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Side by Side Diff: cc/prioritized_texture.h

Issue 11189043: cc: Rename cc classes and members to match filenames (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 8 years, 2 months ago
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1 // Copyright 2012 The Chromium Authors. All rights reserved. 1 // Copyright 2012 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 CCPrioritizedTexture_h 5 #ifndef CCPrioritizedTexture_h
6 #define CCPrioritizedTexture_h 6 #define CCPrioritizedTexture_h
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "base/memory/scoped_ptr.h" 9 #include "base/memory/scoped_ptr.h"
10 #include "CCPriorityCalculator.h" 10 #include "CCPriorityCalculator.h"
11 #include "CCResourceProvider.h" 11 #include "CCResourceProvider.h"
12 #include "CCTexture.h" 12 #include "CCTexture.h"
13 #include "GraphicsContext3D.h" 13 #include "GraphicsContext3D.h"
14 #include "IntRect.h" 14 #include "IntRect.h"
15 #include "IntSize.h" 15 #include "IntSize.h"
16 16
17 namespace cc { 17 namespace cc {
18 18
19 class CCPrioritizedTextureManager; 19 class PrioritizedTextureManager;
20 20
21 class CCPrioritizedTexture { 21 class PrioritizedTexture {
22 public: 22 public:
23 static scoped_ptr<CCPrioritizedTexture> create(CCPrioritizedTextureManager* manager, IntSize size, GC3Denum format) 23 static scoped_ptr<PrioritizedTexture> create(PrioritizedTextureManager* mana ger, IntSize size, GC3Denum format)
24 { 24 {
25 return make_scoped_ptr(new CCPrioritizedTexture(manager, size, format)); 25 return make_scoped_ptr(new PrioritizedTexture(manager, size, format));
26 } 26 }
27 static scoped_ptr<CCPrioritizedTexture> create(CCPrioritizedTextureManager* manager) 27 static scoped_ptr<PrioritizedTexture> create(PrioritizedTextureManager* mana ger)
28 { 28 {
29 return make_scoped_ptr(new CCPrioritizedTexture(manager, IntSize(), 0)); 29 return make_scoped_ptr(new PrioritizedTexture(manager, IntSize(), 0));
30 } 30 }
31 ~CCPrioritizedTexture(); 31 ~PrioritizedTexture();
32 32
33 // Texture properties. Changing these causes the backing texture to be lost. 33 // Texture properties. Changing these causes the backing texture to be lost.
34 // Setting these to the same value is a no-op. 34 // Setting these to the same value is a no-op.
35 void setTextureManager(CCPrioritizedTextureManager*); 35 void setTextureManager(PrioritizedTextureManager*);
36 CCPrioritizedTextureManager* textureManager() { return m_manager; } 36 PrioritizedTextureManager* textureManager() { return m_manager; }
37 void setDimensions(IntSize, GC3Denum format); 37 void setDimensions(IntSize, GC3Denum format);
38 GC3Denum format() const { return m_format; } 38 GC3Denum format() const { return m_format; }
39 IntSize size() const { return m_size; } 39 IntSize size() const { return m_size; }
40 size_t bytes() const { return m_bytes; } 40 size_t bytes() const { return m_bytes; }
41 41
42 // Set priority for the requested texture. 42 // Set priority for the requested texture.
43 void setRequestPriority(int priority) { m_priority = priority; } 43 void setRequestPriority(int priority) { m_priority = priority; }
44 int requestPriority() const { return m_priority; } 44 int requestPriority() const { return m_priority; }
45 45
46 // After CCPrioritizedTexture::prioritizeTextures() is called, this returns 46 // After PrioritizedTexture::prioritizeTextures() is called, this returns
47 // if the the request succeeded and this texture can be acquired for use. 47 // if the the request succeeded and this texture can be acquired for use.
48 bool canAcquireBackingTexture() const { return m_isAbovePriorityCutoff; } 48 bool canAcquireBackingTexture() const { return m_isAbovePriorityCutoff; }
49 49
50 // This returns whether we still have a backing texture. This can continue 50 // This returns whether we still have a backing texture. This can continue
51 // to be true even after canAcquireBackingTexture() becomes false. In this 51 // to be true even after canAcquireBackingTexture() becomes false. In this
52 // case the texture can be used but shouldn't be updated since it will get 52 // case the texture can be used but shouldn't be updated since it will get
53 // taken away "soon". 53 // taken away "soon".
