--- /dev/null
+/*
+ vid_agl.c
+
+ Mac OS X OpenGL and input module, using Carbon and AGL
+
+ Copyright (C) 2005 Mathieu Olivier
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+
+#include <dlfcn.h>
+#include <signal.h>
+#include <AGL/agl.h>
+#include <Carbon/Carbon.h>
+#include "quakedef.h"
+
+
+// Tell startup code that we have a client
+int cl_available = true;
+
+// AGL prototypes
+AGLPixelFormat (*qaglChoosePixelFormat) (const AGLDevice *gdevs, GLint ndev, const GLint *attribList);
+AGLContext (*qaglCreateContext) (AGLPixelFormat pix, AGLContext share);
+GLboolean (*qaglDestroyContext) (AGLContext ctx);
+void (*qaglDestroyPixelFormat) (AGLPixelFormat pix);
+GLboolean (*qaglSetCurrentContext) (AGLContext ctx);
+GLboolean (*qaglSetDrawable) (AGLContext ctx, AGLDrawable draw);
+GLboolean (*qaglSetFullScreen) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device);
+void (*qaglSwapBuffers) (AGLContext ctx);
+
+static qboolean mouse_avail = true;
+static qboolean vid_usingmouse = false;
+static float mouse_x, mouse_y;
+
+static qboolean vid_isfullscreen = false;
+
+static int scr_width, scr_height;
+
+static AGLContext context;
+static WindowRef window;
+
+
+void VID_GetWindowSize (int *x, int *y, int *width, int *height)
+{
+ *x = *y = 0;
+ *width = scr_width;
+ *height = scr_height;
+}
+
+static void IN_Activate( qboolean grab )
+{
+ if (grab)
+ {
+ if (!vid_usingmouse && mouse_avail && window)
+ {
+ Rect winBounds;
+ CGPoint winCenter;
+
+ SelectWindow(window);
+ HideCursor();
+
+ // Put the mouse cursor at the center of the window
+ GetWindowBounds (window, kWindowContentRgn, &winBounds);
+ winCenter.x = (winBounds.left + winBounds.right) / 2;
+ winCenter.y = (winBounds.top + winBounds.bottom) / 2;
+ CGWarpMouseCursorPosition(winCenter);
+
+ // Lock the mouse pointer at its current position
+ CGAssociateMouseAndMouseCursorPosition(false);
+
+ mouse_x = mouse_y = 0;
+ vid_usingmouse = true;
+ }
+ }
+ else
+ {
+ if (vid_usingmouse)
+ {
+ CGAssociateMouseAndMouseCursorPosition(true);
+ ShowCursor();
+
+ vid_usingmouse = false;
+ }
+ }
+}
+
+void VID_Finish (void)
+{
+ qboolean vid_usemouse;
+
+ // handle the mouse state when windowed if that's changed
+ vid_usemouse = false;
+ if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
+ vid_usemouse = true;
+ if (!vid_activewindow)
+ vid_usemouse = false;
+ if (vid_isfullscreen)
+ vid_usemouse = true;
+ IN_Activate(vid_usemouse);
+
+ if (r_render.integer)
+ {
+ if (r_speeds.integer || gl_finish.integer)
+ qglFinish();
+ qaglSwapBuffers(context);
+ }
+}
+
+int VID_SetGamma(unsigned short *ramps)
+{
+ // TODO
+ return false;
+}
+
+int VID_GetGamma(unsigned short *ramps)
+{
+ // TODO
+ return false;
+}
+
+void signal_handler(int sig)
+{
+ printf("Received signal %d, exiting...\n", sig);
+ VID_RestoreSystemGamma();
+ Sys_Quit();
+ exit(0);
+}
+
+void InitSig(void)
+{
+ signal(SIGHUP, signal_handler);
+ signal(SIGINT, signal_handler);
+ signal(SIGQUIT, signal_handler);
+ signal(SIGILL, signal_handler);
