chore(SSGI): set quarter res as default and revise presets

[Ungeziefi]

Normal preset + quarter res is what the "A Dragonborn's Fate" guide uses as default. This is a sensible default thanks to the way lower GPU cost and stable enough presentation.

The normal preset was updated to match this and Extreme is now named High, which is the only preset option using half res. Only Reference uses full res.

Summary by CodeRabbit

• New Features

  • None.

• Chores

  • Default Screen Space Global Illumination now uses quarter-scale to improve performance and reduce GPU usage; users can still choose quarter/half/full in graphics settings.
  • UI preset updates: "Extreme" renamed to "High"; "Standard" now uses quarter res and "High" uses half res; preset descriptions/tooltips updated.

[coderabbitai]

Walkthrough

Changed ScreenSpaceGI default resolution from half to quarter by updating Settings::ResolutionMode default in the header and adjusted UI presets and tooltips in the implementation to match the new defaults and relabel one preset.

Changes

Cohort / File(s)	Summary of Changes
Settings default src/Features/ScreenSpaceGI.h	Changed ScreenSpaceGI::Settings::ResolutionMode default initializer from 1 (half) to 2 (quarter) and updated the inline comment to indicate DBF default.
UI preset mappings src/Features/ScreenSpaceGI.cpp	Updated DrawSettings presets: Standard now sets ResolutionMode = 2 (quarter) with tooltip "Quarter res and somewhat stable."; Extreme preset renamed to High with label "High", now sets ResolutionMode = 1 (half) and tooltip "Half res and clean."; corrected "upsasmple" → "upsample" comment; other presets unchanged.

Sequence Diagram(s)

(omitted — changes are UI/default value edits, not control-flow modifications)

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Suggested reviewers

• alandtse

Poem

A rabbit tweaks the shadowed hue,
quarter pixels in a queue.
Labels hopped and tooltips told,
presets nudged from bold to mild—
snip-snip, code trimmed neat and new.

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[github-actions]

Using provided base ref: d7c65f9
Using base ref: d7c65f9
Base commit date: 2025-09-03T23:25:04+01:00 (Wednesday, September 03, 2025 11:25 PM)
No actionable suggestions for changed features.

[github-actions]

✅ A pre-release build is available for this PR:
Download

[coderabbitai]

Actionable comments posted: 0

🧹 Nitpick comments (1)

src/Features/ScreenSpaceGI.cpp (1)

829-831: Typo in comment: “upsasmple” → “upsample”

Minor readability nit.

-  // upsasmple
+  // upsample

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🔇 Additional comments (2)

src/Features/ScreenSpaceGI.cpp (2)

121-131: Approve “High” mapping and tooltips
ResolutionMode = 1 correctly implements half-res “High” and leaves “Reference” at full-res. No stale “Extreme” or “Full res and clean.” references remain.

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109-119: Unable to locate ScreenSpaceGI.h: please manually verify that the header’s default ResolutionMode is set to 2 to ensure the “Standard” preset stays at quarter resolution.