VulkanPostFX v1.5.1

Overview

Still solving sun angle calculate problem.

VulkanPostFX v1.5.0

Overview

This release marks the transition from a runtime validation prototype to a practical authoring-ready VPFX pipeline.

The VPFX Native Pack format is now capable of:

• Loading textures from ZIP packs
• Binding them into PostFX passes
• Sampling them reliably inside shaders

This version introduces the first reference texture workflow, enabling authors to build real post-processing effects (LUT, grain, vignette) without relying on legacy shader pipelines.

Key Features

1. VPFX Native Texture Binding (First Fully Working Version)

• pack.json now supports a textures section

• Declared textures are:

  • Extracted from ZIP packs
  • Materialized into runtime resource packs
  • Registered via vpfx/textures.json
  • Bound into PostChain as TextureInput

Supported features:

• Linear / nearest filtering
• Custom texture namespace isolation
• Stable runtime binding via logical texture names

2. Runtime Texture Materialization Pipeline

A complete pipeline has been implemented:

pack.json (textures)
→ runtime textures.json
→ runtime asset generation
→ TextureInput injection
→ shader sampler binding

This ensures:

• No direct ZIP streaming during rendering
• Full compatibility with Minecraft resource system
• Deterministic reload behavior

3. Reference Texture Pack (Authoring Baseline)

A new VPFX Reference Textures Pack v1 is introduced as a minimal working example.

It demonstrates:

• LUT-based color grading
• Film grain overlay
• Vignette masking

This pack is intended as:

• A starting point for shader authors
• A validation baseline for texture input behavior
• A canonical example for documentation

4. Stable External ZIP PostChain Execution

• External PostFX chains can now be loaded from ZIP packs
• Fully integrated with runtime resource reload
• Safe switching via debug key (F8)

5. Improved Debug & Logging

• Texture materialization logs now include:

  • Runtime path
  • Resolution
  • Filtering mode

• PostChain selection and activation clearly logged

• Runtime texture manifest generation is traceable

Fixes

• Fixed invalid fullscreen vertex shader (removed dependency on external vertex attributes)
• Fixed missing texCoord varying between vertex and fragment shaders
• Fixed PostFX pipeline crashes caused by shader interface mismatch
• Fixed incorrect shader compatibility assumptions with Mojang PostPass system
• Fixed incorrect runtime capability expectations for shadow depth
• Improved safety of runtime texture binding path

Known Limitations

• shadow_depth is currently a mirrored main depth buffer (not a true shadow map)
• No multi-pass graph optimization yet
• No compute shader support
• Texture sampling is limited to PostFX passes (no material pipeline integration)

How to Use (Reference Texture Pack)

1. Install the Pack

Place the ZIP file into:

run/shaderpacks/

2. Set Active Pack

Edit the config file:

run/config/vulkanpostfx.json

Set:

{
  "active_pack_id": "vpfx_reference_textures_v1"
}

3. Launch & Toggle

• Start the game
• Press F8 to enable/disable the VPFX PostChain

4. Expected Visual Result

• Slightly warmer color tone (LUT)
• Subtle film grain
• Mild vignette at screen edges

If you see:

• Strong color shift → LUT too aggressive
• Heavy dark corners → vignette too strong

→ Adjust shader parameters or replace textures.

Authoring Notes

Texture Declaration (pack.json)

"textures": {
  "ColorLut": {
    "path": "textures/lut/day_grade.png",
    "filter": "linear"
  }
}

Shader Usage

uniform sampler2D ColorLutSampler;

Sampler naming rule:

sampler_name + "Sampler"

Post Effect Input

{
  "sampler_name": "ColorLut",
  "texture": "ColorLut"
}

Breaking Changes

• Non-VPFX ZIP packs are no longer accepted
• pack.json with format_version is now required
• Old compatibility paths (Iris / OptiFine style) are fully removed

Summary

v1.5.0 is the first version where:

• VPFX is no longer just a loader
• It becomes a usable authoring platform

This release establishes:

• A stable texture pipeline
• A reproducible runtime model
• A clear path toward advanced PostFX features

Next focus:

• Multi-pass graph expansion
• Proper shadow map support
• Built-in uniform system
• Authoring documentation (Wiki)

Vulkan PostFX 1.4.0 — VPFX Native Pack Format v1 Update

This update moves the project onto the new VPFX native pack pipeline.

