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[host] dxgi: use HDR10 instead of HDR16 to save bandwidth

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This commit is contained in:
Geoffrey McRae 2023-10-22 03:47:32 +11:00
parent 742e41c2c3
commit ccd0a0bcf9
1 changed files with 43 additions and 7 deletions
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46
host/platform/Windows/capture/DXGI/src/dxgi.c
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@ -555,10 +555,12 @@ next_output:
{ {
const DXGI_FORMAT supportedFormats[] = const DXGI_FORMAT supportedFormats[] =
{ {
DXGI_FORMAT_R10G10B10A2_UNORM,
DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM,
DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM,
DXGI_FORMAT_R10G10B10A2_UNORM,
DXGI_FORMAT_R16G16B16A16_FLOAT // we do not want this format as it doubles the bandwidth required
// DXGI_FORMAT_R16G16B16A16_FLOAT
}; };
// we try this twice in case we still get an error on re-initialization // we try this twice in case we still get an error on re-initialization
@ -591,14 +593,48 @@ next_output:
IDXGIOutput5_Release(output5); IDXGIOutput5_Release(output5);
} }
{
DXGI_OUTDUPL_DESC dupDesc; DXGI_OUTDUPL_DESC dupDesc;
IDXGIOutputDuplication_GetDesc(this->dup, &dupDesc); IDXGIOutputDuplication_GetDesc(this->dup, &dupDesc);
DEBUG_INFO("Source Format : %s", GetDXGIFormatStr(dupDesc.ModeDesc.Format));
this->dxgiFormat = dupDesc.ModeDesc.Format; DXGI_OUTDUPL_FRAME_INFO frameInfo;
DEBUG_INFO("Source Format : %s", GetDXGIFormatStr(this->dxgiFormat)); IDXGIResource * res;
if (FAILED(status = IDXGIOutputDuplication_AcquireNextFrame(this->dup,
INFINITE, &frameInfo, &res)))
{
DEBUG_WINERROR("AcquireNextFrame Failed", status);
goto fail;
}
ID3D11Texture2D * src;
if (FAILED(status = IDXGIResource_QueryInterface(res, &IID_ID3D11Texture2D,
(void **)&src)))
{
DEBUG_WINERROR("ResourceQueryInterface failed", status);
IDXGIResource_Release(res);
IDXGIOutputDuplication_ReleaseFrame(this->dup);
goto fail;
}
D3D11_TEXTURE2D_DESC desc;
ID3D11Texture2D_GetDesc(src, &desc);
// there seems to be a bug here in DXGI, asking for 10bit when restarting
// reports as 16bit, even though it's really 10bit.
if (desc.Format == DXGI_FORMAT_R16G16B16A16_FLOAT)
desc.Format = DXGI_FORMAT_R10G10B10A2_UINT;
DEBUG_INFO("Capture Format : %s", GetDXGIFormatStr(desc.Format));
this->dxgiFormat = desc.Format;
ID3D11Texture2D_Release(src);
IDXGIResource_Release(res);
IDXGIOutputDuplication_ReleaseFrame(this->dup);
}
this->bpp = 4; this->bpp = 4;
switch(dupDesc.ModeDesc.Format) switch(this->dxgiFormat)
{ {
case DXGI_FORMAT_B8G8R8A8_UNORM: case DXGI_FORMAT_B8G8R8A8_UNORM:
this->format = CAPTURE_FMT_BGRA; this->format = CAPTURE_FMT_BGRA;