Remaining code for basic tile compression functionality.

cc/raster/pixel_buffer_tile_task_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/raster/pixel_buffer_tile_task_worker_pool.h"
 
 #include <algorithm>
 
 #include "base/containers/stack_container.h"
 #include "base/strings/stringprintf.h"
@@ skipping 295 matching lines @@
     DCHECK_EQ(RasterTaskState::COMPLETED, state_it->type);
 
     std::swap(*state_it, raster_task_states_.back());
     raster_task_states_.pop_back();
 
     task->RunReplyOnOriginThread();
   }
   completed_raster_tasks_.clear();
 }
 
-ResourceFormat PixelBufferTileTaskWorkerPool::GetResourceFormat() const {
-  return resource_provider_->memory_efficient_texture_format();
+ResourceFormat PixelBufferTileTaskWorkerPool::GetResourceFormat(
+    bool must_be_noncompressed,
+    bool must_support_alpha) const {
+  return resource_provider_->memory_efficient_texture_format(
+      must_be_noncompressed, must_support_alpha);
 }
 
-bool PixelBufferTileTaskWorkerPool::GetResourceRequiresSwizzle() const {
-  return !PlatformColor::SameComponentOrder(GetResourceFormat());
+bool PixelBufferTileTaskWorkerPool::GetResourceRequiresSwizzle(
+    bool must_be_noncompressed,
+    bool must_support_alpha) const {
+  return !PlatformColor::SameComponentOrder(
+             GetResourceFormat(must_be_noncompressed, must_support_alpha));
 }
 
 scoped_ptr<RasterBuffer> PixelBufferTileTaskWorkerPool::AcquireBufferForRaster(
     const Resource* resource,
     uint64_t resource_content_id,
     uint64_t previous_content_id) {
   return make_scoped_ptr<RasterBuffer>(
       new RasterBufferImpl(resource_provider_, resource));
 }
 
@@ skipping 413 matching lines @@
   throttle_state->SetInteger(
       "bytes_available_for_upload",
       static_cast<int>(max_bytes_pending_upload_ - bytes_pending_upload_));
   throttle_state->SetInteger("bytes_pending_upload",
                              static_cast<int>(bytes_pending_upload_));
   throttle_state->SetInteger("scheduled_raster_task_count",
                              static_cast<int>(scheduled_raster_task_count_));
 }
 
 }  // namespace cc