+ signal(SIGTRAP, signal_handler);
+ signal(SIGIOT, signal_handler);
+ signal(SIGBUS, signal_handler);
+ signal(SIGFPE, signal_handler);
+ signal(SIGSEGV, signal_handler);
+ signal(SIGTERM, signal_handler);
+}
+
+void VID_Init(void)
+{
+ InitSig(); // trap evil signals
+// COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
+ if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
+ mouse_avail = false;
+}
+
+static void *prjobj = NULL;
+
+static void GL_CloseLibrary(void)
+{
+ if (prjobj)
+ dlclose(prjobj);
+ prjobj = NULL;
+ gl_driver[0] = 0;
+ gl_extensions = "";
+ gl_platform = "";
+ gl_platformextensions = "";
+}
+
+static int GL_OpenLibrary(void)
+{
+ const char *name = "/System/Library/Frameworks/AGL.framework/AGL";
+
+ Con_Printf("Loading OpenGL driver %s\n", name);
+ GL_CloseLibrary();
+ if (!(prjobj = dlopen(name, RTLD_LAZY)))
+ {
+ Con_Printf("Unable to open symbol list for %s\n", name);
+ return false;
+ }
+ strcpy(gl_driver, name);
+ return true;
+}
+
+void *GL_GetProcAddress(const char *name)
+{
+ return dlsym(prjobj, name);
+}
+
+void VID_Shutdown(void)
+{
+ if (context == NULL || window == NULL)
+ return;
+
+ IN_Activate(false);
+ VID_RestoreSystemGamma();
+
+ if (context != NULL)
+ {
+ qaglDestroyContext(context);
+ context = NULL;
+ }
+
+ if (window != NULL)
+ {
+ DisposeWindow(window);
+ window = NULL;
+ }
+
+ vid_hidden = true;
+ vid_isfullscreen = false;
+
+ GL_CloseLibrary();
+ Key_ClearStates ();
+}
+
+// Since the event handler can be called at any time, we store the events for later processing
+static qboolean AsyncEvent_Quitting = false;
+static qboolean AsyncEvent_Collapsed = false;
+static OSStatus MainWindowEventHandler (EventHandlerCallRef nextHandler, EventRef event, void *userData)
+{
+ OSStatus err = noErr;
+
+ switch (GetEventKind (event))
+ {
+ case kEventWindowClosed:
+ //Con_Printf(">> kEventWindowClosed (received) <<\n");
+ AsyncEvent_Quitting = true;
+ break;
+
+ // Docked (start)
+ case kEventWindowCollapsing:
+ //Con_Printf(">> kEventWindowCollapsing (received) <<\n");
+ AsyncEvent_Collapsed = true;
+ break;
+
+ // Undocked / restored (end)
+ case kEventWindowExpanded:
+ //Con_Printf(">> kEventWindowExpanded (received) <<\n");
+ AsyncEvent_Collapsed = false;
+ break;
+
+ default:
+ err = eventNotHandledErr;
+ break;
+ }
+
+ return err;
+}
+
+static void VID_ProcessPendingAsyncEvents (void)
+{
+ // Collapsed / expanded
+ if (AsyncEvent_Collapsed != vid_hidden)
+ {
+ /*
+ if (vid_hidden)
+ Con_Printf(">> kEventWindowExpanded (processed) <<\n");
+ else
+ Con_Printf(">> kEventWindowCollapsing (processed) <<\n");
+ */
+
+ vid_hidden = !vid_hidden;
+ vid_activewindow = false;
+ VID_RestoreSystemGamma();
+ }
+
+ // Closed
+ if (AsyncEvent_Quitting)
+ {
+ //Con_Printf(">> kEventWindowClosed (processed) <<\n");
+ Sys_Quit();
+ }
+}
+
+static void VID_BuildAGLAttrib(GLint *attrib, int stencil, qboolean fullscreen)
+{
+ *attrib++ = AGL_RGBA;
+ *attrib++ = AGL_RED_SIZE;*attrib++ = 1;
+ *attrib++ = AGL_GREEN_SIZE;*attrib++ = 1;
