From 83006b933b2337abac312bd133d4593608838792 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 28 Apr 2009 09:03:35 +0000
Subject: [PATCH] Add attr_colorscale

---
 panda/src/display/graphicsStateGuardian.cxx | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/panda/src/display/graphicsStateGuardian.cxx b/panda/src/display/graphicsStateGuardian.cxx
index 815098290c..c0302a3578 100644
--- a/panda/src/display/graphicsStateGuardian.cxx
+++ b/panda/src/display/graphicsStateGuardian.cxx
@@ -1001,6 +1001,15 @@ fetch_specified_part(Shader::ShaderMatInput part, InternalName *name, LMatrix4f
     t = LMatrix4f(0,0,0,0,0,0,0,0,0,0,0,0,c[0],c[1],c[2],c[3]);
     return &t;
   }
+  case Shader::SMO_attr_colorscale: {
+    const ColorScaleAttrib *target_color = DCAST(ColorScaleAttrib, _target_rs->get_attrib_def(ColorScaleAttrib::get_class_slot()));
+    if (target_color->is_identity()) {
+      return &LMatrix4f::ones_mat();
+    }
+    LVecBase4f cs = target_color->get_scale();
+    t = LMatrix4f(0,0,0,0,0,0,0,0,0,0,0,0,cs[0],cs[1],cs[2],cs[3]);
+    return &t;
+  }
   case Shader::SMO_alight_x: {
     const NodePath &np = _target_shader->get_shader_input_nodepath(name);
     nassertr(!np.is_empty(), &LMatrix4f::zeros_mat());