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{{Infobox PSP homebrew
{{Infobox PSP Homebrews
| title = OSLib Modv2
|title=OSLib Modv2
| image = https://dlhb.gamebrew.org/psphomebrew/OSLibModv2.jpg|250px
|image=Oslibmod2.jpg
| type = Game engine
|description=A modded version of OSLib 2.10 and OSLib MOD.
| version = v1.1.2
|author=dogo
| licence = Mixed
|lastupdated=2025/12/25
| author = dogo
|type=Development
| website = http://dogo.github.io/oslibmodv2/files.html
|version=1.5.0
| download = https://dlhb.gamebrew.org/psphomebrew/OSLibModv2.rar
|license=GPL-2.0
| source = https://github.com/dogo/oslibmodv2
|download=https://dlhb.gamebrew.org/psphomebrew/Oslibmod2.7z
|website=http://dogo.github.io/oslibmodv2/files.html
|source=https://github.com/dogo/oslibmodv2
}}
}}
<youtube>vsQmOnFZonI</youtube>
OldSchool Library (OSLib) MODv2 is a 2D graphics library for the PSP. It is a modded version of [[OldSchool_Library_PSP|OSLib]] 2.10 and [[OSLib_MOD_PSP|OSLib MOD]].


OldSchool Library (OSLib) MODv2, 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/.


Installation
Copy libosl.a to $PSPSDK/lib/.
Copy the oslib directory (containing header files) in $PSPSDK/include/.
Copy the oslib directory (containing header files) in $PSPSDK/include/.


User guide
You can find the documentation in the Doc directory, or consult it online [http://dogo.github.io/oslibmodv2 here].
You can find the documentation in the Doc directory, or consult it online here:
http://dogo.github.io/oslibmodv2


