diff options
| author | Matt Turner <mattst88@gmail.com> | 2012-05-17 23:29:51 -0400 |
|---|---|---|
| committer | Matt Turner <mattst88@gmail.com> | 2012-05-26 20:32:27 -0400 |
| commit | d551dc049498d17ab879fd67d47508cafaaede06 (patch) | |
| tree | 1678b6109bec3d4d7f8a366690dd8accb7afcdbc | |
| parent | f8dc0e98343c7936a37a3624721c5782e7ac309c (diff) | |
fast: add add_0565_0565 function
I'll need this code for header and tail alignment loops in MMX, so I
might as well implement a fast path here.
| -rw-r--r-- | pixman/pixman-fast-path.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/pixman/pixman-fast-path.c b/pixman/pixman-fast-path.c index 0a134eda..e79b0697 100644 --- a/pixman/pixman-fast-path.c +++ b/pixman/pixman-fast-path.c @@ -810,6 +810,48 @@ fast_composite_add_8_8 (pixman_implementation_t *imp, } static void +fast_composite_add_0565_0565 (pixman_implementation_t *imp, + pixman_composite_info_t *info) +{ + PIXMAN_COMPOSITE_ARGS (info); + uint16_t *dst_line, *dst; + uint32_t d; + uint16_t *src_line, *src; + uint32_t s; + int dst_stride, src_stride; + int32_t w; + + PIXMAN_IMAGE_GET_LINE (src_image, src_x, src_y, uint16_t, src_stride, src_line, 1); + PIXMAN_IMAGE_GET_LINE (dest_image, dest_x, dest_y, uint16_t, dst_stride, dst_line, 1); + + while (height--) + { + dst = dst_line; + dst_line += dst_stride; + src = src_line; + src_line += src_stride; + w = width; + + while (w--) + { + s = *src++; + if (s) + { + d = *dst; + s = CONVERT_0565_TO_8888 (s); + if (d) + { + d = CONVERT_0565_TO_8888 (d); + UN8x4_ADD_UN8x4 (s, d); + } + *dst = CONVERT_8888_TO_0565 (s); + } + dst++; + } + } +} + +static void fast_composite_add_8888_8888 (pixman_implementation_t *imp, pixman_composite_info_t *info) { @@ -1836,6 +1878,8 @@ static const pixman_fast_path_t c_fast_paths[] = PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, a8b8g8r8, fast_composite_over_8888_8888), PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, x8b8g8r8, fast_composite_over_8888_8888), PIXMAN_STD_FAST_PATH (OVER, a8b8g8r8, null, b5g6r5, fast_composite_over_8888_0565), + PIXMAN_STD_FAST_PATH (ADD, r5g6b5, null, r5g6b5, fast_composite_add_0565_0565), + PIXMAN_STD_FAST_PATH (ADD, b5g6r5, null, b5g6r5, fast_composite_add_0565_0565), PIXMAN_STD_FAST_PATH (ADD, a8r8g8b8, null, a8r8g8b8, fast_composite_add_8888_8888), PIXMAN_STD_FAST_PATH (ADD, a8b8g8r8, null, a8b8g8r8, fast_composite_add_8888_8888), PIXMAN_STD_FAST_PATH (ADD, a8, null, a8, fast_composite_add_8_8), |