Mac OS X OpenGL and input module, using Carbon and AGL
- Copyright (C) 2005 Mathieu Olivier
+ Copyright (C) 2005-2006 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
// Tell startup code that we have a client
int cl_available = true;
+qboolean vid_supportrefreshrate = 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);
+const GLubyte* (*qaglErrorString) (GLenum code);
+GLenum (*qaglGetError) (void);
GLboolean (*qaglSetCurrentContext) (AGLContext ctx);
GLboolean (*qaglSetDrawable) (AGLContext ctx, AGLDrawable draw);
GLboolean (*qaglSetFullScreen) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device);
+GLboolean (*qaglSetInteger) (AGLContext ctx, GLenum pname, const GLint *params);
void (*qaglSwapBuffers) (AGLContext ctx);
static qboolean mouse_avail = true;
static float mouse_x, mouse_y;
static qboolean vid_isfullscreen = false;
+static qboolean vid_usingvsync = false;
+
+static qboolean sound_active = true;
static int scr_width, scr_height;
static AGLContext context;
-static WindowRef window;
+static WindowRef window;
void VID_GetWindowSize (int *x, int *y, int *width, int *height)
CGPoint winCenter;
SelectWindow(window);
- HideCursor();
+ CGDisplayHideCursor(CGMainDisplayID());
// Put the mouse cursor at the center of the window
GetWindowBounds (window, kWindowContentRgn, &winBounds);
if (vid_usingmouse)
{
CGAssociateMouseAndMouseCursorPosition(true);
- ShowCursor();
+ CGDisplayShowCursor(CGMainDisplayID());
vid_usingmouse = false;
}
}
}
-void VID_Finish (void)
+#define GAMMA_TABLE_SIZE 256
+void VID_Finish (qboolean allowmousegrab)
{
qboolean vid_usemouse;
+ qboolean vid_usevsync;
// handle the mouse state when windowed if that's changed
vid_usemouse = false;
- if (vid_mouse.integer && !key_consoleactive && !cls.demoplayback)
+ if (allowmousegrab && vid_mouse.integer && !key_consoleactive && (key_dest != key_game || !cls.demoplayback))
vid_usemouse = true;
if (!vid_activewindow)
vid_usemouse = false;
vid_usemouse = true;
IN_Activate(vid_usemouse);
+ // handle changes of the vsync option
+ vid_usevsync = (vid_vsync.integer && !cls.timedemo);
+ if (vid_usingvsync != vid_usevsync)
+ {
+ GLint sync = (vid_usevsync ? 1 : 0);
+
+ if (qaglSetInteger(context, AGL_SWAP_INTERVAL, &sync) == GL_TRUE)
+ {
+ vid_usingvsync = vid_usevsync;
+ Con_DPrintf("Vsync %s\n", vid_usevsync ? "activated" : "deactivated");
+ }
+ else
+ Con_Printf("ERROR: can't %s vsync\n", vid_usevsync ? "activate" : "deactivate");
+ }
+
if (r_render.integer)
{
+ CHECKGLERROR
if (r_speeds.integer || gl_finish.integer)
- qglFinish();
+ {
+ qglFinish();CHECKGLERROR
+ }
qaglSwapBuffers(context);
}
+ VID_UpdateGamma(false, GAMMA_TABLE_SIZE);
}
-int VID_SetGamma(unsigned short *ramps)
+int VID_SetGamma(unsigned short *ramps, int rampsize)
{
- // TODO
- return false;
+ CGGammaValue table_red [GAMMA_TABLE_SIZE];
+ CGGammaValue table_green [GAMMA_TABLE_SIZE];
+ CGGammaValue table_blue [GAMMA_TABLE_SIZE];
+ int i;
+
+ // Convert the unsigned short table into 3 float tables
+ for (i = 0; i < rampsize; i++)
+ table_red[i] = (float)ramps[i] / 65535.0f;
+ for (i = 0; i < rampsize; i++)
+ table_green[i] = (float)ramps[i + rampsize] / 65535.0f;
+ for (i = 0; i < rampsize; i++)
+ table_blue[i] = (float)ramps[i + 2 * rampsize] / 65535.0f;
+
+ if (CGSetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue) != CGDisplayNoErr)
+ {
+ Con_Print("VID_SetGamma: ERROR: CGSetDisplayTransferByTable failed!\n");
+ return false;
+ }
+
+ return true;
}
-int VID_GetGamma(unsigned short *ramps)
+int VID_GetGamma(unsigned short *ramps, int rampsize)
{
