i965: Allow forcing miptree->array_layout = ALL_SLICES_AT_EACH_LOD

gen6 does not support multiple miplevels with separate
stencil/hiz. Therefore we need to layout its miptree with no mipmap
spacing between the slices of each miplevel.

v3:
 * Use new array_layout enum

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
Acked-by: Kenneth Graunke <kenneth@whitecape.org>

7 files changed, 35 insertions, 17 deletions

diff --git a/src/mesa/drivers/dri/i965/intel_fbo.c b/src/mesa/drivers/dri/i965/intel_fbo.c
index b0861fb..4a03b57 100644
--- a/src/mesa/drivers/dri/i965/intel_fbo.c
+++ b/src/mesa/drivers/dri/i965/intel_fbo.c
@@ -980,7 +980,8 @@ intel_renderbuffer_move_to_temp(struct brw_context *brw,
                                  width, height, depth,
                                  true,
                                  irb->mt->num_samples,
-                                 INTEL_MIPTREE_TILING_ANY);
+                                 INTEL_MIPTREE_TILING_ANY,
+                                 false);
 
    if (brw_is_hiz_depth_format(brw, new_mt->format)) {
       intel_miptree_alloc_hiz(brw, new_mt);
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 411e721..5dcf0cf 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -232,7 +232,8 @@ intel_miptree_create_layout(struct brw_context *brw,
                             GLuint height0,
                             GLuint depth0,
                             bool for_bo,
-                            GLuint num_samples)
+                            GLuint num_samples,
+                            bool force_all_slices_at_each_lod)
 {
    struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
    if (!mt)
@@ -388,7 +389,8 @@ intel_miptree_create_layout(struct brw_context *brw,
                                             mt->logical_depth0,
                                             true,
                                             num_samples,
-                                            INTEL_MIPTREE_TILING_ANY);
+                                            INTEL_MIPTREE_TILING_ANY,
+                                            false);
       if (!mt->stencil_mt) {
 	 intel_miptree_release(&mt);
 	 return NULL;
@@ -406,6 +408,9 @@ intel_miptree_create_layout(struct brw_context *brw,
       }
    }
 
+   if (force_all_slices_at_each_lod)
+      mt->array_layout = ALL_SLICES_AT_EACH_LOD;
+
    brw_miptree_layout(brw, mt);
 
    return mt;
@@ -560,7 +565,8 @@ intel_miptree_create(struct brw_context *brw,
 		     GLuint depth0,
 		     bool expect_accelerated_upload,
                      GLuint num_samples,
-                     enum intel_miptree_tiling_mode requested_tiling)
+                     enum intel_miptree_tiling_mode requested_tiling,
+                     bool force_all_slices_at_each_lod)
 {
    struct intel_mipmap_tree *mt;
    mesa_format tex_format = format;
@@ -574,7 +580,8 @@ intel_miptree_create(struct brw_context *brw,
    mt = intel_miptree_create_layout(brw, target, format,
 				      first_level, last_level, width0,
 				      height0, depth0,
-				      false, num_samples);
+                                    false, num_samples,
+                                    force_all_slices_at_each_lod);
    /*
     * pitch == 0 || height == 0  indicates the null texture
     */
@@ -685,7 +692,7 @@ intel_miptree_create_for_bo(struct brw_context *brw,
    mt = intel_miptree_create_layout(brw, GL_TEXTURE_2D, format,
                                     0, 0,
                                     width, height, 1,
-                                    true, 0 /* num_samples */);
+                                    true, 0, false);
    if (!mt) {
       free(mt);
       return mt;
@@ -794,7 +801,7 @@ intel_miptree_create_for_renderbuffer(struct brw_context *brw,
 
    mt = intel_miptree_create(brw, target, format, 0, 0,
 			     width, height, depth, true, num_samples,
-                             INTEL_MIPTREE_TILING_ANY);
+                             INTEL_MIPTREE_TILING_ANY, false);
    if (!mt)
       goto fail;
 
@@ -1295,7 +1302,8 @@ intel_miptree_alloc_mcs(struct brw_context *brw,
                                      mt->logical_depth0,
                                      true,
                                      0 /* num_samples */,
-                                     INTEL_MIPTREE_TILING_Y);
+                                     INTEL_MIPTREE_TILING_Y,
+                                     false);
 
