libdrm: libdrm (Userspace interface to kernel DRM services) libdrm: libdrm: This library implements the userspace interface to the kernel DRM libdrm: services. DRM stands for Direct Rendering Manager, which is the libdrm: kernelspace portion of the Direct Rendering Infrastructure (DRI). libdrm: The DRI is currently used on Linux to provide hardware-accelerated libdrm: OpenGL drivers. libdrm: libdrm: libdrm: libdrm: