// 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/test/fake_picture_pile_impl.h"
#include "cc/test/fake_rendering_stats_instrumentation.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/rect.h"
#include "ui/gfx/size_conversions.h"
namespace cc {
namespace {
TEST(PicturePileImplTest, AnalyzeIsSolidUnscaled) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, 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);
pile->add_draw_rect_with_paint(gfx::Rect(0, 0, 400, 400), solid_paint);
pile->RerecordPile();
// Ensure everything is solid
for (int y = 0; y <= 300; y += 100) {
for (int x = 0; x <= 300; x += 100) {
PicturePileImpl::Analysis analysis;
gfx::Rect rect(x, y, 100, 100);
pile->AnalyzeInRect(rect, 1.0, &analysis);
EXPECT_TRUE(analysis.is_solid_color) << rect.ToString();
EXPECT_EQ(analysis.solid_color, solid_color) << rect.ToString();
}
}
// One pixel non solid
pile->add_draw_rect_with_paint(gfx::Rect(50, 50, 1, 1), non_solid_paint);
pile->RerecordPile();
PicturePileImpl::Analysis analysis;
pile->AnalyzeInRect(gfx::Rect(0, 0, 100, 100), 1.0, &analysis);
EXPECT_FALSE(analysis.is_solid_color);
pile->AnalyzeInRect(gfx::Rect(100, 0, 100, 100), 1.0, &analysis);
EXPECT_TRUE(analysis.is_solid_color);
EXPECT_EQ(analysis.solid_color, solid_color);
// Boundaries should be clipped
analysis.is_solid_color = false;
pile->AnalyzeInRect(gfx::Rect(350, 0, 100, 100), 1.0, &analysis);
EXPECT_TRUE(analysis.is_solid_color);
EXPECT_EQ(analysis.solid_color, solid_color);
analysis.is_solid_color = false;
pile->AnalyzeInRect(gfx::Rect(0, 350, 100, 100), 1.0, &analysis);
EXPECT_TRUE(analysis.is_solid_color);
EXPECT_EQ(analysis.solid_color, solid_color);
analysis.is_solid_color = false;
pile->AnalyzeInRect(gfx::Rect(350, 350, 100, 100), 1.0, &analysis);
EXPECT_TRUE(analysis.is_solid_color);
EXPECT_EQ(analysis.solid_color, solid_color);
}
TEST(PicturePileImplTest, AnalyzeIsSolidScaled) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, 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);
pile->add_draw_rect_with_paint(gfx::Rect(0, 0, 400, 400), solid_paint);
pile->RerecordPile();
// Ensure everything is solid
for (int y = 0; y <= 30; y += 10) {
for (int x = 0; x <= 30; x += 10) {
PicturePileImpl::Analysis analysis;
gfx::Rect rect(x, y, 10, 10);
pile->AnalyzeInRect(rect, 0.1f, &analysis);
EXPECT_TRUE(analysis.is_solid_color) << rect.ToString();
EXPECT_EQ(analysis.solid_color, solid_color) << rect.ToString();
}
}
// One pixel non solid
pile->add_draw_rect_with_paint(gfx::Rect(50, 50, 1, 1), non_solid_paint);
pile->RerecordPile();
PicturePileImpl::Analysis analysis;
pile->AnalyzeInRect(gfx::Rect(0, 0, 10, 10), 0.1f, &analysis);
EXPECT_FALSE(analysis.is_solid_color);
pile->AnalyzeInRect(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;
pile->AnalyzeInRect(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;
pile->AnalyzeInRect(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;
pile->AnalyzeInRect(gfx::Rect(35, 35, 10, 10), 0.1f, &analysis);
EXPECT_TRUE(analysis.is_solid_color);
EXPECT_EQ(analysis.solid_color, solid_color);
}
TEST(PicturePileImplTest, AnalyzeIsSolidEmpty) {
gfx::Size tile_size(100, 100);
gfx::Size layer_bounds(400, 400);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
PicturePileImpl::Analysis analysis;
EXPECT_FALSE(analysis.is_solid_color);
pile->AnalyzeInRect(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(PicturePileImplTest, PixelRefIteratorEmpty) {
gfx::Size tile_size(128, 128);
gfx::Size layer_bounds(256, 256);
// Create a filled pile with no recording.
