Port convolve functions to SkOpts

src/core/SkOpts.h

Index: src/core/SkOpts.h
diff --git a/src/core/SkOpts.h b/src/core/SkOpts.h
index 1d5e3337298a67cb9e907bbdbaf025c72ca2509e..22be97c332394d6ae03dc86dd5c55de28e6452ce 100644
--- a/src/core/SkOpts.h
+++ b/src/core/SkOpts.h
@@ -8,6 +8,7 @@
 #ifndef SkOpts_DEFINED
 #define SkOpts_DEFINED
 
+#include "SkConvolver.h"
 #include "SkRasterPipeline.h"
 #include "SkTextureCompressor.h"
 #include "SkTypes.h"
@@ -76,6 +77,15 @@ namespace SkOpts {
 
     extern std::function<void(size_t, size_t, size_t)>
     (*compile_pipeline)(const SkRasterPipeline::Stage*, int);
+
+    extern void (*convolve_vertically)(const SkConvolutionFilter1D::ConvolutionFixed* filter_values,
+                                       int filter_length, unsigned char* const* source_data_rows,
+                                       int pixel_width, unsigned char* out_row, bool has_alpha);
+    extern void (*convolve_4_rows_horizontally)(const unsigned char* src_data[4],
+                                                const SkConvolutionFilter1D& filter,
+                                                unsigned char* out_row[4], size_t out_row_bytes);
+    extern void (*convolve_horizontally)(const unsigned char* src_data, const SkConvolutionFilter1D& filter,
+                                         unsigned char* out_row, bool has_alpha);
 }
 
 #endif//SkOpts_DEFINED