Replace fixed C arrays with wrapper class in public interface

* These map more naturally to python tuples and are easier to wrap in and out.
* We also tidy up the FloatVecVal etc and standardise the members of
  ShaderValue.

docs/conf.py

@@ -421,7 +421,7 @@ def build_finished(app, exception):
             if 'INTERNAL:' not in str(module.__dict__[item].__doc__):
                 items.append('{}.{}'.format(module_name, item))
 
-    items = set(filter(lambda i: re.search('__|SWIG|ResourceId_Null|rdcarray_of|Structured.*List', i) is None, items))
+    items = set(filter(lambda i: re.search('__|SWIG|ResourceId_Null|rdcfixedarray_of|rdcarray_of|Structured.*List', i) is None, items))
 
     # Remove any documented/indexed python objects
     items -= set(app.env.get_domain('py').objects.keys())

docs/python_api/renderdoc/shaders.rst

@@ -129,15 +129,3 @@ Shader Variables
 .. autoclass:: renderdoc.PointerVal
   :members:
 
-.. autoclass:: renderdoc.FloatVecVal
-  :members:
-
-.. autoclass:: renderdoc.DoubleVecVal
-  :members:
-
-.. autoclass:: renderdoc.UIntVecVal
-  :members:
-
-.. autoclass:: renderdoc.IntVecVal
-  :members:
-