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