“GPU-accelerated AVC rendering
NVIDIA: GPU-accelerated AVC rendering requires a CUDA-enabled GPU and NVIDIA driver 270.xx or later with a GeForce GTX 4xx Series or newer GPU.
ATI: OpenCL GPU-accelerated rendering requires an OpenCL-enabled ATI GPU and AMD Radeon Catalyst driver 11.7 or later with an AMD Radeon HD 57xx or newer GPU. AMD FirePro GPU should have 8.85 or newer.”
Stuck myself with a AMD Radeon HD 5680, so pissed off…