---
src/intel/isl/isl.h | 20 ++++++++++++++++++++
src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 3 +--
2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index e77d7ee..d30b2de 100644
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1558,6 +1558,26 @@ isl_drm_modifier_has_aux(uint64_t modifier)
return isl_drm_modifier_get_info(modifier)->aux_usage != ISL_AUX_USAGE_NONE;
}
+/** Returns the default isl_aux_state for the given modifier.
+ *
+ * All modified images are required to be kept out of the AUX_INVALID state
+ * but they may or may not actually be compressed and may or may not have
+ * clear color. This function returns the worst case aux_state that we need
+ * to assume when getting a surface from another process or API.
+ */
+static inline enum isl_aux_state
+isl_drm_modifier_get_default_aux_state(uint64_t modifier)
+{
+ const struct isl_drm_modifier_info *mod_info =
+ isl_drm_modifier_get_info(modifier);
+
+ if (!mod_info || mod_info->aux_usage == ISL_AUX_USAGE_NONE)
+ return ISL_AUX_STATE_AUX_INVALID;
+
+ return mod_info->supports_clear_color ? ISL_AUX_STATE_COMPRESSED_CLEAR :
+ ISL_AUX_STATE_COMPRESSED_NO_CLEAR;
+}
+
uint64_t ATTRIBUTE_CONST
isl_drm_modifier_from_tiling(enum isl_tiling tiling,
enum isl_aux_usage aux_usage);
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 79afdc5..bc04ad6 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -1072,8 +1072,7 @@ intel_miptree_create_for_dri_image(struct brw_context
*brw,
* a worst case of compression.
*/
enum isl_aux_state initial_state =
- mod_info->supports_clear_color ? ISL_AUX_STATE_COMPRESSED_CLEAR :
- ISL_AUX_STATE_COMPRESSED_NO_CLEAR;
+ isl_drm_modifier_get_default_aux_state(image->modifier);
if (!create_ccs_buf_for_image(brw, image, mt, initial_state)) {
intel_miptree_release(&mt);
--
2.5.0.400.gff86faf
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