only assert front/back pitch if double-buffered (bug 7663)

2006-06-29 15:44:13 +00:00
parent b10ea9843b
commit 787f4965a2
1 changed files with 3 additions and 1 deletions
@@ -336,7 +336,9 @@ calculate_buffer_parameters( struct via_context *vmesa,
   if( vmesa->viaScreen->width == vmesa->driDrawable->w && 
       vmesa->viaScreen->height == vmesa->driDrawable->h ) {
      vmesa->doPageFlip = vmesa->allowPageFlip;
-      assert(vmesa->back.pitch == vmesa->front.pitch);
+      if (vmesa->hasBack) {
+         assert(vmesa->back.pitch == vmesa->front.pitch);
+      }
   }
   else
      vmesa->doPageFlip = GL_FALSE;