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Copy pathlayer_tree_host_unittest_copyrequest.cc
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layer_tree_host_unittest_copyrequest.cc
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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/synchronization/waitable_event.h"
#include "base/task/single_thread_task_runner.h"
#include "base/test/test_timeouts.h"
#include "base/time/time.h"
#include "cc/layers/effect_tree_layer_list_iterator.h"
#include "cc/test/cc_test_suite.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/test_layer_tree_frame_sink.h"
#include "cc/trees/layer_tree_impl.h"
#include "components/viz/common/frame_sinks/copy_output_request.h"
#include "components/viz/common/frame_sinks/copy_output_result.h"
#include "components/viz/service/display/direct_renderer.h"
#include "components/viz/test/fake_output_surface.h"
#include "components/viz/test/fake_skia_output_surface.h"
#include "components/viz/test/test_gles2_interface.h"
#include "gpu/GLES2/gl2extchromium.h"
namespace cc {
// CompositorMode is declared in the cc namespace, so this function also needs
// to be in the cc namespace.
void PrintTo(CompositorMode mode, std::ostream* os) {
*os << (mode == CompositorMode::THREADED ? "MultiThreaded"
: "SingleThreaded");
}
namespace {
auto CombineWithCompositorModes(const std::vector<viz::RendererType>& types) {
return ::testing::Combine(::testing::ValuesIn(types),
::testing::Values(CompositorMode::SINGLE_THREADED,
CompositorMode::THREADED));
}
class LayerTreeHostCopyRequestTest
: public LayerTreeTest,
public ::testing::WithParamInterface<
::testing::tuple<viz::RendererType, CompositorMode>> {
public:
LayerTreeHostCopyRequestTest() : LayerTreeTest(renderer_type()) {}
viz::RendererType renderer_type() const {
return ::testing::get<0>(GetParam());
}
CompositorMode compositor_mode() const {
return ::testing::get<1>(GetParam());
}
};
class LayerTreeHostCopyRequestTestMultipleRequests
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root = FakePictureLayer::Create(&client_);
root->SetBounds(gfx::Size(20, 20));
child = FakePictureLayer::Create(&client_);
child->SetBounds(gfx::Size(10, 10));
root->AddChild(child);
grand_child = FakePictureLayer::Create(&client_);
grand_child->SetBounds(gfx::Size(5, 5));
child->AddChild(grand_child);
layer_tree_host()->SetRootLayer(root);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root->bounds());
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DidCommit() override { WaitForCallback(); }
void WaitForCallback() {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE,
base::BindOnce(&LayerTreeHostCopyRequestTestMultipleRequests::NextStep,
base::Unretained(this)));
}
void NextStep() {
int frame = layer_tree_host()->SourceFrameNumber();
switch (frame) {
case 1:
child->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(&LayerTreeHostCopyRequestTestMultipleRequests::
CopyOutputCallback,
base::Unretained(this), 0)));
EXPECT_EQ(0u, callbacks_.size());
break;
case 2:
// This commit is triggered by the copy request having been completed.
break;
case 3:
if (callbacks_.size() < 1u) {
WaitForCallback();
return;
}
EXPECT_EQ(1u, callbacks_.size());
EXPECT_EQ(gfx::Size(10, 10).ToString(), callbacks_[0].ToString());
child->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(&LayerTreeHostCopyRequestTestMultipleRequests::
CopyOutputCallback,
base::Unretained(this), 1)));
root->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(&LayerTreeHostCopyRequestTestMultipleRequests::
CopyOutputCallback,
base::Unretained(this), 2)));
grand_child->RequestCopyOfOutput(
std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(&LayerTreeHostCopyRequestTestMultipleRequests::
CopyOutputCallback,
base::Unretained(this), 3)));
EXPECT_EQ(1u, callbacks_.size());
break;
case 4:
// This commit is triggered by the copy request having been completed.
break;
case 5:
if (callbacks_.size() < 4u) {
WaitForCallback();
return;
}
EXPECT_EQ(4u, callbacks_.size());
// The |child| was copied to a bitmap and passed back in Case 1.
EXPECT_EQ(gfx::Size(10, 10).ToString(), callbacks_[0].ToString());
// The |child| was copied to a bitmap and passed back in Case 2.
