SDL_QuartzVideo.m
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/*
SDL - Simple DirectMedia Layer
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Copyright (C) 1997-2012 Sam Lantinga
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This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Sam Lantinga
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slouken@libsdl.org
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#include "SDL_config.h"
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#include "SDL_QuartzVideo.h"
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#include "SDL_QuartzWindow.h"
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/* These APIs aren't just deprecated; they're gone from the headers in the
10.7 SDK. If we're using a >= 10.7 SDK, but targeting < 10.7, then we
force these function declarations. */
#if ((MAC_OS_X_VERSION_MIN_REQUIRED < 1070) && (MAC_OS_X_VERSION_MAX_ALLOWED >= 1070))
CG_EXTERN void *CGDisplayBaseAddress(CGDirectDisplayID display)
CG_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_6,
__IPHONE_NA, __IPHONE_NA);
CG_EXTERN size_t CGDisplayBytesPerRow(CGDirectDisplayID display)
CG_AVAILABLE_BUT_DEPRECATED(__MAC_10_0, __MAC_10_6,
__IPHONE_NA, __IPHONE_NA);
#endif
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#if (MAC_OS_X_VERSION_MAX_ALLOWED < 1060) /* Fixed in Snow Leopard */
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Add methods to get at private members of NSScreen.
Since there is a bug in Apple's screen switching code
that does not update this variable when switching
to fullscreen, we'll set it manually (but only for the
main screen).
*/
@interface NSScreen (NSScreenAccess)
- (void) setFrame:(NSRect)frame;
@end
@implementation NSScreen (NSScreenAccess)
- (void) setFrame:(NSRect)frame;
{
_frame = frame;
}
@end
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static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame)
{
[nsscreen setFrame:frame];
}
#else
static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame)
{
}
#endif
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@interface SDLTranslatorResponder : NSTextView
{
}
- (void) doCommandBySelector:(SEL)myselector;
@end
@implementation SDLTranslatorResponder
- (void) doCommandBySelector:(SEL) myselector {}
@end
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/* absent in 10.3.9. */
CG_EXTERN CGImageRef CGBitmapContextCreateImage (CGContextRef);
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/* Bootstrap functions */
static int QZ_Available ();
static SDL_VideoDevice* QZ_CreateDevice (int device_index);
static void QZ_DeleteDevice (SDL_VideoDevice *device);
/* Initialization, Query, Setup, and Redrawing functions */
static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format);
static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format,
Uint32 flags);
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static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop, BOOL save_gl);
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static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current,
int width, int height, int bpp,
Uint32 flags);
static int QZ_ToggleFullScreen (_THIS, int on);
static int QZ_SetColors (_THIS, int first_color,
int num_colors, SDL_Color *colors);
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
static int QZ_LockDoubleBuffer (_THIS, SDL_Surface *surface);
static void QZ_UnlockDoubleBuffer (_THIS, SDL_Surface *surface);
static int QZ_ThreadFlip (_THIS);
static int QZ_FlipDoubleBuffer (_THIS, SDL_Surface *surface);
static void QZ_DoubleBufferUpdate (_THIS, int num_rects, SDL_Rect *rects);
static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects);
#endif
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static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects);
static void QZ_VideoQuit (_THIS);
static int QZ_LockHWSurface(_THIS, SDL_Surface *surface);
static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface);
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static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface);
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static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface);
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/* Bootstrap binding, enables entry point into the driver */
VideoBootStrap QZ_bootstrap = {
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"Quartz", "Mac OS X CoreGraphics", QZ_Available, QZ_CreateDevice
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/* Disable compiler warnings we can't avoid. */
#if (defined(__GNUC__) && (__GNUC__ >= 4))
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# if (MAC_OS_X_VERSION_MAX_ALLOWED <= 1070)
