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ari556655

OpenGL drop shadow blending

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I'm trying to add drop shadow to my in-game windowing system, by creating the gradient drop shadow by hand in photoshop and then drawing it beneath the graphical window. The problem is I can't figure out the proper opengl blending function, any suggestions?

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Quote:
Original post by ari556655
I'm trying to add drop shadow to my in-game windowing system, by creating the gradient drop shadow by hand in photoshop and then drawing it beneath the graphical window. The problem is I can't figure out the proper opengl blending function, any suggestions?


Have you tried multiply? That should be zero and source color, respectively.

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