Index: cc/tiles/checker_image_tracker_unittest.cc |
diff --git a/cc/tiles/checker_image_tracker_unittest.cc b/cc/tiles/checker_image_tracker_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..60a4843854f8af1b44d7f11e8967ef628dde71bb |
--- /dev/null |
+++ b/cc/tiles/checker_image_tracker_unittest.cc |
@@ -0,0 +1,296 @@ |
+// 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/tiles/checker_image_tracker.h" |
+ |
+#include "base/bind.h" |
+#include "base/memory/ptr_util.h" |
+#include "base/run_loop.h" |
+#include "base/threading/thread_task_runner_handle.h" |
+#include "cc/test/skia_common.h" |
+#include "cc/tiles/image_controller.h" |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+namespace cc { |
+namespace { |
+ |
+const int kCheckerableImageDimension = 512; |
+const int kNonCheckerableImageDimension = 16; |
+ |
+class TestImageController : public ImageController { |
+ public: |
+ // We can use the same thread for the image worker because all use of it in |
+ // the ImageController is over-ridden here. |
+ TestImageController() |
+ : ImageController(base::ThreadTaskRunnerHandle::Get().get(), |
+ base::ThreadTaskRunnerHandle::Get()) {} |
+ |
+ ~TestImageController() override { DCHECK_EQ(locked_images_.size(), 0U); } |
+ |
+ int num_of_locked_images() const { return locked_images_.size(); } |
+ |
+ void UnlockImageDecode(ImageDecodeRequestId id) override { |
+ DCHECK_EQ(locked_images_.count(id), 1U); |
+ locked_images_.erase(id); |
+ } |
+ |
+ ImageDecodeRequestId QueueImageDecode( |
+ sk_sp<const SkImage> image, |
+ const ImageDecodedCallback& callback) override { |
+ ImageDecodeRequestId request_id = next_image_request_id_++; |
+ |
+ // The tracker should request a decode only once. |
+ EXPECT_EQ(decodes_requested_.count(image->uniqueID()), 0u); |
+ decodes_requested_.insert(image->uniqueID()); |
+ |
+ locked_images_.insert(request_id); |
+ |
+ // Post the callback asynchronously to match the behaviour in |
+ // ImageController. |
+ worker_task_runner_->PostTask(FROM_HERE, base::Bind(callback, request_id)); |
+ |
+ return request_id; |
+ } |
+ |
+ private: |
+ ImageDecodeRequestId next_image_request_id_ = 1U; |
+ std::unordered_set<ImageDecodeRequestId> locked_images_; |
+ ImageIdFlatSet decodes_requested_; |
+}; |
+ |
+class CheckerImageTrackerTest : public testing::Test, |
+ public CheckerImageTrackerClient { |
+ public: |
+ enum class ImageType { CHECKERABLE, NON_CHECKERABLE }; |
+ |
+ void SetUpTracker(bool checker_images_enabled) { |
+ checker_image_tracker_ = base::MakeUnique<CheckerImageTracker>( |
+ &image_controller_, this, checker_images_enabled); |
+ } |
+ |
+ void TearDown() override { checker_image_tracker_.reset(); } |
+ |
+ DrawImage CreateImage(ImageType image_type) { |
+ int dimension = image_type == ImageType::CHECKERABLE |
+ ? kCheckerableImageDimension |
+ : kNonCheckerableImageDimension; |
+ sk_sp<SkImage> image = |
+ CreateDiscardableImage(gfx::Size(dimension, dimension)); |
+ return DrawImage(image, SkIRect::MakeWH(image->width(), image->height()), |
+ kNone_SkFilterQuality, SkMatrix::I()); |
+ } |
+ |
+ // CheckerImageTrackerClient implementation. |
+ void NeedsInvalidationForCheckerImagedTiles() override { |
+ invalidation_request_pending_ = true; |
+ } |
+ |
+ protected: |
+ TestImageController image_controller_; |
+ std::unique_ptr<CheckerImageTracker> checker_image_tracker_; |
+ |
+ bool invalidation_request_pending_ = false; |
+}; |
+ |
+TEST_F(CheckerImageTrackerTest, CheckerImagesDisabled) { |
+ // Ensures that the tracker doesn't filter any images for checkering if it is |
+ // disabled. |
+ SetUpTracker(false); |
+ |
+ std::vector<DrawImage> draw_images; |
+ ImageIdFlatSet checkered_images; |
