[MIPS] Added MIPS DSPr2 optimization for BGRAConvolve2D routine

skia/ext/convolver_SSE2.cc

Index: skia/ext/convolver_SSE2.cc
diff --git a/skia/ext/convolver_SSE2.cc b/skia/ext/convolver_SSE2.cc
index a823edcb519291d89ed79c448efa98f9569bb788..9a9c9b70e56e2ac91abaa2e0156b7af02cf4fb9b 100644
--- a/skia/ext/convolver_SSE2.cc
+++ b/skia/ext/convolver_SSE2.cc
@@ -14,6 +14,7 @@ namespace skia {
 
 // Convolves horizontally along a single row. The row data is given in
 // |src_data| and continues for the num_values() of the filter.
+template<bool has_alpha>

[Stephen White, 2013/05/13 14:08:43]

If this function is going to ignore has_alpha anyway, I'd just add it as a
non-templated parameter and get rid of the caller below.

[Teodora Novkovic, 2013/05/13 16:23:06]

Done.

 void ConvolveHorizontally_SSE2(const unsigned char* src_data,
                                const ConvolutionFilter1D& filter,
                                unsigned char* out_row) {
@@ -453,4 +454,18 @@ void ConvolveVertically_SSE2(const ConvolutionFilter1D::Fixed* filter_values,
   }
 }
 
+void ConvolveHorizontally_SSE2(const unsigned char* src_data,
+                               const ConvolutionFilter1D& filter,
+                               unsigned char* out_row,
+                               bool has_alpha) {
+  if (has_alpha) {
+    ConvolveHorizontally_SSE2<true>(src_data,
+                                    filter,
+                                    out_row);
+  } else {
+    ConvolveHorizontally_SSE2<false>(src_data,
+                                     filter,
+                                     out_row);
+  }
+}
 }  // namespace skia