EXPECT_EQ(gfx::Size(10, 10).ToString(), callbacks_[1].ToString());
// The |root| was copied to a bitmap and passed back also in Case 2.
EXPECT_EQ(gfx::Size(20, 20).ToString(), callbacks_[2].ToString());
// The |grand_child| was copied to a bitmap and passed back in Case 2.
EXPECT_EQ(gfx::Size(5, 5).ToString(), callbacks_[3].ToString());
EndTest();
break;
}
}
void CopyOutputCallback(size_t id,
std::unique_ptr<viz::CopyOutputResult> result) {
EXPECT_TRUE(layer_tree_host()->GetTaskRunnerProvider()->IsMainThread());
EXPECT_FALSE(result->IsEmpty());
auto scoped_sk_bitmap = result->ScopedAccessSkBitmap();
const SkBitmap& bitmap = scoped_sk_bitmap.bitmap();
EXPECT_TRUE(bitmap.readyToDraw());
EXPECT_EQ(result->size(), gfx::Size(bitmap.width(), bitmap.height()));
callbacks_[id] = result->size();
}
void AfterTest() override { EXPECT_EQ(4u, callbacks_.size()); }
std::map<size_t, gfx::Size> callbacks_;
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root;
scoped_refptr<FakePictureLayer> child;
scoped_refptr<FakePictureLayer> grand_child;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestMultipleRequests,
CombineWithCompositorModes(viz::GetRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestTestMultipleRequests);
TEST_P(LayerTreeHostCopyRequestTestMultipleRequests, Test) {
RunTest(compositor_mode());
}
// These tests run with |out_of_order_callbacks_| set on the TestContextSupport,
// which causes callbacks for sync queries to be sent in reverse order.
class LayerTreeHostCopyRequestTestMultipleRequestsOutOfOrder
: public LayerTreeHostCopyRequestTestMultipleRequests {
std::unique_ptr<viz::DisplayCompositorMemoryAndTaskController>
CreateDisplayControllerOnThread() override {
// In this implementation, none of the output surface has a real gpu thread,
// and there is no overlay support.
return nullptr;
}
std::unique_ptr<viz::SkiaOutputSurface> CreateSkiaOutputSurfaceOnThread(
viz::DisplayCompositorMemoryAndTaskController*) override {
auto skia_output_surface = viz::FakeSkiaOutputSurface::Create3d();
skia_output_surface->SetOutOfOrderCallbacks(true);
return skia_output_surface;
}
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestMultipleRequestsOutOfOrder,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestTestMultipleRequestsOutOfOrder);
TEST_P(LayerTreeHostCopyRequestTestMultipleRequestsOutOfOrder, Test) {
RunTest(compositor_mode());
}
// TODO(crbug.com/564832): Remove this test when the workaround it tests is no
// longer needed.
class LayerTreeHostCopyRequestCompletionCausesCommit
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
layer_ = FakePictureLayer::Create(&client_);
layer_->SetBounds(gfx::Size(15, 15));
root_->AddChild(layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DidCommit() override {
int frame = layer_tree_host()->SourceFrameNumber();
switch (frame) {
case 1:
layer_->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(&LayerTreeHostCopyRequestCompletionCausesCommit::
CopyOutputCallback)));
break;
case 2:
// This commit is triggered by the copy request.
break;
case 3:
// This commit is triggered by the completion of the copy request.
EndTest();
break;
}
}
static void CopyOutputCallback(
std::unique_ptr<viz::CopyOutputResult> result) {
EXPECT_FALSE(result->IsEmpty());
}
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
scoped_refptr<FakePictureLayer> layer_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestCompletionCausesCommit,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestCompletionCausesCommit);
TEST_P(LayerTreeHostCopyRequestCompletionCausesCommit, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostCopyRequestTestLayerDestroyed
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
main_destroyed_ = FakePictureLayer::Create(&client_);
main_destroyed_->SetBounds(gfx::Size(15, 15));
root_->AddChild(main_destroyed_);
impl_destroyed_ = FakePictureLayer::Create(&client_);
impl_destroyed_->SetBounds(gfx::Size(10, 10));
root_->AddChild(impl_destroyed_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void DidCommit() override {
int frame = layer_tree_host()->SourceFrameNumber();
switch (frame) {
case 1:
main_destroyed_->RequestCopyOfOutput(std::make_unique<
viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostCopyRequestTestLayerDestroyed::CopyOutputCallback,
base::Unretained(this), &main_destroyed_event_)));
impl_destroyed_->RequestCopyOfOutput(std::make_unique<
viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostCopyRequestTestLayerDestroyed::CopyOutputCallback,
base::Unretained(this), &impl_destroyed_event_)));
EXPECT_FALSE(main_destroyed_event_.IsSignaled());
EXPECT_FALSE(impl_destroyed_event_.IsSignaled());
// Destroy the main thread layer right away.
