diff options
author | danakj <danakj@chromium.org> | 2015-06-03 13:58:55 -0700 |
---|---|---|
committer | Commit bot <commit-bot@chromium.org> | 2015-06-03 20:59:24 +0000 |
commit | a5ac8cc9f06188bebd8977d21865244fa3b78fb3 (patch) | |
tree | 6a98bfd8e819a0c1251ee5972461825c0f6a769e /cc/playback/display_list_raster_source_unittest.cc | |
parent | c66f89190433d9926e59b01d031b9bde6dbcfe7a (diff) | |
download | chromium_src-a5ac8cc9f06188bebd8977d21865244fa3b78fb3.zip chromium_src-a5ac8cc9f06188bebd8977d21865244fa3b78fb3.tar.gz chromium_src-a5ac8cc9f06188bebd8977d21865244fa3b78fb3.tar.bz2 |
cc: Add tests for DisplayListRasterSource.
This mimics (most of) the tests from PicturePileImpl but for the
display list backend to verify gather pixel refs and raster
behaviour. Also adds a new partial raster test.
This gives me a framework to write unit tests for culling display
items.
R=enne, vmpstr
BUG=487387
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
Review URL: https://codereview.chromium.org/1146813012
Cr-Commit-Position: refs/heads/master@{#332676}
Diffstat (limited to 'cc/playback/display_list_raster_source_unittest.cc')
-rw-r--r-- | cc/playback/display_list_raster_source_unittest.cc | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/cc/playback/display_list_raster_source_unittest.cc b/cc/playback/display_list_raster_source_unittest.cc new file mode 100644 index 0000000..e41bc64 --- /dev/null +++ b/cc/playback/display_list_raster_source_unittest.cc @@ -0,0 +1,464 @@ +// 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 "base/memory/scoped_ptr.h" +#include "cc/playback/display_list_raster_source.h" +#include "cc/test/fake_display_list_recording_source.h" +#include "cc/test/skia_common.h" +#include "skia/ext/refptr.h" +#include "testing/gtest/include/gtest/gtest.h" +#include "third_party/skia/include/core/SkPixelRef.h" +#include "third_party/skia/include/core/SkShader.h" +#include "ui/gfx/geometry/rect.h" +#include "ui/gfx/geometry/size_conversions.h" + +namespace cc { +namespace { + +TEST(DisplayListRasterSourceTest, AnalyzeIsSolidUnscaled) { + gfx::Size layer_bounds(400, 400); + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + + SkPaint solid_paint; + SkColor solid_color = SkColorSetARGB(255, 12, 23, 34); + solid_paint.setColor(solid_color); + + SkColor non_solid_color = SkColorSetARGB(128, 45, 56, 67); + SkPaint non_solid_paint; + non_solid_paint.setColor(non_solid_color); + + recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), + solid_paint); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + // Ensure everything is solid. + for (int y = 0; y <= 300; y += 100) { + for (int x = 0; x <= 300; x += 100) { + RasterSource::SolidColorAnalysis analysis; + gfx::Rect rect(x, y, 100, 100); + raster->PerformSolidColorAnalysis(rect, 1.0, &analysis); + EXPECT_TRUE(analysis.is_solid_color) << rect.ToString(); + EXPECT_EQ(solid_color, analysis.solid_color) << rect.ToString(); + } + } + + // Add one non-solid pixel and recreate the raster source. + recording_source->add_draw_rect_with_paint(gfx::Rect(50, 50, 1, 1), + non_solid_paint); + recording_source->Rerecord(); + raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + RasterSource::SolidColorAnalysis analysis; + raster->PerformSolidColorAnalysis(gfx::Rect(0, 0, 100, 100), 1.0, &analysis); + EXPECT_FALSE(analysis.is_solid_color); + + raster->PerformSolidColorAnalysis(gfx::Rect(100, 0, 100, 100), 1.0, + &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(solid_color, analysis.solid_color); + + // Boundaries should be clipped. + analysis.is_solid_color = false; + raster->PerformSolidColorAnalysis(gfx::Rect(350, 0, 100, 100), 1.0, + &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(solid_color, analysis.solid_color); + + analysis.is_solid_color = false; + raster->PerformSolidColorAnalysis(gfx::Rect(0, 350, 100, 100), 1.0, + &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(solid_color, analysis.solid_color); + + analysis.is_solid_color = false; + raster->PerformSolidColorAnalysis(gfx::Rect(350, 350, 100, 100), 1.0, + &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(solid_color, analysis.solid_color); +} + +TEST(DisplayListRasterSourceTest, AnalyzeIsSolidScaled) { + gfx::Size