Don't try to add large glyphs to the font atlas.

src/gpu/GrBitmapTextContext.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBitmapTextContext.h"
 #include "GrAtlas.h"
 #include "GrDrawTarget.h"
@@ skipping 436 matching lines @@
     if (true || NULL == glyph->fPlot) {
         int x = vx >> 16;
         int y = vy >> 16;
         if (fClipRect.quickReject(x, y, x + width, y + height)) {
 //            SkCLZ(3);    // so we can set a break-point in the debugger
             return;
         }
     }
 
     if (NULL == glyph->fPlot) {
-        if (fStrike->addGlyphToAtlas(glyph, scaler)) {
-            goto HAS_ATLAS;
-        }
+        if (!fStrike->glyphTooLargeForAtlas(glyph)) {
+            if (fStrike->addGlyphToAtlas(glyph, scaler)) {
+                goto HAS_ATLAS;
+            }
 
-        // try to clear out an unused plot before we flush
-        if (fContext->getFontCache()->freeUnusedPlot(fStrike) &&
-            fStrike->addGlyphToAtlas(glyph, scaler)) {
-            goto HAS_ATLAS;
-        }
+            // try to clear out an unused plot before we flush
+            if (fContext->getFontCache()->freeUnusedPlot(fStrike) &&
+                fStrike->addGlyphToAtlas(glyph, scaler)) {
+                goto HAS_ATLAS;
+            }
 
-        if (c_DumpFontCache) {
+            if (c_DumpFontCache) {
 #ifdef SK_DEVELOPER
-            fContext->getFontCache()->dump();
+                fContext->getFontCache()->dump();
 #endif
-        }
+            }
 
-        // flush any accumulated draws to allow us to free up a plot
-        this->flushGlyphs();
-        fContext->flush();
+            // flush any accumulated draws to allow us to free up a plot
+            this->flushGlyphs();
+            fContext->flush();
 
-        // we should have an unused plot now
-        if (fContext->getFontCache()->freeUnusedPlot(fStrike) &&
-            fStrike->addGlyphToAtlas(glyph, scaler)) {
-            goto HAS_ATLAS;
+            // we should have an unused plot now
+            if (fContext->getFontCache()->freeUnusedPlot(fStrike) &&
+                fStrike->addGlyphToAtlas(glyph, scaler)) {
+                goto HAS_ATLAS;
+            }
         }
 
         if (NULL == glyph->fPath) {
             SkPath* path = SkNEW(SkPath);
             if (!scaler->getGlyphPath(glyph->glyphID(), path)) {
                 // flag the glyph as being dead?
                 delete path;
                 return;
             }
             glyph->fPath = path;
@@ skipping 105 matching lines @@
         }
         // color comes after position.
         GrColor* colors = reinterpret_cast<GrColor*>(positions + 1);
         for (int i = 0; i < 4; ++i) {
            *colors = fPaint.getColor();
            colors = reinterpret_cast<GrColor*>(reinterpret_cast<intptr_t>(colors) + vertSize);
         }
     }
     fCurrVertex += 4;
 }