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[SDL3] [PS2] Framebuffer resolution + 240p/480p + PAL support (#13993)

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* Do not override NTSC/PAL

* Fix PS2 build instructions

* Add PS2 GS hints
Allows for switching between NTSC/PAL, progressive/interlaced, etc

(cherry picked from commit 3fd0b46215)
(cherry picked from commit 7b28fb29bd)
This commit is contained in:
Fierelier
2025-09-21 14:50:14 +00:00
committed by Sam Lantinga
parent 7fe49da380
commit f172ee3d0e
3 changed files with 72 additions and 3 deletions
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6
docs/README-ps2.md
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@@ -11,7 +11,7 @@ Credit to
## Building
To build SDL2 library for the PS2, make sure you have the latest PS2Dev status and run:
```bash
cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=$PS2DEV/ps2sdk/ps2dev.cmake
cmake -S. -Bbuild -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE=$PS2DEV/share/ps2dev.cmake
cmake --build build
cmake --install build
```
@@ -19,6 +19,10 @@ cmake --install build
## Hints
The PS2 port has a special Hint for having a dynamic VSYNC. The Hint is `SDL_HINT_PS2_DYNAMIC_VSYNC`.
If you enabled the dynamic vsync having as well `SDL_RENDERER_PRESENTVSYNC` enabled, then if the app is not able to run at 60 FPS, automatically the `vsync` will be disabled having a better performance, instead of droping FPS to 30.
- `SDL_HINT_PS2_GS_WIDTH`: Width of the framebuffer. Defaults to 640.
- `SDL_HINT_PS2_GS_HEIGHT`: Height of the framebuffer. Defaults to 448.
- `SDL_HINT_PS2_GS_PROGRESSIVE`: Whether to use progressive, instead of interlaced. Defaults to 0.
- `SDL_HINT_PS2_GS_MODE`: Regional standard of the signal. "NTSC" (60hz), "PAL" (50hz) or "" (the console's region, default).
## Notes
If you trying to debug a SDL app through [ps2client](https://github.com/ps2dev/ps2client) you need to avoid the IOP reset, otherwise you will lose the conection with your computer.