* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
+#define FREEGLUT_BUILDING_LIB
#include <GL/freeglut.h>
#include "freeglut_internal.h"
+#if TARGET_HOST_POSIX_X11
+#include <limits.h> /* LONG_MAX */
+#endif
+
/*
* TODO BEFORE THE STABLE RELEASE:
*
GL_FALSE, /* UseCurrentContext */
GL_FALSE, /* GLDebugSwitch */
GL_FALSE, /* XSyncSwitch */
- GL_TRUE, /* KeyRepeat */
- 0xffffffff, /* Modifiers */
+ GLUT_KEY_REPEAT_ON, /* KeyRepeat */
+ INVALID_MODIFIERS, /* Modifiers */
0, /* FPSInterval */
0, /* SwapCount */
0, /* SwapTime */
-#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
- { 0, GL_FALSE }, /* Time */
-#else
- { { 0, 0 }, GL_FALSE },
-#endif
+ 0, /* Time */
{ NULL, NULL }, /* Timers */
{ NULL, NULL }, /* FreeTimers */
NULL, /* IdleCallback */
GLUT_ACTION_EXIT, /* ActionOnWindowClose */
GLUT_EXEC_STATE_INIT, /* ExecState */
NULL, /* ProgramName */
- GL_FALSE /* JoysticksInitialised */
+ GL_FALSE, /* JoysticksInitialised */
+ 0, /* NumActiveJoysticks */
+ GL_FALSE, /* InputDevsInitialised */
+ 0, /* MouseWheelTicks */
+ 1, /* AuxiliaryBufferNumber */
+ 4, /* SampleNumber */
+ 1, /* MajorVersion */
+ 0, /* MinorVersion */
+ 0, /* ContextFlags */
+ 0, /* ContextProfile */
+ NULL, /* ErrorFunc */
+ NULL /* WarningFunc */
};
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
+#if TARGET_HOST_POSIX_X11
+
+/* Return the atom associated with "name". */
+static Atom fghGetAtom(const char * name)
+{
+ return XInternAtom(fgDisplay.Display, name, False);
+}
+
+/*
+ * 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;
+
+
+ net_wm_supported = 0;
+
+ wm_check = fghGetAtom("_NET_SUPPORTING_WM_CHECK");
+ window_ptr_1 = malloc(sizeof(Window *));
+
+ /*
+ * 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)
+ {
+ 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);
+ }
+
+ XFree(*window_ptr_1);
+ free(window_ptr_1);
+
+ return net_wm_supported;
+}
+
+/* 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;
+}
+
+#endif /* TARGET_HOST_POSIX_X11 */
+
+
/*
* A call to this function should initialize all the display stuff...
*/
static void fghInitialize( const char* displayName )
{
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
fgDisplay.Display = XOpenDisplay( displayName );
if( fgDisplay.Display == NULL )
fgDisplay.Connection = ConnectionNumber( fgDisplay.Display );
/* Create the window deletion atom */
- fgDisplay.DeleteWindow = XInternAtom(
- fgDisplay.Display,
- "WM_DELETE_WINDOW",
- FALSE
- );
+ 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))
+ {
+ fgDisplay.StateFullScreen = full_screen;
+ }
+ }
+ }
-#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#elif TARGET_HOST_MS_WINDOWS
WNDCLASS wc;
ATOM atom;
/* What we need to do is to initialize the fgDisplay global structure here. */
fgDisplay.Instance = GetModuleHandle( NULL );
-
+ fgDisplay.DisplayName= displayName ? strdup(displayName) : 0 ;
atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
if( atom == 0 )
wc.hInstance = fgDisplay.Instance;
wc.hIcon = LoadIcon( fgDisplay.Instance, _T("GLUT_ICON") );
-#if TARGET_HOST_WIN32
+#if defined(_WIN32_WCE)
+ wc.style = CS_HREDRAW | CS_VREDRAW;
+#else
wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
if (!wc.hIcon)
wc.hIcon = LoadIcon( NULL, IDI_WINLOGO );
-#else /* TARGET_HOST_WINCE */
- wc.style = CS_HREDRAW | CS_VREDRAW;
#endif
wc.hCursor = LoadCursor( NULL, IDC_ARROW );
/* Register the window class */
atom = RegisterClass( &wc );
- assert( atom );
+ FREEGLUT_INTERNAL_ERROR_EXIT ( atom, "Window Class Not Registered", "fghInitialize" );
}
/* The screen dimensions can be obtained via GetSystemMetrics() calls */
ReleaseDC( desktop, context );
}
+ /* If we have a DisplayName try to use it for metrics */
+ if( fgDisplay.DisplayName )
+ {
+ HDC context = CreateDC(fgDisplay.DisplayName,0,0,0);
+ if( context )
+ {
+ fgDisplay.ScreenWidth = GetDeviceCaps( context, HORZRES );
+ fgDisplay.ScreenHeight = GetDeviceCaps( context, VERTRES );
+ fgDisplay.ScreenWidthMM = GetDeviceCaps( context, HORZSIZE );
+ fgDisplay.ScreenHeightMM = GetDeviceCaps( context, VERTSIZE );
+ DeleteDC(context);
+ }
+ else
+ fgWarning("fghInitialize: "
+ "CreateDC failed, Screen size info may be incorrect\n"
+ "This is quite likely caused by a bad '-display' parameter");
+
+ }
+ /* Set the timer granularity to 1 ms */
+ timeBeginPeriod ( 1 );
#endif
fgState.Initialised = GL_TRUE;
+
+ /* Avoid registering atexit callback on Win32 as it results in an access
+ * violation due to calling into a module which has been unloaded.
