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Fix: Remote screen black if the window doesn't use dwm to render

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shaun
2025-12-19 14:19:02 +01:00
committed by yuanyuanxiang
parent 68676e456b
commit 5b32eda17d
1 changed files with 48 additions and 0 deletions
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48
client/ScreenCapturerDXGI.h
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@@ -172,12 +172,60 @@ public:
}
private:
// <20><><EFBFBD>³<EFBFBD>ʼ<EFBFBD><CABC> Desktop Duplication
BOOL ReinitDuplication()
{
if (deskDupl) {
deskDupl->Release();
deskDupl = nullptr;
}
if (!d3dDevice) return FALSE;
IDXGIDevice* dxgiDevice = nullptr;
IDXGIAdapter* dxgiAdapter = nullptr;
IDXGIOutput* dxgiOutput = nullptr;
IDXGIOutput1* dxgiOutput1 = nullptr;
HRESULT hr = d3dDevice->QueryInterface(__uuidof(IDXGIDevice), (void**)&dxgiDevice);
if (FAILED(hr)) return FALSE;
hr = dxgiDevice->GetAdapter(&dxgiAdapter);
dxgiDevice->Release();
if (FAILED(hr)) return FALSE;
hr = dxgiAdapter->EnumOutputs(0, &dxgiOutput);
dxgiAdapter->Release();
if (FAILED(hr)) return FALSE;
hr = dxgiOutput->QueryInterface(__uuidof(IDXGIOutput1), (void**)&dxgiOutput1);
dxgiOutput->Release();
if (FAILED(hr)) return FALSE;
Sleep(100);
hr = dxgiOutput1->DuplicateOutput(d3dDevice, &deskDupl);
dxgiOutput1->Release();
return SUCCEEDED(hr) && deskDupl;
}
int CaptureFrame(LPBYTE buffer, ULONG* frameSize, int reservedBytes)
{
if (!deskDupl) {
if (!ReinitDuplication()) return -10;
}
// 1. <20><>ȡ<EFBFBD><C8A1>һ֡
IDXGIResource* desktopResource = nullptr;
DXGI_OUTDUPL_FRAME_INFO frameInfo;
HRESULT hr = deskDupl->AcquireNextFrame(100, &frameInfo, &desktopResource);
// <20><><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB><EFBFBD>л<EFBFBD><D0BB><EFBFBD><EFBFBD>µķ<C2B5><C4B7>ʶ<EFBFBD>ʧ
if (hr == DXGI_ERROR_ACCESS_LOST) {
if (ReinitDuplication()) {
hr = deskDupl->AcquireNextFrame(100, &frameInfo, &desktopResource);
}
}
if (FAILED(hr)) {
return -1;
}