From c12d24b513a67648c30bf892964f887fad71e103 Mon Sep 17 00:00:00 2001
From: Brian Paul <brianp@vmware.com>
Date: Wed, 14 Jan 2009 11:50:32 -0700
Subject: mesa: fix incorrect transformation of GL_SPOT_DIRECTION

This was changed between GL 1.0 and 1.1.  Mesa still had the 1.0 behaviour.
---
 src/mesa/main/light.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/mesa/main/light.c')

diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 10ee088a2d..ce50224d30 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -208,7 +208,8 @@ _mesa_Lightfv( GLenum light, GLenum pname, const GLfloat *params )
       if (_math_matrix_is_dirty(ctx->ModelviewMatrixStack.Top)) {
 	 _math_matrix_analyse(ctx->ModelviewMatrixStack.Top);
       }
-      TRANSFORM_NORMAL(temp, params, ctx->ModelviewMatrixStack.Top->inv);
+      TRANSFORM_DIRECTION(temp, params, ctx->ModelviewMatrixStack.Top->m);
+      NORMALIZE_3FV(temp);
       params = temp;
       break;
    case GL_SPOT_EXPONENT:
-- 
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