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1 /* | |
2 * Copyright 2012 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #ifndef GrFBBindableObj_DEFINED | |
9 #define GrFBBindableObj_DEFINED | |
10 | |
11 #include "SkTDArray.h" | |
12 #include "GrFakeRefObj.h" | |
13 | |
14 //////////////////////////////////////////////////////////////////////////////// | |
15 // A common base class for render buffers and textures | |
16 class GrFBBindableObj : public GrFakeRefObj { | |
17 | |
18 public: | |
19 GrFBBindableObj() | |
20 : GrFakeRefObj() { | |
21 } | |
22 | |
23 virtual ~GrFBBindableObj() { | |
24 GrAlwaysAssert(0 == fColorReferees.count()); | |
25 GrAlwaysAssert(0 == fDepthReferees.count()); | |
26 GrAlwaysAssert(0 == fStencilReferees.count()); | |
27 } | |
28 | |
29 void setColorBound(GrFakeRefObj *referee) { | |
30 fColorReferees.append(1, &referee); | |
31 } | |
32 void resetColorBound(GrFakeRefObj *referee) { | |
33 int index = fColorReferees.find(referee); | |
34 GrAlwaysAssert(0 <= index); | |
35 fColorReferees.removeShuffle(index); | |
36 } | |
37 bool getColorBound(GrFakeRefObj *referee) const { | |
38 int index = fColorReferees.find(referee); | |
39 return 0 <= index; | |
40 } | |
41 bool getColorBound() const { | |
42 return 0 != fColorReferees.count(); | |
43 } | |
44 | |
45 void setDepthBound(GrFakeRefObj *referee) { | |
46 fDepthReferees.append(1, &referee); | |
47 } | |
48 void resetDepthBound(GrFakeRefObj *referee) { | |
49 int index = fDepthReferees.find(referee); | |
50 GrAlwaysAssert(0 <= index); | |
51 fDepthReferees.removeShuffle(index); | |
52 } | |
53 bool getDepthBound(GrFakeRefObj *referee) const { | |
54 int index = fDepthReferees.find(referee); | |
55 return 0 <= index; | |
56 } | |
57 bool getDepthBound() const { | |
58 return 0 != fDepthReferees.count(); | |
59 } | |
60 | |
61 void setStencilBound(GrFakeRefObj *referee) { | |
62 fStencilReferees.append(1, &referee); | |
63 } | |
64 void resetStencilBound(GrFakeRefObj *referee) { | |
65 int index = fStencilReferees.find(referee); | |
66 GrAlwaysAssert(0 <= index); | |
67 fStencilReferees.removeShuffle(index); | |
68 } | |
69 bool getStencilBound(GrFakeRefObj *referee) const { | |
70 int index = fStencilReferees.find(referee); | |
71 return 0 <= index; | |
72 } | |
73 bool getStencilBound() const { | |
74 return 0 != fStencilReferees.count(); | |
75 } | |
76 | |
77 | |
78 protected: | |
79 private: | |
80 SkTDArray<GrFakeRefObj *> fColorReferees; // frame buffers that use this a
s a color buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D") | |
81 SkTDArray<GrFakeRefObj *> fDepthReferees; // frame buffers that use this a
s a depth buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D") | |
82 SkTDArray<GrFakeRefObj *> fStencilReferees; // frame buffers that use this a
s a stencil buffer (via "glFramebufferRenderbuffer" or "glFramebufferTexture2D") | |
83 | |
84 typedef GrFakeRefObj INHERITED; | |
85 }; | |
86 | |
87 #endif // GrFBBindableObj_DEFINED | |
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