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Side by Side Diff: services/gfx/compositor/graph/scene_content.h

Issue 1874593002: Mozart: Rename scene graph classes. (Closed) Base URL: git@github.com:domokit/mojo.git@moz-2
Patch Set: Created 4 years, 8 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef SERVICES_GFX_COMPOSITOR_GRAPH_SCENE_CONTENT_H_ 5 #ifndef SERVICES_GFX_COMPOSITOR_GRAPH_SCENE_CONTENT_H_
6 #define SERVICES_GFX_COMPOSITOR_GRAPH_SCENE_CONTENT_H_ 6 #define SERVICES_GFX_COMPOSITOR_GRAPH_SCENE_CONTENT_H_
7 7
8 #include <iosfwd> 8 #include <iosfwd>
9 #include <unordered_map> 9 #include <unordered_map>
10 10
11 #include "base/macros.h" 11 #include "base/macros.h"
12 #include "base/memory/ref_counted.h" 12 #include "base/memory/ref_counted.h"
13 #include "base/memory/weak_ptr.h" 13 #include "base/memory/weak_ptr.h"
14 #include "mojo/services/gfx/composition/interfaces/hit_tests.mojom.h" 14 #include "mojo/services/gfx/composition/interfaces/hit_tests.mojom.h"
15 #include "mojo/services/gfx/composition/interfaces/scenes.mojom.h" 15 #include "mojo/services/gfx/composition/interfaces/scenes.mojom.h"
16 #include "services/gfx/compositor/graph/node_def.h" 16 #include "services/gfx/compositor/graph/nodes.h"
17 #include "services/gfx/compositor/graph/resource_def.h" 17 #include "services/gfx/compositor/graph/resources.h"
18 #include "services/gfx/compositor/graph/scene_label.h" 18 #include "services/gfx/compositor/graph/scene_label.h"
19 19
20 class SkCanvas; 20 class SkCanvas;
21 struct SkPoint; 21 struct SkPoint;
22 class SkMatrix44; 22 class SkMatrix44;
23 23
24 namespace compositor { 24 namespace compositor {
25 25
26 class SceneContentBuilder; 26 class SceneContentBuilder;
27 class SceneDef; 27 class SceneDef;
(...skipping 34 matching lines...) Expand 10 before | Expand all | Expand 10 after
62 // The |global_to_scene_transform| is the accumulated transform from the 62 // The |global_to_scene_transform| is the accumulated transform from the
63 // global coordinate space to the scene's coordinate space. 63 // global coordinate space to the scene's coordinate space.
64 // Provides hit information for the scene in |out_scene_hit| if any. 64 // Provides hit information for the scene in |out_scene_hit| if any.
65 // Returns true if the search was terminated by an opaque hit. 65 // Returns true if the search was terminated by an opaque hit.
66 bool HitTest(const Snapshot* snapshot, 66 bool HitTest(const Snapshot* snapshot,
67 const SkPoint& scene_point, 67 const SkPoint& scene_point,
68 const SkMatrix44& global_to_scene_transform, 68 const SkMatrix44& global_to_scene_transform,
69 mojo::gfx::composition::SceneHitPtr* out_scene_hit) const; 69 mojo::gfx::composition::SceneHitPtr* out_scene_hit) const;
70 70
71 // Gets the requested resource, never null because it must be present. 71 // Gets the requested resource, never null because it must be present.
72 const ResourceDef* GetResource(uint32_t resource_id, 72 const Resource* GetResource(uint32_t resource_id,
73 ResourceDef::Type resource_type) const; 73 Resource::Type resource_type) const;
74 74
75 // Gets the requested node, never null because it must be present. 75 // Gets the requested node, never null because it must be present.
76 const NodeDef* GetNode(uint32_t node_id) const; 76 const Node* GetNode(uint32_t node_id) const;
77 77
78 // Gets the root node if it exists, otherwise returns nullptr. 78 // Gets the root node if it exists, otherwise returns nullptr.
79 const NodeDef* GetRootNodeIfExists() const; 79 const Node* GetRootNodeIfExists() const;
80 80
81 private: 81 private:
82 friend class base::RefCounted<SceneContent>; 82 friend class base::RefCounted<SceneContent>;
83 friend class SceneContentBuilder; 83 friend class SceneContentBuilder;
84 SceneContent(const SceneLabel& label, 84 SceneContent(const SceneLabel& label,
85 uint32_t version, 85 uint32_t version,
86 size_t max_resources, 86 size_t max_resources,
87 size_t max_nodes); 87 size_t max_nodes);
88 ~SceneContent(); 88 ~SceneContent();
89 89
90 const SceneLabel label_; 90 const SceneLabel label_;
91 const uint32_t version_; 91 const uint32_t version_;
92 std::unordered_map<uint32_t, scoped_refptr<const ResourceDef>> resources_; 92 std::unordered_map<uint32_t, scoped_refptr<const Resource>> resources_;
93 std::unordered_map<uint32_t, scoped_refptr<const NodeDef>> nodes_; 93 std::unordered_map<uint32_t, scoped_refptr<const Node>> nodes_;
94 94
95 DISALLOW_COPY_AND_ASSIGN(SceneContent); 95 DISALLOW_COPY_AND_ASSIGN(SceneContent);
96 }; 96 };
97 97
98 // Builds a table of all of the nodes and resources that make up the 98 // Builds a table of all of the nodes and resources that make up the
99 // content of a particular version of a scene. 99 // content of a particular version of a scene.
100 class SceneContentBuilder { 100 class SceneContentBuilder {
101 public: 101 public:
102 SceneContentBuilder(const SceneDef* scene, 102 SceneContentBuilder(const SceneDef* scene,
103 uint32_t version, 103 uint32_t version,
104 std::ostream& err, 104 std::ostream& err,
105 size_t max_resources, 105 size_t max_resources,
106 size_t max_nodes); 106 size_t max_nodes);
107 ~SceneContentBuilder(); 107 ~SceneContentBuilder();
108 108
109 // Stream for reporting validation error messages. 109 // Stream for reporting validation error messages.
110 std::ostream& err() { return err_; } 110 std::ostream& err() { return err_; }
111 111
112 // Ensures the requested resource is part of the retained scene graph and 112 // Ensures the requested resource is part of the retained scene graph and
113 // returns a reference to it, or nullptr if an error occurred. 113 // returns a reference to it, or nullptr if an error occurred.
114 const ResourceDef* RequireResource(uint32_t resource_id, 114 const Resource* RequireResource(uint32_t resource_id,
115 ResourceDef::Type resource_type, 115 Resource::Type resource_type,
116 uint32_t referrer_node_id); 116 uint32_t referrer_node_id);
117 117
118 // Ensures the requested node is part of the retained scene graph and 118 // Ensures the requested node is part of the retained scene graph and
119 // returns a reference to it, or nullptr if an error occurred. 119 // returns a reference to it, or nullptr if an error occurred.
120 const NodeDef* RequireNode(uint32_t node_id, uint32_t referrer_node_id); 120 const Node* RequireNode(uint32_t node_id, uint32_t referrer_node_id);
121 121
122 // Builds the content graph. 122 // Builds the content graph.
123 // Returns nullptr if an error occurred. 123 // Returns nullptr if an error occurred.
124 scoped_refptr<const SceneContent> Build(); 124 scoped_refptr<const SceneContent> Build();
125 125
126 private: 126 private:
127 bool AddNode(const NodeDef* node); 127 bool AddNode(const Node* node);
128 128
129 scoped_refptr<SceneContent> content_; 129 scoped_refptr<SceneContent> content_;
130 const SceneDef* scene_; 130 const SceneDef* scene_;
131 std::ostream& err_; 131 std::ostream& err_;
132 }; 132 };
133 133
134 } // namespace compositor 134 } // namespace compositor
135 135
136 #endif // SERVICES_GFX_COMPOSITOR_GRAPH_SCENE_CONTENT_H_ 136 #endif // SERVICES_GFX_COMPOSITOR_GRAPH_SCENE_CONTENT_H_
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