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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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