commit e000ee01169f735b0ddc91553b42ff3a857e9b9b
author omar <omarcornut@gmail.com> Tue Nov 28 10:48:01 2017 +0100
committer omar <omarcornut@gmail.com> Tue Nov 28 10:48:01 2017 +0100
tree 75185890e64a127867a9505cc979c8faa0a4b42c
parent 7e2d0d734c477e033fd57a875705dc5ad8571687

Examples: DirectX9: Handle loss of D3D9 device (D3DERR_DEVICELOST). (#1464)

examples/directx9_example/main.cpp

diff --git a/examples/directx9_example/main.cpp b/examples/directx9_example/main.cpp
index 5a5c0d1..30c820e 100644
--- a/examples/directx9_example/main.cpp
+++ b/examples/directx9_example/main.cpp
@@ -154,7 +154,15 @@
             ImGui::Render();
             g_pd3dDevice->EndScene();
         }
-        g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
+        HRESULT result = g_pd3dDevice->Present(NULL, NULL, NULL, NULL);
+
+        // Handle loss of D3D9 device
+        if (result == D3DERR_DEVICELOST && g_pd3dDevice->TestCooperativeLevel() == D3DERR_DEVICENOTRESET)
+        {
+            ImGui_ImplDX9_InvalidateDeviceObjects();
+            g_pd3dDevice->Reset(&g_d3dpp);
+            ImGui_ImplDX9_CreateDeviceObjects();
+        }
     }
 
     ImGui_ImplDX9_Shutdown();