* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
#include <GL/freeglut.h>
#include "freeglut_internal.h"
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
/*
* Queries the GL context about some attributes
*/
static int fghGetConfig( int attribute )
{
int returnValue = 0;
+ int result; /* Not checked */
- if( fgStructure.Window )
- glXGetConfig( fgDisplay.Display, fgStructure.Window->Window.VisualInfo,
- attribute, &returnValue );
+ if( fgStructure.CurrentWindow )
+ result = glXGetFBConfigAttrib( fgDisplay.Display,
+ *(fgStructure.CurrentWindow->Window.FBConfig),
+ attribute,
+ &returnValue );
return returnValue;
}
*/
void FGAPIENTRY glutSetOption( GLenum eWhat, int value )
{
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetOption" );
/*
* XXX In chronological code add order. (WHY in that order?)
break;
case GLUT_WINDOW_CURSOR:
- if( fgStructure.Window != NULL )
- fgStructure.Window->State.Cursor = value;
+ if( fgStructure.CurrentWindow != NULL )
+ fgStructure.CurrentWindow->State.Cursor = value;
break;
default:
- fgWarning( "glutSetOption(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutSetOption(): missing enum handle %d", eWhat );
break;
}
}
+#if TARGET_HOST_MS_WINDOWS
+/* The following include file is available from SGI but is not standard:
+ * #include <GL/wglext.h>
+ * So we copy the necessary parts out of it to support the multisampling query
+ */
+#define WGL_SAMPLES_ARB 0x2042
+#endif
+
+
/*
* General settings query method
*/
int FGAPIENTRY glutGet( GLenum eWhat )
{
-#if TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#if TARGET_HOST_MS_WINDOWS
int returnValue ;
GLboolean boolValue ;
#endif
+ int nsamples = 0;
+
switch (eWhat)
{
case GLUT_INIT_STATE:
return fgElapsedTime();
}
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGet" );
- /*
- * XXX In chronological code add order. (WHY in that order?)
- */
+ /* XXX In chronological code add order. (WHY in that order?) */
switch( eWhat )
{
- /*
- * Following values are stored in fgState and fgDisplay global structures
- */
+ /* Following values are stored in fgState and fgDisplay global structures */
case GLUT_SCREEN_WIDTH: return fgDisplay.ScreenWidth ;
case GLUT_SCREEN_HEIGHT: return fgDisplay.ScreenHeight ;
case GLUT_SCREEN_WIDTH_MM: return fgDisplay.ScreenWidthMM ;
case GLUT_SCREEN_HEIGHT_MM: return fgDisplay.ScreenHeightMM;
- case GLUT_INIT_WINDOW_X: return fgState.Position.X ;
- case GLUT_INIT_WINDOW_Y: return fgState.Position.Y ;
- case GLUT_INIT_WINDOW_WIDTH: return fgState.Size.X ;
- case GLUT_INIT_WINDOW_HEIGHT: return fgState.Size.Y ;
+ case GLUT_INIT_WINDOW_X: return fgState.Position.Use ?
+ fgState.Position.X : -1 ;
+ case GLUT_INIT_WINDOW_Y: return fgState.Position.Use ?
+ fgState.Position.Y : -1 ;
+ case GLUT_INIT_WINDOW_WIDTH: return fgState.Size.Use ?
+ fgState.Size.X : -1 ;
+ case GLUT_INIT_WINDOW_HEIGHT: return fgState.Size.Use ?
+ fgState.Size.Y : -1 ;
case GLUT_INIT_DISPLAY_MODE: return fgState.DisplayMode ;
+#if TARGET_HOST_POSIX_X11
/*
* The window/context specific queries are handled mostly by
* fghGetConfig().
*/
case GLUT_WINDOW_NUM_SAMPLES:
- /*
- * XXX Multisampling. Return what I know about multisampling.