+ *attrib++ = AGL_BLUE_SIZE;*attrib++ = 1;
+ *attrib++ = AGL_DOUBLEBUFFER;
+ *attrib++ = AGL_DEPTH_SIZE;*attrib++ = 1;
+ // if stencil is enabled, ask for alpha too
+ if (stencil)
+ {
+ *attrib++ = AGL_STENCIL_SIZE;*attrib++ = 8;
+ *attrib++ = AGL_ALPHA_SIZE;*attrib++ = 1;
+ }
+ if (fullscreen)
+ *attrib++ = AGL_FULLSCREEN;
+ *attrib++ = AGL_NONE;
+}
+
+int VID_InitMode(int fullscreen, int width, int height, int bpp)
+{
+ const EventTypeSpec winEvents[] =
+ {
+ { kEventClassWindow, kEventWindowClosed },
+ { kEventClassWindow, kEventWindowCollapsing },
+ { kEventClassWindow, kEventWindowExpanded },
+ };
+ OSStatus carbonError;
+ Rect windowBounds;
+ GDHandle screen;
+ AGLPixelFormat pixelFormat;
+ GLint attributes [32];
+
+ if (!GL_OpenLibrary())
+ {
+ Con_Printf("Unable to load GL driver\n");
+ return false;
+ }
+
+ if ((qaglChoosePixelFormat = GL_GetProcAddress("aglChoosePixelFormat")) == NULL
+ || (qaglCreateContext = GL_GetProcAddress("aglCreateContext")) == NULL
+ || (qaglDestroyContext = GL_GetProcAddress("aglDestroyContext")) == NULL
+ || (qaglDestroyPixelFormat = GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
+ || (qaglSetCurrentContext = GL_GetProcAddress("aglSetCurrentContext")) == NULL
+ || (qaglSetDrawable = GL_GetProcAddress("aglSetDrawable")) == NULL
+ || (qaglSetFullScreen = GL_GetProcAddress("aglSetFullScreen")) == NULL
+ || (qaglSwapBuffers = GL_GetProcAddress("aglSwapBuffers")) == NULL
+ )
+ {
+ Con_Printf("AGL functions not found\n");
+ ReleaseWindow(window);
+ return false;
+ }
+
+ // Ignore the events from the previous window
+ AsyncEvent_Quitting = false;
+ AsyncEvent_Collapsed = false;
+
+ // Create the window
+ SetRect(&windowBounds, 0, 0, width, height);
+ OffsetRect(&windowBounds, 100, 100); // move it a bit towards the center of the screen
+ carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window);
+ if (carbonError != noErr || window == NULL)
+ {
+ Con_Printf("Unable to create window (error %d)\n", carbonError);
+ return false;
+ }
+
+ // Set the window title
+ CFStringRef windowTitle = CFSTR("DarkPlaces AGL");
+ SetWindowTitleWithCFString(window, windowTitle);
+ CFRelease(windowTitle);
+
+ // Install the callback function for the window events we can't get
+ // through ReceiveNextEvent (i.e. close, collapse, and expand)
+ InstallWindowEventHandler (window, NewEventHandlerUPP (MainWindowEventHandler),
+ GetEventTypeCount(winEvents), winEvents, window, NULL);
+
+ screen = GetGWorldDevice(GetWindowPort(window));
+ if (screen == NULL)
+ {
+ Con_Printf("Unable to get GDevice for window\n");
+ ReleaseWindow(window);
+ return false;
+ }
+
+ // Create and set pixel format
+ VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen);
+ pixelFormat = qaglChoosePixelFormat(&screen, 1, attributes);
+ if (pixelFormat == NULL)
+ {
+ Con_Printf("Unable to create pixel format\n");
+ ReleaseWindow(window);
+ return false;
+ }
+
+ // Set context and show the window
+ context = qaglCreateContext(pixelFormat, NULL);
