[idd] handle frame re-send for when a new client connects

idd/LGIdd/CIndirectDeviceContext.cpp

@@ -339,6 +339,8 @@ bool CIndirectDeviceContext::SetupLGMP(size_t alignSize)
 
 void CIndirectDeviceContext::DeInitLGMP()
 {
+  m_hasFrame = false;
+
   if (m_lgmp == nullptr)
     return;
 
@@ -394,9 +396,8 @@ void CIndirectDeviceContext::LGMPTimer()
 
   if (lgmpHostQueueNewSubs(m_frameQueue) && m_monitor)
   {
-    auto* wrapper = WdfObjectGet_CIndirectMonitorContextWrapper(m_monitor);
+    if (m_hasFrame)
-    if (wrapper)
+      lgmpHostQueuePost(m_frameQueue, 0, m_frameMemory[m_frameIndex]);
-      wrapper->context->ResendLastFrame();
   }
 
   if (lgmpHostQueueNewSubs(m_pointerQueue))
@@ -478,6 +479,7 @@ CIndirectDeviceContext::PreparedFrameBuffer CIndirectDeviceContext::PrepareFrame
   result.frameIndex = m_frameIndex;
   result.mem        = fb->data;
 
+  m_hasFrame = true;
   return result;
 }
 

idd/LGIdd/CIndirectDeviceContext.h

@@ -67,6 +67,7 @@ private:
   int         m_height   = 0;
   int         m_pitch    = 0;
   DXGI_FORMAT m_format   = DXGI_FORMAT_UNKNOWN;
+  bool        m_hasFrame = false;
 
   void DeInitLGMP();
   void LGMPTimer();

idd/LGIdd/CIndirectMonitorContext.h

@@ -58,12 +58,6 @@ public:
   
   void AssignSwapChain(IDDCX_SWAPCHAIN swapChain, LUID renderAdapter, HANDLE newFrameEvent);
   void UnassignSwapChain();
-
-  inline void ResendLastFrame()
-  {
-    if (m_swapChain)
-      m_swapChain->ResendLastFrame();
-  }
 };
 
 struct CIndirectMonitorContextWrapper

idd/LGIdd/CSwapChainProcessor.cpp

@@ -218,22 +218,3 @@ void CSwapChainProcessor::SwapChainNewFrame(ComPtr<IDXGIResource> acquiredBuffer
 
   m_devContext->FinalizeFrameBuffer();
 }
-
-void CSwapChainProcessor::ResendLastFrame()
-{
-/*
-  LOCK_CONTEXT()
-  StagingTexture & st = m_cpuTex[m_lastIndex];
-  LOCK_ST(st);
-  UNLOCK_CONTEXT();
-
-  if (!st.map.pData)
-  {
-    UNLOCK_ST(st);
-    return;
-  }
-
-  m_devContext->SendFrame(st.width, st.height, st.map.RowPitch, st.format, st.map.pData);
-  UNLOCK_ST(st);
-*/
-}

idd/LGIdd/CSwapChainProcessor.h

@@ -63,6 +63,4 @@ public:
 
   CIndirectDeviceContext * GetDevice() { return m_devContext; }
   std::shared_ptr<CD3D12Device> GetD3D12Device() { return m_dx12Device; }
-
-  void ResendLastFrame();
 };