[MC-28561] Z-Fighting when a sign is placed on top of another sign

If you place a sign directly on top of another sign then there will be z-fighting at the base of the top sign's post.

Steps to Reproduce:

Summon a sign that's on top of another sign.

/fill ~ ~ ~ ~ ~1 ~ minecraft:oak_sign

Look at where the signs come in contact with one another and move your mouse cursor around slowly.

Observed Behavior:
Z-fighting can be seen when signs are placed on top of other signs.

Expected Behavior:
Z-fighting would not be able to be seen when signs are placed on top of other signs.

Related issues

is duplicated by

MC-102595 Z-Fighting Sign

MC-132223 z-fighting when I place sign on sign

MC-175003 signs have overlapping textures

MC-201161 signs mix

MC-219110 Signs have Z-fighting when are placed on top of each other.

MC-259846 Bamboo sign block model Z-fighting

MC-297460 Sings stacked on top of eachother make the textures overlap

relates to

MC-136695 Z-fighting when a chest lid intersects another chest

MC-62982 Banners can be stacked, causing Z-Fighting on the back and on the sides

MC-157547 Z-Fighting between sign and block

MC-130709 Grass and tall grass z-fight when touching at certain angles

Attachments

MC-28561.mp4

Comments

migrated 2013-08-13T16:49:17Z

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migrated 2013-08-13T17:10:35Z

Confirmed.

migrated 2014-03-05T17:26:02Z

Still a concern in 1.7.4/5 and 14w08a

migrated 2014-03-15T20:44:14Z

Confirmed for 14w10c and 14w11b

migrated 2014-04-25T14:07:49Z

Confirmed for 14w17a

migrated 2014-04-30T11:49:39Z

Confirmed for 14w18a

migrated 2014-06-22T18:48:25Z

Confirmed for 14w25b.

wobst.michael 2015-10-31T20:04:55Z

Confirmed for 15w44b.

migrated 2015-11-18T19:38:19Z

Affects 15w47a

SunCat 2016-02-24T12:11:51Z

Confirmed for 1.9-pre2

migrated 2016-05-26T09:45:23Z

Confirmed for 16w21a

migrated 2016-05-26T13:08:40Z

Confirmed for 16w21b

migrated 2016-06-02T17:17:11Z

Confirmed for Pre 1.10

migrated 2016-06-07T23:51:57Z

Confirmed for Pre2 1.10

migrated 2016-06-08T17:17:09Z

Confirmed for 1.10

muzikbike 2018-05-16T16:52:14Z

Affects 18w20b

muzikbike 2018-05-17T15:05:08Z

Affects 18w20c

muzikbike 2018-05-23T14:02:56Z

Affects 18w21a

muzikbike 2018-05-26T09:04:04Z

Affects 18w21b

muzikbike 2018-05-30T01:39:36Z

Affects 18w22a

muzikbike 2018-05-31T11:08:55Z

Affects 18w22b

muzikbike 2018-05-31T17:29:02Z

Affects 18w22c

[Mod] markderickson 2020-06-30T16:13:46Z

Hi there!

Confirmed for 1.16.1. Also occurs when crimson or warped signs are stacked like this.

[Mod] markderickson 2020-07-02T16:07:50Z

Hi there!

Confirmed for 20w27a.

pulpetti 2020-07-06T18:29:23Z

Affects 1.16

Avoma 2020-12-23T11:08:26Z

Can confirm in 20w51a.

Avoma 2021-01-17T20:48:49Z

Relates to MC-62982.

Avoma 2021-02-06T12:02:50Z

Can confirm in 21w05b.

Avoma 2021-02-12T13:34:14Z

Can confirm in 21w06a.

Avoma 2021-02-18T19:25:22Z

Can confirm in 21w07a. Video attached.

Avoma 2021-03-29T12:36:30Z

Can confirm in 21w11a.

Avoma 2021-04-30T16:30:17Z

Can confirm in 21w17a.

Avoma 2021-06-17T10:39:27Z

Can confirm in 1.17.

Avoma 2021-07-13T15:50:58Z

Can confirm in 1.17.1.

Avoma 2021-10-06T10:29:19Z

Can confirm this behavior in 21w39a. Here are some extra details regarding this problem.

The Bug:

Z-fighting can be seen when signs are placed on top of other signs.

Steps to Reproduce:

Summon a sign that's on top of another sign.

/fill ~ ~ ~ ~ ~1 ~ minecraft:oak_sign

Look at where the signs come in contact with one another and move your mouse cursor around slowly.

Observed Behavior:

Z-fighting can be seen when signs are placed on top of other signs.

Expected Behavior:

Z-fighting would not be able to be seen when signs are placed on top of other signs.

ampolive 2021-10-08T00:41:13Z

Can confirm in 21w40a.

ampolive 2021-10-28T13:58:45Z

Can confirm in 21w43a.

Avoma 2021-12-08T13:01:36Z

Can confirm in 1.18.

Avoma 2022-03-30T13:33:48Z

Can confirm in 1.18.2 and 22w12a.

migrated 2022-05-01T11:54:28Z

Can confirm in 22w17a.

pulpetti 2022-05-10T19:15:03Z

In 22w18a.

NBG-bootmgr 2022-06-07T11:07:50Z

In 1.19-rc2.

Avoma 2022-06-13T12:06:31Z

Can confirm in 1.19.

Avoma 2022-09-14T19:26:26Z

Can confirm in 1.19.2.

Viradex 2024-06-11T06:16:59Z

Can confirm in 1.21 Release Candidate 1.

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