+ draw_images.push_back(CreateImage(ImageType::CHECKERABLE)); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 1U); |
+ EXPECT_EQ(checkered_images.size(), 0U); |
+ EXPECT_EQ(image_controller_.num_of_locked_images(), 0); |
+} |
+ |
+TEST_F(CheckerImageTrackerTest, UpdatesImagesAtomically) { |
+ // Ensures that the tracker updates images atomically for each frame. |
+ SetUpTracker(true); |
+ |
+ DrawImage checkerable_image = CreateImage(ImageType::CHECKERABLE); |
+ DrawImage non_checkerable_image = CreateImage(ImageType::NON_CHECKERABLE); |
+ ImageIdFlatSet checkered_images; |
+ std::vector<DrawImage> draw_images; |
+ |
+ // First request to filter images. |
+ draw_images.push_back(checkerable_image); |
+ draw_images.push_back(non_checkerable_image); |
+ draw_images.push_back(checkerable_image); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ |
+ EXPECT_EQ(draw_images.size(), 1U); |
+ EXPECT_EQ(draw_images[0].image(), non_checkerable_image.image()); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ EXPECT_EQ(checkered_images.count(checkerable_image.image()->uniqueID()), 1U); |
+ EXPECT_EQ(image_controller_.num_of_locked_images(), 1); |
+ |
+ // Run pending task to indicate completion of decode request to the tracker. |
+ // This should send an impl-side invalidation request to the client. The |
+ // images must remain locked until the sync tree to which the invalidations |
+ // are added is activated. |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_TRUE(invalidation_request_pending_); |
+ EXPECT_EQ(image_controller_.num_of_locked_images(), 1); |
+ |
+ // Continue checkering the image until the set of images to invalidate is |
+ // pulled. |
+ draw_images.clear(); |
+ draw_images.push_back(checkerable_image); |
+ checkered_images.clear(); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 0U); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ EXPECT_EQ(image_controller_.num_of_locked_images(), 1); |
+ |
+ ImageIdFlatSet invalidated_images = |
+ checker_image_tracker_->TakeImagesToInvalidateOnSyncTree(); |
+ EXPECT_EQ(invalidated_images.size(), 1U); |
+ EXPECT_EQ(invalidated_images.count(checkerable_image.image()->uniqueID()), |
+ 1U); |
+ |
+ // Use the same set of draw images to ensure that they are not checkered on |
+ // the pending tree now. |
+ draw_images.clear(); |
+ draw_images.push_back(checkerable_image); |
+ draw_images.push_back(non_checkerable_image); |
+ checkered_images.clear(); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 2U); |
+ EXPECT_EQ(checkered_images.size(), 0U); |
+ |
+ // Use this set to make the same request from the active tree, we should |
+ // continue checkering this image on the active tree until activation. |
+ draw_images.clear(); |
+ draw_images.push_back(checkerable_image); |
+ draw_images.push_back(non_checkerable_image); |
+ checkered_images.clear(); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::ACTIVE_TREE); |
+ EXPECT_EQ(draw_images.size(), 1U); |
+ EXPECT_EQ(draw_images[0].image(), non_checkerable_image.image()); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ EXPECT_EQ(checkered_images.count(checkerable_image.image()->uniqueID()), 1U); |
+ |
+ // Activate the sync tree. The images should be unlocked upon activation. |
+ EXPECT_EQ(image_controller_.num_of_locked_images(), 1); |
+ checker_image_tracker_->DidActivateSyncTree(); |
+} |
+ |
+TEST_F(CheckerImageTrackerTest, NoConsecutiveCheckeringForImage) { |
+ // Ensures that if an image is decoded and invalidated once, it is not |
+ // checkered again in subsequent frames. |
+ SetUpTracker(true); |
+ |
+ DrawImage checkerable_image = CreateImage(ImageType::CHECKERABLE); |