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
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# endif
#endif
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static inline BOOL IS_LION_OR_LATER(_THIS)
{
return (system_version >= 0x1070);
}
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static inline BOOL IS_SNOW_LEOPARD_OR_LATER(_THIS)
{
return (system_version >= 0x1060);
}
static void QZ_ReleaseDisplayMode(_THIS, const void *moderef)
{
/* we only own these references in the 10.6+ API. */
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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CGDisplayModeRelease((CGDisplayModeRef) moderef);
}
#endif
}
static void QZ_ReleaseDisplayModeList(_THIS, CFArrayRef mode_list)
{
/* we only own these references in the 10.6+ API. */
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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CFRelease(mode_list);
}
#endif
}
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/* Bootstrap functions */
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static int QZ_Available ()
{
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return 1;
}
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static SDL_VideoDevice* QZ_CreateDevice (int device_index)
{
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#pragma unused (device_index)
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SDL_VideoDevice *device;
SDL_PrivateVideoData *hidden;
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device = (SDL_VideoDevice*) SDL_malloc (sizeof (*device) );
hidden = (SDL_PrivateVideoData*) SDL_malloc (sizeof (*hidden) );
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if (device == NULL || hidden == NULL)
SDL_OutOfMemory ();
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SDL_memset (device, 0, sizeof (*device) );
SDL_memset (hidden, 0, sizeof (*hidden) );
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device->hidden = hidden;
device->VideoInit = QZ_VideoInit;
device->ListModes = QZ_ListModes;
device->SetVideoMode = QZ_SetVideoMode;
device->ToggleFullScreen = QZ_ToggleFullScreen;
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device->UpdateMouse = QZ_UpdateMouse;
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device->SetColors = QZ_SetColors;
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/* device->UpdateRects = QZ_UpdateRects; this is determined by SetVideoMode() */
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device->VideoQuit = QZ_VideoQuit;
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device->LockHWSurface = QZ_LockHWSurface;
device->UnlockHWSurface = QZ_UnlockHWSurface;
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device->AllocHWSurface = QZ_AllocHWSurface;
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device->FreeHWSurface = QZ_FreeHWSurface;
device->SetGamma = QZ_SetGamma;
device->GetGamma = QZ_GetGamma;
device->SetGammaRamp = QZ_SetGammaRamp;
device->GetGammaRamp = QZ_GetGammaRamp;
device->GL_GetProcAddress = QZ_GL_GetProcAddress;
device->GL_GetAttribute = QZ_GL_GetAttribute;
device->GL_MakeCurrent = QZ_GL_MakeCurrent;
device->GL_SwapBuffers = QZ_GL_SwapBuffers;
device->GL_LoadLibrary = QZ_GL_LoadLibrary;
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device->FreeWMCursor = QZ_FreeWMCursor;
device->CreateWMCursor = QZ_CreateWMCursor;
device->ShowWMCursor = QZ_ShowWMCursor;
device->WarpWMCursor = QZ_WarpWMCursor;
device->MoveWMCursor = QZ_MoveWMCursor;
device->CheckMouseMode = QZ_CheckMouseMode;
device->InitOSKeymap = QZ_InitOSKeymap;
device->PumpEvents = QZ_PumpEvents;
device->SetCaption = QZ_SetCaption;
device->SetIcon = QZ_SetIcon;
device->IconifyWindow = QZ_IconifyWindow;
/*device->GetWMInfo = QZ_GetWMInfo;*/
device->GrabInput = QZ_GrabInput;
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/*
* This is a big hassle, needing QuickDraw and QuickTime on older
* systems, and god knows what on 10.6, so we immediately fail here,
* which causes SDL to make an RGB surface and manage the YUV overlay
* in software. Sorry. Use SDL 1.3 if you want YUV rendering in a pixel
* shader. :)
*/
/*device->CreateYUVOverlay = QZ_CreateYUVOverlay;*/
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device->free = QZ_DeleteDevice;
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return device;
}
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static void QZ_DeleteDevice (SDL_VideoDevice *device)
{
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_THIS = device;
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QZ_ReleaseDisplayMode(this, save_mode);
QZ_ReleaseDisplayMode(this, mode);
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SDL_free (device->hidden);
