| // 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 "cc/playback/pixel_ref_map.h" |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/values.h" |
| #include "cc/playback/picture.h" |
| #include "cc/test/fake_content_layer_client.h" |
| #include "cc/test/skia_common.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/skia/include/core/SkGraphics.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/skia_util.h" |
| |
| namespace cc { |
| namespace { |
| |
| TEST(PixelRefMapTest, PixelRefMapIterator) { |
| gfx::Rect layer_rect(2048, 2048); |
| |
| gfx::Size tile_grid_size(512, 512); |
| |
| FakeContentLayerClient content_layer_client; |
| |
| // Discardable pixel refs are found in the following grids: |
| // |---|---|---|---| |
| // | | x | | x | |
| // |---|---|---|---| |
| // | x | | x | | |
| // |---|---|---|---| |
| // | | x | | x | |
| // |---|---|---|---| |
| // | x | | x | | |
| // |---|---|---|---| |
| SkBitmap discardable_bitmap[4][4]; |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| if ((x + y) & 1) { |
| CreateBitmap(gfx::Size(500, 500), "discardable", |
| &discardable_bitmap[y][x]); |
| SkPaint paint; |
| content_layer_client.add_draw_bitmap( |
| discardable_bitmap[y][x], gfx::Point(x * 512 + 6, y * 512 + 6), |
| paint); |
| } |
| } |
| } |
| |
| scoped_refptr<Picture> picture = |
| Picture::Create(layer_rect, &content_layer_client, tile_grid_size, true, |
| RecordingSource::RECORD_NORMALLY); |
| |
| // Default iterator does not have any pixel refs. |
| { |
| PixelRefMap::Iterator iterator; |
| EXPECT_FALSE(iterator); |
| } |
| |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| PixelRefMap::Iterator iterator(gfx::Rect(x * 512, y * 512, 500, 500), |
| picture.get()); |
| if ((x + y) & 1) { |
| EXPECT_TRUE(iterator) << x << " " << y; |
| EXPECT_TRUE(*iterator == discardable_bitmap[y][x].pixelRef()) |
| << x << " " << y; |
| EXPECT_FALSE(++iterator) << x << " " << y; |
| } else { |
| EXPECT_FALSE(iterator) << x << " " << y; |
| } |
| } |
| } |
| // Capture 4 pixel refs. |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(512, 512, 2048, 2048), |
| picture.get()); |
| EXPECT_TRUE(iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); |
| EXPECT_FALSE(++iterator); |
| } |
| |
| // Copy test. |
| PixelRefMap::Iterator iterator(gfx::Rect(512, 512, 2048, 2048), |
| picture.get()); |
| EXPECT_TRUE(iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); |
| |
| // copy now points to the same spot as iterator, |
| // but both can be incremented independently. |
| PixelRefMap::Iterator copy = iterator; |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); |
| EXPECT_FALSE(++iterator); |
| |
| EXPECT_TRUE(copy); |
| EXPECT_TRUE(*copy == discardable_bitmap[2][1].pixelRef()); |
| EXPECT_TRUE(++copy); |
| EXPECT_TRUE(*copy == discardable_bitmap[2][3].pixelRef()); |
| EXPECT_TRUE(++copy); |
| EXPECT_TRUE(*copy == discardable_bitmap[3][2].pixelRef()); |
| EXPECT_FALSE(++copy); |
| } |
| |
| TEST(PixelRefMapTest, PixelRefMapIteratorNonZeroLayer) { |
| gfx::Rect layer_rect(1024, 0, 2048, 2048); |
| |
| gfx::Size tile_grid_size(512, 512); |
| |
| FakeContentLayerClient content_layer_client; |
| |
| // Discardable pixel refs are found in the following grids: |
| // |---|---|---|---| |
| // | | x | | x | |
| // |---|---|---|---| |
| // | x | | x | | |
| // |---|---|---|---| |
| // | | x | | x | |
| // |---|---|---|---| |
| // | x | | x | | |
| // |---|---|---|---| |
| SkBitmap discardable_bitmap[4][4]; |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| if ((x + y) & 1) { |
| CreateBitmap(gfx::Size(500, 500), "discardable", |
| &discardable_bitmap[y][x]); |
| SkPaint paint; |
| content_layer_client.add_draw_bitmap( |
| discardable_bitmap[y][x], |
| gfx::Point(1024 + x * 512 + 6, y * 512 + 6), paint); |
| } |
| } |
| } |
| |
| scoped_refptr<Picture> picture = |
| Picture::Create(layer_rect, &content_layer_client, tile_grid_size, true, |
