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Unified Diff: cc/resources/display_item_list_unittest.cc

Issue 1144693002: cc: Move files out of cc/resources/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: resources: android Created 5 years, 7 months ago
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Index: cc/resources/display_item_list_unittest.cc
diff --git a/cc/resources/display_item_list_unittest.cc b/cc/resources/display_item_list_unittest.cc
deleted file mode 100644
index 21dfea6fe6edc5d17f6cfafeee78a9e0d7677056..0000000000000000000000000000000000000000
--- a/cc/resources/display_item_list_unittest.cc
+++ /dev/null
@@ -1,340 +0,0 @@
-// Copyright 2014 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/display_item_list.h"
-
-#include <vector>
-
-#include "cc/output/filter_operation.h"
-#include "cc/output/filter_operations.h"
-#include "cc/resources/clip_display_item.h"
-#include "cc/resources/drawing_display_item.h"
-#include "cc/resources/filter_display_item.h"
-#include "cc/resources/transform_display_item.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/SkBitmap.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
-#include "third_party/skia/include/effects/SkBitmapSource.h"
-#include "third_party/skia/include/utils/SkPictureUtils.h"
-#include "ui/gfx/geometry/rect_conversions.h"
-#include "ui/gfx/skia_util.h"
-
-namespace cc {
-
-TEST(DisplayItemListTest, SingleDrawingItem) {
- gfx::Rect layer_rect(100, 100);
- SkPictureRecorder recorder;
- skia::RefPtr<SkCanvas> canvas;
- skia::RefPtr<SkPicture> picture;
- SkPaint blue_paint;
- blue_paint.setColor(SK_ColorBLUE);
- SkPaint red_paint;
- red_paint.setColor(SK_ColorRED);
- unsigned char pixels[4 * 100 * 100] = {0};
- const bool use_cached_picture = true;
- scoped_refptr<DisplayItemList> list =
- DisplayItemList::Create(layer_rect, use_cached_picture);
-
- gfx::PointF offset(8.f, 9.f);
- gfx::RectF recording_rect(offset, layer_rect.size());
- canvas = skia::SharePtr(
- recorder.beginRecording(gfx::RectFToSkRect(recording_rect)));
- canvas->translate(offset.x(), offset.y());
- canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
- canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
- picture = skia::AdoptRef(recorder.endRecordingAsPicture());
- auto* item = list->CreateAndAppendItem<DrawingDisplayItem>();
- item->SetNew(picture);
- list->ProcessAppendedItems();
- list->CreateAndCacheSkPicture();
- DrawDisplayList(pixels, layer_rect, list);
-
- SkBitmap expected_bitmap;
- unsigned char expected_pixels[4 * 100 * 100] = {0};
- SkImageInfo info =
- SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
- expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
- SkCanvas expected_canvas(expected_bitmap);
- expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
- expected_canvas.drawRectCoords(0.f + offset.x(), 0.f + offset.y(),
- 60.f + offset.x(), 60.f + offset.y(),
- red_paint);
- expected_canvas.drawRectCoords(50.f + offset.x(), 50.f + offset.y(),
- 75.f + offset.x(), 75.f + offset.y(),
- blue_paint);
-
- EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
-}
-
-TEST(DisplayItemListTest, ClipItem) {
- gfx::Rect layer_rect(100, 100);
- SkPictureRecorder recorder;
- skia::RefPtr<SkCanvas> canvas;
- skia::RefPtr<SkPicture> picture;
- SkPaint blue_paint;
- blue_paint.setColor(SK_ColorBLUE);
- SkPaint red_paint;
- red_paint.setColor(SK_ColorRED);
- unsigned char pixels[4 * 100 * 100] = {0};
- const bool use_cached_picture = true;
- scoped_refptr<DisplayItemList> list =
