Extend system-info with information about OIIO, OCIO and OSL

Summary:
Version of those libraries might be useful to know.

- OIIO and OCIO is exposed via bpy.app.oiio and bpy.app.ocio.
  There're "supported", "version" and "version_string" defined
  in those modules.

- OSL is available as _cycles.osl_version and _cycles.osl_version_string.

Reviewers: campbellbarton

Reviewed By: campbellbarton

CC: dingto

Differential Revision: http://developer.blender.org/D79

1 files changed, 10 insertions, 0 deletions

diff --git a/intern/opencolorio/ocio_capi.cc b/intern/opencolorio/ocio_capi.cc
index 30668dff245..47ee3afddfd 100644
--- a/intern/opencolorio/ocio_capi.cc
+++ b/intern/opencolorio/ocio_capi.cc
@@ -338,3 +338,13 @@ void OCIO_freeOGLState(struct OCIO_GLSLDrawState *state)
 {
 	impl->freeGLState(state);
 }
+
+const char *OCIO_getVersionString(void)
+{
+	return impl->getVersionString();
+}
+
+int OCIO_getVersionHex(void)
+{
+	return impl->getVersionHex();
+}