+ qaglDestroyPixelFormat(pixelFormat);
+ if (context == NULL)
+ Sys_Error ("aglCreateContext failed\n");
+ if (!qaglSetDrawable(context, GetWindowPort(window)))
+ Sys_Error ("aglSetDrawable failed\n");
+ if (!qaglSetCurrentContext(context))
+ Sys_Error ("aglSetCurrentContext failed\n");
+
+ scr_width = width;
+ scr_height = height;
+
+ if ((qglGetString = GL_GetProcAddress("glGetString")) == NULL)
+ Sys_Error("glGetString not found in %s", gl_driver);
+
+ if (fullscreen)
+ {
+ if (!qaglSetFullScreen (context, width, height, 0, 0))
+ Sys_Error("aglSetFullScreen failed\n");
+ vid_isfullscreen = true;
+ }
+
+ gl_renderer = qglGetString(GL_RENDERER);
+ gl_vendor = qglGetString(GL_VENDOR);
+ gl_version = qglGetString(GL_VERSION);
+ gl_extensions = qglGetString(GL_EXTENSIONS);
+ gl_platform = "AGL";
+ gl_videosyncavailable = false;
+
+ vid_usingmouse = false;
+ vid_hidden = false;
+ vid_activewindow = true;
+ GL_Init();
+
+ SelectWindow(window);
+ ShowWindow(window);
+
+ return true;
+}
+
+static void Handle_KeyMod(UInt32 keymod)
+{
+ static UInt32 prev_keymod = 0;
+ UInt32 modChanges = prev_keymod ^ keymod;
+
+ if ((modChanges & cmdKey) != 0)
+ {
+ Key_Event(K_AUX1, '\0', (keymod & cmdKey) != 0);
+ }
+ if ((modChanges & shiftKey) != 0 || (modChanges & rightShiftKey) != 0)
+ {
+ Key_Event(K_SHIFT, '\0', (keymod & shiftKey) != 0);
+ }
+ if ((modChanges & alphaLock) != 0)
+ {
+ Key_Event(K_CAPSLOCK, '\0', (keymod & alphaLock) != 0);
+ }
+ if ((modChanges & optionKey) != 0 || (modChanges & rightOptionKey) != 0)
+ {
+ Key_Event(K_ALT, '\0', (keymod & optionKey) != 0);
+ }
+ if ((modChanges & controlKey) != 0 || (modChanges & rightControlKey) != 0)
+ {
+ Key_Event(K_CTRL, '\0', (keymod & controlKey) != 0);
+ }
+ if ((modChanges & kEventKeyModifierNumLockMask) != 0)
+ {
+ Key_Event(K_NUMLOCK, '\0', (keymod & kEventKeyModifierNumLockMask) != 0);
+ }
+ if ((modChanges & kEventKeyModifierFnMask) != 0)
+ {
+ Key_Event(K_AUX2, '\0', (keymod & kEventKeyModifierFnMask) != 0);
+ }
+
+ prev_keymod = keymod;
+}
+
+static void Handle_Key(qbyte charcode, qboolean keypressed)
+{
+ unsigned int keycode = 0;
+ char ascii = '\0';
+
+ switch (charcode)
+ {
+ case kHomeCharCode:
+ keycode = K_HOME;
+ break;
+ case kEnterCharCode:
+ keycode = K_KP_ENTER;
+ break;
+ case kEndCharCode:
+ keycode = K_END;
+ break;
+ case kBackspaceCharCode:
+ keycode = K_BACKSPACE;
+ break;
+ case kTabCharCode:
+ keycode = K_TAB;
+ break;
+ case kPageUpCharCode:
+ keycode = K_PGUP;
+ break;
+ case kPageDownCharCode:
+ keycode = K_PGDN;
+ break;
+ case kReturnCharCode:
+ keycode = K_ENTER;
+ break;
+ case kEscapeCharCode:
+ keycode = K_ESCAPE;
+ break;
+ case kLeftArrowCharCode:
+ keycode = K_LEFTARROW;
+ break;
+ case kRightArrowCharCode:
+ keycode = K_RIGHTARROW;
+ break;
+ case kUpArrowCharCode:
+ keycode = K_UPARROW;
+ break;
+ case kDownArrowCharCode :
+ keycode = K_DOWNARROW;
+ break;
+ case kDeleteCharCode:
+ keycode = K_DEL;
+ break;
+ case 191:
+ // char 191 is sent by the mouse buttons (?!)
