From dfb5a43bf0d357d6c16ba87c7863ea171f1415f2 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 28 Apr 2009 08:43:21 +0000
Subject: [PATCH] Add attr_colorscale

---
 panda/src/gobj/shader.cxx | 11 +++++++++++
 panda/src/gobj/shader.h   |  1 +
 2 files changed, 12 insertions(+)

diff --git a/panda/src/gobj/shader.cxx b/panda/src/gobj/shader.cxx
index fa409c050f..f37392cdea 100755
--- a/panda/src/gobj/shader.cxx
+++ b/panda/src/gobj/shader.cxx
@@ -652,6 +652,17 @@ compile_parameter(const ShaderArgId  &arg_id,
       bind._arg[0] = NULL;
       bind._part[1] = SMO_identity;
       bind._arg[1] = NULL;
+    } else if (pieces[1] == "colorscale") {
+      if (!cp_errchk_parameter_float(p,3,4)) {
+        return false;
+      }
+      bind._id = arg_id;
+      bind._piece = SMP_row3;
+      bind._func = SMF_first;
+      bind._part[0] = SMO_attr_colorscale;
+      bind._arg[0] = NULL;
+      bind._part[1] = SMO_identity;
+      bind._arg[1] = NULL;
     } else {
       cp_report_error(p,"Unknown attr parameter.");
       return false;
diff --git a/panda/src/gobj/shader.h b/panda/src/gobj/shader.h
index 08c9c7254d..076d7429ec 100755
--- a/panda/src/gobj/shader.h
+++ b/panda/src/gobj/shader.h
@@ -71,6 +71,7 @@ public:
     
     SMO_attr_material,
     SMO_attr_color,
+    SMO_attr_colorscale,
     
     SMO_alight_x,
     SMO_dlight_x,