better opengl support detection

[totaam]

Issue migrated from trac ticket # 2204

component: client | priority: major | resolution: fixed

2019-03-12 02:55:10: antoine created the issue

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Based on #2203 and #1994, we should:

• do a test using transparency
• trap any exceptions thrown and fail the driver

[totaam]

2019-03-20 16:07:59: antoine changed status from new to closed

[totaam]

2019-03-20 16:07:59: antoine set resolution to fixed

[totaam]

2019-03-20 16:07:59: antoine commented

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Done in: r22160, r22161, r22162, r22163, r22164, r22165 + r22166.

(some will be backported)

Follow up in #2230.

[totaam]

2019-03-21 14:11:34: antoine commented

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Updates:

• r22197 silence some GTK warnings
• r22198 skip re-doing the full window rendering test when we already have a 'probe-success' response