[Mesa-dev] [PATCH 2/3] i965/gen7: Set up texture horizontal alignment field.

[Eric Anholt]

This is required for Z16 support, which is the first thing to be
textured with horizontal alignment of 8.
---
 src/mesa/drivers/dri/i965/gen7_wm_surface_state.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

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 25d4a3e..a4c82e5 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -74,6 +74,8 @@ gen7_update_texture_surface(struct gl_context *ctx, GLuint unit)
 
    if (mt->align_h == 4)
       surf->ss0.vertical_alignment = 1;
+   if (mt->align_w == 8)
+      surf->ss0.horizontal_alignment = 1;
 
    surf->ss0.surface_type = translate_tex_target(tObj->Target);
    surf->ss0.surface_format = translate_tex_format(mt->format,
@@ -94,7 +96,6 @@ gen7_update_texture_surface(struct gl_context *ctx, GLuint unit)
    gen7_set_surface_tiling(surf, intelObj->mt->region->tiling);
 
    /* ss0 remaining fields:
-    * - horizontal_alignment
     * - vert_line_stride (exists on gen6 but we ignore it)
     * - vert_line_stride_ofs (exists on gen6 but we ignore it)
     * - surface_array_spacing
-- 
1.7.7.3