How to debug D3D9

It depends on issue, you need to figure out, where is problem. If it's in mesa, you'll need use NINE_DEBUG variable, to know what D3D9 ST doing. For wine, WINEDEBUG=+d3dadapter9,+d3d9 should be enough.

You maybe also interested in apitrace.

• For debugging Windows application you'll need APITrace compiled for Windows
• Windows version is almost always required for replaying

Code: https://github.com/apitrace/apitrace Windows version: http://people.freedesktop.org/~jrfonseca/apitrace/