SDL_free (device);
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static void QZ_GetModeInfo(_THIS, const void *_mode, Uint32 *w, Uint32 *h, Uint32 *bpp)
{
*w = *h = *bpp = 0;
if (_mode == NULL) {
return;
}
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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CGDisplayModeRef vidmode = (CGDisplayModeRef) _mode;
CFStringRef fmt = CGDisplayModeCopyPixelEncoding(vidmode);
*w = (Uint32) CGDisplayModeGetWidth(vidmode);
*h = (Uint32) CGDisplayModeGetHeight(vidmode);
/* we only care about the 32-bit modes... */
if (CFStringCompare(fmt, CFSTR(IO32BitDirectPixels),
kCFCompareCaseInsensitive) == kCFCompareEqualTo) {
*bpp = 32;
}
CFRelease(fmt);
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
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if (!use_new_mode_apis) {
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CFDictionaryRef vidmode = (CFDictionaryRef) _mode;
CFNumberGetValue (
CFDictionaryGetValue (vidmode, kCGDisplayBitsPerPixel),
kCFNumberSInt32Type, bpp);
CFNumberGetValue (
CFDictionaryGetValue (vidmode, kCGDisplayWidth),
kCFNumberSInt32Type, w);
CFNumberGetValue (
CFDictionaryGetValue (vidmode, kCGDisplayHeight),
kCFNumberSInt32Type, h);
}
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/* we only care about the 32-bit modes... */
if (*bpp != 32) {
*bpp = 0;
}
}
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static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format)
{
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NSRect r = NSMakeRect(0.0, 0.0, 0.0, 0.0);
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const char *env = NULL;
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if ( Gestalt(gestaltSystemVersion, &system_version) != noErr )
system_version = 0;
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use_new_mode_apis = NO;
#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
use_new_mode_apis = IS_SNOW_LEOPARD_OR_LATER(this);
#endif
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/* Initialize the video settings; this data persists between mode switches */
display_id = kCGDirectMainDisplay;
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#if 0 /* The mouse event code needs to take this into account... */
env = getenv("SDL_VIDEO_FULLSCREEN_DISPLAY");
if ( env ) {
int monitor = SDL_atoi(env);
CGDirectDisplayID activeDspys [3];
CGDisplayCount dspyCnt;
CGGetActiveDisplayList (3, activeDspys, &dspyCnt);
if ( monitor >= 0 && monitor < dspyCnt ) {
display_id = activeDspys[monitor];
}
}
#endif
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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save_mode = CGDisplayCopyDisplayMode(display_id);
}
#endif
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
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if (!use_new_mode_apis) {
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save_mode = CGDisplayCurrentMode(display_id);
}
#endif
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
if (!IS_LION_OR_LATER(this)) {
palette = CGPaletteCreateDefaultColorPalette();
}
#endif
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if (save_mode == NULL) {
SDL_SetError("Couldn't figure out current display mode.");
return -1;
}
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/* Allow environment override of screensaver disable. */
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env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER");
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if ( env ) {
allow_screensaver = SDL_atoi(env);
} else {
#ifdef SDL_VIDEO_DISABLE_SCREENSAVER
allow_screensaver = 0;
#else
allow_screensaver = 1;
#endif
}
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/* Gather some information that is useful to know about the display */
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QZ_GetModeInfo(this, save_mode, &device_width, &device_height, &device_bpp);
if (device_bpp == 0) {
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QZ_ReleaseDisplayMode(this, save_mode);
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save_mode = NULL;
SDL_SetError("Unsupported display mode");
return -1;
}
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/* Determine the current screen size */
this->info.current_w = device_width;
this->info.current_h = device_height;
/* Determine the default screen depth */
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video_format->BitsPerPixel = device_bpp;
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/* Set misc globals */
current_grab_mode = SDL_GRAB_OFF;
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cursor_should_be_visible = YES;
