X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fdrivers%2Fdri%2Fintel%2Fintel_mipmap_tree.h;h=21db2f4d3b3c191a028cf6536491b5e72d9c2316;hb=2689dd304c6d644b04c941e6da63e466be5de0d6;hp=3af9966827f40edda7d06417234091627842b59d;hpb=545e574cd9a2a659cd9a93879dff8884bd247558;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 3af9966827f..21db2f4d3b3 100644
--- a/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/intel/intel_mipmap_tree.h
@@ -62,14 +62,10 @@
  */
 struct intel_mipmap_level
 {
-   /**
-    * Byte offset to the base of this level.
-    *
-    * This is used for mipmap levels of 1D/2D/3D textures.  However, CUBE
-    * layouts spread images around the whole tree, so the level offset is
-    * always zero in that case.
-    */
-   GLuint level_offset;
+   /** Offset to this miptree level, used in computing x_offset. */
+   GLuint level_x;
+   /** Offset to this miptree level, used in computing y_offset. */
+   GLuint level_y;
    GLuint width;
    GLuint height;
    /** Depth of the mipmap at this level: 1 for 1D/2D/CUBE, n for 3D. */
@@ -77,8 +73,8 @@ struct intel_mipmap_level
    /** Number of images at this level: 1 for 1D/2D, 6 for CUBE, depth for 3D */
    GLuint nr_images;
 
-   /**
-    * Byte offset from level_offset to the image for each cube face or depth
+   /** @{
+    * offsets from level_[xy] to the image for each cube face or depth
     * level.
     *
     * Pretty much have to accept that hardware formats
@@ -86,7 +82,8 @@ struct intel_mipmap_level
     * compute the offsets of depth/cube images within a mipmap level,
     * so have to store them as a lookup table.
     */
-   GLuint *image_offset;
+   GLuint *x_offset, *y_offset;
+   /** @} */
 };
 
 struct intel_mipmap_tree
@@ -105,8 +102,7 @@ struct intel_mipmap_tree
 
    /* Derived from the above:
     */
-   GLuint pitch;
-   GLuint depth_pitch;          /* per-image on i945? */
+   GLuint total_width;
    GLuint total_height;
 
    /* Includes image offset tables:
@@ -126,6 +122,7 @@ struct intel_mipmap_tree
 
 struct intel_mipmap_tree *intel_miptree_create(struct intel_context *intel,
                                                GLenum target,
+                                               GLenum base_format,
                                                GLenum internal_format,
                                                GLuint first_level,
                                                GLuint last_level,
@@ -160,8 +157,7 @@ void intel_miptree_release(struct intel_context *intel,
 /* Check if an image fits an existing mipmap tree layout
  */
 GLboolean intel_miptree_match_image(struct intel_mipmap_tree *mt,
-                                    struct gl_texture_image *image,
-                                    GLuint face, GLuint level);
+                                    struct gl_texture_image *image);
 
 /* Return a pointer to an image within a tree.  Return image stride as
  * well.
@@ -175,19 +171,10 @@ GLubyte *intel_miptree_image_map(struct intel_context *intel,
 void intel_miptree_image_unmap(struct intel_context *intel,
                                struct intel_mipmap_tree *mt);
 
-
-/* Return the linear offset of an image relative to the start of the
- * tree:
- */
-GLuint intel_miptree_image_offset(struct intel_mipmap_tree *mt,
-                                  GLuint face, GLuint level);
-
-/* Return pointers to each 2d slice within an image.  Indexed by depth
- * value.
- */
-const GLuint *intel_miptree_depth_offsets(struct intel_mipmap_tree *mt,
-                                          GLuint level);
-
+void
+intel_miptree_get_image_offset(struct intel_mipmap_tree *mt,
+			       GLuint level, GLuint face, GLuint depth,
+			       GLuint *x, GLuint *y);
 
 void intel_miptree_set_level_info(struct intel_mipmap_tree *mt,
                                   GLuint level,
@@ -199,7 +186,6 @@ void intel_miptree_set_image_offset(struct intel_mipmap_tree *mt,
                                     GLuint level,
                                     GLuint img, GLuint x, GLuint y);
 
-
 /* Upload an image into a tree
  */
 void intel_miptree_image_data(struct intel_context *intel,