So ... what do you do when someone attaches max_samplers' worth of
RGBA32F textures to a single stage? My guess is that you just fail to
render and tell the application author, "don't do that". The
alternative is to expose 1/4th of the true maximum, which is probably
undesirable.
Normally these ki
We are writing a driver for some proprietary hardware using Gallium. And
this hardware supports GL_ARB_texture_float, but requires to change texture
format from PIPE_FORMAT_R32G32B32A32_FLOAT to PIPE_FORMAT_R8G8B8A8_UNORM
and use four samplers (one R8G8B8A8_UNORM texture for each original color).
H