Define clear regions in terms of GrFixedClip

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
 
@@ skipping 34 matching lines @@
     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 onClear(GrRenderTarget* rt, const GrFixedClip&, GrColor color) override;
 
-    void onClearStencilClip(GrRenderTarget*, const SkIRect& rect, bool insideClip) override;
+    void onClearStencilClip(GrRenderTarget*, const GrFixedClip&, bool insideStencilMask) override;
 
     const GrVkRenderPass*       fRenderPass;
     GrVkSecondaryCommandBuffer* fCommandBuffer;
     GrVkGpu*                    fGpu;
     GrVkRenderTarget*           fRenderTarget;
     VkClearValue                fColorClearValue;
 
     SkTArray<GrVkImage*>        fSampledImages;
 
     bool                        fIsEmpty;
 
     typedef GrGpuCommandBuffer INHERITED;
 };
 
 #endif