Added

• Added support for VPFX Native Pack Format v1 as the primary shader pack format.
• Added native pack.json manifest parsing for VPFX packs.
• Added native post_effect/main.json graph parsing for VPFX packs.
• Added validation for VPFX graph structure, runtime capabilities, and shader resource references.
• Added native ZIP pack discovery through the VPFX loading path.
• Added runtime materialization for VPFX ZIP shader assets.
• Added runtime loading for VPFX post-effect graphs from external ZIP packs.

Changed

• Switched external ZIP shader pack discovery to the new VPFX-native loading path.
• Updated the external pack activation flow so VPFX packs can now be selected directly from config and loaded as the active pack.
• Moved the pack pipeline away from the previous wrapper-style manifest assumptions toward a stricter native format.

Fixed

• Fixed the issue where external packs could load through the old path but were not yet attached to the new native pack standard.
• Fixed ZIP pack selection so valid VPFX packs are now discovered, selected, materialized, and loaded through the main runtime path.
• Fixed external PostChain activation for VPFX packs loaded from ZIP resources.
• Fixed runtime external target expansion so vulkanpostfx:shadow_depth is available to external post chains.
• Fixed runtime PostChain bundle injection for the custom shadow depth target.

Runtime Status

The runtime now successfully:

• parses the VPFX graph,
• loads a VPFX native ZIP pack,
• selects the configured external pack,
• materializes ZIP shader assets into the runtime namespace,
• loads the external post_effect/main.json,
• resolves the external PostChain,
• and injects the runtime shadow depth target during execution.

Notes

• This release establishes the native VPFX pack standard as the main external pack path.
• VPFX is a native format for this project and is not intended to be an OptiFine or Iris compatibility layer.
• The current release is focused on native pack loading, validation, and execution bring-up.
• Visual quality and shadow behavior will continue to improve in later updates.

Known Limitations

• This is still an experimental native-pack milestone rather than a final visual-complete shader release.
• Logging is currently verbose in some runtime paths and may be reduced in future updates.
• The project is now standardized around VPFX-native packs, so older non-VPFX pack layouts are not the target path going forward.

Changelog

Verdant Light 1.3.0 Vulkan Wrapper — Experimental Update

Added

• Added support for loading external shader packs from ZIP files through the Vulkan PostFX pipeline.
• Added runtime shader pack materialization and resource pack injection for external ZIP-based shader content.
• Added support for switching the active debug/effect chain at runtime with the existing toggle workflow.
• Added an initial custom external render target path for shadow_depth.
• Added a lightweight shadow target allocation and frame synchronization path.
• Added a first-pass shadow depth mirror step from the main render target into a dedicated shadow target.
• Added runtime PostChain bundle injection for custom external targets required by experimental shadow debugging.

Changed

• Reworked the wrapper pipeline to use the new 26.2 Vulkan/PostChain model instead of legacy framebuffer-style assumptions.
• Updated the effect loading flow so external post chains can be discovered, compiled, and applied more reliably.
• Improved debug visibility by providing a visible overlay-style test pack instead of depth-only black/white output.
• Refined shader pack runtime namespace handling for ZIP-based packs.

Fixed

• Fixed several failures caused by assuming old-style render target write APIs that no longer exist in the 26.2 renderer.
• Fixed external post chain allowlist issues that previously rejected custom targets like vulkanpostfx:shadow_depth.
• Fixed runtime crashes caused by missing custom PostChain targets during effect execution.
• Fixed shader pack activation flow so the external package can now be enabled successfully in the current experimental branch.
• Fixed shadow target creation, shadow pass execution, and main-depth mirroring so the custom target path is now active during runtime.

Technical Notes

• External ZIP shader pack loading is now functional in the current experimental wrapper.

• The wrapper can now:

  • discover and load the external ZIP pack,
  • compile and apply the external post chain,
  • allocate a shadow render target,
  • mirror main scene depth into that target,
  • and inject the target into PostChain execution at runtime.

• This release is focused on pipeline bring-up and compatibility validation, not final visual parity.

Known Limitations

• This is not a full shadow implementation yet.
• The current shadow path is still experimental and is primarily intended for debugging and pipeline validation.
• Visual output is currently based on overlay/debug behavior rather than finalized shadow resolve/composite logic.
• Shader behavior, color grading, and lighting quality are still subject to further iteration.
• Logging is still verbose in some experimental paths and will be cleaned up in a later update.

Next Steps

• Build a more usable day-to-day shader pack profile with stable visuals.
• Reduce experimental logging noise.
• Replace debug-oriented shadow visualization with a proper shadow resolve/composite path.
• Expand the wiki with setup instructions, compatibility notes, pack structure, and development documentation.

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