i965/blorp: Make post draw flush more explicit

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

diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c
index 43ac3be2b922fdf6da4b06ca3af8486a444f89fa..d79f529fdc21248cdb097dd6c8ab1d5036c16a44 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -808,7 +808,7 @@ do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
    if (set_write_disables(irb, ctx->Color.ColorMask[buf], color_write_disable))
       can_fast_clear = false;
 
-   if (irb->mt->no_ccs ||
+   if (irb->mt->aux_disable & INTEL_AUX_DISABLE_CCS ||
        !brw_is_color_fast_clear_compatible(brw, irb->mt, &ctx->Color.ClearColor))
       can_fast_clear = false;
 
@@ -908,6 +908,17 @@ do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
       blorp_batch_finish(&batch);
    }
 
+   /*
+    * Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render Target(s)":
+    *
+    *  Any transition from any value in {Clear, Render, Resolve} to a
+    *  different value in {Clear, Render, Resolve} requires end of pipe
+    *  synchronization.
+    */
+   brw_emit_pipe_control_flush(brw,
+                               PIPE_CONTROL_RENDER_TARGET_FLUSH |
+                               PIPE_CONTROL_CS_STALL);
+
    return true;
 }
 
@@ -975,6 +986,17 @@ brw_blorp_resolve_color(struct brw_context *brw, struct intel_mipmap_tree *mt,
                      brw_blorp_to_isl_format(brw, format, true),
                      resolve_op);
    blorp_batch_finish(&batch);
+
+   /*
+    * Ivybrigde PRM Vol 2, Part 1, "11.7 MCS Buffer for Render Target(s)":
+    *
+    *  Any transition from any value in {Clear, Render, Resolve} to a
+    *  different value in {Clear, Render, Resolve} requires end of pipe
+    *  synchronization.
+    */
+   brw_emit_pipe_control_flush(brw,
+                               PIPE_CONTROL_RENDER_TARGET_FLUSH |
+                               PIPE_CONTROL_CS_STALL);
 }
 
 static void