[Mesa-dev] [PATCH 1/2] i965/gen10: Don't set Smooth Point Enable in 3DSTATE_SF if num_samples > 1

[Anuj Phogat]

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
---
 src/mesa/drivers/dri/i965/genX_state_upload.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c
index 4ccfd48919..b6e800aa90 100644
--- a/src/mesa/drivers/dri/i965/genX_state_upload.c
+++ b/src/mesa/drivers/dri/i965/genX_state_upload.c
@@ -1626,6 +1626,16 @@ genX(upload_sf)(struct brw_context *brw)
          sf.SmoothPointEnable = true;
 #endif
 
+#if GEN_GEN == 10
+      /* _NEW_MULTISAMPLE
+       * Smooth Point Enable bit MUST not be set when NUM_MULTISAMPLES > 1.
+       */
+      const bool multisampled_fbo =
+      _mesa_geometric_samples(ctx->DrawBuffer) > 1;
+      if (multisampled_fbo)
+         sf.SmoothPointEnable = false;
+#endif
+
 #if GEN_IS_G4X || GEN_GEN >= 5
       sf.AALineDistanceMode = AALINEDISTANCE_TRUE;
 #endif
-- 
2.13.5