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-rw-r--r--src/mesa/drivers/dri/i965/brw_tex_layout.c8
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.h5
2 files changed, 8 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index 45aa85471af..f5ea13437ae 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -246,17 +246,17 @@ brw_miptree_layout_texture_array(struct brw_context *brw,
mt->qpitch = h0;
else
mt->qpitch = (h0 + h1 + (brw->gen >= 7 ? 12 : 11) * mt->align_h);
- if (mt->compressed)
- mt->qpitch /= 4;
+
+ int physical_qpitch = mt->compressed ? mt->qpitch / 4 : mt->qpitch;
brw_miptree_layout_2d(mt);
for (unsigned level = mt->first_level; level <= mt->last_level; level++) {
for (int q = 0; q < mt->physical_depth0; q++) {
- intel_miptree_set_image_offset(mt, level, q, 0, q * mt->qpitch);
+ intel_miptree_set_image_offset(mt, level, q, 0, q * physical_qpitch);
}
}
- mt->total_height = mt->qpitch * mt->physical_depth0;
+ mt->total_height = physical_qpitch * mt->physical_depth0;
align_cube(mt);
}
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index bc63a249d2a..69d5b0a22c0 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -334,7 +334,10 @@ struct intel_mipmap_tree
bool array_spacing_lod0;
/**
- * The distance in rows between array slices.
+ * The distance in rows between array slices in an uncompressed surface.
+ *
+ * For compressed surfaces, slices are stored closer together physically;
+ * the real distance is (qpitch / block height).
*/
uint32_t qpitch;