[Bug 93936] Snail shadertoy displays black quad

https://bugs.freedesktop.org/show_bug.cgi?id=93936

Bug ID: 93936 Summary: Snail shadertoy displays black quad Product: Mesa Version: 11.0 Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: Drivers/Gallium/r600 Assignee: dri-devel@lists.freedesktop.org Reporter: pavol@klacansky.com QA Contact: dri-devel@lists.freedesktop.org

The following shader displays black quad on AMD 3650 Mobility. I used Firefox 44.

https://www.shadertoy.com/view/ld3Gz2h