Water is not obscured by large invisible prims on graphics settings "Low", "Low/Mid", "Mid"

[katerynamproductengine]

Environment

Second Life Release 7.1.11.11074622243 (64bit) Release Notes

You are at 162.9, 76.2, 23.8 in Bug Island 2 located at simhost-0ad04c4bcce5e167c.agni
SLURL: http://maps.secondlife.com/secondlife/Bug%20Island%202/163/76/24
(global coordinates 260515.0, 249420.0, 23.8)
Second Life Server 2024-09-13.10853867644
Release Notes

CPU: Intel(R) Core(TM) i5-8210Y CPU @ 1.60GHz (1600 MHz)
Memory: 16384 MB
OS Version: macOS 13.6.9 Darwin 22.6.0 Darwin Kernel Version 22.6.0: Mon Jun 24 01:25:37 PDT 2024; root:xnu-8796.141.3.706.2~1/RELEASE_X86_64 x86_64
Graphics Card Vendor: Intel Inc.
Graphics Card: Intel(R) UHD Graphics 617

OpenGL Version: 4.1 INTEL-20.7.2

Window size: 862x783
Font Size Adjustment: 96pt
UI Scaling: 1
Draw distance: 64m
Bandwidth: 3000kbit/s
LOD factor: 1.125
Render quality: 0
Texture memory: 1536MB
Disk cache: Max size 1638.4 MB (4.3% used)
HiDPI display mode:

J2C Decoder Version: KDU v7.10.4
Audio Driver Version: OpenAL, version 1.1 ALSOFT 1.23.1 / OpenAL Community / OpenAL Soft: OpenAL Soft
Dullahan: 1.14.0.202408091638
CEF: 118.4.1+g3dd6078+chromium-118.0.5993.54
Chromium: 118.0.5993.54
LibVLC Version: 3.0.21
Voice Server Version: Vivox 4.10.0000.32327.5fc3fe7c.5942f08

Packets Lost: 3/46163 (0.0%)
October 04 2024 06:01:25

Reproduction steps

1. Log into the viewer on Agni grid at the location: http://maps.secondlife.com/secondlife/Bug%20Island%202/163/76/24 and face Northwest.
2. Set graphics settings to “Low”, “Low/Mid “ or “Mid”.
3. Observe the environment (the water and objects).

Actual result: Water is not obscured by large invisible prims on graphics settings "Low", "Low/Mid", "Mid".
Actual screenshot:

Low:

Low/Mid:

Mid:

Expected result: Water is obscured by large invisible prims on graphics settings "Low", "Low/Mid", "Mid".
Expected screenshot:

Low:

Low/Mid:

Mid:

Additional information:
This issue was found in the scope of IQA #353 during Environment Rendering conformity test -> Sky and water tests -> Test12/Test13/Test14 (https://lindenlab.atlassian.net/wiki/x/oIGaL).
This issue is reproduced on Win10/OSX.
This issue is reproduced on the current release 7.1.10.10800445603 build.

[Dan-Linden]

Update the test plan. ALM cannot be disabled. Invisiprims are dead dead dead.

[Dan-Linden]

undead