X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fintel%2Fintel_mipmap_tree.h;h=b7376e03055f22c0d5baa7f0a71cbd3a77ba6569;hb=bdf13dc8324c391b7d34f8bdaea72c4452ab7edb;hp=27540bc182fde5f2366f08bd9ddbf07b8219a607;hpb=163b35e416349c0f079aa6a92eb0bade2cabf5bc;p=mesa.git

diff --git a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
index 27540bc182f..b7376e03055 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
@@ -66,6 +66,17 @@ extern "C" {
 struct intel_resolve_map;
 struct intel_texture_image;
 
+/**
+ * When calling intel_miptree_map() on an ETC-transcoded-to-RGB miptree or a
+ * depthstencil-split-to-separate-stencil miptree, we'll normally make a
+ * tmeporary and recreate the kind of data requested by Mesa core, since we're
+ * satisfying some glGetTexImage() request or something.
+ *
+ * However, occasionally you want to actually map the miptree's current data
+ * without transcoding back.  This flag to intel_miptree_map() gets you that.
+ */
+#define BRW_MAP_DIRECT_BIT	0x80000000
+
 struct intel_miptree_map {
    /** Bitfield of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT, GL_MAP_INVALIDATE_BIT */
    GLbitfield mode;
@@ -141,6 +152,15 @@ struct intel_mipmap_level
        * intel_miptree_map/unmap on this slice.
        */
       struct intel_miptree_map *map;
+
+      /**
+       * \brief Is HiZ enabled for this slice?
+       *
+       * If \c mt->level[l].slice[s].has_hiz is set, then (1) \c mt->hiz_mt
+       * has been allocated and (2) the HiZ memory corresponding to this slice
+       * resides at \c mt->hiz_mt->level[l].slice[s].
+       */
+      bool has_hiz;
    } *slice;
 };
 
@@ -322,9 +342,11 @@ struct intel_mipmap_tree
    /**
     * \brief HiZ miptree
     *
-    * This is non-null only if HiZ is enabled for this miptree.
+    * The hiz miptree contains the miptree's hiz buffer. To allocate the hiz
+    * miptree, use intel_miptree_alloc_hiz().
     *
-    * \see intel_miptree_alloc_hiz()
+    * To determine if hiz is enabled, do not check this pointer. Instead, use
+    * intel_miptree_slice_has_hiz().
     */
    struct intel_mipmap_tree *hiz_mt;
 
@@ -360,20 +382,6 @@ struct intel_mipmap_tree
     */
    struct intel_mipmap_tree *mcs_mt;
 
-   /**
-    * \brief The miptree contains uncompressed data that was originally
-    * ETC1/ETC2 data.
-    *
-    * On hardware that lacks support for ETC1/ETC2 textures, we do the following
-    * on calls to glCompressedTexImage2D() with an ETC1/ETC2 texture format:
-    *   1. Create a miptree whose format is a suitable uncompressed mesa format
-    *      with the wraps_etc flag set.
-    *   2. Translate the ETC1/ETC2 data into uncompressed mesa format.
-    *   3. Store the uncompressed  data into the miptree and discard the ETC1/ETC2
-    *      data.
-    */
-   bool wraps_etc;
-
    /* These are also refcounted:
     */
    GLuint refcount;
@@ -485,7 +493,7 @@ void intel_miptree_set_image_offset(struct intel_mipmap_tree *mt,
 void
 intel_miptree_copy_teximage(struct intel_context *intel,
                             struct intel_texture_image *intelImage,
-                            struct intel_mipmap_tree *dst_mt);
+                            struct intel_mipmap_tree *dst_mt, bool invalidate);
 
 /**
  * Copy the stencil data from \c mt->stencil_mt->region to \c mt->region for
@@ -532,8 +540,12 @@ intel_miptree_alloc_mcs(struct intel_context *intel,
 
 bool
 intel_miptree_alloc_hiz(struct intel_context *intel,
-			struct intel_mipmap_tree *mt,
-                        GLuint num_samples);
+			struct intel_mipmap_tree *mt);
+
+bool
+intel_miptree_slice_has_hiz(struct intel_mipmap_tree *mt,
+                            uint32_t level,
+                            uint32_t layer);
 
 void
 intel_miptree_slice_set_needs_hiz_resolve(struct intel_mipmap_tree *mt,
@@ -593,6 +605,12 @@ void i945_miptree_layout(struct intel_mipmap_tree *mt);
 void brw_miptree_layout(struct intel_context *intel,
 			struct intel_mipmap_tree *mt);
 
+void *intel_miptree_map_raw(struct intel_context *intel,
+                            struct intel_mipmap_tree *mt);
+
+void intel_miptree_unmap_raw(struct intel_context *intel,
+                             struct intel_mipmap_tree *mt);
+
 void
 intel_miptree_map(struct intel_context *intel,
 		  struct intel_mipmap_tree *mt,