/* -- 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.CurrentWindow )
- glXGetConfig( fgDisplay.Display, fgStructure.CurrentWindow->Window.VisualInfo,
- attribute, &returnValue );
+ result = glXGetFBConfigAttrib( fgDisplay.Display,
+ *(fgStructure.CurrentWindow->Window.FBConfig),
+ attribute,
+ &returnValue );
return returnValue;
}
}
}
+#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:
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
*/
return 0;
}
- return fgStructure.CurrentWindow->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()
/* 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;
+
+ 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.CurrentWindow == NULL )
return 0;
- return fgStructure.CurrentWindow->Window.VisualInfo->visualid;
+ return fghGetConfig( GLX_VISUAL_ID );
-#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+#elif TARGET_HOST_MS_WINDOWS
+
+ case GLUT_WINDOW_NUM_SAMPLES:
+ glGetIntegerv(WGL_SAMPLES_ARB, &nsamples);
+ return nsamples;
/* Handle the OpenGL inquiries */
case GLUT_WINDOW_RGBA:
/* ...then we've got to correct the results we've just received... */
-#if !TARGET_HOST_WINCE
- if ( ( fgStructure.GameMode != fgStructure.CurrentWindow ) && ( fgStructure.CurrentWindow->Parent == NULL ) &&
+#if !defined(_WIN32_WCE)
+ if ( ( fgStructure.GameModeWindow != fgStructure.CurrentWindow ) && ( fgStructure.CurrentWindow->Parent == NULL ) &&
( ! fgStructure.CurrentWindow->IsMenu ) )
{
winRect.left += 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.CurrentWindow, GL_TRUE,
PFD_MAIN_PLANE );
-#endif /* TARGET_HOST_WINCE */
+#endif /* defined(_WIN32_WCE) */
case GLUT_WINDOW_FORMAT_ID:
-#if !TARGET_HOST_WINCE
+#if !defined(_WIN32_WCE)
if( fgStructure.CurrentWindow != NULL )
return GetPixelFormat( fgStructure.CurrentWindow->Window.Device );
-#endif /* TARGET_HOST_WINCE */
+#endif /* defined(_WIN32_WCE) */
return 0;
#endif
{
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
-#if TARGET_HOST_UNIX_X11
+#else
+ return 1;
+#endif
+#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_HAS_JOYSTICK:
case GLUT_HAS_SPACEBALL:
case GLUT_HAS_TABLET:
- return FALSE;
+ return 0;
case GLUT_NUM_SPACEBALL_BUTTONS:
case GLUT_NUM_TABLET_BUTTONS:
int FGAPIENTRY glutGetModifiers( void )
{
FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetModifiers" );
- if( fgState.Modifiers == 0xffffffff )
+ if( fgState.Modifiers == INVALID_MODIFIERS )
{
fgWarning( "glutGetModifiers() called outside an input callback" );
return 0;
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:
/*
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
- return FALSE;
+ 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.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:
/*
case GLUT_NORMAL_DAMAGED:
/* XXX Actually I do not know. Maybe. */
- return FALSE;
+ return 0;
case GLUT_OVERLAY_DAMAGED:
return -1;