+ DrawImage non_checkerable_image = CreateImage(ImageType::NON_CHECKERABLE); |
+ ImageIdFlatSet checkered_images; |
+ std::vector<DrawImage> draw_images; |
+ |
+ draw_images.clear(); |
+ draw_images.push_back(checkerable_image); |
+ checkered_images.clear(); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 0U); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ |
+ // Trigger decode completion, take images to invalidate and activate the sync |
+ // tree. |
+ base::RunLoop().RunUntilIdle(); |
+ checker_image_tracker_->TakeImagesToInvalidateOnSyncTree(); |
+ checker_image_tracker_->DidActivateSyncTree(); |
+ |
+ // Subsequent requests for this image should not be checkered. |
+ draw_images.clear(); |
+ draw_images.push_back(checkerable_image); |
+ checkered_images.clear(); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 1U); |
+ EXPECT_EQ(checkered_images.size(), 0U); |
+} |
+ |
+TEST_F(CheckerImageTrackerTest, |
+ TracksCheckeredImagesSeperatelyInConsecutiveFrames) { |
+ // Ensures that the set of images being checkered on the pending tree, and the |
+ // active tree are tracked correctly. |
+ SetUpTracker(true); |
+ |
+ DrawImage checkerable_image1 = CreateImage(ImageType::CHECKERABLE); |
+ ImageIdFlatSet checkered_images; |
+ std::vector<DrawImage> draw_images; |
+ |
+ // First request to filter images on the pending and active tree. |
+ draw_images.push_back(checkerable_image1); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 0U); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ |
+ // The image is also checkered on the active tree while a decode request is |
+ // pending. |
+ draw_images.clear(); |
+ checkered_images.clear(); |
+ draw_images.push_back(checkerable_image1); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::ACTIVE_TREE); |
+ EXPECT_EQ(draw_images.size(), 0U); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ |
+ // Trigger decode completion and take images to invalidate on the sync tree. |
+ base::RunLoop().RunUntilIdle(); |
+ EXPECT_TRUE(invalidation_request_pending_); |
+ ImageIdFlatSet invalidated_images = |
+ checker_image_tracker_->TakeImagesToInvalidateOnSyncTree(); |
+ EXPECT_EQ(invalidated_images.size(), 1U); |
+ EXPECT_EQ(invalidated_images.count(checkerable_image1.image()->uniqueID()), |
+ 1U); |
+ |
+ // Second request to filter the same image on the pending and active tree. It |
+ // should be checkered on the active tree, but not the pending tree. |
+ draw_images.clear(); |
+ checkered_images.clear(); |
+ draw_images.push_back(checkerable_image1); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 1U); |
+ EXPECT_EQ(checkered_images.size(), 0U); |
+ |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::ACTIVE_TREE); |
+ EXPECT_EQ(draw_images.size(), 0U); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ |
+ // New checkerable image on the pending tree. |
+ DrawImage checkerable_image2 = CreateImage(ImageType::CHECKERABLE); |
+ draw_images.clear(); |
+ checkered_images.clear(); |
+ draw_images.push_back(checkerable_image2); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::PENDING_TREE); |
+ EXPECT_EQ(draw_images.size(), 0U); |
+ EXPECT_EQ(checkered_images.size(), 1U); |
+ |
+ // Activate the sync tree. The initial image should no longer be checkered on |
+ // the active tree. |
+ checker_image_tracker_->DidActivateSyncTree(); |
+ |
+ draw_images.clear(); |
+ checkered_images.clear(); |
+ draw_images.push_back(checkerable_image1); |
+ checker_image_tracker_->FilterImagesForCheckeringForTile( |
+ &draw_images, &checkered_images, WhichTree::ACTIVE_TREE); |
+ EXPECT_EQ(draw_images.size(), 1U); |
+ EXPECT_EQ(checkered_images.size(), 0U); |
+} |
+ |
+} // namespace |
+} // namespace cc |