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911 lines
28 KiB
911 lines
28 KiB
//======================================================================== |
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// GLFW - An OpenGL framework |
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// Platform: Any |
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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) 2002-2006 Marcus Geelnard |
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// Copyright (c) 2006-2010 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 <limits.h> |
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//************************************************************************ |
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//**** GLFW internal functions **** |
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//************************************************************************ |
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static int Max(int a, int b) |
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{ |
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return (a > b) ? a : b; |
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} |
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//======================================================================== |
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// Clear all open window hints |
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//======================================================================== |
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void _glfwClearWindowHints(void) |
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{ |
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memset(&_glfwLibrary.hints, 0, sizeof(_glfwLibrary.hints)); |
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_glfwLibrary.hints.glMajor = 1; |
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} |
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//======================================================================== |
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// Handle the input tracking part of window deactivation |
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//======================================================================== |
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void _glfwInputDeactivation(void) |
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{ |
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int i; |
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// Release all keyboard keys |
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for (i = 0; i <= GLFW_KEY_LAST; i++) |
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{ |
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if(_glfwInput.Key[i] == GLFW_PRESS) |
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_glfwInputKey(i, GLFW_RELEASE); |
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} |
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// Release all mouse buttons |
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for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++) |
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{ |
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if (_glfwInput.MouseButton[i] == GLFW_PRESS) |
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_glfwInputMouseClick(i, GLFW_RELEASE); |
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} |
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} |
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//======================================================================== |
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// Clear all input state |
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//======================================================================== |
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void _glfwClearInput(void) |
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{ |
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int i; |
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// Release all keyboard keys |
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for (i = 0; i <= GLFW_KEY_LAST; i++) |
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_glfwInput.Key[i] = GLFW_RELEASE; |
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// Clear last character |
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_glfwInput.LastChar = 0; |
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// Release all mouse buttons |
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for (i = 0; i <= GLFW_MOUSE_BUTTON_LAST; i++) |
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_glfwInput.MouseButton[i] = GLFW_RELEASE; |
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// Set mouse position to (0,0) |
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_glfwInput.MousePosX = 0; |
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_glfwInput.MousePosY = 0; |
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// Set mouse wheel position to 0 |
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_glfwInput.WheelPos = 0; |
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// The default is to use non sticky keys and mouse buttons |
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_glfwInput.StickyKeys = GL_FALSE; |
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_glfwInput.StickyMouseButtons = GL_FALSE; |
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// The default is to disable key repeat |
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_glfwInput.KeyRepeat = GL_FALSE; |
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} |
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//======================================================================== |
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// Register keyboard activity |
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//======================================================================== |
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void _glfwInputKey(int key, int action) |
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{ |
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int keyrepeat = 0; |
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if (key < 0 || key > GLFW_KEY_LAST) |
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return; |
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// Are we trying to release an already released key? |
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if (action == GLFW_RELEASE && _glfwInput.Key[key] != GLFW_PRESS) |
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return; |
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// Register key action |
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if(action == GLFW_RELEASE && _glfwInput.StickyKeys) |
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_glfwInput.Key[key] = GLFW_STICK; |
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else |
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{ |
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keyrepeat = (_glfwInput.Key[key] == GLFW_PRESS) && |
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(action == GLFW_PRESS); |
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_glfwInput.Key[key] = (char) action; |
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} |
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// Call user callback function |
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if (_glfwWin.keyCallback && (_glfwInput.KeyRepeat || !keyrepeat) ) |
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_glfwWin.keyCallback(key, action); |
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} |
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//======================================================================== |
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// Register (keyboard) character activity |
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//======================================================================== |
