Delete CC.

cc/surfaces/surface_factory_unittest.cc

-// 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 "base/bind.h"
-#include "cc/output/compositor_frame.h"
-#include "cc/output/delegated_frame_data.h"
-#include "cc/surfaces/surface.h"
-#include "cc/surfaces/surface_factory.h"
-#include "cc/surfaces/surface_factory_client.h"
-#include "cc/surfaces/surface_manager.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace cc {
-namespace {
-
-class TestSurfaceFactoryClient : public SurfaceFactoryClient {
- public:
-  TestSurfaceFactoryClient() {}
-  ~TestSurfaceFactoryClient() override {}
-
-  void ReturnResources(const ReturnedResourceArray& resources) override {
-    returned_resources_.insert(
-        returned_resources_.end(), resources.begin(), resources.end());
-  }
-
-  const ReturnedResourceArray& returned_resources() const {
-    return returned_resources_;
-  }
-
-  void clear_returned_resources() { returned_resources_.clear(); }
-
- private:
-  ReturnedResourceArray returned_resources_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestSurfaceFactoryClient);
-};
-
-class SurfaceFactoryTest : public testing::Test {
- public:
-  SurfaceFactoryTest() : factory_(&manager_, &client_), surface_id_(3) {
-    factory_.Create(surface_id_);
-  }
-
-  ~SurfaceFactoryTest() override {
-    if (!surface_id_.is_null())
-      factory_.Destroy(surface_id_);
-  }
-
-  void SubmitFrameWithResources(ResourceProvider::ResourceId* resource_ids,
-                                size_t num_resource_ids) {
-    scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
-    for (size_t i = 0u; i < num_resource_ids; ++i) {
-      TransferableResource resource;
-      resource.id = resource_ids[i];
-      resource.mailbox_holder.texture_target = GL_TEXTURE_2D;
-      frame_data->resource_list.push_back(resource);
-    }
-    scoped_ptr<CompositorFrame> frame(new CompositorFrame);
-    frame->delegated_frame_data = frame_data.Pass();
-    factory_.SubmitFrame(surface_id_, frame.Pass(),
-                         SurfaceFactory::DrawCallback());
-  }
-
-  void UnrefResources(ResourceProvider::ResourceId* ids_to_unref,
-                      int* counts_to_unref,
-                      size_t num_ids_to_unref) {
-    ReturnedResourceArray unref_array;
-    for (size_t i = 0; i < num_ids_to_unref; ++i) {
-      ReturnedResource resource;
-      resource.id = ids_to_unref[i];
-      resource.count = counts_to_unref[i];
-      unref_array.push_back(resource);
-    }
-    factory_.UnrefResources(unref_array);
-  }
-
-  void CheckReturnedResourcesMatchExpected(
-      ResourceProvider::ResourceId* expected_returned_ids,
-      int* expected_returned_counts,
-      size_t expected_resources) {
-    const ReturnedResourceArray& actual_resources =
-        client_.returned_resources();
-    ASSERT_EQ(expected_resources, actual_resources.size());
-    for (size_t i = 0; i < expected_resources; ++i) {
-      ReturnedResource resource = actual_resources[i];
-      EXPECT_EQ(expected_returned_ids[i], resource.id);
-      EXPECT_EQ(expected_returned_counts[i], resource.count);
-    }
-    client_.clear_returned_resources();
-  }
-
-  void RefCurrentFrameResources() {
-    Surface* surface = manager_.GetSurfaceForId(surface_id_);
-    factory_.RefResources(
-        surface->GetEligibleFrame()->delegated_frame_data->resource_list);
-  }
-
- protected:
-  SurfaceManager manager_;
-  TestSurfaceFactoryClient client_;
-  SurfaceFactory factory_;
-  SurfaceId surface_id_;
-};
-
-// Tests submitting a frame with resources followed by one with no resources
-// with no resource provider action in between.
-TEST_F(SurfaceFactoryTest, ResourceLifetimeSimple) {
-  ResourceProvider::ResourceId first_frame_ids[] = {1, 2, 3};
-  SubmitFrameWithResources(first_frame_ids, arraysize(first_frame_ids));
-
-  // All of the resources submitted in the first frame are still in use at this
-  // time by virtue of being in the pending frame, so none can be returned to
-  // the client yet.
