Update documentation for RMV 1.4 release.

Author: ahosier

documentation/source/conf.py

@@ -54,9 +54,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = u'1.3.0'
+version = u'1.4.0'
 # The full version, including alpha/beta/rc tags.
-release = u'1.3.0'
+release = u'1.4.0'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

documentation/source/heap_overview.rst

@@ -7,10 +7,24 @@ using and where that memory is allocated. It can be used to very quickly
 determine if the application is using too much memory of a certain type
 and if the correct memory type is being used where it should be.
 
+RMV is able to detect if a memory trace was taken from a system with
+Smart Access Memory (SAM) enabled. SAM gives the CPU direct access to
+all available video memory. More information on SAM can be found in the
+GPUOpen article, "How to get the most out of Smart Access Memory" located
+at https://gpuopen.com/learn/get-the-most-out-of-smart-access-memory/
+
+The top line of the Heap overview pane indicates if SAM is enabled or
+disabled.
+
+When SAM is disabled, the display is split into 3 sections, one section per
+heap type. There is a brief description of the use for each heap.
+
 .. image:: media/snapshot/heap_overview_1.png
 
-The display is split into 3 sections, one section per heap type. There is
-a brief description of the use for each heap.
+When SAM is enabled, the section for the invisible heap is not shown since
+all memory is visible to the CPU.
+
+.. image:: media/snapshot/heap_overview_2.png
 
 On the left is the amount of memory used for each heap type as a series
 of bar graphs:

documentation/source/media/snapshot/heap_overview_1.png

@@ -110,8 +110,9 @@ time and returning back to the **Snapshot generation** will now show the table
 fully populated for the selected snapshot.
 
 Right-clicking on a snapshot in the table will show a context menu allowing the snapshot
-to be renamed or deleted. Snapshots are saved back to the trace file so they can be
-viewed at a later date.
+to be renamed or deleted. Snapshots can be renamed using any printable ASCII character,
+including spaces. Snapshot names are limited to 32 characters. Snapshots are saved back
+to the trace file so they can be viewed at a later date.
 
 Two or more snapshots can be selected in the table by holding down the shift key to
 select a range of snapshots or pressing Ctrl to select individual snapshots.