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Thread: AMD R600g Now Does TBO, UBO & Advertises GLSL 1.40

  1. #31
    Join Date
    Oct 2012
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    Quote Originally Posted by curaga View Post
    GS are usually a speed drop, not an increase
    Not if you count "not running" as 0fps and running at all as something larger than 0 ;>

  2. #32
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    Feb 2008
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    Absolutely. Though, I have yet to come up with a good use for geometry shaders, but I may just lack imagination.

  3. #33
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    Jan 2009
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    I think the coolest feature of geometry shaders is layered rendering and it has a lot of applications. Layered rendering means rendering to several texture layers (slices of a 3D texture, faces of a cubemap) or viewports at once, that is with only one DrawElements call. The geometry shaders can choose/change the layer or viewport before emitting a new primitive. (BTW the viewport selection is provided by a separate extension)

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