Graphics twitter, can anybody point me in the direction of generating the intersecting shape of two 2D shapes? I don't mean just detecting if two shapes intersect, but generating the intersection in the sense of constructive solid geometry.
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What about clearing alpha at the start and blending with a blend op that writes color only if alpha is set?
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The problem with these kinds of operations in general is that is gets in the way of draw order. There is a feature in Vulkan and OpenGL|ES that I might be able to leverage (pixel local storage) to do this without changing my draw order, but I'm yet uncertain. Need to try it.
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