main_destroyed_->RemoveFromParent();
main_destroyed_.reset();
// Prevent drawing so we can't make a copy of the impl_destroyed layer.
layer_tree_host()->SetViewportRectAndScale(gfx::Rect(), 1.f,
GetCurrentLocalSurfaceId());
break;
case 2:
// Flush the message loops.
layer_tree_host()->SetNeedsCommit();
break;
case 3:
// There is no timing promise of when we'll get the main callback but if
// we wait for it, we should receive it before we destroy the impl and
// before the impl callback. The resulting bitmap will be empty because
// we destroyed it in the first frame before it got a chance to draw.
EXPECT_TRUE(
main_destroyed_event_.TimedWait(TestTimeouts::action_timeout()));
EXPECT_FALSE(impl_destroyed_event_.IsSignaled());
// Destroy the impl thread layer.
impl_destroyed_->RemoveFromParent();
impl_destroyed_.reset();
break;
case 4:
// Flush the message loops.
layer_tree_host()->SetNeedsCommit();
break;
case 5:
// There is no timing promise of when we'll get the impl callback but if
// we wait for it, we should receive it before the end of the test.
// The resulting bitmap will be empty because we called
// SetViewportRectAndScale() in the first frame before it got a chance
// to draw.
EXPECT_TRUE(
impl_destroyed_event_.TimedWait(TestTimeouts::action_timeout()));
EndTest();
break;
}
}
void CopyOutputCallback(base::WaitableEvent* event,
std::unique_ptr<viz::CopyOutputResult> result) {
EXPECT_TRUE(result->IsEmpty());
event->Signal();
}
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
base::WaitableEvent main_destroyed_event_;
scoped_refptr<FakePictureLayer> main_destroyed_;
base::WaitableEvent impl_destroyed_event_;
scoped_refptr<FakePictureLayer> impl_destroyed_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestLayerDestroyed,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestTestLayerDestroyed);
TEST_P(LayerTreeHostCopyRequestTestLayerDestroyed, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostCopyRequestTestInHiddenSubtree
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
grand_parent_layer_ = FakePictureLayer::Create(&client_);
grand_parent_layer_->SetBounds(gfx::Size(15, 15));
root_->AddChild(grand_parent_layer_);
// parent_layer_ owns a render surface.
parent_layer_ = FakePictureLayer::Create(&client_);
parent_layer_->SetBounds(gfx::Size(15, 15));
parent_layer_->SetForceRenderSurfaceForTesting(true);
grand_parent_layer_->AddChild(parent_layer_);
copy_layer_ = FakePictureLayer::Create(&client_);
copy_layer_->SetBounds(gfx::Size(10, 10));
parent_layer_->AddChild(copy_layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void AddCopyRequest(Layer* layer) {
layer->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostCopyRequestTestInHiddenSubtree::CopyOutputCallback,
base::Unretained(this))));
}
void BeginTest() override {
callback_count_ = 0;
PostSetNeedsCommitToMainThread();
AddCopyRequest(copy_layer_.get());
}
void CopyOutputCallback(std::unique_ptr<viz::CopyOutputResult> result) {
++callback_count_;
EXPECT_TRUE(layer_tree_host()->GetTaskRunnerProvider()->IsMainThread());
EXPECT_EQ(copy_layer_->bounds().ToString(), result->size().ToString())
<< callback_count_;
switch (callback_count_) {
case 1:
// Hide the copy request layer.
