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Reimplement pixel doubling by taking the upper left pixel of each 2x2 block.

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This obviously won't help performance as the scene has still to be drawn at
the original resolution, but it's better than the draw-to-tile hack.

git-svn-id: https://svn.eduke32.com/eduke32@3378 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2013-01-06 18:56:34 +00:00
parent a959b998bd
commit 28d05e3fdd
1 changed files with 26 additions and 8 deletions
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34
polymer/eduke32/source/game.c
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@ -3538,7 +3538,7 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
const int32_t vr = divscale22(1,sprite[p->i].yrepeat+28); const int32_t vr = divscale22(1,sprite[p->i].yrepeat+28);
const int32_t software_screen_tilting = const int32_t software_screen_tilting =
(getrendermode() == REND_CLASSIC && ((ud.screen_tilting && p->rotscrnang && !g_fakeMultiMode) || !ud.detail)); (getrendermode() == REND_CLASSIC && ((ud.screen_tilting && p->rotscrnang && !g_fakeMultiMode)));
if (!r_usenewaspect) if (!r_usenewaspect)
{ {
@ -3588,8 +3588,8 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
// If the view is rotated (not 0 or 180 degrees modulo 360 degrees), // If the view is rotated (not 0 or 180 degrees modulo 360 degrees),
// we render onto a square tile and display a portion of that // we render onto a square tile and display a portion of that
// rotated on-screen later on. // rotated on-screen later on.
const int32_t viewtilexsiz = ((tang&1023) ? tiltcx : tiltcy)>>(int)!ud.detail; const int32_t viewtilexsiz = (tang&1023) ? tiltcx : tiltcy;
const int32_t viewtileysiz = tiltcx>>(int)!ud.detail; const int32_t viewtileysiz = tiltcx;
walock[TILE_TILT] = 255; walock[TILE_TILT] = 255;
if (waloff[TILE_TILT] == 0) if (waloff[TILE_TILT] == 0)
@ -3601,8 +3601,8 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
if ((tang&1023) == 512) if ((tang&1023) == 512)
{ {
//Block off unscreen section of 90ø tilted screen //Block off unscreen section of 90ø tilted screen
j = ((tiltcx-(60*tiltcs))>>(int)!ud.detail); j = tiltcx-(60*tiltcs);
for (i=((60*tiltcs)>>(int)!ud.detail)-1; i>=0; i--) for (i=(60*tiltcs)-1; i>=0; i--)
{ {
startumost[i] = 1; startumost[i] = 1;
startumost[i+j] = 1; startumost[i+j] = 1;
@ -3850,15 +3850,33 @@ void G_DrawRooms(int32_t snum, int32_t smoothratio)
if (i > 256) if (i > 256)
i = 512-i; i = 512-i;
i = sintable[i+512]*8 + sintable[i]*5; i = sintable[i+512]*8 + sintable[i]*5;
if (ud.detail) i >>= tiltcs; // JBF 20030807
i >>= 1;
i >>= (tiltcs-1); // JBF 20030807
rotatesprite_win(160<<16,100<<16,i,tang+512,TILE_TILT,0,0,4+2+64); rotatesprite_win(160<<16,100<<16,i,tang+512,TILE_TILT,0,0,4+2+64);
walock[TILE_TILT] = 199; walock[TILE_TILT] = 199;
} }
} }
if (!ud.detail && getrendermode()==REND_CLASSIC && ((xdim|ydim)&1)==0)
{
begindrawing();
{
uint8_t *const f = (uint8_t *)frameplace;
int32_t x, y;
for (x=0; x<xdim; x+=2)
for (y=0; y<ydim; y+=2)
{
const int32_t yl0 = ylookup[y];
const int32_t yl1 = ylookup[y+1];
uint8_t newpal = f[yl0+x];
f[yl0+x] = f[yl0+x+1] = f[yl1+x] = f[yl1+x+1] = newpal;
}
}
enddrawing();
}
G_RestoreInterpolations(); G_RestoreInterpolations();
if (totalclock < lastvisinc) if (totalclock < lastvisinc)