HYDRA-796: Readme.md update

README.md

@@ -44,32 +44,30 @@ USD proxies in Viewport 2.0? Some potential reasons include:
 
 ## Known Limitations
 
-- Only direct texture inputs are supported for Maya materials
-- Limited support for Maya shader networks
-- Drawing issues with selection and highlighting
+- Limited Maya material support:
+  - Maya Standard Surface materials are translated into the USD Preview Surface which has limitations in available parameters and does not match one to one (e.g. transparency and opacity)
+  - Only direct texture inputs are supported for Maya materials. No other Hypershade nodes are supported (e.g. ramp or procedural textures)
 - Hydra shading differs from Maya's Viewport 2.0
 - Animation Ghosting has the wrong shading
-- Current limitations with USD prims:
+- Backface Culling
+- Isolate Select only functions with Maya nodes
+- Following Maya node types are not rendered:
+  - Bifrost
+  - nParticles
+  - Fluid
+  - Blue Pencil
+  - Maya's volume and ambient light
+- Current limitations with USD:
   - Maya layers don't show effect
-  - Isolate Select only functions with Maya nodes
-  - Viewport display modes like Xray, wireframe or default shading do not function
-  - Selection highlighting not showing
+  - Viewport display modes like Xray, wireframe or default shading are not supported yet
   - Gprims currently don't cast shadows in Storm
-- No material bindings on GeomSubsets (Hydra v2 limitation)
+  - No material bindings on GeomSubsets (Hydra v2 limitation)
 
-## Currently not supported
+## Limitations with Storm
+- Screen space effects like depth of field and motion blur or Hardware Fog are not supported
+- Limited shadow quality of lights
+- Long loading times and low viewport performance with MaterialX materials with Storm
 
-- Backface culling
-- Screen space effects like depth of field and motion blur
-- Arnold lights except the aiSkyDomeLight
-- Following Maya node types:
-  - Bifrost
-  - nParticles
-  - Fluid
-- Blue Pencil
-- Maya's volume and ambient light
-- Hardware Fog
-- Maya's procedural textures (e.g. noise or pattern)
 
 ## Detailed Documentation
 

README_DOC.md

@@ -1,5 +1,4 @@
 ## Plugin Documentation
 + [Technical details of Hydra for Maya](./doc/mayaHydraDetails.md)
-+ [Selection in Hydra for Maya](./doc/mayaHydraSelection.md)
 + [Selection Highlighting Architecture](./doc/selectionHighlightingArchitecture.md)
 + [Code Coverage Instructions](./doc/codeCoverageInstructions.md)