chromium/third_party/dawn/third_party/glfw/src/init.c

//========================================================================
// GLFW 3.5 - www.glfw.org
//------------------------------------------------------------------------
// Copyright (c) 2002-2006 Marcus Geelnard
// Copyright (c) 2006-2018 Camilla Löwy <[email protected]>
//
// 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"

#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <assert.h>


// NOTE: The global variables below comprise all mutable global data in GLFW
//       Any other mutable global variable is a bug

// This contains all mutable state shared between compilation units of GLFW
//
_GLFWlibrary _glfw = …;

// These are outside of _glfw so they can be used before initialization and
// after termination without special handling when _glfw is cleared to zero
//
static _GLFWerror _glfwMainThreadError;
static GLFWerrorfun _glfwErrorCallback;
static GLFWallocator _glfwInitAllocator;
static _GLFWinitconfig _glfwInitHints = …;

// The allocation function used when no custom allocator is set
//
static void* defaultAllocate(size_t size, void* user)
{ … }

// The deallocation function used when no custom allocator is set
//
static void defaultDeallocate(void* block, void* user)
{ … }

// The reallocation function used when no custom allocator is set
//
static void* defaultReallocate(void* block, size_t size, void* user)
{ … }

// Terminate the library
//
static void terminate(void)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                       GLFW internal API                      //////
//////////////////////////////////////////////////////////////////////////

// Encode a Unicode code point to a UTF-8 stream
// Based on cutef8 by Jeff Bezanson (Public Domain)
//
size_t _glfwEncodeUTF8(char* s, uint32_t codepoint)
{ … }

// Splits and translates a text/uri-list into separate file paths
// NOTE: This function destroys the provided string
//
char** _glfwParseUriList(char* text, int* count)
{ … }

char* _glfw_strdup(const char* source)
{ … }

int _glfw_min(int a, int b)
{ … }

int _glfw_max(int a, int b)
{ … }

void* _glfw_calloc(size_t count, size_t size)
{ … }

void* _glfw_realloc(void* block, size_t size)
{ … }

void _glfw_free(void* block)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                         GLFW event API                       //////
//////////////////////////////////////////////////////////////////////////

// Notifies shared code of an error
//
void _glfwInputError(int code, const char* format, ...)
{ … }


//////////////////////////////////////////////////////////////////////////
//////                        GLFW public API                       //////
//////////////////////////////////////////////////////////////////////////

GLFWAPI int glfwInit(void)
{ … }

GLFWAPI void glfwTerminate(void)
{ … }

GLFWAPI void glfwInitHint(int hint, int value)
{ … }

GLFWAPI void glfwInitAllocator(const GLFWallocator* allocator)
{ … }

GLFWAPI void glfwInitVulkanLoader(PFN_vkGetInstanceProcAddr loader)
{ … }

GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev)
{ … }

GLFWAPI int glfwGetError(const char** description)
{ … }

GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun)
{ … }