cc: Refactor ResourceProvider.

cc/resources/pixel_buffer_raster_worker_pool.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/pixel_buffer_raster_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/containers/stack_container.h"
 #include "base/debug/trace_event.h"
 #include "cc/debug/traced_value.h"
 #include "cc/resources/resource.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
+
+using gpu::gles2::GLES2Interface;
 
 namespace cc {
 namespace {
 
 const int kCheckForCompletedRasterTasksDelayMs = 6;
 
 const size_t kMaxScheduledRasterTasks = 48;
 
 typedef base::StackVector<RasterTask*, kMaxScheduledRasterTasks>
     RasterTaskVector;
 
 }  // namespace
 
 // static
 scoped_ptr<RasterWorkerPool> PixelBufferRasterWorkerPool::Create(
     base::SequencedTaskRunner* task_runner,
     TaskGraphRunner* task_graph_runner,
     ResourceProvider* resource_provider,
     size_t max_transfer_buffer_usage_bytes) {
   return make_scoped_ptr<RasterWorkerPool>(
       new PixelBufferRasterWorkerPool(task_runner,
                                       task_graph_runner,
                                       resource_provider,
                                       max_transfer_buffer_usage_bytes));
 }
 
 PixelBufferRasterWorkerPool::PixelBufferRasterWorkerPool(

[danakj, 2014/07/10 17:01:43]

We can pass the ContextProvider* to this class along with the ResourceProvider*

[sohanjg, 2014/07/11 16:43:32]

Done.

     base::SequencedTaskRunner* task_runner,
     TaskGraphRunner* task_graph_runner,
     ResourceProvider* resource_provider,
     size_t max_transfer_buffer_usage_bytes)
     : task_runner_(task_runner),
       task_graph_runner_(task_graph_runner),
       namespace_token_(task_graph_runner->GetNamespaceToken()),
       resource_provider_(resource_provider),
       shutdown_(false),
       scheduled_raster_task_count_(0u),
@@ skipping 258 matching lines @@
   // This reduces latency between the time when all tasks required for
   // activation have finished running and the time when the client is
   // notified.
   CheckForCompletedRasterTasks();
 }
 
 void PixelBufferRasterWorkerPool::FlushUploads() {
   if (!has_performed_uploads_since_last_flush_)
     return;
 
-  resource_provider_->ShallowFlushIfSupported();
+  GLES2Interface* gl = resource_provider_->ContextGL();
+  if (gl)
+    gl->ShallowFlushCHROMIUM();
   has_performed_uploads_since_last_flush_ = false;
 }
 
 void PixelBufferRasterWorkerPool::CheckForCompletedUploads() {
   RasterTask::Vector tasks_with_completed_uploads;
 
   // First check if any have completed.
   while (!raster_tasks_with_pending_upload_.empty()) {
     RasterTask* task = raster_tasks_with_pending_upload_.front().get();
     DCHECK(std::find_if(raster_task_states_.begin(),
@@ skipping 426 matching lines @@
 
   throttle_state->SetInteger("bytes_available_for_upload",
                              max_bytes_pending_upload_ - bytes_pending_upload_);
   throttle_state->SetInteger("bytes_pending_upload", bytes_pending_upload_);
   throttle_state->SetInteger("scheduled_raster_task_count",
                              scheduled_raster_task_count_);
   return throttle_state.PassAs<base::Value>();
 }
 
 }  // namespace cc