quick update has been released for shadPS4 , the open source PlayStation 4 console emulator for Windows PC, MacOS and Linux developed by georgemoralis , better known on the scene as shadow , founder and programmer of many other emulation projects.

Launched in October 2022 and written in C++ , the emulator is still in its early stages, meaning it doesn’t guarantee a seamless experience for all titles.

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However, it is already capable of running several commercial games. Bloodborne is among the most playable titles thanks to mods that fix graphical bugs, while other games such as Red Dead Redemption , Dark Souls Remastered and Resident Evil 4 are playable but with framerate stability issues and visual glitches.

Some lighter titles, like BlazBlue: Cross Tag Battle and Capcom Fighting Collection , run almost perfectly.

The new update, dedicated to the developer Stephen , introduces numerous improvements and fixes. At the core level , some behaviors related to memory management and system calls, such as lseek and direct memory allocation, have been corrected.

In the libraries section , we can point out the implementation of passthrough for libusb, the first works on HLE emulation of ngs2, the introduction of the Audio3d library and some stubs for managing network permissions. The filesystem emulation has also been improved.

On the graphics (GPU) front , the Vulkan renderer has been optimized with more efficient handling of dynamic states, support for loading Vulkan layers on macOS, and improvements in command buffer management and viewport depth.

Also added support for new video output features and shared access control in rasterization.

The shader recompiler has received major improvements in terms of optimization and compatibility: new instructions have been implemented, resource tracking heuristics have been optimized, and support for specific Vulkan extensions has been integrated.

As for the GUI interface , new options have been introduced to enable or disable game folders individually, improved Unicode path support, updated the trophy manager, and removed fpkg package support . Additionally, several new interface translations have been added.

Changelog

Core

lseek: let the host operating system handle lseek errors.
Filesystem code cleanup.
Emulating the mapping of sceKernelInternalMemory.
Correction of sceKernelAllocateDirectMemorye sceKernelAvailableDirectMemorySize.

Bookshops

sceDiscMapIt is now emulated in HLE mode.
Initial work on HLE emulation of ngs2.
Implementing passthrough for libusb.
Corrected stubs for ulobjmgr.
First implementation of Audio3d.
Library stub NpAuth.

GPU

Resets the previous buffer label instead of the current one.
Handling of computation packets split between the ends of two command buffers.
Implementation of DmaDataSrc::MemoryUsingL2e DmaDataDst::MemoryUsingL2.
renderer_vulkan: Use a larger dynamic state for depth and stencil.
renderer_vulkan: update dynamic state only when actually changed.
renderer_vulkan: makes the state of some primitives dynamic.
Implementation of sceVideoOutGetEventCountandsceVideoOutDeleteVblankEvent.
vk_rasterizer: access control mapped_rangeswith shared lock.
renderer_vulkan: improved handling between required and optional extensions.
vk_rasterizer: improved depth calculation in the viewport.
texture_cache: downgraded the assertion for non-matching image type to a simple “cache miss”.
renderer_vulkan: Support for loading Vulkan layers in the macOS SDL build.

Shader Recompiler

Improved divergence handling and elimination of readlane.
Added S_SETPRIOto EmitFlowControl.
Use VK_AMD_shader_trinary_minmaxwhen available.
resource_tracking_pass: added a heuristic to detect incorrectly tracked buffers.
Implementation of S_FLBIT_I32_B32e V_MUL_HI_I32.
Implementation of education S_SUBB_U32.
Added variants IMAGE_GATHER4_*to the table.
Implementation of DS_SUB_U32, DS_INC_U32, DS_DEC_U32.
Implementation of education SET_PC_B64.

GUI

Added an option to individually enable/disable game folders.
Handle “-patch” suffix for game update folders.
Trophy Viewer – Game Selection.
Removed support for fpkg packages.
Fixed Unicode path support for game installation directories.
As usual, many new translations added.

To discuss shadPS4 development , suggest ideas, or ask for help, users can join the Discord server . The team also invites the community to update the compatibility list on GitHub : shadPS4 Game Compatibility List

Download: shadPS4 v0.8.0 (Linux qt) ( Linux SDL )

Download: shadPS4 v0.8.0 (Win64 qt) ( Win64 SDL )

Download: shadPS4 v0.8.0 (macos qt) ( macos SDL )

Download: Source code shadPS4 v0.8.0

Source: github.com

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