Fixing Bug Report [ 1160442 ] glutGet(GLUT_ELAPSED_TIME) is too granular

[freeglut] / src / freeglut_init.c

diff --git a/src/freeglut_init.c b/src/freeglut_init.c
index d5a5aa6..89e4c43 100644 (file)
--- a/src/freeglut_init.c
+++ b/src/freeglut_init.c
@@ -196,6 +196,9 @@ static void fghInitialize( const char* displayName )
         ReleaseDC( desktop, context );
     }
 
+    /* Set the timer granularity to 1 ms */
+    timeBeginPeriod ( 1 );
+
 #endif
 
     fgState.Initialised = GL_TRUE;
@@ -289,7 +292,6 @@ void fgDeinitialize( void )
         fgState.ProgramName = NULL;
     }
 
-
 #if TARGET_HOST_UNIX_X11
 
     /*
@@ -304,6 +306,11 @@ void fgDeinitialize( void )
      */
     XCloseDisplay( fgDisplay.Display );
 
+#elif TARGET_HOST_WIN32 || TARGET_HOST_WINCE
+
+    /* Reset the timer granularity */
+    timeEndPeriod ( 1 );
+
 #endif
 
     fgState.Initialised = GL_FALSE;
@@ -687,18 +694,7 @@ static char* Tokens[] =
     "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"
 };
 
 void FGAPIENTRY glutInitDisplayString( const char* displayMode )
@@ -721,7 +717,7 @@ void FGAPIENTRY glutInitDisplayString( const char* displayMode )
         int i ;
         for ( i = 0; i < NUM_TOKENS; i++ )
         {
-            if ( strncmp ( token, Tokens[i], TokenLengths[i] ) == 0 ) break ;
+            if ( strcmp ( token, Tokens[i] ) == 0 ) break ;
         }
 
         switch ( i )
@@ -874,7 +870,11 @@ void FGAPIENTRY glutInitDisplayString( const char* displayMode )
 #endif
             break ;
 
-        case 36 :  /* Unrecognized */
+        case 36 :  /* "aux":  some number of aux buffers */
+            glut_state_flag |= GLUT_AUX1;
+            break ;
+
+        case 37 :  /* Unrecognized */
             fgWarning ( "WARNING - Display string token not recognized:  %s",
                         token );
             break ;