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Improve scaling.

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Using a or has the same effect, but avoids a conditional.
This commit is contained in:
Mark de Wever 2012-03-17 07:56:51 +00:00
parent d7508852c7
commit 007b65a25a
1 changed files with 2 additions and 2 deletions
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4
src/sdl_utils.cpp
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@ -374,7 +374,7 @@ scale_surface_down(surface& dst, const surface& src, const int w_dst, const int
if(a_sum) {
const int adjustment = (a_sum + (a_sum > 1)) >> 1;
const int adjustment = (a_sum | 1) >> 1;
r_sum += adjustment;
g_sum += adjustment;
b_sum += adjustment;
@ -385,7 +385,7 @@ scale_surface_down(surface& dst, const surface& src, const int w_dst, const int
assert(samples == (x_src_next - x_src) * (y_src_next - y_src));
if(samples != 1) {
a_sum += (samples + 1) >> 1;
a_sum += (samples | 1) >> 1;
a_sum /= samples;
}
}