-  EXPECT_EQ(0u, client_.returned_resources().size());
-  client_.clear_returned_resources();
-
-  // The second frame references no resources and thus should make all resources
-  // available to be returned.
-  SubmitFrameWithResources(NULL, 0);
-
-  ResourceProvider::ResourceId expected_returned_ids[] = {1, 2, 3};
-  int expected_returned_counts[] = {1, 1, 1};
-  CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                      expected_returned_counts,
-                                      arraysize(expected_returned_counts));
-}
-
-// Tests submitting a frame with resources followed by one with no resources
-// with the resource provider holding everything alive.
-TEST_F(SurfaceFactoryTest, ResourceLifetimeSimpleWithProviderHoldingAlive) {
-  ResourceProvider::ResourceId first_frame_ids[] = {1, 2, 3};
-  SubmitFrameWithResources(first_frame_ids, arraysize(first_frame_ids));
-
-  // All of the resources submitted in the first frame are still in use at this
-  // time by virtue of being in the pending frame, so none can be returned to
-  // the client yet.
-  EXPECT_EQ(0u, client_.returned_resources().size());
-  client_.clear_returned_resources();
-
-  // Hold on to everything.
-  RefCurrentFrameResources();
-
-  // The second frame references no resources and thus should make all resources
-  // available to be returned as soon as the resource provider releases them.
-  SubmitFrameWithResources(NULL, 0);
-
-  EXPECT_EQ(0u, client_.returned_resources().size());
-  client_.clear_returned_resources();
-
-  int release_counts[] = {1, 1, 1};
-  UnrefResources(first_frame_ids, release_counts, arraysize(first_frame_ids));
-
-  ResourceProvider::ResourceId expected_returned_ids[] = {1, 2, 3};
-  int expected_returned_counts[] = {1, 1, 1};
-  CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                      expected_returned_counts,
-                                      arraysize(expected_returned_counts));
-}
-
-// Tests referencing a resource, unref'ing it to zero, then using it again
-// before returning it to the client.
-TEST_F(SurfaceFactoryTest, ResourceReusedBeforeReturn) {
-  ResourceProvider::ResourceId first_frame_ids[] = {7};
-  SubmitFrameWithResources(first_frame_ids, arraysize(first_frame_ids));
-
-  // This removes all references to resource id 7.
-  SubmitFrameWithResources(NULL, 0);
-
-  // This references id 7 again.
-  SubmitFrameWithResources(first_frame_ids, arraysize(first_frame_ids));
-
-  // This removes it again.
-  SubmitFrameWithResources(NULL, 0);
-
-  // Now it should be returned.
-  // We don't care how many entries are in the returned array for 7, so long as
-  // the total returned count matches the submitted count.
-  const ReturnedResourceArray& returned = client_.returned_resources();
-  size_t return_count = 0;
-  for (size_t i = 0; i < returned.size(); ++i) {
-    EXPECT_EQ(7u, returned[i].id);
-    return_count += returned[i].count;
-  }
-  EXPECT_EQ(2u, return_count);
-}
-
-// Tests having resources referenced multiple times, as if referenced by
-// multiple providers.
-TEST_F(SurfaceFactoryTest, ResourceRefMultipleTimes) {
-  ResourceProvider::ResourceId first_frame_ids[] = {3, 4};
-  SubmitFrameWithResources(first_frame_ids, arraysize(first_frame_ids));
-
-  // Ref resources from the first frame twice.
-  RefCurrentFrameResources();
-  RefCurrentFrameResources();
-
-  ResourceProvider::ResourceId second_frame_ids[] = {4, 5};
-  SubmitFrameWithResources(second_frame_ids, arraysize(second_frame_ids));
-
-  // Ref resources from the second frame 3 times.
-  RefCurrentFrameResources();
-  RefCurrentFrameResources();
-  RefCurrentFrameResources();
-
-  // Submit a frame with no resources to remove all current frame refs from
-  // submitted resources.
