discardable_image_map.h 3.8 KB

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  1. // Copyright 2015 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #ifndef CC_PAINT_DISCARDABLE_IMAGE_MAP_H_
  5. #define CC_PAINT_DISCARDABLE_IMAGE_MAP_H_
  6. #include <memory>
  7. #include <utility>
  8. #include <vector>
  9. #include "base/containers/flat_map.h"
  10. #include "base/containers/stack_container.h"
  11. #include "cc/base/rtree.h"
  12. #include "cc/paint/draw_image.h"
  13. #include "cc/paint/image_animation_count.h"
  14. #include "cc/paint/image_id.h"
  15. #include "cc/paint/paint_export.h"
  16. #include "cc/paint/paint_flags.h"
  17. #include "cc/paint/paint_image.h"
  18. #include "cc/paint/paint_shader.h"
  19. #include "cc/paint/paint_worklet_input.h"
  20. #include "third_party/skia/include/core/SkCanvas.h"
  21. #include "third_party/skia/include/core/SkRefCnt.h"
  22. #include "ui/gfx/display_color_spaces.h"
  23. #include "ui/gfx/geometry/rect.h"
  24. #include "ui/gfx/geometry/size.h"
  25. namespace cc {
  26. class DiscardableImageStore;
  27. class PaintOpBuffer;
  28. // This class is used for generating discardable images data (see DrawImage
  29. // for the type of data it stores). It allows the client to query a particular
  30. // rect and get back a list of DrawImages in that rect.
  31. class CC_PAINT_EXPORT DiscardableImageMap {
  32. public:
  33. using Rects = base::StackVector<gfx::Rect, 1>;
  34. struct CC_PAINT_EXPORT AnimatedImageMetadata {
  35. AnimatedImageMetadata(
  36. PaintImage::Id paint_image_id,
  37. PaintImage::CompletionState completion_state,
  38. std::vector<FrameMetadata> frames,
  39. int repetition_count,
  40. PaintImage::AnimationSequenceId reset_animation_sequence_id);
  41. AnimatedImageMetadata(const AnimatedImageMetadata& other);
  42. ~AnimatedImageMetadata();
  43. PaintImage::Id paint_image_id;
  44. PaintImage::CompletionState completion_state;
  45. std::vector<FrameMetadata> frames;
  46. int repetition_count;
  47. PaintImage::AnimationSequenceId reset_animation_sequence_id;
  48. };
  49. DiscardableImageMap();
  50. ~DiscardableImageMap();
  51. bool empty() const { return image_id_to_rects_.empty(); }
  52. void GetDiscardableImagesInRect(const gfx::Rect& rect,
  53. std::vector<const DrawImage*>* images) const;
  54. const Rects& GetRectsForImage(PaintImage::Id image_id) const;
  55. gfx::ContentColorUsage content_color_usage() const {
  56. return content_color_usage_;
  57. }
  58. bool contains_hbd_images() const { return contains_hbd_images_; }
  59. const std::vector<AnimatedImageMetadata>& animated_images_metadata() const {
  60. return animated_images_metadata_;
  61. }
  62. void Reset();
  63. void Generate(const PaintOpBuffer* paint_op_buffer, const gfx::Rect& bounds);
  64. // This should only be called once from the compositor thread at commit time.
  65. base::flat_map<PaintImage::Id, PaintImage::DecodingMode>
  66. TakeDecodingModeMap();
  67. using PaintWorkletInputWithImageId =
  68. std::pair<scoped_refptr<PaintWorkletInput>, PaintImage::Id>;
  69. const std::vector<PaintWorkletInputWithImageId>& paint_worklet_inputs()
  70. const {
  71. return paint_worklet_inputs_;
  72. }
  73. private:
  74. friend class ScopedMetadataGenerator;
  75. friend class DiscardableImageMapTest;
  76. std::unique_ptr<DiscardableImageStore> BeginGeneratingMetadata(
  77. const gfx::Size& bounds);
  78. void EndGeneratingMetadata(
  79. std::vector<std::pair<DrawImage, gfx::Rect>> images,
  80. base::flat_map<PaintImage::Id, gfx::Rect> image_id_to_rect);
  81. base::flat_map<PaintImage::Id, Rects> image_id_to_rects_;
  82. std::vector<AnimatedImageMetadata> animated_images_metadata_;
  83. base::flat_map<PaintImage::Id, PaintImage::DecodingMode> decoding_mode_map_;
  84. gfx::ContentColorUsage content_color_usage_ = gfx::ContentColorUsage::kSRGB;
  85. bool contains_hbd_images_ = false;
  86. RTree<DrawImage> images_rtree_;
  87. std::vector<PaintWorkletInputWithImageId> paint_worklet_inputs_;
  88. };
  89. } // namespace cc
  90. #endif // CC_PAINT_DISCARDABLE_IMAGE_MAP_H_