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Voodoo 2D blitter now marks destination areas as dirty when writing to the front buffer. Fixes FMV in Urban Chaos.

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This commit is contained in:
SarahW 2018-04-17 17:17:39 +01:00
commit 7644c771de
1 changed files with 16 additions and 2 deletions
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18
src/vid_voodoo.c
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@ -4129,15 +4129,29 @@ static void blit_data(voodoo_t *voodoo, uint32_t data)
{ {
int src_bits = 32; int src_bits = 32;
uint32_t base_addr = (voodoo->bltCommand & BLTCMD_DST_TILED) ? ((voodoo->bltDstBaseAddr & 0x3ff) << 12) : (voodoo->bltDstBaseAddr & 0x3ffff8); uint32_t base_addr = (voodoo->bltCommand & BLTCMD_DST_TILED) ? ((voodoo->bltDstBaseAddr & 0x3ff) << 12) : (voodoo->bltDstBaseAddr & 0x3ffff8);
uint32_t addr;
uint16_t *dst; uint16_t *dst;
if ((voodoo->bltCommand & BLIT_COMMAND_MASK) != BLIT_COMMAND_CPU_TO_SCREEN) if ((voodoo->bltCommand & BLIT_COMMAND_MASK) != BLIT_COMMAND_CPU_TO_SCREEN)
return; return;
if (SLI_ENABLED) if (SLI_ENABLED)
dst = (uint16_t *)&voodoo->fb_mem[base_addr + (voodoo->blt.dst_y >> 1) * voodoo->blt.dst_stride]; {
addr = base_addr + (voodoo->blt.dst_y >> 1) * voodoo->blt.dst_stride;
dst = (uint16_t *)&voodoo->fb_mem[addr];
}
else else
dst = (uint16_t *)&voodoo->fb_mem[base_addr + voodoo->blt.dst_y*voodoo->blt.dst_stride]; {
addr = base_addr + voodoo->blt.dst_y*voodoo->blt.dst_stride;
dst = (uint16_t *)&voodoo->fb_mem[addr];
}
if (addr >= voodoo->front_offset && voodoo->row_width)
{
int y = (addr - voodoo->front_offset) / voodoo->row_width;
if (y < voodoo->v_disp)
voodoo->dirty_line[y] = 2;
}
while (src_bits && voodoo->blt.cur_x <= voodoo->blt.size_x) while (src_bits && voodoo->blt.cur_x <= voodoo->blt.size_x)
{ {