Reverts to old render settings in kit experience files (#1855)

# Description

Reverts to old render settings.

Fixes #1844 

## Type of change

- Bug fix (non-breaking change which fixes an issue)

## Screenshots

Before:

![pre](https://github.com/user-attachments/assets/db3de96a-6b52-440f-9ed0-44185359e020)

After:

![fdm_perceptive_demo_sim_with_traj_white_env1](https://github.com/user-attachments/assets/fac654f6-2a94-4417-b033-edc34c055ce3)


## Checklist

- [ ] I have run the [`pre-commit` checks](https://pre-commit.com/) with
`./isaaclab.sh --format`
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [ ] I have updated the changelog and the corresponding version in the
extension's `config/extension.toml` file
- [ ] I have added my name to the `CONTRIBUTORS.md` or my name already
exists there

---------
Co-authored-by: Kelly Guo <kellyg@nvidia.com>
Co-authored-by: Mayank Mittal <12863862+Mayankm96@users.noreply.github.com>

apps/isaaclab.python.headless.rendering.kit

@@ -47,26 +47,11 @@ rtx.translucency.enabled = false
 rtx.reflections.enabled = false
 rtx.indirectDiffuse.enabled = false
 rtx-transient.dlssg.enabled = false
+rtx.directLighting.sampledLighting.enabled = true
+rtx.directLighting.sampledLighting.samplesPerPixel = 1
 rtx.sceneDb.ambientLightIntensity = 1.0
 # rtx.shadows.enabled = false
 
-# Optimized denoiser flags for better rendering performance
-rtx-transient.dldenoiser.enabled = false
-rtx.indirectDiffuse.denoiser.enabled = false
-rtx.directLighting.sampledLighting.denoisingTechnique = 0
-rtx.reflections.denoiser.enabled = false
-
-# this approximate dome lighting, almost like an ambient light
-# for better lighting, enable ambient occlusion at a small cost
-rtx.domeLight.upperLowerStrategy=4
-rtx.directLighting.sampledLighting.enabled = false
-rtx.ambientOcclusion.enabled = false
-rtx.ambientOcclusion.denoiserMode = 0
-rtx.raytracing.subpixel.mode=1
-rtx.raytracing.cached.enabled = false
-# Set the DLSS model
-rtx.post.dlss.execMode = 2 # can be 0 (Performance), 1 (Balanced), 2 (Quality), or 3 (Auto)
-
 # Avoids replicator warning
 rtx.pathtracing.maxSamplesPerLaunch = 1000000
 # Avoids silent trimming of tiles
@@ -75,6 +60,13 @@ rtx.viewTile.limit = 1000000
 # Disable present thread to improve performance
 exts."omni.renderer.core".present.enabled=false
 
+# Disabling these settings reduces renderer VRAM usage and improves rendering performance, but at some quality cost
+rtx.raytracing.cached.enabled = false
+rtx.ambientOcclusion.enabled = false
+
+# Set the DLSS model
+rtx.post.dlss.execMode = 0 # can be 0 (Performance), 1 (Balanced), 2 (Quality), or 3 (Auto)
+
 # Avoids unnecessary GPU context initialization
 renderer.multiGpu.maxGpuCount=1
 

apps/isaaclab.python.rendering.kit

@@ -48,26 +48,11 @@ rtx.translucency.enabled = false
 rtx.reflections.enabled = false
 rtx.indirectDiffuse.enabled = false
 rtx-transient.dlssg.enabled = false
+rtx.directLighting.sampledLighting.enabled = true
+rtx.directLighting.sampledLighting.samplesPerPixel = 1
 rtx.sceneDb.ambientLightIntensity = 1.0
 # rtx.shadows.enabled = false
 
-# Optimized denoiser flags for better rendering performance
-rtx-transient.dldenoiser.enabled = false
-rtx.indirectDiffuse.denoiser.enabled = false
-rtx.directLighting.sampledLighting.denoisingTechnique = 0
-rtx.reflections.denoiser.enabled = false
-
-# this approximate dome lighting, almost like an ambient light
-# for better lighting, enable ambient occlusion at a small cost
-rtx.domeLight.upperLowerStrategy=4
-rtx.directLighting.sampledLighting.enabled = false
-rtx.ambientOcclusion.enabled = false
-rtx.ambientOcclusion.denoiserMode = 0
-rtx.raytracing.subpixel.mode=1
-rtx.raytracing.cached.enabled = false
-# Set the DLSS model
-rtx.post.dlss.execMode = 2 # can be 0 (Performance), 1 (Balanced), 2 (Quality), or 3 (Auto)
-
 # Avoids replicator warning
 rtx.pathtracing.maxSamplesPerLaunch = 1000000
 # Avoids silent trimming of tiles
@@ -76,6 +61,13 @@ rtx.viewTile.limit = 1000000
 # Disable present thread to improve performance
 exts."omni.renderer.core".present.enabled=false
 
+# Disabling these settings reduces renderer VRAM usage and improves rendering performance, but at some quality cost
+rtx.raytracing.cached.enabled = false
+rtx.ambientOcclusion.enabled = false
+
+# Set the DLSS model
+rtx.post.dlss.execMode = 0 # can be 0 (Performance), 1 (Balanced), 2 (Quality), or 3 (Auto)
+
 # Avoids unnecessary GPU context initialization
 renderer.multiGpu.maxGpuCount=1