1 files changed, 13 insertions, 0 deletions
diff --git a/video/out/opengl/angle_common.c b/video/out/opengl/angle_common.c
new file mode 100644
index 0000000000..21cc924714
--- /dev/null
+++ b/video/out/opengl/angle_common.c
@@ -0,0 +1,13 @@
+#include "angle_common.h"
+
+// Test if Direct3D11 can be used by us. Basically, this prevents trying to use
+// D3D11 on Win7, and then failing somewhere in the process.
+bool d3d11_check_decoding(ID3D11Device *dev)
+{
+    HRESULT hr;
+    // We assume that NV12 is always supported, if hw decoding is supported at
+    // all.
+    UINT supported = 0;
+    hr = ID3D11Device_CheckFormatSupport(dev, DXGI_FORMAT_NV12, &supported);
+    return !FAILED(hr) && (supported & D3D11_BIND_DECODER);
+}