isl: add gen12 comment about CCS for linear tiling

[mesa.git] / src / intel / isl / isl.h

diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h
index bcb46b12266894c76ee11f3904f020a50d5a25a4..86fb7f1ad8a776c6a8028776cc06f45046360cb4 100644 (file)
--- a/src/intel/isl/isl.h
+++ b/src/intel/isl/isl.h
@@ -1015,6 +1015,11 @@ struct isl_device {
       uint8_t stencil_offset;
       uint8_t hiz_offset;
    } ds;
+
+   struct {
+      uint32_t internal;
+      uint32_t external;
+   } mocs;
 };
 
 struct isl_extent2d {
@@ -1445,6 +1450,11 @@ struct isl_depth_stencil_hiz_emit_info {
     * The depth clear value
     */
    float depth_clear_value;
+
+   /**
+    * Track stencil aux usage for Gen >= 12
+    */
+   enum isl_aux_usage stencil_aux_usage;
 };
 
 extern const struct isl_format_layout isl_format_layouts[];
@@ -1692,6 +1702,20 @@ isl_aux_usage_has_ccs(enum isl_aux_usage usage)
           usage == ISL_AUX_USAGE_MCS_CCS;
 }
 
+static inline bool
+isl_aux_state_has_valid_primary(enum isl_aux_state state)
+{
+   return state == ISL_AUX_STATE_RESOLVED ||
+          state == ISL_AUX_STATE_PASS_THROUGH ||
+          state == ISL_AUX_STATE_AUX_INVALID;
+}
+
+static inline bool
+isl_aux_state_has_valid_aux(enum isl_aux_state state)
+{
+   return state != ISL_AUX_STATE_AUX_INVALID;
+}
+
 const struct isl_drm_modifier_info * ATTRIBUTE_CONST
 isl_drm_modifier_get_info(uint64_t modifier);
 
@@ -2080,6 +2104,27 @@ isl_surf_get_image_offset_B_tile_sa(const struct isl_surf *surf,
                                     uint32_t *x_offset_sa,
                                     uint32_t *y_offset_sa);
 
+/**
+ * Calculate the range in bytes occupied by a subimage, to the nearest tile.
+ *
+ * The range returned will be the smallest memory range in which the give
+ * subimage fits, rounded to even tiles.  Intel images do not usually have a
+ * direct subimage -> range mapping so the range returned may contain data
+ * from other sub-images.  The returned range is a half-open interval where
+ * all of the addresses within the subimage are < end_tile_B.
+ *
+ * @invariant level < surface levels
+ * @invariant logical_array_layer < logical array length of surface
+ * @invariant logical_z_offset_px < logical depth of surface at level
+ */
+void
+isl_surf_get_image_range_B_tile(const struct isl_surf *surf,
+                                uint32_t level,
+                                uint32_t logical_array_layer,
+                                uint32_t logical_z_offset_px,
+                                uint32_t *start_tile_B,
+                                uint32_t *end_tile_B);
+
 /**
  * Create an isl_surf that represents a particular subimage in the surface.
  *