| // 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. |
| |
| #ifndef CC_LAYERS_PICTURE_LAYER_IMPL_H_ |
| #define CC_LAYERS_PICTURE_LAYER_IMPL_H_ |
| |
| #include <stddef.h> |
| |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "base/memory/ptr_util.h" |
| #include "cc/cc_export.h" |
| #include "cc/layers/layer.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/paint/image_id.h" |
| #include "cc/tiles/picture_layer_tiling.h" |
| #include "cc/tiles/picture_layer_tiling_set.h" |
| #include "cc/tiles/tiling_set_eviction_queue.h" |
| #include "cc/trees/image_animation_controller.h" |
| |
| namespace cc { |
| |
| class AppendQuadsData; |
| class MicroBenchmarkImpl; |
| class Tile; |
| |
| class CC_EXPORT PictureLayerImpl |
| : public LayerImpl, |
| public PictureLayerTilingClient, |
| public ImageAnimationController::AnimationDriver { |
| public: |
| static std::unique_ptr<PictureLayerImpl> |
| Create(LayerTreeImpl* tree_impl, int id, Layer::LayerMaskType mask_type) { |
| return base::WrapUnique(new PictureLayerImpl(tree_impl, id, mask_type)); |
| } |
| ~PictureLayerImpl() override; |
| |
| Layer::LayerMaskType mask_type() const { return mask_type_; } |
| void SetLayerMaskType(Layer::LayerMaskType type); |
| |
| // LayerImpl overrides. |
| const char* LayerTypeAsString() const override; |
| std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; |
| void PushPropertiesTo(LayerImpl* layer) override; |
| void AppendQuads(viz::RenderPass* render_pass, |
| AppendQuadsData* append_quads_data) override; |
| void NotifyTileStateChanged(const Tile* tile) override; |
| void ResetRasterScale(); |
| void DidBeginTracing() override; |
| void ReleaseResources() override; |
| void ReleaseTileResources() override; |
| void RecreateTileResources() override; |
| Region GetInvalidationRegionForDebugging() override; |
| |
| // PictureLayerTilingClient overrides. |
| std::unique_ptr<Tile> CreateTile(const Tile::CreateInfo& info) override; |
| gfx::Size CalculateTileSize(const gfx::Size& content_bounds) const override; |
| const Region* GetPendingInvalidation() override; |
| const PictureLayerTiling* GetPendingOrActiveTwinTiling( |
| const PictureLayerTiling* tiling) const override; |
| bool HasValidTilePriorities() const override; |
| bool RequiresHighResToDraw() const override; |
| gfx::Rect GetEnclosingRectInTargetSpace() const override; |
| |
| // ImageAnimationController::AnimationDriver overrides. |
| bool ShouldAnimate(PaintImage::Id paint_image_id) const override; |
| |
| void set_gpu_raster_max_texture_size(gfx::Size gpu_raster_max_texture_size) { |
| gpu_raster_max_texture_size_ = gpu_raster_max_texture_size; |
| } |
| void UpdateRasterSource(scoped_refptr<RasterSource> raster_source, |
| Region* new_invalidation, |
| const PictureLayerTilingSet* pending_set); |
| bool UpdateTiles(); |
| // Returns true if the LCD state changed. |
| bool UpdateCanUseLCDTextAfterCommit(); |
| |
| // Mask-related functions. |
| void GetContentsResourceId(viz::ResourceId* resource_id, |
| gfx::Size* resource_size, |
| gfx::SizeF* resource_uv_size) const override; |
| |
| void SetNearestNeighbor(bool nearest_neighbor); |
| |
| void SetUseTransformedRasterization(bool use); |
| |
| size_t GPUMemoryUsageInBytes() const override; |
| |
| void RunMicroBenchmark(MicroBenchmarkImpl* benchmark) override; |
| |
| bool CanHaveTilings() const; |
| |
| PictureLayerTilingSet* picture_layer_tiling_set() { return tilings_.get(); } |
| |
| // Functions used by tile manager. |
| PictureLayerImpl* GetPendingOrActiveTwinLayer() const; |
| bool IsOnActiveOrPendingTree() const; |
| |
| // Used for benchmarking |
| RasterSource* GetRasterSource() const { return raster_source_.get(); } |
| |
| void set_is_directly_composited_image(bool is_directly_composited_image) { |
| is_directly_composited_image_ = is_directly_composited_image; |
| } |
| |
| // This enum is the return value of the InvalidateRegionForImages() call. The |
| // possible values represent the fact that there are no images on this layer |
