Production quality fast image up/downsampler

src/opts/SkBitmapFilter_opts_SSE2.h

 
 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkBitmapFilter_opts_sse2_DEFINED
 #define SkBitmapFilter_opts_sse2_DEFINED
 
 #include "SkBitmapProcState.h"
+#include "SkConvolver.h"
 
 void highQualityFilter_ScaleOnly_SSE2(const SkBitmapProcState &s, int x, int y,
                           SkPMColor *SK_RESTRICT colors, int count);
 void highQualityFilter_SSE2(const SkBitmapProcState &s, int x, int y,
                 SkPMColor *SK_RESTRICT colors, int count);
 
+
+void convolveVertically_SSE2(const SkConvolutionFilter1D::ConvolutionFixed* filter_values,
+                             int filter_length,
+                             unsigned char* const* source_data_rows,
+                             int pixel_width,
+                             unsigned char* out_row,
+                             bool has_alpha);
+void convolve4RowsHorizontally_SSE2(const unsigned char* src_data[4],
+                                    const SkConvolutionFilter1D& filter,
+                                    unsigned char* out_row[4]);
+void convolveHorizontally_SSE2(const unsigned char* src_data,
+                               const SkConvolutionFilter1D& filter,
+                               unsigned char* out_row,
+                               bool has_alpha);
+void applySIMDPadding_SSE2(SkConvolutionFilter1D* filter);
+
 #endif