// Copyright 2023 The Dawn & Tint Authors
//
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// 1. Redistributions of source code must retain the above copyright notice, this
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#include "dawn/native/d3d11/PlatformFunctionsD3D11.h"

#include <string>

namespace dawn::native::d3d11 {

PlatformFunctions::PlatformFunctions() = default;
PlatformFunctions::~PlatformFunctions() = default;

MaybeError PlatformFunctions::LoadFunctions() {
    DAWN_TRY(Base::LoadFunctions());

    DAWN_TRY(LoadD3D11());
    return {};
}

MaybeError PlatformFunctions::LoadD3D11() {
#if DAWN_PLATFORM_IS(WINUWP)
    d3d11CreateDevice = &D3D11CreateDevice;
#else
    std::string error;
    if (!mD3D11Lib.Open("d3d11.dll", &error) ||
        !mD3D11Lib.GetProc(&d3d11CreateDevice, "D3D11CreateDevice", &error)) {
        return DAWN_INTERNAL_ERROR(error.c_str());
    }
#endif

    return {};
}

}  // namespace dawn::native::d3d11