| // Perspective transforms need to take a different code path. |
| // This test checks tile priorities of a perspective layer. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double current_frame_time_in_seconds = 1.0; |
| |
| // A 3d perspective layer rotated about its Y axis, translated to almost |
| // fully offscreen. The left side will appear closer (i.e. larger in 2d) than |
| // the right side, so the top-left tile will technically be closer than the |
| // top-right. |
| |
| // Translate layer to offscreen |
| current_screen_transform.Translate(400.0, 970.0); |
| // Apply perspective and rotation about the center of the layer |
| current_screen_transform.Translate(100.0, 100.0); |
| current_screen_transform.ApplyPerspectiveDepth(10.0); |
| current_screen_transform.RotateAboutYAxis(10.0); |
| current_screen_transform.Translate(-100.0, -100.0); |
| last_screen_transform = current_screen_transform; |
| |
| // Sanity check that this transform does cause w<0 clipping for the left side |
| // of the layer, but not the right side. |
| bool clipped; |
| MathUtil::MapQuad(current_screen_transform, |
| gfx::QuadF(gfx::RectF(0, 0, 100, 200)), |
| &clipped); |
| ASSERT_TRUE(clipped); |
| |
| MathUtil::MapQuad(current_screen_transform, |
| gfx::QuadF(gfx::RectF(100, 0, 100, 200)), |
| &clipped); |
| ASSERT_FALSE(clipped); |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| // Left-side tiles will be clipped by the transform, so we have to assume |
| // they are visible just in case. |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_FLOAT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| // Right-side tiles will have a positive distance_to_visible |
| // and an infinite time_to_visible. |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_FLOAT_EQ(priority.distance_to_visible, 0.f); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, BasicMotion) { |
| // Test that time_to_visible is computed correctly when |
| // there is some motion. |
| FakePictureLayerTilingClient client; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Rect visible_layer_rect(0, 0, 0, 0); |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float last_layer_contents_scale = 1.f; |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double last_frame_time_in_seconds = 1.0; |
| double current_frame_time_in_seconds = 2.0; |
| |
| // Offscreen layer is coming closer to viewport at 1000 pixels per second. |
| current_screen_transform.Translate(1800, 0); |
| last_screen_transform.Translate(2800, 0); |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| LayerTreeSettings settings; |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| scoped_ptr<TestablePictureLayerTiling> tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, settings); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| // previous ("last") frame |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| last_layer_contents_scale, |
| last_frame_time_in_seconds, Occlusion()); |
| |
| // current frame |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| // time_to_visible for the right hand side layers needs an extra 0.099 |
| // seconds because this tile is 99 pixels further away. |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 1)].priority(); |
| EXPECT_GT(priority.distance_to_visible, 0.f); |
| EXPECT_NE(TilePriority::NOW, priority.priority_bin); |
| } |
| |
| TEST(ComputeTilePriorityRectsTest, RotationMotion) { |
| // Each tile of a layer may be affected differently by a transform; Check |
| // that ComputeTilePriorityRects correctly accounts for the transform between |
| // layer space and screen space. |
| |
| FakePictureLayerTilingClient client; |
| scoped_ptr<TestablePictureLayerTiling> tiling; |
| |
| gfx::Size device_viewport(800, 600); |
| gfx::Rect visible_layer_rect(0, 0, 0, 0); // offscren. |
| gfx::Size last_layer_bounds(200, 200); |
| gfx::Size current_layer_bounds(200, 200); |
| float last_layer_contents_scale = 1.f; |
| float current_layer_contents_scale = 1.f; |
