| // 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 <map> |
| #include <utility> |
| |
| #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; |
| using PicturePile::CanRasterSlowTileCheck; |
| using PicturePile::Clear; |
| |
| PictureMap& picture_map() { return picture_map_; } |
| const gfx::Rect& recorded_viewport() const { return recorded_viewport_; } |
| |
| bool CanRasterLayerRect(const gfx::Rect& layer_rect) { |
| return CanRaster(1.f, layer_rect); |
| } |
| |
| typedef PicturePile::PictureInfo PictureInfo; |
| typedef PicturePile::PictureMapKey PictureMapKey; |
| typedef PicturePile::PictureMap PictureMap; |
| |
| 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), |
| 1, |
| &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), |
| 2, |
| &stats_instrumentation); |
| |
| EXPECT_EQ(1, pile->tiling().num_tiles_x()); |
| EXPECT_EQ(1, pile->tiling().num_tiles_y()); |
| |
| TestPicturePile::PictureInfo& picture_info = |
| pile->picture_map().find(TestPicturePile::PictureMapKey(0, 0))->second; |
| // We should have a picture. |
| EXPECT_TRUE(!!picture_info.GetPicture()); |
| gfx::Rect picture_rect = gfx::ScaleToEnclosedRect( |
| picture_info.GetPicture()->LayerRect(), min_scale); |
| |
| // The the picture should be 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), |
| 1, |
| &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), |
| 2, |
| &stats_instrumentation); |
| |
| EXPECT_EQ(1, pile->tiling().num_tiles_x()); |
| EXPECT_EQ(1, pile->tiling().num_tiles_y()); |
| |
| TestPicturePile::PictureInfo& picture_info = |
| pile->picture_map().find(TestPicturePile::PictureMapKey(0, 0))->second; |
| EXPECT_TRUE(!!picture_info.GetPicture()); |
| |
| int expected_inflation = pile->buffer_pixels(); |
| |
| Picture* base_picture = picture_info.GetPicture(); |
| 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()); |
| } |
| |
| 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 to create initial pictures. |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| gfx::Rect(layer_size), |
| 0, |
| &stats_instrumentation); |
| |
| // Invalidate everything again to have a non zero invalidation |
| // frequency. |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| gfx::Rect(layer_size), |
| 1, |
| &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), |
| 2, |
| &stats_instrumentation); |
| |
| for (int i = 0; i < pile->tiling().num_tiles_x(); ++i) { |
| for (int j = 0; j < pile->tiling().num_tiles_y(); ++j) { |
| TestPicturePile::PictureInfo& picture_info = |
| pile->picture_map().find( |
| TestPicturePile::PictureMapKey(i, j))->second; |
| |
| // Expect (1, 1) and (1, 0) to be invalidated once more |
| // than the rest of the tiles. |
| if (i == 1 && (j == 0 || j == 1)) { |
| EXPECT_FLOAT_EQ( |
| 2.0f / TestPicturePile::PictureInfo::INVALIDATION_FRAMES_TRACKED, |
| picture_info.GetInvalidationFrequencyForTesting()); |
| } else { |
| EXPECT_FLOAT_EQ( |
| 1.0f / TestPicturePile::PictureInfo::INVALIDATION_FRAMES_TRACKED, |
| picture_info.GetInvalidationFrequencyForTesting()); |
| } |
| } |
| } |
| } |
| |
| TEST(PicturePileTest, StopRecordingOffscreenInvalidations) { |
| 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, 4.f)); |
| pile->Resize(layer_size); |
| pile->SetTileGridSize(gfx::Size(1000, 1000)); |
| pile->SetMinContentsScale(min_scale); |
| |
| gfx::Rect viewport(0, 0, layer_size.width(), 1); |
| |
| // Update the whole layer until the invalidation frequency is high. |
| int frame; |
| for (frame = 0; frame < 33; ++frame) { |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| viewport, |
| frame, |
| &stats_instrumentation); |
| } |
| |
| // Make sure we have a high invalidation frequency. |
| for (int i = 0; i < pile->tiling().num_tiles_x(); ++i) { |
| for (int j = 0; j < pile->tiling().num_tiles_y(); ++j) { |
| TestPicturePile::PictureInfo& picture_info = |
| pile->picture_map().find( |
| TestPicturePile::PictureMapKey(i, j))->second; |
| EXPECT_FLOAT_EQ(1.0f, picture_info.GetInvalidationFrequencyForTesting()) |
| << "i " << i << " j " << j; |
| } |
| } |
| |
| // Update once more with a small viewport 0,0 layer_width by 1 |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(layer_size), |
| viewport, |
| frame, |
| &stats_instrumentation); |
| |
| for (int i = 0; i < pile->tiling().num_tiles_x(); ++i) { |
| for (int j = 0; j < pile->tiling().num_tiles_y(); ++j) { |
| TestPicturePile::PictureInfo& picture_info = |
| pile->picture_map().find( |
| TestPicturePile::PictureMapKey(i, j))->second; |
| EXPECT_FLOAT_EQ(1.0f, picture_info.GetInvalidationFrequencyForTesting()); |
| |
| // If the y far enough away we expect to find no picture (no re-recording |
| // happened). For close y, the picture should change. |
