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Fixed missing transparency on upscaled textures

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Textures with diagonal patterns were treated as opaque after resizing
Images upscaled by hqNx were affected mostly by this issue

http://forum.drdteam.org/viewtopic.php?f=24&t=5370
http://zandronum.com/tracker/view.php?id=269
http://zandronum.com/tracker/view.php?id=315
This commit is contained in:
alexey.lysiuk 2014-09-07 11:52:51 +03:00
parent 816999109e
commit e29fce6951
1 changed files with 1 additions and 1 deletions
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2
src/gl/textures/gl_texture.cpp
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@ -558,7 +558,7 @@ bool FTexture::SmoothEdges(unsigned char * buffer,int w, int h)
l1+=4;
for(x=1;x<w-1;x++, l1+=4)
{
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(-1) && !CHKPIX(1)) CHKPIX(w);
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(-1) && !CHKPIX(1) && !CHKPIX(-w-1) && !CHKPIX(-w+1) && !CHKPIX(w-1) && !CHKPIX(w+1)) CHKPIX(w);
}
if (l1[MSB]==0 && !CHKPIX(-w) && !CHKPIX(-1)) CHKPIX(w);
l1+=4;