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Thomas, 2008-06-18, "Character version 2.0"
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#20
RE: Thomas, 2008-06-18, "Character version 2.0"

OH OH OH! I get what you're saying.

In your step 2, you're rendering the light geometry, not shadow-specific geometry

Quote:"2. Render the shadow casting light (using light geometry: sphere, cone, etc) to scene and use shadow map from #1 to calculate occlusion."

Yes, now I see, you project the gBuffer onto the cone, calculate light and then mix that with a "shadowing" texture that had been forward rendered. What I'm trying to convey is that the shadow map has a g-buffer of it's own in the form of the "shadowCoordinate" texture, which does not end up looking black and white, but more rainbow colored like a normal or position buffer. This way the lighting and the shadowing coud be drawn on the exact same piece of geometry (and in the same pass I guess if you really wanted to, but that would make for some shader bloat).
07-01-2008, 02:29 PM
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