| // 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. |
| |
| #ifndef CC_PLAYBACK_DISPLAY_ITEM_LIST_H_ |
| #define CC_PLAYBACK_DISPLAY_ITEM_LIST_H_ |
| |
| #include "base/gtest_prod_util.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/trace_event/trace_event.h" |
| #include "cc/base/cc_export.h" |
| #include "cc/base/scoped_ptr_vector.h" |
| #include "cc/playback/display_item.h" |
| #include "cc/playback/pixel_ref_map.h" |
| // TODO(danakj): Move ListContainer out of cc/quads/ |
| #include "cc/quads/list_container.h" |
| #include "skia/ext/refptr.h" |
| #include "third_party/skia/include/core/SkPicture.h" |
| #include "ui/gfx/geometry/rect.h" |
| |
| class SkCanvas; |
| class SkDrawPictureCallback; |
| class SkPictureRecorder; |
| |
| namespace cc { |
| |
| class CC_EXPORT DisplayItemList |
| : public base::RefCountedThreadSafe<DisplayItemList> { |
| public: |
| static scoped_refptr<DisplayItemList> Create(gfx::Rect layer_rect, |
| bool use_cached_picture); |
| |
| void Raster(SkCanvas* canvas, |
| SkDrawPictureCallback* callback, |
| float contents_scale) const; |
| |
| template <typename DisplayItemType> |
| DisplayItemType* CreateAndAppendItem() { |
| #if DCHECK_IS_ON() |
| needs_process_ = true; |
| #endif |
| ProcessAppendedItemsOnTheFly(); |
| return items_.AllocateAndConstruct<DisplayItemType>(); |
| } |
| |
| void ProcessAppendedItems(); |
| void CreateAndCacheSkPicture(); |
| |
| bool IsSuitableForGpuRasterization() const; |
| int ApproximateOpCount() const; |
| size_t PictureMemoryUsage() const; |
| |
| scoped_refptr<base::trace_event::ConvertableToTraceFormat> AsValue() const; |
| |
| void EmitTraceSnapshot() const; |
| |
| void GatherPixelRefs(const gfx::Size& grid_cell_size); |
| |
| private: |
| DisplayItemList(gfx::Rect layer_rect, |
| bool use_cached_picture, |
| bool retain_individual_display_items); |
| DisplayItemList(gfx::Rect layer_rect, bool use_cached_picture); |
| ~DisplayItemList(); |
| |
| // While appending new items, if they are not being retained, this can process |
| // periodically to avoid retaining all the items and processing at the end. |
| void ProcessAppendedItemsOnTheFly(); |
| #if DCHECK_IS_ON() |
| bool ProcessAppendedItemsCalled() const { return !needs_process_; } |
| bool needs_process_; |
| #else |
| bool ProcessAppendedItemsCalled() const { return true; } |
| #endif |
| |
| ListContainer<DisplayItem> items_; |
| skia::RefPtr<SkPicture> picture_; |
| |
| scoped_ptr<SkPictureRecorder> recorder_; |
| skia::RefPtr<SkCanvas> canvas_; |
| bool use_cached_picture_; |
| bool retain_individual_display_items_; |
| |
| gfx::Rect layer_rect_; |
| bool is_suitable_for_gpu_rasterization_; |
| int approximate_op_count_; |
| size_t picture_memory_usage_; |
| |
| scoped_ptr<PixelRefMap> pixel_refs_; |
| |
| friend class base::RefCountedThreadSafe<DisplayItemList>; |
| friend class PixelRefMap::Iterator; |
| FRIEND_TEST_ALL_PREFIXES(DisplayItemListTest, PictureMemoryUsage); |
| DISALLOW_COPY_AND_ASSIGN(DisplayItemList); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_PLAYBACK_DISPLAY_ITEM_LIST_H_ |