diff options
Diffstat (limited to 'simd/arm/arm64/jsimd.c')
| -rw-r--r-- | simd/arm/arm64/jsimd.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/simd/arm/arm64/jsimd.c b/simd/arm/arm64/jsimd.c index 8cc8f69..ca29cd6 100644 --- a/simd/arm/arm64/jsimd.c +++ b/simd/arm/arm64/jsimd.c @@ -176,6 +176,19 @@ jsimd_can_rgb_ycc(void) GLOBAL(int) jsimd_can_rgb_gray(void) { + init_simd(); + + /* The code is optimised for these values only */ + if (BITS_IN_JSAMPLE != 8) + return 0; + if (sizeof(JDIMENSION) != 4) + return 0; + if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) + return 0; + + if (simd_support & JSIMD_NEON) + return 1; + return 0; } @@ -258,6 +271,37 @@ jsimd_rgb_gray_convert(j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf, JDIMENSION output_row, int num_rows) { + void (*neonfct) (JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); + + switch (cinfo->in_color_space) { + case JCS_EXT_RGB: + neonfct = jsimd_extrgb_gray_convert_neon; + break; + case JCS_EXT_RGBX: + case JCS_EXT_RGBA: + neonfct = jsimd_extrgbx_gray_convert_neon; + break; + case JCS_EXT_BGR: + neonfct = jsimd_extbgr_gray_convert_neon; + break; + case JCS_EXT_BGRX: + case JCS_EXT_BGRA: + neonfct = jsimd_extbgrx_gray_convert_neon; + break; + case JCS_EXT_XBGR: + case JCS_EXT_ABGR: + neonfct = jsimd_extxbgr_gray_convert_neon; + break; + case JCS_EXT_XRGB: + case JCS_EXT_ARGB: + neonfct = jsimd_extxrgb_gray_convert_neon; + break; + default: + neonfct = jsimd_extrgb_gray_convert_neon; + break; + } + + neonfct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); } GLOBAL(void) |