| // (kNoImages), the fact that the invalidation images don't cause an |
| // invalidation on this layer (kNoInvalidation), or the fact that the layer |
| // was invalidated (kInvalidated). |
| enum class ImageInvalidationResult { |
| kNoImages, |
| kNoInvalidation, |
| kInvalidated, |
| }; |
| |
| ImageInvalidationResult InvalidateRegionForImages( |
| const PaintImageIdFlatSet& images_to_invalidate); |
| |
| bool RasterSourceUsesLCDTextForTesting() const { return can_use_lcd_text_; } |
| |
| const Region& InvalidationForTesting() const { return invalidation_; } |
| |
| protected: |
| PictureLayerImpl(LayerTreeImpl* tree_impl, |
| int id, |
| Layer::LayerMaskType mask_type); |
| PictureLayerTiling* AddTiling(const gfx::AxisTransform2d& contents_transform); |
| void RemoveAllTilings(); |
| void AddTilingsForRasterScale(); |
| void AddLowResolutionTilingIfNeeded(); |
| bool ShouldAdjustRasterScale() const; |
| void RecalculateRasterScales(); |
| gfx::Vector2dF CalculateRasterTranslation(float raster_scale); |
| void CleanUpTilingsOnActiveLayer( |
| const std::vector<PictureLayerTiling*>& used_tilings); |
| float MinimumContentsScale() const; |
| float MaximumContentsScale() const; |
| void UpdateViewportRectForTilePriorityInContentSpace(); |
| PictureLayerImpl* GetRecycledTwinLayer() const; |
| |
| void SanityCheckTilingState() const; |
| |
| void GetDebugBorderProperties(SkColor* color, float* width) const override; |
| void GetAllPrioritizedTilesForTracing( |
| std::vector<PrioritizedTile>* prioritized_tiles) const override; |
| void AsValueInto(base::trace_event::TracedValue* dict) const override; |
| |
| void UpdateIdealScales(); |
| float MaximumTilingContentsScale() const; |
| std::unique_ptr<PictureLayerTilingSet> CreatePictureLayerTilingSet(); |
| |
| void RegisterAnimatedImages(); |
| void UnregisterAnimatedImages(); |
| |
| PictureLayerImpl* twin_layer_; |
| |
| std::unique_ptr<PictureLayerTilingSet> tilings_; |
| scoped_refptr<RasterSource> raster_source_; |
| Region invalidation_; |
| |
| // Ideal scales are calcuated from the transforms applied to the layer. They |
| // represent the best known scale from the layer to the final output. |
| // Page scale is from user pinch/zoom. |
| float ideal_page_scale_; |
| // Device scale is from screen dpi, and it comes from device scale facter. |
| float ideal_device_scale_; |
| // Source scale comes from javascript css scale. |
| float ideal_source_scale_; |
| // Contents scale = device scale * page scale * source scale. |
| float ideal_contents_scale_; |
| |
| // Raster scales are set from ideal scales. They are scales we choose to |
| // raster at. They may not match the ideal scales at times to avoid raster for |
| // performance reasons. |
| float raster_page_scale_; |
| float raster_device_scale_; |
| float raster_source_scale_; |
| float raster_contents_scale_; |
| float low_res_raster_contents_scale_; |
| |
| Layer::LayerMaskType mask_type_; |
| |
| bool was_screen_space_transform_animating_ : 1; |
| bool only_used_low_res_last_append_quads_ : 1; |
| |
| bool nearest_neighbor_ : 1; |
| bool use_transformed_rasterization_ : 1; |
| bool is_directly_composited_image_ : 1; |
| bool can_use_lcd_text_ : 1; |
| |
| // Use this instead of |visible_layer_rect()| for tiling calculations. This |
| // takes external viewport and transform for tile priority into account. |
| gfx::Rect viewport_rect_for_tile_priority_in_content_space_; |
| |
| gfx::Size gpu_raster_max_texture_size_; |
| |
| // List of tilings that were used last time we appended quads. This can be |
| // used as an optimization not to remove tilings if they are still being |
| // drawn. Note that accessing this vector should only be done in the context |
| // of comparing pointers, since objects pointed to are not guaranteed to |
| // exist. |
| std::vector<PictureLayerTiling*> last_append_quads_tilings_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PictureLayerImpl); |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_PICTURE_LAYER_IMPL_H_ |