Update how we send draws to gpu backend to reduce state setting.

src/gpu/vk/GrVkGpu.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 GrVkGpu_DEFINED
 #define GrVkGpu_DEFINED
 
@@ skipping 46 matching lines @@
     };
 
     bool onGetReadPixelsInfo(GrSurface* srcSurface, int readWidth, int readHeight, size_t rowBytes,
                              GrPixelConfig readConfig, DrawPreference*,
                              ReadPixelTempDrawInfo*) override;
 
     bool onGetWritePixelsInfo(GrSurface* dstSurface, int width, int height,
                               GrPixelConfig srcConfig, DrawPreference*,
                               WritePixelTempDrawInfo*) override;
 
-    void buildProgramDesc(GrProgramDesc*, const GrPrimitiveProcessor&,
-                          const GrPipeline&) const override;
-
     void discard(GrRenderTarget*) override {
         SkDebugf("discard not yet implemented for Vulkan\n");
     }
 
     bool onCopySurface(GrSurface* dst,
                        GrSurface* src,
                        const SkIRect& srcRect,
                        const SkIPoint& dstPoint) override;
 
     void onGetMultisampleSpecs(GrRenderTarget* rt,
@@ skipping 67 matching lines @@
     }
 
     GrVertexBuffer* onCreateVertexBuffer(size_t size, bool dynamic) override;
     GrIndexBuffer* onCreateIndexBuffer(size_t size, bool dynamic) override;
     GrTransferBuffer* onCreateTransferBuffer(size_t size, TransferType type) override;
 
     void onClear(GrRenderTarget*, const SkIRect& rect, GrColor color) override;
 
     void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override;
 
-    void onDraw(const DrawArgs&, const GrNonInstancedVertices&) override;
+    void onDraw(const GrPipeline&,
+                const GrPrimitiveProcessor&,
+                GrPrimitiveType primitiveType,
+                const GrVertices*,
+                int drawCount) override;
 
     bool onReadPixels(GrSurface* surface,
                       int left, int top, int width, int height,
                       GrPixelConfig,
                       void* buffer,
                       size_t rowBytes) override;
 
     bool onWritePixels(GrSurface* surface,
                        int left, int top, int width, int height,
                        GrPixelConfig config, const SkTArray<GrMipLevel>&) override;
@@ skipping 49 matching lines @@
     shaderc_compiler_t fCompiler;
 
     // This is only for our current testing and building. The client should be holding on to the
     // VkInstance.
     VkInstance                        fVkInstance;
 
     typedef GrGpu INHERITED;
 };
 
 #endif