grand_parent_layer_->SetHideLayerAndSubtree(false);
parent_layer_->SetHideLayerAndSubtree(false);
copy_layer_->SetHideLayerAndSubtree(true);
AddCopyRequest(copy_layer_.get());
break;
case 2:
// Hide the copy request layer's parent only.
grand_parent_layer_->SetHideLayerAndSubtree(false);
parent_layer_->SetHideLayerAndSubtree(true);
copy_layer_->SetHideLayerAndSubtree(false);
AddCopyRequest(copy_layer_.get());
break;
case 3:
// Hide the copy request layer's grand parent only.
grand_parent_layer_->SetHideLayerAndSubtree(true);
parent_layer_->SetHideLayerAndSubtree(false);
copy_layer_->SetHideLayerAndSubtree(false);
AddCopyRequest(copy_layer_.get());
break;
case 4:
// Hide the copy request layer's parent and grandparent.
grand_parent_layer_->SetHideLayerAndSubtree(true);
parent_layer_->SetHideLayerAndSubtree(true);
copy_layer_->SetHideLayerAndSubtree(false);
AddCopyRequest(copy_layer_.get());
break;
case 5:
// Hide the copy request layer as well as its parent and grandparent.
grand_parent_layer_->SetHideLayerAndSubtree(true);
parent_layer_->SetHideLayerAndSubtree(true);
copy_layer_->SetHideLayerAndSubtree(true);
AddCopyRequest(copy_layer_.get());
break;
case 6:
EndTest();
break;
}
}
int callback_count_;
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
scoped_refptr<FakePictureLayer> grand_parent_layer_;
scoped_refptr<FakePictureLayer> parent_layer_;
scoped_refptr<FakePictureLayer> copy_layer_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestInHiddenSubtree,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestTestInHiddenSubtree);
TEST_P(LayerTreeHostCopyRequestTestInHiddenSubtree, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostTestHiddenSurfaceNotAllocatedForSubtreeCopyRequest
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
grand_parent_layer_ = FakePictureLayer::Create(&client_);
grand_parent_layer_->SetBounds(gfx::Size(15, 15));
grand_parent_layer_->SetHideLayerAndSubtree(true);
root_->AddChild(grand_parent_layer_);
// parent_layer_ owns a render surface.
parent_layer_ = FakePictureLayer::Create(&client_);
parent_layer_->SetBounds(gfx::Size(15, 15));
parent_layer_->SetForceRenderSurfaceForTesting(true);
grand_parent_layer_->AddChild(parent_layer_);
copy_layer_ = FakePictureLayer::Create(&client_);
copy_layer_->SetBounds(gfx::Size(10, 10));
parent_layer_->AddChild(copy_layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
std::unique_ptr<TestLayerTreeFrameSink> CreateLayerTreeFrameSink(
const viz::RendererSettings& renderer_settings,
double refresh_rate,
scoped_refptr<viz::ContextProvider> compositor_context_provider,
scoped_refptr<viz::RasterContextProvider> worker_context_provider)
override {
auto frame_sink = LayerTreeHostCopyRequestTest::CreateLayerTreeFrameSink(
renderer_settings, refresh_rate, std::move(compositor_context_provider),
std::move(worker_context_provider));
frame_sink_ = frame_sink.get();
return frame_sink;
}
void BeginTest() override {
PostSetNeedsCommitToMainThread();
copy_layer_->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostTestHiddenSurfaceNotAllocatedForSubtreeCopyRequest::
CopyOutputCallback,
base::Unretained(this))));
}
void CopyOutputCallback(std::unique_ptr<viz::CopyOutputResult> result) {
EXPECT_TRUE(layer_tree_host()->GetTaskRunnerProvider()->IsMainThread());
EXPECT_EQ(copy_layer_->bounds().ToString(), result->size().ToString());
EndTest();
}
void DisplayWillDrawAndSwapOnThread(
bool will_draw_and_swap,
const viz::AggregatedRenderPassList& render_passes) override {
EXPECT_TRUE(will_draw_and_swap) << did_swap_;
if (did_swap_) {
// TODO(crbug.com/564832): Ignore the extra frame that occurs due to copy
// completion. This can be removed when the extra commit is removed.
