What is the license for these DirectX 12 headers?

The headers are licensed under the Apache License, Version 2.0.

Are these headers compatible with Free Pascal (FPC)?

Yes, these headers are specifically designed to work well with FPC and address known issues with JSB headers in FPC.

What version of the DirectX 12 SDK are these headers based on?

These headers are based on the SDK 10.0.17763.0 SDK (October 2018 release).

Can I use these headers in commercial projects?

Yes, the Apache 2.0 license allows for commercial use.

Are there any examples included to help me get started?

Yes, the package includes examples to demonstrate how to use the headers.

How do these headers compare to JSB headers?

This header translation is NOT based on the JSB headers. It addresses issues and limitations found in JSB headers, especially for FPC.

What if I have existing code based on JSB headers?

If you have a large existing codebase based on JSB headers and don't want to make significant changes, you might consider sticking with JSB. However, for new projects or FPC development, these headers are recommended.

Do these headers support inline functions?

Inline functions within interfaces are translated for FPC in some headers (still ongoing work). Delphi does not natively support helper classes for interfaces like FPC does.

What kind of support is available for these headers?

UBOS and the community provide support through forums and documentation. Check the UBOS website for the latest information on support resources.

DelphiDX12

DirectX 12 Headers for Delphi and FPC based on SDK 10.0.17763.0 SDK Oct 2018

The files are available under Apache License, Version 2.0. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

So this license should be okay also for commerical projects.

This header translation is NOT based on the JSB headers

The HelperFiles are translated to be used with Delphi/FPC. Therefore there are more functions then in the original header file since Pascal syntax doesn’t support default values of a function as a result of another function.

But the use should be straight forward. Looks to the examples if any questions.

WHEN you should use this headers: if you plan a new software release and you are not based on much older source code. WHEN you should NOT use this heades: when you have existing source code based on the JSB headers and don’t want to change a LOT.

You MUST use this if you work with FPC. The JSB Headers are buggy for FPC cause interfaces not based on IUnknown are solved with abstract classes in Delphi, which will not work on FPC. FPC has the CORBA Interface compiler switch. Also FPC supports BITPACKED RECORDS.

The inline functions of the interfaces are translated to FPC in some headers (still some work todo). FPC supports now helper classes for interface. In Delphi you miss this feature. Maybe someday…