Raster: Allow a RasterSource to specify its color space

cc/tiles/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/tiles/tile_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 808 matching lines @@
 
   // Track the number of dependents for each *_done task.
   size_t required_for_activate_count = 0;
   size_t required_for_draw_count = 0;
   size_t all_count = 0;
 
   size_t priority = kTileTaskPriorityBase;
 
   graph_.Reset();
 
-  gfx::ColorSpace color_space = client_->GetTileColorSpace();
+  gfx::ColorSpace target_color_space = client_->GetTileColorSpace();
 
   scoped_refptr<TileTask> required_for_activation_done_task =
       CreateTaskSetFinishedTask(
           &TileManager::DidFinishRunningTileTasksRequiredForActivation);
   scoped_refptr<TileTask> required_for_draw_done_task =
       CreateTaskSetFinishedTask(
           &TileManager::DidFinishRunningTileTasksRequiredForDraw);
   scoped_refptr<TileTask> all_done_task =
       CreateTaskSetFinishedTask(&TileManager::DidFinishRunningAllTileTasks);
 
   // Build a new task queue containing all task currently needed. Tasks
   // are added in order of priority, highest priority task first.
   for (auto& prioritized_tile : tiles_that_need_to_be_rasterized) {
     Tile* tile = prioritized_tile.tile();
 
     DCHECK(tile->draw_info().requires_resource());
     DCHECK(!tile->draw_info().resource_);
 
     if (!tile->raster_task_)
-      tile->raster_task_ = CreateRasterTask(prioritized_tile, color_space);
+      tile->raster_task_ = CreateRasterTask(
+          prioritized_tile,
+          prioritized_tile.raster_source()->HasImpliedColorSpace()
+              ? prioritized_tile.raster_source()->GetImpliedColorSpace()
+              : target_color_space);
 
     TileTask* task = tile->raster_task_.get();
 
     DCHECK(!task->HasCompleted());
 
     if (tile->required_for_activation()) {
       required_for_activate_count++;
       graph_.edges.push_back(
           TaskGraph::Edge(task, required_for_activation_done_task.get()));
     }
@@ skipping 491 matching lines @@
   all_tile_tasks_completed = false;
   did_notify_all_tile_tasks_completed = false;
 }
 
 TileManager::PrioritizedWorkToSchedule::PrioritizedWorkToSchedule() = default;
 TileManager::PrioritizedWorkToSchedule::PrioritizedWorkToSchedule(
     PrioritizedWorkToSchedule&& other) = default;
 TileManager::PrioritizedWorkToSchedule::~PrioritizedWorkToSchedule() = default;
 
 }  // namespace cc