RE: [AD] DirectX Windowed mode, one more try

["Isaac Cruz" <ICRUZBAL@xxxxxxxxxxx>]

Here are several bugfixes for windowed driver.
Now you can move the window where you want, or even minimize it. The window is
no more resizable


> Yes, and the header file changes weren't in the diff either.

The only changed header file, wddraw.h, is in the diff file (edit it and see)

> Have you tested it in other bit depths?

It should work correctly in both 16 and 32 bit modes.

> I think the biggest problem is that DX doesn't support hardware blits
> between surfaces with different palettes (well maybe it does, but I don't
> think it will do conversions between the palettes). So maybe we need to fall
> back to a software conversion when the desktop is in 8 bit.

DX don't performs conversion, but GDI does (but I don't know very much)

> The problem is the 10 first & 10 last colors of the palette. We could create
> a lookup table that would map those 20 colors from the original palette to
> the resulting palette (which is the same as the original except for those 20
> colors). The backbuffer would then be blitted to the desktop surface using a
> specific software blitter that uses our (small) lookup table for pixels
> using those 20 colors. This won't always look good, but it will look as good
> as possible.

It looks a good idea, but if we use a software blit 70 times a second it will be
slooooow. But I think there isn't another possibility.

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