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void _glfwInputChar(int character, int action) |
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{ |
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int keyrepeat = 0; |
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// Valid Unicode (ISO 10646) character? |
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if (!((character >= 32 && character <= 126) || character >= 160)) |
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return; |
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// Is this a key repeat? |
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if (action == GLFW_PRESS && _glfwInput.LastChar == character) |
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keyrepeat = 1; |
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// Store this character as last character (or clear it, if released) |
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if (action == GLFW_PRESS) |
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_glfwInput.LastChar = character; |
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else |
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_glfwInput.LastChar = 0; |
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if (action != GLFW_PRESS) |
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{ |
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// This intentionally breaks release notifications for Unicode |
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// characters, partly to see if anyone cares but mostly because it's |
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// a nonsensical concept to begin with |
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// |
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// It will remain broken either until its removal in the 3.0 API or |
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// until someone explains, in a way that makes sense to people outside |
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// the US and Scandinavia, what "Unicode character up" actually means |
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// |
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// If what you want is "physical key up" then you should be using the |
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// key functions and/or the key callback, NOT the Unicode input |
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// |
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// However, if your particular application uses this misfeature for... |
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// something, you can re-enable it by removing this if-statement |
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return; |
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} |
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if (_glfwWin.charCallback && (_glfwInput.KeyRepeat || !keyrepeat)) |
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_glfwWin.charCallback(character, action); |
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} |
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//======================================================================== |
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// Register mouse button clicks |
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//======================================================================== |
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void _glfwInputMouseClick(int button, int action) |
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{ |
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if (button >= 0 && button <= GLFW_MOUSE_BUTTON_LAST) |
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{ |
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// Register mouse button action |
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if (action == GLFW_RELEASE && _glfwInput.StickyMouseButtons) |
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_glfwInput.MouseButton[button] = GLFW_STICK; |
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else |
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_glfwInput.MouseButton[button] = (char) action; |
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// Call user callback function |
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if (_glfwWin.mouseButtonCallback) |
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_glfwWin.mouseButtonCallback(button, action); |
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} |
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} |
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//======================================================================== |
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// Return the available framebuffer config closest to the desired values |
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// This is based on the manual GLX Visual selection from 2.6 |
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//======================================================================== |
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const _GLFWfbconfig *_glfwChooseFBConfig(const _GLFWfbconfig *desired, |
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const _GLFWfbconfig *alternatives, |
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unsigned int count) |
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{ |
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unsigned int i; |
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unsigned int missing, leastMissing = UINT_MAX; |
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unsigned int colorDiff, leastColorDiff = UINT_MAX; |
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unsigned int extraDiff, leastExtraDiff = UINT_MAX; |
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GLboolean desiresColor = GL_FALSE; |
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const _GLFWfbconfig *current; |
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const _GLFWfbconfig *closest = NULL; |
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// Cache some long-winded preferences |
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if (desired->redBits || desired->greenBits || desired->blueBits || |
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desired->alphaBits) |
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{ |
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desiresColor = GL_TRUE; |
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} |
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for (i = 0; i < count; i++) |
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{ |
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current = alternatives + i; |
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if (desired->stereo > 0 && current->stereo == 0) |
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{ |
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// Stereo is a hard constraint |
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continue; |
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} |
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// Count number of missing buffers |
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{ |
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missing = 0; |
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if (desired->alphaBits > 0 && current->alphaBits == 0) |
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missing++; |
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if (desired->depthBits > 0 && current->depthBits == 0) |
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missing++; |
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if (desired->stencilBits > 0 && current->stencilBits == 0) |
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missing++; |
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if (desired->auxBuffers > 0 && current->auxBuffers < desired->auxBuffers) |
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missing += desired->auxBuffers - current->auxBuffers; |
