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Re: [Public WebGL] Promote ASTC extension to community approved now ?

Could someone please provide a conformance test for this extension? We don't have an ASTC pipeline conveniently in house.

The existing compressed texture extension tests in https://github.com/KhronosGroup/WebGL under conformance/extensions/ should be a good starting point. Chrome already has this extension implemented behind the --enable-webgl-draft-extensions flag. We're basically waiting for a test to be able to validate the implementation and give a thumbs up.



On Thu, Nov 10, 2016 at 2:30 PM, Christophe Riccio <christophe.riccio@unity3d.com> wrote:
There quite a few Android http://opengles.gpuinfo.org/gles_listreports.php?extension=GL_KHR_texture_compression_astc_ldr. and iOS (with PowerVR 6XT chips) mobile devices with ASTC support.

But yes, I don't believe there is any web browser exposing ASTC. I think that would be a great first step.

On Thu, Nov 10, 2016 at 11:29 AM, Florian Bösch <pyalot@gmail.com> wrote:
I did not record any device/webgl implementation exposing the ASTC extension (expected for draft extensions). The Samsung S7 lists astc support (though it seems to be spread across 3 extensions and one that isn't in the ES registry). Desktop linux driver for nvidia does not expose astc. iOS does not have astc.

Since draft extensions are not exposed by default, I can't quantify what the current implementation status across platforms and UA vendors is. Could the UA vendors (apple, google, microsoft, mozilla) respectively comment on:
  1. What their implementation status is (and across which platforms)
  2. How well supported ASTC currently is on devices they see (by usage)
  3. If the spec is final