Start using GrGpuCommandBuffer in GrDrawTarget.

src/gpu/vk/GrVkGpuCommandBuffer.h

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #ifndef GrVkGpuCommandBuffer_DEFINED
 #define GrVkGpuCommandBuffer_DEFINED
 
 #include "GrGpuCommandBuffer.h"
 
 #include "GrColor.h"
+#include "GrTypes.h"
+#include "GrVkPipelineState.h"
 
+class GrNonInstancedMesh;
 class GrVkGpu;
+class GrVkImage;
 class GrVkRenderPass;
 class GrVkRenderTarget;
 class GrVkSecondaryCommandBuffer;
 
 class GrVkGpuCommandBuffer : public GrGpuCommandBuffer {
 public:
     GrVkGpuCommandBuffer(GrVkGpu* gpu,
-                         const GrVkRenderTarget&,
+                         GrVkRenderTarget*,
                          LoadAndStoreOp colorOp, GrColor colorClear,
                          LoadAndStoreOp stencilOp, GrColor stencilClear);
 
     virtual ~GrVkGpuCommandBuffer();
 
     void end() override;
 
-    void submit() override;
+    void discard(GrRenderTarget* rt) override {}
 
 private:
+    GrGpu* gpu() override;
+
+    void onSubmit(const SkIRect& bounds) override;
+
+    // Bind vertex and index buffers
+    void bindGeometry(const GrPrimitiveProcessor&, const GrNonInstancedMesh&);
+
+    sk_sp<GrVkPipelineState> prepareDrawState(const GrPipeline&,
+                                              const GrPrimitiveProcessor&,
+                                              GrPrimitiveType,
+                                              const GrVkRenderPass&);
+
+    void onDraw(const GrPipeline& pipeline,
+                const GrPrimitiveProcessor& primProc,
+                const GrMesh* mesh,
+                int meshCount) override;
+
+    void onClear(GrRenderTarget* rt, const SkIRect& rect, GrColor color) override;
+
+    void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override;
+
     const GrVkRenderPass*       fRenderPass;
     GrVkSecondaryCommandBuffer* fCommandBuffer;
     GrVkGpu*                    fGpu;
+    GrVkRenderTarget*           fRenderTarget;
+
+    SkTArray<GrVkImage*>  fSampledImages;
 
     typedef GrGpuCommandBuffer INHERITED;
 };
 
 #endif