- // TODO
- return false;
+ CGGammaValue table_red [GAMMA_TABLE_SIZE];
+ CGGammaValue table_green [GAMMA_TABLE_SIZE];
+ CGGammaValue table_blue [GAMMA_TABLE_SIZE];
+ CGTableCount actualsize = 0;
+ int i;
+
+ // Get the gamma ramps from the system
+ if (CGGetDisplayTransferByTable(CGMainDisplayID(), rampsize, table_red, table_green, table_blue, &actualsize) != CGDisplayNoErr)
+ {
+ Con_Print("VID_GetGamma: ERROR: CGGetDisplayTransferByTable failed!\n");
+ return false;
+ }
+ if (actualsize != (unsigned int)rampsize)
+ {
+ Con_Printf("VID_GetGamma: ERROR: invalid gamma table size (%u != %u)\n", actualsize, rampsize);
+ return false;
+ }
+
+ // Convert the 3 float tables into 1 unsigned short table
+ for (i = 0; i < rampsize; i++)
+ ramps[i] = table_red[i] * 65535.0f;
+ for (i = 0; i < rampsize; i++)
+ ramps[i + rampsize] = table_green[i] * 65535.0f;
+ for (i = 0; i < rampsize; i++)
+ ramps[i + 2 * rampsize] = table_blue[i] * 65535.0f;
+
+ return true;
}
void signal_handler(int sig)
void VID_Shutdown(void)
{
- if (context == NULL || window == NULL)
+ if (context == NULL && window == NULL)
return;
IN_Activate(false);
context = NULL;
}
+ if (vid_isfullscreen)
+ CGReleaseAllDisplays();
+
if (window != NULL)
{
DisposeWindow(window);
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;
return err;
}
+static void VID_AppFocusChanged(qboolean windowIsActive)
+{
+ if (vid_activewindow != windowIsActive)
+ {
+ vid_activewindow = windowIsActive;
+ if (!vid_activewindow)
+ VID_RestoreSystemGamma();
+ }
+
+ if (sound_active != windowIsActive)
+ {
+ sound_active = windowIsActive;
+ if (sound_active)
+ S_UnblockSound ();
+ else
+ S_BlockSound ();
+ }
+}
+
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();
+ VID_AppFocusChanged(!vid_hidden);
}
// Closed
if (AsyncEvent_Quitting)
- {
- //Con_Printf(">> kEventWindowClosed (processed) <<\n");
Sys_Quit();
- }
}
-static void VID_BuildAGLAttrib(GLint *attrib, int stencil, qboolean fullscreen)
+static void VID_BuildAGLAttrib(GLint *attrib, qboolean stencil, qboolean fullscreen)
{
*attrib++ = AGL_RGBA;
*attrib++ = AGL_RED_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_NONE;
}
-int VID_InitMode(int fullscreen, int width, int height, int bpp)
+int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate)
{
const EventTypeSpec winEvents[] =
{
};
OSStatus carbonError;
Rect windowBounds;
- GDHandle screen;
+ CFStringRef windowTitle;
AGLPixelFormat pixelFormat;
GLint attributes [32];
+ GLenum error;
if (!GL_OpenLibrary())
{
|| (qaglCreateContext = (AGLContext (*) (AGLPixelFormat pix, AGLContext share))GL_GetProcAddress("aglCreateContext")) == NULL
|| (qaglDestroyContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglDestroyContext")) == NULL
|| (qaglDestroyPixelFormat = (void (*) (AGLPixelFormat pix))GL_GetProcAddress("aglDestroyPixelFormat")) == NULL
+ || (qaglErrorString = (const GLubyte* (*) (GLenum code))GL_GetProcAddress("aglErrorString")) == NULL
+ || (qaglGetError = (GLenum (*) (void))GL_GetProcAddress("aglGetError")) == NULL
|| (qaglSetCurrentContext = (GLboolean (*) (AGLContext ctx))GL_GetProcAddress("aglSetCurrentContext")) == NULL
|| (qaglSetDrawable = (GLboolean (*) (AGLContext ctx, AGLDrawable draw))GL_GetProcAddress("aglSetDrawable")) == NULL
|| (qaglSetFullScreen = (GLboolean (*) (AGLContext ctx, GLsizei width, GLsizei height, GLsizei freq, GLint device))GL_GetProcAddress("aglSetFullScreen")) == NULL
+ || (qaglSetInteger = (GLboolean (*) (AGLContext ctx, GLenum pname, const GLint *params))GL_GetProcAddress("aglSetInteger")) == NULL
