Hash :
806ba566
        
        Author :
  
        
        Date :
2019-12-12T13:02:01
        
      
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>
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//
// 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