    /* From the Ivy Bridge PRM, Vol 2 Part 1 p326:
     *
@@ -1352,7 +1360,8 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
                                      mt->logical_depth0,
                                      true,
                                      0 /* num_samples */,
-                                     INTEL_MIPTREE_TILING_Y);
+                                     INTEL_MIPTREE_TILING_Y,
+                                     false);
 
    return mt->mcs_mt;
 }
@@ -1408,7 +1417,8 @@ intel_miptree_alloc_hiz(struct brw_context *brw,
                                      mt->logical_depth0,
                                      true,
                                      mt->num_samples,
-                                     INTEL_MIPTREE_TILING_ANY);
+                                     INTEL_MIPTREE_TILING_ANY,
+                                     false);
 
    if (!mt->hiz_mt)
       return false;
@@ -1785,7 +1795,8 @@ intel_miptree_map_blit(struct brw_context *brw,
                                   0, 0,
                                   map->w, map->h, 1,
                                   false, 0,
-                                  INTEL_MIPTREE_TILING_NONE);
+                                  INTEL_MIPTREE_TILING_NONE,
+                                  false);
    if (!map->mt) {
       fprintf(stderr, "Failed to allocate blit temporary\n");
       goto fail;
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
index bc6411f..f0f6814 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.h
@@ -503,7 +503,8 @@ struct intel_mipmap_tree *intel_miptree_create(struct brw_context *brw,
                                                GLuint depth0,
 					       bool expect_accelerated_upload,
                                                GLuint num_samples,
-                                               enum intel_miptree_tiling_mode);
+                                               enum intel_miptree_tiling_mode,
+                                               bool force_all_slices_at_each_lod);
 
 struct intel_mipmap_tree *
 intel_miptree_create_layout(struct brw_context *brw,
@@ -515,7 +516,8 @@ intel_miptree_create_layout(struct brw_context *brw,
                             GLuint height0,
                             GLuint depth0,
                             bool for_bo,
-                            GLuint num_samples);
+                            GLuint num_samples,
+                            bool force_all_slices_at_each_lod);
 
 struct intel_mipmap_tree *
 intel_miptree_create_for_bo(struct brw_context *brw,
diff --git a/src/mesa/drivers/dri/i965/intel_tex.c b/src/mesa/drivers/dri/i965/intel_tex.c
index 556b787..549d9b8 100644
--- a/src/mesa/drivers/dri/i965/intel_tex.c
+++ b/src/mesa/drivers/dri/i965/intel_tex.c
@@ -145,7 +145,8 @@ intel_alloc_texture_storage(struct gl_context *ctx,
                                               width, height, depth,
                                               false, /* expect_accelerated */
                                               num_samples,
-                                              INTEL_MIPTREE_TILING_ANY);
+                                              INTEL_MIPTREE_TILING_ANY,
+                                              false);
 
       if (intel_texobj->mt == NULL) {
          return false;
diff --git a/src/mesa/drivers/dri/i965/intel_tex_image.c b/src/mesa/drivers/dri/i965/intel_tex_image.c
index 029d59b..3317779 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_image.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_image.c
@@ -81,7 +81,8 @@ intel_miptree_create_for_teximage(struct brw_context *brw,
 			       depth,
 			       expect_accelerated_upload,
                                intelImage->base.Base.NumSamples,
-                               INTEL_MIPTREE_TILING_ANY);
+                               INTEL_MIPTREE_TILING_ANY,
+                               false);
 }
 
 /* XXX: Do this for TexSubImage also:
diff --git a/src/mesa/drivers/dri/i965/intel_tex_subimage.c b/src/mesa/drivers/dri/i965/intel_tex_subimage.c
index 875190f..a121816 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_subimage.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_subimage.c
@@ -133,7 +133,8 @@ intel_blit_texsubimage(struct gl_context * ctx,
       intel_miptree_create(brw, GL_TEXTURE_2D, texImage->TexFormat,
                            0, 0,
                            width, height, 1,
-                           false, 0, INTEL_MIPTREE_TILING_NONE);
+                           false, 0, INTEL_MIPTREE_TILING_NONE,
+                           false);
    if (!temp_mt)
       goto err;
 
diff --git a/src/mesa/drivers/dri/i965/intel_tex_validate.c b/src/mesa/drivers/dri/i965/intel_tex_validate.c
index 38cee2a..0bf0393 100644
--- a/src/mesa/drivers/dri/i965/intel_tex_validate.c
+++ b/src/mesa/drivers/dri/i965/intel_tex_validate.c
@@ -137,7 +137,8 @@ intel_finalize_mipmap_tree(struct brw_context *brw, GLuint unit)
                                           depth,
 					  true,
                                           0 /* num_samples */,
-                                          INTEL_MIPTREE_TILING_ANY);
+                                          INTEL_MIPTREE_TILING_ANY,
+                                          false);
       if (!intelObj->mt)
          return false;
    }