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Voodoo only writes to depth buffer when depth buffering enabled, regardless of whether depth writes are enabled or not

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V2 clipping coordinates are 12 bits, instead of 10 as on Voodoo Graphics.
V2 block width is 6 bits long.
Battlezone now works at 1024x768 on Voodoo 2.
This commit is contained in:
SarahW 2017-02-05 16:34:59 +00:00
commit e6b4f88065
3 changed files with 26 additions and 8 deletions
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2
src/vid_voodoo_codegen_x86.h
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@ -2972,7 +2972,7 @@ static inline void voodoo_generate(uint8_t *code_block, voodoo_t *voodoo, voodoo
addbyte(0x56);
}
if (params->fbzMode & FBZ_DEPTH_WMASK)
if ((params->fbzMode & (FBZ_DEPTH_WMASK | FBZ_DEPTH_ENABLE)) == (FBZ_DEPTH_WMASK | FBZ_DEPTH_ENABLE))
{
addbyte(0x66); /*MOV AX, new_depth*/
addbyte(0x8b);