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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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