- DisplayItemList::Create(layer_rect, use_cached_picture);
-
- gfx::PointF first_offset(8.f, 9.f);
- gfx::RectF first_recording_rect(first_offset, layer_rect.size());
- canvas = skia::SharePtr(
- recorder.beginRecording(gfx::RectFToSkRect(first_recording_rect)));
- canvas->translate(first_offset.x(), first_offset.y());
- canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
- picture = skia::AdoptRef(recorder.endRecordingAsPicture());
- auto* item1 = list->CreateAndAppendItem<DrawingDisplayItem>();
- item1->SetNew(picture.Pass());
-
- gfx::Rect clip_rect(60, 60, 10, 10);
- auto* item2 = list->CreateAndAppendItem<ClipDisplayItem>();
- item2->SetNew(clip_rect, std::vector<SkRRect>());
-
- gfx::PointF second_offset(2.f, 3.f);
- gfx::RectF second_recording_rect(second_offset, layer_rect.size());
- canvas = skia::SharePtr(
- recorder.beginRecording(gfx::RectFToSkRect(second_recording_rect)));
- canvas->translate(second_offset.x(), second_offset.y());
- canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
- picture = skia::AdoptRef(recorder.endRecordingAsPicture());
- auto* item3 = list->CreateAndAppendItem<DrawingDisplayItem>();
- item3->SetNew(picture.Pass());
-
- list->CreateAndAppendItem<EndClipDisplayItem>();
- list->ProcessAppendedItems();
- list->CreateAndCacheSkPicture();
-
- DrawDisplayList(pixels, layer_rect, list);
-
- SkBitmap expected_bitmap;
- unsigned char expected_pixels[4 * 100 * 100] = {0};
- SkImageInfo info =
- SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
- expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
- SkCanvas expected_canvas(expected_bitmap);
- expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
- expected_canvas.drawRectCoords(0.f + first_offset.x(), 0.f + first_offset.y(),
- 60.f + first_offset.x(),
- 60.f + first_offset.y(), red_paint);
- expected_canvas.clipRect(gfx::RectToSkRect(clip_rect));
- expected_canvas.drawRectCoords(
- 50.f + second_offset.x(), 50.f + second_offset.y(),
- 75.f + second_offset.x(), 75.f + second_offset.y(), blue_paint);
-
- EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
-}
-
-TEST(DisplayItemListTest, TransformItem) {
- gfx::Rect layer_rect(100, 100);
- SkPictureRecorder recorder;
- skia::RefPtr<SkCanvas> canvas;
- skia::RefPtr<SkPicture> picture;
- SkPaint blue_paint;
- blue_paint.setColor(SK_ColorBLUE);
- SkPaint red_paint;
- red_paint.setColor(SK_ColorRED);
- unsigned char pixels[4 * 100 * 100] = {0};
- const bool use_cached_picture = true;
- scoped_refptr<DisplayItemList> list =
- DisplayItemList::Create(layer_rect, use_cached_picture);
-
- gfx::PointF first_offset(8.f, 9.f);
- gfx::RectF first_recording_rect(first_offset, layer_rect.size());
- canvas = skia::SharePtr(
- recorder.beginRecording(gfx::RectFToSkRect(first_recording_rect)));
- canvas->translate(first_offset.x(), first_offset.y());
- canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
- picture = skia::AdoptRef(recorder.endRecordingAsPicture());
- auto* item1 = list->CreateAndAppendItem<DrawingDisplayItem>();
- item1->SetNew(picture);
-
- gfx::Transform transform;
- transform.Rotate(45.0);
- auto* item2 = list->CreateAndAppendItem<TransformDisplayItem>();
- item2->SetNew(transform);
-
- gfx::PointF second_offset(2.f, 3.f);
- gfx::RectF second_recording_rect(second_offset, layer_rect.size());
- canvas = skia::SharePtr(
- recorder.beginRecording(gfx::RectFToSkRect(second_recording_rect)));
- canvas->translate(second_offset.x(), second_offset.y());
- canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
- picture = skia::AdoptRef(recorder.endRecordingAsPicture());
- auto* item3 = list->CreateAndAppendItem<DrawingDisplayItem>();
- item3->SetNew(picture);
-
- list->CreateAndAppendItem<EndTransformDisplayItem>();
- list->ProcessAppendedItems();
- list->CreateAndCacheSkPicture();
-
- DrawDisplayList(pixels, layer_rect, list);
-
- SkBitmap expected_bitmap;
- unsigned char expected_pixels[4 * 100 * 100] = {0};
- SkImageInfo info =
- SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
- expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
- SkCanvas expected_canvas(expected_bitmap);
- expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
- expected_canvas.drawRectCoords(0.f + first_offset.x(), 0.f + first_offset.y(),
- 60.f + first_offset.x(),
- 60.f + first_offset.y(), red_paint);
- expected_canvas.setMatrix(transform.matrix());
- expected_canvas.drawRectCoords(
- 50.f + second_offset.x(), 50.f + second_offset.y(),
- 75.f + second_offset.x(), 75.f + second_offset.y(), blue_paint);
-
- EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
-}
-
-TEST(DisplayItemListTest, FilterItem) {
- gfx::Rect layer_rect(100, 100);
- FilterOperations filters;
- unsigned char pixels[4 * 100 * 100] = {0};
- const bool use_cached_picture = true;
- scoped_refptr<DisplayItemList> list =
- DisplayItemList::Create(layer_rect, use_cached_picture);
-
- SkBitmap source_bitmap;
- source_bitmap.allocN32Pixels(50, 50);
- SkCanvas source_canvas(source_bitmap);
- source_canvas.clear(SkColorSetRGB(128, 128, 128));
-
- // For most SkImageFilters, the |dst| bounds computed by computeFastBounds are
- // dependent on the provided |src| bounds. This means, for example, that
- // translating |src| results in a corresponding translation of |dst|. But this
- // is not the case for all SkImageFilters; for some of them (e.g.
- // SkBitmapSource), the computation of |dst| in computeFastBounds doesn't
- // involve |src| at all. Incorrectly assuming such a relationship (e.g. by
- // translating |dst| after it is computed by computeFastBounds, rather than
- // translating |src| before it provided to computedFastBounds) can cause
- // incorrect clipping of filter output. To test for this, we include an
- // SkBitmapSource filter in |filters|. Here, |src| is |filter_bounds|, defined
- // below.
- skia::RefPtr<SkImageFilter> image_filter =
- skia::AdoptRef(SkBitmapSource::Create(source_bitmap));
- filters.Append(FilterOperation::CreateReferenceFilter(image_filter));
- filters.Append(FilterOperation::CreateBrightnessFilter(0.5f));
- gfx::RectF filter_bounds(10.f, 10.f, 50.f, 50.f);
- auto* item = list->CreateAndAppendItem<FilterDisplayItem>();
- item->SetNew(filters, filter_bounds);
- list->CreateAndAppendItem<EndFilterDisplayItem>();
- list->ProcessAppendedItems();
- list->CreateAndCacheSkPicture();
-
- DrawDisplayList(pixels, layer_rect, list);
-
- SkBitmap expected_bitmap;
- unsigned char expected_pixels[4 * 100 * 100] = {0};
- SkPaint paint;
- paint.setColor(SkColorSetRGB(64, 64, 64));
- SkImageInfo info =
- SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
- expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
- SkCanvas expected_canvas(expected_bitmap);
- expected_canvas.drawRect(RectFToSkRect(filter_bounds), paint);
-
- EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
-}
-
-TEST(DisplayItemListTest, CompactingItems) {
- gfx::Rect layer_rect(100, 100);
- SkPictureRecorder recorder;
- skia::RefPtr<SkCanvas> canvas;
