X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Flight.c;h=f37d1f216fc94796212de3ea1d1f2375903727ca;hb=d960a0621d65ae9977efe9bbb51dce9e1571b114;hp=92d8a0ae0d4c7dfca11dfb2bd4b35062b593c20b;hpb=caf8010652f77e7687c0a3b7c267ba49d0a24d74;p=mesa.git

diff --git a/src/mesa/main/light.c b/src/mesa/main/light.c
index 92d8a0ae0d4..f37d1f216fc 100644
--- a/src/mesa/main/light.c
+++ b/src/mesa/main/light.c
@@ -1,8 +1,8 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5.3
+ * Version:  7.0
  *
- * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -1117,6 +1117,13 @@ compute_light_positions( GLcontext *ctx )
 	 }
 	 light->_VP_inf_spot_attenuation = 1.0;
       }
+      else {
+         /* positional light w/ homogeneous coordinate, divide by W */
+         GLfloat wInv = (GLfloat)1.0 / light->_Position[3];
+         light->_Position[0] *= wInv;
+         light->_Position[1] *= wInv;
+         light->_Position[2] *= wInv;
+      }
 
       if (light->_Flags & LIGHT_SPOT) {
 	 if (ctx->_NeedEyeCoords) {
@@ -1350,6 +1357,7 @@ _mesa_init_lighting( GLcontext *ctx )
    /* Miscellaneous */
    ctx->Light._NeedEyeCoords = GL_FALSE;
    ctx->_NeedEyeCoords = GL_FALSE;
+   ctx->_ForceEyeCoords = GL_FALSE;
    ctx->_ModelViewInvScale = 1.0;
 }