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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2006 The Android Open Source Project | 3 * Copyright 2006 The Android Open Source Project |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 | 9 |
10 #include "SkGlyphCache.h" | 10 #include "SkGlyphCache.h" |
11 #include "SkGlyphCache_Globals.h" | 11 #include "SkGlyphCache_Globals.h" |
12 #include "SkDistanceFieldGen.h" | 12 #include "SkDistanceFieldGen.h" |
13 #include "SkGraphics.h" | 13 #include "SkGraphics.h" |
14 #include "SkLazyPtr.h" | 14 #include "SkOnce.h" |
15 #include "SkPaint.h" | 15 #include "SkPaint.h" |
16 #include "SkPath.h" | 16 #include "SkPath.h" |
17 #include "SkTemplates.h" | 17 #include "SkTemplates.h" |
18 #include "SkTLS.h" | 18 #include "SkTLS.h" |
19 #include "SkTypeface.h" | 19 #include "SkTypeface.h" |
20 | 20 |
21 //#define SPEW_PURGE_STATUS | 21 //#define SPEW_PURGE_STATUS |
22 //#define RECORD_HASH_EFFICIENCY | 22 //#define RECORD_HASH_EFFICIENCY |
23 | 23 |
24 namespace { | 24 static void create_globals(SkGlyphCache_Globals** globals) { |
25 | 25 *globals = SkNEW_ARGS(SkGlyphCache_Globals, (SkGlyphCache_Globals::kYes_UseM
utex)); |
26 SkGlyphCache_Globals* create_globals() { | |
27 return SkNEW_ARGS(SkGlyphCache_Globals, (SkGlyphCache_Globals::kYes_UseMutex
)); | |
28 } | 26 } |
29 | 27 |
30 } // namespace | |
31 | |
32 // Returns the shared globals | 28 // Returns the shared globals |
33 static SkGlyphCache_Globals& getSharedGlobals() { | 29 static SkGlyphCache_Globals& getSharedGlobals() { |
34 SK_DECLARE_STATIC_LAZY_PTR(SkGlyphCache_Globals, globals, create_globals); | 30 // we leak this, so we don't incur any shutdown cost of the destructor |
35 return *globals.get(); | 31 static SkGlyphCache_Globals* gGlobals = NULL; |
| 32 SK_DECLARE_STATIC_ONCE(once); |
| 33 SkOnce(&once, create_globals, &gGlobals); |
| 34 SkASSERT(NULL != gGlobals); |
| 35 return *gGlobals; |
36 } | 36 } |
37 | 37 |
38 // Returns the TLS globals (if set), or the shared globals | 38 // Returns the TLS globals (if set), or the shared globals |
39 static SkGlyphCache_Globals& getGlobals() { | 39 static SkGlyphCache_Globals& getGlobals() { |
40 SkGlyphCache_Globals* tls = SkGlyphCache_Globals::FindTLS(); | 40 SkGlyphCache_Globals* tls = SkGlyphCache_Globals::FindTLS(); |
41 return tls ? *tls : getSharedGlobals(); | 41 return tls ? *tls : getSharedGlobals(); |
42 } | 42 } |
43 | 43 |
44 /////////////////////////////////////////////////////////////////////////////// | 44 /////////////////////////////////////////////////////////////////////////////// |
45 | 45 |
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757 return tls ? tls->getCacheSizeLimit() : 0; | 757 return tls ? tls->getCacheSizeLimit() : 0; |
758 } | 758 } |
759 | 759 |
760 void SkGraphics::SetTLSFontCacheLimit(size_t bytes) { | 760 void SkGraphics::SetTLSFontCacheLimit(size_t bytes) { |
761 if (0 == bytes) { | 761 if (0 == bytes) { |
762 SkGlyphCache_Globals::DeleteTLS(); | 762 SkGlyphCache_Globals::DeleteTLS(); |
763 } else { | 763 } else { |
764 SkGlyphCache_Globals::GetTLS().setCacheSizeLimit(bytes); | 764 SkGlyphCache_Globals::GetTLS().setCacheSizeLimit(bytes); |
765 } | 765 } |
766 } | 766 } |
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