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
// Tile sized iterators.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 2.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 64, 64), 0.5, pile.get());
EXPECT_FALSE(iterator);
}
// Shifted tile sized iterators.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(140, 140, 128, 128), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(280, 280, 256, 256), 2.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(70, 70, 64, 64), 0.5, pile.get());
EXPECT_FALSE(iterator);
}
// Layer sized iterators.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 2.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 0.5, pile.get());
EXPECT_FALSE(iterator);
}
}
TEST(PicturePileImplTest, PixelRefIteratorNoDiscardableRefs) {
gfx::Size tile_size(128, 128);
gfx::Size layer_bounds(256, 256);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SkPaint simple_paint;
simple_paint.setColor(SkColorSetARGB(255, 12, 23, 34));
SkBitmap non_discardable_bitmap;
CreateBitmap(gfx::Size(128, 128), "notdiscardable", &non_discardable_bitmap);
pile->add_draw_rect_with_paint(gfx::Rect(0, 0, 256, 256), simple_paint);
pile->add_draw_rect_with_paint(gfx::Rect(128, 128, 512, 512), simple_paint);
pile->add_draw_rect_with_paint(gfx::Rect(512, 0, 256, 256), simple_paint);
pile->add_draw_rect_with_paint(gfx::Rect(0, 512, 256, 256), simple_paint);
pile->add_draw_bitmap(non_discardable_bitmap, gfx::Point(128, 0));
pile->add_draw_bitmap(non_discardable_bitmap, gfx::Point(0, 128));
pile->add_draw_bitmap(non_discardable_bitmap, gfx::Point(150, 150));
pile->RerecordPile();
// Tile sized iterators.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 2.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 64, 64), 0.5, pile.get());
EXPECT_FALSE(iterator);
}
// Shifted tile sized iterators.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(140, 140, 128, 128), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(280, 280, 256, 256), 2.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(70, 70, 64, 64), 0.5, pile.get());
EXPECT_FALSE(iterator);
}
// Layer sized iterators.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 2.0, pile.get());
EXPECT_FALSE(iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 0.5, pile.get());
EXPECT_FALSE(iterator);
}
}
TEST(PicturePileImplTest, PixelRefIteratorDiscardableRefs) {
gfx::Size tile_size(128, 128);
gfx::Size layer_bounds(256, 256);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, 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[1][0]);
CreateBitmap(gfx::Size(32, 32), "discardable", &discardable_bitmap[1][1]);
// Discardable pixel refs are found in the following cells:
// |---|---|
// | x | |
// |---|---|
// | x | x |
// |---|---|
pile->add_draw_bitmap(discardable_bitmap[0][0], gfx::Point(0, 0));
pile->add_draw_bitmap(discardable_bitmap[1][0], gfx::Point(0, 130));
pile->add_draw_bitmap(discardable_bitmap[1][1], gfx::Point(140, 140));
pile->RerecordPile();
// Tile sized iterators. These should find only one pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 64, 64), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
// Shifted tile sized iterators. These should find only one pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(140, 140, 128, 128), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(280, 280, 256, 256), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(70, 70, 64, 64), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
// Ensure there's no discardable pixel refs in the empty cell
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(140, 0, 128, 128), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
// Layer sized iterators. These should find all 3 pixel refs.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
}
TEST(PicturePileImplTest, PixelRefIteratorDiscardableRefsOneTile) {
gfx::Size tile_size(256, 256);
gfx::Size layer_bounds(512, 512);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, 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 |
// |---|---|
pile->add_draw_bitmap(discardable_bitmap[0][0], gfx::Point(0, 0));
pile->add_draw_bitmap(discardable_bitmap[0][1], gfx::Point(260, 0));
pile->add_draw_bitmap(discardable_bitmap[1][1], gfx::Point(260, 260));
pile->RerecordPile();
// Tile sized iterators. These should find only one pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
// Shifted tile sized iterators. These should find only one pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(260, 260, 256, 256), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(520, 520, 512, 512), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(130, 130, 128, 128), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
// Ensure there's no discardable pixel refs in the empty cell
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 256, 256, 256), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
// Layer sized iterators. These should find three pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 1024, 1024), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
// Copy test.
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
// copy now points to the same spot as iterator,
// but both can be incremented independently.
PicturePileImpl::PixelRefIterator copy = iterator;
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
EXPECT_TRUE(copy);
EXPECT_TRUE(*copy == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++copy);
EXPECT_TRUE(*copy == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++copy);
}
TEST(PicturePileImplTest, PixelRefIteratorDiscardableRefsBaseNonDiscardable) {
gfx::Size tile_size(256, 256);
gfx::Size layer_bounds(512, 512);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
SkBitmap non_discardable_bitmap;
CreateBitmap(gfx::Size(512, 512), "notdiscardable", &non_discardable_bitmap);
SkBitmap discardable_bitmap[2][2];
CreateBitmap(gfx::Size(128, 128), "discardable", &discardable_bitmap[0][0]);
CreateBitmap(gfx::Size(128, 128), "discardable", &discardable_bitmap[0][1]);
CreateBitmap(gfx::Size(128, 128), "discardable", &discardable_bitmap[1][1]);
// One large non-discardable bitmap covers the whole grid.
