cc: Add RasterSource::PlaybackSettings for finer control of raster.

cc/raster/gpu_tile_task_worker_pool.cc

 // Copyright 2014 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/gpu_tile_task_worker_pool.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 
@@ skipping 19 matching lines @@
                    const Resource* resource,
                    uint64_t resource_content_id,
                    uint64_t previous_content_id)
       : rasterizer_(rasterizer),
         lock_(rasterizer->resource_provider(), resource->id()),
         resource_has_previous_content_(
             resource_content_id && resource_content_id == previous_content_id) {
   }
 
   // Overridden from RasterBuffer:
-  void Playback(const RasterSource* raster_source,
-                const gfx::Rect& raster_full_rect,
-                const gfx::Rect& raster_dirty_rect,
-                uint64_t new_content_id,
-                float scale,
-                bool include_images) override {
+  void Playback(
+      const RasterSource* raster_source,
+      const gfx::Rect& raster_full_rect,
+      const gfx::Rect& raster_dirty_rect,
+      uint64_t new_content_id,
+      float scale,
+      const RasterSource::PlaybackSettings& playback_settings) override {
     TRACE_EVENT0("cc", "RasterBufferImpl::Playback");
     // GPU raster doesn't do low res tiles, so should always include images.
-    DCHECK(include_images);
+    DCHECK(!playback_settings.skip_images);
     ContextProvider* context_provider = rasterizer_->resource_provider()
                                             ->output_surface()
                                             ->worker_context_provider();
     DCHECK(context_provider);
 
     ContextProvider::ScopedContextLock scoped_context(context_provider);
 
     gfx::Rect playback_rect = raster_full_rect;
     if (resource_has_previous_content_) {
       playback_rect.Intersect(raster_dirty_rect);
     }
     DCHECK(!playback_rect.IsEmpty())
         << "Why are we rastering a tile that's not dirty?";
 
     // TODO(danakj): Implement partial raster with raster_dirty_rect.
     // Rasterize source into resource.
     rasterizer_->RasterizeSource(&lock_, raster_source, raster_full_rect,
-                                 playback_rect, scale);
+                                 playback_rect, scale, playback_settings);
 
     gpu::gles2::GLES2Interface* gl = scoped_context.ContextGL();
     const uint64_t fence_sync = gl->InsertFenceSyncCHROMIUM();
 
     // Barrier to sync worker context output to cc context.
     gl->OrderingBarrierCHROMIUM();
 
     // Generate sync token after the barrier for cross context synchronization.
     gpu::SyncToken sync_token;
     gl->GenUnverifiedSyncTokenCHROMIUM(fence_sync, sync_token.GetData());
@@ skipping 107 matching lines @@
   return scoped_ptr<RasterBuffer>(new RasterBufferImpl(
       rasterizer_.get(), resource, resource_content_id, previous_content_id));
 }
 
 void GpuTileTaskWorkerPool::ReleaseBufferForRaster(
     scoped_ptr<RasterBuffer> buffer) {
   // Nothing to do here. RasterBufferImpl destructor cleans up after itself.
 }
 
 }  // namespace cc