[Mesa-dev] [PATCH 10/14] i965: Add function to indicate when sampling with hiz is supported

[Jordan Justen]

Currently it indicates that this is never supported, but soon it will
be supported for gen8+.

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
---
 src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 10 ++++++++++
 src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  4 ++++
 2 files changed, 14 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 14c5381..880e41d 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1643,6 +1643,16 @@ intel_miptree_alloc_hiz(struct brw_context *brw,
 }
 
 /**
+ * Can the miptree sample using the hiz buffer?
+ */
+bool
+intel_miptree_sample_with_hiz(struct brw_context *brw,
+                              struct intel_mipmap_tree *mt)
+{
+   return false;
+}
+
+/**
  * Does the miptree slice have hiz enabled?
  */
 bool
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index d0cf65f..e4e5b66 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -717,6 +717,10 @@ void
 intel_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
 	       unsigned int level, unsigned int layer, enum gen6_hiz_op op);
 
+bool
+intel_miptree_sample_with_hiz(struct brw_context *brw,
+                              struct intel_mipmap_tree *mt);
+
 #ifdef __cplusplus
 }
 #endif
-- 
2.0.0