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Improved init_row_map routine

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Dimitris Panokostas 2017-01-21 21:20:38 +01:00
parent c20e080244
commit ccd65acb1f
1 changed files with 22 additions and 7 deletions
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29
src/drawing.cpp
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@ -70,8 +70,6 @@ bool aga_mode; /* mirror of chipset_mask & CSMASK_AGA */
coordinates have a lower resolution (i.e. we're shrinking the image). */
static int res_shift;
extern SDL_Surface *prSDLScreen;
/* Lookup tables for dual playfields. The dblpf_*1 versions are for the case
that playfield 1 has the priority, dbplpf_*2 are used if playfield 2 has
priority. If we need an array for non-dual playfield mode, it has no number. */
@ -1662,13 +1660,30 @@ static void pfield_doline (int lineno)
void init_row_map (void)
{
int i, j;
static uae_u8 *oldbufmem;
static int oldheight, oldpitch;
int i, j;
j = 0;
for (i = gfxvidinfo.outheight; i < MAX_VIDHEIGHT + 1; i++)
row_map[i] = row_tmp;
for (i = 0; i < gfxvidinfo.outheight; i++, j += gfxvidinfo.rowbytes)
// if (gfxvidinfo.outheight > MAX_VIDHEIGHT)
// {
// write_log(_T("Resolution too hight, aborting\n"));
// abort();
// }
if (oldbufmem && oldbufmem == gfxvidinfo.bufmem &&
oldheight == gfxvidinfo.outheight &&
oldpitch == gfxvidinfo.rowbytes)
return;
j = oldheight == 0 ? MAX_VIDHEIGHT : oldheight;
for (i = gfxvidinfo.outheight; i < MAX_VIDHEIGHT + 1 && i < j + 1; i++)
row_map[i] = row_tmp;
for (i = 0, j=0; i < gfxvidinfo.outheight; i++, j += gfxvidinfo.rowbytes)
row_map[i] = gfxvidinfo.bufmem + j;
oldbufmem = gfxvidinfo.bufmem;
oldheight = gfxvidinfo.outheight;
oldpitch = gfxvidinfo.rowbytes;
}
static void init_aspect_maps (void)