Re: Color Depth

• Subject: Re: Color Depth
• From: Gabriele de Simone <email@hidden>
• Date: Thu, 19 Jan 2006 16:34:51 -0500
• Delivered-to: email@hidden
• Delivered-to: email@hidden

Can you clarify this? I understood Core Image supports floating point
rendering on the graphics card but what you're saying is that Quartz
Composer only supports 8 bit textures so we can't use this
capabililty.

Core Image internally computes everything in floating-point, whatever
the precision of the inputs images.

However, when QC draws the final result of a CI filter chain either
to the screen (which is 8 bits anyway) or to a buffer for export
(e.g. NSImage), it is converted to 8 bits.

Thanks
Gabe

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