Break GrTextContext's reliance on SkGpuDevice

src/gpu/GrTextContext.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.
  */
 
 #ifndef GrTextContext_DEFINED
 #define GrTextContext_DEFINED
 
 #include "GrClip.h"
 #include "GrGlyph.h"
 #include "GrPaint.h"
 #include "SkDeviceProperties.h"
 #include "SkPostConfig.h"
 
 class GrClip;
 class GrContext;
 class GrDrawContext;
 class GrFontScaler;
 class SkDrawFilter;
-class SkGpuDevice;
 class SkTextBlob;
 
 /*
  * This class wraps the state for a single text render
  */
 class GrTextContext {
 public:
     virtual ~GrTextContext();
 
     void drawText(GrRenderTarget* rt, const GrClip&,  const GrPaint&, const SkPaint&,
                   const SkMatrix& viewMatrix, const char text[], size_t byteLength, SkScalar x,
                   SkScalar y, const SkIRect& clipBounds);
     void drawPosText(GrRenderTarget* rt, const GrClip&, const GrPaint&, const SkPaint&,
                      const SkMatrix& viewMatrix,
                      const char text[], size_t byteLength,
                      const SkScalar pos[], int scalarsPerPosition,
                      const SkPoint& offset, const SkIRect& clipBounds);
-    virtual void drawTextBlob(SkGpuDevice*, GrRenderTarget*, const GrClip&, const SkPaint&,
+    virtual void drawTextBlob(GrRenderTarget*, const GrClip&, const SkPaint&,
                               const SkMatrix& viewMatrix, const SkTextBlob*,
                               SkScalar x, SkScalar y,
                               SkDrawFilter*, const SkIRect& clipBounds);
 
+    static bool ShouldDisableLCD(const SkPaint& paint);
+
 protected:
     GrTextContext*                 fFallbackTextContext;
     GrContext*                     fContext;
     SkDeviceProperties             fDeviceProperties;
 
     SkAutoTUnref<GrRenderTarget>   fRenderTarget;
     GrClip                         fClip;
     SkIRect                        fClipRect;
     SkIRect                        fRegionClipBounds;
     GrPaint                        fPaint;
@@ skipping 25 matching lines @@
                            const SkScalar pos[], int scalarsPerPosition,
                            const SkPoint& offset, const SkIRect& clipBounds);
 
     void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
               const SkIRect& regionClipBounds);
 
     static GrFontScaler* GetGrFontScaler(SkGlyphCache* cache);
     // sets extent in stopVector and returns glyph count
     static int MeasureText(SkGlyphCache* cache, SkDrawCacheProc glyphCacheProc,
                            const char text[], size_t byteLength, SkVector* stopVector);
+    static uint32_t FilterTextFlags(const SkDeviceProperties& devProps, const SkPaint& paint);
 
     friend class BitmapTextBatch;
 };
 
 #endif