EXPECT_EQ(1u, render_passes.size());
return;
}
EXPECT_EQ(2u, render_passes.size());
// The root pass is the back of the list.
copy_layer_render_pass_id = render_passes[0]->id;
parent_render_pass_id = render_passes[1]->id;
}
void DisplayDidDrawAndSwapOnThread() override {
viz::DirectRenderer* renderer =
frame_sink_->display()->renderer_for_testing();
// |parent| owns a surface, but it was hidden and not part of the copy
// request so it should not allocate any resource.
EXPECT_FALSE(
renderer->HasAllocatedResourcesForTesting(parent_render_pass_id));
// TODO(crbug.com/564832): Ignore the extra frame that occurs due to copy
// completion. This can be removed when the extra commit is removed.
if (did_swap_) {
EXPECT_FALSE(
renderer->HasAllocatedResourcesForTesting(copy_layer_render_pass_id));
} else {
// |copy_layer| should have been rendered to a texture since it was needed
// for a copy request.
EXPECT_TRUE(
renderer->HasAllocatedResourcesForTesting(copy_layer_render_pass_id));
}
did_swap_ = true;
}
void AfterTest() override { EXPECT_TRUE(did_swap_); }
viz::AggregatedRenderPassId parent_render_pass_id;
viz::AggregatedRenderPassId copy_layer_render_pass_id;
raw_ptr<TestLayerTreeFrameSink> frame_sink_ = nullptr;
bool did_swap_ = false;
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
scoped_refptr<FakePictureLayer> grand_parent_layer_;
scoped_refptr<FakePictureLayer> parent_layer_;
scoped_refptr<FakePictureLayer> copy_layer_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostTestHiddenSurfaceNotAllocatedForSubtreeCopyRequest,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostTestHiddenSurfaceNotAllocatedForSubtreeCopyRequest);
TEST_P(LayerTreeHostTestHiddenSurfaceNotAllocatedForSubtreeCopyRequest, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostCopyRequestTestClippedOut
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
parent_layer_ = FakePictureLayer::Create(&client_);
parent_layer_->SetBounds(gfx::Size(15, 15));
parent_layer_->SetMasksToBounds(true);
root_->AddChild(parent_layer_);
copy_layer_ = FakePictureLayer::Create(&client_);
copy_layer_->SetPosition(gfx::PointF(15.f, 15.f));
copy_layer_->SetBounds(gfx::Size(10, 10));
parent_layer_->AddChild(copy_layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void BeginTest() override {
PostSetNeedsCommitToMainThread();
copy_layer_->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostCopyRequestTestClippedOut::CopyOutputCallback,
base::Unretained(this))));
}
void CopyOutputCallback(std::unique_ptr<viz::CopyOutputResult> result) {
// We should still get the content even if the copy requested layer was
// completely clipped away.
EXPECT_TRUE(layer_tree_host()->GetTaskRunnerProvider()->IsMainThread());
EXPECT_EQ(gfx::Size(10, 10).ToString(), result->size().ToString());
EndTest();
}
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
scoped_refptr<FakePictureLayer> parent_layer_;
scoped_refptr<FakePictureLayer> copy_layer_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestClippedOut,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestTestClippedOut);
TEST_P(LayerTreeHostCopyRequestTestClippedOut, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostCopyRequestTestScaledLayer
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = Layer::Create();
root_->SetBounds(gfx::Size(20, 20));
gfx::Transform scale;
scale.Scale(2, 2);
copy_layer_ = Layer::Create();
copy_layer_->SetBounds(gfx::Size(10, 10));
copy_layer_->SetTransform(scale);
root_->AddChild(copy_layer_);
child_layer_ = FakePictureLayer::Create(&client_);
child_layer_->SetBounds(gfx::Size(10, 10));
copy_layer_->AddChild(child_layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void BeginTest() override {
PostSetNeedsCommitToMainThread();
std::unique_ptr<viz::CopyOutputRequest> request =
std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostCopyRequestTestScaledLayer::CopyOutputCallback,
base::Unretained(this)));
request->set_area(gfx::Rect(5, 5));
copy_layer_->RequestCopyOfOutput(std::move(request));
}
void CopyOutputCallback(std::unique_ptr<viz::CopyOutputResult> result) {
// The request area is expressed in layer space, but the result's size takes
// into account the transform from layer space to surface space.
