On my 8600M, it seems like the values in my floating-point FBOs are being clamped (I want them unclamped), both in fixed and shader pipelines. As verification, I read back the buffers and checked their values and those that are meant to be >1.0 are stuck at 1.0.
3. How does the clamping control affect the blending equation?
RESOLVED: For fixed-point color buffers, the inputs and the result of the blending equation are clamped. For floating-point
color buffers, no clamping occurs.
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