[Public WebGL] Rendering to HDR displays (10bits per color component)

Florian Bösch [email protected]
Thu Jul 12 06:16:41 PDT 2018


I know there where experiments with having a software defined rasterizer,
but it was so slow it's just not feasible.

On Thu, Jul 12, 2018 at 3:14 PM, Florian Bösch <[email protected]> wrote:

> On Thu, Jul 12, 2018 at 3:08 PM, Javi Agenjo <[email protected]>
> wrote:
>
>> so it should be possible by GPU manufacturers to add support for 10bits
>> front/back buffers just by updating the drivers.
>>
>
> I'm not sure about that. You're assuming that the HW-acc rasterizer is
> able to switch to different numerical formats depending on storage buffer
> setting. However afaik the HW-acc rasterizer is essentially a fixed chunk
> of silicone with very few logical path bits in it, and it might simply not
> have the data lanes available for each pixel to be of higher precision and
> only offer 24 lanes for the transport of pixel values.
>
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