layer_bounds(400, 400); + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + + SkColor solid_color = SkColorSetARGB(255, 12, 23, 34); + SkPaint solid_paint; + solid_paint.setColor(solid_color); + + SkColor non_solid_color = SkColorSetARGB(128, 45, 56, 67); + SkPaint non_solid_paint; + non_solid_paint.setColor(non_solid_color); + + recording_source->add_draw_rect_with_paint(gfx::Rect(0, 0, 400, 400), + solid_paint); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + // Ensure everything is solid. + for (int y = 0; y <= 30; y += 10) { + for (int x = 0; x <= 30; x += 10) { + RasterSource::SolidColorAnalysis analysis; + gfx::Rect rect(x, y, 10, 10); + raster->PerformSolidColorAnalysis(rect, 0.1f, &analysis); + EXPECT_TRUE(analysis.is_solid_color) << rect.ToString(); + EXPECT_EQ(analysis.solid_color, solid_color) << rect.ToString(); + } + } + + // Add one non-solid pixel and recreate the raster source. + recording_source->add_draw_rect_with_paint(gfx::Rect(50, 50, 1, 1), + non_solid_paint); + recording_source->Rerecord(); + raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + RasterSource::SolidColorAnalysis analysis; + raster->PerformSolidColorAnalysis(gfx::Rect(0, 0, 10, 10), 0.1f, &analysis); + EXPECT_FALSE(analysis.is_solid_color); + + raster->PerformSolidColorAnalysis(gfx::Rect(10, 0, 10, 10), 0.1f, &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(analysis.solid_color, solid_color); + + // Boundaries should be clipped. + analysis.is_solid_color = false; + raster->PerformSolidColorAnalysis(gfx::Rect(35, 0, 10, 10), 0.1f, &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(analysis.solid_color, solid_color); + + analysis.is_solid_color = false; + raster->PerformSolidColorAnalysis(gfx::Rect(0, 35, 10, 10), 0.1f, &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(analysis.solid_color, solid_color); + + analysis.is_solid_color = false; + raster->PerformSolidColorAnalysis(gfx::Rect(35, 35, 10, 10), 0.1f, &analysis); + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(analysis.solid_color, solid_color); +} + +TEST(DisplayListRasterSourceTest, AnalyzeIsSolidEmpty) { + gfx::Size layer_bounds(400, 400); + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + RasterSource::SolidColorAnalysis analysis; + EXPECT_FALSE(analysis.is_solid_color); + + raster->PerformSolidColorAnalysis(gfx::Rect(0, 0, 400, 400), 1.f, &analysis); + + EXPECT_TRUE(analysis.is_solid_color); + EXPECT_EQ(analysis.solid_color, SkColorSetARGB(0, 0, 0, 0)); +} + +TEST(DisplayListRasterSourceTest, PixelRefIteratorDiscardableRefsOneTile) { + gfx::Size layer_bounds(512, 512); + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + + SkBitmap discardable_bitmap[2][2]; + CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[0][0]); + CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[0][1]); + CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][1]); + + // Discardable pixel refs are found in the following cells: + // |---|---| + // | x | x | + // |---|---| + // | | x | + // |---|---| + recording_source->add_draw_bitmap(discardable_bitmap[0][0], gfx::Point(0, 0)); + recording_source->add_draw_bitmap(discardable_bitmap[0][1], + gfx::Point(260, 0)); + recording_source->add_draw_bitmap(discardable_bitmap[1][1], + gfx::Point(260, 260)); + recording_source->SetGatherPixelRefs(true); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + // Tile sized iterators. These should find only one pixel ref. + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 1.0, &pixel_refs); + EXPECT_EQ(1u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[0][0].pixelRef(), pixel_refs[0]); + } + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 0, 512, 512), 2.0, &pixel_refs); + EXPECT_EQ(1u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[0][0].pixelRef(), pixel_refs[0]); + } + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 0, 128, 128), 0.5, &pixel_refs); + EXPECT_EQ(1u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[0][0].pixelRef(), pixel_refs[0]); + } + // Shifted tile sized iterators. These should find only one pixel