Mesa (master): i965: Remove check for hiz on earlier gens than SNB

[Topi Pohjolainen]

Module: Mesa
Branch: master
Commit: 19412abb3f1b865a3e3810e725052a5a478aaf76
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=19412abb3f1b865a3e3810e725052a5a478aaf76

Author: Topi Pohjolainen <topi.pohjolainen at intel.com>
Date:   Wed Dec 28 17:49:56 2016 +0200

i965: Remove check for hiz on earlier gens than SNB

Only caller, brw_workaround_depthstencil_alignment(), returns
early for gen6+.

While at it, reduce scope for brw_get_depthstencil_tile_masks() as
well.

Reviewed-by: Samuel Iglesias Gons\341lvez <siglesias at igalia.com>
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

---

 src/mesa/drivers/dri/i965/brw_context.h    |  6 ------
 src/mesa/drivers/dri/i965/brw_misc_state.c | 18 ++----------------
 2 files changed, 2 insertions(+), 22 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index aa1499a..01e651b 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1246,12 +1246,6 @@ brw_meta_resolve_color(struct brw_context *brw,
 /*======================================================================
  * brw_misc_state.c
  */
-void brw_get_depthstencil_tile_masks(struct intel_mipmap_tree *depth_mt,
-                                     uint32_t depth_level,
-                                     uint32_t depth_layer,
-                                     struct intel_mipmap_tree *stencil_mt,
-                                     uint32_t *out_tile_mask_x,
-                                     uint32_t *out_tile_mask_y);
 void brw_workaround_depthstencil_alignment(struct brw_context *brw,
                                            GLbitfield clear_mask);
 
diff --git a/src/mesa/drivers/dri/i965/brw_misc_state.c b/src/mesa/drivers/dri/i965/brw_misc_state.c
index 40a8d07..616c0df 100644
--- a/src/mesa/drivers/dri/i965/brw_misc_state.c
+++ b/src/mesa/drivers/dri/i965/brw_misc_state.c
@@ -165,7 +165,7 @@ brw_depthbuffer_format(struct brw_context *brw)
  * packet.  If the 3 buffers don't agree on the drawing offset ANDed with this
  * mask, then we're in trouble.
  */
-void
+static void
 brw_get_depthstencil_tile_masks(struct intel_mipmap_tree *depth_mt,
                                 uint32_t depth_level,
                                 uint32_t depth_layer,
@@ -179,21 +179,7 @@ brw_get_depthstencil_tile_masks(struct intel_mipmap_tree *depth_mt,
       intel_get_tile_masks(depth_mt->tiling, depth_mt->tr_mode,
                            depth_mt->cpp,
                            &tile_mask_x, &tile_mask_y);
-
-      if (intel_miptree_level_has_hiz(depth_mt, depth_level)) {
-         uint32_t hiz_tile_mask_x, hiz_tile_mask_y;
-         intel_get_tile_masks(depth_mt->hiz_buf->mt->tiling,
-                              depth_mt->hiz_buf->mt->tr_mode,
-                              depth_mt->hiz_buf->mt->cpp,
-                              &hiz_tile_mask_x,
-                              &hiz_tile_mask_y);
-
-         /* Each HiZ row represents 2 rows of pixels */
-         hiz_tile_mask_y = hiz_tile_mask_y << 1 | 1;
-
-         tile_mask_x |= hiz_tile_mask_x;
-         tile_mask_y |= hiz_tile_mask_y;
-      }
+      assert(!intel_miptree_level_has_hiz(depth_mt, depth_level));
    }
 
    if (stencil_mt) {