+ * Any cleanup isn't needed on Windows anyway, the OS takes care of it.c
+ * see: http://blogs.msdn.com/b/oldnewthing/archive/2012/01/05/10253268.aspx
+ */
+#if ( TARGET_HOST_MS_WINDOWS == 0 )
+ atexit(fgDeinitialize);
+#endif
+
+ /* InputDevice uses GlutTimerFunc(), so fgState.Initialised must be TRUE */
+ fgInitialiseInputDevices();
}
/*
if( !fgState.Initialised )
{
- fgWarning( "fgDeinitialize(): "
- "no valid initialization has been performed" );
return;
}
- /* fgState.Initialised = GL_FALSE; */
+ /* If we're in game mode, we want to leave game mode */
+ if( fgStructure.GameModeWindow ) {
+ glutLeaveGameMode();
+ }
/* 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
free( fgStructure.MenuContext );
fgStructure.MenuContext = NULL;
}
fgDestroyStructure( );
- while( ( timer = fgState.Timers.First ) )
+ while( ( timer = fgState.Timers.First) )
{
fgListRemove( &fgState.Timers, &timer->Node );
free( timer );
free( timer );
}
-#if !TARGET_HOST_WINCE
+#if !defined(_WIN32_WCE)
if ( fgState.JoysticksInitialised )
fgJoystickClose( );
-#endif /* !TARGET_HOST_WINCE */
+
+ if ( fgState.InputDevsInitialised )
+ fgInputDeviceClose( );
+#endif /* !defined(_WIN32_WCE) */
fgState.JoysticksInitialised = GL_FALSE;
+ fgState.InputDevsInitialised = GL_FALSE;
+
+ fgState.MouseWheelTicks = 0;
+
+ fgState.MajorVersion = 1;
+ fgState.MinorVersion = 0;
+ fgState.ContextFlags = 0;
+ fgState.ContextProfile = 0;
fgState.Initialised = GL_FALSE;
fgState.ActionOnWindowClose = GLUT_ACTION_EXIT;
fgState.ExecState = GLUT_EXEC_STATE_INIT;
- fgState.KeyRepeat = GL_TRUE;
- fgState.Modifiers = 0xffffffff;
+ fgState.KeyRepeat = GLUT_KEY_REPEAT_ON;
+ fgState.Modifiers = INVALID_MODIFIERS;
fgState.GameModeSize.X = 640;
fgState.GameModeSize.Y = 480;
fgState.GameModeDepth = 16;
fgState.GameModeRefresh = 72;
- fgState.Time.Set = GL_FALSE;
-
fgListInit( &fgState.Timers );
fgListInit( &fgState.FreeTimers );
fgState.ProgramName = NULL;
}
-
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
/*
* Make sure all X-client data we have created will be destroyed on
*/
XCloseDisplay( fgDisplay.Display );
+#elif TARGET_HOST_MS_WINDOWS
+ if( fgDisplay.DisplayName )
+ {
+ free( fgDisplay.DisplayName );
+ fgDisplay.DisplayName = NULL;
+ }
+
+ /* Reset the timer granularity */
+ timeEndPeriod ( 1 );
+
#endif
+
+ fgState.Initialised = GL_FALSE;
}
/*
* Everything inside the following #ifndef is copied from the X sources.
*/
-#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#if TARGET_HOST_MS_WINDOWS
/*
fgCreateStructure( );
- fgElapsedTime( );
+ /* Get start time */
+ fgState.Time = fgSystemTime();
/* check if GLUT_FPS env var is set */
-#if !TARGET_HOST_WINCE
+#ifndef _WIN32_WCE
{
const char *fps = getenv( "GLUT_FPS" );
+
if( fps )
{
int interval;
}
}
- displayName = getenv( "DISPLAY");
+ displayName = getenv( "DISPLAY" );
for( i = 1; i < argc; i++ )
{
argv[ i ] = argv[ j ];
}
-#endif /* TARGET_HOST_WINCE */
+#endif /* _WIN32_WCE */
/*
* Have the display created now. If there wasn't a "-display"
* size.
