Support lazy CGraphics::CommitResources

Runtime/CMain.cpp

@@ -397,6 +397,7 @@ public:
       m_window->waitForRetrace();
     }
     OPTICK_FRAME("MainThread");
+    CGraphics::SetCommitResourcesAsLazy(true);
 
     boo::SWindowRect rect = m_windowCallback.m_lastRect;
     rect.location = {0, 0};
@@ -465,6 +466,11 @@ public:
       m_imGuiConsole.ShowAboutWindow(false, m_errorString);
     }
 
+    {
+      OPTICK_EVENT("Flush");
+      CGraphics::SetCommitResourcesAsLazy(false);
+    }
+
     {
       OPTICK_EVENT("Draw");
       gfxQ->setRenderTarget(m_renderTex);

Runtime/Graphics/CGraphics.cpp

@@ -37,6 +37,7 @@ u32 CGraphics::g_FrameCounter = 0;
 u32 CGraphics::g_Framerate = 0;
 u32 CGraphics::g_FramesPast = 0;
 frame_clock::time_point CGraphics::g_FrameStartTime = frame_clock::now();
+bool CGraphics::g_commitAsLazy = false;
 
 const std::array<zeus::CMatrix3f, 6> CGraphics::skCubeBasisMats{{
     /* Right */

Runtime/Graphics/CGraphics.hpp

@@ -346,8 +346,30 @@ public:
 
   static const boo::SystemChar* PlatformName() { return g_BooPlatformName; }
 
+
+  static bool g_commitAsLazy;
+  static void SetCommitResourcesAsLazy(bool newStatus) {
+    if (newStatus != g_commitAsLazy) {
+      g_commitAsLazy = newStatus;
+      if (!newStatus && g_BooFactory) {
+        g_BooFactory->commitPendingTransaction();
+      }
+    }
+  }
+
   static void CommitResources(const boo::FactoryCommitFunc& commitFunc __BooTraceArgs) {
-    g_BooFactory->commitTransaction(commitFunc __BooTraceArgsUse);
+    CommitResources(commitFunc __BooTraceArgsUse, g_commitAsLazy);
+  }
+
+  static void CommitResources(const boo::FactoryCommitFunc& commitFunc __BooTraceArgs, bool lazy) {
+    if (!g_BooFactory) {
+      return;
+    }
+    if (lazy) {
+      g_BooFactory->lazyCommitTransaction(commitFunc __BooTraceArgsUse);
+    } else {
+      g_BooFactory->commitTransaction(commitFunc __BooTraceArgsUse);
+    }
   }
 
   static void SetShaderDataBinding(const boo::ObjToken<boo::IShaderDataBinding>& binding) {