- */
- return 0;
+#ifdef GLX_VERSION_1_3
+ glGetIntegerv(GL_SAMPLES, &nsamples);
+#endif
+ return nsamples;
-#if TARGET_HOST_UNIX_X11
/*
* The rest of GLX queries under X are general enough to use a macro to
* check them
# undef GLX_QUERY
- /*
- * Colormap size is handled in a bit different way than all the rest
- */
+ /* Colormap size is handled in a bit different way than all the rest */
case GLUT_WINDOW_COLORMAP_SIZE:
- if( (fghGetConfig( GLX_RGBA )) || (fgStructure.Window == NULL) )
+ if( (fghGetConfig( GLX_RGBA )) || (fgStructure.CurrentWindow == NULL) )
{
/*
* We've got a RGBA visual, so there is no colormap at all.
*/
return 0;
}
- return fgStructure.Window->Window.VisualInfo->visual->map_entries;
+ else
+ {
+ const GLXFBConfig * fbconfig =
+ fgStructure.CurrentWindow->Window.FBConfig;
+
+ XVisualInfo * visualInfo =
+ glXGetVisualFromFBConfig( fgDisplay.Display, *fbconfig );
+
+ const int result = visualInfo->visual->map_entries;
+
+ XFree(visualInfo);
+
+ return result;
+ }
/*
* Those calls are somewhat similiar, as they use XGetWindowAttributes()
int x, y;
Window w;
- if( fgStructure.Window == NULL )
+ if( fgStructure.CurrentWindow == NULL )
return 0;
XTranslateCoordinates(
fgDisplay.Display,
- fgStructure.Window->Window.Handle,
+ fgStructure.CurrentWindow->Window.Handle,
fgDisplay.RootWindow,
0, 0, &x, &y, &w);
return 0;
XTranslateCoordinates(
fgDisplay.Display,
- fgStructure.Window->Window.Handle,
+ fgStructure.CurrentWindow->Window.Handle,
w, 0, 0, &x, &y, &w);
switch ( eWhat )
{
XWindowAttributes winAttributes;
- if( fgStructure.Window == NULL )
+ if( fgStructure.CurrentWindow == NULL )
return 0;
XGetWindowAttributes(
fgDisplay.Display,
- fgStructure.Window->Window.Handle,
+ fgStructure.CurrentWindow->Window.Handle,
&winAttributes
);
switch ( eWhat )
}
}
- /*
- * I do not know yet if there will be a fgChooseVisual() function for Win32
- */
+ /* I do not know yet if there will be a fgChooseVisual() function for Win32 */
case GLUT_DISPLAY_MODE_POSSIBLE:
- return( fgChooseVisual() == NULL ? 0 : 1 );
+ {
+ /* We should not have to call fgChooseFBConfig again here. */
+ GLXFBConfig * fbconfig;
+ int isPossible;
- /*
- * This is system-dependant
- */
+ fbconfig = fgChooseFBConfig();
+
+ if (fbconfig == NULL)
+ {
+ isPossible = 0;
+ }
+ else
+ {
+ isPossible = 1;
+ XFree(fbconfig);
+ }
+
+ return isPossible;
+ }
+
+ /* This is system-dependant */
case GLUT_WINDOW_FORMAT_ID:
- if( fgStructure.Window == NULL )
+ if( fgStructure.CurrentWindow == NULL )
return 0;
- return fgStructure.Window->Window.VisualInfo->visualid;
+ return fghGetConfig( GLX_VISUAL_ID );
-#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#elif TARGET_HOST_MS_WINDOWS
- /*
- * Handle the OpenGL inquiries
- */
+ case GLUT_WINDOW_NUM_SAMPLES:
+ glGetIntegerv(WGL_SAMPLES_ARB, &nsamples);
+ return nsamples;
+
+ /* Handle the OpenGL inquiries */
case GLUT_WINDOW_RGBA:
glGetBooleanv ( GL_RGBA_MODE, &boolValue );
returnValue = boolValue ? 1 : 0;
RECT winRect;
- freeglut_return_val_if_fail( fgStructure.Window != NULL, 0 );
+ freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
/*
* We need to call GetWindowRect() first...
* (this returns the pixel coordinates of the outside of the window)
*/
- GetWindowRect( fgStructure.Window->Window.Handle, &winRect );
+ GetWindowRect( fgStructure.CurrentWindow->Window.Handle, &winRect );
- /*
- * ...then we've got to correct the results we've just received...
