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libobs-d3d11: Improve check for NV12 texture support 

Checks to make sure that DXGI_FORMAT_NV12 is actually supported by the
GPU.
master
jp9000 2019-02-25 23:02:54 -08:00
parent 8181f77609
commit 28860411dd
1 changed files with 39 additions and 11 deletions
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50
libobs-d3d11/d3d11-subsystem.cpp
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@ -258,19 +258,47 @@ void gs_device::InitDevice(uint32_t adapterIdx)
if (FAILED(hr))
throw UnsupportedHWError("Failed to create device", hr);
ComQIPtr<ID3D11Device1> d3d11_1(device);
if (!!d3d11_1) {
D3D11_FEATURE_DATA_D3D11_OPTIONS opts = {};
hr = d3d11_1->CheckFeatureSupport(
D3D11_FEATURE_D3D11_OPTIONS,
&opts, sizeof(opts));
if (SUCCEEDED(hr)) {
nv12Supported = !!opts.ExtendedResourceSharing;
}
}
blog(LOG_INFO, "D3D11 loaded successfully, feature level used: %u",
(unsigned int)levelUsed);
/* ---------------------------------------- */
/* check for nv12 texture output support */
nv12Supported = false;
ComQIPtr<ID3D11Device1> d3d11_1(device);
if (!d3d11_1) {
return;
}
/* needs to support extended resource sharing */
D3D11_FEATURE_DATA_D3D11_OPTIONS opts = {};
hr = d3d11_1->CheckFeatureSupport(
D3D11_FEATURE_D3D11_OPTIONS,
&opts, sizeof(opts));
if (FAILED(hr) || !opts.ExtendedResourceSharing) {
return;
}
/* needs to support the actual format */
UINT support = 0;
hr = device->CheckFormatSupport(
DXGI_FORMAT_NV12,
&support);
if (FAILED(hr)) {
return;
}
if ((support & D3D11_FORMAT_SUPPORT_TEXTURE2D) == 0) {
return;
}
/* must be usable as a render target */
if ((support & D3D11_FORMAT_SUPPORT_RENDER_TARGET) == 0) {
return;
}
nv12Supported = true;
}
static inline void ConvertStencilSide(D3D11_DEPTH_STENCILOP_DESC &desc,