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CheckDeviceFormat issue

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Hi I have a GF5700 (yes yes, about time to upgrade...) and I have a problem with CheckDeviceFormat (that amoung other things should tell me if the render target I am trying to create is supported by my device). If I open caps viewer and search for the supported render targets, the format D3DFMT_G32R32F is missing (only half percision is supported). However, when I call CheckDeviceFormat with that format, it returns with a non-negative value. Is this a bug or am I missing something? Doron

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As I understand it, the caps viewer gets its information the same way you get it. One thing to check is if when you're asking for the format you're asking about a render target (in the usage parameter).

I'd also suggest looking at NVIDIA's docs (available on their dev site) to see what the GeForceFX family supports.

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