Integers can now be passed as uniforms

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
 
 #include "glsl/GrGLSLProgramDataManager.h"
 
 #include "vk/GrVkUniformHandler.h"
 
 class GrVkGpu;
 class GrVkUniformBuffer;
 
 class GrVkPipelineStateDataManager : public GrGLSLProgramDataManager {
 public:
     typedef GrVkUniformHandler::UniformInfoArray UniformInfoArray;
 
     GrVkPipelineStateDataManager(const UniformInfoArray&,
                                  uint32_t vertexUniformSize,
                                  uint32_t fragmentUniformSize);
 
+    void set1i(UniformHandle, int32_t) const override;
     void set1f(UniformHandle, float v0) const override;
     void set1fv(UniformHandle, int arrayCount, const float v[]) const override;
     void set2f(UniformHandle, float, float) const override;
     void set2fv(UniformHandle, int arrayCount, const float v[]) const override;
     void set3f(UniformHandle, float, float, float) const override;
     void set3fv(UniformHandle, int arrayCount, const float v[]) const override;
     void set4f(UniformHandle, float, float, float, float) const override;
     void set4fv(UniformHandle, int arrayCount, const float v[]) const override;
     // matrices are column-major, the first two upload a single matrix, the latter two upload
     // arrayCount matrices into a uniform array.
@@ skipping 36 matching lines @@
 
     SkTArray<Uniform, true> fUniforms;
 
     mutable SkAutoMalloc fVertexUniformData;
     mutable SkAutoMalloc fFragmentUniformData;
     mutable bool         fVertexUniformsDirty;
     mutable bool         fFragmentUniformsDirty;
 };
 
 #endif