[Mesa-dev] [PATCH 2/5] i965/gen7: Don't rely directly on the hiz miptree structure

[Jordan Justen]

We are still allocating a miptree for hiz, but we only use fields from
intel_miptree_aux_buffer. This will allow us to switch over to not
allocating a miptree.

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Ben Widawsky <ben at bwidawsk.net>
---
 src/mesa/drivers/dri/i965/gen7_blorp.cpp    | 6 +++---
 src/mesa/drivers/dri/i965/gen7_misc_state.c | 7 ++++---
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/gen7_blorp.cpp b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
index 6ba65d6..fb6a0dd 100644
--- a/src/mesa/drivers/dri/i965/gen7_blorp.cpp
+++ b/src/mesa/drivers/dri/i965/gen7_blorp.cpp
@@ -695,13 +695,13 @@ gen7_blorp_emit_depth_stencil_config(struct brw_context *brw,
 
    /* 3DSTATE_HIER_DEPTH_BUFFER */
    {
-      struct intel_mipmap_tree *hiz_mt = params->depth.mt->hiz_buf->mt;
+      struct intel_miptree_aux_buffer *hiz_buf = params->depth.mt->hiz_buf;
 
       BEGIN_BATCH(3);
       OUT_BATCH((GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16) | (3 - 2));
       OUT_BATCH((mocs << 25) |
-                (hiz_mt->pitch - 1));
-      OUT_RELOC(hiz_mt->bo,
+                (hiz_buf->pitch - 1));
+      OUT_RELOC(hiz_buf->bo,
                 I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER,
                 0);
       ADVANCE_BATCH();
diff --git a/src/mesa/drivers/dri/i965/gen7_misc_state.c b/src/mesa/drivers/dri/i965/gen7_misc_state.c
index 6c6a79b..8f8c33e 100644
--- a/src/mesa/drivers/dri/i965/gen7_misc_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_misc_state.c
@@ -145,12 +145,13 @@ gen7_emit_depth_stencil_hiz(struct brw_context *brw,
       OUT_BATCH(0);
       ADVANCE_BATCH();
    } else {
-      struct intel_mipmap_tree *hiz_mt = depth_mt->hiz_buf->mt;
+      struct intel_miptree_aux_buffer *hiz_buf = depth_mt->hiz_buf;
+
       BEGIN_BATCH(3);
       OUT_BATCH(GEN7_3DSTATE_HIER_DEPTH_BUFFER << 16 | (3 - 2));
       OUT_BATCH((mocs << 25) |
-                (hiz_mt->pitch - 1));
-      OUT_RELOC(hiz_mt->bo,
+                (hiz_buf->pitch - 1));
+      OUT_RELOC(hiz_buf->bo,
                 I915_GEM_DOMAIN_RENDER,
                 I915_GEM_DOMAIN_RENDER,
                 0);
-- 
2.1.1