Appended the proper OpenGL constants to Javadoc for BlendMode.

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8154 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/material/RenderState.java

@@ -140,27 +140,27 @@ public class RenderState implements Cloneable, Savable {
         /**
          * Additive blending. For use with glows and particle emitters.
          * <p>
-         * Result = Source Color + Destination Color
+         * Result = Source Color + Destination Color -> (GL_ONE, GL_ONE)
          */
         Additive,
         /**
          * Premultiplied alpha blending, for use with premult alpha textures.
          * <p>
-         * Result = Source Color + (Dest Color * (1 - Source Alpha) )
+         * Result = Source Color + (Dest Color * (1 - Source Alpha) ) -> (GL_ONE, GL_ONE_MINUS_SRC_ALPHA)
          */
         PremultAlpha,
         /**
          * Additive blending that is multiplied with source alpha.
          * For use with glows and particle emitters.
          * <p>
-         * Result = (Source Alpha * Source Color) + Dest Color
+         * Result = (Source Alpha * Source Color) + Dest Color -> (GL_SRC_ALPHA, GL_ONE)
          */
         AlphaAdditive,
         /**
          * Color blending, blends in color from dest color
          * using source color.
          * <p>
-         * Result = Source Color + (1 - Source Color) * Dest Color
+         * Result = Source Color + (1 - Source Color) * Dest Color -> (GL_ONE, GL_ONE_MINUS_SRC_COLOR)
          */
         Color,
         /**
@@ -168,19 +168,19 @@ public class RenderState implements Cloneable, Savable {
          * using source alpha.
          * <p>
          * Result = Source Alpha * Source Color +
-         *          (1 - Source Alpha) * Dest Color
+         *          (1 - Source Alpha) * Dest Color -> (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
          */
         Alpha,
         /**
          * Multiplies the source and dest colors.
          * <p>
-         * Result = Source Color * Dest Color
+         * Result = Source Color * Dest Color -> (GL_DST_COLOR, GL_ZERO)
          */
         Modulate,
         /**
          * Multiplies the source and dest colors then doubles the result.
          * <p>
-         * Result = 2 * Source Color * Dest Color
+         * Result = 2 * Source Color * Dest Color -> (GL_DST_COLOR, GL_SRC_COLOR)
          */
         ModulateX2
     }