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cursor_visible = YES;
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current_mods = 0;
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field_edit = [[SDLTranslatorResponder alloc] initWithFrame:r];
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/* register for sleep notifications so wake from sleep generates SDL_VIDEOEXPOSE */
QZ_RegisterForSleepNotifications (this);
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/* Fill in some window manager capabilities */
this->info.wm_available = 1;
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return 0;
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static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags)
{
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CFArrayRef mode_list = NULL; /* list of available fullscreen modes */
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CFIndex num_modes;
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CFIndex i;
int list_size = 0;
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/* Any windowed mode is acceptable */
if ( (flags & SDL_FULLSCREEN) == 0 )
return (SDL_Rect**)-1;
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/* Free memory from previous call, if any */
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if ( client_mode_list != NULL ) {
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int i;
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for (i = 0; client_mode_list[i] != NULL; i++)
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SDL_free (client_mode_list[i]);
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SDL_free (client_mode_list);
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client_mode_list = NULL;
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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mode_list = CGDisplayCopyAllDisplayModes(display_id, NULL);
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
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if (!use_new_mode_apis) {
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mode_list = CGDisplayAvailableModes(display_id);
}
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num_modes = CFArrayGetCount (mode_list);
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/* Build list of modes with the requested bpp */
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for (i = 0; i < num_modes; i++) {
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Uint32 width, height, bpp;
const void *onemode = CFArrayGetValueAtIndex(mode_list, i);
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QZ_GetModeInfo(this, onemode, &width, &height, &bpp);
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if (bpp && (bpp == format->BitsPerPixel)) {
int hasMode = SDL_FALSE;
int i;
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/* Check if mode is already in the list */
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for (i = 0; i < list_size; i++) {
if (client_mode_list[i]->w == width &&
client_mode_list[i]->h == height) {
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hasMode = SDL_TRUE;
break;
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/* Grow the list and add mode to the list */
if ( ! hasMode ) {
SDL_Rect *rect;
list_size++;
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if (client_mode_list == NULL)
client_mode_list = (SDL_Rect**)
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SDL_malloc (sizeof(*client_mode_list) * (list_size+1) );
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else {
/* !!! FIXME: this leaks memory if SDL_realloc() fails! */
client_mode_list = (SDL_Rect**)
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SDL_realloc (client_mode_list, sizeof(*client_mode_list) * (list_size+1));
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rect = (SDL_Rect*) SDL_malloc (sizeof(**client_mode_list));
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if (client_mode_list == NULL || rect == NULL) {
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QZ_ReleaseDisplayModeList(this, mode_list);
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SDL_OutOfMemory ();
return NULL;
}
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rect->x = rect->y = 0;
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rect->w = width;
rect->h = height;
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client_mode_list[list_size-1] = rect;
client_mode_list[list_size] = NULL;
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QZ_ReleaseDisplayModeList(this, mode_list);
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/* Sort list largest to smallest (by area) */
{
int i, j;
for (i = 0; i < list_size; i++) {
