http://bugs.winehq.org/show_bug.cgi?id=59256 --- Comment #2 from John P <bugs.winehq.org.odk14@passmail.com> --- I ran WINEDEBUG=+synchronous,+opengl wine target/x86_64-pc-windows-gnu/debug/egui-wine-test.exe and got some useful output. Here's three types of messages I'm getting that seem like culprits: 0740:trace:opengl:wglDescribePixelFormat hdc 0000000015010056, index 150, size 40, ppfd 00007FFFFE2FE0E0 0740:trace:opengl:wglChoosePixelFormat stencil mismatch for iPixelFormat=150 0740:trace:opengl:wglDescribePixelFormat hdc 0000000015010056, index 180, size 40, ppfd 00007FFFFE2FE0E0 0740:trace:opengl:wglChoosePixelFormat color mismatch for iPixelFormat=180 0740:trace:opengl:wglDescribePixelFormat hdc 0000000015010056, index 181, size 40, ppfd 00007FFFFE2FE0E0 0740:trace:opengl:wglChoosePixelFormat PFD_DRAW_TO_WINDOW required but not found for iPixelFormat=181 I'll attach the full output -- Do not reply to this email, post in Bugzilla using the above URL to reply. You are receiving this mail because: You are watching all bug changes.