|| (qaglSwapBuffers = (void (*) (AGLContext ctx))GL_GetProcAddress("aglSwapBuffers")) == NULL
)
{
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
+ // Create the window, a bit towards the center of the screen
+ windowBounds.left = 100;
+ windowBounds.top = 100;
+ windowBounds.right = width + 100;
+ windowBounds.bottom = height + 100;
carbonError = CreateNewWindow(kDocumentWindowClass, kWindowStandardFloatingAttributes | kWindowStandardHandlerAttribute, &windowBounds, &window);
if (carbonError != noErr || window == NULL)
{
}
// Set the window title
- CFStringRef windowTitle = CFSTR("DarkPlaces AGL");
+ 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)
+ // Create the desired attribute list
+ VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen);
+
+ if (!fullscreen)
{
- Con_Printf("Unable to get GDevice for window\n");
- ReleaseWindow(window);
- return false;
+ // Output to Window
+ pixelFormat = qaglChoosePixelFormat(NULL, 0, attributes);
+ error = qaglGetError();
+ if (error != AGL_NO_ERROR)
+ {
+ Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
+ (char *)qaglErrorString(error));
+ ReleaseWindow(window);
+ return false;
+ }
+ }
+ else // Output is fullScreen
+ {
+ CGDirectDisplayID mainDisplay;
+ CFDictionaryRef refDisplayMode;
+ GDHandle gdhDisplay;
+
+ // Get the mainDisplay and set resolution to current
+ mainDisplay = CGMainDisplayID();
+ CGDisplayCapture(mainDisplay);
+
+ // TOCHECK: not sure whether or not it's necessary to change the resolution
+ // "by hand", or if aglSetFullscreen does the job anyway
+ refDisplayMode = CGDisplayBestModeForParametersAndRefreshRate(mainDisplay, bpp, width, height, refreshrate, NULL);
+ CGDisplaySwitchToMode(mainDisplay, refDisplayMode);
+ DMGetGDeviceByDisplayID((DisplayIDType)mainDisplay, &gdhDisplay, false);
+
+ // Set pixel format with built attribs
+ // Note: specifying a device is *required* for AGL_FullScreen
+ pixelFormat = qaglChoosePixelFormat(&gdhDisplay, 1, attributes);
+ error = qaglGetError();
+ if (error != AGL_NO_ERROR)
+ {
+ Con_Printf("qaglChoosePixelFormat FAILED: %s\n",
+ (char *)qaglErrorString(error));
+ ReleaseWindow(window);
+ return false;
+ }
}
- // Create and set pixel format
- VID_BuildAGLAttrib(attributes, bpp == 32, fullscreen);
- pixelFormat = qaglChoosePixelFormat(&screen, 1, attributes);
- if (pixelFormat == NULL)
+ // Create a context using the pform
+ context = qaglCreateContext(pixelFormat, NULL);
+ error = qaglGetError();
+ if (error != AGL_NO_ERROR)
{
- Con_Printf("Unable to create pixel format\n");
+ Con_Printf("qaglCreateContext FAILED: %s\n",
+ (char *)qaglErrorString(error));
+ }
+
+ // Make the context the current one ('enable' it)
+ qaglSetCurrentContext(context);
+ error = qaglGetError();
+ if (error != AGL_NO_ERROR)
+ {
+ Con_Printf("qaglSetCurrentContext FAILED: %s\n",
+ (char *)qaglErrorString(error));
ReleaseWindow(window);
return false;
}
- // Set context and show the window
- context = qaglCreateContext(pixelFormat, NULL);
+ // Discard pform
qaglDestroyPixelFormat(pixelFormat);
- if (context == NULL)
- Sys_Error ("aglCreateContext failed");
- if (!qaglSetDrawable(context, GetWindowPort(window)))
- Sys_Error ("aglSetDrawable failed");
- if (!qaglSetCurrentContext(context))
- Sys_Error ("aglSetCurrentContext failed");
+
+ // Attempt fullscreen if requested
+ if (fullscreen)
+ {
+ qaglSetFullScreen (context, width, height, refreshrate, 0);
+ error = qaglGetError();
+ if (error != AGL_NO_ERROR)
+ {
+ Con_Printf("qaglSetFullScreen FAILED: %s\n",
+ (char *)qaglErrorString(error));
+ return false;
+ }
+ }
+ else
