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don't expect to get support from AMD as they don't support Apple HW directly. Apple write all drivers for Mac them self. you are better ask Apple for support.
Alright, but Apple HW nowadays is just any standard Intel HW, in addition to that, I'm actually not looking necessarily for a driver, what I would like is information from the graphics card about the current load on the GPU and VRAM. If a driver can get me that information, then great, do you have any suggestions as to where to get started to writing a driver to get that information?
If I can get the current load on GPU and VRAM in terminal then I can log that information and simply ask for it every 1 - 5 seconds, this is ideally what I'm looking for, this way I can get accurate readings for the visual effects artists as to what resources their footage renders are using. Do you see where I'm going with this?
Macintosh machines already have a built in way to determine CPU usage and RAM usage, so I can get those both easily enough, what I need now is the GPU and VRAM usage, I'm guessing I can get the GPU clock speed and how much VRAM through the Mac too, but I can't seem to find a way to get the usage, which is why I'm asking.
Just like Apple to write their own drivers huh? I'll post a question on those forums too, but I want to also see what kind of resources or suggestions I can get from here as well.
AMD just provide HW. Apple write SW for them self. AMD provide for example http://www.opengl.org/registry/specs/ATI/meminfo.txt this OpenGL extension which return amount of free memory or this SDK http://developer.amd.com/tools-and-sdks/graphics-development/display-library-adl-sdk/ which can return frequency and temperature. but both of them work only Linux/Windows where is running driver written by AMD. you must ask Apple how to get GPU readings as it is Apple who write the driver for Mac.