1 files changed, 78 insertions, 0 deletions
diff --git a/engine/src/core-effects/com/jme3/post/filters/GammaCorrectionFilter.java b/engine/src/core-effects/com/jme3/post/filters/GammaCorrectionFilter.java
new file mode 100644
index 0000000..9e283ca
--- /dev/null
+++ b/engine/src/core-effects/com/jme3/post/filters/GammaCorrectionFilter.java
@@ -0,0 +1,78 @@
+package com.jme3.post.filters;
+
+import com.jme3.asset.AssetManager;
+import com.jme3.material.Material;
+import com.jme3.post.Filter;
+import com.jme3.renderer.RenderManager;
+import com.jme3.renderer.ViewPort;
+
+/**
+ * 
+ * @author Phate666
+ * @version 1.0 initial version
+ * @version 1.1 added luma
+ */
+public class GammaCorrectionFilter extends Filter
+{
+	private float gamma = 2.0f;
+	private boolean computeLuma = false;
+
+	public GammaCorrectionFilter()
+	{
+		super("GammaCorrectionFilter");
+	}
+
+	public GammaCorrectionFilter(float gamma)
+	{
+		this();
+		this.setGamma(gamma);
+	}
+
+	@Override
+	protected Material getMaterial()
+	{
+		return material;
+	}
+
+	@Override
+	protected void initFilter(AssetManager manager,
+			RenderManager renderManager, ViewPort vp, int w, int h)
+	{
+		material = new Material(manager,
+				"Common/MatDefs/Post/GammaCorrection.j3md");
+		material.setFloat("gamma", gamma);
+		material.setBoolean("computeLuma", computeLuma);
+	}
+
+	public float getGamma()
+	{
+		return gamma;
+	}
+
+	/**
+	 * set to 0.0 to disable gamma correction
+	 * @param gamma
+	 */
+	public void setGamma(float gamma)
+	{
+		if (material != null)
+		{
+			material.setFloat("gamma", gamma);
+		}
+		this.gamma = gamma;
+	}
+
+	public boolean isComputeLuma()
+	{
+		return computeLuma;
+	}
+
+	public void setComputeLuma(boolean computeLuma)
+	{
+		if (material != null)
+		{
+			material.setBoolean("computeLuma", computeLuma);
+		}
+		this.computeLuma = computeLuma;
+	}
+}