+ {
+ // Set Window as Drawable
+ qaglSetDrawable(context, GetWindowPort(window));
+ error = qaglGetError();
+ if (error != AGL_NO_ERROR)
+ {
+ Con_Printf("qaglSetDrawable FAILED: %s\n",
+ (char *)qaglErrorString(error));
+ ReleaseWindow(window);
+ return false;
+ }
+ }
scr_width = width;
scr_height = height;
if ((qglGetString = (const GLubyte* (GLAPIENTRY *)(GLenum name))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");
- vid_isfullscreen = true;
- }
-
gl_renderer = (const char *)qglGetString(GL_RENDERER);
gl_vendor = (const char *)qglGetString(GL_VENDOR);
gl_version = (const char *)qglGetString(GL_VERSION);
gl_extensions = (const char *)qglGetString(GL_EXTENSIONS);
gl_platform = "AGL";
- gl_videosyncavailable = false;
+ gl_videosyncavailable = true;
+ vid_isfullscreen = fullscreen;
vid_usingmouse = false;
vid_hidden = false;
vid_activewindow = true;
+ sound_active = true;
GL_Init();
SelectWindow(window);
static void Handle_KeyMod(UInt32 keymod)
{
+ const struct keymod_to_event_s { UInt32 keybit; keynum_t event; } keymod_events [] =
+ {
+ { cmdKey, K_AUX1 },
+ { shiftKey, K_SHIFT },
+ { alphaLock, K_CAPSLOCK },
+ { optionKey, K_ALT },
+ { controlKey, K_CTRL },
+ { kEventKeyModifierNumLockMask, K_NUMLOCK },
+ { kEventKeyModifierFnMask, K_AUX2 }
+ };
static UInt32 prev_keymod = 0;
- UInt32 modChanges = prev_keymod ^ keymod;
+ unsigned int i;
+ UInt32 modChanges;
- 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)
+ modChanges = prev_keymod ^ keymod;
+ if (modChanges == 0)
+ return;
+
+ for (i = 0; i < sizeof(keymod_events) / sizeof(keymod_events[0]); i++)
{
- Key_Event(K_AUX2, '\0', (keymod & kEventKeyModifierFnMask) != 0);
+ UInt32 keybit = keymod_events[i].keybit;
+
+ if ((modChanges & keybit) != 0)
+ Key_Event(keymod_events[i].event, '\0', (keymod & keybit) != 0);
}
prev_keymod = keymod;
case kDeleteCharCode:
keycode = K_DEL;
break;
+ case 0:
case 191:
- // char 191 is sent by the mouse buttons (?!)
+ // characters 0 and 191 are 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)
+ else if (charcode >= 32)
{
keycode = charcode;
ascii = charcode;
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;
+ // Note: These two events are mutual exclusives
+ // Treat MouseDragged in the same statement, so we don't block MouseMoved while a mousebutton is held
case kEventMouseMoved:
+ case kEventMouseDragged:
{
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;
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);
break;
}
- case kEventMouseDragged:
- //Con_Printf(">> kEventMouseDragged <<\n");
- break;
-
default:
Con_Printf (">> kEventClassMouse (UNKNOWN eventKind: %d) <<\n", eventKind);
break;
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:
switch (eventKind)
{
case kEventAppActivated :
- //Con_Printf(">> kEventAppActivated <<\n");
- vid_activewindow = true;
+ VID_AppFocusChanged(true);
break;
case kEventAppDeactivated:
- //Con_Printf(">> kEventAppDeactivated <<\n");
- vid_activewindow = false;
- VID_RestoreSystemGamma();
+ VID_AppFocusChanged(false);
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);
switch (eventKind)
{
case kEventAppleEvent :
- //Con_Printf(">> kEventAppleEvent <<\n");
break;
default:
Con_Printf(">> kEventClassAppleEvent (UNKNOWN eventKind: %d) <<\n", eventKind);
switch (eventKind)
{
case kEventWindowUpdate :
- //Con_Printf(">> kEventWindowUpdate <<\n");
break;
default:
Con_Printf(">> kEventClassWindow (UNKNOWN eventKind: %d) <<\n", eventKind);
break;
case kEventClassControl:
- //Con_Printf(">> kEventClassControl (%d) <<\n", eventKind);
break;
default: