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- only return DWORD aligned addresses in openings because the 3D floor code stores floating point values in there which cannot be accessed on platforms with strict alignment rules.

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This commit is contained in:
Christoph Oelckers 2016-05-11 12:04:41 +02:00
parent 220255e6a4
commit 0726a88ab9
1 changed files with 2 additions and 0 deletions
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2
src/r_segs.cpp
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@ -2352,6 +2352,7 @@ void R_CheckDrawSegs ()
ptrdiff_t R_NewOpening (ptrdiff_t len)
{
ptrdiff_t res = lastopening;
len = (len + 1) & ~1; // only return DWORD aligned addresses because some code stores fixed_t's and floats in openings...
lastopening += len;
if ((size_t)lastopening > maxopenings)
{
@ -2512,6 +2513,7 @@ void R_StoreWallRange (int start, int stop)
if(sidedef->GetTexture(side_t::mid).isValid())
ds_p->bFakeBoundary |= 4; // it is also mid texture
// note: This should never have used the openings array to store its data!
ds_p->maskedtexturecol = R_NewOpening ((stop - start) * 2);
ds_p->swall = R_NewOpening ((stop - start) * 2);