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Moved error handling to init module.
This commit is contained in:
Camilla Berglund
parent
85ca7ee184
commit
bd5ff15769
@ -3,7 +3,7 @@ include_directories(${GLFW_SOURCE_DIR}/src
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${glfw_INCLUDE_DIRS})
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set(common_HEADERS ${GLFW_SOURCE_DIR}/include/GL/glfw3.h internal.h)
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set(common_SOURCES clipboard.c error.c fullscreen.c gamma.c init.c input.c
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set(common_SOURCES clipboard.c fullscreen.c gamma.c init.c input.c
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joystick.c opengl.c time.c window.c)
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if (_GLFW_COCOA_NSGL)
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149
src/error.c
149
src/error.c
@ -1,149 +0,0 @@
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//========================================================================
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// GLFW - An OpenGL library
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// Platform: All
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// API version: 3.0
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// WWW: http://www.glfw.org/
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//------------------------------------------------------------------------
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// Copyright (c) 2008-2010 Camilla Berglund <elmindreda@elmindreda.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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#include "internal.h"
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#include <stdio.h>
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#include <stdarg.h>
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//////////////////////////////////////////////////////////////////////////
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////// GLFW internal API //////
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//////////////////////////////////////////////////////////////////////////
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//========================================================================
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// The current error value and callback
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// These are not in _glfwLibrary since they need to be initialized and
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// accessible before glfwInit so it can report errors
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//========================================================================
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static int _glfwError = GLFW_NO_ERROR;
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static GLFWerrorfun _glfwErrorCallback = NULL;
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//========================================================================
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// Sets the current error value
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// This function may be called without GLFW having been initialized
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//========================================================================
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void _glfwSetError(int error, const char* format, ...)
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{
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if (_glfwErrorCallback)
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{
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char buffer[16384];
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const char* description;
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if (format)
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{
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int count;
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va_list vl;
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va_start(vl, format);
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count = vsnprintf(buffer, sizeof(buffer), format, vl);
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va_end(vl);
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if (count < 0)
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buffer[sizeof(buffer) - 1] = '\0';
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description = buffer;
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}
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else
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description = glfwErrorString(error);
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_glfwErrorCallback(error, description);
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}
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else
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_glfwError = error;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW public API //////
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//////////////////////////////////////////////////////////////////////////
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//========================================================================
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// Returns the current error value
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// This function may be called without GLFW having been initialized
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//========================================================================
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GLFWAPI int glfwGetError(void)
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{
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int error = _glfwError;
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_glfwError = GLFW_NO_ERROR;
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return error;
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}
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//========================================================================
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// Returns a string representation of the specified error value
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// This function may be called without GLFW having been initialized
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//========================================================================
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GLFWAPI const char* glfwErrorString(int error)
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{
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switch (error)
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{
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case GLFW_NO_ERROR:
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return "No error";
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case GLFW_NOT_INITIALIZED:
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return "The GLFW library is not initialized";
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case GLFW_NO_CURRENT_CONTEXT:
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return "There is no current OpenGL context";
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case GLFW_INVALID_ENUM:
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return "Invalid argument for enum parameter";
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case GLFW_INVALID_VALUE:
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return "Invalid value for parameter";
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case GLFW_OUT_OF_MEMORY:
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return "Out of memory";
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case GLFW_OPENGL_UNAVAILABLE:
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return "OpenGL is not available on this machine";
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case GLFW_VERSION_UNAVAILABLE:
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return "The requested OpenGL version is unavailable";
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case GLFW_PLATFORM_ERROR:
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return "A platform-specific error occurred";
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case GLFW_WINDOW_NOT_ACTIVE:
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return "The specified window is not active";
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case GLFW_FORMAT_UNAVAILABLE:
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return "The requested format is unavailable";
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}
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return "ERROR: UNKNOWN ERROR TOKEN PASSED TO glfwErrorString";
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}
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//========================================================================
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// Sets the callback function for GLFW errors
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// This function may be called without GLFW having been initialized
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//========================================================================
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GLFWAPI void glfwSetErrorCallback(GLFWerrorfun cbfun)
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{
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_glfwErrorCallback = cbfun;
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}
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113
src/init.c
113
src/init.c
@ -32,6 +32,8 @@
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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//////////////////////////////////////////////////////////////////////////
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@ -51,6 +53,56 @@ GLboolean _glfwInitialized = GL_FALSE;
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_GLFWlibrary _glfwLibrary;
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//========================================================================
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// Platform independent global error state
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// These are not in _glfwLibrary because they need to be initialized and
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// usable before glfwInit so it can report errors to the user
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//========================================================================
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// The current error code
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// TODO: Make thread-local
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static int _glfwError = GLFW_NO_ERROR;
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// The current error callback
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static GLFWerrorfun _glfwErrorCallback = NULL;
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//========================================================================
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// Sets the current error value
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// This function may be called without GLFW having been initialized
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//========================================================================
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void _glfwSetError(int error, const char* format, ...)
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{
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if (_glfwErrorCallback)
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{
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char buffer[16384];
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const char* description;
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if (format)
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{
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int count;
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va_list vl;
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va_start(vl, format);
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count = vsnprintf(buffer, sizeof(buffer), format, vl);
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va_end(vl);
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if (count < 0)
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buffer[sizeof(buffer) - 1] = '\0';
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description = buffer;
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}
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else
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description = glfwErrorString(error);
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_glfwErrorCallback(error, description);
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}
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else
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_glfwError = error;
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}
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//////////////////////////////////////////////////////////////////////////
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////// GLFW public API //////
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//////////////////////////////////////////////////////////////////////////
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@ -132,3 +184,64 @@ GLFWAPI const char* glfwGetVersionString(void)
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return _glfwPlatformGetVersionString();
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}
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//========================================================================
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// Returns the current error value
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// This function may be called without GLFW having been initialized
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//========================================================================
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GLFWAPI int glfwGetError(void)
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{
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int error = _glfwError;
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_glfwError = GLFW_NO_ERROR;
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return error;
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}
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//========================================================================
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// Returns a string representation of the specified error value
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// This function may be called without GLFW having been initialized
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//========================================================================
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GLFWAPI const char* glfwErrorString(int error)
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{
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switch (error)
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{
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case GLFW_NO_ERROR:
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return "No error";
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case GLFW_NOT_INITIALIZED:
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return "The GLFW library is not initialized";
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case GLFW_NO_CURRENT_CONTEXT:
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return "There is no current OpenGL context";
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case GLFW_INVALID_ENUM:
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return "Invalid argument for enum parameter";
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case GLFW_INVALID_VALUE:
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return "Invalid value for parameter";
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case GLFW_OUT_OF_MEMORY:
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return "Out of memory";
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case GLFW_OPENGL_UNAVAILABLE:
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return "OpenGL is not available on this machine";
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case GLFW_VERSION_UNAVAILABLE:
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return "The requested OpenGL version is unavailable";
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case GLFW_PLATFORM_ERROR:
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return "A platform-specific error occurred";
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case GLFW_WINDOW_NOT_ACTIVE:
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return "The specified window is not active";
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case GLFW_FORMAT_UNAVAILABLE:
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return "The requested format is unavailable";
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}
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return "ERROR: UNKNOWN ERROR TOKEN PASSED TO glfwErrorString";
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}
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//========================================================================
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// Sets the callback function for GLFW errors
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// This function may be called without GLFW having been initialized
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//========================================================================
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GLFWAPI void glfwSetErrorCallback(GLFWerrorfun cbfun)
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{
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_glfwErrorCallback = cbfun;
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}
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