for (j = 0; j < list_size-1; j++) {
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int area1, area2;
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area1 = client_mode_list[j]->w * client_mode_list[j]->h;
area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h;
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if (area1 < area2) {
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SDL_Rect *tmp = client_mode_list[j];
client_mode_list[j] = client_mode_list[j+1];
client_mode_list[j+1] = tmp;
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}
}
}
}
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return client_mode_list;
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static SDL_bool QZ_WindowPosition(_THIS, int *x, int *y)
{
const char *window = getenv("SDL_VIDEO_WINDOW_POS");
if ( window ) {
if ( sscanf(window, "%d,%d", x, y) == 2 ) {
return SDL_TRUE;
}
}
return SDL_FALSE;
}
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static CGError QZ_SetDisplayMode(_THIS, const void *vidmode)
{
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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return CGDisplaySetDisplayMode(display_id, (CGDisplayModeRef) vidmode, NULL);
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
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if (!use_new_mode_apis) {
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return CGDisplaySwitchToMode(display_id, (CFDictionaryRef) vidmode);
}
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return kCGErrorFailure;
}
static inline CGError QZ_RestoreDisplayMode(_THIS)
{
return QZ_SetDisplayMode(this, save_mode);
}
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static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop, BOOL save_gl)
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/* Reset values that may change between switches */
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this->info.blit_fill = 0;
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this->FillHWRect = NULL;
this->UpdateRects = NULL;
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
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if (cg_context) {
CGContextFlush (cg_context);
CGContextRelease (cg_context);
cg_context = nil;
}
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/* Release fullscreen resources */
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if ( mode_flags & SDL_FULLSCREEN ) {
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NSRect screen_rect;
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/* Release double buffer stuff */
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
if ( !IS_LION_OR_LATER(this) && (mode_flags & SDL_DOUBLEBUF) ) {
quit_thread = YES;
SDL_SemPost (sem1);
SDL_WaitThread (thread, NULL);
SDL_DestroySemaphore (sem1);
SDL_DestroySemaphore (sem2);
SDL_free (sw_buffers[0]);
}
#endif
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NSCAssert([ qz_window delegate ] == nil, @"full screen window shouldn't have a delegate"); /* if that should ever change, we'd have to release it here */
[ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */
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/*
Release the OpenGL context
Do this first to avoid trash on the display before fade
*/
if ( mode_flags & SDL_OPENGL ) {
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if (!save_gl) {
QZ_TearDownOpenGL (this);
}
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#ifdef __powerpc__ /* we only use this for pre-10.3 compatibility. */
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CGLSetFullScreen (NULL);
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if (to_desktop) {
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/* !!! FIXME: keep an eye on this.
* This API is officially unavailable for 64-bit binaries.
* It happens to work, as of 10.7, but we're going to see if
* we can just simply do without it on newer OSes...
*/
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070) && !defined(__LP64__)
if ( !IS_LION_OR_LATER(this) ) {
ShowMenuBar ();
}
#endif
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/* Restore original screen resolution/bpp */
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QZ_RestoreDisplayMode (this);
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CGReleaseAllDisplays ();
/*
Reset the main screen's rectangle
See comment in QZ_SetVideoFullscreen for why we do this
*/
screen_rect = NSMakeRect(0,0,device_width,device_height);
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QZ_SetFrame([ NSScreen mainScreen ], screen_rect);
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/* Release window mode resources */
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else {
