http://bugs.winehq.org/show_bug.cgi?id=6480
------- Additional Comments From hverbeet@gmail.com 2006-31-12 20:08 ------- That's a registry setting now. HKCU/Software/Wine/Direct3D/OffscreenRenderingMode, set it to "pbuffer" to enable pbuffers, "fbo" for framebuffer objects. Anything else will use the backbuffer for offscreen rendering. "fbo" should in theory work best, but right now that doesn't work for HL2.