| // Copyright 2015 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 <vector> |
| |
| #include "cc/playback/display_list_raster_source.h" |
| #include "cc/test/fake_display_list_recording_source.h" |
| #include "cc/test/skia_common.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace cc { |
| namespace { |
| |
| TEST(DisplayListRecordingSourceTest, DiscardablePixelRefsWithTransform) { |
| gfx::Size grid_cell_size(128, 128); |
| gfx::Rect recorded_viewport(0, 0, 256, 256); |
| |
| scoped_ptr<FakeDisplayListRecordingSource> recording_source = |
| FakeDisplayListRecordingSource::CreateRecordingSource(recorded_viewport); |
| recording_source->SetGridCellSize(grid_cell_size); |
| SkBitmap discardable_bitmap[2][2]; |
| gfx::Transform identity_transform; |
| CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[0][0]); |
| // Translate transform is equivalent to moving using point. |
| gfx::Transform translate_transform; |
| translate_transform.Translate(0, 130); |
| CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][0]); |
| // This moves the bitmap to center of viewport and rotate, this would make |
| // this bitmap in all four tile grids. |
| gfx::Transform rotate_transform; |
| rotate_transform.Translate(112, 112); |
| rotate_transform.Rotate(45); |
| CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][1]); |
| |
| recording_source->add_draw_bitmap_with_transform(discardable_bitmap[0][0], |
| identity_transform); |
| recording_source->add_draw_bitmap_with_transform(discardable_bitmap[1][0], |
| translate_transform); |
| recording_source->add_draw_bitmap_with_transform(discardable_bitmap[1][1], |
| rotate_transform); |
| recording_source->SetGatherPixelRefs(true); |
| recording_source->Rerecord(); |
| |
| bool can_use_lcd_text = true; |
| scoped_refptr<DisplayListRasterSource> raster_source = |
| DisplayListRasterSource::CreateFromDisplayListRecordingSource( |
| recording_source.get(), can_use_lcd_text); |
| |
| // Tile sized iterators. These should find only one pixel ref. |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 1.0, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(2u, pixel_refs.size()); |
| } |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 2.0, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(2u, pixel_refs.size()); |
| } |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(0, 0, 64, 64), 0.5, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(2u, pixel_refs.size()); |
| } |
| |
| // Shifted tile sized iterators. These should find only one pixel ref. |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(140, 140, 128, 128), 1.0, |
| &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(1u, pixel_refs.size()); |
| } |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(280, 280, 256, 256), 2.0, |
| &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(1u, pixel_refs.size()); |
| } |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(70, 70, 64, 64), 0.5, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(1u, pixel_refs.size()); |
| } |
| |
| // The rotated bitmap would still be in the top right tile. |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(140, 0, 128, 128), 1.0, |
| &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(1u, pixel_refs.size()); |
| } |
| |
| // Layer sized iterators. These should find all 6 pixel refs, including 1 |
| // pixel ref bitmap[0][0], 1 pixel ref for bitmap[1][0], and 4 pixel refs for |
| // bitmap[1][1]. |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 1.0, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| // Top left tile with bitmap[0][0] and bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef()); |
| // Top right tile with bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef()); |
| // Bottom left tile with bitmap[1][0] and bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef()); |
| // Bottom right tile with bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(6u, pixel_refs.size()); |
| } |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(0, 0, 512, 512), 2.0, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| // Top left tile with bitmap[0][0] and bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef()); |
| // Top right tile with bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef()); |
| // Bottom left tile with bitmap[1][0] and bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef()); |
| // Bottom right tile with bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(6u, pixel_refs.size()); |
| } |
| { |
| std::vector<SkPixelRef*> pixel_refs; |
| raster_source->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 0.5, &pixel_refs); |
| EXPECT_FALSE(pixel_refs.empty()); |
| // Top left tile with bitmap[0][0] and bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[0] == discardable_bitmap[0][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[1] == discardable_bitmap[1][1].pixelRef()); |
| // Top right tile with bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[2] == discardable_bitmap[1][1].pixelRef()); |
| // Bottom left tile with bitmap[1][0] and bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[3] == discardable_bitmap[1][0].pixelRef()); |
| EXPECT_TRUE(pixel_refs[4] == discardable_bitmap[1][1].pixelRef()); |
| // Bottom right tile with bitmap[1][1]. |
| EXPECT_TRUE(pixel_refs[5] == discardable_bitmap[1][1].pixelRef()); |
| EXPECT_EQ(6u, pixel_refs.size()); |
| } |
| } |
| |
| } // namespace |
| } // namespace cc |