Changelog
==Changelog==
v1.1.2
'''v1.5.0'''
- Updated: libpng to 1.5.
* PSP CMake build system cleanup and shapes sample update by [https://github.com/jopadan @jopadan] in [https://github.com/dogo/oslib/pull/87 #87]
- Updated: Doxyfile to 1.8.6
* make giflib/intrafont a submodule and move specials by [https://github.com/jopadan @jopadan] in [https://github.com/dogo/oslib/pull/92 #92]
- Fixed: Doxygen warnings.
* giflib/intrafont/pspmath as submodule move special by [https://github.com/jopadan @jopadan] in [https://github.com/dogo/oslib/pull/93 #93]
* chore: separate giflib and intrafont sources groups by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/94 #94]
* Update platform configuration path in CMakeLists by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/96 #96]
* Use CMake to check for image library support by [https://github.com/jopadan @jopadan] in [https://github.com/dogo/oslib/pull/98 #98]
* fix: Eliminate compiler warnings in image loaders by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/100 #100]
* feat: improve build system and suppress third-party warnings by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/101 #101]
* Refactor GIF loader: remove unused parameters and add static to helpers by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/102 #102]
* feat: Add mode field to VIRTUAL_FILE struct for open mode tracking by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/103 #103]
* chore: Improve build action by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/108 #108]
* ci: improve release workflow by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/109 #109]
* chore: update macos to 15 (was 13) by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/110 #110]
* fix: Several fixes by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/111 #111]
* ci(samples): fail-fast builds for each sample by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/112 #112]
* fix(cmake): cross-platform build fixes (PSP toolchain + SDK libs) by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/113 #113]
* feat(build): Simplify IMG support handling by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/114 #114]
* fix: add volatile qualifiers to prevent longjmp clobber warnings in PNG by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/115 #115]
* ci: add CMake sample builds by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/116 #116]
* refactor(audio): enhance BGM streaming playback by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/117 #117]
* Fix WAV streaming playback speed by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/118 #118]
'''v1.4.0'''
* Finalize CMake setup for OSLib project by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/59 #59]
* Refactor VFS file operations for improved readability and consistency by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/60 #60]
* Refactor and enhance Dialog handling in OSLib for improved safety and eficiency by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/61 #61]
* Refactor OSK Initialization and Memory Management by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/62 #62]
* Enhance UI rendering and message box functionality by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/63 #63]
* Improve shape drawing functions for consistency and correctness by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/64 #64]
* refactor: improve OSLib splash screen code structure and readability by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/65 #65]
* Fix some warnings by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/66 #66]
* Refactor audio mod by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/67 #67]
* Refactor and optimize input handling in OSL controller by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/68 #68]
* Refactor emu by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/69 #69]
* Refactor oslWriteImageFilePNG by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/70 #70]
* Refactor VirtualFile memory management and enhance robustness by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/71 #71]
* Refactor Map by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/72 #72]
* Refactor VFPU trigonometric functions and optimize non-PSP implementations by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/73 #73]
* Refactor oslShowSplashScreen2 by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/74 #74]
* Refactor audio codec handling: reorganize code structure, improve readability, add safety checks, and group related functions for better maintainability. by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/75 #75]
* Refactor ADPCM audio decoding and BGM sound callbacks by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/76 #76]
* Refactor and improve audio system by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/77 #77]
* Refactored PNG loading and SFont handling by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/78 #78]
* Refactor USB storage initialization and deinitialization by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/79 #79]
* Refactor OSLib by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/80 #80]
* use C++ for sample shapes by [https://github.com/jopadan @jopadan] in [https://github.com/dogo/oslib/pull/81 #81]
'''v1.3.0'''
* Improve oslWriteImageFile function for better safety and extensibility by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/20 #20]
* Improve oslLoadImageFile function for better safety and extensibility by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/21 #21]
* Refactor and improve oslLoadImageFileJPG for robustness and readability by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/22 #22]
* Refactor GIF loading code by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/24 #24]
* Code formatting and document oslDrawImageSimple by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/25 #25]
* Refactor oslGetRamStatus by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/26 #26]
* Code Improvements and Documentation Enhancements for OSLib by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/27 #27]
* Update Audio Management Documentation for OSLib by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/28 #28]
* Document Browser by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/29 #29]
* Document Dialog by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/30 #30]
* Document Emu by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/31 #31]
* Document OSK by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/32 #32]
* Document Messagebox by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/33 #33]
* Document Keys by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/34 #34]
* Document Map by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/35 #35]
* Document Net by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/36 #36]
* Document oslmath by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/37 #37]
* Document SaveLoad by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/38 #38]
* Document SFont by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/39 #39]
* Document Text by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/40 #40]
* Document usb by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/41 #41]
* Document vfpu by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/42 #42]
* Document VirtualFile by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/43 #43]
* Document vram_mgr by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/44 #44]
* Document pspadhoc by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/45 #45]
* Document ccc by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/46 #46]
* Document oslib by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/47 #47]
* Refactor <code>oslDrawImage</code> for C Compatibility and Performance by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/48 #48]
* Refactor and Improve Swizzling Functions in OSLib by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/49 #49]
* Optimized oslGetImagePixel function for better readability and performance by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/50 #50]
* Improve oslLockImage and oslUnlockImage functions for clarity and readability by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/51 #51]
* Refactor oslSetDrawBuffer function for improved readability and maintenance by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/52 #52]
* Refactor image conversion and palette search functions for clarity and efficiency by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/53 #53]
* Refactor oslDrawImageBig function for better readability and maintainability by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/54 #54]
* Refactor oslMoveImageTo function for clarity and robustness by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/55 #55]
* Refactor oslScaleImageCreate function for improved readability and efficiency by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/56 #56]
* Refactor oslSetImagePixel function for clarity and robustness by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/57 #57]
* Improve oslUnswizzleTexture and oslUnswizzleImage functions by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/58 #58]
'''Full Changelog''': [https://github.com/dogo/oslib/compare/1.2.0...1.3.0 1.2.0...1.3.0]
'''v1.2.0'''
* Remove the old local MikMod in favor of the PSPSDK version by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/14 #14]
* Update PSPSDK to v20240609 by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/15 #15]
* Improve oslLoadImageFilePNG code by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/17 #17]
* Improve text class by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/18 #18]
* Update intrafont to latest version by [https://github.com/dogo @dogo] in [https://github.com/dogo/oslib/pull/19 #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
==Credits==
uppfinnarn for update libpng and makefile.
* uppfinnarn for update libpng and makefile.
Strangelove for fixing many bugs.
* Strangelove for fixing many bugs.
STAS for tha patch fixing many bugs.
* STAS for tha patch fixing many bugs.
pspZorba for his adhoc sample.
* pspZorba for his adhoc sample.
MrMr[iCE] for libpspmath.
* MrMr[iCE] for libpspmath.
InsertWittyName for all the sdk's dialog samples.
* InsertWittyName for all the sdk's dialog samples.
Brunni for OSLib.
* Brunni for OSLib.
Sakya for OSLib MOD.
* Sakya for OSLib MOD.
BenHur for intraFont.
* BenHur for intraFont.


References
==External links==
Author's webpage: https://dogoautilio.wordpress.com/
* Author's website - https://dogoautilio.wordpress.com/
Github, http://dogo.github.io/oslibmodv2/files.html
* Github - http://dogo.github.io/oslibmodv2/files.html

Latest revision as of 05:24, 4 January 2026

OSLib Modv2
General
Authordogo
TypeDevelopment
Version1.5.0
LicenseGPL-2.0
Last Updated2025/12/25
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

Retrieved from "https://www.gamebrew.org/index.php?title=OSLib_Modv2_PSP&oldid=203487"

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