| if (j >= 2) |
| EXPECT_FALSE(picture_info.GetPicture()) << "i " << i << " j " << j; |
| else |
| EXPECT_TRUE(picture_info.GetPicture()) << "i " << i << " j " << j; |
| } |
| } |
| |
| // Now update with no invalidation and full viewport |
| pile->Update(&client, |
| background_color, |
| false, |
| gfx::Rect(), |
| gfx::Rect(layer_size), |
| frame+1, |
| &stats_instrumentation); |
| |
| for (int i = 0; i < pile->tiling().num_tiles_x(); ++i) { |
| for (int j = 0; j < pile->tiling().num_tiles_y(); ++j) { |
| TestPicturePile::PictureInfo& picture_info = |
| pile->picture_map().find( |
| TestPicturePile::PictureMapKey(i, j))->second; |
| // Expect the invalidation frequency to be less than 1, since we just |
| // updated with no invalidations. |
| float expected_frequency = |
| 1.0f - |
| 1.0f / TestPicturePile::PictureInfo::INVALIDATION_FRAMES_TRACKED; |
| |
| EXPECT_FLOAT_EQ(expected_frequency, |
| picture_info.GetInvalidationFrequencyForTesting()); |
| |
| // We expect that there are pictures everywhere now. |
| EXPECT_TRUE(picture_info.GetPicture()) << "i " << i << " j " << j; |
| } |
| } |
| } |
| |
| TEST_F(PicturePileTest, ClearingInvalidatesRecordedRect) { |
| UpdateWholeLayer(); |
| |
| gfx::Rect rect(0, 0, 5, 5); |
| EXPECT_TRUE(pile_->CanRasterLayerRect(rect)); |
| EXPECT_TRUE(pile_->CanRasterSlowTileCheck(rect)); |
| |
| pile_->Clear(); |
| |
| // Make sure both the cache-aware check (using recorded region) and the normal |
| // check are both false after clearing. |
| EXPECT_FALSE(pile_->CanRasterLayerRect(rect)); |
| EXPECT_FALSE(pile_->CanRasterSlowTileCheck(rect)); |
| } |
| |
| TEST_F(PicturePileTest, FrequentInvalidationCanRaster) { |
| // This test makes sure that if part of the page is frequently invalidated |
| // and doesn't get re-recorded, then CanRaster is not true for any |
| // tiles touching it, but is true for adjacent tiles, even if it |
| // overlaps on borders (edge case). |
| gfx::Size layer_size = gfx::ToFlooredSize(gfx::ScaleSize(pile_->size(), 4.f)); |
| pile_->Resize(layer_size); |
| |
| gfx::Rect tile01_borders = pile_->tiling().TileBoundsWithBorder(0, 1); |
| gfx::Rect tile02_borders = pile_->tiling().TileBoundsWithBorder(0, 2); |
| gfx::Rect tile01_noborders = pile_->tiling().TileBounds(0, 1); |
| gfx::Rect tile02_noborders = pile_->tiling().TileBounds(0, 2); |
| |
| // Sanity check these two tiles are overlapping with borders, since this is |
| // what the test is trying to repro. |
| EXPECT_TRUE(tile01_borders.Intersects(tile02_borders)); |
| EXPECT_FALSE(tile01_noborders.Intersects(tile02_noborders)); |
| UpdateWholeLayer(); |
| EXPECT_TRUE(pile_->CanRasterLayerRect(tile01_noborders)); |
| EXPECT_TRUE(pile_->CanRasterSlowTileCheck(tile01_noborders)); |
| EXPECT_TRUE(pile_->CanRasterLayerRect(tile02_noborders)); |
| EXPECT_TRUE(pile_->CanRasterSlowTileCheck(tile02_noborders)); |
| // Sanity check that an initial paint goes down the fast path of having |
| // a valid recorded viewport. |
| EXPECT_TRUE(!pile_->recorded_viewport().IsEmpty()); |
| |
| // Update the whole layer until the invalidation frequency is high. |
| for (int frame = 0; frame < 33; ++frame) { |
| UpdateWholeLayer(); |
| } |
| |
| // Update once more with a small viewport. |
| gfx::Rect viewport(0, 0, layer_size.width(), 1); |
| Update(layer_rect(), viewport); |
| |
| // Sanity check some pictures exist and others don't. |
| EXPECT_TRUE(pile_->picture_map() |
| .find(TestPicturePile::PictureMapKey(0, 1)) |
| ->second.GetPicture()); |
| EXPECT_FALSE(pile_->picture_map() |
| .find(TestPicturePile::PictureMapKey(0, 2)) |
| ->second.GetPicture()); |
| |
| EXPECT_TRUE(pile_->CanRasterLayerRect(tile01_noborders)); |
| EXPECT_TRUE(pile_->CanRasterSlowTileCheck(tile01_noborders)); |
| EXPECT_FALSE(pile_->CanRasterLayerRect(tile02_noborders)); |
| EXPECT_FALSE(pile_->CanRasterSlowTileCheck(tile02_noborders)); |
| } |
| |
| TEST_F(PicturePileTest, NoInvalidationValidViewport) { |
| // This test validates that the recorded_viewport cache of full tiles |
| // is still valid for some use cases. If it's not, it's a performance |
| // issue because CanRaster checks will go down the slow path. |
| UpdateWholeLayer(); |
| EXPECT_TRUE(!pile_->recorded_viewport().IsEmpty()); |
| |
| // No invalidation, same viewport. |
| Update(gfx::Rect(), layer_rect()); |
| EXPECT_TRUE(!pile_->recorded_viewport().IsEmpty()); |
| |
| // Partial invalidation, same viewport. |
| Update(gfx::Rect(gfx::Rect(0, 0, 1, 1)), layer_rect()); |
| EXPECT_TRUE(!pile_->recorded_viewport().IsEmpty()); |
| |
| // No invalidation, changing viewport. |
| Update(gfx::Rect(), gfx::Rect(5, 5, 5, 5)); |
| EXPECT_TRUE(!pile_->recorded_viewport().IsEmpty()); |
| } |
| |
| } // namespace |
| } // namespace cc |
