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Hummingbird Exceed 3D GLX direct rendering failed with NVidia Geforce4 TI
Hummingbird Exceed 3D GLX direct rendering failed with NVidia Geforce4 TI
series. I'm asking for your help. Any one who will gives a little help would be greatly appreciated. I'm using Geforce4 TI 4200 under WinXP env. for developing Hummingbird Exceed 3D OpenGL apps. But I only see empty screen displayed if Exceed xconfig GLX direct rendering option is activated. With 3.xxx detonator drivers, previous chipset such as geforce 3 or gts worked nicely when direct rendering is on. As you all know, direct rendering option gives siginifcant performance gain. If hardware acceleration is off with direct rendering option is on, I could see OpenGL window but it's very very slow like with an old Geforce MX graphic card. and especially for my case. without direct rendering option, I cannot work with 2 or more opengl apps that I've been developing. There's a crash when resizing window or animating some object in window simultaneously. I think that it's a sort of client to server data transfer problem from different client at the same time. Unfortunately I've tried all possible combination of glFinish(), glFlush(), glXWaitGL(), glXWaitX(), XSync(). but could not solve this problem at all. First of all, I want to know which graphic card still supports Hummingbird Exceed direct rendering ? and does empty window intended by NVidia or Hummingbird ? or a bug ? and secondly, anyway If direct rendering is disabled forever. How can I fix this programming bug ? ( my application has no problem if compiled and executed in unix workstation such as SGI or HP ) thx in advance. Dong-ki Lee |
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