Critical Workload Check

A graphics processing system comprising:

• a graphics processing unit for performing safety-critical rendering, the graphics processing unit being configurable according to configuration data for initialising rendering;
• a host data processing system configured to generate configuration data for initialising rendering of safety critical graphical data at the graphics processing unit and to cause the graphics processing unit to be configured according to the configuration data for initialising rendering;
• and
• external to the graphics processing unit, a safety controller arranged to:
• determine whether the graphics processing unit is correctly configured in accordance with the configuration data;
• and
• determine that an initialisation error has occurred in response to determining that the graphics processing unit is not correctly configured in accordance with the configuration data.

A non-transitory computer readable storage medium having stored thereon computer readable instructions that, when executed at a computer system, cause the computer system to initialise rendering at a graphics processing unit configured to perform safety-critical rendering within a graphics processing system, comprising:

• generating configuration data for initialising rendering of safety critical graphical data at the graphics processing unit;
• receiving the configuration data for initialising rendering at the graphics processing unit;
• configuring the graphics processing unit in accordance with the configuration data for initialising rendering;
• determining whether the graphics processing unit is correctly configured in accordance with the configuration data;
• and
• determining, by a safety controller external to the graphics processing unit, that an initialisation error has occurred in response to determining that the graphics processing unit is not correctly configured in accordance with the configuration data.