[Mesa-dev] [1.5/27] i965/miptree: Tell when brw_miptree_layout() fails

[Topi Pohjolainen]

In addition, let intel_miptree_create_layout() release the
miptree - it is the allocator.

CC: Jason Ekstrand <jason at jlekstrand.net>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
---
 src/mesa/drivers/dri/i965/brw_tex_layout.c    | 10 +++++-----
 src/mesa/drivers/dri/i965/intel_mipmap_tree.c |  5 ++++-
 src/mesa/drivers/dri/i965/intel_mipmap_tree.h |  2 +-
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index 768f8a8..9c654d3 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -771,7 +771,7 @@ intel_miptree_set_alignment(struct brw_context *brw,
    }
 }
 
-void
+bool
 brw_miptree_layout(struct brw_context *brw,
                    struct intel_mipmap_tree *mt,
                    uint32_t layout_flags)
@@ -781,10 +781,8 @@ brw_miptree_layout(struct brw_context *brw,
    intel_miptree_set_alignment(brw, mt, layout_flags);
    intel_miptree_set_total_width_height(brw, mt);
 
-   if (!mt->total_width || !mt->total_height) {
-      intel_miptree_release(&mt);
-      return;
-   }
+   if (!mt->total_width || !mt->total_height)
+      return false;
 
    /* On Gen9+ the alignment values are expressed in multiples of the block
     * size
@@ -798,5 +796,7 @@ brw_miptree_layout(struct brw_context *brw,
 
    if ((layout_flags & MIPTREE_LAYOUT_FOR_BO) == 0)
       mt->tiling = brw_miptree_choose_tiling(brw, mt, layout_flags);
+
+   return true;
 }
 
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 9488bec..5c80df8 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -526,7 +526,10 @@ intel_miptree_create_layout(struct brw_context *brw,
              (layout_flags & MIPTREE_LAYOUT_FORCE_HALIGN16) == 0);
    }
 
-   brw_miptree_layout(brw, mt, layout_flags);
+   if (!brw_miptree_layout(brw, mt, layout_flags)) {
+      intel_miptree_release(&mt);
+      return NULL;
+   }
 
    if (mt->aux_disable & INTEL_AUX_DISABLE_MCS)
       assert(mt->msaa_layout != INTEL_MSAA_LAYOUT_CMS);
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index 476c46b..27bcdfb 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -983,7 +983,7 @@ brw_miptree_get_vertical_slice_pitch(const struct brw_context *brw,
                                      const struct intel_mipmap_tree *mt,
                                      unsigned level);
 
-void
+bool
 brw_miptree_layout(struct brw_context *brw,
                    struct intel_mipmap_tree *mt,
                    uint32_t layout_flags);
-- 
2.5.5