+ break;
+ default:
+ if ('A' <= charcode && charcode <= 'Z')
+ {
+ keycode = charcode + ('a' - 'A'); // lowercase it
+ ascii = charcode;
+ }
+ else if (32 <= charcode && charcode <= 126)
+ {
+ keycode = charcode;
+ ascii = charcode;
+ }
+ else
+ Con_Printf(">> UNKNOWN charcode: %d <<\n", charcode);
+ }
+
+ if (keycode != 0)
+ Key_Event(keycode, ascii, keypressed);
+}
+
+void Sys_SendKeyEvents(void)
+{
+ EventRef theEvent;
+ EventTargetRef theTarget;
+
+ // Start by processing the asynchronous events we received since the previous frame
+ VID_ProcessPendingAsyncEvents();
+
+ theTarget = GetEventDispatcherTarget();
+ while (ReceiveNextEvent(0, NULL, kEventDurationNoWait, true, &theEvent) == noErr)
+ {
+ UInt32 eventClass = GetEventClass(theEvent);
+ UInt32 eventKind = GetEventKind(theEvent);
+
+ switch (eventClass)
+ {
+ case kEventClassMouse:
+ {
+ EventMouseButton theButton;
+ int key;
+
+ switch (eventKind)
+ {
+ case kEventMouseDown:
+ case kEventMouseUp:
+ GetEventParameter(theEvent, kEventParamMouseButton, typeMouseButton, NULL, sizeof(theButton), NULL, &theButton);
+ switch (theButton)
+ {
+ default:
+ case kEventMouseButtonPrimary:
+ key = K_MOUSE1;
+ //Con_Printf(">> kEventMouseButtonPrimary <<\n");
+ break;
+ case kEventMouseButtonSecondary:
+ key = K_MOUSE2;
+ //Con_Printf(">> kEventMouseButtonSecondary <<\n");
+ break;
+ case kEventMouseButtonTertiary:
+ key = K_MOUSE3;
+ //Con_Printf(">> kEventMouseButtonTertiary <<\n");
+ break;
+ }
+ Key_Event(key, '\0', eventKind == kEventMouseDown);
+ break;
+
+ case kEventMouseMoved:
+ {
+ HIPoint deltaPos;
+
+ GetEventParameter(theEvent, kEventParamMouseDelta, typeHIPoint, NULL, sizeof(deltaPos), NULL, &deltaPos);
+ //Con_Printf(">> kEventMouseMoved (%f, %f) <<\n", deltaPos.x, deltaPos.y);
+
+ mouse_x += deltaPos.x;
+ mouse_y += deltaPos.y;
+ break;
+ }
+
+ case kEventMouseWheelMoved:
+ {
+ SInt32 delta;
+ unsigned int wheelEvent;
+
+ GetEventParameter(theEvent, kEventParamMouseWheelDelta, typeSInt32, NULL, sizeof(delta), NULL, &delta);
+ //Con_Printf(">> kEventMouseWheelMoved (delta: %d) <<\n", delta);
+
+ wheelEvent = (delta > 0) ? K_MWHEELUP : K_MWHEELDOWN;
+ Key_Event(wheelEvent, 0, true);
+ Key_Event(wheelEvent, 0, false);
+ break;
+ }
+
+ case kEventMouseDragged:
+ //Con_Printf(">> kEventMouseDragged <<\n");
+ break;
+
+ default:
+ Con_Printf (">> kEventClassMouse (UNKNOWN eventKind: %d) <<\n", eventKind);
+ break;
+ }
+ }
+
+ case kEventClassKeyboard:
+ {
+ char keycode;
+
+ switch (eventKind)
+ {
+ case kEventRawKeyDown:
+ GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(keycode), NULL, &keycode);
+ Handle_Key(keycode, true);
+ //Con_Printf(">> kEventRawKeyDown (%d) <<\n", keycode);
+ break;
+
+ case kEventRawKeyRepeat:
