Vulkan PostFX

VulkanPostFX 1.6.0+mc26.2-snapshot2-2026-04-29

This update fixes and stabilizes the shadow rendering pipeline for Minecraft 26.2 Snapshot 2 on the Vulkan backend.

Added

• Working shadow depth generation.
• vulkanpostfx:shadow_depth injection into the post-processing chain.
• ShadowDepthSampler access for external shader packs.
• Dedicated terrain shadow pass support.
• Debug/probe support for validating shadow depth output.

Fixed

• Fixed shadow depth not being written correctly.
• Fixed post effects not receiving usable shadow depth data.
• Fixed reversed-Z depth handling for the Vulkan shadow pass.
• Fixed depth clear / depth compare mismatch in the shadow pipeline.
• Fixed custom shadow terrain pipeline issues that prevented valid caster submission.

Changed

• Reworked shadow pass state setup for the Vulkan backend.
• Improved shadow depth validation workflow.
• Improved internal shadow pass logging and debugging behavior.

Notes

This is primarily a shadow pipeline repair release. Projection tuning, bias, filtering, and final visual polish will continue in later versions.