implement drawAtlas natively on gpu-device

src/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.
  */
 
 #ifndef SkGpuDevice_DEFINED
 #define SkGpuDevice_DEFINED
@@ skipping 93 matching lines @@
     virtual void drawPosText(const SkDraw&, const void* text, size_t len,
                              const SkScalar pos[], int scalarsPerPos,
                              const SkPoint& offset, const SkPaint&) override;
     virtual void drawTextBlob(const SkDraw&, const SkTextBlob*, SkScalar x, SkScalar y,
                               const SkPaint& paint, SkDrawFilter* drawFilter) override;
     virtual void drawVertices(const SkDraw&, SkCanvas::VertexMode, int vertexCount,
                               const SkPoint verts[], const SkPoint texs[],
                               const SkColor colors[], SkXfermode* xmode,
                               const uint16_t indices[], int indexCount,
                               const SkPaint&) override;
+    void drawAtlas(const SkDraw&, const SkImage* atlas, const SkRSXform[], const SkRect[],
+                       const SkColor[], int count, SkXfermode::Mode, const SkPaint&) override;
     virtual void drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                             const SkPaint&) override;
     void drawImage(const SkDraw&, const SkImage*, SkScalar x, SkScalar y, const SkPaint&) override;
     void drawImageRect(const SkDraw&, const SkImage*, const SkRect* src, const SkRect& dst,
                        const SkPaint&) override;
 
     void flush() override;
 
     void onAttachToCanvas(SkCanvas* canvas) override;
     void onDetachFromCanvas() override;
@@ skipping 98 matching lines @@
 
     static GrRenderTarget* CreateRenderTarget(GrContext*, SkSurface::Budgeted, const SkImageInfo&,
                                               int sampleCount);
 
     friend class GrAtlasTextContext;
     friend class SkSurface_Gpu;      // for access to surfaceProps
     typedef SkBaseDevice INHERITED;
 };
 
 #endif