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Side by Side Diff: src/gpu/GrFontCache.h

Issue 1020593003: Ensure that we use different glyph entries for regular and df text. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Rebase Created 5 years, 9 months ago
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1 1
2 /* 2 /*
3 * Copyright 2010 Google Inc. 3 * Copyright 2010 Google Inc.
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 10
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65 // for easy removal from list 65 // for easy removal from list
66 GrTextStrike* fPrev; 66 GrTextStrike* fPrev;
67 GrTextStrike* fNext; 67 GrTextStrike* fNext;
68 68
69 private: 69 private:
70 SkTDynamicHash<GrGlyph, GrGlyph::PackedID> fCache; 70 SkTDynamicHash<GrGlyph, GrGlyph::PackedID> fCache;
71 const GrFontDescKey* fFontScalerKey; 71 const GrFontDescKey* fFontScalerKey;
72 SkVarAlloc fPool; 72 SkVarAlloc fPool;
73 73
74 GrFontCache* fFontCache; 74 GrFontCache* fFontCache;
75 bool fUseDistanceField;
76 75
77 GrAtlas::ClientPlotUsage fPlotUsage; 76 GrAtlas::ClientPlotUsage fPlotUsage;
78 77
79 GrGlyph* generateGlyph(GrGlyph::PackedID packed, GrFontScaler* scaler); 78 GrGlyph* generateGlyph(GrGlyph::PackedID packed, GrFontScaler* scaler);
80 79
81 friend class GrFontCache; 80 friend class GrFontCache;
82 }; 81 };
83 82
84 class GrFontCache { 83 class GrFontCache {
85 public: 84 public:
86 GrFontCache(GrGpu*); 85 GrFontCache(GrGpu*);
87 ~GrFontCache(); 86 ~GrFontCache();
88 87
89 inline GrTextStrike* getStrike(GrFontScaler* scaler, bool useDistanceField) { 88 inline GrTextStrike* getStrike(GrFontScaler* scaler) {
90 this->validate(); 89 this->validate();
91 90
92 GrTextStrike* strike = fCache.find(*(scaler->getKey())); 91 GrTextStrike* strike = fCache.find(*(scaler->getKey()));
93 if (NULL == strike) { 92 if (NULL == strike) {
94 strike = this->generateStrike(scaler); 93 strike = this->generateStrike(scaler);
95 } else if (strike->fPrev) { 94 } else if (strike->fPrev) {
96 // Need to put the strike at the head of its dllist, since that is h ow 95 // Need to put the strike at the head of its dllist, since that is h ow
97 // we age the strikes for purging (we purge from the back of the lis t) 96 // we age the strikes for purging (we purge from the back of the lis t)
98 this->detachStrikeFromList(strike); 97 this->detachStrikeFromList(strike);
99 // attach at the head 98 // attach at the head
100 fHead->fPrev = strike; 99 fHead->fPrev = strike;
101 strike->fNext = fHead; 100 strike->fNext = fHead;
102 strike->fPrev = NULL; 101 strike->fPrev = NULL;
103 fHead = strike; 102 fHead = strike;
104 } 103 }
105 strike->fUseDistanceField = useDistanceField;
106 this->validate(); 104 this->validate();
107 return strike; 105 return strike;
108 } 106 }
109 107
110 // add to texture atlas that matches this format 108 // add to texture atlas that matches this format
111 GrPlot* addToAtlas(GrMaskFormat format, GrAtlas::ClientPlotUsage* usage, 109 GrPlot* addToAtlas(GrMaskFormat format, GrAtlas::ClientPlotUsage* usage,
112 int width, int height, const void* image, 110 int width, int height, const void* image,
113 SkIPoint16* loc); 111 SkIPoint16* loc);
114 112
115 void freeAll(); 113 void freeAll();
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174 } else { 172 } else {
175 SkASSERT(fTail == strike); 173 SkASSERT(fTail == strike);
176 fTail = strike->fPrev; 174 fTail = strike->fPrev;
177 } 175 }
178 } 176 }
179 177
180 void purgeStrike(GrTextStrike* strike); 178 void purgeStrike(GrTextStrike* strike);
181 }; 179 };
182 180
183 #endif 181 #endif
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