[vlc-devel] [PATCH 03/16] qt: don't use SHARED_NTHANDLE on platforms that don't support it

[Pierre Lamot]

---
 .../maininterface/compositor_dcomp_uisurface.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp b/modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp
index 68bc8662e9..6ff742c59d 100644
--- a/modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp
+++ b/modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp
@@ -430,6 +430,10 @@ bool CompositorDCompositionUISurface::updateSharedTexture(int width, int height)
     try
     {
         releaseSharedTexture();
+
+        D3D11_FEATURE_DATA_D3D11_OPTIONS d3d11Options;
+        HRESULT checkFeatureHR = m_d3dDevice->CheckFeatureSupport(D3D11_FEATURE_D3D11_OPTIONS, &d3d11Options, sizeof(d3d11Options));
+
         /* interim texture */
         D3D11_TEXTURE2D_DESC texDesc = { };
         texDesc.MipLevels = 1;
@@ -439,10 +443,18 @@ bool CompositorDCompositionUISurface::updateSharedTexture(int width, int height)
         texDesc.Usage = D3D11_USAGE_DEFAULT;
         texDesc.CPUAccessFlags = 0;
         texDesc.ArraySize = 1;
-        texDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
         texDesc.Height = height;
         texDesc.Width  = width;
-        texDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED | D3D11_RESOURCE_MISC_SHARED_NTHANDLE;
+        if (SUCCEEDED(checkFeatureHR) && d3d11Options.ExtendedResourceSharing) //D3D11.1 feature
+        {
+            texDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
+            texDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED | D3D11_RESOURCE_MISC_SHARED_NTHANDLE;
+        }
+        else
+        {
+            texDesc.Format = DXGI_FORMAT_R8G8B8A8_UINT;
+            texDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
+        }
 
         HR(m_d3dDevice->CreateTexture2D( &texDesc, NULL, &m_d3dInterimTexture ), "create texture");
 
-- 
2.25.1