usage of glPushAttrib(GL_VIEWPORT_BIT) to save the viewport settings.

git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@1219 b956fd51-792f-4845-bead-9b4dfca2ff2c

1 files changed, 5 insertions, 2 deletions

diff --git a/Game/Code/Menu/UDisplay.pas b/Game/Code/Menu/UDisplay.pas
index 953282d7..67eed740 100644
--- a/Game/Code/Menu/UDisplay.pas
+++ b/Game/Code/Menu/UDisplay.pas
@@ -177,7 +177,8 @@ begin
         //Create Fading texture if we're just starting
         if FadeState = 0 then
         begin
-          // resize viewport to fit texture
+          // save old viewport and resize to fit texture
+          glPushAttrib(GL_VIEWPORT_BIT);
           glViewPort(0, 0, 512, 512);
 
           // draw screen that will be faded
@@ -196,7 +197,9 @@ begin
             FadeFailed := true;
             Log.LogWarn('Fading disabled: ' + gluErrorString(glError), 'TDisplay.Draw');
           end;
-          glViewPort((S-1) * ScreenW div Screens, 0, ScreenW div Screens, ScreenH);
+
+          // restore viewport
+          glPopAttrib();
 
           // blackscreen-hack
           if not BlackScreen then