Add flag for SkGpuSurface creation to enable distance fields.

include/gpu/SkGpuDevice.h

 
 /*
  * Copyright 2010 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 
@@ skipping 14 matching lines @@
 
 /**
  *  Subclass of SkBitmapDevice, which directs all drawing to the GrGpu owned by the
  *  canvas.
  */
 class SK_API SkGpuDevice : public SkBitmapDevice {
 public:
     enum Flags {
         kNeedClear_Flag = 1 << 0,  //!< Surface requires an initial clear
         kCached_Flag    = 1 << 1,  //!< Surface is cached and needs to be unlocked when released
+        kDFFonts_Flag   = 1 << 2,  //!< Surface should render fonts using signed distance fields
     };
 
     /**
      * Creates an SkGpuDevice from a GrSurface. This will fail if the surface is not a render
      * target. The caller owns a ref on the returned device. If the surface is cached,
      * the kCached_Flag should be specified to make the device responsible for unlocking
      * the surface when it is released.
      */
     static SkGpuDevice* Create(GrSurface* surface, unsigned flags = 0);
 
@@ skipping 171 matching lines @@
                          SkCanvas::DrawBitmapRectFlags flags,
                          int tileSize,
                          bool bicubic);
 
     static SkPicture::AccelData::Key ComputeAccelDataKey();
 
     typedef SkBitmapDevice INHERITED;
 };
 
 #endif