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-rw-r--r--src/intel/vulkan/anv_blorp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_blorp.c b/src/intel/vulkan/anv_blorp.c
index b161400db57..2edd0712c95 100644
--- a/src/intel/vulkan/anv_blorp.c
+++ b/src/intel/vulkan/anv_blorp.c
@@ -1271,6 +1271,15 @@ anv_cmd_buffer_clear_subpass(struct anv_cmd_buffer *cmd_buffer)
* ANV_HZ_FC_VAL.
*/
clear_with_hiz = false;
+ } else if (gen == 8 &&
+ anv_can_sample_with_hiz(cmd_buffer->device->info.gen,
+ iview->image->samples)) {
+ /* Only gen9+ supports returning ANV_HZ_FC_VAL when sampling a
+ * fast-cleared portion of a HiZ buffer. Testing has revealed
+ * that Gen8 only supports returning 0.0f. Gens prior to gen8 do
+ * not support this feature at all.
+ */
+ clear_with_hiz = false;
}
}