On Gen9+ the 3D textures use the same mipmap layout as 2D array
textures.
---
src/mesa/drivers/dri/i965/brw_tex_layout.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c
b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index 0e2841f..57922e9 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -224,6 +224,9 @@ brw_miptree_layout_2d(struct intel_mipmap_tree *mt)
width = minify(width, 1);
height = minify(height, 1);
+
+ if (mt->target == GL_TEXTURE_3D)
+ depth = minify(depth, 1);
}
}
@@ -263,7 +266,7 @@ brw_miptree_layout_texture_array(struct brw_context *brw,
if (mt->compressed)
img_height /= mt->align_h;
- for (int q = 0; q < mt->physical_depth0; q++) {
+ for (int q = 0; q < mt->level[level].depth; q++) {
if (mt->array_layout == ALL_SLICES_AT_EACH_LOD) {
intel_miptree_set_image_offset(mt, level, q, 0, q * img_height);
} else {
@@ -368,7 +371,10 @@ brw_miptree_layout(struct brw_context *brw, struct
intel_mipmap_tree *mt)
break;
case GL_TEXTURE_3D:
- brw_miptree_layout_texture_3d(brw, mt);
+ if (brw->gen >= 9)
+ brw_miptree_layout_texture_array(brw, mt);
+ else
+ brw_miptree_layout_texture_3d(brw, mt);
break;
case GL_TEXTURE_1D_ARRAY:
--
1.9.3
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