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I have Catalyst 12.10 and I can still see that extension. Try query values event driver don't advertise that extension. Another thing is there are some interesting defines under cl_amd_device_attribute_query in cl_ext.h like CL_DEVICE_BOARD_NAME_AMD or CL_DEVICE_GLOBAL_FREE_MEMORY_AMD. I tryed pass them into clGetDeviceInfo and they seems works. At least with SDK 2.7
Thank you very much.
The missing extension is reported using some extension viewer like OpenGL extensions viewer or glewinfo.
I 'm using Windows 7 - XP. I noticed that this extension is not available using the command glGetInteger(TEXTURE_FREE_MEMORY_ATI, ...). It works with catalyst 12.8 but with 12.10 and also 12.11 beta driver give me invalid enum error.
Thanks for your feedback. I will try your suggestions.