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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 AcceleratedStaticBitmapImage_h | 5 #ifndef AcceleratedStaticBitmapImage_h |
6 #define AcceleratedStaticBitmapImage_h | 6 #define AcceleratedStaticBitmapImage_h |
7 | 7 |
8 #include "base/threading/thread_checker.h" | 8 #include "base/threading/thread_checker.h" |
9 #include "platform/geometry/IntSize.h" | 9 #include "platform/geometry/IntSize.h" |
10 #include "platform/graphics/StaticBitmapImage.h" | 10 #include "platform/graphics/StaticBitmapImage.h" |
11 #include "third_party/skia/include/core/SkRefCnt.h" | 11 #include "third_party/skia/include/core/SkRefCnt.h" |
12 | 12 |
13 #include <memory> | 13 #include <memory> |
14 | 14 |
15 class GrContext; | 15 class GrContext; |
16 | 16 |
17 namespace cc { | 17 namespace cc { |
18 class SingleReleaseCallback; | 18 class SingleReleaseCallback; |
19 } | 19 } |
20 | 20 |
21 namespace blink { | 21 namespace blink { |
22 class WebThread; | 22 class WebThread; |
23 | 23 |
24 class PLATFORM_EXPORT AcceleratedStaticBitmapImage final | 24 class PLATFORM_EXPORT AcceleratedStaticBitmapImage final |
25 : public StaticBitmapImage { | 25 : public StaticBitmapImage { |
26 public: | 26 public: |
27 // SkImage with a texture backing that is assumed to be from the shared contex t of the current thread. | 27 // SkImage with a texture backing that is assumed to be from the shared |
28 // context of the current thread. | |
28 static PassRefPtr<AcceleratedStaticBitmapImage> createFromSharedContextImage( | 29 static PassRefPtr<AcceleratedStaticBitmapImage> createFromSharedContextImage( |
29 sk_sp<SkImage>); | 30 sk_sp<SkImage>); |
30 // Can specify the GrContext that created the texture backing the for the give n SkImage. Ideally all callers would use this option. | 31 // Can specify the GrContext that created the texture backing the for the |
31 // The |mailbox| is a name for the texture backing the SkImage, allowing other contexts to use the same backing. | 32 // given SkImage. Ideally all callers would use this option. The |mailbox| is |
33 // a name for the texture backing the SkImage, allowing other contexts to use | |
34 // the same backing. | |
32 static PassRefPtr<AcceleratedStaticBitmapImage> createFromWebGLContextImage( | 35 static PassRefPtr<AcceleratedStaticBitmapImage> createFromWebGLContextImage( |
33 sk_sp<SkImage>, | 36 sk_sp<SkImage>, |
34 const gpu::Mailbox&, | 37 const gpu::Mailbox&, |
35 const gpu::SyncToken&); | 38 const gpu::SyncToken&); |
36 | 39 |
37 ~AcceleratedStaticBitmapImage() override; | 40 ~AcceleratedStaticBitmapImage() override; |
38 | 41 |
39 // StaticBitmapImage overrides. | 42 // StaticBitmapImage overrides. |
40 sk_sp<SkImage> imageForCurrentFrame() override; | 43 sk_sp<SkImage> imageForCurrentFrame() override; |
41 void copyToTexture(WebGraphicsContext3DProvider*, | 44 void copyToTexture(WebGraphicsContext3DProvider*, |
(...skipping 25 matching lines...) Expand all Loading... | |
67 | 70 |
68 void createImageFromMailboxIfNeeded(); | 71 void createImageFromMailboxIfNeeded(); |
69 void checkThread(); | 72 void checkThread(); |
70 void waitSyncTokenIfNeeded(); | 73 void waitSyncTokenIfNeeded(); |
71 bool isValid(); | 74 bool isValid(); |
72 void releaseImageThreadSafe(); | 75 void releaseImageThreadSafe(); |
73 bool imageBelongsToSharedContext(); | 76 bool imageBelongsToSharedContext(); |
74 | 77 |
75 // Id of the shared context where m_image was created | 78 // Id of the shared context where m_image was created |
76 unsigned m_sharedContextId; | 79 unsigned m_sharedContextId; |
77 // True when the below mailbox and sync token are valid for getting at the tex ture backing the object's SkImage. | 80 // True when the below mailbox and sync token are valid for getting at the |
81 // texture backing the object's SkImage. | |
78 bool m_hasMailbox = false; | 82 bool m_hasMailbox = false; |
79 // A mailbox referring to the texture id backing the SkImage. The mailbox is v alid as long as the SkImage is held alive. | 83 // A mailbox referring to the texture id backing the SkImage. The mailbox is |
84 // valid as long as the SkImage is held alive. | |
80 gpu::Mailbox m_mailbox; | 85 gpu::Mailbox m_mailbox; |
81 // This token must be waited for before using the mailbox. | 86 // This token must be waited for before using the mailbox. |
82 gpu::SyncToken m_syncToken; | 87 gpu::SyncToken m_syncToken; |
83 // Thread that m_image belongs to. Set to null when m_image belong to the same thread | 88 // Thread that m_image belongs to. Set to null when |m_image| belongs to the |
Stephen White
2016/10/05 14:45:37
Nit: the first instance of m_image on this line do
Peter Kasting
2016/10/05 18:46:01
Yeah, there's no style rule, and existing code is
| |
84 // as this AcceleratedStaticBitmapImage. Should only be non-null after a tran sfer. | 89 // same thread as this AcceleratedStaticBitmapImage. Should only be non-null |
90 // after a transfer. | |
85 WebThread* m_imageThread = nullptr; | 91 WebThread* m_imageThread = nullptr; |
86 | 92 |
87 base::ThreadChecker m_threadChecker; | 93 base::ThreadChecker m_threadChecker; |
88 bool m_detachThreadAtNextCheck = false; | 94 bool m_detachThreadAtNextCheck = false; |
89 }; | 95 }; |
90 | 96 |
91 } // namespace blink | 97 } // namespace blink |
92 | 98 |
93 #endif | 99 #endif |
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