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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 GrClipMaskCache_DEFINED | 8 #ifndef GrClipMaskCache_DEFINED |
9 #define GrClipMaskCache_DEFINED | 9 #define GrClipMaskCache_DEFINED |
10 | 10 |
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29 temp->~GrClipStackFrame(); | 29 temp->~GrClipStackFrame(); |
30 fStack.pop_back(); | 30 fStack.pop_back(); |
31 } | 31 } |
32 } | 32 } |
33 | 33 |
34 bool canReuse(int32_t clipGenID, const SkIRect& bounds) { | 34 bool canReuse(int32_t clipGenID, const SkIRect& bounds) { |
35 | 35 |
36 SkASSERT(clipGenID != SkClipStack::kWideOpenGenID); | 36 SkASSERT(clipGenID != SkClipStack::kWideOpenGenID); |
37 SkASSERT(clipGenID != SkClipStack::kEmptyGenID); | 37 SkASSERT(clipGenID != SkClipStack::kEmptyGenID); |
38 | 38 |
| 39 if (SkClipStack::kInvalidGenID == clipGenID) { |
| 40 return false; |
| 41 } |
| 42 |
39 GrClipStackFrame* back = (GrClipStackFrame*) fStack.back(); | 43 GrClipStackFrame* back = (GrClipStackFrame*) fStack.back(); |
40 | 44 |
41 // We could reuse the mask if bounds is a subset of last bounds. We'd ha
ve to communicate | 45 // We could reuse the mask if bounds is a subset of last bounds. We'd ha
ve to communicate |
42 // an offset to the caller. | 46 // an offset to the caller. |
43 if (back->fLastMask.texture() && | 47 if (back->fLastMask.texture() && |
44 back->fLastBound == bounds && | 48 back->fLastBound == bounds && |
45 back->fLastClipGenID == clipGenID) { | 49 back->fLastClipGenID == clipGenID) { |
46 return true; | 50 return true; |
47 } | 51 } |
48 | 52 |
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226 SkIRect fLastBound; | 230 SkIRect fLastBound; |
227 }; | 231 }; |
228 | 232 |
229 GrContext* fContext; | 233 GrContext* fContext; |
230 SkDeque fStack; | 234 SkDeque fStack; |
231 | 235 |
232 typedef SkNoncopyable INHERITED; | 236 typedef SkNoncopyable INHERITED; |
233 }; | 237 }; |
234 | 238 |
235 #endif // GrClipMaskCache_DEFINED | 239 #endif // GrClipMaskCache_DEFINED |
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