sfriedmapixar

Untracked memory in OSL

3

Using valgrind's massif profiling tool, I've found several large blocks of memory that aren't accounted for, where the unaccounted memory is dwarfing the accounted. The biggest is that the ShadingContext...

Defining a canonical interface to random numbers

13

### Problem We currently don't have a standard way for shaders to access random-number-generation facilities build into a renderer. The closest we have is noise functions, but in sample-based numerical...

fix(batched): Assume BatchedRendererServices texture derivatives are in st space.

3

The convention in the single-point RendererServices is that the texture call returns derivatives in st space, and they are transformed to xy space before returning from the wrapper to RenderServices....

Feature: Ability to sparsely gather scalar values and connect them to elements of a dynamic or statically sized array parameter

2

## Description This requires you to first declare a setting for the dynamic array input that will be used to size and provide values for any unconnected elements of the...