Re: XNA Quest of IDirect3DDevice9Ex

It would be interesting to know if Microsoft intends to change this behaviour in some future update to the XNA framework so this could be done without your magic hackery...

Re: XNA Quest of IDirect3DDevice9Ex

You and me both!

Re: XNA Quest of IDirect3DDevice9Ex

Why don't you add a request on connect site for XNA?

Re: XNA Quest of IDirect3DDevice9Ex

I hope you will achieve success. Without IDirect3DDevice9Ex performance is very poor.

Re: XNA Quest of IDirect3DDevice9Ex

I did hack the XNA dlls enough to get IDirect3DDevice9Ex working with XNA, and peformance was great! Though I did still have issues that I could not fix with the ContentManager. It seems as if the ContentManager loads textures into the system memory pool and creates a bunch of mip levels for it (I think) and it has problems when it gets to a level 7 or 8. Odd.

Re: XNA Quest of IDirect3DDevice9Ex

I don't use ContentManager, give me your dll's to test it with my system! daVinci{at}mail.ru

Re: XNA Quest of IDirect3DDevice9Ex

How is your work with improving XNA going along?

Re: XNA Quest of IDirect3DDevice9Ex

Have you considered just using reflector to decompile the entire Microsoft.Xna.Framework.Game assembly, change the code and recompile? There's a plugin for reflector:
http://www.denisbauer.com/NETTools/FileDisassembler.aspx

It even creates a vsproj which compiles the library with only a few minor modifications, seems to run great. I'm considering what it would mean to rewrite it to be D3DImage based rather than Winforms based -- remove the entire orphaned window and present a clean API.

Re: XNA Quest of IDirect3DDevice9Ex

Wish it was that easy. XNA is written in CLI/C++ so there some IL and some machine code in there.

Re: XNA Quest of IDirect3DDevice9Ex

Have you considered just using reflector to decompile the entire Microsoft.Xna.Framework.Game assembly, change the code and recompile? There's a plugin for reflector:
http://www.denisbauer.com/NETTools/FileDisassembler.aspx

It even creates a vsproj which compiles the library with only a few minor modifications, seems to run great. I'm considering what it would mean to rewrite it to be D3DImage based rather than Winforms based -- remove the entire orphaned window and present a clean API.

Re: XNA Quest of IDirect3DDevice9Ex

Odd double post, sorry about that.
Actually, it is that easy. As long as you work only in Microsoft.Xna.Framework.Game, that assembly doesn't seem to have any of the C++/CLIisms.

Here's what I did to get good results -- I decompiled that assembly, changed over the winforms infrastructure to listen to WPF window events and such, use pinvoke to a private dll which creates a custom 9Ex device on Vista which has overrides for the CreateTexture/VB/IB/etc function calls to convert D3DPOOL_MANAGED to D3DPOOL_DEFAULT for just that 9Ex device. Voila, no more winforms, 9Ex and 9 are handled seamlessly, and the rest of the platform just works.

Fun stuff.

Re: XNA Quest of IDirect3DDevice9Ex

Looks like this might not be an issue for much longer, at least come .NET 4.0. Microsoft showed off a demo of XNA integration with WPF at PDC on Tuesday. If you want to see it in action, you can see the session video at the PDC site:

https://sessions.microsoftpdc.com/public/timeline.aspx

The session is PC46 (WPF Roadmap), XNA demo is around the 38 minute mark. I'm hoping they'll go into more details during the WPF Graphics Futures talk today (Session PC07). Might be a bit down the road, but it's encouraging that they're working on it.

Re: XNA Quest of IDirect3DDevice9Ex

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