SIMD-accelerated h2v2 smooth downsampling routine for MIPS DSPr2

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1301 632fc199-4ca6-4c93-a231-07263d6284db
2014-05-14 15:00:10 +00:00
parent 1e9cbbad8a
commit 6a61c1e6dc
6 changed files with 356 additions and 1 deletions
--- a/jcsample.c
+++ b/jcsample.c
@@ -504,7 +504,10 @@ jinit_downsampler (j_compress_ptr cinfo)
               compptr->v_samp_factor * 2 == cinfo->max_v_samp_factor) {
 #ifdef INPUT_SMOOTHING_SUPPORTED
      if (cinfo->smoothing_factor) {
-        downsample->methods[ci] = h2v2_smooth_downsample;
+        if (jsimd_can_h2v2_smooth_downsample())
+          downsample->methods[ci] = jsimd_h2v2_smooth_downsample;
+        else
+          downsample->methods[ci] = h2v2_smooth_downsample;
        downsample->pub.need_context_rows = TRUE;
      } else {
 #endif