Add static buffer support

src/gpu/vk/GrVkPipelineStateDataManager.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 GrVkPipelineStateDataManager_DEFINED
 #define GrVkPipelineStateDataManager_DEFINED
 
@@ skipping 32 matching lines @@
 
     // for nvpr only
     void setPathFragmentInputTransform(VaryingHandle u, int components,
                                        const SkMatrix& matrix) const override {
         SkFAIL("Only supported in NVPR, which is not in vulkan");
     }
 
     // Returns true if either the vertex or fragment buffer needed to generate a new underlying
     // VkBuffer object in order upload data. If true is returned, this is a signal to the caller
     // that they will need to update the descriptor set that is using these buffers.
-    bool uploadUniformBuffers(const GrVkGpu* gpu,
+    bool uploadUniformBuffers(GrVkGpu* gpu,
                               GrVkUniformBuffer* vertexBuffer,
                               GrVkUniformBuffer* fragmentBuffer) const;
 private:
     struct Uniform {
         uint32_t fBinding;
         uint32_t fOffset;
         SkDEBUGCODE(
             GrSLType    fType;
             int         fArrayCount;
         );
     };
 
     template<int N> inline void setMatrices(UniformHandle, int arrayCount,
                                             const float matrices[]) const;
 
     void* getBufferPtrAndMarkDirty(const Uniform& uni) const;
 
     uint32_t fVertexUniformSize;
     uint32_t fFragmentUniformSize;
 
     SkTArray<Uniform, true> fUniforms;
 
     mutable SkAutoMalloc fVertexUniformData;
     mutable SkAutoMalloc fFragmentUniformData;
     mutable bool         fVertexUniformsDirty;
     mutable bool         fFragmentUniformsDirty;
 };
 
 #endif