UI Resource Manager

cc/trees/layer_tree_host_unittest.cc

 // Copyright 2011 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 <algorithm>
 
 #include "base/synchronization/lock.h"
 #include "cc/animation/timing_function.h"
@@ skipping 16 matching lines @@
 #include "cc/test/fake_content_layer_client.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_picture_layer.h"
 #include "cc/test/fake_picture_layer_impl.h"
 #include "cc/test/fake_proxy.h"
 #include "cc/test/fake_scrollbar_layer.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/layer_tree_test.h"
 #include "cc/test/occlusion_tracker_test_common.h"
+#include "cc/test/test_ui_resource_client.h"
 #include "cc/trees/layer_tree_host_impl.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "cc/trees/thread_proxy.h"
 #include "gpu/GLES2/gl2extchromium.h"
 #include "skia/ext/refptr.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "third_party/skia/include/core/SkPicture.h"
@@ skipping 1053 matching lines @@
 
  private:
   FakeContentLayerClient client_;
   scoped_refptr<NoScaleContentLayer> root_layer_;
   scoped_refptr<ContentLayer> child_layer_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestDeviceScaleFactorScalesViewportAndLayers);
 
 // Verify atomicity of commits and reuse of textures.
-class LayerTreeHostTestAtomicCommit : public LayerTreeHostTest {
+class LayerTreeHostTestDirectRendererAtomicCommit : public LayerTreeHostTest {
  public:
   virtual void InitializeSettings(LayerTreeSettings* settings) OVERRIDE {
     // Make sure partial texture updates are turned off.
     settings->max_partial_texture_updates = 0;
     // Linear fade animator prevents scrollbars from drawing immediately.
     settings->use_linear_fade_scrollbar_animator = false;
   }
 
   virtual void SetupTree() OVERRIDE {
     layer_ = FakeContentLayer::Create(&client_);
@@ skipping 32 matching lines @@
         // Verify that used texture is correct.
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
 
         context->ResetUsedTextures();
         PostSetNeedsCommitToMainThread();
         break;
       case 1:
         // Number of textures should be doubled as the first textures
         // are used by impl thread and cannot by used for update.
-        ASSERT_EQ(4u, context->NumTextures());
+        ASSERT_EQ(3u, context->NumTextures());
         // Number of textures used for commit should still be
         // one for each layer.
         EXPECT_EQ(2u, context->NumUsedTextures());
         // First textures should not have been used.
         EXPECT_FALSE(context->UsedTexture(context->TextureAt(0)));
-        EXPECT_FALSE(context->UsedTexture(context->TextureAt(1)));
+        EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
         // New textures should have been used.
         EXPECT_TRUE(context->UsedTexture(context->TextureAt(2)));
-        EXPECT_TRUE(context->UsedTexture(context->TextureAt(3)));
-
         context->ResetUsedTextures();
         PostSetNeedsCommitToMainThread();
         break;
       case 2:
         EndTest();
         break;
       default:
         NOTREACHED();
         break;
     }
@@ skipping 12 matching lines @@
     // We draw/ship one texture each frame for each layer.
     EXPECT_EQ(2u, context->NumUsedTextures());
     context->ResetUsedTextures();
   }
 
   virtual void Layout() OVERRIDE {
     layer_->SetNeedsDisplay();
     scrollbar_->SetNeedsDisplay();
   }
 
-  virtual void AfterTest() OVERRIDE {}
+  virtual void AfterTest() OVERRIDE { }
 
- private:
+ protected:
   FakeContentLayerClient client_;
   scoped_refptr<FakeContentLayer> layer_;
   scoped_refptr<FakeScrollbarLayer> scrollbar_;
   int drew_frame_;
 };
 
-MULTI_THREAD_TEST_F(LayerTreeHostTestAtomicCommit);
+MULTI_THREAD_DIRECT_RENDERER_TEST_F(
+    LayerTreeHostTestDirectRendererAtomicCommit);
+
+class LayerTreeHostTestDelegatingRendererAtomicCommit
+  : public LayerTreeHostTestDirectRendererAtomicCommit {
+ public:
+  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
+    ASSERT_EQ(0u, layer_tree_host()->settings().max_partial_texture_updates);
+
+    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
+        impl->output_surface()->context3d());
+
+    switch (impl->active_tree()->source_frame_number()) {
+      case 0:
+        // Number of textures should be one for each layer
+        ASSERT_EQ(2u, context->NumTextures());
+        // Number of textures used for commit should be one for each layer.
+        EXPECT_EQ(2u, context->NumUsedTextures());
+        // Verify that used texture is correct.
+        EXPECT_TRUE(context->UsedTexture(context->TextureAt(0)));
+        EXPECT_TRUE(context->UsedTexture(context->TextureAt(1)));
+        context->ResetUsedTextures();
+        PostSetNeedsCommitToMainThread();
+        break;
+      case 1:
+        // Number of textures should be doubled as the first textures
+        // are used by impl thread and cannot by used for update.
+        ASSERT_EQ(4u, context->NumTextures());
+        // Number of textures used for commit should still be
+        // one for each layer.
+        EXPECT_EQ(2u, context->NumUsedTextures());
+        // First textures should not have been used.
+        EXPECT_FALSE(context->UsedTexture(context->TextureAt(0)));
+        EXPECT_FALSE(context->UsedTexture(context->TextureAt(1)));
+        // New textures should have been used.
+        EXPECT_TRUE(context->UsedTexture(context->TextureAt(2)));
+        EXPECT_TRUE(context->UsedTexture(context->TextureAt(3)));
+        context->ResetUsedTextures();
+        PostSetNeedsCommitToMainThread();
+        break;
+      case 2:
+        EndTest();
+        break;
+      default:
+        NOTREACHED();
+        break;
+    }
+  }
+};
+
+MULTI_THREAD_DELEGATING_RENDERER_TEST_F(
+    LayerTreeHostTestDelegatingRendererAtomicCommit);
 
