system_utils_winuwp.cpp

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Author : Jamie Madill
Date : 2020-01-13 17:21:53
Hash : 5eadaf85
Message : Fix and improve UWP build. Reorganizes the build files to work with a more divided setup. It is unclear if we'll ever be able to run tests in a UWP config. This at least sets up the organization so it would at some point be possible. Bug: angleproject:4182 Change-Id: I49dddfcdc0118b11466fe171f949c28d101ac6a2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1953484 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org>

src/common/system_utils_winuwp.cpp

//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

// system_utils_winuwp.cpp: Implementation of OS-specific functions for Windows UWP

#include "system_utils.h"

#include <stdarg.h>
#include <windows.h>
#include <array>
#include <codecvt>
#include <locale>
#include <string>

namespace angle
{

bool SetEnvironmentVar(const char *variableName, const char *value)
{
    // Not supported for UWP
    return false;
}

std::string GetEnvironmentVar(const char *variableName)
{
    // Not supported for UWP
    return "";
}

class UwpLibrary : public Library
{
  public:
    UwpLibrary(const char *libraryName, SearchType searchType)
    {
        char buffer[MAX_PATH];
        int ret = snprintf(buffer, MAX_PATH, "%s.%s", libraryName, GetSharedLibraryExtension());

        std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
        std::wstring wideBuffer = converter.from_bytes(buffer);

        if (ret > 0 && ret < MAX_PATH)
        {
            switch (searchType)
            {
                case SearchType::ApplicationDir:
                    mModule = LoadPackagedLibrary(wideBuffer.c_str(), 0);
                    break;
                case SearchType::SystemDir:
                    // Not supported in UWP
                    break;
            }
        }
    }

    ~UwpLibrary() override
    {
        if (mModule)
        {
            FreeLibrary(mModule);
        }
    }

    void *getSymbol(const char *symbolName) override
    {
        if (!mModule)
        {
            return nullptr;
        }

        return reinterpret_cast<void *>(GetProcAddress(mModule, symbolName));
    }

    void *getNative() const override { return reinterpret_cast<void *>(mModule); }

  private:
    HMODULE mModule = nullptr;
};

Library *OpenSharedLibrary(const char *libraryName, SearchType searchType)
{
    return new UwpLibrary(libraryName, searchType);
}
}  // namespace angle

kc3-lang/angle/src/common/system_utils_winuwp.cpp

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kc3-lang/angle /src/common/system_utils_winuwp.cpp