Switch to glyphs as paths at a higher point size on Android

src/gpu/GrAtlasTextContext.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 "GrAtlasTextContext.h"
 
 #include "GrBatch.h"
 #include "GrBatchFontCache.h"
@@ skipping 37 matching lines @@
 static const size_t kColorTextVASize = sizeof(SkPoint) + sizeof(SkIPoint16);
 
 static const size_t kGrayTextVASize = sizeof(SkPoint) + sizeof(GrColor) + sizeof(SkIPoint16);
 
 static const int kMinDFFontSize = 18;
 static const int kSmallDFFontSize = 32;
 static const int kSmallDFFontLimit = 32;
 static const int kMediumDFFontSize = 72;
 static const int kMediumDFFontLimit = 72;
 static const int kLargeDFFontSize = 162;
+#ifdef SK_BUILD_FOR_ANDROID
+static const int kLargeDFFontLimit = 384;
+#else
 static const int kLargeDFFontLimit = 2 * kLargeDFFontSize;
+#endif
 
 SkDEBUGCODE(static const int kExpectedDistanceAdjustTableSize = 8;)
 static const int kDistanceAdjustLumShift = 5;
 
 static const int kVerticesPerGlyph = 4;
 static const int kIndicesPerGlyph = 6;
 
 static size_t get_vertex_stride(GrMaskFormat maskFormat) {
     switch (maskFormat) {
         case kA8_GrMaskFormat:
@@ skipping 362 matching lines @@
                                                         const SkMatrix& viewMatrix) {
     // TODO: support perspective (need getMaxScale replacement)
     if (viewMatrix.hasPerspective()) {
         return false;
     }
 
     SkScalar maxScale = viewMatrix.getMaxScale();
     SkScalar scaledTextSize = maxScale*skPaint.getTextSize();
     // Hinted text looks far better at small resolutions
     // Scaling up beyond 2x yields undesireable artifacts
-    if (scaledTextSize < kMinDFFontSize || scaledTextSize > kLargeDFFontLimit) {
+    if (scaledTextSize < kMinDFFontSize || scaledTextSize >= kLargeDFFontLimit) {
         return false;
     }
 
     bool useDFT = fDeviceProperties.useDFT();
 #if SK_FORCE_DISTANCE_FIELD_TEXT
     useDFT = true;
 #endif
 
     if (!useDFT && !skPaint.isDistanceFieldTextTEMP() && scaledTextSize < kLargeDFFontSize) {
         return false;
@@ skipping 1812 matching lines @@
             gTextContext->createDrawTextBlob(rt, clip, grPaint, skPaint, viewMatrix, text,
                                              static_cast<size_t>(textLen), 0, 0, noClip));
 
     SkScalar transX = static_cast<SkScalar>(random->nextU());
     SkScalar transY = static_cast<SkScalar>(random->nextU());
     const GrAtlasTextContext::BitmapTextBlob::Run::SubRunInfo& info = blob->fRuns[0].fSubRunInfo[0];
     return gTextContext->createBatch(blob, info, textLen, 0, 0, color, transX, transY, skPaint);
 }
 
 #endif