i965: enable INTEL_blackhole_render

[mesa.git] / src / mesa / drivers / dri / i965 / intel_batchbuffer.c

diff --git a/src/mesa/drivers/dri/i965/intel_batchbuffer.c b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
index d5676e9cb9f234fabed512cc12a541d008935930..f1465ed355636fbb72ae4a6ae893af58851da9c9 100644 (file)
--- a/src/mesa/drivers/dri/i965/intel_batchbuffer.c
+++ b/src/mesa/drivers/dri/i965/intel_batchbuffer.c
@@ -573,6 +573,8 @@ brw_new_batch(struct brw_context *brw)
     */
    if (INTEL_DEBUG & DEBUG_SHADER_TIME)
       brw_collect_and_report_shader_time(brw);
+
+   intel_batchbuffer_maybe_noop(brw);
 }
 
 /**
@@ -891,6 +893,17 @@ _intel_batchbuffer_flush_fence(struct brw_context *brw,
    return ret;
 }
 
+void
+intel_batchbuffer_maybe_noop(struct brw_context *brw)
+{
+   if (!brw->frontend_noop || USED_BATCH(brw->batch) != 0)
+      return;
+
+   BEGIN_BATCH(1);
+   OUT_BATCH(MI_BATCH_BUFFER_END);
+   ADVANCE_BATCH();
+}
+
 bool
 brw_batch_references(struct intel_batchbuffer *batch, struct brw_bo *bo)
 {