ref. + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(260, 260, 256, 256), 1.0, &pixel_refs); + EXPECT_EQ(1u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[1][1].pixelRef(), pixel_refs[0]); + } + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(520, 520, 512, 512), 2.0, &pixel_refs); + EXPECT_EQ(1u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[1][1].pixelRef(), pixel_refs[0]); + } + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(130, 130, 128, 128), 0.5, &pixel_refs); + EXPECT_EQ(1u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[1][1].pixelRef(), pixel_refs[0]); + } + // Ensure there's no discardable pixel refs in the empty cell + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 256, 256, 256), 1.0, &pixel_refs); + EXPECT_EQ(0u, pixel_refs.size()); + } + // Layer sized iterators. These should find three pixel ref. + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 0, 512, 512), 1.0, &pixel_refs); + EXPECT_EQ(3u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[0][0].pixelRef(), pixel_refs[0]); + EXPECT_EQ(discardable_bitmap[0][1].pixelRef(), pixel_refs[1]); + EXPECT_EQ(discardable_bitmap[1][1].pixelRef(), pixel_refs[2]); + } + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 0, 1024, 1024), 2.0, &pixel_refs); + EXPECT_EQ(3u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[0][0].pixelRef(), pixel_refs[0]); + EXPECT_EQ(discardable_bitmap[0][1].pixelRef(), pixel_refs[1]); + EXPECT_EQ(discardable_bitmap[1][1].pixelRef(), pixel_refs[2]); + } + { + std::vector<SkPixelRef*> pixel_refs; + raster->GatherPixelRefs(gfx::Rect(0, 0, 256, 256), 0.5, &pixel_refs); + EXPECT_EQ(3u, pixel_refs.size()); + EXPECT_EQ(discardable_bitmap[0][0].pixelRef(), pixel_refs[0]); + EXPECT_EQ(discardable_bitmap[0][1].pixelRef(), pixel_refs[1]); + EXPECT_EQ(discardable_bitmap[1][1].pixelRef(), pixel_refs[2]); + } +} + +TEST(DisplayListRasterSourceTest, RasterFullContents) { + gfx::Size layer_bounds(3, 5); + float contents_scale = 1.5f; + float raster_divisions = 2.f; + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + recording_source->SetBackgroundColor(SK_ColorBLACK); + recording_source->SetClearCanvasWithDebugColor(false); + + // Because the caller sets content opaque, it also promises that it + // has at least filled in layer_bounds opaquely. + SkPaint white_paint; + white_paint.setColor(SK_ColorWHITE); + recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), + white_paint); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + gfx::Size content_bounds( + gfx::ToCeiledSize(gfx::ScaleSize(layer_bounds, contents_scale))); + + // Simulate drawing into different tiles at different offsets. + int step_x = std::ceil(content_bounds.width() / raster_divisions); + int step_y = std::ceil(content_bounds.height() / raster_divisions); + for (int offset_x = 0; offset_x < content_bounds.width(); + offset_x += step_x) { + for (int offset_y = 0; offset_y < content_bounds.height(); + offset_y += step_y) { + gfx::Rect content_rect(offset_x, offset_y, step_x, step_y); + content_rect.Intersect(gfx::Rect(content_bounds)); + + // Simulate a canvas rect larger than the content rect. Every pixel + // up to one pixel outside the content rect is guaranteed to be opaque. + // Outside of that is undefined. + gfx::Rect canvas_rect(content_rect); + canvas_rect.Inset(0, 0, -1, -1); + + SkBitmap bitmap; + bitmap.allocN32Pixels(canvas_rect.width(), canvas_rect.height()); + SkCanvas canvas(bitmap); + canvas.clear(SK_ColorTRANSPARENT); + + raster->PlaybackToCanvas(&canvas, canvas_rect, canvas_rect, + contents_scale); + + SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); + int num_pixels = bitmap.width() * bitmap.height(); + bool all_white = true; + for (int i = 0; i < num_pixels; ++i) { + EXPECT_EQ(SkColorGetA(pixels[i]), 255u); + all_white &= (SkColorGetR(pixels[i]) == 255); + all_white &= (SkColorGetG(pixels[i]) == 255); + all_white &= (SkColorGetB(pixels[i]) == 255); + } + + // If the canvas doesn't extend past the edge of the content, + // it should be entirely white. Otherwise, the edge of the content + // will be non-white. + EXPECT_EQ(all_white, gfx::Rect(content_bounds).Contains(canvas_rect)); + } + } +} + +TEST(DisplayListRasterSourceTest, RasterPartialContents) { + gfx::Size