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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

  • Improve PPU LLVM recompiler compatibility and speed. (Nekotekina)
  • Begin SPU LLVM. (Nekotekina)
  • Fix some engine-specific rendering issues (kd-11)
  • Improve the shader decompiler/recompiler (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 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.
  • Remove obstacles for ASLR support. (Nekotekina)

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.