blob: 89d4970da8a3c460f3d1956f9f129c365eba90f8 [file] [log] [blame]
// 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/playback/display_item_list.h"
#include <vector>
#include "cc/output/filter_operation.h"
#include "cc/output/filter_operations.h"
#include "cc/playback/clip_display_item.h"
#include "cc/playback/display_item_list_settings.h"
#include "cc/playback/drawing_display_item.h"
#include "cc/playback/filter_display_item.h"
#include "cc/playback/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->Finalize();
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->Finalize();
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->Finalize();
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->Finalize();
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->Finalize();
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->Finalize();
DrawDisplayList(expected_pixels, layer_rect, list_with_caching);
EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
}
TEST(DisplayItemListTest, IsSuitableForGpuRasterizationWithCachedPicture) {
gfx::Rect layer_rect(1000, 1000);
SkPictureRecorder recorder;
skia::RefPtr<SkCanvas> canvas;
skia::RefPtr<SkPicture> picture;
bool use_cached_picture = true;
scoped_refptr<DisplayItemList> list =
DisplayItemList::Create(layer_rect, use_cached_picture);
canvas =
skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
SkPath path;
path.moveTo(0, 0);
path.lineTo(0, 100);
path.lineTo(50, 50);
path.lineTo(100, 100);
path.lineTo(100, 0);
path.close();
SkPaint paint;
paint.setAntiAlias(true);
canvas->drawPath(path, paint);
picture = skia::AdoptRef(recorder.endRecordingAsPicture());
DrawingDisplayItem* item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
list->Finalize();
// A single DrawingDisplayItem with a large AA concave path shouldn't trigger
// a veto.
EXPECT_TRUE(list->IsSuitableForGpuRasterization());
list = DisplayItemList::Create(layer_rect, use_cached_picture);
canvas =
skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
for (int i = 0; i < 10; ++i)
canvas->drawPath(path, paint);
picture = skia::AdoptRef(recorder.endRecordingAsPicture());
item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
list->Finalize();
// A single DrawingDisplayItem with several large AA concave paths should
// trigger a veto.
EXPECT_FALSE(list->IsSuitableForGpuRasterization());
list = DisplayItemList::Create(layer_rect, use_cached_picture);
for (int i = 0; i < 10; ++i) {
canvas =
skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
canvas->drawPath(path, paint);
picture = skia::AdoptRef(recorder.endRecordingAsPicture());
item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
}
list->Finalize();
// Having several DrawingDisplayItems that each contain a large AA concave
// path should trigger a veto.
EXPECT_FALSE(list->IsSuitableForGpuRasterization());
}
TEST(DisplayItemListTest, IsSuitableForGpuRasterizationWithoutCachedPicture) {
gfx::Rect layer_rect(1000, 1000);
SkPictureRecorder recorder;
skia::RefPtr<SkCanvas> canvas;
skia::RefPtr<SkPicture> picture;
bool use_cached_picture = false;
scoped_refptr<DisplayItemList> list =
DisplayItemList::Create(layer_rect, use_cached_picture);
canvas =
skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
SkPath path;
path.moveTo(0, 0);
path.lineTo(0, 100);
path.lineTo(50, 50);
path.lineTo(100, 100);
path.lineTo(100, 0);
path.close();
SkPaint paint;
paint.setAntiAlias(true);
canvas->drawPath(path, paint);
picture = skia::AdoptRef(recorder.endRecordingAsPicture());
DrawingDisplayItem* item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
list->Finalize();
// A single DrawingDisplayItem with a large AA concave path shouldn't trigger
// a veto.
EXPECT_TRUE(list->IsSuitableForGpuRasterization());
list = DisplayItemList::Create(layer_rect, use_cached_picture);
canvas =
skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
for (int i = 0; i < 10; ++i)
canvas->drawPath(path, paint);
picture = skia::AdoptRef(recorder.endRecordingAsPicture());
item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
list->Finalize();
// A single DrawingDisplayItem with several large AA concave paths should
// trigger a veto.
EXPECT_FALSE(list->IsSuitableForGpuRasterization());
list = DisplayItemList::Create(layer_rect, use_cached_picture);
for (int i = 0; i < 10; ++i) {
canvas =
skia::SharePtr(recorder.beginRecording(gfx::RectToSkRect(layer_rect)));
canvas->drawPath(path, paint);
picture = skia::AdoptRef(recorder.endRecordingAsPicture());
item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
}
list->Finalize();
// Without a cached picture, having several DrawingDisplayItems that each
// contain a single large AA concave will not trigger a veto, since each item
// is individually suitable for GPU rasterization.
EXPECT_TRUE(list->IsSuitableForGpuRasterization());
}
TEST(DisplayItemListTest, ApproximateMemoryUsage) {
const int kNumCommandsInTestSkPicture = 1000;
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 < kNumCommandsInTestSkPicture; 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, kNumCommandsInTestSkPicture * sizeof(blue_paint));
// 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->Finalize();
memory_usage = list->ApproximateMemoryUsage();
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->Finalize();
memory_usage = list->ApproximateMemoryUsage();
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).
DisplayItemListSettings settings;
settings.use_cached_picture = true;
list = new DisplayItemList(layer_rect, settings, true);
item = list->CreateAndAppendItem<DrawingDisplayItem>();
item->SetNew(picture);
list->Finalize();
memory_usage = list->ApproximateMemoryUsage();
EXPECT_EQ(static_cast<size_t>(0), memory_usage);
}
} // namespace cc