From: Christoph Bumiller <e0425955@student.tuwien.ac.at>
Date: Wed, 16 Feb 2011 10:57:00 +0000 (+0100)
Subject: nvc0: fix emit_dfdx,dfdy
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3f1361e060822c369f3b375bc695c9e65db59c29;p=mesa.git

nvc0: fix emit_dfdx,dfdy
---

diff --git a/src/gallium/drivers/nvc0/nvc0_pc_emit.c b/src/gallium/drivers/nvc0/nvc0_pc_emit.c
index b2a80566a02..c10f920e6f1 100644
--- a/src/gallium/drivers/nvc0/nvc0_pc_emit.c
+++ b/src/gallium/drivers/nvc0/nvc0_pc_emit.c
@@ -479,6 +479,7 @@ emit_ddx(struct nv_pc *pc, struct nv_instruction *i)
 {
    i->quadop = 0x99;
    i->lanes = 4;
+   i->src[1] = i->src[0];
    emit_quadop(pc, i);
 }
 
@@ -487,6 +488,7 @@ emit_ddy(struct nv_pc *pc, struct nv_instruction *i)
 {
    i->quadop = 0xa5;
    i->lanes = 5;
+   i->src[1] = i->src[0];
    emit_quadop(pc, i);
 }