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- /* depthcue.sl - Standard depthcue volume shader for RenderMan Interface.
- * (c) Copyright 1988, Pixar.
- *
- * The RenderMan (R) Interface Procedures and RIB Protocol are:
- * Copyright 1988, 1989, Pixar. All rights reserved.
- * RenderMan (R) is a registered trademark of Pixar.
- */
-
- volume k3d_depthcue(float mindistance = 0, maxdistance = 1;
- color background = 0;)
- {
- float d;
-
- d = clamp((depth(P) - mindistance) / (maxdistance - mindistance), 0, 1);
- Ci = mix(Ci, background, d);
- }
-