Some simple optimizations for improving GrAtlasTextContext perf

src/gpu/GrBatchFontCache.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBatchFontCache.h"
 #include "GrFontAtlasSizes.h"
 #include "GrGpu.h"
@@ skipping 184 matching lines @@
     while (!iter.done()) {
         if (id == (*iter).fID) {
             (*iter).fID = GrBatchAtlas::kInvalidAtlasID;
             fAtlasedGlyphs--;
             SkASSERT(fAtlasedGlyphs >= 0);
         }
         ++iter;
     }
 }
 
-bool GrBatchTextStrike::glyphTooLargeForAtlas(GrGlyph* glyph) {
-    int width = glyph->fBounds.width();
-    int height = glyph->fBounds.height();
-    bool useDistanceField =
-            (GrGlyph::kDistance_MaskStyle == GrGlyph::UnpackMaskStyle(glyph->fPackedID));
-    int pad = useDistanceField ? 2 * SK_DistanceFieldPad : 0;
-    int plotWidth = (kA8_GrMaskFormat == glyph->fMaskFormat) ? GR_FONT_ATLAS_A8_PLOT_WIDTH
-                                                             : GR_FONT_ATLAS_PLOT_WIDTH;
-    if (width + pad > plotWidth) {
-        return true;
-    }
-    if (height + pad > GR_FONT_ATLAS_PLOT_HEIGHT) {
-        return true;
-    }
-
-    return false;
-}
-
 bool GrBatchTextStrike::addGlyphToAtlas(GrBatchTarget* batchTarget, GrGlyph* glyph,
                                         GrFontScaler* scaler) {
     SkASSERT(glyph);
     SkASSERT(scaler);
     SkASSERT(fCache.find(glyph->fPackedID));
     SkASSERT(NULL == glyph->fPlot);
 
     SkAutoUnref ar(SkSafeRef(scaler));
 
     int bytesPerPixel = GrMaskFormatBytesPerPixel(glyph->fMaskFormat);
@@ skipping 17 matching lines @@
     }
 
     bool success = fBatchFontCache->addToAtlas(this, &glyph->fID, batchTarget, glyph->fMaskFormat,
                                                glyph->width(), glyph->height(),
                                                storage.get(), &glyph->fAtlasLocation);
     if (success) {
         fAtlasedGlyphs++;
     }
     return success;
 }