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if (desired->samples > 0 && current->samples == 0) |
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{ |
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// Technically, several multisampling buffers could be |
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// involved, but that's a lower level implementation detail and |
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// not important to us here, so we count them as one |
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missing++; |
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} |
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} |
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// These polynomials make many small channel size differences matter |
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// less than one large channel size difference |
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// Calculate color channel size difference value |
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{ |
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colorDiff = 0; |
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if (desired->redBits > 0) |
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{ |
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colorDiff += (desired->redBits - current->redBits) * |
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(desired->redBits - current->redBits); |
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} |
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if (desired->greenBits > 0) |
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{ |
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colorDiff += (desired->greenBits - current->greenBits) * |
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(desired->greenBits - current->greenBits); |
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} |
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if (desired->blueBits > 0) |
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{ |
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colorDiff += (desired->blueBits - current->blueBits) * |
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(desired->blueBits - current->blueBits); |
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} |
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} |
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// Calculate non-color channel size difference value |
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{ |
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extraDiff = 0; |
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if (desired->alphaBits > 0) |
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{ |
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extraDiff += (desired->alphaBits - current->alphaBits) * |
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(desired->alphaBits - current->alphaBits); |
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} |
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if (desired->depthBits > 0) |
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{ |
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extraDiff += (desired->depthBits - current->depthBits) * |
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(desired->depthBits - current->depthBits); |
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} |
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if (desired->stencilBits > 0) |
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{ |
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extraDiff += (desired->stencilBits - current->stencilBits) * |
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(desired->stencilBits - current->stencilBits); |
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} |
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if (desired->accumRedBits > 0) |
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{ |
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extraDiff += (desired->accumRedBits - current->accumRedBits) * |
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(desired->accumRedBits - current->accumRedBits); |
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} |
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if (desired->accumGreenBits > 0) |
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{ |
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extraDiff += (desired->accumGreenBits - current->accumGreenBits) * |
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(desired->accumGreenBits - current->accumGreenBits); |
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} |
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if (desired->accumBlueBits > 0) |
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{ |
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extraDiff += (desired->accumBlueBits - current->accumBlueBits) * |
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(desired->accumBlueBits - current->accumBlueBits); |
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} |
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if (desired->accumAlphaBits > 0) |
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{ |
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extraDiff += (desired->accumAlphaBits - current->accumAlphaBits) * |
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(desired->accumAlphaBits - current->accumAlphaBits); |
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} |
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if (desired->samples > 0) |
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{ |
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extraDiff += (desired->samples - current->samples) * |
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(desired->samples - current->samples); |
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} |
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} |
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// Figure out if the current one is better than the best one found so far |
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if (missing < leastMissing) |
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closest = current; |
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else if (missing == leastMissing) |
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{ |
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if (desiresColor) |
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{ |
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if ((colorDiff < leastColorDiff) || |
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(colorDiff == leastColorDiff && extraDiff < leastExtraDiff)) |
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{ |
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closest = current; |
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} |
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} |
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else |
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{ |
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if ((extraDiff < leastExtraDiff) || |
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(extraDiff == leastExtraDiff && colorDiff < leastColorDiff)) |
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{ |
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closest = current; |
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} |
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} |
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} |
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if (current == closest) |
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{ |
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leastMissing = missing; |
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leastColorDiff = colorDiff; |
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leastExtraDiff = extraDiff; |
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} |
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} |
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return closest; |