| RecordingSource::RECORD_NORMALLY); |
| |
| // Default iterator does not have any pixel refs. |
| { |
| PixelRefMap::Iterator iterator; |
| EXPECT_FALSE(iterator); |
| } |
| |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| PixelRefMap::Iterator iterator( |
| gfx::Rect(1024 + x * 512, y * 512, 500, 500), picture.get()); |
| if ((x + y) & 1) { |
| EXPECT_TRUE(iterator) << x << " " << y; |
| EXPECT_TRUE(*iterator == discardable_bitmap[y][x].pixelRef()); |
| EXPECT_FALSE(++iterator) << x << " " << y; |
| } else { |
| EXPECT_FALSE(iterator) << x << " " << y; |
| } |
| } |
| } |
| // Capture 4 pixel refs. |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(1024 + 512, 512, 2048, 2048), |
| picture.get()); |
| EXPECT_TRUE(iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); |
| EXPECT_FALSE(++iterator); |
| } |
| |
| // Copy test. |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(1024 + 512, 512, 2048, 2048), |
| picture.get()); |
| EXPECT_TRUE(iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[1][2].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][1].pixelRef()); |
| |
| // copy now points to the same spot as iterator, |
| // but both can be incremented independently. |
| PixelRefMap::Iterator copy = iterator; |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[2][3].pixelRef()); |
| EXPECT_TRUE(++iterator); |
| EXPECT_TRUE(*iterator == discardable_bitmap[3][2].pixelRef()); |
| EXPECT_FALSE(++iterator); |
| |
| EXPECT_TRUE(copy); |
| EXPECT_TRUE(*copy == discardable_bitmap[2][1].pixelRef()); |
| EXPECT_TRUE(++copy); |
| EXPECT_TRUE(*copy == discardable_bitmap[2][3].pixelRef()); |
| EXPECT_TRUE(++copy); |
| EXPECT_TRUE(*copy == discardable_bitmap[3][2].pixelRef()); |
| EXPECT_FALSE(++copy); |
| } |
| |
| // Non intersecting rects |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(0, 0, 1000, 1000), picture.get()); |
| EXPECT_FALSE(iterator); |
| } |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(3500, 0, 1000, 1000), |
| picture.get()); |
| EXPECT_FALSE(iterator); |
| } |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(0, 1100, 1000, 1000), |
| picture.get()); |
| EXPECT_FALSE(iterator); |
| } |
| { |
| PixelRefMap::Iterator iterator(gfx::Rect(3500, 1100, 1000, 1000), |
| picture.get()); |
| EXPECT_FALSE(iterator); |
| } |
| } |
| |
| TEST(PixelRefMapTest, PixelRefMapIteratorOnePixelQuery) { |
| gfx::Rect layer_rect(2048, 2048); |
| |
| gfx::Size tile_grid_size(512, 512); |
| |
| FakeContentLayerClient content_layer_client; |
| |
| // Discardable pixel refs are found in the following grids: |
| // |---|---|---|---| |
| // | | x | | x | |
| // |---|---|---|---| |
| // | x | | x | | |
| // |---|---|---|---| |
| // | | x | | x | |
| // |---|---|---|---| |
| // | x | | x | | |
| // |---|---|---|---| |
| SkBitmap discardable_bitmap[4][4]; |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| if ((x + y) & 1) { |
| CreateBitmap(gfx::Size(500, 500), "discardable", |
| &discardable_bitmap[y][x]); |
| SkPaint paint; |
| content_layer_client.add_draw_bitmap( |
| discardable_bitmap[y][x], gfx::Point(x * 512 + 6, y * 512 + 6), |
| paint); |
| } |
| } |
| } |
| |
| scoped_refptr<Picture> picture = |
| Picture::Create(layer_rect, &content_layer_client, tile_grid_size, true, |
| RecordingSource::RECORD_NORMALLY); |
| |
| // Default iterator does not have any pixel refs. |
| { |
| PixelRefMap::Iterator iterator; |
| EXPECT_FALSE(iterator); |
| } |
| |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| PixelRefMap::Iterator iterator(gfx::Rect(x * 512, y * 512 + 256, 1, 1), |
| picture.get()); |
| if ((x + y) & 1) { |
| EXPECT_TRUE(iterator) << x << " " << y; |
| EXPECT_TRUE(*iterator == discardable_bitmap[y][x].pixelRef()); |
| EXPECT_FALSE(++iterator) << x << " " << y; |
| } else { |
| EXPECT_FALSE(iterator) << x << " " << y; |
| } |
| } |
| } |
| } |
| |
| } // namespace |
| } // namespace cc |