*/
- if( geometry )
+ if (geometry )
{
unsigned int parsedWidth, parsedHeight;
int mask = XParseGeometry( geometry,
}
}
+#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
+ */
+void FGAPIENTRY glutExit ( void )
+{
+ fgDeinitialize ();
+}
+
/*
* Sets the default initial window position for new windows
*/
/* -- INIT DISPLAY STRING PARSING ------------------------------------------ */
-#define NUM_TOKENS 36
static char* Tokens[] =
{
"alpha", "acca", "acc", "blue", "buffer", "conformant", "depth", "double",
"xstaticgray", "xgrayscale", "xstaticcolor", "xpseudocolor",
"xtruecolor", "xdirectcolor",
"xstaticgrey", "xgreyscale", "xstaticcolour", "xpseudocolour",
- "xtruecolour", "xdirectcolour", "borderless"
-};
-
-static int TokenLengths[] =
-{
- 5, 4, 3, 4, 6, 10, 5, 6,
- 5, 5, 3, 3, 4, 3, 9, 7,
- 6, 6, 7, 4, 8, 8, 7,
- 11, 10, 12, 12,
- 10, 12,
- 11, 10, 13, 13,
- 11, 13, 10
+ "xtruecolour", "xdirectcolour", "borderless", "aux"
};
+#define NUM_TOKENS (sizeof(Tokens) / sizeof(*Tokens))
void FGAPIENTRY glutInitDisplayString( const char* displayMode )
{
* delimited by blanks or tabs.
*/
char *token ;
- int len = strlen ( displayMode );
+ size_t len = strlen ( displayMode );
char *buffer = (char *)malloc ( (len+1) * sizeof(char) );
memcpy ( buffer, displayMode, len );
buffer[len] = '\0';
token = strtok ( buffer, " \t" );
+
while ( token )
{
/* Process this token */
int i ;
+
+ /* Temporary fix: Ignore any length specifications and at least
+ * process the basic token
+ * TODO: Fix this permanently
+ */
+ size_t cleanlength = strcspn ( token, "=<>~!" );
+
for ( i = 0; i < NUM_TOKENS; i++ )
{
- if ( strncmp ( token, Tokens[i], TokenLengths[i] ) == 0 ) break ;
+ if ( strncmp ( token, Tokens[i], cleanlength ) == 0 ) break ;
}
switch ( i )
case 20 : /* "win32pdf": (incorrect spelling but was there before */
case 21 : /* "win32pfd": matches the Win32 Pixel Format Descriptor by
number */
-#if TARGET_HOST_WIN32
+#if TARGET_HOST_MS_WINDOWS
#endif
break ;
case 22 : /* "xvisual": matches the X visual ID by number */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 23 : /* "xstaticgray": */
case 29 : /* "xstaticgrey": boolean indicating if the frame buffer
configuration's X visual is of type StaticGray */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 24 : /* "xgrayscale": */
case 30 : /* "xgreyscale": boolean indicating if the frame buffer
configuration's X visual is of type GrayScale */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 25 : /* "xstaticcolor": */
case 31 : /* "xstaticcolour": boolean indicating if the frame buffer
configuration's X visual is of type StaticColor */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 26 : /* "xpseudocolor": */
case 32 : /* "xpseudocolour": boolean indicating if the frame buffer
configuration's X visual is of type PseudoColor */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 27 : /* "xtruecolor": */
case 33 : /* "xtruecolour": boolean indicating if the frame buffer
configuration's X visual is of type TrueColor */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 28 : /* "xdirectcolor": */
case 34 : /* "xdirectcolour": boolean indicating if the frame buffer
configuration's X visual is of type DirectColor */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
case 35 : /* "borderless": windows should not have borders */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
#endif
break ;
- case 36 : /* Unrecognized */
+ case 36 : /* "aux": some number of aux buffers */
+ glut_state_flag |= GLUT_AUX;
+ break ;
+
+ case 37 : /* Unrecognized */
fgWarning ( "WARNING - Display string token not recognized: %s",
token );
break ;
fgState.DisplayMode = glut_state_flag;
}
+/* -- SETTING OPENGL 3.0 CONTEXT CREATION PARAMETERS ---------------------- */
+
+void FGAPIENTRY glutInitContextVersion( int majorVersion, int minorVersion )
+{
+ /* We will make use of these valuse when creating a new OpenGL context... */
+ fgState.MajorVersion = majorVersion;
+ fgState.MinorVersion = minorVersion;
+}
+
+
+void FGAPIENTRY glutInitContextFlags( int flags )
+{
+ /* We will make use of this value when creating a new OpenGL context... */
+ fgState.ContextFlags = flags;
+}
+
+void FGAPIENTRY glutInitContextProfile( int profile )
+{
+ /* We will make use of this value when creating a new OpenGL context... */
+ fgState.ContextProfile = profile;
+}
+
+/* -------------- User Defined Error/Warning Handler Support -------------- */
+
+/*
+ * Sets the user error handler (note the use of va_list for the args to the fmt)
+ */
+void FGAPIENTRY glutInitErrorFunc( void (* vfgError) ( const char *fmt, va_list ap ) )
+{
+ /* This allows user programs to handle freeglut errors */
+ fgState.ErrorFunc = vfgError;
+}
+
+/*
+ * Sets the user warning handler (note the use of va_list for the args to the fmt)
+ */
+void FGAPIENTRY glutInitWarningFunc( void (* vfgWarning) ( const char *fmt, va_list ap ) )
+{
+ /* This allows user programs to handle freeglut warnings */
+ fgState.WarningFunc = vfgWarning;
+}
+
/*** END OF FILE ***/
projects / freeglut / blobdiff