Nvidia workarounds

- partially working workaround for nvidia bug on Os X 10.4.3
- brought back the raster ops hack for GT6800 with proper driver version
  check so that text works both on Os X 10.4.3 and older systems.
  this last patch was given by Kent Miller from Apple

intern/bmfont/intern/BMF_BitmapFont.cpp

@@ -59,6 +59,86 @@
 #include "BMF_BitmapFont.h"
 
 
+#ifdef __APPLE__	 
+#include <stdio.h>
+
+static int needs_nvidia_rasterpos_workaround(void)
+{
+	static int well_is_it= -1;
+	
+	if (well_is_it==-1)
+	{
+		well_is_it= (strncmp((char *)glGetString(GL_RENDERER), "NVIDIA GeForce 6800", 18) == 0);
+		if ( well_is_it != 0)
+		{
+			const GLubyte* vers = glGetString(GL_VERSION);
+			const GLubyte* v = vers;
+			int major = 0, minor = 0, sub = 0;
+			
+			//advance to the '-'
+			while ((*v != 0) && (*v!='-'))
+				v++;
+			
+			if (*v == '-')
+			{
+				int i = 0;
+				v++;
+				
+				while ((v[i] <= '9') && (v[i] >= '0'))
+				{
+					major *=10;
+					major += v[i]-'0';
+					i++;
+				}
+				
+				if (v[i] == '.')
+				{
+					i++;
+					while ((v[i] <= '9') && (v[i] >= '0'))
+					{
+						minor *=10;
+						minor += v[i]-'0';
+						i++;
+					}
+				}
+				else
+					major = -1;
+				
+				if (v[i] == '.')
+				{
+					i++;
+					while ((v[i] <= '9') && (v[i] >= '0'))
+					{
+						sub *=10;
+						sub += v[i]-'0';
+						i++;
+					}
+				}
+				else
+					minor = -1;
+			}
+
+			//OS X 10.4.3 is the first version that contained the fix for this problem
+			// and the 6800's driver version in it is 1.4.16.  So anything after that
+			// doesn't need the workaround
+
+			if ( (major == -1) || (minor == -1))
+			//If anything went wrong don't do the workaround
+			//
+				well_is_it = 0;
+			else if ( (major <= 1) && (minor <= 4) && (sub < 16))
+				well_is_it = 1;
+			else
+				well_is_it = 0;
+		}	
+	}
+
+	return well_is_it;
+}
+
+
+#endif
+
 BMF_BitmapFont::BMF_BitmapFont(BMF_FontData* fontData)
 : m_fontData(fontData)
 {
@@ -74,6 +154,18 @@ void BMF_BitmapFont::DrawString(char* str)
 	GLint alignment;
 	unsigned char c;
 
+#ifdef __APPLE__	 
+     GLint vp[4];  // hack stuff	 
+     GLubyte nullm = 0;      // hack stuff	 
+ 	 
+     if(needs_nvidia_rasterpos_workaround()) {	 // was is_a_really_crappy_nvidia_card()
+             glGetIntegerv(GL_VIEWPORT, vp);   // hack stuff	 
+ 	 
+             glBitmap(1, 1, 0, 0, -vp[0], vp[1], &nullm);	 
+ 	 
+         }	 
+ #endif
+ 
  	glGetIntegerv(GL_UNPACK_ALIGNMENT, &alignment);
 	glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
 	

intern/ghost/intern/GHOST_SystemCarbon.cpp

@@ -655,6 +655,7 @@ OSStatus GHOST_SystemCarbon::handleWindowEvent(EventRef event)
 			case kEventWindowActivated:
 				m_windowManager->setActiveWindow(window);
 				window->loadCursor(window->getCursorVisibility(), window->getCursorShape());
+				window->updateDrawingContext();
 				pushEvent( new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowActivate, window) );
 				break;
 			case kEventWindowDeactivated:
@@ -663,6 +664,7 @@ OSStatus GHOST_SystemCarbon::handleWindowEvent(EventRef event)
 				break;
 			case kEventWindowUpdate:
 				//if (getFullScreen()) GHOST_PRINT("GHOST_SystemCarbon::handleWindowEvent(): full-screen update event\n");
+				window->updateDrawingContext();
 				pushEvent( new GHOST_Event(getMilliSeconds(), GHOST_kEventWindowUpdate, window) );
 				break;
 			case kEventWindowBoundsChanged:

source/blender/src/ghostwinlay.c

@@ -359,6 +359,8 @@ Window *window_open(char *title, int posx, int posy, int sizex, int sizey, int s
 			
 			win->lmouse[0]= win->size[0]/2;
 			win->lmouse[1]= win->size[1]/2;
+			
+			
 		} else {
 			GHOST_DisposeWindow(g_system, ghostwin);
 		}