Parallels 9 para Mac OS X: nas configurações da máquina virtual (a VM precisa ser desligada), vá para Hardware - > Vídeo - > Aceleração 3D (On) e inicie sua VM:
OpenGL vendor string: Parallels and NVIDIA Corporation OpenGL renderer string: Parallels using NVIDIA GeForce 320M OpenGL Engine OpenGL version string: 2.1 NVIDIA-10.0.19 310.90.10.05b12 Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: yes GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: yes Unity 3D supported: yes