54 bool haveBackingTexture() const { return !!backing(); } 54 bool haveBackingTexture() const { return !!backing(); }
55 55
56 bool backingResourceWasEvicted() const; 56 bool backingResourceWasEvicted() const;
57 57
58 // If canAcquireBackingTexture() is true acquireBackingTexture() will acquir e 58 // If canAcquireBackingTexture() is true acquireBackingTexture() will acquir e
59 // a backing texture for use. Call this whenever the texture is actually nee ded. 59 // a backing texture for use. Call this whenever the texture is actually nee ded.
60 void acquireBackingTexture(CCResourceProvider*); 60 void acquireBackingTexture(ResourceProvider*);
61 61
62 // FIXME: Request late is really a hack for when we are totally out of memor y 62 // FIXME: Request late is really a hack for when we are totally out of memor y
63 // (all textures are visible) but we can still squeeze into the limit 63 // (all textures are visible) but we can still squeeze into the limit
64 // by not painting occluded textures. In this case the manager 64 // by not painting occluded textures. In this case the manager
65 // refuses all visible textures and requestLate() will enable 65 // refuses all visible textures and requestLate() will enable
66 // canAcquireBackingTexture() on a call-order basis. We might want to 66 // canAcquireBackingTexture() on a call-order basis. We might want to
67 // just remove this in the future (carefully) and just make sure we d on't 67 // just remove this in the future (carefully) and just make sure we d on't
68 // regress OOMs situations. 68 // regress OOMs situations.
69 bool requestLate(); 69 bool requestLate();
70 70
71 // Uploads pixels into the backing resource. This functions will aquire the backing if needed. 71 // Uploads pixels into the backing resource. This functions will aquire the backing if needed.
72 void upload(CCResourceProvider*, const uint8_t* image, const IntRect& imageR ect, const IntRect& sourceRect, const IntSize& destOffset); 72 void upload(ResourceProvider*, const uint8_t* image, const IntRect& imageRec t, const IntRect& sourceRect, const IntSize& destOffset);
73 73
74 CCResourceProvider::ResourceId resourceId() const; 74 ResourceProvider::ResourceId resourceId() const;
75 75
76 // Self-managed textures are accounted for when prioritizing other textures, 76 // Self-managed textures are accounted for when prioritizing other textures,
77 // but they are not allocated/recycled/deleted, so this needs to be done 77 // but they are not allocated/recycled/deleted, so this needs to be done
78 // externally. canAcquireBackingTexture() indicates if the texture would hav e 78 // externally. canAcquireBackingTexture() indicates if the texture would hav e
79 // been allowed given its priority. 79 // been allowed given its priority.
80 void setIsSelfManaged(bool isSelfManaged) { m_isSelfManaged = isSelfManaged; } 80 void setIsSelfManaged(bool isSelfManaged) { m_isSelfManaged = isSelfManaged; }
81 bool isSelfManaged() { return m_isSelfManaged; } 81 bool isSelfManaged() { return m_isSelfManaged; }
82 void setToSelfManagedMemoryPlaceholder(size_t bytes); 82 void setToSelfManagedMemoryPlaceholder(size_t bytes);
83 83
84 private: 84 private:
85 friend class CCPrioritizedTextureManager; 85 friend class PrioritizedTextureManager;
86 friend class CCPrioritizedTextureTest; 86 friend class PrioritizedTextureTest;
87 87
88 class Backing : public CCTexture { 88 class Backing : public Texture {
89 public: 89 public:
90 Backing(unsigned id, CCResourceProvider*, IntSize, GC3Denum format); 90 Backing(unsigned id, ResourceProvider*, IntSize, GC3Denum format);
