Mesa (mesa_7_6_branch): swrast: fix typo in partial derivatives parameter passing

[Brian Paul]

Module: Mesa
Branch: mesa_7_6_branch
Commit: ad935c3f4708417641dd3c257912ccce11485acc
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=ad935c3f4708417641dd3c257912ccce11485acc

Author: Brian Paul <brianp at vmware.com>
Date:   Wed Sep 23 12:54:14 2009 -0600

swrast: fix typo in partial derivatives parameter passing

---

 src/mesa/swrast/s_fragprog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/mesa/swrast/s_fragprog.c b/src/mesa/swrast/s_fragprog.c
index b71fb9e..144f78b 100644
--- a/src/mesa/swrast/s_fragprog.c
+++ b/src/mesa/swrast/s_fragprog.c
@@ -108,7 +108,7 @@ fetch_texel_deriv( GLcontext *ctx, const GLfloat texcoord[4],
 
       lambda = _swrast_compute_lambda(texdx[0], texdy[0], /* ds/dx, ds/dy */
                                       texdx[1], texdy[1], /* dt/dx, dt/dy */
-                                      texdx[3], texdy[2], /* dq/dx, dq/dy */
+                                      texdx[3], texdy[3], /* dq/dx, dq/dy */
                                       texW, texH,
                                       texcoord[0], texcoord[1], texcoord[3],
                                       1.0F / texcoord[3]) + lodBias;