On Thu, May 8, 2008 at 4:19 PM, 常辉 <[EMAIL PROTECTED]> wrote: > Hi, > Our current works need to readback more pixel data other than color and > depth, just like normal or diffuse color to compositing remotely.
I understand that you want to read back floating point FBO's, right? > > I've browsed source codes in client lib, but in my oppinion, the two > eq::Image::Pixel objects '_colorPixels' and '_depthPixels' restrict the > readable pixel data to no more than 64 bits totally. > Could anybody give some advice about how to readback frame data more than > 64bits/pixel and how to readback pixel data by the methods other than > 'glReadPixels', must we rewrite the eq::Image class completely? Please extend the Image class to support the format and types you need, and send me the patch. It was just needed so far. Regarding glReadPixels: What do you have in mind? I've experimented with PBO's, but it is #ifdef'd out right now. HTH, Stefan.
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