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} |
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//************************************************************************ |
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//**** GLFW user functions **** |
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//************************************************************************ |
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//======================================================================== |
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// Create the GLFW window and its associated context |
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//======================================================================== |
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GLFWAPI int glfwOpenWindow(int width, int height, |
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int redbits, int greenbits, int bluebits, |
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int alphabits, int depthbits, int stencilbits, |
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int mode) |
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{ |
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_GLFWfbconfig fbconfig; |
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_GLFWwndconfig wndconfig; |
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if (!_glfwInitialized || _glfwWin.opened) |
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return GL_FALSE; |
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// Set up desired framebuffer config |
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fbconfig.redBits = Max(redbits, 0); |
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fbconfig.greenBits = Max(greenbits, 0); |
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fbconfig.blueBits = Max(bluebits, 0); |
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fbconfig.alphaBits = Max(alphabits, 0); |
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fbconfig.depthBits = Max(depthbits, 0); |
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fbconfig.stencilBits = Max(stencilbits, 0); |
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fbconfig.accumRedBits = Max(_glfwLibrary.hints.accumRedBits, 0); |
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fbconfig.accumGreenBits = Max(_glfwLibrary.hints.accumGreenBits, 0); |
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fbconfig.accumBlueBits = Max(_glfwLibrary.hints.accumBlueBits, 0); |
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fbconfig.accumAlphaBits = Max(_glfwLibrary.hints.accumAlphaBits, 0); |
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fbconfig.auxBuffers = Max(_glfwLibrary.hints.auxBuffers, 0); |
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fbconfig.stereo = _glfwLibrary.hints.stereo ? GL_TRUE : GL_FALSE; |
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fbconfig.samples = Max(_glfwLibrary.hints.samples, 0); |
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// Set up desired window config |
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wndconfig.mode = mode; |
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wndconfig.refreshRate = Max(_glfwLibrary.hints.refreshRate, 0); |
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wndconfig.windowNoResize = _glfwLibrary.hints.windowNoResize ? GL_TRUE : GL_FALSE; |
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wndconfig.glMajor = Max(_glfwLibrary.hints.glMajor, 1); |
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wndconfig.glMinor = Max(_glfwLibrary.hints.glMinor, 0); |
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wndconfig.glForward = _glfwLibrary.hints.glForward ? GL_TRUE : GL_FALSE; |
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wndconfig.glDebug = _glfwLibrary.hints.glDebug ? GL_TRUE : GL_FALSE; |
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wndconfig.glProfile = _glfwLibrary.hints.glProfile; |
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if (wndconfig.glMajor == 1 && wndconfig.glMinor > 5) |
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{ |
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// OpenGL 1.x series ended with version 1.5 |
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return GL_FALSE; |
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} |
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else if (wndconfig.glMajor == 2 && wndconfig.glMinor > 1) |
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{ |
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// OpenGL 2.x series ended with version 2.1 |
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return GL_FALSE; |
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} |
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else if (wndconfig.glMajor == 3 && wndconfig.glMinor > 3) |
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{ |
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// OpenGL 3.x series ended with version 3.3 |
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return GL_FALSE; |
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} |
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else |
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{ |
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// For now, let everything else through |
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} |
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if (wndconfig.glProfile && |
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(wndconfig.glMajor < 3 || (wndconfig.glMajor == 3 && wndconfig.glMinor < 2))) |
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{ |
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// Context profiles are only defined for OpenGL version 3.2 and above |
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return GL_FALSE; |
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} |
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if (wndconfig.glForward && wndconfig.glMajor < 3) |
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{ |
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// Forward-compatible contexts are only defined for OpenGL version 3.0 and above |
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return GL_FALSE; |
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} |
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// Clear for next open call |
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_glfwClearWindowHints(); |
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// Check input arguments |
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if (mode != GLFW_WINDOW && mode != GLFW_FULLSCREEN) |
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return GL_FALSE; |
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// Clear GLFW window state |
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_glfwWin.active = GL_TRUE; |
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_glfwWin.iconified = GL_FALSE; |
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_glfwWin.mouseLock = GL_FALSE; |
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_glfwWin.autoPollEvents = GL_TRUE; |
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_glfwClearInput(); |
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// Unregister all callback functions |
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_glfwWin.windowSizeCallback = NULL; |
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_glfwWin.windowCloseCallback = NULL; |
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_glfwWin.windowRefreshCallback = NULL; |
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_glfwWin.keyCallback = NULL; |
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_glfwWin.charCallback = NULL; |
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_glfwWin.mousePosCallback = NULL; |
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_glfwWin.mouseButtonCallback = NULL; |
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_glfwWin.mouseWheelCallback = NULL; |
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// Check width & height |