- skia::RefPtr<SkPicture> picture;
- SkPaint blue_paint;
- blue_paint.setColor(SK_ColorBLUE);
- SkPaint red_paint;
- red_paint.setColor(SK_ColorRED);
- unsigned char pixels[4 * 100 * 100] = {0};
-
- gfx::PointF offset(8.f, 9.f);
- gfx::RectF recording_rect(offset, layer_rect.size());
-
- bool use_cached_picture = false;
- scoped_refptr<DisplayItemList> list_without_caching =
- DisplayItemList::Create(layer_rect, use_cached_picture);
-
- canvas = skia::SharePtr(
- recorder.beginRecording(gfx::RectFToSkRect(recording_rect)));
- canvas->translate(offset.x(), offset.y());
- canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
- canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
- picture = skia::AdoptRef(recorder.endRecordingAsPicture());
- auto* item1 = list_without_caching->CreateAndAppendItem<DrawingDisplayItem>();
- item1->SetNew(picture);
- list_without_caching->ProcessAppendedItems();
- DrawDisplayList(pixels, layer_rect, list_without_caching);
-
- unsigned char expected_pixels[4 * 100 * 100] = {0};
- use_cached_picture = true;
- scoped_refptr<DisplayItemList> list_with_caching =
- DisplayItemList::Create(layer_rect, use_cached_picture);
- auto* item2 = list_with_caching->CreateAndAppendItem<DrawingDisplayItem>();
- item2->SetNew(picture);
- list_with_caching->ProcessAppendedItems();
- list_with_caching->CreateAndCacheSkPicture();
- DrawDisplayList(expected_pixels, layer_rect, list_with_caching);
-
- EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
-}
-
-TEST(DisplayItemListTest, PictureMemoryUsage) {
- scoped_refptr<DisplayItemList> list;
- size_t memory_usage;
-
- // Make an SkPicture whose size is known.
- gfx::Rect layer_rect(100, 100);
- SkPictureRecorder recorder;
- SkPaint blue_paint;
- blue_paint.setColor(SK_ColorBLUE);
- SkCanvas* canvas = recorder.beginRecording(gfx::RectFToSkRect(layer_rect));
- for (int i = 0; i < 100; i++)
- canvas->drawPaint(blue_paint);
- skia::RefPtr<SkPicture> picture =
- skia::AdoptRef(recorder.endRecordingAsPicture());
- size_t picture_size = SkPictureUtils::ApproximateBytesUsed(picture.get());
- ASSERT_GE(picture_size, 100 * sizeof(SkPaint));
- ASSERT_LE(picture_size, 200 * sizeof(SkPaint));
-
- // Using a cached picture, we should get about the right size.
- list = DisplayItemList::Create(layer_rect, true);
- auto* item = list->CreateAndAppendItem<DrawingDisplayItem>();
- item->SetNew(picture);
- list->ProcessAppendedItems();
- list->CreateAndCacheSkPicture();
- memory_usage = list->PictureMemoryUsage();
- EXPECT_GE(memory_usage, picture_size);
- EXPECT_LE(memory_usage, 2 * picture_size);
-
- // Using no cached picture, we should still get the right size.
- list = DisplayItemList::Create(layer_rect, false);
- item = list->CreateAndAppendItem<DrawingDisplayItem>();
- item->SetNew(picture);
- list->ProcessAppendedItems();
- memory_usage = list->PictureMemoryUsage();
- EXPECT_GE(memory_usage, picture_size);
- EXPECT_LE(memory_usage, 2 * picture_size);
-
- // To avoid double counting, we expect zero size to be computed if both the
- // picture and items are retained (currently this only happens due to certain
- // categories being traced).
- list = new DisplayItemList(layer_rect, true, true);
- item = list->CreateAndAppendItem<DrawingDisplayItem>();
- item->SetNew(picture);
- list->ProcessAppendedItems();
- list->CreateAndCacheSkPicture();
- memory_usage = list->PictureMemoryUsage();
- EXPECT_EQ(static_cast<size_t>(0), memory_usage);
-}
-
-} // namespace cc
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