Comment:
Declan: added not about userdata from procs not being supported
...
Supported Features and Known Limitations
Div
style
width:100%
Feature
GPU Support
Notes
Cameras
cyl_camera
Yes
fisheye_camera
Yes
ortho_camera
Yes
persp_camera
Yes
spherical_camera
Yes
uv_camera
Yes
vr_camera
Yes
Color Managers
color_manager_ocio
Yes
color_manager_syncolor
Yes
Drivers
cryptomatte_manifest_driver
No
driver_deepexr
No
driver_exr
Yes
driver_jpeg
Yes
driver_png
Yes
driver_tiff
Yes
Filters
blackman_harris_filter
Yes
One single filter for all AOVs.
box_filter
Yes
One single filter for all AOVs.
gaussian_filter
Yes
One single filter for all AOVs.
triangle_filter
Yes
One single filter for all AOVs.
closest_filter
Yes
One single filter for all AOVs.
All other filters
No
Fallback to box filter. One single filter for all AOVs.
Lights
cylinder_light
Yes
disk_light
Yes
distant_light
Yes
mesh_light
Yes
photometric_light
Yes
point_light
Yes
quad_light
Yes
Light portals supported
skydome_light
Yes
spot_light
Yes
Operators
collection
Yes
disable
Yes
include_graph
Yes
materialx
Yes
merge
Yes
set_parameter
Yes
set_transform
Yes
switch_operator
Yes
options
Yes
override
Yes
Shaders
abs
Yes
add
Yes
ambient_occlusion
Yes
Trace sets are not supported.
aov_read_float
Yes
aov_read_int
Yes
aov_read_rgb
Yes
aov_read_rgba
Yes
aov_write_float
Yes
aov_write_int
Yes
aov_write_rgb
Yes
aov_write_rgba
Yes
atan
Yes
atmosphere_volume
Yes
barndoor
Yes
blackbody
Yes
bump2d
Yes
bump3d
Yes
c4d_texture_tag
Yes
c4d_texture_tag_rgba
Yes
cache
Yes
This is a no-op on GPU.
camera_projection
Yes
car_paint
Yes
cell_noise
Yes
checkerboard
Yes
clamp
Yes
clip_geo
No
color_convert
Yes
color_correct
Yes
color_jitter
Yes
compare
Yes
complement
Yes
complex_ior
Yes
cross
Yes
cryptomatte
No
curvature
Yes
Trace sets are not supported.
divide
Yes
dot
Yes
exp
Yes
facing_ratio
Yes
flakes
Yes
flat
Yes
float_to_int
Yes
float_to_matrix
No
float_to_rgb
Yes
float_to_rgba
Yes
fog
Yes
fraction
Yes
gobo
Yes
image
Yes
Mip-map bias is not supported.
is_finite
Yes
lambert
Yes
layer_float
Yes
layer_rgba
Yes
layer_shader
Yes
length
Yes
light_blocker
Yes
light_decay
Yes
log
Yes
matrix_interpolate
No
matrix_multiply_vector
Yes
The matrix parameter is not linkable on GPU.
matrix_transform
No
matte
No
max
Yes
maya_layered_shader
Yes
min
Yes
mix_rgba
Yes
mix_shader
Yes
modulo
Yes
motion_vector
No
multiply
Yes
negate
Yes
noise
Yes
normal_map
Yes
normalize
Yes
osl
Yes
Some limited support for closures and shading operations.
passthrough
Yes
physical_sky
Yes
pow
Yes
query_shape
Yes
ramp_float
Yes
Connected colors and positions not supported.
ramp_rgb
Yes
Connected colors and positions not supported.
random
Yes
range
Yes
ray_switch_rgba
Yes
ray_switch_shader
Yes
reciprocal
Yes
rgb_to_float
Yes
rgb_to_vector
Yes
rgba_to_float
Yes
round_corners
Yes
Trace sets are not supported.
shadow_matte
Yes
This initial version has a number of limitations currently, including: no support for indirect lighting, no AOV generation, and possibly incorrect self-reflections in shadow-matte objects.
shuffle
Yes
sign
Yes
space_transform
Yes
Camera and screen spaces are not supported.
sqrt
Yes
standard_hair
Yes
extra depth and extra samples are not supported
standard_surface
Yes
Diffusion SSS mode is not supported.
Transmit AOVs is not supported (so, for example, you'll get solid white in the alpha for transmission)
standard_volume
Yes
state_float
Yes
state_int
Yes
state_vector
Yes
subtract
Yes
switch_rgba
Yes
switch_shader
Yes
toon
No
trace_set
No
trigo
Yes
triplanar
Yes
two_sided
Yes
user_data_float
Yes
User data inherited from parent procedurals is not currently supported
user_data_int
Yes
User data inherited from parent procedurals is not currently supported
user_data_rgb
Yes
User data inherited from parent procedurals is not currently supported
user_data_rgba
Yes
User data inherited from parent procedurals is not currently supported
user_data_string
No
Yes
User data inherited from parent procedurals is not currently supported
utility
Yes
The edgelength, pixelerror, and nlights color modes are not supported.
uv_projection
Yes
uv_transform
Yes
vector_map
Yes
vector_to_rgb
Yes
volume_sample_float
Yes
volume_sample_rgb
Yes
wireframe
Yes
Shapes
box
Yes
Trace sets are not supported.
cone
No
curves
Yes
Trace sets are not supported. Oriented curves are not supported.