EXPECT_EQ(gfx::Size(10, 10), result->size());
EndTest();
}
FakeContentLayerClient client_;
scoped_refptr<Layer> root_;
scoped_refptr<Layer> copy_layer_;
scoped_refptr<FakePictureLayer> child_layer_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestScaledLayer,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostCopyRequestTestScaledLayer);
TEST_P(LayerTreeHostCopyRequestTestScaledLayer, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostTestAsyncTwoReadbacksWithoutDraw
: public LayerTreeHostCopyRequestTest {
protected:
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
copy_layer_ = FakePictureLayer::Create(&client_);
copy_layer_->SetBounds(gfx::Size(10, 10));
root_->AddChild(copy_layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void AddCopyRequest(Layer* layer) {
layer->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputRequest::ResultDestination::kSystemMemory,
base::BindOnce(
&LayerTreeHostTestAsyncTwoReadbacksWithoutDraw::CopyOutputCallback,
base::Unretained(this))));
}
void BeginTest() override {
saw_copy_request_ = false;
callback_count_ = 0;
PostSetNeedsCommitToMainThread();
// Prevent drawing.
layer_tree_host()->SetViewportRectAndScale(gfx::Rect(0, 0), 1.f,
viz::LocalSurfaceId());
AddCopyRequest(copy_layer_.get());
}
void DidActivateTreeOnThread(LayerTreeHostImpl* impl) override {
if (impl->active_tree()->source_frame_number() == 0) {
EXPECT_TRUE(impl->active_tree()->LayerById(copy_layer_->id()));
saw_copy_request_ = true;
}
}
void DidCommit() override {
if (layer_tree_host()->SourceFrameNumber() == 1) {
// Allow drawing.
layer_tree_host()->SetViewportRectAndScale(
gfx::Rect(root_->bounds()), 1.f, GetCurrentLocalSurfaceId());
AddCopyRequest(copy_layer_.get());
}
}
void CopyOutputCallback(std::unique_ptr<viz::CopyOutputResult> result) {
EXPECT_TRUE(layer_tree_host()->GetTaskRunnerProvider()->IsMainThread());
// The first frame can't be drawn.
switch (callback_count_) {
case 0:
EXPECT_TRUE(result->IsEmpty());
EXPECT_EQ(gfx::Size(), result->size());
break;
case 1:
EXPECT_FALSE(result->IsEmpty());
EXPECT_EQ(copy_layer_->bounds().ToString(), result->size().ToString());
EndTest();
break;
default:
NOTREACHED();
break;
}
++callback_count_;
}
void AfterTest() override { EXPECT_TRUE(saw_copy_request_); }
bool saw_copy_request_;
int callback_count_;
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
scoped_refptr<FakePictureLayer> copy_layer_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostTestAsyncTwoReadbacksWithoutDraw,
CombineWithCompositorModes(viz::GetGpuRendererTypesNoDawn()),
PrintTupleToStringParamName());
// viz::GetGpuRendererTypesNoDawn() is empty on some platforms.
GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(
LayerTreeHostTestAsyncTwoReadbacksWithoutDraw);
TEST_P(LayerTreeHostTestAsyncTwoReadbacksWithoutDraw, Test) {
RunTest(compositor_mode());
}
class LayerTreeHostCopyRequestTestDeleteSharedImage
: public LayerTreeHostCopyRequestTest {
protected:
std::unique_ptr<viz::DisplayCompositorMemoryAndTaskController>
CreateDisplayControllerOnThread() override {
// In this implementation, none of the output surface has a real gpu thread,
// and there is no overlay support.
