cc: Add mask tiling unit tests

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 6640 matching lines @@
     EndTest();
     return draw_result;
   }
 
   void AfterTest() override {}
 
   int mask_layer_id_;
   FakeContentLayerClient client_;
 };
 
+class LayerTreeTestSingleTextureMaskLayerForSurfaceWithContentRectNotAtOrigin
+    : public LayerTreeTestMaskLayerForSurfaceWithContentRectNotAtOrigin {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = false;
+  }
+};
+
 SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeTestMaskLayerForSurfaceWithContentRectNotAtOrigin);
+    LayerTreeTestSingleTextureMaskLayerForSurfaceWithContentRectNotAtOrigin);
+
+class LayerTreeTestMultiTextureMaskLayerForSurfaceWithContentRectNotAtOrigin
+    : public LayerTreeTestMaskLayerForSurfaceWithContentRectNotAtOrigin {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = true;
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(
+    LayerTreeTestMultiTextureMaskLayerForSurfaceWithContentRectNotAtOrigin);
 
 class LayerTreeTestMaskLayerForSurfaceWithClippedLayer : public LayerTreeTest {
  protected:
   void SetupTree() override {
     // The masked layer has bounds 50x50, but it has a child that causes
     // the surface bounds to be larger. It also has a parent that clips the
     // masked layer and its surface.
 
     scoped_refptr<Layer> root = Layer::Create();
 
@@ skipping 91 matching lines @@
     EndTest();
     return draw_result;
   }
 
   void AfterTest() override {}
 
   int mask_layer_id_;
   FakeContentLayerClient client_;
 };
 
+class LayerTreeTestSingleTextureMaskLayerForSurfaceWithClippedLayer
+    : public LayerTreeTestMaskLayerForSurfaceWithClippedLayer {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = false;
+  }
+};
+
 SINGLE_AND_MULTI_THREAD_TEST_F(
-    LayerTreeTestMaskLayerForSurfaceWithClippedLayer);
+    LayerTreeTestSingleTextureMaskLayerForSurfaceWithClippedLayer);
+
+class LayerTreeTestMultiTextureMaskLayerForSurfaceWithClippedLayer
+    : public LayerTreeTestMaskLayerForSurfaceWithClippedLayer {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = true;
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(
+    LayerTreeTestMultiTextureMaskLayerForSurfaceWithClippedLayer);
 
 class LayerTreeTestMaskLayerWithScaling : public LayerTreeTest {
  protected:
-  void InitializeSettings(LayerTreeSettings* settings) override {
-    settings->layer_transforms_should_scale_layer_contents = true;
-  }
-
   void SetupTree() override {
     // Root
     //  |
     //  +-- Scaling Layer (adds a 2x scale)
     //       |
     //       +-- Content Layer
     //             +--Mask
 
     scoped_refptr<Layer> root = Layer::Create();
 
@@ skipping 95 matching lines @@
         layer_tree_host()->SetDeviceScaleFactor(2.f);
         break;
     }
   }
 
   void AfterTest() override {}
 
   FakeContentLayerClient client_;
 };
 
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeTestMaskLayerWithScaling);
+class LayerTreeTestSingleTextureMaskLayerWithScaling
+    : public LayerTreeTestMaskLayerWithScaling {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = false;
+    settings->layer_transforms_should_scale_layer_contents = true;
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeTestSingleTextureMaskLayerWithScaling);
+
+class LayerTreeTestMultiTextureMaskLayerWithScaling
+    : public LayerTreeTestMaskLayerWithScaling {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = true;
+    settings->layer_transforms_should_scale_layer_contents = true;
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeTestMultiTextureMaskLayerWithScaling);
 
 class LayerTreeTestMaskLayerWithDifferentBounds : public LayerTreeTest {
  protected:
   void SetupTree() override {
     // The mask layer has bounds 100x100 but is attached to a layer with bounds
     // 50x50.
 
     scoped_refptr<Layer> root = Layer::Create();
 
     scoped_refptr<FakePictureLayer> content_layer =
@@ skipping 84 matching lines @@
         layer_tree_host()->SetDeviceScaleFactor(2.f);
         break;
     }
   }
 
   void AfterTest() override {}
 
   FakeContentLayerClient client_;
 };
 
-SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeTestMaskLayerWithDifferentBounds);
+class LayerTreeTestSingleTextureMaskLayerWithDifferentBounds
+    : public LayerTreeTestMaskLayerWithDifferentBounds {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = false;
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(
+    LayerTreeTestSingleTextureMaskLayerWithDifferentBounds);
+
+class LayerTreeTestMultiTextureMaskLayerWithDifferentBounds
+    : public LayerTreeTestMaskLayerWithDifferentBounds {
+ public:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->enable_mask_tiling = true;
+  }
+};
+
+SINGLE_AND_MULTI_THREAD_TEST_F(
+    LayerTreeTestMultiTextureMaskLayerWithDifferentBounds);
 
 class LayerTreeTestPageScaleFlags : public LayerTreeTest {
  protected:
   void SetupTree() override {
     // -root
     //   -pre page scale
     //   -page scale
     //     -page scale child1
     //       -page scale grandchild
     //     -page scale child2
@@ skipping 581 matching lines @@
   void AfterTest() override {}
 
  private:
   bool received_ack_ = false;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostTestDiscardAckAfterRelease);
 
 }  // namespace
 }  // namespace cc