“alpha blending with d3dfmt a16b16g16r16f is not supported” error occurs in Dishonored when “SoftwareOnly” setting is enabled in the registry. In this post, you’ll learn how to fix it quickly.
Fix 1: Disable “SoftwareOnly” setting from the registry
Follow the steps below:
- Close Steam.
- Open Windows registry editor (Press Windows + R and type “regedit”).
- Navigate to HKEY_LOCAL_MACHINE > SOFTWARE > Wow646432 > Microso ft > Direct3D > Drivers
- Right-click on “SoftwareOnly” and click modify.
- Set its value to “0” (Default is “1”).
- Open Steam.
- Launch Dishonored.
“alpha blending with d3dfmt a16b16g16r16f is not supported” error will be gone now 🙂