![]() The new Windows 8 display subsystem will also optimize for performance. On many GMA devices, this can be seen in IE 10 where the scrolling is completely smooth on hardware which won't scroll smoothly under Windows 7 under any browser, much less the Explorer file browser (by the same token, the CPU hit for the scrolling is~40-60%). Microsoft also added an additional subset of software rendering in order to blend CPU and GPU rendering, especially on DirectX 9 hardware. As such they relaxed the standard for WDDM 1.2 drivers to DirectX 9. Microsoft found that there were too many legacy Direct 9 GPU hardware, mostly integrated Intel chipsets as well as a smaller number of embedded style laptop nVidia and ATi GPUs which in hardware could never run DirectX 10. DirectX, OpenGL, H.264 and DXVA are all heavily used for rendering Metro Apps, especially DirectX (many Apps ported from Android / iOS probably use all OpenGL though). Originally, Microsoft was going to require Directx 10 for WDDM 1.2 (Windows drivers. Some hardware just cannot handle the variable length kernel clock ticks now in use. Under Windows 8 though, a new BSOD source has cropped up from the new dynamic tick system combined with a superior sleep system. Most of the rest are poorly written anti-virus and a small portion are genuine hardware or software conflicts otherwise. Graphics drivers are just about the only drivers still allowed to hook at the SYSTEM kernel level, and as such are responsible for probably more than 70% of BSOD type crashes by most expert estimates. I have a GMA 600 and thought I was shafted since the drivers just suck and many simple Metro Apps crash (Minesweeper, various star charts, etc.) though all of the built in Microsoft apps work fine. ![]() Secondly, I'm not sure, but it looks like something rather specific is broken in the GMA 3600 drivers, not just a missing feature, but a true driver bug. Regarding the Metro Apps crash people are having.įirst, the desktop must be 1024x768 minimum resolution for Metro Apps.
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