[TRACKER] HDR output issues & PRs

[allenwp]

This is a tracker for all issues and PRs relating to the upcoming HDR ouput feature.

• Sibling tracker: [TRACKER] HDR output enhancements godot-proposals#13750

Base HDR output implementation

• [Windows] Support output to HDR monitors #94496

HDR output ports

• Android: [Android] Support HDR output #101977
• Linux (Wayland): [LinuxBSD] Add support for HDR output (Wayland) #102987
• Apple (via Metal): Apple: Support output to EDR (HDR) displays #106814

Issues

• Visual shader LinearToSRGB ColorFunc causes undesirable clamping #113952
  • PR: Remove clamping from LinearToSRGB visual shader node. #113956

Other PRs

• Use additive blending for suns in ProceduralSkyMaterial to fix dark suns #113292

Documentation and onboarding

• [DRAFT] Add HDR output demo godot-demo-projects#1287
• [DRAFT] Add HDR output manual page godot-docs#11548