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sub: remove "inaccurate" code path

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The "accurate" one always has been enabled, and I can't find much
evidence that the "inaccurate" one is much faster on my particular
machine anyway.
This commit is contained in:
wm4 2015-12-24 17:08:02 +01:00
parent 3973a953df
commit a042dcc700
1 changed files with 0 additions and 10 deletions
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10
sub/draw_bmp.c
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@ -64,7 +64,6 @@ static bool get_sub_area(struct mp_rect bb, struct mp_image *temp,
struct sub_bitmap *sb, struct mp_image *out_area,
int *out_src_x, int *out_src_y);
#define ACCURATE
#define CONDITIONAL
static void blend_const16_alpha(void *dst, int dst_stride, uint16_t srcp,
@ -103,13 +102,8 @@ static void blend_const8_alpha(void *dst, int dst_stride, uint16_t srcp,
if (!srcap)
continue;
#endif
#ifdef ACCURATE
srcap *= srcamul; // now 0..65025
dst_r[x] = (srcp * srcap + dst_r[x] * (65025 - srcap) + 32512) / 65025;
#else
srcap = (srcap * srcamul + 255) >> 8;
dst_r[x] = (srcp * srcap + dst_r[x] * (255 - srcap) + 255) >> 8;
#endif
}
}
}
@ -161,11 +155,7 @@ static void blend_src8_alpha(void *dst, int dst_stride, void *src,
if (!srcap)
continue;
#endif
#ifdef ACCURATE
dst_r[x] = (src_r[x] * srcap + dst_r[x] * (255 - srcap) + 127) / 255;
#else
dst_r[x] = (src_r[x] * srcap + dst_r[x] * (255 - srcap) + 255) >> 8;
#endif
}
}
}