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Cross-Vendor Mesh Shading Being Worked On For OpenGL
While it's very rare in recent times for a new OpenGL extension -- especially one that is exciting -- given the continued great adoption of the modern Vulkan API, in 2025 we are looking at an interesting addition to OpenGL with cross-vendor mesh shading via a proposed GL_EXT_mesh_shader implementation.
The proposed GL_EXT_mesh_shader extension is inspired off the NVIDIA GL_NV_mesh_shader as well as Vulkan's VK_EXT_mesh_shader but more cross-vendor friendly than the NVIDIA-focused implementation:"This extension provides a new mechanism allowing applications to use two new programmable shader types -- the task and mesh shader -- to generate collections of geometric primitives to be processed by fixed-function primitive assembly and rasterization logic. Qiang Yu of AMD opened this OpenGL Registry pull request this week for introducing the GL_EXT_mesh_shader extension. Bringing cross-vendor support to GL mesh shading will enable things like nvidium to finally run on more platforms."
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