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- // Copyright 2015 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_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/containers/stack_container.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/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 = base::StackVector<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_;
- base::flat_map<PaintImage::Id, PaintImage::DecodingMode> decoding_mode_map_;
- gfx::ContentColorUsage content_color_usage_ = gfx::ContentColorUsage::kSRGB;
- bool contains_hbd_images_ = false;
- RTree<DrawImage> images_rtree_;
- std::vector<PaintWorkletInputWithImageId> paint_worklet_inputs_;
- };
- } // namespace cc
- #endif // CC_PAINT_DISCARDABLE_IMAGE_MAP_H_
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