-  SubmitFrameWithResources(NULL, 0);
-
-  EXPECT_EQ(0u, client_.returned_resources().size());
-  client_.clear_returned_resources();
-
-  // Expected current refs:
-  //  3 -> 2
-  //  4 -> 2 + 3 = 5
-  //  5 -> 3
-  {
-    SCOPED_TRACE("unref all 3");
-    ResourceProvider::ResourceId ids_to_unref[] = {3, 4, 5};
-    int counts[] = {1, 1, 1};
-    UnrefResources(ids_to_unref, counts, arraysize(ids_to_unref));
-
-    EXPECT_EQ(0u, client_.returned_resources().size());
-    client_.clear_returned_resources();
-
-    UnrefResources(ids_to_unref, counts, arraysize(ids_to_unref));
-
-    ResourceProvider::ResourceId expected_returned_ids[] = {3};
-    int expected_returned_counts[] = {1};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-
-  // Expected refs remaining:
-  //  4 -> 3
-  //  5 -> 1
-  {
-    SCOPED_TRACE("unref 4 and 5");
-    ResourceProvider::ResourceId ids_to_unref[] = {4, 5};
-    int counts[] = {1, 1};
-    UnrefResources(ids_to_unref, counts, arraysize(ids_to_unref));
-
-    ResourceProvider::ResourceId expected_returned_ids[] = {5};
-    int expected_returned_counts[] = {1};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-
-  // Now, just 2 refs remaining on resource 4. Unref both at once and make sure
-  // the returned count is correct.
-  {
-    SCOPED_TRACE("unref only 4");
-    ResourceProvider::ResourceId ids_to_unref[] = {4};
-    int counts[] = {2};
-    UnrefResources(ids_to_unref, counts, arraysize(ids_to_unref));
-
-    ResourceProvider::ResourceId expected_returned_ids[] = {4};
-    int expected_returned_counts[] = {2};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-}
-
-TEST_F(SurfaceFactoryTest, ResourceLifetime) {
-  ResourceProvider::ResourceId first_frame_ids[] = {1, 2, 3};
-  SubmitFrameWithResources(first_frame_ids, arraysize(first_frame_ids));
-
-  // All of the resources submitted in the first frame are still in use at this
-  // time by virtue of being in the pending frame, so none can be returned to
-  // the client yet.
-  EXPECT_EQ(0u, client_.returned_resources().size());
-  client_.clear_returned_resources();
-
-  // The second frame references some of the same resources, but some different
-  // ones. We expect to receive back resource 1 with a count of 1 since it was
-  // only referenced by the first frame.
-  ResourceProvider::ResourceId second_frame_ids[] = {2, 3, 4};
-  SubmitFrameWithResources(second_frame_ids, arraysize(second_frame_ids));
-
-  {
-    SCOPED_TRACE("second frame");
-    ResourceProvider::ResourceId expected_returned_ids[] = {1};
-    int expected_returned_counts[] = {1};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-
-  // The third frame references a disjoint set of resources, so we expect to
-  // receive back all resources from the first and second frames. Resource IDs 2
-  // and 3 will have counts of 2, since they were used in both frames, and
-  // resource ID 4 will have a count of 1.
-  ResourceProvider::ResourceId third_frame_ids[] = {10, 11, 12, 13};
-  SubmitFrameWithResources(third_frame_ids, arraysize(third_frame_ids));
-
-  {
-    SCOPED_TRACE("third frame");
-    ResourceProvider::ResourceId expected_returned_ids[] = {2, 3, 4};
-    int expected_returned_counts[] = {2, 2, 1};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-
-  // Simulate a ResourceProvider taking a ref on all of the resources.
-  RefCurrentFrameResources();
-
-  ResourceProvider::ResourceId fourth_frame_ids[] = {12, 13};
-  SubmitFrameWithResources(fourth_frame_ids, arraysize(fourth_frame_ids));
-
-  EXPECT_EQ(0u, client_.returned_resources().size());
-
-  RefCurrentFrameResources();
-
-  // All resources are still being used by the external reference, so none can
-  // be returned to the client.
-  EXPECT_EQ(0u, client_.returned_resources().size());
-
-  // Release resources associated with the first RefCurrentFrameResources() call
-  // first.
-  {
-    ResourceProvider::ResourceId ids_to_unref[] = {10, 11, 12, 13};
-    int counts[] = {1, 1, 1, 1};
-    UnrefResources(ids_to_unref, counts, arraysize(ids_to_unref));
-  }
-
-  {
-    SCOPED_TRACE("fourth frame, first unref");
-    ResourceProvider::ResourceId expected_returned_ids[] = {10, 11};
-    int expected_returned_counts[] = {1, 1};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-
-  {
-    ResourceProvider::ResourceId ids_to_unref[] = {12, 13};
-    int counts[] = {1, 1};
-    UnrefResources(ids_to_unref, counts, arraysize(ids_to_unref));
-  }
-
-  // Resources 12 and 13 are still in use by the current frame, so they
-  // shouldn't be available to be returned.
