This is a small helper function that asserts that a given level and layer
are valid for a miptree. I will be extensively using it in the future
miptree HiZ functions.
Signed-off-by: Chad Versace <chad.vers...@linux.intel.com>
---
src/mesa/drivers/dri/intel/intel_mipmap_tree.h | 13 +++++++++++++
1 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
index 8f0bc8d..6e31ba5 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
@@ -28,6 +28,8 @@
#ifndef INTEL_MIPMAP_TREE_H
#define INTEL_MIPMAP_TREE_H
+#include <assert.h>
+
#include "intel_regions.h"
/* A layer on top of the intel_regions code which adds:
@@ -188,6 +190,17 @@ intel_miptree_create_for_renderbuffer(struct intel_context
*intel,
uint32_t width,
uint32_t height);
+/** \brief Assert that the level and layer are valid for the miptree. */
+static inline void
+intel_miptree_check_level_layer(struct intel_mipmap_tree *mt,
+ uint32_t level,
+ uint32_t layer)
+{
+ assert(level >= mt->first_level);
+ assert(level <= mt->last_level);
+ assert(layer < mt->level[level].depth);
+}
+
int intel_miptree_pitch_align (struct intel_context *intel,
struct intel_mipmap_tree *mt,
uint32_t tiling,
--
1.7.7.1
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