[Gegl-developer] Introduction to GEGL Buffers

[Nicolas Robidoux]

J. Perpetua writes:
> ...
> OpenGL can only process 1-4 tuples of vector data in the shader
> level, so I can't imagine how we can provide support for Babl
> formats with channels exceeding 4.  Also, current generation GPUs
> don't support double-precision floating point data.  Providing
> support for RGBA doubles, for example, is difficult.

My impression is that currently everything is done with float[4] RGBA
pixels (converted from/to whatever by BABL) within GEGL operations.

Nicolas Robidoux
Laurentian University