Fix GrAtlasTextBlob bounds management

src/gpu/text/GrAtlasTextBlob.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 "GrAtlasTextBlob.h"
 
 #include "GrBlurUtils.h"
@@ skipping 45 matching lines @@
     } else if (!run.fInitialized) {
         subRun->setStrike(strike);
     }
 
     run.fInitialized = true;
 
     size_t vertexStride = GetVertexStride(format);
 
     subRun->setMaskFormat(format);
 
-    run.fVertexBounds.joinNonEmptyArg(positions);
+    subRun->joinGlyphBounds(positions);
     subRun->setColor(color);
 
     intptr_t vertex = reinterpret_cast<intptr_t>(this->fVertices + subRun->vertexEndIndex());
 
     if (kARGB_GrMaskFormat != glyph->fMaskFormat) {
         // V0
         SkPoint* position = reinterpret_cast<SkPoint*>(vertex);
         position->set(positions.fLeft, positions.fTop);
         SkColor* colorPtr = reinterpret_cast<SkColor*>(vertex + sizeof(SkPoint));
         *colorPtr = color;
@@ skipping 135 matching lines @@
         SkScalar oldMaxScale = fViewMatrix.getMaxScale();
         SkScalar scaleAdjust = newMaxScale / oldMaxScale;
         if (scaleAdjust < fMaxMinScale || scaleAdjust > fMinMaxScale) {
             return true;
         }
 
         (*outTransX) = x - fX;
         (*outTransY) = y - fY;
     }
 
-
     // If we can reuse the blob, then make sure we update the blob's viewmatrix, and x/y
     // offsets.  Note, we offset the vertex bounds right before flushing
     fViewMatrix = viewMatrix;
     fX = x;
     fY = y;
 
     // It is possible that a blob has neither distanceField nor bitmaptext.  This is in the case
     // when all of the runs inside the blob are drawn as paths.  In this case, we always regenerate
     // the blob anyways at flush time, so no need to regenerate explicitly
     return false;
@@ skipping 143 matching lines @@
 
     GrColor color = grPaint.getColor();
 
     SkTextBlobRunIterator it(blob);
     for (int run = 0; !it.done(); it.next(), run++) {
         if (fRuns[run].fDrawAsPaths) {
             this->flushRunAsPaths(context, dc, props, it, clip, skPaint,
                                   drawFilter, viewMatrix, clipBounds, x, y);
             continue;
         }
-        fRuns[run].fVertexBounds.offset(transX, transY);
         this->flushRun(dc, &pipelineBuilder, run, color,
                        transX, transY, skPaint, props,
                        distanceAdjustTable, context->getBatchFontCache());
     }
 
     // Now flush big glyphs
     this->flushBigGlyphs(context, dc, clip, skPaint, transX, transY, clipBounds);
 }
 
 void GrAtlasTextBlob::flushThrowaway(GrContext* context,
@@ skipping 121 matching lines @@
                      rSubRun.fBulkUseToken.fPlotAlreadyUpdated);
             for (int k = 0; k < lSubRun.fBulkUseToken.fPlotsToUpdate.count(); k++) {
                 SkASSERT(lSubRun.fBulkUseToken.fPlotsToUpdate[k] ==
                          rSubRun.fBulkUseToken.fPlotsToUpdate[k]);
             }*/
         }
     }
 }
 
 #endif