- */
+ /* ...then we've got to correct the results we've just received... */
-#if !TARGET_HOST_WINCE
- if ( ( fgStructure.GameMode != fgStructure.Window ) && ( fgStructure.Window->Parent == NULL ) &&
- ( ! fgStructure.Window->IsMenu ) )
+#if !defined(_WIN32_WCE)
+ if ( ( fgStructure.GameModeWindow != fgStructure.CurrentWindow ) && ( fgStructure.CurrentWindow->Parent == NULL ) &&
+ ( ! fgStructure.CurrentWindow->IsMenu ) )
{
winRect.left += GetSystemMetrics( SM_CXSIZEFRAME );
winRect.right -= GetSystemMetrics( SM_CXSIZEFRAME );
winRect.top += GetSystemMetrics( SM_CYSIZEFRAME ) + GetSystemMetrics( SM_CYCAPTION );
winRect.bottom -= GetSystemMetrics( SM_CYSIZEFRAME );
}
-#endif /* !TARGET_HOST_WINCE */
+#endif /* !defined(_WIN32_WCE) */
switch( eWhat )
{
break;
case GLUT_WINDOW_BORDER_WIDTH :
-#if TARGET_HOST_WINCE
+#if defined(_WIN32_WCE)
return 0;
#else
return GetSystemMetrics( SM_CXSIZEFRAME );
-#endif /* !TARGET_HOST_WINCE */
+#endif /* !defined(_WIN32_WCE) */
case GLUT_WINDOW_HEADER_HEIGHT :
-#if TARGET_HOST_WINCE
+#if defined(_WIN32_WCE)
return 0;
#else
return GetSystemMetrics( SM_CYCAPTION );
-#endif /* TARGET_HOST_WINCE */
+#endif /* defined(_WIN32_WCE) */
case GLUT_DISPLAY_MODE_POSSIBLE:
-#if TARGET_HOST_WINCE
- return GL_FALSE;
+#if defined(_WIN32_WCE)
+ return 0;
#else
- return fgSetupPixelFormat( fgStructure.Window, GL_TRUE,
+ return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_MAIN_PLANE );
-#endif /* TARGET_HOST_WINCE */
+#endif /* defined(_WIN32_WCE) */
case GLUT_WINDOW_FORMAT_ID:
-#if !TARGET_HOST_WINCE
- if( fgStructure.Window != NULL )
- return GetPixelFormat( fgStructure.Window->Window.Device );
-#endif /* TARGET_HOST_WINCE */
+#if !defined(_WIN32_WCE)
+ if( fgStructure.CurrentWindow != NULL )
+ return GetPixelFormat( fgStructure.CurrentWindow->Window.Device );
+#endif /* defined(_WIN32_WCE) */
return 0;
#endif
- /*
- * The window structure queries
- */
+ /* The window structure queries */
case GLUT_WINDOW_PARENT:
- if( fgStructure.Window == NULL ) return 0;
- if( fgStructure.Window->Parent == NULL ) return 0;
- return fgStructure.Window->Parent->ID;
+ if( fgStructure.CurrentWindow == NULL ) return 0;
+ if( fgStructure.CurrentWindow->Parent == NULL ) return 0;
+ return fgStructure.CurrentWindow->Parent->ID;
case GLUT_WINDOW_NUM_CHILDREN:
- if( fgStructure.Window == NULL )
+ if( fgStructure.CurrentWindow == NULL )
return 0;
- return fgListLength( &fgStructure.Window->Children );
+ return fgListLength( &fgStructure.CurrentWindow->Children );
case GLUT_WINDOW_CURSOR:
- if( fgStructure.Window == NULL )
+ if( fgStructure.CurrentWindow == NULL )
return 0;
- return fgStructure.Window->State.Cursor;
+ return fgStructure.CurrentWindow->State.Cursor;
case GLUT_MENU_NUM_ITEMS:
- if( fgStructure.Menu == NULL )
+ if( fgStructure.CurrentMenu == NULL )
return 0;
- return fgListLength( &fgStructure.Menu->Entries );
+ return fgListLength( &fgStructure.CurrentMenu->Entries );
case GLUT_ACTION_ON_WINDOW_CLOSE:
return fgState.ActionOnWindowClose;
break;
default:
- fgWarning( "glutGet(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutGet(): missing enum handle %d", eWhat );
break;
}
return -1;
*/
int FGAPIENTRY glutDeviceGet( GLenum eWhat )
{
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutDeviceGet" );
- /*
- * XXX WARNING: we are mostly lying in this function.
