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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrReducedClip_DEFINED | 8 #ifndef GrReducedClip_DEFINED |
9 #define GrReducedClip_DEFINED | 9 #define GrReducedClip_DEFINED |
10 | 10 |
11 #include "SkClipStack.h" | 11 #include "SkClipStack.h" |
12 #include "SkTLList.h" | 12 #include "SkTLList.h" |
13 | 13 |
| 14 class GrContext; |
| 15 class GrDrawContext; |
| 16 |
14 /** | 17 /** |
15 * This class takes a clip stack and produces a reduced set of elements that are
equivalent to | 18 * This class takes a clip stack and produces a reduced set of elements that are
equivalent to |
16 * applying that full stack within a specified query rectangle. | 19 * applying that full stack within a specified query rectangle. |
17 */ | 20 */ |
18 class SK_API GrReducedClip { | 21 class SK_API GrReducedClip { |
19 public: | 22 public: |
20 GrReducedClip(const SkClipStack& stack, const SkRect& queryBounds); | 23 GrReducedClip(const SkClipStack& stack, const SkRect& queryBounds); |
21 | 24 |
22 /** | 25 /** |
23 * If hasIBounds() is true, this is the bounding box within which the reduce
d clip is valid, and | 26 * If hasIBounds() is true, this is the bounding box within which the reduce
d clip is valid, and |
(...skipping 29 matching lines...) Expand all Loading... |
53 */ | 56 */ |
54 bool requiresAA() const { return fRequiresAA; } | 57 bool requiresAA() const { return fRequiresAA; } |
55 | 58 |
56 enum class InitialState : bool { | 59 enum class InitialState : bool { |
57 kAllIn, | 60 kAllIn, |
58 kAllOut | 61 kAllOut |
59 }; | 62 }; |
60 | 63 |
61 InitialState initialState() const { return fInitialState; } | 64 InitialState initialState() const { return fInitialState; } |
62 | 65 |
| 66 bool drawAlphaClipMask(GrDrawContext*) const; |
| 67 bool drawStencilClipMask(GrContext*, GrDrawContext*, const SkIPoint& clipOri
gin) const; |
| 68 |
63 private: | 69 private: |
64 void walkStack(const SkClipStack&, const SkRect& queryBounds); | 70 void walkStack(const SkClipStack&, const SkRect& queryBounds); |
65 bool intersectIBounds(const SkIRect&); | 71 bool intersectIBounds(const SkIRect&); |
66 | 72 |
67 SkIRect fIBounds; | 73 SkIRect fIBounds; |
68 bool fHasIBounds; | 74 bool fHasIBounds; |
69 ElementList fElements; | 75 ElementList fElements; |
70 int32_t fElementsGenID; | 76 int32_t fElementsGenID; |
71 bool fRequiresAA; | 77 bool fRequiresAA; |
72 InitialState fInitialState; | 78 InitialState fInitialState; |
73 }; | 79 }; |
74 | 80 |
75 #endif | 81 #endif |
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