Let text contexts fall back directly to paths

src/gpu/GrStencilAndCoverTextContext.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrStencilAndCoverTextContext_DEFINED
 #define GrStencilAndCoverTextContext_DEFINED
 
 #include "GrTextContext.h"
 #include "GrDrawTarget.h"
 #include "SkStrokeRec.h"
 
 class GrTextStrike;
 class GrPath;
 class GrPathRange;
 
 /*
  * This class implements text rendering using stencil and cover path rendering
  * (by the means of GrDrawTarget::drawPath).
  * This class exposes the functionality through GrTextContext interface.
  */
 class GrStencilAndCoverTextContext : public GrTextContext {
 public:
-    static GrStencilAndCoverTextContext* Create(GrContext*, const SkDeviceProperties&);
+    static GrStencilAndCoverTextContext* Create(GrContext*, SkGpuDevice*,
+                                                const SkDeviceProperties&);
 
     virtual ~GrStencilAndCoverTextContext();
 
 private:
     static const int kGlyphBufferSize = 1024;
 
     enum RenderMode {
         /**
          * This is the render mode used by drawText(), which is mainly used by
          * the Skia unit tests. It tries match the other text backends exactly,
@@ skipping 23 matching lines @@
     SkStrokeRec                                         fStroke;
     uint16_t                                            fGlyphIndices[kGlyphBufferSize];
     SkPoint                                             fGlyphPositions[kGlyphBufferSize];
     int                                                 fQueuedGlyphCount;
     int                                                 fFallbackGlyphsIdx;
     SkMatrix                                            fContextInitialMatrix;
     SkMatrix                                            fViewMatrix;
     SkMatrix                                            fLocalMatrix;
     bool                                                fUsingDeviceSpaceGlyphs;
 
-    GrStencilAndCoverTextContext(GrContext*, const SkDeviceProperties&);
+    GrStencilAndCoverTextContext(GrContext*, SkGpuDevice*, const SkDeviceProperties&);
 
     bool canDraw(const SkPaint& paint, const SkMatrix& viewMatrix) SK_OVERRIDE;
 
     virtual void onDrawText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
                             const SkMatrix& viewMatrix,
                             const char text[], size_t byteLength,
-                            SkScalar x, SkScalar y) SK_OVERRIDE;
+                            SkScalar x, SkScalar y, const SkIRect& regionClipBounds) SK_OVERRIDE;
     virtual void onDrawPosText(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
                                const SkMatrix& viewMatrix,
                                const char text[], size_t byteLength,
                                const SkScalar pos[], int scalarsPerPosition,
-                               const SkPoint& offset) SK_OVERRIDE;
+                               const SkPoint& offset, const SkIRect& regionClipBounds) SK_OVERRIDE;
 
     void init(GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
-              size_t textByteLength, RenderMode, const SkMatrix& viewMatrix);
+              size_t textByteLength, RenderMode, const SkMatrix& viewMatrix,
+              const SkIRect& regionClipBounds);
     bool mapToFallbackContext(SkMatrix* inverse);
     void appendGlyph(const SkGlyph&, const SkPoint&);
     void flush();
     void finish();
 
 };
 
 #endif