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// Copyright 2017 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/base/completion_event.h"
#include "cc/test/fake_content_layer_client.h"
#include "cc/test/fake_picture_layer.h"
#include "cc/test/layer_tree_test.h"
#include "cc/test/skia_common.h"
#include "cc/trees/layer_tree_impl.h"
#include "components/ukm/test_ukm_recorder.h"
#include "components/viz/test/begin_frame_args_test.h"
#include "components/viz/test/fake_external_begin_frame_source.h"
#include "components/viz/test/test_layer_tree_frame_sink.h"
namespace cc {
namespace {
const char kRenderingEvent[] = "Compositor.Rendering";
const char kCheckerboardImagesMetric[] = "CheckerboardedImagesCount";
class LayerTreeHostCheckerImagingTest : public LayerTreeTest {
public:
LayerTreeHostCheckerImagingTest() : url_(GURL("https://example.com")) {}
void BeginTest() override {
layer_tree_host()->SetURLForUkm(url_);
PostSetNeedsCommitToMainThread();
}
void AfterTest() override {}
void VerifyUkmAndEndTest(LayerTreeHostImpl* impl) {
// Change the URL to ensure any accumulated metrics are flushed.
impl->ukm_manager()->SetSourceURL(GURL("chrome://test2"));
auto* recorder = static_cast<ukm::TestUkmRecorder*>(
impl->ukm_manager()->recorder_for_testing());
const auto& entries = recorder->GetEntriesByName(kRenderingEvent);
ASSERT_EQ(1u, entries.size());
auto* entry = entries[0];
recorder->ExpectEntrySourceHasUrl(entry, url_);
recorder->ExpectEntryMetric(entry, kCheckerboardImagesMetric, 1);
EndTest();
}
void InitializeSettings(LayerTreeSettings* settings) override {
settings->enable_checker_imaging = true;
settings->min_image_bytes_to_checker = 512 * 1024;
}
void SetupTree() override {
// Set up a content client which creates the following tiling, x denoting
// the image to checker:
// |---|---|---|---|
// | x | x | | |
// |---|---|---|---|
// | x | x | | |
// |---|---|---|---|
gfx::Size layer_size(1000, 500);
content_layer_client_.set_bounds(layer_size);
content_layer_client_.set_fill_with_nonsolid_color(true);
PaintImage checkerable_image =
CreateDiscardablePaintImage(gfx::Size(450, 450));
checkerable_image = PaintImageBuilder::WithCopy(checkerable_image)
.set_decoding_mode(PaintImage::DecodingMode::kAsync)
.TakePaintImage();
content_layer_client_.add_draw_image(checkerable_image, gfx::Point(0, 0),
PaintFlags());
layer_tree_host()->SetRootLayer(
FakePictureLayer::Create(&content_layer_client_));
layer_tree_host()->root_layer()->SetBounds(layer_size);
LayerTreeTest::SetupTree();
}
private:
// Accessed only on the main thread.
FakeContentLayerClient content_layer_client_;
GURL url_;
};
class LayerTreeHostCheckerImagingTestMergeWithMainFrame
: public LayerTreeHostCheckerImagingTest {
void BeginMainFrame(const viz::BeginFrameArgs& args) override {
if (layer_tree_host()->SourceFrameNumber() == 1) {
// The first commit has happened, invalidate a tile outside the region
// for the image to ensure that the final invalidation on the pending
// tree is the union of this and impl-side invalidation.
layer_tree_host()->root_layer()->SetNeedsDisplayRect(
gfx::Rect(600, 0, 50, 500));
layer_tree_host()->SetNeedsCommit();
}
}
void DidReceiveImplSideInvalidationRequest(
LayerTreeHostImpl* host_impl) override {
if (invalidation_requested_)
return;
invalidation_requested_ = true;
// Request a commit.
host_impl->SetNeedsCommit();
}
void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) override {
switch (++num_of_commits_) {
case 1:
// Block notifying the scheduler of this request until we've had a
// chance to make sure that the decode work was scheduled, flushed and
// the commit requested after it is received.
host_impl->BlockImplSideInvalidationRequestsForTesting(true);
break;
case 2: {
// Ensure that the expected tiles are invalidated on the sync tree.
