cc: Add initial GPU-to-GPU copy rasterizer implementation.

cc/resources/raster_worker_pool_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 "cc/resources/raster_worker_pool.h"
 
 #include <limits>
 #include <vector>
 
 #include "base/cancelable_callback.h"
 #include "cc/resources/direct_raster_worker_pool.h"
+#include "cc/resources/image_copy_raster_worker_pool.h"
 #include "cc/resources/image_raster_worker_pool.h"
 #include "cc/resources/picture_pile.h"
 #include "cc/resources/picture_pile_impl.h"
 #include "cc/resources/pixel_buffer_raster_worker_pool.h"
 #include "cc/resources/rasterizer.h"
+#include "cc/resources/resource_pool.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/resources/scoped_resource.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_output_surface_client.h"
 #include "cc/test/test_shared_bitmap_manager.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace cc {
 namespace {
 
 enum RasterWorkerPoolType {
   RASTER_WORKER_POOL_TYPE_PIXEL_BUFFER,
   RASTER_WORKER_POOL_TYPE_IMAGE,
+  RASTER_WORKER_POOL_TYPE_IMAGE_COPY,
   RASTER_WORKER_POOL_TYPE_DIRECT
 };
 
 class TestRasterTaskImpl : public RasterTask {
  public:
   typedef base::Callback<
       void(const PicturePileImpl::Analysis& analysis, bool was_canceled)> Reply;
 
   TestRasterTaskImpl(const Resource* resource,
                      const Reply& reply,
@@ skipping 65 matching lines @@
         timeout_seconds_(5),
         timed_out_(false) {
     output_surface_ = FakeOutputSurface::Create3d(context_provider_).Pass();
     CHECK(output_surface_->BindToClient(&output_surface_client_));
 
     shared_bitmap_manager_.reset(new TestSharedBitmapManager());
     resource_provider_ =
         ResourceProvider::Create(
             output_surface_.get(), shared_bitmap_manager_.get(), 0, false, 1)
             .Pass();
+    staging_resource_pool_ = ResourcePool::Create(
+        resource_provider_.get(), GL_TEXTURE_2D, RGBA_8888);
 
     switch (GetParam()) {
       case RASTER_WORKER_POOL_TYPE_PIXEL_BUFFER:
         raster_worker_pool_ = PixelBufferRasterWorkerPool::Create(
             base::MessageLoopProxy::current().get(),
             RasterWorkerPool::GetTaskGraphRunner(),
             resource_provider_.get(),
             std::numeric_limits<size_t>::max());
         break;
       case RASTER_WORKER_POOL_TYPE_IMAGE:
         raster_worker_pool_ = ImageRasterWorkerPool::Create(
             base::MessageLoopProxy::current().get(),
             RasterWorkerPool::GetTaskGraphRunner(),
             resource_provider_.get());
         break;
+      case RASTER_WORKER_POOL_TYPE_IMAGE_COPY:
+        raster_worker_pool_ = ImageCopyRasterWorkerPool::Create(
+            base::MessageLoopProxy::current().get(),
+            RasterWorkerPool::GetTaskGraphRunner(),
+            resource_provider_.get(),
+            staging_resource_pool_.get());
+        break;
       case RASTER_WORKER_POOL_TYPE_DIRECT:
         raster_worker_pool_ = DirectRasterWorkerPool::Create(
             base::MessageLoopProxy::current().get(),
             resource_provider_.get(),
             context_provider_.get());
         break;
     }
 
     DCHECK(raster_worker_pool_);
     raster_worker_pool_->AsRasterizer()->SetClient(this);
   }
-  virtual ~RasterWorkerPoolTest() { resource_provider_.reset(); }
+  virtual ~RasterWorkerPoolTest() {
+    staging_resource_pool_.reset();
+    resource_provider_.reset();
+  }
 
   // Overridden from testing::Test:
   virtual void TearDown() OVERRIDE {
     raster_worker_pool_->AsRasterizer()->Shutdown();
     raster_worker_pool_->AsRasterizer()->CheckForCompletedTasks();
   }
 
   // Overriden from RasterWorkerPoolClient:
   virtual bool ShouldForceTasksRequiredForActivationToComplete() const
       OVERRIDE {
@@ skipping 89 matching lines @@
     timed_out_ = true;
     base::MessageLoop::current()->Quit();
   }
 
  protected:
   scoped_refptr<TestContextProvider> context_provider_;
   FakeOutputSurfaceClient output_surface_client_;
   scoped_ptr<FakeOutputSurface> output_surface_;
   scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
   scoped_ptr<ResourceProvider> resource_provider_;
+  scoped_ptr<ResourcePool> staging_resource_pool_;
   scoped_ptr<RasterWorkerPool> raster_worker_pool_;
   base::CancelableClosure timeout_;
   int timeout_seconds_;
   bool timed_out_;
   RasterTaskVector tasks_;
   std::vector<RasterTaskResult> completed_tasks_;
 };
 
 TEST_P(RasterWorkerPoolTest, Basic) {
   AppendTask(0u);
@@ skipping 41 matching lines @@
   // Unblock the first task to allow the second task to complete.
   lock.Release();
 
   RunMessageLoopUntilAllTasksHaveCompleted();
 }
 
 INSTANTIATE_TEST_CASE_P(RasterWorkerPoolTests,
                         RasterWorkerPoolTest,
                         ::testing::Values(RASTER_WORKER_POOL_TYPE_PIXEL_BUFFER,
                                           RASTER_WORKER_POOL_TYPE_IMAGE,
+                                          RASTER_WORKER_POOL_TYPE_IMAGE_COPY,
                                           RASTER_WORKER_POOL_TYPE_DIRECT));
 
 }  // namespace
 }  // namespace cc