2 files changed, 23 insertions, 0 deletions
diff --git a/src/net/java/joglutils/msg/elements/GLShaderElement.java b/src/net/java/joglutils/msg/elements/GLShaderElement.java
index a7abbc6..cf28c97 100644
--- a/src/net/java/joglutils/msg/elements/GLShaderElement.java
+++ b/src/net/java/joglutils/msg/elements/GLShaderElement.java
@@ -36,9 +36,12 @@
 
 package net.java.joglutils.msg.elements;
 
+import java.util.*;
+
 import javax.media.opengl.*;
 import javax.media.opengl.glu.*;
 
+import net.java.joglutils.msg.math.*;
 import net.java.joglutils.msg.misc.*;
 import net.java.joglutils.msg.nodes.*;
 
@@ -87,6 +90,17 @@ public class GLShaderElement extends ShaderElement {
     }
     if (curShader != null) {
       curShader.enable();
+
+      // FIXME: the following is a big hack...
+      Map<String, Vec4f> fMap = shader.getUniformfMap();
+      if (!fMap.isEmpty()) {
+        for (String name : fMap.keySet()) {
+          Vec4f val = fMap.get(name);
+          //curShader.setUniform(name, val.x(), val.y(), val.z(), val.w());
+	  curShader.setUniform(name, val.x());
+          fMap.clear();
+        }
+      }
     }
   }
 }
diff --git a/src/net/java/joglutils/msg/nodes/ShaderNode.java b/src/net/java/joglutils/msg/nodes/ShaderNode.java
index 73154ee..ab9ea60 100644
--- a/src/net/java/joglutils/msg/nodes/ShaderNode.java
+++ b/src/net/java/joglutils/msg/nodes/ShaderNode.java
@@ -45,6 +45,7 @@ import javax.media.opengl.*;
 
 import net.java.joglutils.msg.actions.*;
 import net.java.joglutils.msg.elements.*;
+import net.java.joglutils.msg.math.*;
 import net.java.joglutils.msg.misc.*;
 
 /** Represents a vertex/fragment shader. */
@@ -78,6 +79,14 @@ public class ShaderNode extends Node {
       this.fragmentShaderCode = fragmentShaderCode;
   }
 
+  private Map<String, Vec4f> fMap = new HashMap<String, Vec4f>();
+  public void setUniform(String name, float val) {
+    fMap.put(name, new Vec4f(val, val, val, val));
+  }
+  public Map<String, Vec4f> getUniformfMap() {
+    return fMap;
+  }
+
   /** Fetches the Shader object associated with this ShaderNode.
       It is required to call this each frame during rendering.
       An OpenGL context must be current at the time this method is