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Viewing changes to dict_hw/src/dict_image.cpp

  • Committer: Suren A. Chilingaryan
  • Date: 2010-08-09 00:10:31 UTC
  • Revision ID: csa@dside.dyndns.org-20100809001031-59vi0m04osiimrvz
Timing measurements are fixed, openmp support to accelerate image reduction

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dict_hw/src/dict_image.cpp
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#include "dict_image.h"
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#ifdef HAVE_OPENMP
 
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# include <omp.h>
 
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#endif /* HAVE_OPENMP */
 
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static int dictImageFreeBuffer(DICTContext ctx, DICTImageType image_type, void *image_buf) {
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    switch (image_type) {
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#ifdef DICT_TIFF_SUPPORT
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                int aligned_width = (width / TRANSPOSE_SIZE) * TRANSPOSE_SIZE;
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                int aligned_height = (height / TRANSPOSE_SIZE) * TRANSPOSE_SIZE;
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# pragma omp parallel for
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                for (int col = 0; col < aligned_height; col+=TRANSPOSE_SIZE) {
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                    for (int lin = 0; lin < aligned_width; lin+=TRANSPOSE_SIZE) {
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#ifdef USE_SSE
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                reduct_ssse3(res, image, size);
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#else /* USE_SSE */
 
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# pragma omp parallel for
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                for (int i = 0; i < size; ++i) {
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                    int pos = 4 * i;
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                    unsigned short sum = 85 * (image[pos] + image[pos+1] + image[pos+2]);