return nullptr;
}
std::unique_ptr<viz::SkiaOutputSurface> CreateSkiaOutputSurfaceOnThread(
viz::DisplayCompositorMemoryAndTaskController*) override {
display_context_provider_ = viz::TestContextProvider::Create();
display_context_provider_->BindToCurrentSequence();
return viz::FakeSkiaOutputSurface::Create3d(display_context_provider_);
}
void SetupTree() override {
root_ = FakePictureLayer::Create(&client_);
root_->SetBounds(gfx::Size(20, 20));
copy_layer_ = FakePictureLayer::Create(&client_);
copy_layer_->SetBounds(gfx::Size(10, 10));
root_->AddChild(copy_layer_);
layer_tree_host()->SetRootLayer(root_);
LayerTreeHostCopyRequestTest::SetupTree();
client_.set_bounds(root_->bounds());
}
void BeginTest() override { PostSetNeedsCommitToMainThread(); }
void ReceiveCopyRequestOutputAndCommit(
std::unique_ptr<viz::CopyOutputResult> result) {
EXPECT_TRUE(layer_tree_host()->GetTaskRunnerProvider()->IsMainThread());
EXPECT_EQ(gfx::Size(10, 10).ToString(), result->size().ToString());
EXPECT_EQ(result->format(), viz::CopyOutputResult::Format::RGBA);
EXPECT_EQ(result->destination(),
viz::CopyOutputResult::Destination::kNativeTextures);
EXPECT_NE(result->GetTextureResult(), nullptr);
// Save the result for later.
EXPECT_FALSE(result_);
result_ = std::move(result);
// Post a commit to lose the output surface.
layer_tree_host()->SetNeedsCommit();
}
void InsertCopyRequest() {
copy_layer_->RequestCopyOfOutput(std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA,
viz::CopyOutputResult::Destination::kNativeTextures,
base::BindOnce(&LayerTreeHostCopyRequestTestDeleteSharedImage::
ReceiveCopyRequestOutputAndCommit,
base::Unretained(this))));
}
void DestroyCopyResultAndCheckNumSharedImages() {
EXPECT_TRUE(result_);
result_.reset();
ImplThreadTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(&LayerTreeHostCopyRequestTestDeleteSharedImage::
CheckNumSharedImagesAfterReadbackDestroyed,
base::Unretained(this)));
}
void CheckNumSharedImagesAfterReadbackDestroyed() {
// After the copy we had |num_shared_images_after_readback_| many shared
// images, but releasing the copy output request should cause the shared
// image in the request to be destroyed by the compositor, so we should have
// 1 less by now.
EXPECT_EQ(num_shared_images_after_readback_ - 1,
display_context_provider_->SharedImageInterface()
->shared_image_count());
// Drop the reference to the context provider on the compositor thread.
display_context_provider_.reset();
EndTest();
}
void DisplayDidDrawAndSwapOnThread() override {
auto* sii = display_context_provider_->SharedImageInterface();
switch (num_swaps_++) {
case 0:
// The layers have been drawn, so any textures required for drawing have
// been allocated.
EXPECT_FALSE(result_);
num_shared_images_without_readback_ = sii->shared_image_count();
// Request a copy of the layer. This will use another texture.
MainThreadTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(&LayerTreeHostCopyRequestTestDeleteSharedImage::
InsertCopyRequest,
base::Unretained(this)));
break;
case 1:
// Copy requests cause a followup commit and draw without the separate
// RenderPass required. This changes the number of active textures. So
// wait for that draw before counting textures and proceeding.
break;
case 2:
// We did a readback, so there will be a readback texture around now.
num_shared_images_after_readback_ = sii->shared_image_count();
EXPECT_LT(num_shared_images_without_readback_,
num_shared_images_after_readback_);
// Now destroy the CopyOutputResult, releasing the texture inside back
// to the compositor. Then check the resulting number of allocated
// textures.
MainThreadTaskRunner()->PostTask(
FROM_HERE,
base::BindOnce(&LayerTreeHostCopyRequestTestDeleteSharedImage::
DestroyCopyResultAndCheckNumSharedImages,
base::Unretained(this)));
break;
}
}
scoped_refptr<viz::TestContextProvider> display_context_provider_;
int num_swaps_ = 0;
size_t num_shared_images_without_readback_ = 0;
size_t num_shared_images_after_readback_ = 0;
FakeContentLayerClient client_;
scoped_refptr<FakePictureLayer> root_;
scoped_refptr<FakePictureLayer> copy_layer_;
std::unique_ptr<viz::CopyOutputResult> result_;
};
INSTANTIATE_TEST_SUITE_P(
All,
LayerTreeHostCopyRequestTestDeleteSharedImage,