1448632 - WebGL Path Tracing not works @ COLOR_ATTACHMENT0 has an effective format of RGB32F

Status: RESOLVED DUPLICATE of bug 1481717

(Core :: Graphics: CanvasWebGL, defect, P3)

Description

[Zéfling]

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:61.0) Gecko/20100101 Firefox/61.0
Build ID: 20180324230458

Steps to reproduce:

This demo not works on Firefox, but it's ok with Chromium
http://madebyevan.com/webgl-path-tracing/

Debian 8 / GeForce 770 GTX / Nightly


Actual results:

In console :

Error: WebGL warning: drawArrays: Framebuffer not complete. (status: 0x8cd6) COLOR_ATTACHMENT0 has an effective format of RGB32F, which is not renderable 
Error: WebGL warning: drawArrays: Framebuffer must be complete. 
Error: WebGL warning: drawArrays: This operation requires zeroing texture data. This is slow.

Comment 1

[Adrian Florinescu [:aflorinescu]]

I reproduced the issue on ubuntu 16.04, Windows 10 x64, Osx 10.12 with Firefox 59.0.2 20180323154952, Firefox 61.0a1 20180327220126 and FF 52.7.3 20180322140748. 
Based on the demo and error messages, as initial triage, this bug seems to belong to Canvas WebGl.

[Notes:]
1. The issue doesn't seem related to video card/manufacturerer
2. On Ubuntu 16.04 using integrated video card, the demo didn't work on Chrome either, although for the rest of configurations tested demo was working in Chrome while it didn't in FF.

Comment 2

[Kelsey Gilbert [:jgilbert]]

RGB32F is not guaranteed to work. If neither RGBA32F nor RGB32F work, I would consider that a bug. Otherwise this is not a bug.