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id delegate = [ qz_window delegate ];
[ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */
if (delegate != nil) [ delegate release ];
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qz_window = nil;
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window_view = nil;
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/* Release the OpenGL context */
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if ( mode_flags & SDL_OPENGL ) {
if (!save_gl) {
QZ_TearDownOpenGL (this);
}
}
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/* Signal successful teardown */
video_set = SDL_FALSE;
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static const void *QZ_BestMode(_THIS, const int bpp, const int w, const int h)
{
const void *best = NULL;
if (bpp == 0) {
return NULL;
}
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= 1060)
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if (use_new_mode_apis) {
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/* apparently, we have to roll our own now. :/ */
CFArrayRef mode_list = CGDisplayCopyAllDisplayModes(display_id, NULL);
if (mode_list != NULL) {
const CFIndex num_modes = CFArrayGetCount(mode_list);
CFIndex i;
for (i = 0; i < num_modes; i++) {
const void *vidmode = CFArrayGetValueAtIndex(mode_list, i);
Uint32 thisw, thish, thisbpp;
QZ_GetModeInfo(this, vidmode, &thisw, &thish, &thisbpp);
/* We only care about exact matches, apparently. */
if ((thisbpp == bpp) && (thisw == w) && (thish == h)) {
best = vidmode;
break; /* got it! */
}
}
CGDisplayModeRetain((CGDisplayModeRef) best); /* NULL is ok */
CFRelease(mode_list);
}
665
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1060)
666
if (!use_new_mode_apis) {
667
668
669
670
671
672
boolean_t exact = 0;
best = CGDisplayBestModeForParameters(display_id, bpp, w, h, &exact);
if (!exact) {
best = NULL;
}
}
673
674
#endif
675
676
677
return best;
}
678
static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width,
679
680
int height, int bpp, Uint32 flags,
const BOOL save_gl)
682
const BOOL isLion = IS_LION_OR_LATER(this);
683
NSRect screen_rect;
684
CGError error;
686
CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken;
688
689
690
691
current->flags = SDL_FULLSCREEN;
current->w = width;
current->h = height;
692
693
contentRect = NSMakeRect (0, 0, width, height);
694
695
696
697
698
/* Fade to black to hide resolution-switching flicker (and garbage
that is displayed by a destroyed OpenGL context, if applicable) */
if ( CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess ) {
CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE);
}
700
701
/* Destroy any previous mode */
if (video_set == SDL_TRUE)
702
QZ_UnsetVideoMode (this, FALSE, save_gl);
704
705
706
707
708
709
/* Sorry, QuickDraw was ripped out. */
if (getenv("SDL_NSWindowPointer") || getenv("SDL_NSQuickDrawViewPointer")) {
SDL_SetError ("Embedded QuickDraw windows are no longer supported");
goto ERR_NO_MATCH;
}
710
QZ_ReleaseDisplayMode(this, mode); /* NULL is okay. */
712
/* See if requested mode exists */
713
mode = QZ_BestMode(this, bpp, width, height);
715
/* Require an exact match to the requested mode */
716
if ( mode == NULL ) {
717
SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp);
718
719
goto ERR_NO_MATCH;
}
721
/* Put up the blanking window (a window above all other windows) */
722
723
724
725
726
727
if (getenv ("SDL_SINGLEDISPLAY"))
error = CGDisplayCapture (display_id);
else
error = CGCaptureAllDisplays ();
if ( CGDisplayNoErr != error ) {
728
729
730
SDL_SetError ("Failed capturing display");
goto ERR_NO_CAPTURE;
}
732
/* Do the physical switch */
733
if ( CGDisplayNoErr != QZ_SetDisplayMode(this, mode) ) {
734
735
736
SDL_SetError ("Failed switching display resolution");
goto ERR_NO_SWITCH;
}
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
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777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
if ( !isLion ) {
current->pixels = (Uint32*) CGDisplayBaseAddress (display_id);
current->pitch = CGDisplayBytesPerRow (display_id);
current->flags |= SDL_HWSURFACE;
current->flags |= SDL_PREALLOC;
/* current->hwdata = (void *) CGDisplayGetDrawingContext (display_id); */
this->UpdateRects = QZ_DirectUpdate;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
/* Setup double-buffer emulation */
if ( flags & SDL_DOUBLEBUF ) {
/*
Setup a software backing store for reasonable results when
double buffering is requested (since a single-buffered hardware
surface looks hideous).
The actual screen blit occurs in a separate thread to allow
other blitting while waiting on the VBL (and hence results in higher framerates).
