Reduce use of GrRenderTarget in GrTextContexts

src/gpu/GrAtlasTextContext.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrAtlasTextContext_DEFINED
 #define GrAtlasTextContext_DEFINED
 
@@ skipping 18 matching lines @@
  * This class implements GrTextContext using standard bitmap fonts, and can also process textblobs.
  */
 class GrAtlasTextContext : public GrTextContext {
 public:
     static GrAtlasTextContext* Create(GrContext*, const SkSurfaceProps&);
 
 private:
     GrAtlasTextContext(GrContext*, const SkSurfaceProps&);
     ~GrAtlasTextContext() override {}
 
-    bool canDraw(const GrRenderTarget*, const GrClip&, const GrPaint&,
-                 const SkPaint&, const SkMatrix& viewMatrix) override;
+    bool canDraw(const SkPaint&, const SkMatrix& viewMatrix) override;
 
     void onDrawText(GrDrawContext*, GrRenderTarget*, const GrClip&, const GrPaint&, const SkPaint&,
                     const SkMatrix& viewMatrix, const char text[], size_t byteLength,
                     SkScalar x, SkScalar y, const SkIRect& regionClipBounds) override;
     void onDrawPosText(GrDrawContext*, GrRenderTarget*, 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& regionClipBounds) override;
     void drawTextBlob(GrDrawContext*, GrRenderTarget*, const GrClip&, const SkPaint&,
@@ skipping 38 matching lines @@
     // We have to flush SkTextBlobs differently from drawText / drawPosText
     void flush(const SkTextBlob*, GrAtlasTextBlob*, GrDrawContext*, GrRenderTarget*,
                const SkPaint&, const GrPaint&, SkDrawFilter*, const GrClip&,
                const SkMatrix& viewMatrix, const SkIRect& clipBounds, SkScalar x, SkScalar y,
                SkScalar transX, SkScalar transY);
     void flush(GrAtlasTextBlob*, GrDrawContext*, GrRenderTarget*, const SkPaint&,
                const GrPaint&, const GrClip&, const SkIRect& clipBounds);
 
     // A helper for drawing BitmapText in a run of distance fields
     inline void fallbackDrawPosText(GrAtlasTextBlob*, int runIndex,
-                                    GrRenderTarget*, const GrClip&, GrColor color,
+                                    const GrClip&, GrColor color,
                                     const SkPaint&, const SkMatrix& viewMatrix,
                                     const SkTDArray<char>& fallbackTxt,
                                     const SkTDArray<SkScalar>& fallbackPos,
                                     int scalarsPerPosition,
                                     const SkPoint& offset,
                                     const SkIRect& clipRect);
 
     void internalDrawBMPText(GrAtlasTextBlob*, int runIndex, SkGlyphCache*, const SkPaint&,
                              GrColor color, const SkMatrix& viewMatrix,
                              const char text[], size_t byteLength,
@@ skipping 32 matching lines @@
                             const SkMatrix& viewMatrix,
                             const SkTextBlob* blob, SkScalar x, SkScalar y,
                             SkDrawFilter* drawFilter, const SkIRect& clipRect, GrRenderTarget*,
                             const GrClip&);
     inline static bool HasLCD(const SkTextBlob*);
     inline void initDistanceFieldPaint(GrAtlasTextBlob*, SkPaint*, SkScalar* textRatio,
                                        const SkMatrix&);
 
     // Test methods
     // TODO this is really ugly.  It'd be much nicer if positioning could be moved to batch
-    inline GrAtlasTextBlob* createDrawTextBlob(GrRenderTarget*, const GrClip&, const GrPaint&,
-                                              const SkPaint&, const SkMatrix& viewMatrix,
-                                              const char text[], size_t byteLength,
-                                              SkScalar x, SkScalar y,
-                                              const SkIRect& regionClipBounds);
-    inline GrAtlasTextBlob* createDrawPosTextBlob(GrRenderTarget*, const GrClip&, const GrPaint&,
+    inline GrAtlasTextBlob* createDrawTextBlob(GrDrawContext*, const GrClip&, const GrPaint&,
+                                               const SkPaint&, const SkMatrix& viewMatrix,
+                                               const char text[], size_t byteLength,
+                                               SkScalar x, SkScalar y,
+                                               const SkIRect& regionClipBounds);
+    inline GrAtlasTextBlob* createDrawPosTextBlob(GrDrawContext*, 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& regionClipBounds);
 
     // Distance field text needs this table to compute a value for use in the fragment shader.
     // Because the GrAtlasTextContext can go out of scope before the final flush, this needs to be
     // refcnted and malloced
     struct DistanceAdjustTable : public SkNVRefCnt<DistanceAdjustTable> {
@@ skipping 18 matching lines @@
     friend class GrAtlasTextBatch;
 
 #ifdef GR_TEST_UTILS
     DRAW_BATCH_TEST_FRIEND(TextBlobBatch);
 #endif
 
     typedef GrTextContext INHERITED;
 };
 
 #endif