Hello I am trying to use an floating point FBO attachment for vertex texture fetch, this doc (http://download.nvidia.com/developer/Papers/2005/OpenGL_2.0/NVIDIA_OpenGL_2.0_Support.pdf)
“â€¢ While 1D and 2D texture targets for vertex textures are supported, the 3D, cube
map, and rectangle texture targets are not hardware accelerated for vertex
which I take to mean I must use power of 2… and then says the exact opposite…
“These features are supported for hardware-accelerated vertex textures:
â€¢ All wrap modes for S and T including all the clamp modes, mirrored repeat, and
the three â€œmirror once then clampâ€ modes. Any legal border color is allowed.
â€¢ Level-of-detail (LOD) bias and min/max clamping.
â€¢ Non-power-of-two sizes for the texture image width and height.”
Is it possible to use a power of 2 floating point texture with FBO or if that fails at none power of 2 floating point texture with VTF without it falling into software?