Added preliminary support for tile rasterization with Ganesh

cc/test/fake_tile_manager.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/test/fake_tile_manager.h"
 
 #include <deque>
 #include <limits>
 
+#include "cc/resources/gpu_rasterizer.h"
 #include "cc/resources/raster_worker_pool.h"
 
 namespace cc {
 
+class FakeGpuRasterizer : public GpuRasterizer {
+ public:
+  FakeGpuRasterizer()
+      : GpuRasterizer(NULL, NULL), completed_tiles_(0) {}
+  virtual ~FakeGpuRasterizer() {}
+
+  virtual void Rasterize(
+      const Queue& queue,
+      RenderingStatsInstrumentation* rendering_stats_instrumentation) OVERRIDE {
+    for (RasterTaskVector::const_iterator it = queue.raster_tasks_.begin();
+         it != queue.raster_tasks_.end(); ++it) {
+      RasterTask* task = *it;
+      Tile* tile = task->tile_;
+      client_->OnGpuRasterTaskCompleted(tile, task->resource_.Pass());
+      completed_tiles_++;
+    }
+  }
+
+  int completed_tiles_;
+};
+
 namespace {
 
 class FakeRasterWorkerPool : public RasterWorkerPool {
  public:
   FakeRasterWorkerPool() : RasterWorkerPool(NULL, 1) {}
 
   virtual void ScheduleTasks(RasterTask::Queue* queue) OVERRIDE {
     RasterWorkerPool::SetRasterTasks(queue);
     for (RasterTaskVector::const_iterator it = raster_tasks().begin();
          it != raster_tasks().end(); ++it) {
@@ skipping 21 matching lines @@
  private:
   typedef std::deque<scoped_refptr<internal::RasterWorkerPoolTask> > TaskDeque;
   TaskDeque completed_tasks_;
 };
 
 }  // namespace
 
 FakeTileManager::FakeTileManager(TileManagerClient* client)
     : TileManager(client,
                   NULL,
+                  make_scoped_ptr<GpuRasterizer>(new FakeGpuRasterizer),
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
                   std::numeric_limits<unsigned>::max(),
                   NULL),
       in_bundle_cleanup_(false) {}
 
 FakeTileManager::FakeTileManager(TileManagerClient* client,
                                  ResourceProvider* resource_provider)
     : TileManager(client,
                   resource_provider,
+                  make_scoped_ptr<GpuRasterizer>(new FakeGpuRasterizer),
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
                   std::numeric_limits<unsigned>::max(),
                   NULL),
       in_bundle_cleanup_(false) {}
 
 FakeTileManager::FakeTileManager(TileManagerClient* client,
                                  ResourceProvider* resource_provider,
                                  size_t raster_task_limit_bytes)
     : TileManager(client,
                   resource_provider,
+                  make_scoped_ptr<GpuRasterizer>(new FakeGpuRasterizer),
                   make_scoped_ptr<RasterWorkerPool>(new FakeRasterWorkerPool),
                   1,
                   raster_task_limit_bytes,
                   NULL),
       in_bundle_cleanup_(false) {}
 
 FakeTileManager::~FakeTileManager() {}
 
 void FakeTileManager::AssignMemoryToTiles(
     const GlobalStateThatImpactsTilePriority& state) {
@@ skipping 21 matching lines @@
     CleanUpReleasedTiles();
 }
 
 void FakeTileManager::Release(TileBundle* bundle) {
   TileManager::Release(bundle);
   in_bundle_cleanup_ = true;
   CleanUpReleasedTiles();
   in_bundle_cleanup_ = false;
 }
 
+int FakeTileManager::CompletedGpuRasterizedTiles() {
+  FakeGpuRasterizer* gpu_rasterizer =
+      static_cast<FakeGpuRasterizer*>(GetGpuRasterizerForTest());
+  return gpu_rasterizer->completed_tiles_;
+}
+
 }  // namespace cc