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[c-host] dxgi: cleanup init code failure path

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This commit is contained in:
Geoffrey McRae 2019-03-04 15:09:41 +11:00
parent 6f545483c9
commit 925a93686b
1 changed files with 26 additions and 47 deletions
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73
c-host/windows/capture/dxgi.c
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@ -134,41 +134,38 @@ static bool dxgi_init()
os_signalEvent(this->copyEvent);
HRESULT status;
IDXGIFactory1 * factory;
IDXGIAdapter1 * adapter;
IDXGIOutput * output;
DXGI_OUTPUT_DESC outputDesc;
status = CreateDXGIFactory1(&IID_IDXGIFactory1, (void **)&factory);
status = CreateDXGIFactory1(&IID_IDXGIFactory1, (void **)&this->factory);
if (FAILED(status))
{
DEBUG_WINERROR("Failed to create DXGIFactory1", status);
goto fail;
}
for(int i = 0; IDXGIFactory1_EnumAdapters1(factory, i, &adapter) != DXGI_ERROR_NOT_FOUND; ++i)
for(int i = 0; IDXGIFactory1_EnumAdapters1(this->factory, i, &this->adapter) != DXGI_ERROR_NOT_FOUND; ++i)
{
for(int n = 0; IDXGIAdapter1_EnumOutputs(adapter, n, &output) != DXGI_ERROR_NOT_FOUND; ++n)
for(int n = 0; IDXGIAdapter1_EnumOutputs(this->adapter, n, &this->output) != DXGI_ERROR_NOT_FOUND; ++n)
{
IDXGIOutput_GetDesc(output, &outputDesc);
IDXGIOutput_GetDesc(this->output, &outputDesc);
if (outputDesc.AttachedToDesktop)
break;
IDXGIOutput_Release(output);
output = NULL;
IDXGIOutput_Release(this->output);
this->output = NULL;
}
if (output)
if (this->output)
break;
IDXGIAdapter1_Release(adapter);
adapter = NULL;
IDXGIAdapter1_Release(this->adapter);
this->adapter = NULL;
}
if (!output)
if (!this->output)
{
DEBUG_ERROR("Failed to locate a valid output device");
goto fail_release_factory;
goto fail;
}
static const D3D_FEATURE_LEVEL featureLevels[] =
@ -185,11 +182,11 @@ static bool dxgi_init()
};
IDXGIAdapter * tmp;
status = IDXGIAdapter1_QueryInterface(adapter, &IID_IDXGIAdapter, (void **)&tmp);
status = IDXGIAdapter1_QueryInterface(this->adapter, &IID_IDXGIAdapter, (void **)&tmp);
if (FAILED(status))
{
DEBUG_ERROR("Failed to query IDXGIAdapter interface");
goto fail_release;
goto fail;
}
status = D3D11CreateDevice(
@ -208,11 +205,11 @@ static bool dxgi_init()
if (FAILED(status))
{
DEBUG_WINERROR("Failed to create D3D11 device", status);
goto fail_release;
}
goto fail;
}
DXGI_ADAPTER_DESC1 adapterDesc;
IDXGIAdapter1_GetDesc1(adapter, &adapterDesc);
IDXGIAdapter1_GetDesc1(this->adapter, &adapterDesc);
this->width = outputDesc.DesktopCoordinates.right - outputDesc.DesktopCoordinates.left;
this->height = outputDesc.DesktopCoordinates.bottom - outputDesc.DesktopCoordinates.top;
@ -232,7 +229,7 @@ static bool dxgi_init()
if (FAILED(status))
{
DEBUG_WINERROR("failed to query DXGI interface from device", status);
goto fail_release_device;
goto fail;
}
IDXGIDevice_SetGPUThreadPriority(dxgi, 7);
@ -240,18 +237,18 @@ static bool dxgi_init()
}
IDXGIOutput5 * output5 = NULL;
status = IDXGIOutput_QueryInterface(output, &IID_IDXGIOutput5, (void **)&output5);
status = IDXGIOutput_QueryInterface(this->output, &IID_IDXGIOutput5, (void **)&output5);
if (FAILED(status))
{
DEBUG_WARN("IDXGIOutput5 is not available, please update windows for improved performance!");
DEBUG_WARN("Falling back to IDXIGOutput1");
IDXGIOutput1 * output1 = NULL;
status = IDXGIOutput_QueryInterface(output, &IID_IDXGIOutput1, (void **)&output1);
status = IDXGIOutput_QueryInterface(this->output, &IID_IDXGIOutput1, (void **)&output1);
if (FAILED(status))
{
DEBUG_ERROR("Failed to query IDXGIOutput1 from the output");
goto fail_release_device;
goto fail;
}
// we try this twice in case we still get an error on re-initialization
@ -267,7 +264,7 @@ static bool dxgi_init()
{
DEBUG_WINERROR("DuplicateOutput Failed", status);
IDXGIOutput1_Release(output1);
goto fail_release_device;
goto fail;
}
IDXGIOutput1_Release(output1);
}
@ -305,7 +302,7 @@ static bool dxgi_init()
{
DEBUG_WINERROR("DuplicateOutput1 Failed", status);
IDXGIOutput5_Release(output5);
goto fail_release_device;
goto fail;
}
IDXGIOutput5_Release(output5);
}
@ -321,7 +318,7 @@ static bool dxgi_init()
case DXGI_FORMAT_R10G10B10A2_UNORM: this->format = CAPTURE_FMT_RGBA10; break;
default:
DEBUG_ERROR("Unsupported source format");
goto fail_release_output;
goto fail;
}
D3D11_TEXTURE2D_DESC texDesc;
@ -342,7 +339,7 @@ static bool dxgi_init()
if (FAILED(status))
{
DEBUG_WINERROR("Failed to create texture", status);
goto fail_release_output;
goto fail;
}
// map the texture simply to get the pitch and stride
@ -351,35 +348,17 @@ static bool dxgi_init()
if (FAILED(status))
{
DEBUG_WINERROR("Failed to map the texture", status);
goto fail_release_texture;
goto fail;
}
this->pitch = mapping.RowPitch;
this->stride = mapping.RowPitch / 4;
ID3D11DeviceContext_Unmap(this->deviceContext, (ID3D11Resource *)this->texture, 0);
this->factory = factory;
this->adapter = adapter;
this->output = output;
this->initialized = true;
return true;
fail_release_texture:
ID3D11Texture2D_Release(this->texture);
this->texture = NULL;
fail_release_output:
IDXGIOutputDuplication_Release(this->dup);
this->dup = NULL;
fail_release_device:
ID3D11Device_Release (this->device );
ID3D11DeviceContext_Release(this->deviceContext);
this->device = NULL;
this->deviceContext = NULL;
fail_release:
IDXGIOutput_Release (output );
IDXGIAdapter1_Release(adapter);
fail_release_factory:
IDXGIFactory1_Release(factory);
fail:
dxgi_deinit();
return false;
}