Mesa (master): i965/gen9: Set tiled resource mode for the miptree

[Anuj Phogat]

Module: Mesa
Branch: master
Commit: 126078faca7a9da0f825d3ad07ce9b1183737240
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=126078faca7a9da0f825d3ad07ce9b1183737240

Author: Anuj Phogat <anuj.phogat at gmail.com>
Date:   Tue Apr 14 22:06:47 2015 -0700

i965/gen9: Set tiled resource mode for the miptree

Signed-off-by: Anuj Phogat <anuj.phogat at gmail.com>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>

---

 src/mesa/drivers/dri/i965/brw_tex_layout.c    |    2 ++
 src/mesa/drivers/dri/i965/intel_mipmap_tree.h |    8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_tex_layout.c b/src/mesa/drivers/dri/i965/brw_tex_layout.c
index ec7c6c4..e461bfc 100644
--- a/src/mesa/drivers/dri/i965/brw_tex_layout.c
+++ b/src/mesa/drivers/dri/i965/brw_tex_layout.c
@@ -568,6 +568,8 @@ brw_miptree_layout(struct brw_context *brw,
 {
    bool gen6_hiz_or_stencil = false;
 
+   mt->tr_mode = INTEL_MIPTREE_TRMODE_NONE;
+
    if (brw->gen == 6 && mt->array_layout == ALL_SLICES_AT_EACH_LOD) {
       const GLenum base_format = _mesa_get_format_base_format(mt->format);
       gen6_hiz_or_stencil = _mesa_is_depth_or_stencil_format(base_format);
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index 0db6b44..20bed53 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -330,6 +330,13 @@ struct intel_miptree_aux_buffer
    struct intel_mipmap_tree *mt; /**< hiz miptree used with Gen6 */
 };
 
+/* Tile resource modes */
+enum intel_miptree_tr_mode {
+   INTEL_MIPTREE_TRMODE_NONE,
+   INTEL_MIPTREE_TRMODE_YF,
+   INTEL_MIPTREE_TRMODE_YS
+};
+
 struct intel_mipmap_tree
 {
    /** Buffer object containing the pixel data. */
@@ -338,6 +345,7 @@ struct intel_mipmap_tree
    uint32_t pitch; /**< pitch in bytes. */
 
    uint32_t tiling; /**< One of the I915_TILING_* flags */
+   enum intel_miptree_tr_mode tr_mode;
 
    /* Effectively the key:
     */