| gfx::Transform last_screen_transform; |
| gfx::Transform current_screen_transform; |
| double last_frame_time_in_seconds = 1.0; |
| double current_frame_time_in_seconds = 2.0; |
| |
| // Rotation motion is set up specifically so that: |
| // - rotation occurs about the center of the layer |
| // - the top-left tile becomes visible on rotation |
| // - the top-right tile will have an infinite time_to_visible |
| // because it is rotating away from viewport. |
| // - bottom-left layer will have a positive non-zero time_to_visible |
| // because it is rotating toward the viewport. |
| current_screen_transform.Translate(400, 550); |
| current_screen_transform.RotateAboutZAxis(45); |
| |
| last_screen_transform.Translate(400, 550); |
| |
| gfx::Rect viewport_in_layer_space = ViewportInLayerSpace( |
| current_screen_transform, device_viewport); |
| |
| client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(current_layer_bounds); |
| tiling = TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &client, LayerTreeSettings()); |
| tiling->set_resolution(HIGH_RESOLUTION); |
| |
| // previous ("last") frame |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| last_layer_contents_scale, |
| last_frame_time_in_seconds, Occlusion()); |
| |
| // current frame |
| tiling->ComputeTilePriorityRects(viewport_in_layer_space, |
| current_layer_contents_scale, |
| current_frame_time_in_seconds, Occlusion()); |
| auto prioritized_tiles = tiling->UpdateAndGetAllPrioritizedTilesForTesting(); |
| |
| ASSERT_TRUE(tiling->TileAt(0, 0)); |
| ASSERT_TRUE(tiling->TileAt(0, 1)); |
| ASSERT_TRUE(tiling->TileAt(1, 0)); |
| ASSERT_TRUE(tiling->TileAt(1, 1)); |
| |
| TilePriority priority = prioritized_tiles[tiling->TileAt(0, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(0, 1)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| |
| priority = prioritized_tiles[tiling->TileAt(1, 0)].priority(); |
| EXPECT_FLOAT_EQ(0.f, priority.distance_to_visible); |
| EXPECT_EQ(TilePriority::NOW, priority.priority_bin); |
| } |
| |
| TEST(PictureLayerTilingTest, RecycledTilesCleared) { |
| // This test performs the following: |
| // Setup: |
| // - Two tilings, one active one recycled with all tiles shared. |
| // Procedure: |
| // - Viewport moves somewhere far away and active tiling clears tiles. |
| // - Viewport moves back and a new active tiling tile is created. |
| // Result: |
| // - Recycle tiling does _not_ have the tile in the same location (thus it |
| // will be shared next time a pending tiling is created). |
| |
| FakePictureLayerTilingClient active_client; |
| |
| active_client.SetTileSize(gfx::Size(100, 100)); |
| LayerTreeSettings settings; |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(gfx::Size(10000, 10000)); |
| scoped_ptr<TestablePictureLayerTiling> active_tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &active_client, settings); |
| active_tiling->set_resolution(HIGH_RESOLUTION); |
| // Create all tiles on this tiling. |
| active_tiling->ComputeTilePriorityRects(gfx::Rect(0, 0, 100, 100), 1.0f, 1.0f, |
| Occlusion()); |
| |
| FakePictureLayerTilingClient recycle_client; |
| recycle_client.SetTileSize(gfx::Size(100, 100)); |
| recycle_client.set_twin_tiling(active_tiling.get()); |
| |
| raster_source = |
| FakeDisplayListRasterSource::CreateFilled(gfx::Size(10000, 10000)); |
| scoped_ptr<TestablePictureLayerTiling> recycle_tiling = |
| TestablePictureLayerTiling::Create(PENDING_TREE, 1.0f, raster_source, |
| &recycle_client, settings); |
| recycle_tiling->set_resolution(HIGH_RESOLUTION); |
| |
| // Create all tiles on the second tiling. All tiles should be shared. |
| recycle_tiling->ComputeTilePriorityRects(gfx::Rect(0, 0, 100, 100), 1.0f, |
| 1.0f, Occlusion()); |
| |
| // Set the second tiling as recycled. |
| active_client.set_twin_tiling(NULL); |
| recycle_client.set_twin_tiling(NULL); |
| |
| EXPECT_TRUE(active_tiling->TileAt(0, 0)); |
| EXPECT_FALSE(recycle_tiling->TileAt(0, 0)); |
| |
| // Move the viewport far away from the (0, 0) tile. |
