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Enabling LFB on ViRGE disables VGA bitplanar functionality.

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RctFll command now aborts if height is zero.
Helps BeOS.
This commit is contained in:
TomW 2015-05-03 16:12:32 +01:00
commit 736eab845a
1 changed files with 5 additions and 1 deletions
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6
src/vid_s3_virge.c
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@ -629,9 +629,13 @@ static void s3_virge_updatemapping(virge_t *virge)
}
else
mem_mapping_set_addr(&virge->linear_mapping, virge->linear_base, virge->linear_size);
svga->fb_only = 1;
}
else
{
mem_mapping_disable(&virge->linear_mapping);
svga->fb_only = 0;
}
pclog("Memory mapped IO %02X\n", svga->crtc[0x53] & 0x18);
if (svga->crtc[0x53] & 0x10) /*Old MMIO*/
@ -1596,7 +1600,7 @@ static void s3_virge_bitblt(virge_t *virge, int count, uint32_t cpu_dat)
virge->s3d.rop, virge->s3d.dest_base);*/
}
while (count)
while (count && virge->s3d.h)
{
uint32_t dest_addr = virge->s3d.dest_base + (virge->s3d.dest_x * x_mul) + (virge->s3d.dest_y * virge->s3d.dest_str);
uint32_t source = 0, dest, pattern = virge->s3d.pat_fg_clr;