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