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llvmpipe: Implement saturation.

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This commit is contained in:
José Fonseca
2009-08-19 09:34:53 +01:00
parent 39352b3443
commit 7926b42d41
1 changed files with 7 additions and 2 deletions
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src/gallium/drivers/llvmpipe/lp_bld_tgsi_soa.c
+7 -2
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@@ -199,12 +199,17 @@ emit_store(
break;
case TGSI_SAT_ZERO_ONE:
/* assert( 0 ); */
value = lp_build_max(&bld->base, value, bld->base.zero);
value = lp_build_min(&bld->base, value, bld->base.one);
break;
case TGSI_SAT_MINUS_PLUS_ONE:
assert( 0 );
value = lp_build_max(&bld->base, value, lp_build_const_uni(bld->base.type, -1.0));
value = lp_build_min(&bld->base, value, bld->base.one);
break;
default:
assert(0);
}
switch( reg->DstRegister.File ) {