system_utils_win.cpp

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Author : Jonah Ryan-Davis
Date : 2019-12-12 13:02:01
Hash : 806ba566
Message : Extend ANGLE_iosurface_client_buffer to Vulkan backend for Swangle Implement an IOSurface-backed pBuffer surface for the Vulkan backend on Mac, through SwANGLE. ANGLE will pass a raw pointer to Swiftshader and handle locking/unlocking the IOSurface. Bug: chromium:1015454 Change-Id: Ia3ead55334736003d405b54ba8dcc7701706fbb2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1965434 Commit-Queue: Jonah Ryan-Davis <jonahr@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

src/common/system_utils_win.cpp

//
// Copyright 2014 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_win.cpp: Implementation of OS-specific functions for Windows

#include "system_utils.h"

#include <stdarg.h>
#include <windows.h>
#include <array>
#include <vector>

namespace angle
{
std::string GetExecutablePath()
{
    std::array<char, MAX_PATH> executableFileBuf;
    DWORD executablePathLen = GetModuleFileNameA(nullptr, executableFileBuf.data(),
                                                 static_cast<DWORD>(executableFileBuf.size()));
    return (executablePathLen > 0 ? std::string(executableFileBuf.data()) : "");
}

std::string GetExecutableDirectory()
{
    std::string executablePath = GetExecutablePath();
    size_t lastPathSepLoc      = executablePath.find_last_of("\\/");
    return (lastPathSepLoc != std::string::npos) ? executablePath.substr(0, lastPathSepLoc) : "";
}

const char *GetSharedLibraryExtension()
{
    return "dll";
}

Optional<std::string> GetCWD()
{
    std::array<char, MAX_PATH> pathBuf;
    DWORD result = GetCurrentDirectoryA(static_cast<DWORD>(pathBuf.size()), pathBuf.data());
    if (result == 0)
    {
        return Optional<std::string>::Invalid();
    }
    return std::string(pathBuf.data());
}

bool SetCWD(const char *dirName)
{
    return (SetCurrentDirectoryA(dirName) == TRUE);
}

const char *GetPathSeparatorForEnvironmentVar()
{
    return ";";
}

double GetCurrentTime()
{
    LARGE_INTEGER frequency = {};
    QueryPerformanceFrequency(&frequency);

    LARGE_INTEGER curTime;
    QueryPerformanceCounter(&curTime);

    return static_cast<double>(curTime.QuadPart) / frequency.QuadPart;
}

bool IsDirectory(const char *filename)
{
    WIN32_FILE_ATTRIBUTE_DATA fileInformation;

    BOOL result = GetFileAttributesExA(filename, GetFileExInfoStandard, &fileInformation);
    if (result)
    {
        DWORD attribs = fileInformation.dwFileAttributes;
        return (attribs != INVALID_FILE_ATTRIBUTES) && ((attribs & FILE_ATTRIBUTE_DIRECTORY) > 0);
    }

    return false;
}

bool IsDebuggerAttached()
{
    return !!::IsDebuggerPresent();
}

void BreakDebugger()
{
    __debugbreak();
}

const char *GetExecutableExtension()
{
    return ".exe";
}

char GetPathSeparator()
{
    return '\\';
}

std::string GetHelperExecutableDir()
{
    return "";
}
}  // namespace angle

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

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