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[Windows] Make D3D12 loading dynamic to support pre Windows 10 versions.

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This commit is contained in:
bruvzg
2024-02-18 00:44:06 +02:00
parent 5f05e2b9b1
commit f4ca6a856a
7 changed files with 163 additions and 19 deletions
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drivers/d3d12/rendering_context_driver_d3d12.cpp
+27 -7
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@@ -83,17 +83,28 @@ RenderingContextDriverD3D12::RenderingContextDriverD3D12() {
}
RenderingContextDriverD3D12::~RenderingContextDriverD3D12() {
if (lib_d3d12) {
FreeLibrary(lib_d3d12);
}
if (lib_dxgi) {
FreeLibrary(lib_dxgi);
}
}
Error RenderingContextDriverD3D12::_init_device_factory() {
uint32_t agility_sdk_version = GLOBAL_GET("rendering/rendering_device/d3d12/agility_sdk_version");
String agility_sdk_path = String(".\\") + Engine::get_singleton()->get_architecture_name();
lib_d3d12 = LoadLibraryW(L"D3D12.dll");
ERR_FAIL_NULL_V(lib_d3d12, ERR_CANT_CREATE);
lib_dxgi = LoadLibraryW(L"DXGI.dll");
ERR_FAIL_NULL_V(lib_dxgi, ERR_CANT_CREATE);
// Note: symbol is not available in MinGW import library.
PFN_D3D12_GET_INTERFACE d3d_D3D12GetInterface = (PFN_D3D12_GET_INTERFACE)GetProcAddress(LoadLibraryW(L"D3D12.dll"), "D3D12GetInterface");
if (d3d_D3D12GetInterface == nullptr) {
// FIXME: Is it intended for this to silently return when it fails to find the symbol?
return OK;
PFN_D3D12_GET_INTERFACE d3d_D3D12GetInterface = (PFN_D3D12_GET_INTERFACE)(void *)GetProcAddress(lib_d3d12, "D3D12GetInterface");
if (!d3d_D3D12GetInterface) {
return OK; // Fallback to the system loader.
}
ID3D12SDKConfiguration *sdk_config = nullptr;
@@ -109,18 +120,22 @@ Error RenderingContextDriverD3D12::_init_device_factory() {
}
sdk_config->Release();
}
return OK;
}
Error RenderingContextDriverD3D12::_initialize_debug_layers() {
ComPtr<ID3D12Debug> debug_controller;
HRESULT res;
if (device_factory) {
res = device_factory->GetConfigurationInterface(CLSID_D3D12DebugGodot, IID_PPV_ARGS(&debug_controller));
} else {
res = D3D12GetDebugInterface(IID_PPV_ARGS(&debug_controller));
PFN_D3D12_GET_DEBUG_INTERFACE d3d_D3D12GetDebugInterface = (PFN_D3D12_GET_DEBUG_INTERFACE)(void *)GetProcAddress(lib_d3d12, "D3D12GetDebugInterface");
ERR_FAIL_NULL_V(d3d_D3D12GetDebugInterface, ERR_CANT_CREATE);
res = d3d_D3D12GetDebugInterface(IID_PPV_ARGS(&debug_controller));
}
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_QUERY_FAILED);
debug_controller->EnableDebugLayer();
return OK;
@@ -128,7 +143,12 @@ Error RenderingContextDriverD3D12::_initialize_debug_layers() {
Error RenderingContextDriverD3D12::_initialize_devices() {
const UINT dxgi_factory_flags = use_validation_layers() ? DXGI_CREATE_FACTORY_DEBUG : 0;
HRESULT res = CreateDXGIFactory2(dxgi_factory_flags, IID_PPV_ARGS(&dxgi_factory));
typedef HRESULT(WINAPI * PFN_DXGI_CREATE_DXGI_FACTORY2)(UINT, REFIID, void **);
PFN_DXGI_CREATE_DXGI_FACTORY2 dxgi_CreateDXGIFactory2 = (PFN_DXGI_CREATE_DXGI_FACTORY2)(void *)GetProcAddress(lib_dxgi, "CreateDXGIFactory2");
ERR_FAIL_NULL_V(dxgi_CreateDXGIFactory2, ERR_CANT_CREATE);
HRESULT res = dxgi_CreateDXGIFactory2(dxgi_factory_flags, IID_PPV_ARGS(&dxgi_factory));
ERR_FAIL_COND_V(!SUCCEEDED(res), ERR_CANT_CREATE);
// Enumerate all possible adapters.