Fix for blinking/corrupted text in Canvas 2D.

src/gpu/GrTextContext.cpp

 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
 #include "GrTextContext.h"
@@ skipping 135 matching lines @@
     // check if we clipped out
     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;
         }
     }
 
-    GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken();
     if (NULL == glyph->fPlot) {
-        if (fStrike->getGlyphAtlas(glyph, scaler, drawToken)) {
+        if (fStrike->getGlyphAtlas(glyph, scaler)) {
             goto HAS_ATLAS;
         }
 
         // try to clear out an unused plot before we flush
         fContext->getFontCache()->freePlotExceptFor(fStrike);
-        if (fStrike->getGlyphAtlas(glyph, scaler, drawToken)) {
+        if (fStrike->getGlyphAtlas(glyph, scaler)) {
             goto HAS_ATLAS;
         }
 
         if (c_DumpFontCache) {
 #ifdef SK_DEVELOPER
             fContext->getFontCache()->dump();
 #endif
         }
 
         // before we purge the cache, we must flush any accumulated draws
         this->flushGlyphs();
         fContext->flush();
 
         // try to purge
         fContext->getFontCache()->purgeExceptFor(fStrike);
         // need to use new flush count here
-        if (fStrike->getGlyphAtlas(glyph, scaler, drawToken)) {
+        if (fStrike->getGlyphAtlas(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;
         }
 
         GrContext::AutoMatrix am;
         SkMatrix translate;
         translate.setTranslate(SkFixedToScalar(vx - SkIntToFixed(glyph->fBounds.fLeft)),
                                SkFixedToScalar(vy - SkIntToFixed(glyph->fBounds.fTop)));
         GrPaint tmpPaint(fPaint);
         am.setPreConcat(fContext, translate, &tmpPaint);
         SkStrokeRec stroke(SkStrokeRec::kFill_InitStyle);
         fContext->drawPath(tmpPaint, *glyph->fPath, stroke);
         return;
     }
 
 HAS_ATLAS:
     SkASSERT(glyph->fPlot);
+    GrDrawTarget::DrawToken drawToken = fDrawTarget->getCurrentDrawToken();
+    glyph->fPlot->setDrawToken(drawToken);
 
     // now promote them to fixed (TODO: Rethink using fixed pt).
     width = SkIntToFixed(width);
     height = SkIntToFixed(height);
 
     GrTexture* texture = glyph->fPlot->texture();
     SkASSERT(texture);
 
     if (fCurrTexture != texture || fCurrVertex + 4 > fMaxVertices) {
         this->flushGlyphs();
@@ skipping 41 matching lines @@
                                         SkFixedToFloat(vx + width),
                                         SkFixedToFloat(vy + height),
                                         2 * sizeof(SkPoint));
     fVertices[2*fCurrVertex+1].setRectFan(SkFixedToFloat(texture->normalizeFixedX(tx)),
                                           SkFixedToFloat(texture->normalizeFixedY(ty)),
                                           SkFixedToFloat(texture->normalizeFixedX(tx + width)),
                                           SkFixedToFloat(texture->normalizeFixedY(ty + height)),
                                           2 * sizeof(SkPoint));
     fCurrVertex += 4;
 }