Revert 238458 "cc: Defer first OutputSurface creation until clie..."

trunk/src/cc/trees/layer_tree_host_unittest_context.cc

 // Copyright 2012 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/trees/layer_tree_host.h"
 
 #include "base/basictypes.h"
 #include "cc/layers/content_layer.h"
 #include "cc/layers/delegated_frame_provider.h"
 #include "cc/layers/delegated_frame_resource_collection.h"
@@ skipping 391 matching lines @@
 
  protected:
   size_t test_case_;
   int num_losses_;
   bool recovered_context_;
   bool first_initialized_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostContextTestLostContextSucceeds);
 
-class LayerTreeHostClientNotReadyDoesNotCreateOutputSurface
-    : public LayerTreeHostContextTest {
- public:
-  LayerTreeHostClientNotReadyDoesNotCreateOutputSurface()
-      : LayerTreeHostContextTest() {}
-
-  virtual void WillBeginTest() OVERRIDE {
-    // Override and do not signal SetLayerTreeHostClientReady.
-  }
-
-  virtual void BeginTest() OVERRIDE {
-    PostSetNeedsCommitToMainThread();
-    EndTest();
-  }
-
-  virtual scoped_ptr<OutputSurface> CreateOutputSurface(bool fallback)
-      OVERRIDE {
-    EXPECT_TRUE(false);
-    return scoped_ptr<OutputSurface>();
-  }
-
-  virtual void DidInitializeOutputSurface(bool succeeded) OVERRIDE {
-    EXPECT_TRUE(false);
-  }
-
-  virtual void AfterTest() OVERRIDE {
-  }
-};
-
-MULTI_THREAD_TEST_F(LayerTreeHostClientNotReadyDoesNotCreateOutputSurface);
-
 class LayerTreeHostContextTestLostContextSucceedsWithContent
     : public LayerTreeHostContextTestLostContextSucceeds {
  public:
   LayerTreeHostContextTestLostContextSucceedsWithContent()
       : LayerTreeHostContextTestLostContextSucceeds() {}
 
   virtual void SetupTree() OVERRIDE {
     root_ = Layer::Create();
     root_->SetBounds(gfx::Size(10, 10));
     root_->SetAnchorPoint(gfx::PointF());
@@ skipping 98 matching lines @@
   use_surface_ = true;
   RunTest(false, false, false);
 }
 
 TEST_F(LayerTreeHostContextTestLostContextSucceedsWithContent,
        WithSurface_MultiThread_DirectRenderer_MainThreadPaint) {
   use_surface_ = true;
   RunTest(true, false, false);
 }
 
-class LayerTreeHostContextTestCreateOutputSurfaceFails
-    : public LayerTreeHostContextTest {
- public:
-  // Run a test that initially fails OutputSurface creation |times_to_fail|
-  // times. If |expect_fallback_attempt| is |true|, an attempt to create a
-  // fallback/software OutputSurface is expected to occur.
-  LayerTreeHostContextTestCreateOutputSurfaceFails(int times_to_fail,
-                                                   bool expect_fallback_attempt,
-                                                   bool expect_to_give_up)
-      : times_to_fail_(times_to_fail),
-        expect_fallback_attempt_(expect_fallback_attempt),
-        expect_to_give_up_(expect_to_give_up),
-        did_attempt_fallback_(false),
-        times_initialized_(0) {}
-
-  virtual void BeginTest() OVERRIDE {
-    times_to_fail_create_ = times_to_fail_;
-    PostSetNeedsCommitToMainThread();
-  }
-
-  virtual scoped_ptr<OutputSurface> CreateOutputSurface(bool fallback)
-      OVERRIDE {
-    scoped_ptr<OutputSurface> surface =
-        LayerTreeHostContextTest::CreateOutputSurface(fallback);
-
-    if (surface)
-      EXPECT_EQ(times_to_fail_, times_create_failed_);
-
-    did_attempt_fallback_ = fallback;
-    return surface.Pass();
-  }
-
-  virtual void DidInitializeOutputSurface(bool succeeded) OVERRIDE {
-    if (succeeded)
-      times_initialized_++;
-    else
-      EndTest();
-  }
-
-  virtual void DrawLayersOnThread(LayerTreeHostImpl* host_impl) OVERRIDE {
-    EndTest();
-  }
-
-  virtual void AfterTest() OVERRIDE {
-    EXPECT_EQ(times_to_fail_, times_create_failed_);
-    EXPECT_EQ(expect_to_give_up_, times_initialized_ == 0);
-    EXPECT_EQ(expect_fallback_attempt_, did_attempt_fallback_);
-  }
-
- private:
-  int times_to_fail_;
-  bool expect_fallback_attempt_;
-  bool expect_to_give_up_;
-  bool did_attempt_fallback_;
-  int times_initialized_;
-};
-
-class LayerTreeHostContextTestCreateOutputSurfaceFailsOnce
-    : public LayerTreeHostContextTestCreateOutputSurfaceFails {
- public:
-  LayerTreeHostContextTestCreateOutputSurfaceFailsOnce()
-      : LayerTreeHostContextTestCreateOutputSurfaceFails(1, false, false) {}
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeHostContextTestCreateOutputSurfaceFailsOnce);
-
-// After 4 failures we expect an attempt to create a fallback/software
-// OutputSurface.
-class LayerTreeHostContextTestCreateOutputSurfaceFailsWithFallback
-    : public LayerTreeHostContextTestCreateOutputSurfaceFails {
- public:
-  LayerTreeHostContextTestCreateOutputSurfaceFailsWithFallback()
-      : LayerTreeHostContextTestCreateOutputSurfaceFails(4, true, false) {}
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeHostContextTestCreateOutputSurfaceFailsWithFallback);
-
-// If we fail that often, we should be giving up cleanly.
-class LayerTreeHostContextTestCreateOutputSurfaceIsHopeless
-    : public LayerTreeHostContextTestCreateOutputSurfaceFails {
- public:
-  LayerTreeHostContextTestCreateOutputSurfaceIsHopeless()
-      : LayerTreeHostContextTestCreateOutputSurfaceFails(5, true, true) {}
-};
-
-SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeHostContextTestCreateOutputSurfaceIsHopeless);
-
-
 class LayerTreeHostContextTestOffscreenContextFails
     : public LayerTreeHostContextTest {
  public:
   virtual void SetupTree() OVERRIDE {
     root_ = Layer::Create();
     root_->SetBounds(gfx::Size(10, 10));
     root_->SetAnchorPoint(gfx::PointF());
     root_->SetIsDrawable(true);
 
