@echo off

if not exist playground_rust\target\release\lux-playground.exe (

echo Rust engine not built. Build with:

echo cd playground_rust ^&^& cargo build --release

exit /b 1

)

set SCENE=assets/SheenChair.glb

set IBL=pisa

if exist shadercache\bindless\gltf_pbr_layered.rchit.spv (

set PIPELINE=shadercache/bindless/gltf_pbr_layered

echo Using bindless PBR RT pipeline (multi-material uber-shader^)

) else if exist shadercache\gltf_pbr_layered.manifest.json (

set PIPELINE=shadercache/gltf_pbr_layered

echo Using layered PBR RT pipeline (manifest auto-selection^)

) else if exist shadercache\gltf_pbr_layered+normal_map+sheen.rgen.spv (

set PIPELINE=shadercache/gltf_pbr_layered+normal_map+sheen

echo Using explicit sheen RT permutation

) else (

echo No compiled RT shaders found. Compile first with:

echo compile_all.bat

exit /b 1

)

echo === Interactive Rust Sheen RT Viewer ===

echo Scene: %SCENE%

echo Pipeline: %PIPELINE%

echo IBL: %IBL%

echo Controls: mouse drag = orbit, scroll = zoom, ESC = exit

echo.

playground_rust\target\release\lux-playground.exe --scene %SCENE% --pipeline %PIPELINE% --ibl %IBL% --mode rt --interactive