 static void SetLayerPropertiesForTesting(Layer* layer,
                                          Layer* parent,
                                          const gfx::Transform& transform,
                                          gfx::PointF anchor,
                                          gfx::PointF position,
                                          gfx::Size bounds,
                                          bool opaque) {
   layer->RemoveAllChildren();
   if (parent)
@@ skipping 186 matching lines @@
 
  private:
   FakeContentLayerClient client_;
   scoped_refptr<FakeContentLayer> parent_;
   scoped_refptr<FakeContentLayer> child_;
   scoped_refptr<FakeScrollbarLayer> scrollbar_with_paints_;
   scoped_refptr<FakeScrollbarLayer> scrollbar_without_paints_;
 };
 
 // Partial updates are not possible with a delegating renderer.
-SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(
-    LayerTreeHostTestAtomicCommitWithPartialUpdate);
+// No partial updates with impl-side painting scrollbar.
+// SINGLE_AND_MULTI_THREAD_DIRECT_RENDERER_TEST_F(

[enne (OOO), 2013/07/22 23:09:15]

Please don't comment out this test.  There's still testing to be had for partial
updates with content layers.  Maybe this test should be updated to only deal
with content layers.

[powei, 2013/07/24 02:28:29]

Done.  Uncommented the test and kept the content layer parts.

+//     LayerTreeHostTestAtomicCommitWithPartialUpdate);
 
 class LayerTreeHostTestFinishAllRendering : public LayerTreeHostTest {
  public:
   LayerTreeHostTestFinishAllRendering() : once_(false), draw_count_(0) {}
 
   virtual void BeginTest() OVERRIDE {
     layer_tree_host()->SetNeedsRedraw();
     PostSetNeedsCommitToMainThread();
   }
 
@@ skipping 1724 matching lines @@
 
  private:
   FakeContentLayerClient client_;
   scoped_refptr<FakePictureLayer> layer_;
   bool initialized_gl_;
   int num_draws_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostTestDeferredInitialize);
 
+// Test for UI Resource management.
+class LayerTreeHostTestUIResource : public LayerTreeHostTest {
+ public:
+  virtual void BeginTest() OVERRIDE {
+    ui_resource_client_ = new TestUIResourceClient();
+    PostSetNeedsCommitToMainThread();
+  }
+
+  virtual void DidCommit() OVERRIDE {
+    int frame = layer_tree_host()->commit_number();
+    switch (frame) {
+      case 1:
+        ui_resource_id_ =
+          layer_tree_host()->CreateUIResource(
+              base::Bind(&TestUIResourceClient::GetBitmap,
+                         ui_resource_client_.get()));
+        layer_tree_host()->CreateUIResource(
+              base::Bind(&TestUIResourceClient::GetBitmap,
+                         ui_resource_client_.get()));
+         PostSetNeedsCommitToMainThread();
+        break;
+      case 2:
+        layer_tree_host()->DeleteUIResource(ui_resource_id_);
+        PostSetNeedsCommitToMainThread();
+        break;
+      case 3:
+        layer_tree_host()->DeleteUIResource(ui_resource_id_);
+        PostSetNeedsCommitToMainThread();
+        break;
+      case 4:
+        layer_tree_host()->CreateUIResource(
+              base::Bind(&TestUIResourceClient::GetBitmap,
+                         ui_resource_client_.get()));
+        layer_tree_host()->CreateUIResource(
+              base::Bind(&TestUIResourceClient::GetBitmap,
+                         ui_resource_client_.get()));
+        PostSetNeedsCommitToMainThread();
+        break;
+      case 5:
+        EndTest();
+        break;
+    }
+  }
+
+  void PerformTest(LayerTreeHostImpl* impl) {
+    TestWebGraphicsContext3D* context = static_cast<TestWebGraphicsContext3D*>(
+        impl->output_surface()->context3d());
+
+    int frame = layer_tree_host()->commit_number();
+    switch (frame) {
+      case 1:
+        ASSERT_EQ(0u, context->NumTextures());
+        break;
+      case 2:
+        // Created two textures.
+        ASSERT_EQ(2u, context->NumTextures());
+        break;
+      case 3:
+        // One texture left after one deletion.
+        ASSERT_EQ(1u, context->NumTextures());
+        break;
+      case 4:
+        // Texture state should not change when delete is called on an
+        // invalid id.
+        ASSERT_EQ(1u, context->NumTextures());
+        break;
+      case 5:
+        // Creation after deletion: two more creates should total up to
+        // three textures.
+        ASSERT_EQ(3u, context->NumTextures());
+        break;
+    }
+  }
+
+  virtual void CommitCompleteOnThread(LayerTreeHostImpl* impl) OVERRIDE {
+    if (!layer_tree_host()->settings().impl_side_painting)
+      PerformTest(impl);
+  }
+
+  virtual void DidActivateTreeOnThread(LayerTreeHostImpl* impl) OVERRIDE {
+    if (layer_tree_host()->settings().impl_side_painting)
+      PerformTest(impl);
+  }
+
+  virtual void AfterTest() {}
+
+ private:
+  scoped_refptr<TestUIResourceClient> ui_resource_client_;
+  UIResourceId ui_resource_id_;
+};
+
+MULTI_THREAD_TEST_F(LayerTreeHostTestUIResource);
+
+
 }  // namespace
 }  // namespace cc