     content_ = FakeContentLayer::Create(&client_);
@@ skipping 738 matching lines @@
     if (host_impl->active_tree()->source_frame_number() == 2) {
       // Lose the context during draw on the second commit. This will cause
       // a third commit to recover.
       context3d_->set_times_bind_texture_succeeds(0);
     }
     return true;
   }
 
   virtual scoped_ptr<OutputSurface> CreateOutputSurface(
       bool fallback) OVERRIDE {
-    // This will get called twice:
-    // First when we create the initial output surface...
-    if (layer_tree_host()->source_frame_number() > 0) {
-      // ... and then again after we forced the context to be lost on the third
-      // frame. Verify this assumption here.
+    if (layer_tree_host()) {
       lost_context_ = true;
       EXPECT_EQ(layer_tree_host()->source_frame_number(), 3);
     }
     return LayerTreeHostContextTest::CreateOutputSurface(fallback);
   }
 
   virtual void DidCommitAndDrawFrame() OVERRIDE {
     ASSERT_TRUE(layer_tree_host()->hud_layer());
     // End the test once we know the 3nd frame drew.
     if (layer_tree_host()->source_frame_number() < 4) {
@@ skipping 455 matching lines @@
     EndTest();
   }
 
  private:
   int failure_count_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostContextTestFailsToCreateSurface);
 
+// Not reusing LayerTreeTest because it expects creating LTH to always succeed.
+class LayerTreeHostTestCannotCreateIfCannotCreateOutputSurface
+    : public testing::Test,
+      public FakeLayerTreeHostClient {
+ public:
+  LayerTreeHostTestCannotCreateIfCannotCreateOutputSurface()
+      : FakeLayerTreeHostClient(FakeLayerTreeHostClient::DIRECT_3D) {}
+
+  // FakeLayerTreeHostClient implementation.
+  virtual scoped_ptr<OutputSurface> CreateOutputSurface(bool fallback)
+      OVERRIDE {
+    return scoped_ptr<OutputSurface>();
+  }
+
+  void RunTest(bool threaded,
+               bool delegating_renderer,
+               bool impl_side_painting) {
+    LayerTreeSettings settings;
+    settings.impl_side_painting = impl_side_painting;
+    if (threaded) {
+      scoped_ptr<base::Thread> impl_thread(new base::Thread("LayerTreeTest"));
+      ASSERT_TRUE(impl_thread->Start());
+      ASSERT_TRUE(impl_thread->message_loop_proxy().get());
+      scoped_ptr<LayerTreeHost> layer_tree_host = LayerTreeHost::CreateThreaded(
+          this, NULL, settings, impl_thread->message_loop_proxy());
+      EXPECT_FALSE(layer_tree_host);
+    } else {
+      scoped_ptr<LayerTreeHost> layer_tree_host =
+          LayerTreeHost::CreateSingleThreaded(this, this, NULL, settings);
+      EXPECT_FALSE(layer_tree_host);
+    }
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(
+    LayerTreeHostTestCannotCreateIfCannotCreateOutputSurface);
+
 class UIResourceLostTest : public LayerTreeHostContextTest {
  public:
   UIResourceLostTest() : time_step_(0) {}
   virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
     settings->texture_id_allocation_chunk_size = 1;
   }
   virtual void BeginTest() OVERRIDE { PostSetNeedsCommitToMainThread(); }
   virtual void AfterTest() OVERRIDE {}
 
   // This is called on the main thread after each commit and
@@ skipping 478 matching lines @@
  protected:
   FakeContentLayerClient client_;
   scoped_refptr<FakeContentLayer> layer_;
   int num_commits_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostContextTestSurfaceCreateCallback);
 
 }  // namespace
 }  // namespace cc