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Move some draw segment functions to r_draw_segment

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This commit is contained in:
Magnus Norddahl 2016-12-29 01:06:24 +01:00
parent de896920b4
commit b615b1b497
4 changed files with 31 additions and 44 deletions
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29
src/swrenderer/scene/r_draw_segment.cpp
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@ -46,4 +46,33 @@ namespace swrenderer
ds_p = drawsegs; ds_p = drawsegs;
} }
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)
{
do
maxopenings = maxopenings ? maxopenings * 2 : 16384;
while ((size_t)lastopening > maxopenings);
openings = (short *)M_Realloc(openings, maxopenings * sizeof(*openings));
DPrintf(DMSG_NOTIFY, "MaxOpenings increased to %zu\n", maxopenings);
}
return res;
}
void R_CheckDrawSegs()
{
if (ds_p == &drawsegs[MaxDrawSegs])
{ // [RH] Grab some more drawsegs
size_t newdrawsegs = MaxDrawSegs ? MaxDrawSegs * 2 : 32;
ptrdiff_t firstofs = firstdrawseg - drawsegs;
drawsegs = (drawseg_t *)M_Realloc(drawsegs, newdrawsegs * sizeof(drawseg_t));
firstdrawseg = drawsegs + firstofs;
ds_p = drawsegs + MaxDrawSegs;
MaxDrawSegs = newdrawsegs;
DPrintf(DMSG_NOTIFY, "MaxDrawSegs increased to %zu\n", MaxDrawSegs);
}
}
} }

2
src/swrenderer/scene/r_draw_segment.h
View file

@ -40,4 +40,6 @@ namespace swrenderer
extern size_t FirstInterestingDrawseg; extern size_t FirstInterestingDrawseg;
void R_ClearDrawSegs(); void R_ClearDrawSegs();
void R_CheckDrawSegs();
ptrdiff_t R_NewOpening(ptrdiff_t len);
} }

40
src/swrenderer/scene/r_segs.cpp
View file

@ -1542,46 +1542,6 @@ void R_NewWall (bool needlights)
} }
} }
//
// R_CheckDrawSegs
//
void R_CheckDrawSegs ()
{
if (ds_p == &drawsegs[MaxDrawSegs])
{ // [RH] Grab some more drawsegs
size_t newdrawsegs = MaxDrawSegs ? MaxDrawSegs*2 : 32;
ptrdiff_t firstofs = firstdrawseg - drawsegs;
drawsegs = (drawseg_t *)M_Realloc (drawsegs, newdrawsegs * sizeof(drawseg_t));
firstdrawseg = drawsegs + firstofs;
ds_p = drawsegs + MaxDrawSegs;
MaxDrawSegs = newdrawsegs;
DPrintf (DMSG_NOTIFY, "MaxDrawSegs increased to %zu\n", MaxDrawSegs);
}
}
//
// R_CheckOpenings
//
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)
{
do
maxopenings = maxopenings ? maxopenings*2 : 16384;
while ((size_t)lastopening > maxopenings);
openings = (short *)M_Realloc (openings, maxopenings * sizeof(*openings));
DPrintf (DMSG_NOTIFY, "MaxOpenings increased to %zu\n", maxopenings);
}
return res;
}
// //
// R_StoreWallRange // R_StoreWallRange
// A wall segment will be drawn between start and stop pixels (inclusive). // A wall segment will be drawn between start and stop pixels (inclusive).

4
src/swrenderer/scene/r_segs.h
View file

@ -45,10 +45,6 @@ inline int R_CreateWallSegmentY(short *outbuf, double z, const FWallCoords *wall
void PrepWall (float *swall, fixed_t *lwall, double walxrepeat, int x1, int x2); void PrepWall (float *swall, fixed_t *lwall, double walxrepeat, int x1, int x2);
void PrepLWall (fixed_t *lwall, double walxrepeat, int x1, int x2); void PrepLWall (fixed_t *lwall, double walxrepeat, int x1, int x2);
ptrdiff_t R_NewOpening (ptrdiff_t len);
void R_CheckDrawSegs ();
void R_RenderSegLoop (); void R_RenderSegLoop ();
extern float swall[MAXWIDTH]; extern float swall[MAXWIDTH];