- */
+ /* XXX WARNING: we are mostly lying in this function. */
switch( eWhat )
{
case GLUT_HAS_KEYBOARD:
/*
- * We always have a keyboard present on PC machines...
+ * Win32 is assumed a keyboard, and this cannot be queried,
+ * except for WindowsCE.
*
- * XXX I think that some of my PCs will boot without a keyboard.
- * XXX Also, who says that we are running on a PC? UNIX/X11
- * XXX is much more generic, and X11 can go over a network.
- * XXX Though in actuality, we can probably assume BOTH a
- * XXX mouse and keyboard for most/all of our users.
+ * X11 has a core keyboard by definition, although it can
+ * be present as a virtual/dummy keyboard. For now, there
+ * is no reliable way to tell if a real keyboard is present.
*/
- return TRUE ;
+#if defined(_WIN32_CE)
+ return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0;
+# if FREEGLUT_LIB_PRAGMAS
+# pragma comment (lib,"Kbdui.lib")
+# endif
+
+#else
+ return 1;
+#endif
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
+ /* X11 has a mouse by definition */
case GLUT_HAS_MOUSE:
- return TRUE ;
+ return 1 ;
case GLUT_NUM_MOUSE_BUTTONS:
- /*
- * Return the number of mouse buttons available. This is a big guess.
+ /* We should be able to pass NULL when the last argument is zero,
+ * but at least one X server has a bug where this causes a segfault.
*
- * XXX We can probe /var/run/dmesg.boot which is world-readable.
- * XXX This would be somewhat system-dependant, but is doable.
- * XXX E.g., on NetBSD, my USB mouse registers:
- * XXX ums0 at uhidev0: 3 buttons and Z dir.
- * XXX We can also probe /var/log/XFree86\..*\.log to get
- * XXX lines such as:
- * XXX (**) Option "Buttons" "5"
- * XXX (**) Option "ZAxisMapping" "4 5"
- * XXX (**) Mouse0: ZAxisMapping: buttons 4 and 5
- * XXX (**) Mouse0: Buttons: 5
- * XXX ...which tells us even more, and is a bit less
- * XXX system-dependant. (Other than MS-WINDOWS, all
- * XXX target hosts with actual users are probably running
- * XXX XFree86...) It is at least worth taking a look at
- * XXX this file.
+ * In XFree86/Xorg servers, a mouse wheel is seen as two buttons
+ * rather than an Axis; "freeglut_main.c" expects this when
+ * checking for a wheel event.
*/
- return 3 ;
+ {
+ unsigned char map;
+ int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);
+ return nbuttons;
+ }
-#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#elif TARGET_HOST_MS_WINDOWS
case GLUT_HAS_MOUSE:
/*
- * The Windows can be booted without a mouse.
- * It would be nice to have this reported.
+ * MS Windows can be booted without a mouse.
*/
return GetSystemMetrics( SM_MOUSEPRESENT );
case GLUT_NUM_MOUSE_BUTTONS:
- /*
- * We are much more fortunate under Win32 about this...
- */
-#if TARGET_HOST_WINCE
+# if defined(_WIN32_WCE)
return 1;
-#else
+# else
return GetSystemMetrics( SM_CMOUSEBUTTONS );
-#endif /* TARGET_HOST_WINCE */
-
+# endif
#endif
- case GLUT_JOYSTICK_POLL_RATE:
case GLUT_HAS_JOYSTICK:
+ return fgJoystickDetect ();
+
case GLUT_OWNS_JOYSTICK:
+ return fgState.JoysticksInitialised;
+
+ case GLUT_JOYSTICK_POLL_RATE:
+ return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.JoystickPollRate : 0;
+
+ /* XXX The following two are only for Joystick 0 but this is an improvement */
case GLUT_JOYSTICK_BUTTONS:
+ return glutJoystickGetNumButtons ( 0 );
+
case GLUT_JOYSTICK_AXES:
- /*
- * XXX WARNING: THIS IS A BIG LIE!
