Hey, I’m working on a project that uses the following filter. shadowGenerator.filter = ShadowGenerator.FILTER_PCF On PC it works great, but on certain mobiles (a Samsung mobile particularly) I’m getting some errors. BJS - [16:47:04]: Error: FRAGMENT SHADER 0:148: S0032: no default precision defi…

Thank you all for your replies, and from Evgeni_Popov has said I’ve realized that if you search for webgl_4aeb46af4241331f this error has been reported a few times :(. In case anybody else finds this thread, seems like the best way to deal with it is this… Regarding how to deal with the problem: …

Hi Chris_Rollinson, I’m not an expert on this, but it does look like some of our shaders include precision designations and some don’t. @Evgeni_Popov , could that be what’s causing the errors Chris is seeing?

Due to the name of the parameter in the error it looks like a driver / angle bug on those devices… Unfortunately you could open a Chromium bug or a Samsung one to see if they could fix it.

We already had this kind of error in the past: [image] Contact hardening shadow error in chrome x android Bugs Unfortunately, it looks like a driver issue slight_smile babylon.js:16 BJS - [17:49:17]: Error: FRAGMENT SHADER 0:97: S0032: no default precision defined for par…

Mobile shadows (PCF filter)

Questions

Evgeni_Popov July 2, 2021, 11:02pm 4

We already had this kind of error in the past:

Topic		Replies	Views
PCF and PCSS on mobile Bugs	14	1537	August 2, 2021
Contact hardening shadow error in chrome x android Bugs	5	1138	May 5, 2020
Cascaded shadows on chrome canary Questions	6	1611	October 29, 2021
[Babylon.JS 4.0.3] Error: ERROR: 0:616: 'sampler2DShadow' : No precision specified Bugs	9	976	June 28, 2022
Warning with shadows and PCF Bugs	8	1291	May 14, 2021

Mobile shadows (PCF filter)

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