[vlc-commits] qt: don't use SHARED_NTHANDLE on platforms that don't support it

[Pierre Lamot]

vlc | branch: master | Pierre Lamot <pierre at videolabs.io> | Thu Jun 11 17:54:43 2020 +0200| [2f376305e8e989364a9e001ab3c5858e565e57d5] | committer: Pierre Lamot

qt: don't use SHARED_NTHANDLE on platforms that don't support it

> http://git.videolan.org/gitweb.cgi/vlc.git/?a=commit;h=2f376305e8e989364a9e001ab3c5858e565e57d5
---

 modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp b/modules/gui/qt/maininterface/compositor_dcomp_uisurface.cpp
index 68bc8662e9..fcf567efa5 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;
@@ -442,7 +446,10 @@ bool CompositorDCompositionUISurface::updateSharedTexture(int width, int height)
         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.MiscFlags = D3D11_RESOURCE_MISC_SHARED | D3D11_RESOURCE_MISC_SHARED_NTHANDLE;
+        else
+            texDesc.MiscFlags = D3D11_RESOURCE_MISC_SHARED;
 
         HR(m_d3dDevice->CreateTexture2D( &texDesc, NULL, &m_d3dInterimTexture ), "create texture");