| // Copyright 2015 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CC_PAINT_DISCARDABLE_IMAGE_MAP_H_ |
| #define CC_PAINT_DISCARDABLE_IMAGE_MAP_H_ |
| |
| #include <memory> |
| #include <utility> |
| #include <vector> |
| |
| #include "base/containers/flat_map.h" |
| #include "base/sequence_checker.h" |
| #include "cc/base/rtree.h" |
| #include "cc/paint/draw_image.h" |
| #include "cc/paint/image_animation_count.h" |
| #include "cc/paint/image_id.h" |
| #include "cc/paint/paint_export.h" |
| #include "cc/paint/paint_flags.h" |
| #include "cc/paint/paint_image.h" |
| #include "cc/paint/paint_shader.h" |
| #include "cc/paint/paint_worklet_input.h" |
| #include "third_party/abseil-cpp/absl/container/inlined_vector.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "third_party/skia/include/core/SkRefCnt.h" |
| #include "ui/gfx/display_color_spaces.h" |
| #include "ui/gfx/geometry/rect.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| namespace cc { |
| class DiscardableImageStore; |
| class PaintOpBuffer; |
| |
| // This class is used for generating discardable images data (see DrawImage |
| // for the type of data it stores). It allows the client to query a particular |
| // rect and get back a list of DrawImages in that rect. |
| class CC_PAINT_EXPORT DiscardableImageMap { |
| public: |
| using Rects = absl::InlinedVector<gfx::Rect, 1>; |
| |
| struct CC_PAINT_EXPORT AnimatedImageMetadata { |
| AnimatedImageMetadata( |
| PaintImage::Id paint_image_id, |
| PaintImage::CompletionState completion_state, |
| std::vector<FrameMetadata> frames, |
| int repetition_count, |
| PaintImage::AnimationSequenceId reset_animation_sequence_id); |
| AnimatedImageMetadata(const AnimatedImageMetadata& other); |
| ~AnimatedImageMetadata(); |
| |
| PaintImage::Id paint_image_id; |
| PaintImage::CompletionState completion_state; |
| std::vector<FrameMetadata> frames; |
| int repetition_count; |
| PaintImage::AnimationSequenceId reset_animation_sequence_id; |
| }; |
| |
| DiscardableImageMap(); |
| ~DiscardableImageMap(); |
| |
| bool empty() const { return image_id_to_rects_.empty(); } |
| void GetDiscardableImagesInRect(const gfx::Rect& rect, |
| std::vector<const DrawImage*>* images) const; |
| const Rects& GetRectsForImage(PaintImage::Id image_id) const; |
| gfx::ContentColorUsage content_color_usage() const { |
| return content_color_usage_; |
| } |
| bool contains_hbd_images() const { return contains_hbd_images_; } |
| const std::vector<AnimatedImageMetadata>& animated_images_metadata() const { |
| return animated_images_metadata_; |
| } |
| |
| void Reset(); |
| void Generate(const PaintOpBuffer& paint_op_buffer, const gfx::Rect& bounds); |
| |
| // This should only be called once from the compositor thread at commit time. |
| base::flat_map<PaintImage::Id, PaintImage::DecodingMode> |
| TakeDecodingModeMap(); |
| |
| using PaintWorkletInputWithImageId = |
| std::pair<scoped_refptr<PaintWorkletInput>, PaintImage::Id>; |
| const std::vector<PaintWorkletInputWithImageId>& paint_worklet_inputs() |
| const { |
| return paint_worklet_inputs_; |
| } |
| |
| private: |
| friend class ScopedMetadataGenerator; |
| friend class DiscardableImageMapTest; |
| |
| std::unique_ptr<DiscardableImageStore> BeginGeneratingMetadata( |
| const gfx::Size& bounds); |
| void EndGeneratingMetadata( |
| std::vector<std::pair<DrawImage, gfx::Rect>> images, |
| base::flat_map<PaintImage::Id, gfx::Rect> image_id_to_rect); |
| |
| base::flat_map<PaintImage::Id, Rects> image_id_to_rects_; |
| std::vector<AnimatedImageMetadata> animated_images_metadata_; |
| std::vector<std::pair<DrawImage, gfx::Rect>> images_; |
| // This r-tree is built lazily and in practice is only constructed |
| // on the impl thread. The entries are DrawImage pointers in `images_`. |
| mutable std::unique_ptr<RTree<const DrawImage*>> images_rtree_ |
| GUARDED_BY_CONTEXT(images_rtree_sequence_checker_); |
| base::flat_map<PaintImage::Id, PaintImage::DecodingMode> decoding_mode_map_; |
| gfx::ContentColorUsage content_color_usage_ = gfx::ContentColorUsage::kSRGB; |
| bool contains_hbd_images_ = false; |
| |
| SEQUENCE_CHECKER(images_rtree_sequence_checker_); |
| |
| std::vector<PaintWorkletInputWithImageId> paint_worklet_inputs_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_PAINT_DISCARDABLE_IMAGE_MAP_H_ |