Add all the files

src/util/DXGIWrapper/DXGIWrapper.h

@@ -0,0 +1,84 @@
+#pragma once
+
+#include <dxgi1_4.h>
+//#include <atlbase.h>
+
+class DXGIWrapper
+{
+public:
+	DXGIWrapper()
+		: DXGIWrapper(nullptr)
+	{}
+	
+	DXGIWrapper(uint8* deviceLUID)
+	{
+		m_moduleHandle = LoadLibraryA("dxgi.dll");
+		if (!m_moduleHandle)
+			throw std::runtime_error("can't load dxgi module");
+
+		const auto pCreateDXGIFactory1 = (decltype(&CreateDXGIFactory1))GetProcAddress(m_moduleHandle, "CreateDXGIFactory1");
+		if (!pCreateDXGIFactory1)
+		{
+			FreeLibrary(m_moduleHandle);
+			throw std::runtime_error("can't find CreateDXGIFactory1 in dxgi module");
+		}
+
+		IDXGIFactory1* dxgiFactory = nullptr;
+		pCreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory));
+
+		IDXGIAdapter1* tmpDxgiAdapter = nullptr;
+		UINT adapterIndex = 0;
+		while (dxgiFactory->EnumAdapters1(adapterIndex, &tmpDxgiAdapter) != DXGI_ERROR_NOT_FOUND)
+		{
+			DXGI_ADAPTER_DESC1 desc;
+			tmpDxgiAdapter->GetDesc1(&desc);
+
+			if (deviceLUID == nullptr || memcmp(&desc.AdapterLuid, deviceLUID, sizeof(LUID)) == 0)
+			{
+				tmpDxgiAdapter->QueryInterface(IID_PPV_ARGS(&m_dxgiAdapter));
+				tmpDxgiAdapter->Release();
+				break;
+			}
+
+			tmpDxgiAdapter->Release();
+			++adapterIndex;
+		}
+
+		dxgiFactory->Release();
+
+		if (!m_dxgiAdapter)
+		{
+			Cleanup();
+			throw std::runtime_error("can't create dxgi adapter");
+		}
+	}
+
+	~DXGIWrapper()
+	{
+		Cleanup();
+	}
+
+	bool QueryVideoMemoryInfo(DXGI_QUERY_VIDEO_MEMORY_INFO& info) const
+	{
+		return m_dxgiAdapter->QueryVideoMemoryInfo(0, DXGI_MEMORY_SEGMENT_GROUP_LOCAL, &info) == S_OK;
+	}
+
+private:
+	HMODULE m_moduleHandle = nullptr;
+	IDXGIAdapter3* m_dxgiAdapter = nullptr;
+
+	void Cleanup()
+	{
+		if (m_dxgiAdapter)
+		{
+			m_dxgiAdapter->Release();
+			m_dxgiAdapter = nullptr;
+		}
+
+		if (m_moduleHandle)
+		{
+			FreeLibrary(m_moduleHandle);
+			m_moduleHandle = nullptr;
+		}
+	}
+};