X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2FCommon%2Ffreeglut_init.c;h=d8e87e05d8955e30c4ed96889aa89dbe461b1475;hb=c5b343fbd61bdd4946f2e076e9f37223975a66ee;hp=443de0bb4b615ac05b6b5276da2d0b4a239b4cca;hpb=18d6896264e11c98c3dcd625c20138f8f59e3055;p=freeglut diff --git a/src/Common/freeglut_init.c b/src/Common/freeglut_init.c index 443de0b..d8e87e0 100644 --- a/src/Common/freeglut_init.c +++ b/src/Common/freeglut_init.c @@ -29,10 +29,6 @@ #include #include "freeglut_internal.h" -#if TARGET_HOST_POSIX_X11 -#include /* LONG_MAX */ -#endif - /* * TODO BEFORE THE STABLE RELEASE: * @@ -100,227 +96,114 @@ SFG_State fgState = { { -1, -1, GL_FALSE }, /* Position */ /* -- PRIVATE FUNCTIONS ---------------------------------------------------- */ -extern void fghInitialize( const char* displayName ); -extern void fghDeinitialiseInputDevices ( void ); -extern void fghCloseDisplay ( void ); +extern void fgPlatformInitialize( const char* displayName ); +extern void fgPlatformDeinitialiseInputDevices ( void ); +extern void fgPlatformCloseDisplay ( void ); +extern void fgPlatformDestroyContext ( SFG_PlatformDisplay pDisplay, SFG_WindowContextType MContext ); -#if TARGET_HOST_POSIX_X11 -/* Return the atom associated with "name". */ -static Atom fghGetAtom(const char * name) +void fghParseCommandLineArguments ( int* pargc, char** argv, char **pDisplayName, char **pGeometry ) { - return XInternAtom(fgDisplay.Display, name, False); -} +#ifndef _WIN32_WCE + int i, j, argc = *pargc; -/* - * Check if "property" is set on "window". The property's values are returned - * through "data". If the property is set and is of type "type", return the - * number of elements in "data". Return zero otherwise. In both cases, use - * "Xfree()" to free "data". - */ -static int fghGetWindowProperty(Window window, - Atom property, - Atom type, - unsigned char ** data) -{ - /* - * Caller always has to use "Xfree()" to free "data", since - * "XGetWindowProperty() always allocates one extra byte in prop_return - * [i.e. "data"] (even if the property is zero length) [..]". - */ - - int status; /* Returned by "XGetWindowProperty". */ - - Atom type_returned; - int temp_format; /* Not used. */ - unsigned long number_of_elements; - unsigned long temp_bytes_after; /* Not used. */ - - - status = XGetWindowProperty(fgDisplay.Display, - window, - property, - 0, - LONG_MAX, - False, - type, - &type_returned, - &temp_format, - &number_of_elements, - &temp_bytes_after, - data); - - FREEGLUT_INTERNAL_ERROR_EXIT(status == Success, - "XGetWindowProperty failled", - "fghGetWindowProperty"); - - if (type_returned != type) { - number_of_elements = 0; - } - - return number_of_elements; -} - -/* Check if the window manager is NET WM compliant. */ -static int fghNetWMSupported(void) -{ - Atom wm_check; - Window ** window_ptr_1; - - int number_of_windows; - int net_wm_supported; + /* check if GLUT_FPS env var is set */ + const char *fps = getenv( "GLUT_FPS" ); + if( fps ) + { + int interval; + sscanf( fps, "%d", &interval ); - net_wm_supported = 0; + if( interval <= 0 ) + fgState.FPSInterval = 5000; /* 5000 millisecond default */ + else + fgState.FPSInterval = interval; + } + } - wm_check = fghGetAtom("_NET_SUPPORTING_WM_CHECK"); - window_ptr_1 = malloc(sizeof(Window *)); + *pDisplayName = getenv( "DISPLAY" ); - /* - * Check that the window manager has set this property on the root window. - * The property must be the ID of a child window. - */ - number_of_windows = fghGetWindowProperty(fgDisplay.RootWindow, - wm_check, - XA_WINDOW, - (unsigned char **) window_ptr_1); - if (number_of_windows == 1) + for( i = 1; i < argc; i++ ) { - Window ** window_ptr_2; - - window_ptr_2 = malloc(sizeof(Window *)); - - /* Check that the window has the same property set to the same value. */ - number_of_windows = fghGetWindowProperty(**window_ptr_1, - wm_check, - XA_WINDOW, - (unsigned char **) window_ptr_2); - if ((number_of_windows == 1) && (**window_ptr_1 == **window_ptr_2)) - { - /* NET WM compliant */ - net_wm_supported = 1; - } - - XFree(*window_ptr_2); - free(window_ptr_2); - } + if( strcmp( argv[ i ], "-display" ) == 0 ) + { + if( ++i >= argc ) + fgError( "-display parameter must be followed by display name" ); - XFree(*window_ptr_1); - free(window_ptr_1); + *pDisplayName = argv[ i ]; - return net_wm_supported; -} + argv[ i - 1 ] = NULL; + argv[ i ] = NULL; + ( *pargc ) -= 2; + } + else if( strcmp( argv[ i ], "-geometry" ) == 0 ) + { + if( ++i >= argc ) + fgError( "-geometry parameter must be followed by window " + "geometry settings" ); -/* Check if "hint" is present in "property" for "window". */ -int fgHintPresent(Window window, Atom property, Atom hint) -{ - Atom *atoms; - int number_of_atoms; - int supported; - int i; - - supported = 0; - - number_of_atoms = fghGetWindowProperty(window, - property, - XA_ATOM, - (unsigned char **) &atoms); - for (i = 0; i < number_of_atoms; i++) - { - if (atoms[i] == hint) - { - supported = 1; - break; - } - } - - XFree(atoms); - return supported; -} + *pGeometry = argv[ i ]; -#endif /* TARGET_HOST_POSIX_X11 */ + argv[ i - 1 ] = NULL; + argv[ i ] = NULL; + ( *pargc ) -= 2; + } + else if( strcmp( argv[ i ], "-direct" ) == 0) + { + if( fgState.DirectContext == GLUT_FORCE_INDIRECT_CONTEXT ) + fgError( "parameters ambiguity, -direct and -indirect " + "cannot be both specified" ); + fgState.DirectContext = GLUT_FORCE_DIRECT_CONTEXT; + argv[ i ] = NULL; + ( *pargc )--; + } + else if( strcmp( argv[ i ], "-indirect" ) == 0 ) + { + if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT ) + fgError( "parameters ambiguity, -direct and -indirect " + "cannot be both specified" ); -#if TARGET_HOST_POSIX_X11 -/* - * A call to this function should initialize all the display stuff... - */ -static void fghInitialize( const char* displayName ) -{ - fgDisplay.Display = XOpenDisplay( displayName ); - - if( fgDisplay.Display == NULL ) - fgError( "failed to open display '%s'", XDisplayName( displayName ) ); - - if( !glXQueryExtension( fgDisplay.Display, NULL, NULL ) ) - fgError( "OpenGL GLX extension not supported by display '%s'", - XDisplayName( displayName ) ); - - fgDisplay.Screen = DefaultScreen( fgDisplay.Display ); - fgDisplay.RootWindow = RootWindow( - fgDisplay.Display, - fgDisplay.Screen - ); - - fgDisplay.ScreenWidth = DisplayWidth( - fgDisplay.Display, - fgDisplay.Screen - ); - fgDisplay.ScreenHeight = DisplayHeight( - fgDisplay.Display, - fgDisplay.Screen - ); - - fgDisplay.ScreenWidthMM = DisplayWidthMM( - fgDisplay.Display, - fgDisplay.Screen - ); - fgDisplay.ScreenHeightMM = DisplayHeightMM( - fgDisplay.Display, - fgDisplay.Screen - ); - - fgDisplay.Connection = ConnectionNumber( fgDisplay.Display ); - - /* Create the window deletion atom */ - fgDisplay.DeleteWindow = fghGetAtom("WM_DELETE_WINDOW"); - - /* Create the state and full screen atoms */ - fgDisplay.State = None; - fgDisplay.StateFullScreen = None; - - if (fghNetWMSupported()) - { - const Atom supported = fghGetAtom("_NET_SUPPORTED"); - const Atom state = fghGetAtom("_NET_WM_STATE"); - - /* Check if the state hint is supported. */ - if (fgHintPresent(fgDisplay.RootWindow, supported, state)) - { - const Atom full_screen = fghGetAtom("_NET_WM_STATE_FULLSCREEN"); - - fgDisplay.State = state; - - /* Check if the window manager supports full screen. */ - /** Check "_NET_WM_ALLOWED_ACTIONS" on our window instead? **/ - if (fgHintPresent(fgDisplay.RootWindow, supported, full_screen)) + fgState.DirectContext = GLUT_FORCE_INDIRECT_CONTEXT; + argv[ i ] = NULL; + (*pargc)--; + } + else if( strcmp( argv[ i ], "-iconic" ) == 0 ) + { + fgState.ForceIconic = GL_TRUE; + argv[ i ] = NULL; + ( *pargc )--; + } + else if( strcmp( argv[ i ], "-gldebug" ) == 0 ) + { + fgState.GLDebugSwitch = GL_TRUE; + argv[ i ] = NULL; + ( *pargc )--; + } + else if( strcmp( argv[ i ], "-sync" ) == 0 ) { - fgDisplay.StateFullScreen = full_screen; + fgState.XSyncSwitch = GL_TRUE; + argv[ i ] = NULL; + ( *pargc )--; } - } } + /* Compact {argv}. */ + for( i = j = 1; i < *pargc; i++, j++ ) + { + /* Guaranteed to end because there are "*pargc" arguments left */ + while ( argv[ j ] == NULL ) + j++; + if ( i != j ) + argv[ i ] = argv[ j ]; + } - fgState.Initialised = GL_TRUE; - - atexit(fgDeinitialize); +#endif /* _WIN32_WCE */ - /* InputDevice uses GlutTimerFunc(), so fgState.Initialised must be TRUE */ - fgInitialiseInputDevices(); } -#endif void fghCloseInputDevices ( void ) { @@ -329,39 +212,8 @@ void fghCloseInputDevices ( void ) if ( fgState.InputDevsInitialised ) fgInputDeviceClose( ); - - fgState.JoysticksInitialised = GL_FALSE; - fgState.InputDevsInitialised = GL_FALSE; -} - - -#if TARGET_HOST_POSIX_X11 -static void fghDeinitialiseInputDevices ( void ) -{ - fghCloseInputDevices (); - - fgState.JoysticksInitialised = GL_FALSE; - fgState.InputDevsInitialised = GL_FALSE; -} - - -static void fghCloseDisplay ( void ) -{ - /* - * Make sure all X-client data we have created will be destroyed on - * display closing - */ - XSetCloseDownMode( fgDisplay.Display, DestroyAll ); - - /* - * Close the display connection, destroying all windows we have - * created so far - */ - XCloseDisplay( fgDisplay.Display ); } -#endif - /* * Perform the freeglut deinitialization... @@ -383,10 +235,7 @@ void fgDeinitialize( void ) /* If there was a menu created, destroy the rendering context */ if( fgStructure.MenuContext ) { -#if TARGET_HOST_POSIX_X11 - /* Note that the MVisualInfo is not owned by the MenuContext! */ - glXDestroyContext( fgDisplay.Display, fgStructure.MenuContext->MContext ); -#endif + fgPlatformDestroyContext (fgDisplay.pDisplay, fgStructure.MenuContext->MContext ); free( fgStructure.MenuContext ); fgStructure.MenuContext = NULL; } @@ -405,7 +254,7 @@ void fgDeinitialize( void ) free( timer ); } - fghDeinitialiseInputDevices (); + fgPlatformDeinitialiseInputDevices (); fgState.MouseWheelTicks = 0; @@ -459,45 +308,13 @@ void fgDeinitialize( void ) fgState.ProgramName = NULL; } - fghCloseDisplay (); + fgPlatformCloseDisplay (); fgState.Initialised = GL_FALSE; } -/* - * Everything inside the following #ifndef is copied from the X sources. - */ #if TARGET_HOST_MS_WINDOWS - -/* - -Copyright 1985, 1986, 1987,1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from The Open Group. - -*/ - #define NoValue 0x0000 #define XValue 0x0001 #define YValue 0x0002 @@ -507,132 +324,12 @@ from The Open Group. #define XNegative 0x0010 #define YNegative 0x0020 -/* - * XParseGeometry parses strings of the form - * "=x{+-}{+-}", where - * width, height, xoffset, and yoffset are unsigned integers. - * Example: "=80x24+300-49" - * The equal sign is optional. - * It returns a bitmask that indicates which of the four values - * were actually found in the string. For each value found, - * the corresponding argument is updated; for each value - * not found, the corresponding argument is left unchanged. - */ - -static int -ReadInteger(char *string, char **NextString) -{ - register int Result = 0; - int Sign = 1; - - if (*string == '+') - string++; - else if (*string == '-') - { - string++; - Sign = -1; - } - for (; (*string >= '0') && (*string <= '9'); string++) - { - Result = (Result * 10) + (*string - '0'); - } - *NextString = string; - if (Sign >= 0) - return Result; - else - return -Result; -} - -static int XParseGeometry ( +extern int XParseGeometry ( const char *string, int *x, int *y, unsigned int *width, /* RETURN */ - unsigned int *height) /* RETURN */ -{ - int mask = NoValue; - register char *strind; - unsigned int tempWidth = 0, tempHeight = 0; - int tempX = 0, tempY = 0; - char *nextCharacter; - - if ( (string == NULL) || (*string == '\0')) - return mask; - if (*string == '=') - string++; /* ignore possible '=' at beg of geometry spec */ - - strind = (char *)string; - if (*strind != '+' && *strind != '-' && *strind != 'x') { - tempWidth = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= WidthValue; - } - - if (*strind == 'x' || *strind == 'X') { - strind++; - tempHeight = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= HeightValue; - } - - if ((*strind == '+') || (*strind == '-')) { - if (*strind == '-') { - strind++; - tempX = -ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= XNegative; - } - else - { - strind++; - tempX = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - } - mask |= XValue; - if ((*strind == '+') || (*strind == '-')) { - if (*strind == '-') { - strind++; - tempY = -ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - mask |= YNegative; - } - else - { - strind++; - tempY = ReadInteger(strind, &nextCharacter); - if (strind == nextCharacter) - return 0; - strind = nextCharacter; - } - mask |= YValue; - } - } - - /* If strind isn't at the end of the string the it's an invalid - geometry specification. */ - - if (*strind != '\0') return 0; - - if (mask & XValue) - *x = tempX; - if (mask & YValue) - *y = tempY; - if (mask & WidthValue) - *width = tempWidth; - if (mask & HeightValue) - *height = tempHeight; - return mask; -} + unsigned int *height); /* RETURN */ #endif /* -- INTERFACE FUNCTIONS -------------------------------------------------- */ @@ -645,8 +342,6 @@ void FGAPIENTRY glutInit( int* pargc, char** argv ) { char* displayName = NULL; char* geometry = NULL; - int i, j, argc = *pargc; - if( fgState.Initialised ) fgError( "illegal glutInit() reinitialization attempt" ); @@ -663,108 +358,14 @@ void FGAPIENTRY glutInit( int* pargc, char** argv ) /* Get start time */ fgState.Time = fgSystemTime(); - /* check if GLUT_FPS env var is set */ -#ifndef _WIN32_WCE - { - const char *fps = getenv( "GLUT_FPS" ); - - if( fps ) - { - int interval; - sscanf( fps, "%d", &interval ); - - if( interval <= 0 ) - fgState.FPSInterval = 5000; /* 5000 millisecond default */ - else - fgState.FPSInterval = interval; - } - } - - displayName = getenv( "DISPLAY" ); - - for( i = 1; i < argc; i++ ) - { - if( strcmp( argv[ i ], "-display" ) == 0 ) - { - if( ++i >= argc ) - fgError( "-display parameter must be followed by display name" ); - - displayName = argv[ i ]; - - argv[ i - 1 ] = NULL; - argv[ i ] = NULL; - ( *pargc ) -= 2; - } - else if( strcmp( argv[ i ], "-geometry" ) == 0 ) - { - if( ++i >= argc ) - fgError( "-geometry parameter must be followed by window " - "geometry settings" ); - - geometry = argv[ i ]; - - argv[ i - 1 ] = NULL; - argv[ i ] = NULL; - ( *pargc ) -= 2; - } - else if( strcmp( argv[ i ], "-direct" ) == 0) - { - if( fgState.DirectContext == GLUT_FORCE_INDIRECT_CONTEXT ) - fgError( "parameters ambiguity, -direct and -indirect " - "cannot be both specified" ); - - fgState.DirectContext = GLUT_FORCE_DIRECT_CONTEXT; - argv[ i ] = NULL; - ( *pargc )--; - } - else if( strcmp( argv[ i ], "-indirect" ) == 0 ) - { - if( fgState.DirectContext == GLUT_FORCE_DIRECT_CONTEXT ) - fgError( "parameters ambiguity, -direct and -indirect " - "cannot be both specified" ); - - fgState.DirectContext = GLUT_FORCE_INDIRECT_CONTEXT; - argv[ i ] = NULL; - (*pargc)--; - } - else if( strcmp( argv[ i ], "-iconic" ) == 0 ) - { - fgState.ForceIconic = GL_TRUE; - argv[ i ] = NULL; - ( *pargc )--; - } - else if( strcmp( argv[ i ], "-gldebug" ) == 0 ) - { - fgState.GLDebugSwitch = GL_TRUE; - argv[ i ] = NULL; - ( *pargc )--; - } - else if( strcmp( argv[ i ], "-sync" ) == 0 ) - { - fgState.XSyncSwitch = GL_TRUE; - argv[ i ] = NULL; - ( *pargc )--; - } - } - - /* Compact {argv}. */ - for( i = j = 1; i < *pargc; i++, j++ ) - { - /* Guaranteed to end because there are "*pargc" arguments left */ - while ( argv[ j ] == NULL ) - j++; - if ( i != j ) - argv[ i ] = argv[ j ]; - } - -#endif /* _WIN32_WCE */ + fghParseCommandLineArguments ( pargc, argv, &displayName, &geometry ); /* * Have the display created now. If there wasn't a "-display" * in the program arguments, we will use the DISPLAY environment * variable for opening the X display (see code above): */ - fghInitialize( displayName ); + fgPlatformInitialize( displayName ); /* * Geometry parsing deffered until here because we may need the screen @@ -795,16 +396,6 @@ void FGAPIENTRY glutInit( int* pargc, char** argv ) } } -#if TARGET_HOST_MS_WINDOWS -void (__cdecl *__glutExitFunc)( int return_value ) = NULL; - -void FGAPIENTRY __glutInitWithExit( int *pargc, char **argv, void (__cdecl *exit_function)(int) ) -{ - __glutExitFunc = exit_function; - glutInit(pargc, argv); -} -#endif - /* * Undoes all the "glutInit" stuff */