| active_tiling->ComputeTilePriorityRects(gfx::Rect(9000, 9000, 100, 100), 1.0f, |
| 2.0, Occlusion()); |
| // Ensure the tile was deleted. |
| EXPECT_FALSE(active_tiling->TileAt(0, 0)); |
| EXPECT_FALSE(recycle_tiling->TileAt(0, 0)); |
| |
| // Move the viewport back to (0, 0) tile. |
| active_tiling->ComputeTilePriorityRects(gfx::Rect(0, 0, 100, 100), 1.0f, 3.0, |
| Occlusion()); |
| |
| // Ensure that we now have a tile here on both active. |
| EXPECT_TRUE(active_tiling->TileAt(0, 0)); |
| EXPECT_FALSE(recycle_tiling->TileAt(0, 0)); |
| } |
| |
| TEST(PictureLayerTilingTest, RecycledTilesClearedOnReset) { |
| FakePictureLayerTilingClient active_client; |
| active_client.SetTileSize(gfx::Size(100, 100)); |
| |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(gfx::Size(100, 100)); |
| scoped_ptr<TestablePictureLayerTiling> active_tiling = |
| TestablePictureLayerTiling::Create(ACTIVE_TREE, 1.0f, raster_source, |
| &active_client, LayerTreeSettings()); |
| active_tiling->set_resolution(HIGH_RESOLUTION); |
| // Create all tiles on this tiling. |
| active_tiling->ComputeTilePriorityRects(gfx::Rect(0, 0, 100, 100), 1.0f, 1.0f, |
| Occlusion()); |
| |
| FakePictureLayerTilingClient recycle_client; |
| recycle_client.SetTileSize(gfx::Size(100, 100)); |
| recycle_client.set_twin_tiling(active_tiling.get()); |
| |
| LayerTreeSettings settings; |
| |
| raster_source = |
| FakeDisplayListRasterSource::CreateFilled(gfx::Size(100, 100)); |
| scoped_ptr<TestablePictureLayerTiling> recycle_tiling = |
| TestablePictureLayerTiling::Create(PENDING_TREE, 1.0f, raster_source, |
| &recycle_client, settings); |
| recycle_tiling->set_resolution(HIGH_RESOLUTION); |
| |
| // Create all tiles on the recycle tiling. All tiles should be shared. |
| recycle_tiling->ComputeTilePriorityRects(gfx::Rect(0, 0, 100, 100), 1.0f, |
| 1.0f, Occlusion()); |
| |
| // Set the second tiling as recycled. |
| active_client.set_twin_tiling(NULL); |
| recycle_client.set_twin_tiling(NULL); |
| |
| EXPECT_TRUE(active_tiling->TileAt(0, 0)); |
| EXPECT_FALSE(recycle_tiling->TileAt(0, 0)); |
| |
| // Reset the active tiling. The recycle tiles should be released too. |
| active_tiling->Reset(); |
| EXPECT_FALSE(active_tiling->TileAt(0, 0)); |
| EXPECT_FALSE(recycle_tiling->TileAt(0, 0)); |
| } |
| |
| TEST_F(PictureLayerTilingIteratorTest, ResizeTilesAndUpdateToCurrent) { |
| // The tiling has four rows and three columns. |
| Initialize(gfx::Size(150, 100), 1.f, gfx::Size(250, 150)); |
| tiling_->CreateAllTilesForTesting(); |
| EXPECT_EQ(150, tiling_->TilingDataForTesting().max_texture_size().width()); |
| EXPECT_EQ(100, tiling_->TilingDataForTesting().max_texture_size().height()); |
| EXPECT_EQ(4u, tiling_->AllTilesForTesting().size()); |
| |
| client_.SetTileSize(gfx::Size(250, 200)); |
| |
| // Tile size in the tiling should still be 150x100. |
| EXPECT_EQ(150, tiling_->TilingDataForTesting().max_texture_size().width()); |
| EXPECT_EQ(100, tiling_->TilingDataForTesting().max_texture_size().height()); |
| |
| // The layer's size isn't changed, but the tile size was. |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateFilled(gfx::Size(250, 150)); |
| tiling_->SetRasterSourceAndResize(raster_source); |
| |
| // 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_->AllTilesForTesting().size()); |
| } |
| |
| // This test runs into floating point issues because of big numbers. |
| TEST_F(PictureLayerTilingIteratorTest, GiantRect) { |
| gfx::Size tile_size(256, 256); |
| gfx::Size layer_size(33554432, 33554432); |
| float contents_scale = 1.f; |
| |
| client_.SetTileSize(tile_size); |
| scoped_refptr<FakeDisplayListRasterSource> raster_source = |
| FakeDisplayListRasterSource::CreateEmpty(layer_size); |
| tiling_ = TestablePictureLayerTiling::Create(PENDING_TREE, contents_scale, |
| raster_source, &client_, |
| LayerTreeSettings()); |
| |
| gfx::Rect content_rect(25554432, 25554432, 950, 860); |
| VerifyTilesExactlyCoverRect(contents_scale, content_rect); |
| } |
| |
| } // namespace |
| } // namespace cc |
