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Disable Banshee lazy overlay update when vertical scaling enabled. Fixes

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artifacts in low resolution modes (where the lazy update has little
benefit anyway).
This commit is contained in:
SarahW 2020-11-14 11:38:04 +00:00
commit 5ae201b7e7
1 changed files with 5 additions and 6 deletions
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11
src/vid_voodoo_banshee.c
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@ -1923,13 +1923,12 @@ static void banshee_overlay_draw(svga_t *svga, int displine)
unsigned int y_coeff = (voodoo->overlay.src_y & 0xfffff) >> 4; unsigned int y_coeff = (voodoo->overlay.src_y & 0xfffff) >> 4;
int skip_filtering; int skip_filtering;
if (svga->render == svga_render_null && !svga->changedvram[src_addr >> 12] && !svga->changedvram[src_addr2 >> 12] && if (svga->render == svga_render_null &&
!svga->fullchange && !voodoo->dirty_line[voodoo->overlay.src_y >> 20]) !svga->changedvram[src_addr >> 12] && !svga->changedvram[src_addr2 >> 12] &&
!svga->fullchange && !voodoo->dirty_line[voodoo->overlay.src_y >> 20] &&
!(banshee->vidProcCfg & VIDPROCCFG_V_SCALE_ENABLE))
{ {
if (banshee->vidProcCfg & VIDPROCCFG_V_SCALE_ENABLE) voodoo->overlay.src_y += (1 << 20);
voodoo->overlay.src_y += voodoo->overlay.vidOverlayDvdy;
else
voodoo->overlay.src_y += (1 << 20);
return; return;
} }