diff options
Diffstat (limited to 'gfx/cairo/libpixman/src/pixman-combine16.c')
| -rw-r--r-- | gfx/cairo/libpixman/src/pixman-combine16.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/gfx/cairo/libpixman/src/pixman-combine16.c b/gfx/cairo/libpixman/src/pixman-combine16.c deleted file mode 100644 index 9ba439fe5b..0000000000 --- a/gfx/cairo/libpixman/src/pixman-combine16.c +++ /dev/null @@ -1,114 +0,0 @@ -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <math.h> -#include <string.h> - -#include "pixman-private.h" - -#include "pixman-combine32.h" - -static force_inline uint32_t -combine_mask (const uint32_t src, const uint32_t mask) -{ - uint32_t s, m; - - m = mask >> A_SHIFT; - - if (!m) - return 0; - s = src; - - UN8x4_MUL_UN8 (s, m); - - return s; -} - -static void -combine_src_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - if (!mask) - memcpy (dest, src, width * sizeof (uint16_t)); - else - { - uint16_t *d = (uint16_t*)dest; - uint16_t *src16 = (uint16_t*)src; - for (i = 0; i < width; ++i) - { - if ((*mask & 0xff000000) == 0xff000000) { - // it's likely worth special casing - // fully opaque because it avoids - // the cost of conversion as well the multiplication - *(d + i) = *src16; - } else { - // the mask is still 32bits - uint32_t s = combine_mask (convert_0565_to_8888(*src16), *mask); - *(d + i) = convert_8888_to_0565(s); - } - mask++; - src16++; - } - } - -} - -static void -combine_over_u (pixman_implementation_t *imp, - pixman_op_t op, - uint32_t * dest, - const uint32_t * src, - const uint32_t * mask, - int width) -{ - int i; - - if (!mask) - memcpy (dest, src, width * sizeof (uint16_t)); - else - { - uint16_t *d = (uint16_t*)dest; - uint16_t *src16 = (uint16_t*)src; - for (i = 0; i < width; ++i) - { - if ((*mask & 0xff000000) == 0xff000000) { - // it's likely worth special casing - // fully opaque because it avoids - // the cost of conversion as well the multiplication - *(d + i) = *src16; - } else if ((*mask & 0xff000000) == 0x00000000) { - // keep the dest the same - } else { - // the mask is still 32bits - uint32_t s = combine_mask (convert_0565_to_8888(*src16), *mask); - uint32_t ia = ALPHA_8 (~s); - uint32_t d32 = convert_0565_to_8888(*(d + i)); - UN8x4_MUL_UN8_ADD_UN8x4 (d32, ia, s); - *(d + i) = convert_8888_to_0565(d32); - } - mask++; - src16++; - } - } - -} - - -void -_pixman_setup_combiner_functions_16 (pixman_implementation_t *imp) -{ - int i; - for (i = 0; i < PIXMAN_N_OPERATORS; i++) { - imp->combine_16[i] = NULL; - } - imp->combine_16[PIXMAN_OP_SRC] = combine_src_u; - imp->combine_16[PIXMAN_OP_OVER] = combine_over_u; -} - |