PictureLayerImpl* sync_layer_impl = static_cast<PictureLayerImpl*>(
host_impl->sync_tree()->root_layer_for_testing());
PictureLayerTiling* sync_tiling =
sync_layer_impl->picture_layer_tiling_set()
->FindTilingWithResolution(TileResolution::HIGH_RESOLUTION);
for (int i = 0; i < 4; i++) {
SCOPED_TRACE(i);
for (int j = 0; j < 2; j++) {
SCOPED_TRACE(j);
Tile* tile =
sync_tiling->TileAt(i, j) ? sync_tiling->TileAt(i, j) : nullptr;
// If this is the pending tree, then only the invalidated tiles
// exist and have a raster task. If its the active tree, then only
// the invalidated tiles have a raster task.
if (i < 3) {
ASSERT_TRUE(tile);
EXPECT_TRUE(tile->HasRasterTask());
} else if (host_impl->pending_tree()) {
EXPECT_EQ(tile, nullptr);
} else {
ASSERT_TRUE(tile);
EXPECT_FALSE(tile->HasRasterTask());
}
}
}
// Insetting of image is included in the update rect.
gfx::Rect expected_update_rect(-1, -1, 452, 452);
expected_update_rect.Union(gfx::Rect(600, 0, 50, 500));
EXPECT_EQ(sync_layer_impl->update_rect(), expected_update_rect);
VerifyUkmAndEndTest(host_impl);
} break;
default:
NOTREACHED();
}
}
void AfterTest() override { EXPECT_EQ(num_of_commits_, 2); }
// Use only on impl thread.
int num_of_commits_ = 0;
bool invalidation_requested_ = false;
};
// Checkering of content is only done on the pending tree which does not exist
// in single-threaded mode.
MULTI_THREAD_TEST_F(LayerTreeHostCheckerImagingTestMergeWithMainFrame);
class LayerTreeHostCheckerImagingTestImplSideTree
: public LayerTreeHostCheckerImagingTest {
void DidInvalidateContentOnImplSide(LayerTreeHostImpl* host_impl) override {
++num_of_impl_side_invalidations_;
// The source_frame_number of the sync tree should be from the first main
// frame, since this is an impl-side sync tree.
EXPECT_EQ(host_impl->sync_tree()->source_frame_number(), 0);
// Ensure that the expected tiles are invalidated on the sync tree.
PictureLayerImpl* sync_layer_impl = static_cast<PictureLayerImpl*>(
host_impl->sync_tree()->root_layer_for_testing());
PictureLayerTiling* sync_tiling =
sync_layer_impl->picture_layer_tiling_set()->FindTilingWithResolution(
TileResolution::HIGH_RESOLUTION);
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 2; j++) {
Tile* tile =
sync_tiling->TileAt(i, j) ? sync_tiling->TileAt(i, j) : nullptr;
// If this is the pending tree, then only the invalidated tiles
// exist and have a raster task. If its the active tree, then only
// the invalidated tiles have a raster task.
if (i < 2) {
ASSERT_TRUE(tile);
EXPECT_TRUE(tile->HasRasterTask());
} else if (host_impl->pending_tree()) {
EXPECT_EQ(tile, nullptr);
} else {
ASSERT_TRUE(tile);
EXPECT_FALSE(tile->HasRasterTask());
}
}
}
// Insetting of image is included in the update rect.
EXPECT_EQ(sync_layer_impl->update_rect(), gfx::Rect(-1, -1, 452, 452));
}
void CommitCompleteOnThread(LayerTreeHostImpl* host_impl) override {
num_of_commits_++;
}
void DidActivateTreeOnThread(LayerTreeHostImpl* host_impl) override {
num_of_activations_++;
if (num_of_activations_ == 2) {
VerifyUkmAndEndTest(host_impl);
}
}
void AfterTest() override {
EXPECT_EQ(num_of_activations_, 2);
EXPECT_EQ(num_of_commits_, 1);
EXPECT_EQ(num_of_impl_side_invalidations_, 1);
}
int num_of_activations_ = 0;
int num_of_commits_ = 0;
int num_of_impl_side_invalidations_ = 0;
};
// Checkering of content is only done on the pending tree which does not exist
// in single-threaded mode.
MULTI_THREAD_TEST_F(LayerTreeHostCheckerImagingTestImplSideTree);
} // namespace
} // namespace cc
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