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RADV Driver Introduces Limited Support For NVIDIA Cooperative Matrix Extension
The Mesa Radeon Vulkan driver 'RADV' has merged support for the VK_NV_cooperative_matrix2 NVIDIA Vulkan extension but it's hidden by default and only partially supported with a focus on helping FidelityFX Super Resolution 4 and VKD3D-Proton.
VK_NV_cooperative_matrix2 is a NVIDIA vendor extension for building on the cooperative matrix types introduced by VK_KHR_cooperative_matrix for expanding beyond just the scope of GEMM kernels. Georg Lehmann who authored the support explained in the merge request for RADV as well as touching common SPIR-V and NIR code within Mesa:"VK_NV_cooperative_matrix2 has multiple different capabilities/features. After being under review the past month, the code is now merged for Mesa 25.2 with a focus on helping FSR4 and VKD3D-Proton for Steam Play (Proton) Linux gaming.
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