1117301 - [e10s] http://get.webgl.org/ shakes. and not animated

Status: RESOLVED WORKSFORME

(Core :: Graphics: CanvasWebGL, defect)

Description

[Alice0775 White]

The problem happens only e10s window. 
Similar to Bug 1109718, but different regression range.

Steps to Reproduce:
1. Open e10 window
2. Open http://get.webgl.org/

Regression window
Good:
https://hg.mozilla.org/integration/mozilla-inbound/rev/68aa6c741e27
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0 ID:20141227210313
Bad:
https://hg.mozilla.org/integration/mozilla-inbound/rev/8d5da151b0df
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0 ID:20141227211230
Pushlog:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=68aa6c741e27&tochange=8d5da151b0df

Regressed by: 
8d5da151b0df	Jeff Muizelaar — Bug 1112780. Recreate the RenderTargetView on demand. r=jgilbert This avoids reusing the RenderTargetView across AcquireSync/ReleaseSync pairs and fixes bug 1109718. It adds a ReleaseSync call to ANGLE that causes it to invalidate the RenderTargetView.

Comment 1

[Alice0775 White]

Graphics
--------

Adapter Description: AMD Radeon HD 6450
Adapter Drivers: aticfx64 aticfx64 aticfx64 aticfx32 aticfx32 aticfx32 atiumd64 atidxx64 atidxx64 atiumdag atidxx32 atidxx32 atiumdva atiumd6a atitmm64
Adapter RAM: 1024
ClearType Parameters: Gamma: 2200 Pixel Structure: R ClearType Level: 100 Enhanced Contrast: 200
Device ID: 0x6779
Direct2D Enabled: true
DirectWrite Enabled: true (6.2.9200.16571)
Driver Date: 11-20-2014
Driver Version: 14.501.1003.0
GPU #2 Active: false
GPU Accelerated Windows: 1/1 Direct3D 11 (OMTC)
Subsys ID: 23111787
Vendor ID: 0x1002
WebGL Renderer: Google Inc. -- ANGLE (AMD Radeon HD 6450 Direct3D11 vs_5_0 ps_5_0)
windowLayerManagerRemote: true
AzureCanvasBackend: direct2d 1.1
AzureContentBackend: direct2d 1.1
AzureFallbackCanvasBackend: cairo
AzureSkiaAccelerated: 0

Comment 2

[Alice0775 White]

I can verify the problem was fixed by bug 1116190.
https://hg.mozilla.org/mozilla-central/rev/4d91c33b351c
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:37.0) Gecko/20100101 Firefox/37.0 ID:20150106075343