Raspberry Pi 4 achieves Vulkan 1.1 conformance, will get as much as 60% GPU efficiency increase

Khronos has simply granted Vulkan 1.1 conformance to Raspberry Pi 4 SBC, and following the implementation of assorted optimizations and new options corresponding to geometry shaders, the v3dv Mesa driver delivers as much as 60% increased GPU efficiency in Unreal Engine 4.

Iglia began Vulkan driver work for Raspberry Pi 4 virtually two years in the past, with the triangle demo showcased in February 2020, adopted by Vulkan 1.0 conformance in November 2020, and now the motive force is licensed conformant to Vulkan 1.1. Whereas many GPUs are conformant, the Raspberry Pi 4 is just joined by a few full platforms together with a number of NVIDIA Jetson modules (Vulkan 1.2),  and probably some Intel and Google platforms proven as “Confidential” right now.

Vulkan 1.1 Raspberry Pi 4Alex Bate, Digital Content material Supervisor for the Raspberry Pi Basis, explains the motive force adjustments for Vulkan 1.1 conformance have already been merged in the upstream v3dv Mesa driver, and may quickly turn out to be obtainable in Raspberry Pi OS. Notice that Vulkan 1.1 conformance was achieved with Raspberry Pi OS Aarch64, i.e. 64-bit Arm, so it’s unclear whether or not the 32-bit model of the OS will likely be even be supported.

Optimizations and new options to the motive force, plus enhancements to the shader compiler additionally assist produce higher, quicker code, no less than in particular situations with important efficiency enhancements for Vulkan and OpenGL video games and functions making heavy use of geometric shading.

Raspberry Pi 4 GPU Vulkan performance
Efficiency enhancements in p.c throughout numerous Vulkan video games and demos

The efficiency enhancements differ so much relying on the sport and settings with vkQuake getting a 5% increase, Quake3e shut to twenty%, and Unreal Engine 4 round 25% with low-quality settings and as much as somewhat over 60% for high-quality settings which produce fairly good outcomes.

Raspberry Pi 4 Unreal Engine 4
Unreal Engine 4 Solar Temple Demo (left) and Unreal Engine 4 Shooter Demo (proper)

Sadly that doesn't imply video games developed with Unreal Engine 4 will likely be playable on Raspberry Pi 4 as efficiency isn't adequate for gameplay. Builders may be happy to know that assist for RenderDoc graphics debugger and GFXReconstruct graphics API seize and replay instruments has been improved.

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