[Mesa-dev] [PATCH 04/29] anv/blorp: Rework HiZ ops to look like MCS and CCS

[Jason Ekstrand]

---
 src/intel/vulkan/anv_blorp.c       | 38 ++++++++++++++++++++++----------------
 src/intel/vulkan/anv_private.h     |  9 +++++----
 src/intel/vulkan/genX_cmd_buffer.c | 11 ++++++-----
 3 files changed, 33 insertions(+), 25 deletions(-)

diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c
index f10adf0..da273d6 100644
--- a/src/intel/vulkan/anv_blorp.c
+++ b/src/intel/vulkan/anv_blorp.c
@@ -1568,26 +1568,30 @@ anv_image_copy_to_shadow(struct anv_cmd_buffer *cmd_buffer,
    blorp_batch_finish(&batch);
 }
 
-void
-anv_gen8_hiz_op_resolve(struct anv_cmd_buffer *cmd_buffer,
-                        const struct anv_image *image,
-                        enum blorp_hiz_op op)
+static enum blorp_hiz_op
+isl_to_blorp_hiz_op(enum isl_aux_op isl_op)
 {
-   assert(image);
+   switch (isl_op) {
+   case ISL_AUX_OP_FAST_CLEAR:   return BLORP_HIZ_OP_DEPTH_CLEAR;
+   case ISL_AUX_OP_FULL_RESOLVE: return BLORP_HIZ_OP_DEPTH_RESOLVE;
+   case ISL_AUX_OP_AMBIGUATE:    return BLORP_HIZ_OP_HIZ_RESOLVE;
+   default:
+      unreachable("Unsupported HiZ aux op");
+   }
+}
 
+void
+anv_image_hiz_op(struct anv_cmd_buffer *cmd_buffer,
+                 const struct anv_image *image,
+                 VkImageAspectFlagBits aspect, uint32_t level,
+                 uint32_t base_layer, uint32_t layer_count,
+                 enum isl_aux_op hiz_op)
+{
+   assert(aspect == VK_IMAGE_ASPECT_DEPTH_BIT);
+   assert(base_layer + layer_count <= anv_image_aux_layers(image, aspect, 0));
    assert(anv_image_aspect_to_plane(image->aspects,
                                     VK_IMAGE_ASPECT_DEPTH_BIT) == 0);
 
-   /* Don't resolve depth buffers without an auxiliary HiZ buffer and
-    * don't perform such a resolve on gens that don't support it.
-    */
-   if (cmd_buffer->device->info.gen < 8 ||
-       image->planes[0].aux_usage != ISL_AUX_USAGE_HIZ)
-      return;
-
-   assert(op == BLORP_HIZ_OP_HIZ_RESOLVE ||
-          op == BLORP_HIZ_OP_DEPTH_RESOLVE);
-
    struct blorp_batch batch;
    blorp_batch_init(&cmd_buffer->device->blorp, &batch, cmd_buffer, 0);
 
@@ -1597,7 +1601,9 @@ anv_gen8_hiz_op_resolve(struct anv_cmd_buffer *cmd_buffer,
                                 ISL_AUX_USAGE_HIZ, &surf);
    surf.clear_color.f32[0] = ANV_HZ_FC_VAL;
 
-   blorp_hiz_op(&batch, &surf, 0, 0, 1, op);
+   blorp_hiz_op(&batch, &surf, level, base_layer, layer_count,
+                isl_to_blorp_hiz_op(hiz_op));
+
    blorp_batch_finish(&batch);
 }
 
diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index dc44ab6..5dd95a3 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -2530,10 +2530,11 @@ anv_can_sample_with_hiz(const struct gen_device_info * const devinfo,
 }
 
 void
-anv_gen8_hiz_op_resolve(struct anv_cmd_buffer *cmd_buffer,
-                        const struct anv_image *image,
-                        enum blorp_hiz_op op);
-
+anv_image_hiz_op(struct anv_cmd_buffer *cmd_buffer,
+                 const struct anv_image *image,
+                 VkImageAspectFlagBits aspect, uint32_t level,
+                 uint32_t base_layer, uint32_t layer_count,
+                 enum isl_aux_op hiz_op);
 void
 anv_image_mcs_op(struct anv_cmd_buffer *cmd_buffer,
                  const struct anv_image *image,
diff --git a/src/intel/vulkan/genX_cmd_buffer.c b/src/intel/vulkan/genX_cmd_buffer.c
index 2e7a2cc..0c1ae83 100644
--- a/src/intel/vulkan/genX_cmd_buffer.c
+++ b/src/intel/vulkan/genX_cmd_buffer.c
@@ -388,19 +388,20 @@ transition_depth_buffer(struct anv_cmd_buffer *cmd_buffer,
       anv_layout_to_aux_usage(&cmd_buffer->device->info, image,
                               VK_IMAGE_ASPECT_DEPTH_BIT, final_layout);
 
-   enum blorp_hiz_op hiz_op;
+   enum isl_aux_op hiz_op;
    if (hiz_enabled && !enable_hiz) {
-      hiz_op = BLORP_HIZ_OP_DEPTH_RESOLVE;
+      hiz_op = ISL_AUX_OP_FULL_RESOLVE;
    } else if (!hiz_enabled && enable_hiz) {
-      hiz_op = BLORP_HIZ_OP_HIZ_RESOLVE;
+      hiz_op = ISL_AUX_OP_AMBIGUATE;
    } else {
       assert(hiz_enabled == enable_hiz);
       /* If the same buffer will be used, no resolves are necessary. */
-      hiz_op = BLORP_HIZ_OP_NONE;
+      hiz_op = ISL_AUX_OP_NONE;
    }
 
    if (hiz_op != BLORP_HIZ_OP_NONE)
-      anv_gen8_hiz_op_resolve(cmd_buffer, image, hiz_op);
+      anv_image_hiz_op(cmd_buffer, image, VK_IMAGE_ASPECT_DEPTH_BIT,
+                       0, 0, 1, hiz_op);
 }
 
 #define MI_PREDICATE_SRC0  0x2400
-- 
2.5.0.400.gff86faf