- */
+ return glutJoystickGetNumAxes ( 0 );
+
+ case GLUT_HAS_DIAL_AND_BUTTON_BOX:
+ return fgInputDeviceDetect ();
+
+ case GLUT_NUM_DIALS:
+ if ( fgState.InputDevsInitialised ) return 8;
+ return 0;
+
+ case GLUT_NUM_BUTTON_BOX_BUTTONS:
return 0;
case GLUT_HAS_SPACEBALL:
- case GLUT_HAS_DIAL_AND_BUTTON_BOX:
case GLUT_HAS_TABLET:
- return FALSE;
+ return 0;
case GLUT_NUM_SPACEBALL_BUTTONS:
- case GLUT_NUM_BUTTON_BOX_BUTTONS:
- case GLUT_NUM_DIALS:
case GLUT_NUM_TABLET_BUTTONS:
return 0;
case GLUT_DEVICE_IGNORE_KEY_REPEAT:
- return fgStructure.Window ? fgStructure.Window->State.IgnoreKeyRepeat : 0;
+ return fgStructure.CurrentWindow ? fgStructure.CurrentWindow->State.IgnoreKeyRepeat : 0;
case GLUT_DEVICE_KEY_REPEAT:
- /*
- * XXX WARNING: THIS IS A BIG LIE!
- */
- return GLUT_KEY_REPEAT_DEFAULT;
+ return fgState.KeyRepeat;
default:
- fgWarning( "glutDeviceGet(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );
break;
}
- /*
- * And now -- the failure.
- */
+ /* And now -- the failure. */
return -1;
}
*/
int FGAPIENTRY glutGetModifiers( void )
{
- if( fgState.Modifiers == 0xffffffff )
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetModifiers" );
+ if( fgState.Modifiers == INVALID_MODIFIERS )
{
fgWarning( "glutGetModifiers() called outside an input callback" );
return 0;
*/
int FGAPIENTRY glutLayerGet( GLenum eWhat )
{
- freeglut_assert_ready;
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutLayerGet" );
/*
* This is easy as layers are not implemented ;-)
switch( eWhat )
{
-#if TARGET_HOST_UNIX_X11
+#if TARGET_HOST_POSIX_X11
case GLUT_OVERLAY_POSSIBLE:
- return FALSE;
+ return 0;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
- return FALSE;
+ return 0;
case GLUT_TRANSPARENT_INDEX:
/*
return 0;
case GLUT_NORMAL_DAMAGED:
- /*
- * XXX Actually I do not know. Maybe.
- */
- return FALSE;
+ /* XXX Actually I do not know. Maybe. */
+ return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
-#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#elif TARGET_HOST_MS_WINDOWS
case GLUT_OVERLAY_POSSIBLE:
-/* return fgSetupPixelFormat( fgStructure.Window, GL_TRUE,
+/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,
PFD_OVERLAY_PLANE ); */
- return FALSE ;
+ return 0 ;
case GLUT_LAYER_IN_USE:
return GLUT_NORMAL;
case GLUT_HAS_OVERLAY:
- return FALSE;
+ return 0;
case GLUT_TRANSPARENT_INDEX:
/*
return 0;
case GLUT_NORMAL_DAMAGED:
- /*
- * XXX Actually I do not know. Maybe.
- */
- return FALSE;
+ /* XXX Actually I do not know. Maybe. */
+ return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;
#endif
default:
- fgWarning( "glutLayerGet(): missing enum handle %i\n", eWhat );
+ fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );
break;
}
- /*
- * And fail. That's good. Programs do love failing.
- */
+ /* And fail. That's good. Programs do love failing. */
return -1;
}
projects / freeglut / blobdiff