Manual
Page 32
... helps to select settings that use one of these APIs. These settings are provided for resolving certain incompatibilities within 3D applications that are exclusively for the Direct3D® and OpenGL® Application Programmable Interfaces (API). GV-RX13256DP-RH Graphics Accelerator - 30 - You can change the settings for the following 3D features as you normally...
... helps to select settings that use one of these APIs. These settings are provided for resolving certain incompatibilities within 3D applications that are exclusively for the Direct3D® and OpenGL® Application Programmable Interfaces (API). GV-RX13256DP-RH Graphics Accelerator - 30 - You can change the settings for the following 3D features as you normally...