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Temporarily added the older 8bpp highres render for the Matrox Millennium.

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This commit is contained in:
TC1995
2023-12-16 20:21:57 +01:00
parent e4696aa2e9
commit 1df37c2440
2 changed files with 84 additions and 0 deletions
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1
src/include/86box/vid_svga_render.h
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@@ -53,6 +53,7 @@ extern void svga_render_4bpp_lowres(svga_t *svga);
extern void svga_render_4bpp_highres(svga_t *svga);
extern void svga_render_8bpp_lowres(svga_t *svga);
extern void svga_render_8bpp_highres(svga_t *svga);
extern void svga_render_8bpp_incompatible_highres(svga_t *svga);
extern void svga_render_8bpp_tseng_lowres(svga_t *svga);
extern void svga_render_8bpp_tseng_highres(svga_t *svga);
extern void svga_render_8bpp_gs_lowres(svga_t *svga);

83
src/video/vid_svga_render.c
View File

@@ -665,6 +665,89 @@ void svga_render_4bpp_highres(svga_t *svga) { svga_render_indexed_gfx(svga, true
void svga_render_8bpp_lowres(svga_t *svga) { svga_render_indexed_gfx(svga, false, true); }
void svga_render_8bpp_highres(svga_t *svga) { svga_render_indexed_gfx(svga, true, true); }
void
svga_render_8bpp_incompatible_highres(svga_t *svga)
{
int x;
uint32_t *p;
uint32_t dat;
uint32_t changed_addr;
uint32_t addr;
if ((svga->displine + svga->y_add) < 0)
return;
if (svga->force_old_addr) {
if (svga->changedvram[svga->ma >> 12] || svga->changedvram[(svga->ma >> 12) + 1] || svga->fullchange) {
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
svga->lastline_draw = svga->displine;
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
dat = *(uint32_t *) (&svga->vram[svga->ma & svga->vram_display_mask]);
p[0] = svga->map8[dat & 0xff];
p[1] = svga->map8[(dat >> 8) & 0xff];
p[2] = svga->map8[(dat >> 16) & 0xff];
p[3] = svga->map8[(dat >> 24) & 0xff];
dat = *(uint32_t *) (&svga->vram[(svga->ma + 4) & svga->vram_display_mask]);
p[4] = svga->map8[dat & 0xff];
p[5] = svga->map8[(dat >> 8) & 0xff];
p[6] = svga->map8[(dat >> 16) & 0xff];
p[7] = svga->map8[(dat >> 24) & 0xff];
svga->ma += 8;
p += 8;
}
svga->ma &= svga->vram_display_mask;
}
} else {
changed_addr = svga->remap_func(svga, svga->ma);
if (svga->changedvram[changed_addr >> 12] || svga->changedvram[(changed_addr >> 12) + 1] || svga->fullchange) {
p = &svga->monitor->target_buffer->line[svga->displine + svga->y_add][svga->x_add];
if (svga->firstline_draw == 2000)
svga->firstline_draw = svga->displine;
svga->lastline_draw = svga->displine;
if (!svga->remap_required) {
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 8) {
dat = *(uint32_t *) (&svga->vram[svga->ma & svga->vram_display_mask]);
p[0] = svga->map8[dat & 0xff];
p[1] = svga->map8[(dat >> 8) & 0xff];
p[2] = svga->map8[(dat >> 16) & 0xff];
p[3] = svga->map8[(dat >> 24) & 0xff];
dat = *(uint32_t *) (&svga->vram[(svga->ma + 4) & svga->vram_display_mask]);
p[4] = svga->map8[dat & 0xff];
p[5] = svga->map8[(dat >> 8) & 0xff];
p[6] = svga->map8[(dat >> 16) & 0xff];
p[7] = svga->map8[(dat >> 24) & 0xff];
svga->ma += 8;
p += 8;
}
} else {
for (x = 0; x <= (svga->hdisp /* + svga->scrollcache*/); x += 4) {
addr = svga->remap_func(svga, svga->ma);
dat = *(uint32_t *) (&svga->vram[addr & svga->vram_display_mask]);
p[0] = svga->map8[dat & 0xff];
p[1] = svga->map8[(dat >> 8) & 0xff];
p[2] = svga->map8[(dat >> 16) & 0xff];
p[3] = svga->map8[(dat >> 24) & 0xff];
svga->ma += 4;
p += 4;
}
}
svga->ma &= svga->vram_display_mask;
}
}
}
// TODO: Integrate more of this into the generic paletted renderer --GM
#if 0
void