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| author | Richard Townsend <Richard.Townsend@arm.com> | 2018-01-25 19:03:04 +0000 |
|---|---|---|
| committer | Cosmin Truta <ctruta@gmail.com> | 2018-09-04 00:04:58 -0400 |
| commit | 7734cda20cf1236aef60f3bbd2267c97bbb40869 (patch) | |
| tree | 46bd39573775cfbec419527dcd3573e0bbfcf0e1 /pngwrite.c | |
| parent | 2fc5ddff180f20ab8f7c689dc7a9562521c2f427 (diff) | |
| download | libpng-7734cda20cf1236aef60f3bbd2267c97bbb40869.tar.gz | |
Optimize png_do_expand_palette for ARM
ARM-specific optimization processes 8 or 4 pixels at once.
Improves performance by around 10-22% on a recent ARM Chromebook.
Diffstat (limited to 'pngwrite.c')
| -rw-r--r-- | pngwrite.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pngwrite.c b/pngwrite.c index 98bce0e35..160c877d3 100644 --- a/pngwrite.c +++ b/pngwrite.c @@ -948,6 +948,10 @@ png_write_destroy(png_structrp png_ptr) png_free_buffer_list(png_ptr, &png_ptr->zbuffer_list); png_free(png_ptr, png_ptr->row_buf); png_ptr->row_buf = NULL; +#ifdef PNG_READ_EXPANDED_SUPPORTED + png_free(png_ptr, png_ptr->riffled_palette); + png_ptr->riffled_palette = NULL; +#endif #ifdef PNG_WRITE_FILTER_SUPPORTED png_free(png_ptr, png_ptr->prev_row); png_free(png_ptr, png_ptr->try_row); |