layer_bounds(3, 5); + float contents_scale = 1.5f; + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + recording_source->SetBackgroundColor(SK_ColorGREEN); + recording_source->SetClearCanvasWithDebugColor(false); + + // First record everything as white. + SkPaint white_paint; + white_paint.setColor(SK_ColorWHITE); + recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), + white_paint); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + gfx::Size content_bounds( + gfx::ToCeiledSize(gfx::ScaleSize(layer_bounds, contents_scale))); + + SkBitmap bitmap; + bitmap.allocN32Pixels(content_bounds.width(), content_bounds.height()); + SkCanvas canvas(bitmap); + canvas.clear(SK_ColorTRANSPARENT); + + // Playback the full rect which should make everything white. + gfx::Rect raster_full_rect(content_bounds); + gfx::Rect playback_rect(content_bounds); + raster->PlaybackToCanvas(&canvas, raster_full_rect, playback_rect, + contents_scale); + + { + SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); + for (int i = 0; i < bitmap.width(); ++i) { + for (int j = 0; j < bitmap.height(); ++j) { + SCOPED_TRACE(i); + SCOPED_TRACE(j); + EXPECT_EQ(255u, SkColorGetA(pixels[i + j * bitmap.width()])); + EXPECT_EQ(255u, SkColorGetR(pixels[i + j * bitmap.width()])); + EXPECT_EQ(255u, SkColorGetG(pixels[i + j * bitmap.width()])); + EXPECT_EQ(255u, SkColorGetB(pixels[i + j * bitmap.width()])); + } + } + } + + // Re-record everything as black. + SkPaint black_paint; + black_paint.setColor(SK_ColorBLACK); + recording_source->add_draw_rect_with_paint(gfx::Rect(layer_bounds), + black_paint); + recording_source->Rerecord(); + + // Make a new RasterSource from the new recording. + raster = DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + + // We're going to playback from "everything is black" into a smaller area. + playback_rect.Inset(1, 2); + raster->PlaybackToCanvas(&canvas, raster_full_rect, playback_rect, + contents_scale); + + SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); + int num_black = 0; + int num_white = 0; + for (int i = 0; i < bitmap.width(); ++i) { + for (int j = 0; j < bitmap.height(); ++j) { + SCOPED_TRACE(i); + SCOPED_TRACE(j); + bool expect_black = playback_rect.Contains(i, j); + if (expect_black) { + EXPECT_EQ(255u, SkColorGetA(pixels[i + j * bitmap.width()])); + EXPECT_EQ(0u, SkColorGetR(pixels[i + j * bitmap.width()])); + EXPECT_EQ(0u, SkColorGetG(pixels[i + j * bitmap.width()])); + EXPECT_EQ(0u, SkColorGetB(pixels[i + j * bitmap.width()])); + ++num_black; + } else { + EXPECT_EQ(255u, SkColorGetA(pixels[i + j * bitmap.width()])); + EXPECT_EQ(255u, SkColorGetR(pixels[i + j * bitmap.width()])); + EXPECT_EQ(255u, SkColorGetG(pixels[i + j * bitmap.width()])); + EXPECT_EQ(255u, SkColorGetB(pixels[i + j * bitmap.width()])); + ++num_white; + } + } + } + EXPECT_GT(num_black, 0); + EXPECT_GT(num_white, 0); +} + +TEST(DisplayListRasterSourceTest, RasterContentsTransparent) { + gfx::Size layer_bounds(5, 3); + float contents_scale = 0.5f; + + scoped_ptr<FakeDisplayListRecordingSource> recording_source = + FakeDisplayListRecordingSource::CreateFilledRecordingSource(layer_bounds); + recording_source->SetBackgroundColor(SK_ColorTRANSPARENT); + recording_source->SetRequiresClear(true); + recording_source->SetClearCanvasWithDebugColor(false); + recording_source->Rerecord(); + + scoped_refptr<DisplayListRasterSource> raster = + DisplayListRasterSource::CreateFromDisplayListRecordingSource( + recording_source.get(), false); + gfx::Size content_bounds( + gfx::ToCeiledSize(gfx::ScaleSize(layer_bounds, contents_scale))); + + gfx::Rect canvas_rect(content_bounds); + canvas_rect.Inset(0, 0, -1, -1); + + SkBitmap bitmap; + bitmap.allocN32Pixels(canvas_rect.width(), canvas_rect.height()); + SkCanvas canvas(bitmap); + + raster->PlaybackToCanvas(&canvas, canvas_rect, canvas_rect, contents_scale); + + SkColor* pixels = reinterpret_cast<SkColor*>(bitmap.getPixels()); + int num_pixels = bitmap.width() * bitmap.height(); + for (int i = 0; i < num_pixels; ++i) { + EXPECT_EQ(SkColorGetA(pixels[i]), 0u); + } +} + +} // namespace +} // namespace cc |