1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index 47e413b..5c3a3a8 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -219,6 +219,18 @@ void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe )
                                           llvmpipe->num_samplers[PIPE_SHADER_FRAGMENT],
                                           llvmpipe->samplers[PIPE_SHADER_FRAGMENT]);
 
+   if (llvmpipe->dirty & LP_NEW_VIEWPORT) {
+      /*
+       * Update setup and fragment's view of the active viewport state.
+       *
+       * XXX TODO: It is possible to only loop over the active viewports
+       *           instead of all viewports (PIPE_MAX_VIEWPORTS).
+       */
+      lp_setup_set_viewports(llvmpipe->setup,
+                             PIPE_MAX_VIEWPORTS,
+                             llvmpipe->viewports);
+   }
+
    llvmpipe->dirty = 0;
 }