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Structured roadmap for RPCS3 development

This is a non-exhaustive list of current goals made possible with the support of our generous patrons.

Short term goals

  • Rebuild LLVM cache for the firmware after its installation. (Nekotekina)
  • Fix parent of root in VFS. (Nekotekina)
  • Remove obstacles for ASLR support. (Nekotekina)
  • Improve PPU LLVM recompiler compatibility and speed. (Nekotekina)
  • Begin SPU LLVM. (Nekotekina)
  • Native overlay API to allow custom UI to render within the GSFrame e.g SaveManager dialog (kd-11)
  • Fix remaining problems with texture readback (write color buffers) (kd-11)

Medium term goals

  • Improve SPU instruction accuracy for Fast Interpreter and ASMJIT
  • Improve audio and video decoders for better speed and compatibility.
  • Improve controller support. This includes emulated controllers (with mouse or keyboard) and real controllers as well.
  • Implement LLVM recompiler backend for SPU. This is actually a tremendous amount of work to make it useful, but it will also give the very important speed improvement (unless the SPU is not used at all).
  • Improve LLVM flexibility. For example, it could scan game folder for all executables and SPRX modules and recompile them ahead of time.
  • Improve solution structure, move and rename some files.
  • Implement missing syscalls. Allow to LLE more system modules.
  • Write automatic tests to minimize bugs.
  • Enable hardware acceleration for decryption (AES-NI). (#2457)
  • Implement config tristate in GUI for per-game configurations.
  • Improvements to the shader generation and cache system
  • Implement parametrized PPU Interpreter reusing current LLVM IR generator, remove original hard-coded PPU Interpreter and make LLVM mandatory. Add options regulating its accuracy detached from the base choice of the Interpreter or the Recompiler. The same extends to SPU.

Long term goals

  • Support booting from original game discs.
  • Implement user manager.
  • Support mic, camera, USB peripherals, etc.
  • Implement network functionality.
  • Implement every system module in the emulator. This will allow the emulator to work without the PS3 firmware.

Never-ending goals

  • Improve game compatibility by fixing bugs and missing functionality.
  • Continue to improve emulation speed and accuracy.
  • Improve performance and compatibility of all renderers.

For developers

  • Parse .eh_frame section in PPU analyser and use this information in LLVM recompiler.
  • Implement MFC_DMA_TAG_CMD_STALL_NOTIFY_EVENT and other SPU events.
  • Return error_code from syscalls and functions to enable error reporting.
  • Improve embedded debugging tools (CPU, RSX, Kernel Explorer).
  • Implement BPIP for synchronization primitives.
  • Cleanup the VS project files: reduce to two build types (Release and Debug), but both must use Release LLVM build. Debug build should include memory leak detection features.