Index: src/gpu/GrBatchFontCache.h |
diff --git a/src/gpu/GrBatchFontCache.h b/src/gpu/GrBatchFontCache.h |
deleted file mode 100644 |
index 6300fbe212f1260308a8203fb5fbca9497eb7ea2..0000000000000000000000000000000000000000 |
--- a/src/gpu/GrBatchFontCache.h |
+++ /dev/null |
@@ -1,137 +0,0 @@ |
-/* |
- * Copyright 2015 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
- |
-#ifndef GrBatchFontCache_DEFINED |
-#define GrBatchFontCache_DEFINED |
- |
-#include "GrBatchAtlas.h" |
-#include "GrDrawTarget.h" |
-#include "GrFontScaler.h" |
-#include "GrGlyph.h" |
-#include "SkTDynamicHash.h" |
-#include "SkVarAlloc.h" |
- |
-class GrBatchFontCache; |
-class GrBatchTarget; |
-class GrGpu; |
- |
-/** |
- * The GrBatchTextStrike manages a pool of CPU backing memory for Glyph Masks. This backing memory |
- * is abstracted by GrGlyph, and indexed by a PackedID and GrFontScaler. The GrFontScaler is what |
- * actually creates the mask. |
- */ |
-class GrBatchTextStrike { |
-public: |
- GrBatchTextStrike(GrBatchFontCache*, const GrFontDescKey* fontScalerKey); |
- ~GrBatchTextStrike(); |
- |
- const GrFontDescKey* getFontScalerKey() const { return fFontScalerKey; } |
- GrBatchFontCache* getBatchFontCache() const { return fBatchFontCache; } |
- |
- inline GrGlyph* getGlyph(GrGlyph::PackedID packed, GrFontScaler* scaler) { |
- GrGlyph* glyph = fCache.find(packed); |
- if (NULL == glyph) { |
- glyph = this->generateGlyph(packed, scaler); |
- } |
- return glyph; |
- } |
- |
- // returns true if glyph (or glyph+padding for distance field) |
- // is too large to ever fit in texture atlas subregions (GrPlots) |
- bool glyphTooLargeForAtlas(GrGlyph*); |
- // returns true if glyph successfully added to texture atlas, false otherwise |
- bool addGlyphToAtlas(GrBatchTarget*, GrGlyph*, GrFontScaler*); |
- |
- // testing |
- int countGlyphs() const { return fCache.count(); } |
- |
- // remove any references to this plot |
- void removeID(GrBatchAtlas::AtlasID); |
- |
- static const GrFontDescKey& GetKey(const GrBatchTextStrike& ts) { |
- return *(ts.fFontScalerKey); |
- } |
- static uint32_t Hash(const GrFontDescKey& key) { |
- return key.getHash(); |
- } |
- |
-private: |
- SkTDynamicHash<GrGlyph, GrGlyph::PackedID> fCache; |
- SkAutoTUnref<const GrFontDescKey> fFontScalerKey; |
- SkVarAlloc fPool; |
- |
- GrBatchFontCache* fBatchFontCache; |
- int fAtlasedGlyphs; |
- |
- GrGlyph* generateGlyph(GrGlyph::PackedID packed, GrFontScaler* scaler); |
- |
- friend class GrBatchFontCache; |
-}; |
- |
-/* |
- * GrBatchFontCache manages strikes which are indexed by a GrFontScaler. These strikes can then be |
- * used to individual Glyph Masks. The GrBatchFontCache also manages GrBatchAtlases, though this is |
- * more or less transparent to the client(aside from atlasGeneration, described below) |
- */ |
-class GrBatchFontCache { |
-public: |
- GrBatchFontCache(); |
- ~GrBatchFontCache(); |
- |
- // Initializes the GrBatchFontCache on the owning GrContext |
- void init(GrContext*); |
- |
- inline GrBatchTextStrike* getStrike(GrFontScaler* scaler) { |
- |
- GrBatchTextStrike* strike = fCache.find(*(scaler->getKey())); |
- if (NULL == strike) { |
- strike = this->generateStrike(scaler); |
- } |
- return strike; |
- } |
- |
- bool hasGlyph(GrGlyph* glyph); |
- |
- // To ensure the GrBatchAtlas does not evict the Glyph Mask from its texture backing store, |
- // the client must pass in the currentToken from the GrBatchTarget along with the GrGlyph |
- void setGlyphRefToken(GrGlyph*, GrBatchAtlas::BatchToken); |
- |
- // add to texture atlas that matches this format |
- bool addToAtlas(GrBatchTextStrike*, GrBatchAtlas::AtlasID*, GrBatchTarget*, |
- GrMaskFormat, int width, int height, const void* image, |
- SkIPoint16* loc); |
- |
- // Some clients may wish to verify the integrity of the texture backing store of the |
- // GrBatchAtlas. The atlasGeneration returned below is a monitonically increasing number which |
- // changes everytime something is removed from the texture backing store. |
- uint64_t atlasGeneration(GrMaskFormat) const; |
- |
- void freeAll(); |
- |
- GrTexture* getTexture(GrMaskFormat); |
- GrPixelConfig getPixelConfig(GrMaskFormat) const; |
- |
- void dump() const; |
- |
-private: |
- // There is a 1:1 mapping between GrMaskFormats and atlas indices |
- static int MaskFormatToAtlasIndex(GrMaskFormat); |
- static GrMaskFormat AtlasIndexToMaskFormat(int atlasIndex); |
- |
- GrBatchTextStrike* generateStrike(GrFontScaler*); |
- |
- inline GrBatchAtlas* getAtlas(GrMaskFormat) const; |
- |
- static void HandleEviction(GrBatchAtlas::AtlasID, void*); |
- |
- SkTDynamicHash<GrBatchTextStrike, GrFontDescKey> fCache; |
- |
- GrBatchAtlas* fAtlases[kMaskFormatCount]; |
- GrBatchTextStrike* fPreserveStrike; |
-}; |
- |
-#endif |