Mesa (gallium-0.2): nv40: apply ABS modifier to RSQ source in vp

[Ben Skeggs]

Module: Mesa
Branch: gallium-0.2
Commit: 10e0129dbc70194d54c31ef3b97766b9b69c2442
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=10e0129dbc70194d54c31ef3b97766b9b69c2442

Author: Ben Skeggs <skeggsb at gmail.com>
Date:   Tue Dec 16 17:34:04 2008 +1100

nv40: apply ABS modifier to RSQ source in vp

Gallium used to do this for us :)

---

 src/gallium/drivers/nv40/nv40_vertprog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/gallium/drivers/nv40/nv40_vertprog.c b/src/gallium/drivers/nv40/nv40_vertprog.c
index ff988e6..1392fe9 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);