OSLib Modv2 PSP

OSLib Modv2
General
Author	dogo
Type	Development
Version	1.5.0
License	GPL-2.0
Last Updated	2025/12/25
Links
Download
Website
Source

OldSchool Library (OSLib) MODv2 is a 2D graphics library for the PSP. It is a modded version of OSLib 2.10 and OSLib MOD.

Installation

Copy libosl.a to $PSPSDK/lib/.

Copy the oslib directory (containing header files) in $PSPSDK/include/.

You can find the documentation in the Doc directory, or consult it online here.

Changelog

v1.5.0

• PSP CMake build system cleanup and shapes sample update by @jopadan in #87
• make giflib/intrafont a submodule and move specials by @jopadan in #92
• giflib/intrafont/pspmath as submodule move special by @jopadan in #93
• chore: separate giflib and intrafont sources groups by @dogo in #94
• Update platform configuration path in CMakeLists by @dogo in #96
• Use CMake to check for image library support by @jopadan in #98
• fix: Eliminate compiler warnings in image loaders by @dogo in #100
• feat: improve build system and suppress third-party warnings by @dogo in #101
• Refactor GIF loader: remove unused parameters and add static to helpers by @dogo in #102
• feat: Add mode field to VIRTUAL_FILE struct for open mode tracking by @dogo in #103
• chore: Improve build action by @dogo in #108
• ci: improve release workflow by @dogo in #109
• chore: update macos to 15 (was 13) by @dogo in #110
• fix: Several fixes by @dogo in #111
• ci(samples): fail-fast builds for each sample by @dogo in #112
• fix(cmake): cross-platform build fixes (PSP toolchain + SDK libs) by @dogo in #113
• feat(build): Simplify IMG support handling by @dogo in #114
• fix: add volatile qualifiers to prevent longjmp clobber warnings in PNG by @dogo in #115
• ci: add CMake sample builds by @dogo in #116
• refactor(audio): enhance BGM streaming playback by @dogo in #117
• Fix WAV streaming playback speed by @dogo in #118

v1.4.0

• Finalize CMake setup for OSLib project by @dogo in #59
• Refactor VFS file operations for improved readability and consistency by @dogo in #60
• Refactor and enhance Dialog handling in OSLib for improved safety and eficiency by @dogo in #61
• Refactor OSK Initialization and Memory Management by @dogo in #62
• Enhance UI rendering and message box functionality by @dogo in #63
• Improve shape drawing functions for consistency and correctness by @dogo in #64
• refactor: improve OSLib splash screen code structure and readability by @dogo in #65
• Fix some warnings by @dogo in #66
• Refactor audio mod by @dogo in #67
• Refactor and optimize input handling in OSL controller by @dogo in #68
• Refactor emu by @dogo in #69
• Refactor oslWriteImageFilePNG by @dogo in #70
• Refactor VirtualFile memory management and enhance robustness by @dogo in #71
• Refactor Map by @dogo in #72
• Refactor VFPU trigonometric functions and optimize non-PSP implementations by @dogo in #73
• Refactor oslShowSplashScreen2 by @dogo in #74
• Refactor audio codec handling: reorganize code structure, improve readability, add safety checks, and group related functions for better maintainability. by @dogo in #75
• Refactor ADPCM audio decoding and BGM sound callbacks by @dogo in #76
• Refactor and improve audio system by @dogo in #77
• Refactored PNG loading and SFont handling by @dogo in #78
• Refactor USB storage initialization and deinitialization by @dogo in #79
• Refactor OSLib by @dogo in #80
• use C++ for sample shapes by @jopadan in #81

v1.3.0

• Improve oslWriteImageFile function for better safety and extensibility by @dogo in #20
• Improve oslLoadImageFile function for better safety and extensibility by @dogo in #21
• Refactor and improve oslLoadImageFileJPG for robustness and readability by @dogo in #22
• Refactor GIF loading code by @dogo in #24
• Code formatting and document oslDrawImageSimple by @dogo in #25
• Refactor oslGetRamStatus by @dogo in #26
• Code Improvements and Documentation Enhancements for OSLib by @dogo in #27
• Update Audio Management Documentation for OSLib by @dogo in #28
• Document Browser by @dogo in #29
• Document Dialog by @dogo in #30
• Document Emu by @dogo in #31
• Document OSK by @dogo in #32
• Document Messagebox by @dogo in #33
• Document Keys by @dogo in #34
• Document Map by @dogo in #35
• Document Net by @dogo in #36
• Document oslmath by @dogo in #37
• Document SaveLoad by @dogo in #38
• Document SFont by @dogo in #39
• Document Text by @dogo in #40
• Document usb by @dogo in #41
• Document vfpu by @dogo in #42
• Document VirtualFile by @dogo in #43
• Document vram_mgr by @dogo in #44
• Document pspadhoc by @dogo in #45
• Document ccc by @dogo in #46
• Document oslib by @dogo in #47
• Refactor oslDrawImage for C Compatibility and Performance by @dogo in #48
• Refactor and Improve Swizzling Functions in OSLib by @dogo in #49
• Optimized oslGetImagePixel function for better readability and performance by @dogo in #50
• Improve oslLockImage and oslUnlockImage functions for clarity and readability by @dogo in #51
• Refactor oslSetDrawBuffer function for improved readability and maintenance by @dogo in #52
• Refactor image conversion and palette search functions for clarity and efficiency by @dogo in #53
• Refactor oslDrawImageBig function for better readability and maintainability by @dogo in #54
• Refactor oslMoveImageTo function for clarity and robustness by @dogo in #55
• Refactor oslScaleImageCreate function for improved readability and efficiency by @dogo in #56
• Refactor oslSetImagePixel function for clarity and robustness by @dogo in #57
• Improve oslUnswizzleTexture and oslUnswizzleImage functions by @dogo in #58

Full Changelog: 1.2.0...1.3.0 v1.2.0

• Remove the old local MikMod in favor of the PSPSDK version by @dogo in #14
• Update PSPSDK to v20240609 by @dogo in #15
• Improve oslLoadImageFilePNG code by @dogo in #17
• Improve text class by @dogo in #18
• Update intrafont to latest version by @dogo in #19

v1.1.3

• Updated: libpng to 1.6
• Fixed: Make oslib build with newer PSP toolchain
• Fixed: Multiple definitions of...

v1.1.2

• Updated: libpng to 1.5.
• Updated: Doxyfile to 1.8.6
• Fixed: Doxygen warnings.

Credits

• uppfinnarn for update libpng and makefile.
• Strangelove for fixing many bugs.
• STAS for tha patch fixing many bugs.
• pspZorba for his adhoc sample.
• MrMr[iCE] for libpspmath.
• InsertWittyName for all the sdk's dialog samples.
• Brunni for OSLib.
• Sakya for OSLib MOD.
• BenHur for intraFont.

External links

• Author's website - https://dogoautilio.wordpress.com/
• Github - http://dogo.github.io/oslibmodv2/files.html