[ff-cvs] libvob/vob/paper papermill.py

[Tuomas J. Lukka]

CVSROOT:        /cvsroot/libvob
Module name:    libvob
Branch:         
Changes by:     Tuomas J. Lukka <address@hidden>        03/09/04 08:32:32

Modified files:
        vob/paper      : papermill.py 

Log message:
        LOD kludge

CVSWeb URLs:
http://savannah.gnu.org/cgi-bin/viewcvs/libvob/libvob/vob/paper/papermill.py.diff?tr1=1.11&tr2=1.12&r1=text&r2=text

Patches:
Index: libvob/vob/paper/papermill.py
diff -u libvob/vob/paper/papermill.py:1.11 libvob/vob/paper/papermill.py:1.12
--- libvob/vob/paper/papermill.py:1.11  Tue Aug 26 06:19:26 2003
+++ libvob/vob/paper/papermill.py       Thu Sep  4 08:32:32 2003
@@ -78,6 +78,7 @@
 
 # The size of the texture for an optimized paper
 optimizedPaperSize=256
+optimizedPaperMaxLevel=7
 if not GL.workaroundStupidBuggyAtiDrivers:
     # With ATI drivers, we won't even try to optimize papers.
     # With others, create a stable offscreen surface on which
@@ -210,12 +211,21 @@
        """ % locals())
 
 
-       # Apparently, NV drivers 44.96 don't generate the last mipmap
-       # level right when I just say "RGB" here...
        tex.copyTexImage2D(optimizingWindow.getRenderingSurface(), 
                        "FRONT", "TEXTURE_2D", 0,
                        "RGB5", 0, 0, 
                            optimizedPaperSize, optimizedPaperSize, 0)
+
+       # Apparently, NV drivers 44.96 (maybe others) have some trouble
+       # with the 1x1 mipmap getting clobbered.
+       # Usually, that wouldn't be a problem, but papers will be viewed
+       # 1) at largely different scales
+       # 2) blurred for text background
+       # so this matters.
+       # We shall forbid the use of that mipmap
+       tex.setTexParameter("TEXTURE_2D", 
+               "TEXTURE_MAX_LEVEL", optimizedPaperMaxLevel)
+
 
        if dbg:
            vob.putil.texture.printTex(tex.getTexId())