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authorBrian Paul <brian.paul@tungstengraphics.com>2006-07-03 23:08:33 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2006-07-03 23:08:33 +0000
commit77afb435191cdaa0446aa65871c8ef995500bbcc (patch)
tree5c22f95cdb05a3fde7b51d4e030e59dfec1dfec0 /src
parent46c1419c9342f68755636208307ee6bbd5c0cc24 (diff)
additional clipping/viewport fixes (Martijn van Oosterhout)
Diffstat (limited to 'src')
-rw-r--r--src/mesa/drivers/dri/r128/r128_state.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r128/r128_state.c b/src/mesa/drivers/dri/r128/r128_state.c
index 05ab3890d2..491f288ffb 100644
--- a/src/mesa/drivers/dri/r128/r128_state.c
+++ b/src/mesa/drivers/dri/r128/r128_state.c
@@ -608,6 +608,14 @@ static void r128UpdateClipping( GLcontext *ctx )
y1 = 0;
else if ( y1 >= rmesa->driScreen->fbHeight )
y1 = rmesa->driScreen->fbHeight - 1;
+ if ( x2 < 0 )
+ x2 = 0;
+ else if ( x2 >= rmesa->driScreen->fbWidth )
+ x2 = rmesa->driScreen->fbWidth - 1;
+ if ( y2 < 0 )
+ y2 = 0;
+ else if ( y2 >= rmesa->driScreen->fbHeight )
+ y2 = rmesa->driScreen->fbHeight - 1;
rmesa->setup.sc_top_left_c = (((y1 & 0x3FFF) << 16) | (x1 & 0x3FFF));
rmesa->setup.sc_bottom_right_c = (((y2 & 0x3FFF) << 16) | (x2 & 0x3FFF));
@@ -1226,7 +1234,10 @@ void r128DDUpdateHWState( GLcontext *ctx )
r128UpdateMasks( ctx );
if ( new_state & R128_NEW_WINDOW )
+ {
r128UpdateWindow( ctx );
+ r128CalcViewport( ctx );
+ }
if ( rmesa->NewGLState & _NEW_TEXTURE ) {
r128UpdateTextureState( ctx );