Turning off adaptive widescreen break up-scaling

[Triticum0]

When adaptive widescreen is disabled up-scaling doesn't work when enabled in mod menu.

[MysteriousAeon]

I traced this to the presentation path and have a candidate fix ready for testing.

The compute renderer was already rendering at the selected internal resolution with Adaptive Widescreen disabled, but the frontend only created the presenter that consumes the high-resolution 3D surface when Adaptive Widescreen was enabled.

I prepared a Windows x64 test build with that dependency removed:

https://github.com/MysteriousAeon/ndsrecomp/releases/download/intel-gl-diagnostic-1/mph-issue22-native-hd-win64.zip

SHA-256:

d12aa59a25b87cce74b53a29c421a8dfee27763adb881c2045143084f043c9c1

Extract it into a fresh folder and place your verified ROM there as:

Metroid Prime Hunters.nds

Then please run these in order:

1. run-1x-native.bat

   • Adaptive Widescreen off
   • Internal Resolution 1x
   • Texture Upscale 1x

2. run-4x-native-hd.bat

   • Adaptive Widescreen off
   • Internal Resolution 4x
   • Texture Upscale 1x

3. run-4x-adaptive-hd.bat

   • Adaptive Widescreen on
   • Internal Resolution 4x
   • Texture Upscale 1x

Prime Controls and the normal keyboard/mouse bindings are enabled in all three tests.

For the second run, please check whether:

• the 3D image is visibly sharper than the 1x baseline
• the field of view/aspect remains native rather than becoming widescreen
• the HUD and other 2D layers still look correct
• there are any black screens, missing layers, stale frames, or blending problems

For the third run, please also check that the existing Adaptive Widescreen + HD behavior still looks normal.

A screenshot of the same scene from the 1x and 4x-native runs would be especially useful.

[Triticum0]

Run 1 Matches masters.

Run 2 (Seem fine although fmv video including the boot screen are in a stretched aspect ratio to fill mointor)

Intro

Cut-scene

Ingame

Run 3 Matches masters (Cut-scenes are default aspect ratio compared to run 2).

Intro

Cut-scene

Ingame

Once merged I can test #17 build

[MysteriousAeon]

Thanks for the detailed screenshots. I tracked down the stretching in Run 2 as a separate presentation regression.

The native-HD presenter was correctly falling back to the normal 256x192 framebuffer for FMV/boot/native-only frames, but that fallback was being stretched across the full wide window. I've fixed the native fallback path so it keeps its 4:3 aspect ratio and is centered with black bars.

Final validation build:

https://github.com/MysteriousAeon/ndsrecomp/releases/download/intel-gl-diagnostic-1/mph-issue22-native-hd-final-win64.zip

SHA-256:

0e42324b3dcde2300b4d8408b5d9a22ddd71d77896e99e341a1936e13fe43e1c

You only need to run these two this time:

1. run-4x-native-hd.bat

Please check that:

• boot/logo/FMV/cutscenes are no longer horizontally stretched
• native content is centered at 4:3 with black side bars
• gameplay is still visibly HD with the native FOV
• HUD/2D layers still look correct
• transitions between FMV and gameplay leave no stale borders

2. run-4x-adaptive-hd.bat

Just check that the existing adaptive-widescreen HD behavior still looks normal.

No need to repeat the previous 1x baseline.

[Triticum0]

Cut-scenes including boot logo are not stretched. Intro text for the mission briefing still is.

1x

4x

Also noticed that Cut-scenes and main menu are few pixels taller and wider than master build a 1x.

1x

4x

Hard too see without layering 2 images over each other

boot/logo/FMV/cutscenes are no longer horizontally stretched ✅
native content is centered ✅
4:3 with black side bars ?
gameplay is still visibly HD with the native FOV ✅
HUD/2D layers still look correct ✅

transitions between FMV and gameplay leave no stale borders ? (Not 100% sure what you mean here video ref)

Untitled.Project.mp4

[Triticum0]

Also no rush. I've try my best to keep on top of your comments. Ping me if you u need me.

[MysteriousAeon]

I have a final build for the remaining aspect-ratio issue.

The previous fix correctly handled boot/FMV fallback, but the mission briefing exposed that native-width HD frames were still being stretched by the final GL viewport. The presentation logic now preserves 4:3 whenever the logical top-screen width is 256, including native-HD gameplay and briefing scenes.

Test build:
https://github.com/MysteriousAeon/ndsrecomp/releases/download/intel-gl-diagnostic-1/mph-issue22-native-hd-final-v2-win64.zip

SHA-256:
6875afdc8c3203a9306d59e064db877bfc351e880497cc28eb8cc84a00ef79fc

Please run:

1. run-4x-native-hd.bat

   • Check that the mission briefing text is no longer stretched.
   • Check that normal gameplay is centered 4:3, still visibly HD, and the HUD proportions look correct.
   • Boot logo and FMV should remain unstretched.

2. run-4x-adaptive-hd.bat

   • Just check that the existing adaptive-widescreen behavior still looks normal.

No need to repeat the 1x baseline.