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If the texture image changed force emitting the texture address, even 

if it didn't change. This seems to flush texture cashes. Fixes
multi-textured lighting in quake2.
This commit is contained in:
Felix Kuehling 2005-03-09 15:28:47 +00:00
parent 5737fda093
commit 746df56717
1 changed files with 10 additions and 2 deletions
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12
src/mesa/drivers/dri/savage/savagestate.c
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@ -1445,8 +1445,16 @@ static void savageEmitChangedRegChunk (savageContextPtr imesa,
}
static void savageUpdateRegister_s4(savageContextPtr imesa)
{
/* the savage4 uses the contiguous range of BCI registers 0x1e-0x39
* 0x1e-0x27 are local, no need to check them for global changes */
/* In case the texture image was changed without changing the
* texture address as well, we need to force emitting the texture
* address in order to flush texture cashes. */
if ((imesa->dirty & SAVAGE_UPLOAD_TEX0) &&
imesa->oldRegs.s4.texAddr[0].ui == imesa->regs.s4.texAddr[0].ui)
imesa->oldRegs.s4.texAddr[0].ui = 0xffffffff;
if ((imesa->dirty & SAVAGE_UPLOAD_TEX1) &&
imesa->oldRegs.s4.texAddr[1].ui == imesa->regs.s4.texAddr[1].ui)
imesa->oldRegs.s4.texAddr[1].ui = 0xffffffff;
savageEmitChangedRegs (imesa, 0x1e, 0x39);
imesa->dirty=0;