Mem release

pxr/imaging/plugin/hdRpr/CMakeLists.txt

@@ -152,6 +152,7 @@ pxr_plugin(hdRpr
     PRIVATE_HEADERS
         baseRprim.h
         api.h
+        resourceWatcher.h
 
     RESOURCE_FILES
         plugInfo.json
@@ -163,6 +164,7 @@ pxr_plugin(hdRpr
         ${CMAKE_CURRENT_BINARY_DIR}/config.cpp
         ndrDiscoveryPlugin.cpp
         ndrParserPlugin.cpp
+        resourceWatcher.cpp
 )
 
 if(RPR_EXR_EXPORT_ENABLED)

pxr/imaging/plugin/hdRpr/renderDelegate.cpp

@@ -44,6 +44,8 @@ limitations under the License.
 #include <sstream>
 #include <cstdio>
 
+#include "resourceWatcher.h"
+
 PXR_NAMESPACE_OPEN_SCOPE
 
 static HdRprApi* g_rprApi = nullptr;
@@ -186,9 +188,11 @@ HdRprDelegate::HdRprDelegate(HdRenderSettingsMap const& renderSettings) {
     }
 
     m_lastCreatedInstance = this;
+    InitWatcher();
 }
 
 HdRprDelegate::~HdRprDelegate() {
+    NotifyRenderFinished();
     g_rprApi = nullptr;
     m_lastCreatedInstance = nullptr;
 }
@@ -386,11 +390,13 @@ bool HdRprDelegate::IsPauseSupported() const {
 }
 
 bool HdRprDelegate::Pause() {
+    NotifyRenderFinished();
     m_renderThread.PauseRender();
     return true;
 }
 
 bool HdRprDelegate::Resume() {
+    NotifyRenderStarted();
     m_renderThread.ResumeRender();
     return true;
 }