// Discardable pixel refs are found in the following cells:
// |---|---|
// | x | x |
// |---|---|
// | | x |
// |---|---|
pile->add_draw_bitmap(non_discardable_bitmap, gfx::Point(0, 0));
pile->add_draw_bitmap(discardable_bitmap[0][0], gfx::Point(0, 0));
pile->add_draw_bitmap(discardable_bitmap[0][1], gfx::Point(260, 0));
pile->add_draw_bitmap(discardable_bitmap[1][1], gfx::Point(260, 260));
pile->RerecordPile();
// Tile sized iterators. These should find only one pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 128, 128), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_FALSE(++iterator);
}
// Shifted tile sized iterators. These should find only one pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(260, 260, 256, 256), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(520, 520, 512, 512), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(130, 130, 128, 128), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
// Ensure there's no discardable pixel refs in the empty cell
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 256, 256, 256), 1.0, pile.get());
EXPECT_FALSE(iterator);
}
// Layer sized iterators. These should find three pixel ref.
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 512, 512), 1.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 1024, 1024), 2.0, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
PicturePileImpl::PixelRefIterator iterator(
gfx::Rect(0, 0, 256, 256), 0.5, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0][1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1][1].pixelRef());
EXPECT_FALSE(++iterator);
}
}
class FullContentsTest : public ::testing::TestWithParam<bool> {};
TEST_P(FullContentsTest, RasterFullContents) {
gfx::Size tile_size(1000, 1000);
gfx::Size layer_bounds(3, 5);
float contents_scale = 1.5f;
float raster_divisions = 2.f;
// Param in this case is whether the content is fully opaque
// or just filled completely. For this test they should behave the same.
bool contents_opaque = GetParam();
bool fills_content = !GetParam();
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
// 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);
pile->add_draw_rect_with_paint(gfx::Rect(layer_bounds), white_paint);
pile->SetMinContentsScale(contents_scale);
pile->set_background_color(SK_ColorBLACK);
pile->set_contents_opaque(contents_opaque);
pile->set_contents_fill_bounds_completely(fills_content);
pile->set_clear_canvas_with_debug_color(false);
pile->RerecordPile();
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);
FakeRenderingStatsInstrumentation rendering_stats_instrumentation;
pile->RasterToBitmap(&canvas,
canvas_rect,
contents_scale,
&rendering_stats_instrumentation);
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));
}
}
}
INSTANTIATE_TEST_CASE_P(PicturePileImpl,
FullContentsTest,
::testing::Values(false, true));
TEST(PicturePileImpl, RasterContentsTransparent) {
gfx::Size tile_size(1000, 1000);
gfx::Size layer_bounds(5, 3);
float contents_scale = 0.5f;
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
pile->set_background_color(SK_ColorTRANSPARENT);
pile->set_contents_opaque(false);
pile->SetMinContentsScale(contents_scale);
pile->set_clear_canvas_with_debug_color(false);
pile->RerecordPile();
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);
FakeRenderingStatsInstrumentation rendering_stats_instrumentation;
pile->RasterToBitmap(
&canvas, canvas_rect, contents_scale, &rendering_stats_instrumentation);
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);
}
}
class OverlapTest : public ::testing::TestWithParam<float> {
public:
static float MinContentsScale() { return 1.f / 4.f; }
};
TEST_P(OverlapTest, NoOverlap) {
gfx::Size tile_size(10, 10);
gfx::Size layer_bounds(30, 30);
gfx::Size bigger_than_layer_bounds(300, 300);
float contents_scale = GetParam();
// Pick an opaque color to not have to deal with premultiplication off-by-one.
