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Thread: Is powerVR libraries acclerated in GMA900 Graphics??

  1. #1
    Junior Member
    Join Date
    Oct 2006
    Posts
    28

    Is powerVR libraries acclerated in GMA900 Graphics??

    Hi, I have the ASUS R2H UMPC.
    It's have a integrated graphics card(GMA900). shared main memory.

    I have executed PowerVR SDK DEMO "OGLESSkyBox.exe"

    When I execute this demo in my desktop, cpu usage is just 5~10%.
    but, In my UMPC CPU usage is already 100%.

    I wonder PowerVR support accleration in GMA900...

  2. #2
    Senior Member
    Join Date
    May 2006
    Posts
    353
    The PowerVR OGLES PC Emulation SDK uses an OpenGL ES on OpenGL wrapper. In other words, if you have installed an OpenGL ICD driver for your GPU and the demos work, it is hardware accelerated.

    The most likely reason you're seeing 100% CPU usage is that you don't have vsync enabled. Without vsync, the demo just tries to render frames as fast as possible, so it takes up all CPU time (on a single core/single thread CPU). How fast does the demo run?
    Georg Kolling, Imagination Technologies
    Please ask questions specific to PowerVR hardware or SDKs on the PowerVR Insider Forum
    DevTech@imgtec.com | http://www.powervrinsider.com

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