*/
this->LockHWSurface = NULL;
this->UnlockHWSurface = NULL;
this->UpdateRects = NULL;
current->flags |= (SDL_HWSURFACE|SDL_DOUBLEBUF);
this->UpdateRects = QZ_DoubleBufferUpdate;
this->LockHWSurface = QZ_LockDoubleBuffer;
this->UnlockHWSurface = QZ_UnlockDoubleBuffer;
this->FlipHWSurface = QZ_FlipDoubleBuffer;
current->pixels = SDL_malloc (current->pitch * current->h * 2);
if (current->pixels == NULL) {
SDL_OutOfMemory ();
goto ERR_DOUBLEBUF;
}
sw_buffers[0] = current->pixels;
sw_buffers[1] = (Uint8*)current->pixels + current->pitch * current->h;
quit_thread = NO;
sem1 = SDL_CreateSemaphore (0);
sem2 = SDL_CreateSemaphore (1);
thread = SDL_CreateThread ((int (*)(void *))QZ_ThreadFlip, this);
}
if ( CGDisplayCanSetPalette (display_id) )
current->flags |= SDL_HWPALETTE;
}
#endif
792
793
794
795
796
/* Check if we should recreate the window */
if (qz_window == nil) {
/* Manually create a window, avoids having a nib file resource */
qz_window = [ [ SDL_QuartzWindow alloc ]
initWithContentRect:contentRect
797
styleMask:(isLion ? NSBorderlessWindowMask : 0)
798
799
800
801
802
803
backing:NSBackingStoreBuffered
defer:NO ];
if (qz_window != nil) {
[ qz_window setAcceptsMouseMovedEvents:YES ];
[ qz_window setViewsNeedDisplay:NO ];
804
805
806
if (isLion) {
[ qz_window setContentView: [ [ [ SDL_QuartzView alloc ] init ] autorelease ] ];
}
811
812
813
[ qz_window setContentSize:contentRect.size ];
current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags;
[ window_view setFrameSize:contentRect.size ];
816
817
818
/* Setup OpenGL for a fullscreen context */
if (flags & SDL_OPENGL) {
819
820
821
822
if ( ! save_gl ) {
if ( ! QZ_SetupOpenGL (this, bpp, flags) ) {
goto ERR_NO_GL;
}
825
826
827
828
/* Initialize the NSView and add it to our window. The presence of a valid window and
view allow the cursor to be changed whilst in fullscreen.*/
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
829
830
831
832
833
if ( isLion ) {
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
}
[ [ qz_window contentView ] addSubview:window_view ];
835
836
/* Apparently Lion checks some version flag set by the linker
and changes API behavior. Annoying. */
837
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070)
838
839
840
841
842
843
844
{
CGLError err;
CGLContextObj ctx;
[ qz_window setLevel:NSNormalWindowLevel ];
ctx = QZ_GetCGLContextObj (gl_context);
err = CGLSetFullScreen (ctx);
846
847
848
849
if (err) {
SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err));
goto ERR_NO_GL;
}
851
852
853
854
855
#else
[ qz_window setLevel:CGShieldingWindowLevel() ];
[ gl_context setView: window_view ];
[ gl_context setFullScreen ];
[ gl_context update ];
856
857
858
#endif
[ window_view release ];
859
[ gl_context makeCurrentContext];
860
861
862
863
glClear (GL_COLOR_BUFFER_BIT);
[ gl_context flushBuffer ];
865
current->flags |= SDL_OPENGL;
866
} else if (isLion) { /* For 2D, we build a CGBitmapContext */
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
CGColorSpaceRef cgColorspace;
/* Only recreate the view if it doesn't already exist */
if (window_view == nil) {
window_view = [ [ NSView alloc ] initWithFrame:contentRect ];
[ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ];
[ [ qz_window contentView ] addSubview:window_view ];
[ window_view release ];
}
cgColorspace = CGColorSpaceCreateDeviceRGB();
current->pitch = 4 * current->w;
current->pixels = SDL_malloc (current->h * current->pitch);
cg_context = CGBitmapContextCreate (current->pixels, current->w, current->h,
8, current->pitch, cgColorspace,
kCGImageAlphaNoneSkipFirst);
CGColorSpaceRelease (cgColorspace);
current->flags |= SDL_SWSURFACE;
current->flags |= SDL_ASYNCBLIT;
current->hwdata = (void *) cg_context;
/* Force this window to draw above _everything_. */
[ qz_window setLevel:CGShieldingWindowLevel() ];
892
893
894
895
this->UpdateRects = QZ_UpdateRects;
this->LockHWSurface = QZ_LockHWSurface;
this->UnlockHWSurface = QZ_UnlockHWSurface;
898
899
900
901
902
if (isLion) {
[ qz_window setHasShadow:NO];
[ qz_window setOpaque:YES];
[ qz_window makeKeyAndOrderFront:nil ];
}
904
905
906
907
908
909
910
911
912
913
914
/* !!! FIXME: keep an eye on this.
