[Mesa-dev] [PATCH 19/22] anv: Add a helper to determine sampling with HiZ

[Nanley Chery]

Signed-off-by: Nanley Chery <nanley.g.chery at intel.com>
---
 src/intel/vulkan/anv_private.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/intel/vulkan/anv_private.h b/src/intel/vulkan/anv_private.h
index 98692b5913..fc7b6d1ec8 100644
--- a/src/intel/vulkan/anv_private.h
+++ b/src/intel/vulkan/anv_private.h
@@ -1603,6 +1603,13 @@ struct anv_image {
    struct anv_surface aux_surface;
 };
 
+/* Returns true if a HiZ-enabled depth buffer can be sampled from. */
+static inline bool
+anv_can_sample_with_hiz(uint8_t gen, uint32_t samples)
+{
+   return gen >= 8 && samples == 1;
+}
+
 void
 anv_gen8_hiz_op_resolve(struct anv_cmd_buffer *cmd_buffer,
                         const struct anv_image *image,
-- 
2.11.0