| // 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/resources/picture_pile.h" |
| #include "cc/test/fake_content_layer_client.h" |
| #include "cc/test/fake_rendering_stats_instrumentation.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "ui/gfx/rect_conversions.h" |
| #include "ui/gfx/size_conversions.h" |
| |
| namespace cc { |
| namespace { |
| |
| class TestPicturePile : public PicturePile { |
| public: |
| using PicturePile::buffer_pixels; |
| |
| PictureListMap& picture_list_map() { return picture_list_map_; } |
| |
| typedef PicturePile::PictureList PictureList; |
| typedef PicturePile::PictureListMapKey PictureListMapKey; |
| typedef PicturePile::PictureListMap PictureListMap; |
| |
| protected: |
| virtual ~TestPicturePile() {} |
| }; |
| |
| TEST(PicturePileTest, SmallInvalidateInflated) { |
| FakeContentLayerClient client; |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_refptr<TestPicturePile> pile = new TestPicturePile; |
| SkColor background_color = SK_ColorBLUE; |
| |
| float min_scale = 0.125; |
| gfx::Size base_picture_size = pile->tiling().max_texture_size(); |
| |
| gfx::Size layer_size = base_picture_size; |
| pile->Resize(layer_size); |
| pile->SetTileGridSize(gfx::Size(1000, 1000)); |
| pile->SetMinContentsScale(min_scale); |
| |
| // Update the whole layer. |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| gfx::Rect(layer_size), |
| &stats_instrumentation); |
| |
| // Invalidate something inside a tile. |
| gfx::Rect invalidate_rect(50, 50, 1, 1); |
| pile->Update(&client, |
| background_color, |
| false, |
| invalidate_rect, |
| gfx::Rect(layer_size), |
| &stats_instrumentation); |
| |
| EXPECT_EQ(1, pile->tiling().num_tiles_x()); |
| EXPECT_EQ(1, pile->tiling().num_tiles_y()); |
| |
| TestPicturePile::PictureList& picture_list = |
| pile->picture_list_map().find( |
| TestPicturePile::PictureListMapKey(0, 0))->second; |
| EXPECT_EQ(2u, picture_list.size()); |
| for (TestPicturePile::PictureList::iterator it = picture_list.begin(); |
| it != picture_list.end(); |
| ++it) { |
| scoped_refptr<Picture> picture = *it; |
| gfx::Rect picture_rect = |
| gfx::ScaleToEnclosedRect(picture->LayerRect(), min_scale); |
| |
| // The invalidation in each tile should have been made large enough |
| // that scaling it never makes a rect smaller than 1 px wide or tall. |
| EXPECT_FALSE(picture_rect.IsEmpty()) << "Picture rect " << |
| picture_rect.ToString(); |
| } |
| } |
| |
| TEST(PicturePileTest, LargeInvalidateInflated) { |
| FakeContentLayerClient client; |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_refptr<TestPicturePile> pile = new TestPicturePile; |
| SkColor background_color = SK_ColorBLUE; |
| |
| float min_scale = 0.125; |
| gfx::Size base_picture_size = pile->tiling().max_texture_size(); |
| |
| gfx::Size layer_size = base_picture_size; |
| pile->Resize(layer_size); |
| pile->SetTileGridSize(gfx::Size(1000, 1000)); |
| pile->SetMinContentsScale(min_scale); |
| |
| // Update the whole layer. |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| gfx::Rect(layer_size), |
| &stats_instrumentation); |
| |
| // Invalidate something inside a tile. |
| gfx::Rect invalidate_rect(50, 50, 100, 100); |
| pile->Update(&client, |
| background_color, |
| false, |
| invalidate_rect, |
| gfx::Rect(layer_size), |
| &stats_instrumentation); |
| |
| EXPECT_EQ(1, pile->tiling().num_tiles_x()); |
| EXPECT_EQ(1, pile->tiling().num_tiles_y()); |
