Initial Commit

1 files changed, 200 insertions, 0 deletions

diff --git a/glfw-3.2.1/src/init.c b/glfw-3.2.1/src/init.c
new file mode 100644
index 0000000..9d4a2b2
--- /dev/null
+++ b/glfw-3.2.1/src/init.c
@@ -0,0 +1,200 @@
+//========================================================================
+// GLFW 3.2 - www.glfw.org
+//------------------------------------------------------------------------
+// Copyright (c) 2002-2006 Marcus Geelnard
+// Copyright (c) 2006-2016 Camilla Berglund <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"
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdarg.h>
+
+
+// The three global variables below comprise all global data in GLFW.
+// Any other global variable is a bug.
+
+// Global state shared between compilation units of GLFW
+// These are documented in internal.h
+//
+GLFWbool _glfwInitialized = GLFW_FALSE;
+_GLFWlibrary _glfw;
+
+// This is outside of _glfw so it can be initialized and usable before
+// glfwInit is called, which lets that function report errors
+//
+static GLFWerrorfun _glfwErrorCallback = NULL;
+
+
+// Returns a generic string representation of the specified error
+//
+static const char* getErrorString(int error)
+{
+    switch (error)
+    {
+        case GLFW_NOT_INITIALIZED:
+            return "The GLFW library is not initialized";
+        case GLFW_NO_CURRENT_CONTEXT:
+            return "There is no current context";
+        case GLFW_INVALID_ENUM:
+            return "Invalid argument for enum parameter";
+        case GLFW_INVALID_VALUE:
+            return "Invalid value for parameter";
+        case GLFW_OUT_OF_MEMORY:
+            return "Out of memory";
+        case GLFW_API_UNAVAILABLE:
+            return "The requested API is unavailable";
+        case GLFW_VERSION_UNAVAILABLE:
+            return "The requested API version is unavailable";
+        case GLFW_PLATFORM_ERROR:
+            return "A platform-specific error occurred";
+        case GLFW_FORMAT_UNAVAILABLE:
+            return "The requested format is unavailable";
+        case GLFW_NO_WINDOW_CONTEXT:
+            return "The specified window has no context";
+        default:
+            return "ERROR: UNKNOWN GLFW ERROR";
+    }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                         GLFW event API                       //////
+//////////////////////////////////////////////////////////////////////////
+
+void _glfwInputError(int error, const char* format, ...)
+{
+    if (_glfwErrorCallback)
+    {
+        char buffer[8192];
+        const char* description;
+
+        if (format)
+        {
+            int count;
+            va_list vl;
+
+            va_start(vl, format);
+            count = vsnprintf(buffer, sizeof(buffer), format, vl);
+            va_end(vl);
+
+            if (count < 0)
+                buffer[sizeof(buffer) - 1] = '\0';
+
+            description = buffer;
+        }
+        else
+            description = getErrorString(error);
+
+        _glfwErrorCallback(error, description);
+    }
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+//////                        GLFW public API                       //////
+//////////////////////////////////////////////////////////////////////////
+
+GLFWAPI int glfwInit(void)
+{
+    if (_glfwInitialized)
+        return GLFW_TRUE;
+
+    memset(&_glfw, 0, sizeof(_glfw));
+
+    if (!_glfwPlatformInit())
+    {
+        _glfwPlatformTerminate();
+        return GLFW_FALSE;
+    }
+
+    _glfw.monitors = _glfwPlatformGetMonitors(&_glfw.monitorCount);
+    _glfwInitialized = GLFW_TRUE;
+
+    _glfw.timerOffset = _glfwPlatformGetTimerValue();
+
+    // Not all window hints have zero as their default value
+    glfwDefaultWindowHints();
+
+    return GLFW_TRUE;
+}
+
+GLFWAPI void glfwTerminate(void)
+{
+    int i;
+
+    if (!_glfwInitialized)
+        return;
+
+    memset(&_glfw.callbacks, 0, sizeof(_glfw.callbacks));
+
+    while (_glfw.windowListHead)
+        glfwDestroyWindow((GLFWwindow*) _glfw.windowListHead);
+
+    while (_glfw.cursorListHead)
+        glfwDestroyCursor((GLFWcursor*) _glfw.cursorListHead);
+
+    for (i = 0;  i < _glfw.monitorCount;  i++)
+    {
+        _GLFWmonitor* monitor = _glfw.monitors[i];
+        if (monitor->originalRamp.size)
+            _glfwPlatformSetGammaRamp(monitor, &monitor->originalRamp);
+    }
+
+    _glfwTerminateVulkan();
+
+    _glfwFreeMonitors(_glfw.monitors, _glfw.monitorCount);
+    _glfw.monitors = NULL;
+    _glfw.monitorCount = 0;
+
+    _glfwPlatformTerminate();
+
+    memset(&_glfw, 0, sizeof(_glfw));
+    _glfwInitialized = GLFW_FALSE;
+}
+
+GLFWAPI void glfwGetVersion(int* major, int* minor, int* rev)
+{
+    if (major != NULL)
+        *major = GLFW_VERSION_MAJOR;
+
+    if (minor != NULL)
+        *minor = GLFW_VERSION_MINOR;
+
+    if (rev != NULL)
+        *rev = GLFW_VERSION_REVISION;
+}
+
+GLFWAPI const char* glfwGetVersionString(void)
+{
+    return _glfwPlatformGetVersionString();
+}
+
+GLFWAPI GLFWerrorfun glfwSetErrorCallback(GLFWerrorfun cbfun)
+{
+    _GLFW_SWAP_POINTERS(_glfwErrorCallback, cbfun);
+    return cbfun;
+}
+