* This API is officially unavailable for 64-bit binaries.
* It happens to work, as of 10.7, but we're going to see if
* we can just simply do without it on newer OSes...
*/
#if (MAC_OS_X_VERSION_MIN_REQUIRED < 1070) && !defined(__LP64__)
if ( !IS_LION_OR_LATER(this) ) {
/* If we don't hide menu bar, it will get events and interrupt the program */
HideMenuBar ();
}
#endif
916
917
918
919
920
/* Fade in again (asynchronously) */
if ( fade_token != kCGDisplayFadeReservationInvalidToken ) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation(fade_token);
}
923
924
925
926
927
There is a bug in Cocoa where NSScreen doesn't synchronize
with CGDirectDisplay, so the main screen's frame is wrong.
As a result, coordinate translation produces incorrect results.
We can hack around this bug by setting the screen rect
ourselves. This hack should be removed if/when the bug is fixed.
928
929
*/
screen_rect = NSMakeRect(0,0,width,height);
930
QZ_SetFrame([ NSScreen mainScreen ], screen_rect);
932
933
/* Save the flags to ensure correct tear-down */
mode_flags = current->flags;
938
939
return current;
940
/* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */
941
ERR_NO_GL: goto ERR_DOUBLEBUF; /* this goto is to stop a compiler warning on newer SDKs. */
942
ERR_DOUBLEBUF: QZ_RestoreDisplayMode(this);
943
ERR_NO_SWITCH: CGReleaseAllDisplays ();
944
945
946
947
948
949
ERR_NO_CAPTURE:
ERR_NO_MATCH: if ( fade_token != kCGDisplayFadeReservationInvalidToken ) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
}
return NULL;
950
951
952
}
static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width,
953
954
int height, int *bpp, Uint32 flags,
const BOOL save_gl)
956
unsigned int style;
957
NSRect contentRect;
958
959
int center_window = 1;
int origin_x, origin_y;
960
CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken;
962
963
current->flags = 0;
current->w = width;
964
current->h = height;
965
966
contentRect = NSMakeRect (0, 0, width, height);
968
969
970
971
972
973
974
/*
Check if we should completely destroy the previous mode
- If it is fullscreen
- If it has different noframe or resizable attribute
- If it is OpenGL (since gl attributes could be different)
- If new mode is OpenGL, but previous mode wasn't
*/
975
976
977
978
979
980
981
if (video_set == SDL_TRUE) {
if (mode_flags & SDL_FULLSCREEN) {
/* Fade to black to hide resolution-switching flicker (and garbage
that is displayed by a destroyed OpenGL context, if applicable) */
if (CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess) {
CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE);
}
982
QZ_UnsetVideoMode (this, TRUE, save_gl);
983
984
985
986
}
else if ( ((mode_flags ^ flags) & (SDL_NOFRAME|SDL_RESIZABLE)) ||
(mode_flags & SDL_OPENGL) ||
(flags & SDL_OPENGL) ) {
987
QZ_UnsetVideoMode (this, TRUE, save_gl);
991
992
993
994
995
996
/* Sorry, QuickDraw was ripped out. */
if (getenv("SDL_NSWindowPointer") || getenv("SDL_NSQuickDrawViewPointer")) {
SDL_SetError ("Embedded QuickDraw windows are no longer supported");
if (fade_token != kCGDisplayFadeReservationInvalidToken) {
CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE);
CGReleaseDisplayFadeReservation (fade_token);
998
return NULL;