JBI wrote:

Affinity was the closest Photoshop competitor that I could find that
offered functionality as close as possible to Photoshop. It still lacks
some features, but the developers run a forum and are very responsive to
suggestions and bug reports. That being said, it still seems to have
stability problems and, from my research and experience, most of the
issues happen with older computers (not enough ram or fast enough CPU,
etc).

Is there any way to switch over to WARP from GPU acceleration ?

The Mac version of Affinity has the ability to disable GPU
acceleration, while the Windows one doesn't. To switch to
WARP (a software fallback available in an SDK) would be less
painful if it was supported right in the program itself.

"Windows Advanced Rasterization Platform"
https://docs.microsoft.com/en-us/win...ow-to-use-warp

Windows has DirectX and OpenGL (or Vulkan) support,
and WARP is a software method of doing the DirectX
features without a fancy GPU.

Programs can also have their own software fallback
paths, so they don't absolutely have to use WARP.
There are other ways to do it. In the same sense
as Linux has MESA3D for emulation, versus a
proprietary stack that comes with an NVidia or
AMD hardware driver.

The folks at Adobe have been doing hardware acceleration
for more than 20 years, and are old hands at switching
between acceleration devices. At one time, you could
buy a small plugin card with a dual DSP running at 50MHz
and that used to accelerate some Photoshop plugins.
I don't know of any other similar efforts before
Adobe tried this. Whereas there's a lot more hardware
acceleration today because of CUDA and OpenCL type stuff.
The only real problem with hardware acceleration, is the
lack of programmers in the general population familiar
with it.

And as with any Windows topic like this, you will waste
at least half the day triangulating "which SDK do I want" :-/
That's the part of these experiments I hate, is downloading
a 2GB file, only to discover the 50KB thing I wanted from
the 2GB file, isn't in there. And some discussion thread
will suggest a different file, I download it... and same story.
That's one of the reasons I'm not rushing off to find it.
Been there... and bought the wrong Tshirt.

Paul