![]() ![]() ![]() Some apps do not work correctly with TRAA. The standard control-panel setting (REPLAY_MODE_ALPHA_TEST|REPLAY_MODE_PIXEL_KILL|REPLAY_SAMPLES_FOUR) OGL and D3D - CP, can be gamma correctedĬontains one of the methods enumerated belowĪntialiasing - Transparency Supersampling Use gamma corrected AA mode when possible (2X diagonal and 4x only, at this time)Ĭontrols method and number of antialising samples The number of bytes needed for non-AA render targets divided by 4Īntialiasing - Transparency Multisampling The number of bytes needed for AA render targets divided by 4 (not including the AA buffers themselves) Map VCAA modes to their equivalent multisampling formatĭisable transparency supersampling mode for SLIĭon't check the render target dimensions when considering enhance mode However, after disabling nView I could not reproduce the hang. Before doing this I was able to consistently reproduce the hang. Shared Direct3D and OpenGL Settings for 3D profiles Setting ID (32-bit hex)įlags for altering how the driver interprets 'Antialiasing - Setting' To work around the problem, I disabled nView Desktop Manager (Right click on the desktop, select nView Properties, and click disable in the nView Desktop Manager groupbox). This setting specifies the severity of events logged into the tmonlog by the OpenGL driver. Select hardware default based on capabilitiesĬontrols whether NV_gpu_multicast operation is supported or notĭisable multicast (overrides environment variable)Īllow multicast + mosaic (requires enable bit or env var) High level control of the rendering quality on OpenGL Use software emulation ( mergeblit ) overlays The use of gpu_affinity always overrides the default render GPU.Įxport both LPD_TYPE_COLORINDEX and LPD_TYPE_RGBA This string is set by the control panel and not meant to be set directly by the user. Autoselect means the driver chooses based on a heuristic that favors the biggest quadro. This setting specifies the severity of events logged into the Windows Event log by the OpenGL driver.Ĭontrols selection of the default render GPU. Swap intervals are treated as negative or positive values depending on value (0-positive, 1-negative) Sync to VSync default value which is vsync to 1 vsyncĬontrols how the current scan line evaluated for a (un)synced flip with negative intervals. In order to force VSYNC ON or OFF, use VSYNCMODE This causes DWM to be disabled on Vista, but not on Win7.Ĭontrols the number of V-blank signals from the display to wait before rendering a frame (SwapInterval) on OpenGL. ![]() It caused me a LOT of grief chasing this one down.OpenGL Settings for 3D profiles Setting ID (32-bit hex)ĭisable 10bpc displayport scanout when a 10bpc application launches, this causes the 10bpc rendering to be downgraded at present or scanout time, but keeps DWM enabled on Vista (this is irrelevant to Win7, because DWM supports 10bpc scanout on win7)Įnable 10bpc displayport scanout when a 10bpc application launches. Thus, this appears to be a viable workaround.Īnyway, I posted this up here in case it will be useful to anyone. To work around the problem, I disabled nView Desktop Manager (Right click on the desktop, select nView Properties, and click disable in the nView Desktop Manager groupbox). Although the assembly instructions and register values described online do not exactly match those in our log, they were close enough for me to conclude that it is the same issue. See: Ī detailed investigation of this problem is available on this site:Īs per this article, the hang is due to an infinite loop in nview.dll. This is supported by the fact that explorer uses 100% CPU, as confirmed by these reports. Postings on the internet about nview!NVLoadDatabase suggest that there is an unpatched defect in nview. ![]() This is interesting because nView is a 3rd party DLL provided by NVidia. Why did this problem only occur in production? nVidia Video Drivers with nView enabled.Windows XP based Workstation with 2 monitors.I was recently working on a windows program that would sometimes become unresponsive when scrolling through a large list of items in a production environment. ![]()
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