cc: Use gpu raster in HUD.

cc/layers/heads_up_display_layer_impl_unittest.cc

 // Copyright 2013 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 <stddef.h>
 
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/heads_up_display_layer_impl.h"
 #include "cc/test/fake_compositor_frame_sink.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_layer_tree_host_impl.h"
 #include "cc/test/test_task_graph_runner.h"
 #include "cc/trees/layer_tree_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 void CheckDrawLayer(HeadsUpDisplayLayerImpl* layer,
                     ResourceProvider* resource_provider,
+                    ContextProvider* context_provider,
                     DrawMode draw_mode) {
   std::unique_ptr<RenderPass> render_pass = RenderPass::Create();
   AppendQuadsData data;
   bool will_draw = layer->WillDraw(draw_mode, resource_provider);
   if (will_draw)
     layer->AppendQuads(render_pass.get(), &data);
-  layer->UpdateHudTexture(draw_mode, resource_provider);
+  layer->UpdateHudTexture(draw_mode, resource_provider, context_provider);
   if (will_draw)
     layer->DidDraw(resource_provider);
 
   size_t expected_quad_list_size = will_draw ? 1 : 0;
   EXPECT_EQ(expected_quad_list_size, render_pass->quad_list.size());
+  EXPECT_EQ(0u, data.num_missing_tiles);
+  EXPECT_EQ(0u, data.num_incomplete_tiles);
 }
 
 TEST(HeadsUpDisplayLayerImplTest, ResourcelessSoftwareDrawAfterResourceLoss) {
   FakeImplTaskRunnerProvider task_runner_provider;
   TestTaskGraphRunner task_graph_runner;
   std::unique_ptr<CompositorFrameSink> compositor_frame_sink =
       FakeCompositorFrameSink::Create3d();
   FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner);
   host_impl.CreatePendingTree();
   host_impl.SetVisible(true);
   host_impl.InitializeRenderer(compositor_frame_sink.get());
   std::unique_ptr<HeadsUpDisplayLayerImpl> layer_ptr =
       HeadsUpDisplayLayerImpl::Create(host_impl.pending_tree(), 1);
   layer_ptr->SetBounds(gfx::Size(100, 100));
 
   HeadsUpDisplayLayerImpl* layer = layer_ptr.get();
 
   host_impl.pending_tree()->SetRootLayerForTesting(std::move(layer_ptr));
   host_impl.pending_tree()->BuildLayerListAndPropertyTreesForTesting();
 
   // Check regular hardware draw is ok.
-  CheckDrawLayer(layer, host_impl.resource_provider(), DRAW_MODE_HARDWARE);
+  CheckDrawLayer(layer, host_impl.resource_provider(),
+                 compositor_frame_sink->context_provider(), DRAW_MODE_HARDWARE);
 
   // Simulate a resource loss on transitioning to resourceless software mode.
   layer->ReleaseResources();
 
   // Should skip resourceless software draw and not crash in UpdateHudTexture.
   CheckDrawLayer(layer, host_impl.resource_provider(),
+                 compositor_frame_sink->context_provider(),
                  DRAW_MODE_RESOURCELESS_SOFTWARE);
 }
 
+TEST(HeadsUpDisplayLayerImplTest, CPUAndGPURasterCanvas) {
+  FakeImplTaskRunnerProvider task_runner_provider;
+  TestTaskGraphRunner task_graph_runner;
+  std::unique_ptr<CompositorFrameSink> compositor_frame_sink =
+      FakeCompositorFrameSink::Create3d();
+  FakeLayerTreeHostImpl host_impl(&task_runner_provider, &task_graph_runner);
+  host_impl.CreatePendingTree();
+  host_impl.SetVisible(true);
+  host_impl.InitializeRenderer(compositor_frame_sink.get());
+  std::unique_ptr<HeadsUpDisplayLayerImpl> layer_ptr =
+      HeadsUpDisplayLayerImpl::Create(host_impl.pending_tree(), 1);
+  layer_ptr->SetBounds(gfx::Size(100, 100));
+
+  HeadsUpDisplayLayerImpl* layer = layer_ptr.get();
+
+  host_impl.pending_tree()->SetRootLayerForTesting(std::move(layer_ptr));
+  host_impl.pending_tree()->BuildLayerListAndPropertyTreesForTesting();
+
+  // Check Ganesh canvas drawing is ok.
+  CheckDrawLayer(layer, host_impl.resource_provider(),
+                 compositor_frame_sink->context_provider(), DRAW_MODE_HARDWARE);
+
+  // Check SW canvas drawing is ok.
+  CheckDrawLayer(layer, host_impl.resource_provider(), NULL,
+                 DRAW_MODE_SOFTWARE);
+}
+
 }  // namespace
 }  // namespace cc