glfw/src/win32_tls.c
2017-01-20 01:35:24 +01:00

70 lines
2.4 KiB
C

//========================================================================
// GLFW 3.3 Win32 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2016 Camilla Löwy <elmindreda@glfw.org>
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would
// be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such, and must not
// be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source
// distribution.
//
//========================================================================
#include "internal.h"
//////////////////////////////////////////////////////////////////////////
////// GLFW internal API //////
//////////////////////////////////////////////////////////////////////////
GLFWbool _glfwInitThreadLocalStorageWin32(void)
{
_glfw.win32_tls.context = TlsAlloc();
if (_glfw.win32_tls.context == TLS_OUT_OF_INDEXES)
{
_glfwInputErrorWin32(GLFW_PLATFORM_ERROR,
"Win32: Failed to allocate TLS index");
return GLFW_FALSE;
}
_glfw.win32_tls.allocated = GLFW_TRUE;
return GLFW_TRUE;
}
void _glfwTerminateThreadLocalStorageWin32(void)
{
if (_glfw.win32_tls.allocated)
TlsFree(_glfw.win32_tls.context);
}
//////////////////////////////////////////////////////////////////////////
////// GLFW platform API //////
//////////////////////////////////////////////////////////////////////////
void _glfwPlatformSetCurrentContext(_GLFWwindow* context)
{
TlsSetValue(_glfw.win32_tls.context, context);
}
_GLFWwindow* _glfwPlatformGetCurrentContext(void)
{
return TlsGetValue(_glfw.win32_tls.context);
}