SkColor test_color = SkColorSetARGB(255, 45, 56, 67);
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
pile->set_background_color(SK_ColorTRANSPARENT);
pile->set_contents_opaque(false);
pile->SetMinContentsScale(MinContentsScale());
pile->set_clear_canvas_with_debug_color(true);
SkPaint color_paint;
color_paint.setColor(test_color);
// Additive paint, so that if two paints overlap, the color will change.
color_paint.setXfermodeMode(SkXfermode::kPlus_Mode);
// Paint outside the layer to make sure that blending works.
pile->add_draw_rect_with_paint(gfx::RectF(bigger_than_layer_bounds),
color_paint);
pile->RerecordPile();
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);
FakeRenderingStatsInstrumentation rendering_stats_instrumentation;
pile->RasterToBitmap(&canvas,
gfx::Rect(content_bounds),
contents_scale,
&rendering_stats_instrumentation);
for (int y = 0; y < bitmap.height(); y++) {
for (int x = 0; x < bitmap.width(); x++) {
SkColor color = bitmap.getColor(x, y);
EXPECT_EQ(SkColorGetR(test_color), SkColorGetR(color)) << "x: " << x
<< ", y: " << y;
EXPECT_EQ(SkColorGetG(test_color), SkColorGetG(color)) << "x: " << x
<< ", y: " << y;
EXPECT_EQ(SkColorGetB(test_color), SkColorGetB(color)) << "x: " << x
<< ", y: " << y;
EXPECT_EQ(SkColorGetA(test_color), SkColorGetA(color)) << "x: " << x
<< ", y: " << y;
if (test_color != color)
break;
}
}
}
INSTANTIATE_TEST_CASE_P(PicturePileImpl,
OverlapTest,
::testing::Values(1.f, 0.873f, 1.f / 4.f, 4.f));
TEST(PicturePileImplTest, PixelRefIteratorBorders) {
// 3 tile width / 1 tile height pile
gfx::Size tile_size(128, 128);
gfx::Size layer_bounds(320, 128);
// Fake picture pile impl uses a tile grid the size of the tile. So,
// any iteration that intersects with a tile will return all pixel refs
// inside of it.
scoped_refptr<FakePicturePileImpl> pile =
FakePicturePileImpl::CreateFilledPile(tile_size, layer_bounds);
pile->SetMinContentsScale(0.5f);
// Bitmaps 0-2 are exactly on tiles 0-2, so that they overlap the borders
// of adjacent tiles.
gfx::Rect bitmap_rects[] = {pile->tiling().TileBounds(0, 0),
pile->tiling().TileBounds(1, 0),
pile->tiling().TileBounds(2, 0), };
SkBitmap discardable_bitmap[arraysize(bitmap_rects)];
for (size_t i = 0; i < arraysize(bitmap_rects); ++i) {
CreateBitmap(bitmap_rects[i].size(), "discardable", &discardable_bitmap[i]);
pile->add_draw_bitmap(discardable_bitmap[i], bitmap_rects[i].origin());
}
// Sanity check that bitmaps 0-2 intersect the borders of their adjacent
// tiles, but not the actual tiles.
EXPECT_TRUE(
bitmap_rects[0].Intersects(pile->tiling().TileBoundsWithBorder(1, 0)));
EXPECT_FALSE(bitmap_rects[0].Intersects(pile->tiling().TileBounds(1, 0)));
EXPECT_TRUE(
bitmap_rects[1].Intersects(pile->tiling().TileBoundsWithBorder(0, 0)));
EXPECT_FALSE(bitmap_rects[1].Intersects(pile->tiling().TileBounds(0, 0)));
EXPECT_TRUE(
bitmap_rects[1].Intersects(pile->tiling().TileBoundsWithBorder(2, 0)));
EXPECT_FALSE(bitmap_rects[1].Intersects(pile->tiling().TileBounds(2, 0)));
EXPECT_TRUE(
bitmap_rects[2].Intersects(pile->tiling().TileBoundsWithBorder(1, 0)));
EXPECT_FALSE(bitmap_rects[2].Intersects(pile->tiling().TileBounds(1, 0)));
pile->RerecordPile();
// Tile-sized iterators.
{
// Because tile 0's borders extend onto tile 1, it will include both
// bitmap 0 and 1. However, it should *not* include bitmap 2.
PicturePileImpl::PixelRefIterator iterator(
pile->tiling().TileBounds(0, 0), 1.f, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1].pixelRef());
EXPECT_FALSE(++iterator);
}
{
// Tile 1 + borders hits all bitmaps.
PicturePileImpl::PixelRefIterator iterator(
pile->tiling().TileBounds(1, 0), 1.f, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[0].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[2].pixelRef());
EXPECT_FALSE(++iterator);
}
{
// Tile 2 should not include bitmap 0, which is only on tile 0 and the
// borders of tile 1.
PicturePileImpl::PixelRefIterator iterator(
pile->tiling().TileBounds(2, 0), 1.f, pile.get());
EXPECT_TRUE(iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[1].pixelRef());
EXPECT_TRUE(++iterator);
EXPECT_TRUE(*iterator == discardable_bitmap[2].pixelRef());
EXPECT_FALSE(++iterator);
}
}
} // namespace
} // namespace cc