X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Ffreeglut_init.c;h=cdb9e66be9d872361df5511a10dc45a1074b57dd;hb=b6817e508c50718ac93da48d14ac2ba7092ed954;hp=768f89e7bcec755e285f744b32e8486acbe37296;hpb=fd77927b8883b81cc4a7bcb79f216e524043407d;p=freeglut

diff --git a/src/freeglut_init.c b/src/freeglut_init.c
index 768f89e..cdb9e66 100644
--- a/src/freeglut_init.c
+++ b/src/freeglut_init.c
@@ -25,6 +25,7 @@
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#define FREEGLUT_BUILDING_LIB
 #include <GL/freeglut.h>
 #include "freeglut_internal.h"
 
@@ -83,12 +84,17 @@ SFG_State fgState = { { -1, -1, GL_FALSE },  /* Position */
                       GLUT_EXEC_STATE_INIT,   /* ExecState */
                       NULL,                   /* ProgramName */
                       GL_FALSE,               /* JoysticksInitialised */
+                      0,                      /* NumActiveJoysticks */
                       GL_FALSE,               /* InputDevsInitialised */
+                      0,                      /* MouseWheelTicks */
                       1,                      /* AuxiliaryBufferNumber */
                       4,                      /* SampleNumber */
                       1,                      /* MajorVersion */
-                      0,                      /* MajorVersion */
-                      0                       /* ContextFlags */
+                      0,                      /* MinorVersion */
+                      0,                      /* ContextFlags */
+                      0,                      /* ContextProfile */
+                      NULL,                   /* ErrorFunc */
+                      NULL                    /* WarningFunc */
 };
 
 
@@ -308,7 +314,7 @@ static void fghInitialize( const char* displayName )
 
     /* What we need to do is to initialize the fgDisplay global structure here. */
     fgDisplay.Instance = GetModuleHandle( NULL );
-
+    fgDisplay.DisplayName=strdup(displayName);
     atom = GetClassInfo( fgDisplay.Instance, _T("FREEGLUT"), &wc );
 
     if( atom == 0 )
@@ -360,13 +366,31 @@ static void fghInitialize( const char* displayName )
 
         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;
+    atexit(fgDeinitialize);
 
     /* InputDevice uses GlutTimerFunc(), so fgState.Initialised must be TRUE */
     fgInitialiseInputDevices();
@@ -381,8 +405,6 @@ void fgDeinitialize( void )
 
     if( !fgState.Initialised )
     {
-        fgWarning( "fgDeinitialize(): "
-                   "no valid initialization has been performed" );
         return;
     }
 
@@ -421,9 +443,12 @@ void fgDeinitialize( void )
     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;
 
@@ -485,6 +510,11 @@ void fgDeinitialize( void )
     XCloseDisplay( fgDisplay.Display );
 
 #elif TARGET_HOST_MS_WINDOWS
+    if( fgDisplay.DisplayName )
+    {
+        free( fgDisplay.DisplayName );
+        fgDisplay.DisplayName = NULL;
+    }
 
     /* Reset the timer granularity */
     timeEndPeriod ( 1 );
@@ -697,6 +727,7 @@ void FGAPIENTRY glutInit( int* pargc, char** argv )
 #ifndef _WIN32_WCE
     {
         const char *fps = getenv( "GLUT_FPS" );
+
         if( fps )
         {
             int interval;
@@ -709,7 +740,7 @@ void FGAPIENTRY glutInit( int* pargc, char** argv )
         }
     }
 
-    displayName = getenv( "DISPLAY");
+    displayName = getenv( "DISPLAY" );
 
     for( i = 1; i < argc; i++ )
     {
@@ -824,6 +855,16 @@ 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
  */
@@ -898,6 +939,7 @@ void FGAPIENTRY glutInitDisplayString( const char* displayMode )
     buffer[len] = '\0';
 
     token = strtok ( buffer, " \t" );
+
     while ( token )
     {
         /* Process this token */
@@ -1099,4 +1141,30 @@ void FGAPIENTRY glutInitContextFlags( int flags )
     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 ***/