[Mesa-dev] [PATCH v2 24/24] intel/blorp: Use the hardware op for CCS ambiguate on gen10+

[Jason Ekstrand]

Completely untested.
---
 src/intel/blorp/blorp_clear.c     | 6 ++++++
 src/intel/blorp/blorp_genX_exec.h | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/src/intel/blorp/blorp_clear.c b/src/intel/blorp/blorp_clear.c
index e9f5463..c5b05b8 100644
--- a/src/intel/blorp/blorp_clear.c
+++ b/src/intel/blorp/blorp_clear.c
@@ -893,6 +893,12 @@ blorp_ccs_ambiguate(struct blorp_batch *batch,
                     struct blorp_surf *surf,
                     uint32_t level, uint32_t layer)
 {
+   if (ISL_DEV_GEN(batch->blorp->isl_dev) >= 10) {
+      /* On gen10 and above, we have a hardware resolve op for this */
+      return blorp_ccs_resolve(batch, surf, level, layer, 1,
+                               surf->surf->format, ISL_AUX_OP_AMBIGUATE);
+   }
+
    struct blorp_params params;
    blorp_params_init(&params);
 
diff --git a/src/intel/blorp/blorp_genX_exec.h b/src/intel/blorp/blorp_genX_exec.h
index 5e1312a..8e6874e 100644
--- a/src/intel/blorp/blorp_genX_exec.h
+++ b/src/intel/blorp/blorp_genX_exec.h
@@ -752,6 +752,11 @@ blorp_emit_ps_config(struct blorp_batch *batch,
       switch (params->fast_clear_op) {
       case ISL_AUX_OP_NONE:
          break;
+#if GEN_GEN >= 10
+      case ISL_AUX_OP_AMBIGUATE:
+         ps.RenderTargetResolveType = FAST_CLEAR_0;
+         break;
+#endif
 #if GEN_GEN >= 9
       case ISL_AUX_OP_PARTIAL_RESOLVE:
          ps.RenderTargetResolveType = RESOLVE_PARTIAL;
-- 
2.5.0.400.gff86faf