-  EXPECT_EQ(0u, client_.returned_resources().size());
-
-  // If we submit an empty frame, however, they should become available.
-  SubmitFrameWithResources(NULL, 0u);
-
-  {
-    SCOPED_TRACE("fourth frame, second unref");
-    ResourceProvider::ResourceId expected_returned_ids[] = {12, 13};
-    int expected_returned_counts[] = {2, 2};
-    CheckReturnedResourcesMatchExpected(expected_returned_ids,
-                                        expected_returned_counts,
-                                        arraysize(expected_returned_counts));
-  }
-}
-
-TEST_F(SurfaceFactoryTest, BlankNoIndexIncrement) {
-  SurfaceId surface_id(6);
-  factory_.Create(surface_id);
-  Surface* surface = manager_.GetSurfaceForId(surface_id);
-  ASSERT_NE(nullptr, surface);
-  EXPECT_EQ(2, surface->frame_index());
-  scoped_ptr<CompositorFrame> frame(new CompositorFrame);
-  frame->delegated_frame_data.reset(new DelegatedFrameData);
-
-  factory_.SubmitFrame(surface_id, frame.Pass(),
-                       SurfaceFactory::DrawCallback());
-  EXPECT_EQ(2, surface->frame_index());
-  factory_.Destroy(surface_id);
-}
-
-void DrawCallback(uint32* execute_count,
-                  SurfaceDrawStatus* result,
-                  SurfaceDrawStatus drawn) {
-  *execute_count += 1;
-  *result = drawn;
-}
-
-// Tests doing a DestroyAll before shutting down the factory;
-TEST_F(SurfaceFactoryTest, DestroyAll) {
-  SurfaceId id(7);
-  factory_.Create(id);
-
-  scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
-  TransferableResource resource;
-  resource.id = 1;
-  resource.mailbox_holder.texture_target = GL_TEXTURE_2D;
-  frame_data->resource_list.push_back(resource);
-  scoped_ptr<CompositorFrame> frame(new CompositorFrame);
-  frame->delegated_frame_data = frame_data.Pass();
-  uint32 execute_count = 0;
-  SurfaceDrawStatus drawn = SurfaceDrawStatus::DRAW_SKIPPED;
-
-  factory_.SubmitFrame(id, frame.Pass(),
-                       base::Bind(&DrawCallback, &execute_count, &drawn));
-
-  surface_id_ = SurfaceId();
-  factory_.DestroyAll();
-  EXPECT_EQ(1u, execute_count);
-  EXPECT_EQ(SurfaceDrawStatus::DRAW_SKIPPED, drawn);
-}
-
-TEST_F(SurfaceFactoryTest, DestroySequence) {
-  SurfaceId id2(5);
-  factory_.Create(id2);
-
-  // Check that waiting before the sequence is satisfied works.
-  manager_.GetSurfaceForId(id2)
-      ->AddDestructionDependency(SurfaceSequence(0, 4));
-  factory_.Destroy(id2);
-
-  scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
-  scoped_ptr<CompositorFrame> frame(new CompositorFrame);
-  frame->metadata.satisfies_sequences.push_back(6);
-  frame->metadata.satisfies_sequences.push_back(4);
-  frame->delegated_frame_data = frame_data.Pass();
-  DCHECK(manager_.GetSurfaceForId(id2));
-  factory_.SubmitFrame(surface_id_, frame.Pass(),
-                       SurfaceFactory::DrawCallback());
-  DCHECK(!manager_.GetSurfaceForId(id2));
-
-  // Check that waiting after the sequence is satisfied works.
-  factory_.Create(id2);
-  DCHECK(manager_.GetSurfaceForId(id2));
-  manager_.GetSurfaceForId(id2)
-      ->AddDestructionDependency(SurfaceSequence(0, 6));
-  factory_.Destroy(id2);
-  DCHECK(!manager_.GetSurfaceForId(id2));
-}
-
-}  // namespace
-}  // namespace cc