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[sw] Fix 16 and 32 bit alias model rendering

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Intel asm needs testing still, but C is working nicely.
This commit is contained in:
Bill Currie 2022-03-09 16:56:36 +09:00
parent 6377734e32
commit 747494c03a
1 changed files with 20 additions and 7 deletions
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27
libs/video/renderer/sw/d_polyse.c
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@ -43,7 +43,7 @@ int ubasestep, errorterm, erroradjustup, erroradjustdown;
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct spanpackage_s {
void *pdest;
int pdest;
short *pz;
int count;
byte *ptex;
@ -94,7 +94,8 @@ int d_aspancount, d_countextrastep;
spanpackage_t *a_spans;
spanpackage_t *d_pedgespanpackage;
static int ystart;
byte *d_pdest, *d_ptex;
int d_pdest;
byte *d_ptex;
short *d_pz;
int d_sfrac, d_tfrac, d_light, d_zi;
int d_ptexextrastep, d_sfracextrastep;
@ -617,7 +618,7 @@ polyset_draw_spans_8 (spanpackage_t * pspanpackage)
}
if (lcount) {
lpdest = pspanpackage->pdest;
lpdest = d_viewbuffer + pspanpackage->pdest;
lptex = pspanpackage->ptex;
lpz = pspanpackage->pz;
lsfrac = pspanpackage->sfrac;
@ -686,7 +687,7 @@ polyset_draw_spans_16 (spanpackage_t * pspanpackage)
if (lcount)
{
lpdest = (short *) pspanpackage->pdest;
lpdest = (short *) d_viewbuffer + pspanpackage->pdest;
lptex = pspanpackage->ptex;
lpz = pspanpackage->pz;
lsfrac = pspanpackage->sfrac;
@ -771,7 +772,7 @@ polyset_draw_spans_32 (spanpackage_t * pspanpackage)
if (lcount)
{
lpdest = (int *) pspanpackage->pdest;
lpdest = (int *) d_viewbuffer + pspanpackage->pdest;
lptex = pspanpackage->ptex;
lpz = pspanpackage->pz;
lsfrac = pspanpackage->sfrac;
@ -874,7 +875,13 @@ D_RasterizeAliasPolySmooth (void)
d_pdestbasestep = screenwidth + ubasestep;
d_pdestextrastep = d_pdestbasestep + 1;
d_pdest = (byte *) d_viewbuffer + ystart * screenwidth + plefttop[0];
#ifdef USE_INTEL_ASM
if (sw_ctx->pixbytes == 1) {
d_pdest = (int) d_viewbuffer + ystart * screenwidth + plefttop[0];
} else
#endif
d_pdest = ystart * screenwidth + plefttop[0];
d_pz = d_pzbuffer + ystart * d_zwidth + plefttop[0];
// TODO: can reuse partial expressions here
@ -940,7 +947,13 @@ D_RasterizeAliasPolySmooth (void)
d_pdestbasestep = screenwidth + ubasestep;
d_pdestextrastep = d_pdestbasestep + 1;
d_pdest = (byte *) d_viewbuffer + ystart * screenwidth + plefttop[0];
#ifdef USE_INTEL_ASM
if (sw_ctx->pixbytes == 1) {
d_pdest = (int) d_viewbuffer + ystart * screenwidth + plefttop[0];
} else
#endif
d_pdest = ystart * screenwidth + plefttop[0];
#ifdef USE_INTEL_ASM
d_pzbasestep = (d_zwidth + ubasestep) << 1;
d_pzextrastep = d_pzbasestep + 2;