[1.21.1] Fix blur effect rendered at high z with depth test breaking subsequent rendering of screen elements

[XFactHD]

This PR fixes the blur effect breaking screen rendering when a lot of HUD layers are present and the blur effect is applied after drawing the dark half-transparent background.

Fixes #1504

[neoforged-pr-publishing]

• Publish PR to GitHub Packages

Last commit published: 8b59e9795ed285039bcb61dc85ea25d07d026cf1.

PR Publishing

The artifacts published by this PR:

• 📦 net.neoforged:testframework:21.1.86-pr-1741-blur_depth_test
• 📦 net.neoforged:neoforge:21.1.86-pr-1741-blur_depth_test

Repository Declaration

In order to use the artifacts published by the PR, add the following repository to your buildscript:

repositories {
    maven {
        name 'Maven for PR #1741' // https://github.com/neoforged/NeoForge/pull/1741
        url 'https://prmaven.neoforged.net/NeoForge/pr1741'
        content {
            includeModule('net.neoforged', 'testframework')
            includeModule('net.neoforged', 'neoforge')
        }
    }
}

MDK installation

In order to setup a MDK using the latest PR version, run the following commands in a terminal.
The script works on both *nix and Windows as long as you have the JDK bin folder on the path.
The script will clone the MDK in a folder named NeoForge-pr1741.
On Powershell you will need to remove the -L flag from the curl invocation.

mkdir NeoForge-pr1741
cd NeoForge-pr1741
curl -L https://prmaven.neoforged.net/NeoForge/pr1741/net/neoforged/neoforge/21.1.86-pr-1741-blur_depth_test/mdk-pr1741.zip -o mdk.zip
jar xf mdk.zip
rm mdk.zip || del mdk.zip

To test a production environment, you can download the installer from here.

[neoforged-releases]

🚀 This PR has been released as NeoForge version 21.1.84.