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if (width > 0 && height <= 0) |
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{ |
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// Set the window aspect ratio to 4:3 |
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height = (width * 3) / 4; |
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} |
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else if (width <= 0 && height > 0) |
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{ |
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// Set the window aspect ratio to 4:3 |
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width = (height * 4) / 3; |
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} |
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else if (width <= 0 && height <= 0) |
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{ |
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// Default window size |
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width = 640; |
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height = 480; |
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} |
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// Remember window settings |
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_glfwWin.width = width; |
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_glfwWin.height = height; |
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_glfwWin.fullscreen = (mode == GLFW_FULLSCREEN ? GL_TRUE : GL_FALSE); |
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// Platform specific window opening routine |
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if (!_glfwPlatformOpenWindow(width, height, &wndconfig, &fbconfig)) |
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return GL_FALSE; |
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// Flag that window is now opened |
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_glfwWin.opened = GL_TRUE; |
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// Get window parameters (such as color buffer bits etc) |
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_glfwPlatformRefreshWindowParams(); |
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// Get OpenGL version |
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_glfwParseGLVersion(&_glfwWin.glMajor, &_glfwWin.glMinor, |
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&_glfwWin.glRevision); |
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if (_glfwWin.glMajor < wndconfig.glMajor || |
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(_glfwWin.glMajor == wndconfig.glMajor && |
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_glfwWin.glMinor < wndconfig.glMinor)) |
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{ |
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_glfwPlatformCloseWindow(); |
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return GL_FALSE; |
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} |
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if (_glfwWin.glMajor > 2) |
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{ |
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_glfwWin.GetStringi = (PFNGLGETSTRINGIPROC) glfwGetProcAddress("glGetStringi"); |
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if (!_glfwWin.GetStringi) |
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{ |
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_glfwPlatformCloseWindow(); |
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return GL_FALSE; |
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} |
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} |
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// If full-screen mode was requested, disable mouse cursor |
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if (mode == GLFW_FULLSCREEN) |
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glfwDisable(GLFW_MOUSE_CURSOR); |
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// Start by clearing the front buffer to black (avoid ugly desktop |
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// remains in our OpenGL window) |
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glClear(GL_COLOR_BUFFER_BIT); |
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_glfwPlatformSwapBuffers(); |
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return GL_TRUE; |
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} |
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//======================================================================== |
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// Set hints for opening the window |
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//======================================================================== |
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GLFWAPI void glfwOpenWindowHint(int target, int hint) |
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{ |
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if (!_glfwInitialized) |
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return; |
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switch (target) |
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{ |
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case GLFW_REFRESH_RATE: |
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_glfwLibrary.hints.refreshRate = hint; |
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break; |
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case GLFW_ACCUM_RED_BITS: |
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_glfwLibrary.hints.accumRedBits = hint; |
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break; |
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case GLFW_ACCUM_GREEN_BITS: |
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_glfwLibrary.hints.accumGreenBits = hint; |
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break; |
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case GLFW_ACCUM_BLUE_BITS: |
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_glfwLibrary.hints.accumBlueBits = hint; |
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break; |
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case GLFW_ACCUM_ALPHA_BITS: |
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_glfwLibrary.hints.accumAlphaBits = hint; |
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break; |
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case GLFW_AUX_BUFFERS: |
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_glfwLibrary.hints.auxBuffers = hint; |
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break; |
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case GLFW_STEREO: |
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_glfwLibrary.hints.stereo = hint; |
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break; |
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case GLFW_WINDOW_NO_RESIZE: |
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_glfwLibrary.hints.windowNoResize = hint; |
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break; |
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case GLFW_FSAA_SAMPLES: |
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_glfwLibrary.hints.samples = hint; |
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break; |
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case GLFW_OPENGL_VERSION_MAJOR: |
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_glfwLibrary.hints.glMajor = hint; |
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break; |
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case GLFW_OPENGL_VERSION_MINOR: |
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_glfwLibrary.hints.glMinor = hint; |
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break; |
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case GLFW_OPENGL_FORWARD_COMPAT: |
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_glfwLibrary.hints.glForward = hint; |
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break; |
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case GLFW_OPENGL_DEBUG_CONTEXT: |
