[ParaLLEl-GS] Overcropped image in Arika's CAVE ports on the ps2
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- Dominant language
- C++
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Description
Games affected: DoDonPachi DaiOuJou and Espgaluda.
In 1.22.2 stable snapshot of LRPS2, PGS used to output 224 x 448 at native res for these games, which was congruent with SW renderer and the actual pre-PCRTC resolution of these ports, which have the same res as the originals on PGM arcade hardware.
However, in the latest build, PGS crops them to 224 x 427. Software renderer still correctly outputs 224 x 448. Naturally, TATE must be enabled in the settings for games to output that way.
20.11.2025 LRPS2:
Latest LRPS2:
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue in LRPS2 with DoDonPachi DaiOuJou and Espgaluda, with TATE enabled, comparing the latest build to the 1.22.2 stable snapshot. Trace the PGS rendering path and compare it with the software renderer's 224 x 448 output. Done means PGS no longer crops these ports to 224 x 427 and matches the native resolution.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- cpp
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 64/100