+ //Con_Printf(">> kEventRawKeyRepeat <<\n");
+ break;
+
+ case kEventRawKeyUp:
+ GetEventParameter(theEvent, kEventParamKeyMacCharCodes, typeChar, NULL, sizeof(keycode), NULL, &keycode);
+ Handle_Key(keycode, false);
+ //Con_Printf(">> kEventRawKeyUp (%d) <<\n", keycode);
+ break;
+
+ case kEventRawKeyModifiersChanged:
+ {
+ UInt32 keymod = 0;
+ GetEventParameter(theEvent, kEventParamKeyModifiers, typeUInt32, NULL, sizeof(keymod), NULL, &keymod);
+ Handle_KeyMod(keymod);
+ //Con_Printf(">> kEventRawKeyModifiersChanged (0x%08X) <<\n", keymod);
+ break;
+ }
+
+ case kEventHotKeyPressed:
+ //Con_Printf(">> kEventHotKeyPressed <<\n");
+ break;
+
+ case kEventHotKeyReleased:
+ //Con_Printf(">> kEventHotKeyReleased <<\n");
+ break;
+
+ case kEventMouseWheelMoved:
+ //Con_Printf(">> kEventMouseWheelMoved - via a keyboard event (!?) <<\n");
+ break;
+
+ default:
+ Con_Printf (">> kEventClassKeyboard (UNKNOWN eventKind: %d) <<\n", eventKind);
+ break;
+ }
+ break;
+ }
+
+ case kEventClassTextInput:
+ Con_Printf(">> kEventClassTextInput (%d) <<\n", eventKind);
+ break;
+
+ case kEventClassApplication:
+ switch (eventKind)
+ {
+ case kEventAppActivated :
+ //Con_Printf(">> kEventAppActivated <<\n");
+ vid_activewindow = true;
+ break;
+ case kEventAppDeactivated:
+ //Con_Printf(">> kEventAppDeactivated <<\n");
+ vid_activewindow = false;
+ VID_RestoreSystemGamma();
+ break;
+ case kEventAppQuit:
+ //Con_Printf(">> kEventAppQuit <<\n");
+ Sys_Quit();
+ break;
+ case kEventAppActiveWindowChanged:
+ //Con_Printf(">> kEventAppActiveWindowChanged <<\n");
+ break;
+ default:
+ Con_Printf(">> kEventClassApplication (UNKNOWN eventKind: %d) <<\n", eventKind);
+ break;
+ }
+ break;
+
+ case kEventClassAppleEvent:
+ switch (eventKind)
+ {
+ case kEventAppleEvent :
+ //Con_Printf(">> kEventAppleEvent <<\n");
+ break;
+ default:
+ Con_Printf(">> kEventClassAppleEvent (UNKNOWN eventKind: %d) <<\n", eventKind);
+ break;
+ }
+ break;
+
+ case kEventClassWindow:
+ switch (eventKind)
+ {
+ case kEventWindowUpdate :
+ //Con_Printf(">> kEventWindowUpdate <<\n");
+ break;
+ default:
+ Con_Printf(">> kEventClassWindow (UNKNOWN eventKind: %d) <<\n", eventKind);
+ break;
+ }
+ break;
+
+ case kEventClassControl:
+ //Con_Printf(">> kEventClassControl (%d) <<\n", eventKind);
+ break;
+
+ default:
+ /*Con_Printf(">> UNKNOWN eventClass: %c%c%c%c, eventKind: %d <<\n",
+ eventClass >> 24, (eventClass >> 16) & 0xFF,
+ (eventClass >> 8) & 0xFF, eventClass & 0xFF,
+ eventKind);*/
+ break;
+ }
+
+ SendEventToEventTarget (theEvent, theTarget);
+ ReleaseEvent(theEvent);
+ }
+}
+
+void IN_Move (void)
+{
+ if (mouse_avail)
+ {
+ in_mouse_x = mouse_x;
+ in_mouse_y = mouse_y;
+ }
+ mouse_x = 0;
+ mouse_y = 0;
+}
projects / xonotic / darkplaces.git / commitdiff