site_archiver@lists.apple.com Delivered-To: pro-apps-dev@lists.apple.com Hi Christoph, Thanks for the tip! I just added it, but I still get the black screen. After reading through some other postings, it occurred to me to check the pixel type. It looks as if the image is 16bit Floats. I wonder if this is a potential problem, as I am providing 32-bit float values in my LUT. The rounding inconsistencies alone would cause the LUT to be useless.. :( Still, I guess I am wondering if I am setting this up properly. Should I supply a 16-bit Integer LUT as a texture? -- this is ideal, as that is what I started with. bob.. On Jul 20, 2011, at 6:31 AM, Christoph Vonrhein wrote:
Hi Kevin,
always put a glFlush(); after the glEnd(); or before your method ends, so that OpenGL finished its work before FCP/Motion reads the frame.
Christoph
On Jul 20, 2011, at 1:10 AM, Robert Monaghan wrote:
Hi Everyone,
Making the dive into the wonderfully confusing world of OpenGL. Can anyone point to an example of using multiple textures within an GLSL based Filter? I am trying to create a 1D Lookup Table, and it is proving to be a big pain. There doesn't appear to be any way to debug what is going on.
Here is a code snapshot of what I am doing: (Excuse the poor formatting)
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