Start using GrGpuCommandBuffer in GrDrawTarget.

src/gpu/vk/GrVkGpuCommandBuffer.h

Index: src/gpu/vk/GrVkGpuCommandBuffer.h
diff --git a/src/gpu/vk/GrVkGpuCommandBuffer.h b/src/gpu/vk/GrVkGpuCommandBuffer.h
index b68aa0334c7a547f6fb78279d65775263befc623..2daa98ce1064f84905428e06f4d8d9ffdc73badd 100644
--- a/src/gpu/vk/GrVkGpuCommandBuffer.h
+++ b/src/gpu/vk/GrVkGpuCommandBuffer.h
@@ -11,8 +11,12 @@
 #include "GrGpuCommandBuffer.h"
 
 #include "GrColor.h"
+#include "GrTypes.h"
+#include "GrVkPipelineState.h"
 
+class GrNonInstancedMesh;
 class GrVkGpu;
+class GrVkImage;
 class GrVkRenderPass;
 class GrVkRenderTarget;
 class GrVkSecondaryCommandBuffer;
@@ -20,20 +24,47 @@ class GrVkSecondaryCommandBuffer;
 class GrVkGpuCommandBuffer : public GrGpuCommandBuffer {
 public:
     GrVkGpuCommandBuffer(GrVkGpu* gpu,
-                         const GrVkRenderTarget&,
-                         LoadAndStoreOp colorOp, GrColor colorClear,
-                         LoadAndStoreOp stencilOp, GrColor stencilClear);
+                         GrVkRenderTarget*,
+                         const LoadAndStoreInfo& colorInfo,
+                         const LoadAndStoreInfo& stencilInfo);
 
     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;
+    VkClearValue                fColorClearValue;
+
+    SkTArray<GrVkImage*>        fSampledImages;
+
+    bool                        fIsEmpty;
 
     typedef GrGpuCommandBuffer INHERITED;
 };