Camilla Berglund
ago%!(EXTRA string=13 years)
commit
d0ad28f174
36 changed files with 500 additions and 583 deletions
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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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