intel/isl: Add support to emit clear value address.

gen10 can emit the clear color by setting it on a buffer somewhere, and
then adding only the address to the surface state.

This commit add support for that on isl_surf_fill_state, and if that is
requested, skip setting the clear value itself.

v2: Add assert to make sure we are at least on gen10.

Signed-off-by: Rafael Antognolli <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index 2edf0522e32..c50b78d4701 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1308,6 +1308,15 @@ struct isl_surf_fill_state_info {
    union isl_color_value clear_color;
 
    /**
+    * Send only the clear value address
+    *
+    * If set, we only pass the clear address to the GPU and it will fetch it
+    * from wherever it is.
+    */
+   bool use_clear_address;
+   uint64_t clear_address;
+
+   /**
     * Surface write disables for gen4-5
     */
    isl_channel_mask_t write_disables;