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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 MOJO_SKIA_GANESH_CONTEXT_H_ | 5 #ifndef MOJO_SKIA_GANESH_CONTEXT_H_ |
6 #define MOJO_SKIA_GANESH_CONTEXT_H_ | 6 #define MOJO_SKIA_GANESH_CONTEXT_H_ |
7 | 7 |
8 #include "base/macros.h" | 8 #include "base/macros.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "mojo/gpu/gl_context.h" | 10 #include "mojo/gpu/gl_context.h" |
11 #include "skia/ext/refptr.h" | 11 #include "third_party/skia/include/core/SkRefCnt.h" |
12 #include "third_party/skia/include/gpu/GrContext.h" | 12 #include "third_party/skia/include/gpu/GrContext.h" |
13 | 13 |
14 namespace mojo { | 14 namespace mojo { |
15 namespace skia { | 15 namespace skia { |
16 | 16 |
17 // Binds a Ganesh rendering context to a GL context. | 17 // Binds a Ganesh rendering context to a GL context. |
18 // | 18 // |
19 // Instances of this object is not thread-safe and must be used on the | 19 // Instances of this object is not thread-safe and must be used on the |
20 // same thread as the GL context was created on. | 20 // same thread as the GL context was created on. |
21 class GaneshContext : public base::RefCounted<GaneshContext>, | 21 class GaneshContext : public base::RefCounted<GaneshContext>, |
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41 // Upon exit from the scope, flushes the Ganesh context state and | 41 // Upon exit from the scope, flushes the Ganesh context state and |
42 // reactivates the prior GL context. | 42 // reactivates the prior GL context. |
43 ~Scope(); | 43 ~Scope(); |
44 | 44 |
45 // Gets the underlying Ganesh context, never null. | 45 // Gets the underlying Ganesh context, never null. |
46 const scoped_refptr<GaneshContext>& ganesh_context() const { | 46 const scoped_refptr<GaneshContext>& ganesh_context() const { |
47 return ganesh_context_; | 47 return ganesh_context_; |
48 } | 48 } |
49 | 49 |
50 // Gets the underlying Ganesh rendering context, never null. | 50 // Gets the underlying Ganesh rendering context, never null. |
51 const ::skia::RefPtr<GrContext>& gr_context() const { | 51 const sk_sp<GrContext>& gr_context() const { |
52 return ganesh_context_->gr_context_; | 52 return ganesh_context_->gr_context_; |
53 } | 53 } |
54 | 54 |
55 // Gets the underlying GL context scope. | 55 // Gets the underlying GL context scope. |
56 // | 56 // |
57 // Be careful when manipulating the GL context from within a Ganesh | 57 // Be careful when manipulating the GL context from within a Ganesh |
58 // scope since the Ganesh renderer caches GL state. Queries are safe | 58 // scope since the Ganesh renderer caches GL state. Queries are safe |
59 // but operations which modify the state of the GL context, such as binding | 59 // but operations which modify the state of the GL context, such as binding |
60 // textures, should be followed by a call to |GrContext::resetContext| | 60 // textures, should be followed by a call to |GrContext::resetContext| |
61 // before performing other Ganesh related actions within the scope. | 61 // before performing other Ganesh related actions within the scope. |
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77 // Returns true if the GL context was lost. | 77 // Returns true if the GL context was lost. |
78 bool is_lost() const { return gl_context_->is_lost(); } | 78 bool is_lost() const { return gl_context_->is_lost(); } |
79 | 79 |
80 private: | 80 private: |
81 friend class base::RefCounted<GaneshContext>; | 81 friend class base::RefCounted<GaneshContext>; |
82 | 82 |
83 ~GaneshContext() override; | 83 ~GaneshContext() override; |
84 void OnContextLost() override; | 84 void OnContextLost() override; |
85 | 85 |
86 const scoped_refptr<GLContext> gl_context_; | 86 const scoped_refptr<GLContext> gl_context_; |
87 ::skia::RefPtr<GrContext> gr_context_; | 87 sk_sp<GrContext> gr_context_; |
88 bool scope_entered_ = false; | 88 bool scope_entered_ = false; |
89 | 89 |
90 DISALLOW_COPY_AND_ASSIGN(GaneshContext); | 90 DISALLOW_COPY_AND_ASSIGN(GaneshContext); |
91 }; | 91 }; |
92 | 92 |
93 } // namespace skia | 93 } // namespace skia |
94 } // namespace mojo | 94 } // namespace mojo |
95 | 95 |
96 #endif // MOJO_SKIA_GANESH_CONTEXT_H_ | 96 #endif // MOJO_SKIA_GANESH_CONTEXT_H_ |
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