From: Ben Skeggs <skeggsb@gmail.com>
Date: Tue, 16 Dec 2008 06:34:04 +0000 (+1100)
Subject: nv40: apply ABS modifier to RSQ source in vp
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=10e0129dbc70194d54c31ef3b97766b9b69c2442;p=mesa.git

nv40: apply ABS modifier to RSQ source in vp

Gallium used to do this for us :)
---

diff --git a/src/gallium/drivers/nv40/nv40_vertprog.c b/src/gallium/drivers/nv40/nv40_vertprog.c
index ff988e6a5f4..1392fe956f7 100644
--- a/src/gallium/drivers/nv40/nv40_vertprog.c
+++ b/src/gallium/drivers/nv40/nv40_vertprog.c
@@ -571,7 +571,7 @@ nv40_vertprog_parse_instruction(struct nv40_vpc *vpc,
 	case TGSI_OPCODE_RET:
 		break;
 	case TGSI_OPCODE_RSQ:
-		arith(vpc, 1, OP_RSQ, dst, mask, none, none, src[0]);
+		arith(vpc, 1, OP_RSQ, dst, mask, none, none, abs(src[0]));
 		break;
 	case TGSI_OPCODE_SGE:
 		arith(vpc, 0, OP_SGE, dst, mask, src[0], src[1], none);