91 ~Backing(); 91 ~Backing();
92 void updatePriority(); 92 void updatePriority();
93 void updateInDrawingImplTree(); 93 void updateInDrawingImplTree();
94 94
95 CCPrioritizedTexture* owner() { return m_owner; } 95 PrioritizedTexture* owner() { return m_owner; }
96 bool canBeRecycled() const; 96 bool canBeRecycled() const;
97 int requestPriorityAtLastPriorityUpdate() const { return m_priorityAtLas tPriorityUpdate; } 97 int requestPriorityAtLastPriorityUpdate() const { return m_priorityAtLas tPriorityUpdate; }
98 bool wasAbovePriorityCutoffAtLastPriorityUpdate() const { return m_wasAb ovePriorityCutoffAtLastPriorityUpdate; } 98 bool wasAbovePriorityCutoffAtLastPriorityUpdate() const { return m_wasAb ovePriorityCutoffAtLastPriorityUpdate; }
99 bool inDrawingImplTree() const { return m_inDrawingImplTree; } 99 bool inDrawingImplTree() const { return m_inDrawingImplTree; }
100 100
101 void deleteResource(CCResourceProvider*); 101 void deleteResource(ResourceProvider*);
102 bool resourceHasBeenDeleted() const; 102 bool resourceHasBeenDeleted() const;
103 103
104 private: 104 private:
105 friend class CCPrioritizedTexture; 105 friend class PrioritizedTexture;
106 CCPrioritizedTexture* m_owner; 106 PrioritizedTexture* m_owner;
107 int m_priorityAtLastPriorityUpdate; 107 int m_priorityAtLastPriorityUpdate;
108 bool m_wasAbovePriorityCutoffAtLastPriorityUpdate; 108 bool m_wasAbovePriorityCutoffAtLastPriorityUpdate;
109 109
110 // Set if this is currently-drawing impl tree. 110 // Set if this is currently-drawing impl tree.
111 bool m_inDrawingImplTree; 111 bool m_inDrawingImplTree;
112 112
113 bool m_resourceHasBeenDeleted; 113 bool m_resourceHasBeenDeleted;
114 #ifndef NDEBUG 114 #ifndef NDEBUG
115 CCResourceProvider* m_resourceProvider; 115 ResourceProvider* m_resourceProvider;
116 #endif 116 #endif
117 117
118 DISALLOW_COPY_AND_ASSIGN(Backing); 118 DISALLOW_COPY_AND_ASSIGN(Backing);
119 }; 119 };
120 120
121 CCPrioritizedTexture(CCPrioritizedTextureManager*, IntSize, GC3Denum format) ; 121 PrioritizedTexture(PrioritizedTextureManager*, IntSize, GC3Denum format);
122 122
123 bool isAbovePriorityCutoff() { return m_isAbovePriorityCutoff; } 123 bool isAbovePriorityCutoff() { return m_isAbovePriorityCutoff; }
124 void setAbovePriorityCutoff(bool isAbovePriorityCutoff) { m_isAbovePriorityC utoff = isAbovePriorityCutoff; } 124 void setAbovePriorityCutoff(bool isAbovePriorityCutoff) { m_isAbovePriorityC utoff = isAbovePriorityCutoff; }
125 void setManagerInternal(CCPrioritizedTextureManager* manager) { m_manager = manager; } 125 void setManagerInternal(PrioritizedTextureManager* manager) { m_manager = ma nager; }
126 126
127 Backing* backing() const { return m_backing; } 127 Backing* backing() const { return m_backing; }
128 void link(Backing*); 128 void link(Backing*);
129 void unlink(); 129 void unlink();
130 130
131 IntSize m_size; 131 IntSize m_size;
132 GC3Denum m_format; 132 GC3Denum m_format;
133 size_t m_bytes; 133 size_t m_bytes;
134 134
135 int m_priority; 135 int m_priority;
136 bool m_isAbovePriorityCutoff; 136 bool m_isAbovePriorityCutoff;
137 bool m_isSelfManaged; 137 bool m_isSelfManaged;
138 138
139 Backing* m_backing; 139 Backing* m_backing;
140 CCPrioritizedTextureManager* m_manager; 140 PrioritizedTextureManager* m_manager;
141 141
142 DISALLOW_COPY_AND_ASSIGN(CCPrioritizedTexture); 142 DISALLOW_COPY_AND_ASSIGN(PrioritizedTexture);
143 }; 143 };
144 144
145 } // namespace cc 145 } // namespace cc
146 146
147 #endif 147 #endif
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