Make sure i810BufferSize returns uptodate values - fixes stencil resize

bug.

1 files changed, 7 insertions, 0 deletions

diff --git a/xc/lib/GL/mesa/src/drv/i810/i810dd.c b/xc/lib/GL/mesa/src/drv/i810/i810dd.c
index 73e518fb8..6261a888f 100644
--- a/xc/lib/GL/mesa/src/drv/i810/i810dd.c
+++ b/xc/lib/GL/mesa/src/drv/i810/i810dd.c
@@ -77,8 +77,15 @@ static GLint i810GetParameteri(const GLcontext *ctx, GLint param)
 static void i810BufferSize(GLcontext *ctx, GLuint *width, GLuint *height)
 {
    i810ContextPtr imesa = I810_CONTEXT(ctx);  
+
+   /* Need to lock to make sure the driDrawable is uptodate.  This
+    * information is used to resize Mesa's software buffers, so it has
+    * to be correct.
+    */
+   LOCK_HARDWARE(imesa);
    *width = imesa->driDrawable->w;
    *height = imesa->driDrawable->h;
+   UNLOCK_HARDWARE(imesa);
 }