RADV Driver Enables Host Image Copy By Default For RDNA2 & Newer

RADV Driver Enables Host Image Copy By Default For RDNA2 & Newer

Introduced back in 2023 with Vulkan 1.3.258 was VK_EXT_host_image_copy to copy data between host memory and images on the host processor without needing to stage the data through a CPU-accessible buffer. This direct CPU-to-GPU image data transfer path can reduce memory usage during asset loads and all around more efficiency and performance. Finally now the RADV open-source Radeon driver is enabling support… https://www.phoronix.com/news/RADV-Default-Host-Image-Copy