| |
| TestPicturePile::PictureList& picture_list = |
| pile->picture_list_map().find( |
| TestPicturePile::PictureListMapKey(0, 0))->second; |
| EXPECT_EQ(2u, picture_list.size()); |
| |
| int expected_inflation = pile->buffer_pixels(); |
| |
| scoped_refptr<Picture> base_picture = *picture_list.begin(); |
| gfx::Rect base_picture_rect(layer_size); |
| base_picture_rect.Inset(-expected_inflation, -expected_inflation); |
| EXPECT_EQ(base_picture_rect.ToString(), |
| base_picture->LayerRect().ToString()); |
| |
| scoped_refptr<Picture> picture = *(++picture_list.begin()); |
| gfx::Rect picture_rect(invalidate_rect); |
| picture_rect.Inset(-expected_inflation, -expected_inflation); |
| EXPECT_EQ(picture_rect.ToString(), |
| picture->LayerRect().ToString()); |
| } |
| |
| TEST(PicturePileTest, InvalidateOnTileBoundaryInflated) { |
| FakeContentLayerClient client; |
| FakeRenderingStatsInstrumentation stats_instrumentation; |
| scoped_refptr<TestPicturePile> pile = new TestPicturePile; |
| SkColor background_color = SK_ColorBLUE; |
| |
| float min_scale = 0.125; |
| gfx::Size base_picture_size = pile->tiling().max_texture_size(); |
| |
| gfx::Size layer_size = |
| gfx::ToFlooredSize(gfx::ScaleSize(base_picture_size, 2.f)); |
| pile->Resize(layer_size); |
| pile->SetTileGridSize(gfx::Size(1000, 1000)); |
| pile->SetMinContentsScale(min_scale); |
| |
| // Due to border pixels, we should have 3 tiles. |
| EXPECT_EQ(3, pile->tiling().num_tiles_x()); |
| EXPECT_EQ(3, pile->tiling().num_tiles_y()); |
| |
| // We should have 1/.125 - 1 = 7 border pixels. |
| EXPECT_EQ(7, pile->buffer_pixels()); |
| EXPECT_EQ(7, pile->tiling().border_texels()); |
| |
| // Update the whole layer. |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| gfx::Rect(layer_size), |
| &stats_instrumentation); |
| |
| // Invalidate something just over a tile boundary by a single pixel. |
| // This will invalidate the tile (1, 1), as well as 1 row of pixels in (1, 0). |
| gfx::Rect invalidate_rect( |
| pile->tiling().TileBoundsWithBorder(0, 0).right(), |
| pile->tiling().TileBoundsWithBorder(0, 0).bottom() - 1, |
| 50, |
| 50); |
| pile->Update(&client, |
| background_color, |
| false, |
| invalidate_rect, |
| gfx::Rect(layer_size), |
| &stats_instrumentation); |
| |
| for (int i = 0; i < pile->tiling().num_tiles_x(); ++i) { |
| for (int j = 0; j < pile->tiling().num_tiles_y(); ++j) { |
| // (1, 0) and (1, 1) should be invalidated partially. |
| bool expect_invalidated = i == 1 && (j == 0 || j == 1); |
| |
| TestPicturePile::PictureList& picture_list = |
| pile->picture_list_map().find( |
| TestPicturePile::PictureListMapKey(i, j))->second; |
| if (!expect_invalidated) { |
| EXPECT_EQ(1u, picture_list.size()) << "For i,j " << i << "," << j; |
| continue; |
| } |
| |
| EXPECT_EQ(2u, picture_list.size()) << "For i,j " << i << "," << j; |
| for (TestPicturePile::PictureList::iterator it = picture_list.begin(); |
| it != picture_list.end(); |
| ++it) { |
| scoped_refptr<Picture> picture = *it; |
| gfx::Rect picture_rect = |
| gfx::ScaleToEnclosedRect(picture->LayerRect(), min_scale); |
| |
| // The invalidation in each tile should have been made large enough |
| // that scaling it never makes a rect smaller than 1 px wide or tall. |
| EXPECT_FALSE(picture_rect.IsEmpty()) << "Picture rect " << |
| picture_rect.ToString(); |
| } |
| } |
| } |
| } |
| |
| } // namespace |
| } // namespace cc |