Mesa (10.2): i965/gen7 renderbuffer: Set depth size based on LOD0 for 3D textures

[Jordan Justen]

Module: Mesa
Branch: 10.2
Commit: 71f78bb87e92cb07b5fc2d4a828e8b4982f5470a
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=71f78bb87e92cb07b5fc2d4a828e8b4982f5470a

Author: Jordan Justen <jordan.l.justen at intel.com>
Date:   Sat May 10 14:48:47 2014 -0700

i965/gen7 renderbuffer: Set depth size based on LOD0 for 3D textures

If blorp is disabled for color clears, then piglit's
'gl-3.2-layered-rendering-clear-color-all-types 3d mipmapped'
will fail.

Currently, gen8 fails similarly on this test because gen8
does not use blorp.

Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>
(cherry picked from commit b875f39e2967fa383e2c896bc354429fe10cd7a5)

---

 src/mesa/drivers/dri/i965/gen7_wm_surface_state.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index 5e3d23e..b31f491 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -489,7 +489,7 @@ gen7_update_renderbuffer_surface(struct brw_context *brw,
       depth *= 6;
       break;
    case GL_TEXTURE_3D:
-      depth = MAX2(rb->Depth, 1);
+      depth = MAX2(irb->mt->logical_depth0, 1);
       /* fallthrough */
    default:
       surftype = translate_tex_target(gl_target);