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_glfwLibrary.hints.glDebug = hint; |
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break; |
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case GLFW_OPENGL_PROFILE: |
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_glfwLibrary.hints.glProfile = hint; |
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break; |
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default: |
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break; |
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} |
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} |
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//======================================================================== |
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// Properly kill the window / video display |
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//======================================================================== |
|
|
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GLFWAPI void glfwCloseWindow(void) |
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{ |
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if (!_glfwInitialized) |
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return; |
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|
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// Show mouse pointer again (if hidden) |
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glfwEnable(GLFW_MOUSE_CURSOR); |
|
|
|
_glfwPlatformCloseWindow(); |
|
|
|
memset(&_glfwWin, 0, sizeof(_glfwWin)); |
|
_glfwWin.opened = GL_FALSE; |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Set the window title |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSetWindowTitle(const char *title) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Set window title |
|
_glfwPlatformSetWindowTitle(title); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Get the window size |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwGetWindowSize(int *width, int *height) |
|
{ |
|
if (width != NULL) |
|
*width = _glfwWin.width; |
|
|
|
if (height != NULL) |
|
*height = _glfwWin.height; |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Set the window size |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSetWindowSize(int width, int height) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened || _glfwWin.iconified) |
|
return; |
|
|
|
// Don't do anything if the window size did not change |
|
if (width == _glfwWin.width && height == _glfwWin.height) |
|
return; |
|
|
|
// Change window size |
|
_glfwPlatformSetWindowSize(width, height); |
|
|
|
// Refresh window parameters (may have changed due to changed video |
|
// modes) |
|
_glfwPlatformRefreshWindowParams(); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Set the window position |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSetWindowPos(int x, int y) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened || _glfwWin.fullscreen || |
|
_glfwWin.iconified) |
|
{ |
|
return; |
|
} |
|
|
|
// Set window position |
|
_glfwPlatformSetWindowPos(x, y); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Window iconification |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwIconifyWindow(void) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened || _glfwWin.iconified) |
|
return; |
|
|
|
// Iconify window |
|
_glfwPlatformIconifyWindow(); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Window un-iconification |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwRestoreWindow(void) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened || !_glfwWin.iconified) |
|
return; |
|
|
|
// Restore iconified window |
|
_glfwPlatformRestoreWindow(); |
|
|
|
// Refresh window parameters |
|
_glfwPlatformRefreshWindowParams(); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Swap buffers (double-buffering) and poll any new events |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSwapBuffers(void) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Update display-buffer |
|
if (_glfwWin.opened) |
|
_glfwPlatformSwapBuffers(); |
|
|
|
// Check for window messages |
|
if (_glfwWin.autoPollEvents) |
|
glfwPollEvents(); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Set double buffering swap interval (0 = vsync off) |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSwapInterval(int interval) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Set double buffering swap interval |
|
_glfwPlatformSwapInterval(interval); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Get window parameter |
|
//======================================================================== |
|
|
|
GLFWAPI int glfwGetWindowParam(int param) |
|
{ |
|
if (!_glfwInitialized) |
|
return 0; |
|
|
|
if (!_glfwWin.opened) |
|
{ |
|
if (param == GLFW_OPENED) |
|
return GL_FALSE; |
|
|
|
return 0; |
|
} |
|
|
|
// Window parameters |
|
switch (param) |
|
{ |
|
case GLFW_OPENED: |
|
return GL_TRUE; |
|
case GLFW_ACTIVE: |
|
return _glfwWin.active; |
|
case GLFW_ICONIFIED: |
|
return _glfwWin.iconified; |
|
case GLFW_ACCELERATED: |
|
return _glfwWin.accelerated; |
|
case GLFW_RED_BITS: |
|
return _glfwWin.redBits; |
|
case GLFW_GREEN_BITS: |
|
return _glfwWin.greenBits; |
|
case GLFW_BLUE_BITS: |
|
return _glfwWin.blueBits; |
|
case GLFW_ALPHA_BITS: |
|
return _glfwWin.alphaBits; |
|
case GLFW_DEPTH_BITS: |
|
return _glfwWin.depthBits; |
|
case GLFW_STENCIL_BITS: |
|
return _glfwWin.stencilBits; |
|
case GLFW_ACCUM_RED_BITS: |
|
return _glfwWin.accumRedBits; |
|
case GLFW_ACCUM_GREEN_BITS: |
|
return _glfwWin.accumGreenBits; |
|
case GLFW_ACCUM_BLUE_BITS: |
|
return _glfwWin.accumBlueBits; |
|
case GLFW_ACCUM_ALPHA_BITS: |
|
return _glfwWin.accumAlphaBits; |
|
case GLFW_AUX_BUFFERS: |
|
return _glfwWin.auxBuffers; |
|
case GLFW_STEREO: |
|
return _glfwWin.stereo; |
|
case GLFW_REFRESH_RATE: |
|
return _glfwWin.refreshRate; |
|
case GLFW_WINDOW_NO_RESIZE: |
|
return _glfwWin.windowNoResize; |
|
case GLFW_FSAA_SAMPLES: |
|
return _glfwWin.samples; |
|
case GLFW_OPENGL_VERSION_MAJOR: |
|
return _glfwWin.glMajor; |
|
case GLFW_OPENGL_VERSION_MINOR: |
|
return _glfwWin.glMinor; |
|
case GLFW_OPENGL_FORWARD_COMPAT: |
|
return _glfwWin.glForward; |
|
case GLFW_OPENGL_DEBUG_CONTEXT: |
|
return _glfwWin.glDebug; |
|
case GLFW_OPENGL_PROFILE: |
|
return _glfwWin.glProfile; |
|
default: |
|
return 0; |
|
} |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Set callback function for window size changes |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSetWindowSizeCallback(GLFWwindowsizefun cbfun) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Set callback function |
|
_glfwWin.windowSizeCallback = cbfun; |
|
|
|
// Call the callback function to let the application know the current |
|
// window size |
|
if (cbfun) |
|
cbfun(_glfwWin.width, _glfwWin.height); |
|
} |
|
|
|
//======================================================================== |
|
// Set callback function for window close events |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSetWindowCloseCallback(GLFWwindowclosefun cbfun) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Set callback function |
|
_glfwWin.windowCloseCallback = cbfun; |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Set callback function for window refresh events |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwSetWindowRefreshCallback(GLFWwindowrefreshfun cbfun) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Set callback function |
|
_glfwWin.windowRefreshCallback = cbfun; |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Poll for new window and input events |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwPollEvents(void) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Poll for new events |
|
_glfwPlatformPollEvents(); |
|
} |
|
|
|
|
|
//======================================================================== |
|
// Wait for new window and input events |
|
//======================================================================== |
|
|
|
GLFWAPI void glfwWaitEvents(void) |
|
{ |
|
if (!_glfwInitialized || !_glfwWin.opened) |
|
return; |
|
|
|
// Poll for new events |
|
_glfwPlatformWaitEvents(); |
|
} |
|
|
|
|