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Unified Diff: services/gfx/compositor/tests/scheduling_apptest.cc

Issue 1997513002: Mozart: Generalize frame scheduling. (Closed) Base URL: git@github.com:domokit/mojo.git@moz-jank2
Patch Set: add comments Created 4 years, 7 months ago
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Index: services/gfx/compositor/tests/scheduling_apptest.cc
diff --git a/services/gfx/compositor/tests/scheduling_apptest.cc b/services/gfx/compositor/tests/scheduling_apptest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d116e61fcd3fa46059af94d8d8273437efd07c80
--- /dev/null
+++ b/services/gfx/compositor/tests/scheduling_apptest.cc
@@ -0,0 +1,125 @@
+// Copyright 2016 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 "mojo/public/cpp/application/application_impl.h"
+#include "mojo/public/cpp/application/application_test_base.h"
+#include "mojo/public/cpp/application/connect.h"
+#include "mojo/public/cpp/bindings/synchronous_interface_ptr.h"
+#include "mojo/public/cpp/system/macros.h"
+#include "mojo/services/gfx/composition/interfaces/compositor.mojom-sync.h"
+#include "mojo/services/gfx/composition/interfaces/scheduling.mojom-sync.h"
+#include "mojo/services/gpu/interfaces/context_provider.mojom.h"
+#include "mojo/services/native_viewport/interfaces/native_viewport.mojom.h"
+
+namespace test {
+
+using SynchronousCompositorPtr =
+ mojo::SynchronousInterfacePtr<mojo::gfx::composition::Compositor>;
+
+using SynchronousFrameSchedulerPtr =
+ mojo::SynchronousInterfacePtr<mojo::gfx::composition::FrameScheduler>;
+
+class SchedulingTest : public mojo::test::ApplicationTestBase {
+ public:
+ SchedulingTest() {}
+
+ protected:
+ void SetUp() override {
+ mojo::test::ApplicationTestBase::SetUp();
+
+ mojo::ConnectToService(shell(), "mojo:native_viewport_service",
+ GetProxy(&viewport_));
+ auto size = mojo::Size::New();
+ size->width = 320;
+ size->height = 640;
+ auto configuration = mojo::SurfaceConfiguration::New();
+ viewport_->Create(size.Pass(), configuration.Pass(),
+ [](mojo::ViewportMetricsPtr metrics) {
+
+ });
+ viewport_->Show();
+
+ mojo::ContextProviderPtr context_provider;
+ viewport_->GetContextProvider(GetProxy(&context_provider));
+
+ mojo::ConnectToService(shell(), "mojo:compositor_service",
+ mojo::GetSynchronousProxy(&compositor_));
+ compositor_->CreateRenderer(context_provider.Pass(),
+ mojo::GetProxy(&renderer_), "SchedulingTest");
+ }
+
+ void TestScheduler(SynchronousFrameSchedulerPtr scheduler) {
+ mojo::gfx::composition::FrameInfoPtr frame_info1;
+ ASSERT_TRUE(scheduler->ScheduleFrame(&frame_info1));
+ AssertValidFrameInfo(frame_info1.get());
+
+ mojo::gfx::composition::FrameInfoPtr frame_info2;
+ ASSERT_TRUE(scheduler->ScheduleFrame(&frame_info2));
+ AssertValidFrameInfo(frame_info2.get());
+
+ EXPECT_GT(frame_info2->frame_time, frame_info1->frame_time);
+ EXPECT_GT(frame_info2->presentation_time, frame_info1->presentation_time);
+ }
+
+ void AssertValidFrameInfo(mojo::gfx::composition::FrameInfo* frame_info) {
+ ASSERT_NE(nullptr, frame_info);
+ EXPECT_LT(frame_info->frame_time, MojoGetTimeTicksNow());
+ EXPECT_GT(frame_info->frame_interval, 0u);
+ EXPECT_GT(frame_info->frame_deadline, frame_info->frame_time);
+ EXPECT_GT(frame_info->presentation_time, frame_info->frame_deadline);
+ }
+
+ mojo::NativeViewportPtr viewport_;
+ SynchronousCompositorPtr compositor_;
+ mojo::gfx::composition::RendererPtr renderer_;
+
+ private:
+ MOJO_DISALLOW_COPY_AND_ASSIGN(SchedulingTest);
+};
+
+namespace {
+
+TEST_F(SchedulingTest, RendererScheduler) {
+ SynchronousFrameSchedulerPtr scheduler;
+ renderer_->GetScheduler(mojo::GetSynchronousProxy(&scheduler));
+ TestScheduler(scheduler.Pass());
+}
+
+// Test what happens when a scene is not attached to a renderer.
+// It should still receive scheduled frame updates occasionally albeit
+// at some indeterminate rate (enough to keep the scene from hanging).
+TEST_F(SchedulingTest, OrphanedSceneScheduler) {
+ mojo::gfx::composition::ScenePtr scene;
+ mojo::gfx::composition::SceneTokenPtr scene_token;
+ compositor_->CreateScene(mojo::GetProxy(&scene), "SchedulingTest",
+ &scene_token);
+
+ SynchronousFrameSchedulerPtr scheduler;
+ scene->GetScheduler(mojo::GetSynchronousProxy(&scheduler));
+ TestScheduler(scheduler.Pass());
+}
+
+// Test what happens when a scene is attached to a renderer.
+// It should receive scheduled frame updates at a rate determined
+// by the renderer.
+TEST_F(SchedulingTest, RootSceneScheduler) {
+ mojo::gfx::composition::ScenePtr scene;
+ mojo::gfx::composition::SceneTokenPtr scene_token;
+ compositor_->CreateScene(mojo::GetProxy(&scene), "SchedulingTest",
+ &scene_token);
+
+ auto viewport = mojo::Rect::New();
+ viewport->width = 1;
+ viewport->height = 1;
+ renderer_->SetRootScene(scene_token.Pass(),
+ mojo::gfx::composition::kSceneVersionNone,
+ viewport.Pass());
+
+ SynchronousFrameSchedulerPtr scheduler;
+ scene->GetScheduler(mojo::GetSynchronousProxy(&scheduler));
+ TestScheduler(scheduler.Pass());
+}
+
+} // namespace
+} // namespace mojo
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