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Optimize fade_screen_black(). 49 --> 54 fps for test scene.

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git-svn-id: https://svn.eduke32.com/eduke32@2407 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-03-04 20:13:01 +00:00
parent 823d37fb51
commit bb5f118985
1 changed files with 11 additions and 5 deletions
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16
polymer/eduke32/build/src/engine.c
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@ -2332,14 +2332,20 @@ void fade_screen_black(int32_t moreopaquep)
} }
else else
{ {
int32_t i;
const int32_t shiftamnt = ((!!moreopaquep)*8);
assert(!offscreenrendering); assert(!offscreenrendering);
begindrawing(); begindrawing();
for (i=0; i<xdim*ydim; i++) {
((uint8_t *)frameplace)[i] = transluc[(((uint8_t *)frameplace)[i])<<shiftamnt]; char *const p = (char *)frameplace;
const char *const trans = transluc;
const int32_t shiftamnt = ((!!moreopaquep)*8);
const int32_t dimprod = xdim*ydim;
int32_t i;
for (i=0; i<dimprod; i++)
p[i] = trans[p[i]<<shiftamnt];
}
enddrawing(); enddrawing();
} }
} }