--- deliantra/Deliantra-Client/DC/Texture.pm	2007/07/19 23:29:17	1.21
+++ deliantra/Deliantra-Client/DC/Texture.pm	2007/07/24 00:11:18	1.22
@@ -142,6 +142,7 @@
 
    # decide the amount of space used in the texture
    my ($rw, $rh);
+   my ($ox, $oy); # area shift to lessen effetc of buggy opengl implementations (nvida, ati)
    my $render;
 
    if ($self->{render_cb}) {
@@ -165,7 +166,10 @@
    }
 
    if ($render) {
-      glViewport 0, 0, $tw, $th;
+      $ox = int .5 * ($::WIDTH  - $tw);
+      $oy = int .5 * ($::HEIGHT - $th);
+
+      glViewport $ox, $oy, $tw, $th;
       #glScissor 0, 0, $tw, $th;
       #glEnable GL_SCISSOR_TEST;
       glMatrixMode GL_PROJECTION;
@@ -181,6 +185,7 @@
          glClearColor 0, 0, 0, 0;
          glClear GL_COLOR_BUFFER_BIT;
          glPixelZoom $tw / $dw, $th / $dh;
+         glRasterPos 0, 0;
          glDrawPixels $dw, $dh,
                       $self->{format},
                       $self->{type},
@@ -217,7 +222,7 @@
    if ($render) {
       glCopyTexImage2D GL_TEXTURE_2D, 0,
                    $self->{internalformat},
-                   0, 0,
+                   $ox, $oy,
                    $tw, $th,
                    0;
       gl_check "copying to texture %dx%d if=%x",