i965/gen4-6: Handle gl_texture_object::BaseLevel and MinLayer correctly

This is basically a direct translation of what we do for gen7.

Signed-off-by: Jason Ekstrand <jason@jlekstrand.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=83036
Cc: "11.1 11.2 12.0" <mesa-stable@lists.freedesktop.org>

diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index b07bf19..83c4c81 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -391,8 +391,10 @@ brw_update_texture_surface(struct gl_context *ctx,
              (mt->logical_depth0 - 1) << BRW_SURFACE_DEPTH_SHIFT |
              (mt->pitch - 1) << BRW_SURFACE_PITCH_SHIFT);
 
+   const unsigned min_lod = tObj->MinLevel + tObj->BaseLevel - mt->first_level;
    surf[4] = (brw_get_surface_num_multisamples(mt->num_samples) |
-              SET_FIELD(tObj->BaseLevel - mt->first_level, BRW_SURFACE_MIN_LOD));
+              SET_FIELD(min_lod, BRW_SURFACE_MIN_LOD) |
+              SET_FIELD(tObj->MinLayer, BRW_SURFACE_MIN_ARRAY_ELEMENT));
 
    surf[5] = mt->valign == 4 ? BRW_SURFACE_VERTICAL_ALIGN_ENABLE : 0;