i965/miptree: Use isl for mcs layouts
[mesa.git] / src / mesa / drivers / dri / i965 / intel_mipmap_tree.c
index 6aaf4d20b7a43b052f364a054940c1c13fe3a65a..c08f14314bc4b4f8e436c6e3469011f10624f3b3 100644 (file)
@@ -28,7 +28,6 @@
 
 #include "intel_batchbuffer.h"
 #include "intel_mipmap_tree.h"
-#include "intel_resolve_map.h"
 #include "intel_tex.h"
 #include "intel_blit.h"
 #include "intel_fbo.h"
@@ -49,7 +48,8 @@
 #define FILE_DEBUG_FLAG DEBUG_MIPTREE
 
 static void *intel_miptree_map_raw(struct brw_context *brw,
-                                   struct intel_mipmap_tree *mt);
+                                   struct intel_mipmap_tree *mt,
+                                   GLbitfield mode);
 
 static void intel_miptree_unmap_raw(struct intel_mipmap_tree *mt);
 
@@ -209,8 +209,9 @@ intel_miptree_supports_non_msrt_fast_clear(struct brw_context *brw,
 
    if (brw->gen >= 9) {
       mesa_format linear_format = _mesa_get_srgb_format_linear(mt->format);
-      const uint32_t brw_format = brw_isl_format_for_mesa_format(linear_format);
-      return isl_format_supports_ccs_e(&brw->screen->devinfo, brw_format);
+      const enum isl_format isl_format =
+         brw_isl_format_for_mesa_format(linear_format);
+      return isl_format_supports_ccs_e(&brw->screen->devinfo, isl_format);
    } else
       return true;
 }
@@ -284,6 +285,27 @@ intel_depth_format_for_depthstencil_format(mesa_format format) {
    }
 }
 
+static bool
+create_mapping_table(GLenum target, unsigned first_level, unsigned last_level,
+                     unsigned depth0, struct intel_mipmap_level *table)
+{
+   for (unsigned level = first_level; level <= last_level; level++) {
+      const unsigned d =
+         target == GL_TEXTURE_3D ? minify(depth0, level) : depth0;
+
+      table[level].slice = calloc(d, sizeof(*table[0].slice));
+      if (!table[level].slice)
+         goto unwind;
+   }
+
+   return true;
+
+unwind:
+   for (unsigned level = first_level; level <= last_level; level++)
+      free(table[level].slice);
+
+   return false;
+}
 
 /**
  * @param for_bo Indicates that the caller is
@@ -325,14 +347,16 @@ intel_miptree_create_layout(struct brw_context *brw,
       INTEL_AUX_DISABLE_ALL : INTEL_AUX_DISABLE_NONE;
    mt->aux_disable |= INTEL_AUX_DISABLE_CCS;
    mt->is_scanout = (layout_flags & MIPTREE_LAYOUT_FOR_SCANOUT) != 0;
-   exec_list_make_empty(&mt->hiz_map);
-   exec_list_make_empty(&mt->color_resolve_map);
+   mt->aux_state = NULL;
    mt->cpp = _mesa_get_format_bytes(format);
    mt->num_samples = num_samples;
    mt->compressed = _mesa_is_format_compressed(format);
    mt->msaa_layout = INTEL_MSAA_LAYOUT_NONE;
    mt->refcount = 1;
 
+   if (brw->gen == 6 && format == MESA_FORMAT_S_UINT8)
+      layout_flags |= MIPTREE_LAYOUT_GEN6_HIZ_STENCIL;
+
    int depth_multiply = 1;
    if (num_samples > 1) {
       /* Adjust width/height/depth for MSAA */
@@ -424,6 +448,12 @@ intel_miptree_create_layout(struct brw_context *brw,
       }
    }
 
+   if (!create_mapping_table(target, first_level, last_level, depth0,
+                             mt->level)) {
+      free(mt);
+      return NULL;
+   }
+
    /* Set array_layout to ALL_SLICES_AT_EACH_LOD when array_spacing_lod0 can
     * be used. array_spacing_lod0 is only used for non-IMS MSAA surfaces on
     * Gen 7 and 8. On Gen 8 and 9 this layout is not available but it is still
@@ -463,8 +493,7 @@ intel_miptree_create_layout(struct brw_context *brw,
          intel_miptree_wants_hiz_buffer(brw, mt)))) {
       uint32_t stencil_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD;
       if (brw->gen == 6) {
-         stencil_flags |= MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD |
-                          MIPTREE_LAYOUT_TILING_ANY;
+         stencil_flags |= MIPTREE_LAYOUT_TILING_ANY;
       }
 
       mt->stencil_mt = intel_miptree_create(brw,
@@ -496,8 +525,8 @@ intel_miptree_create_layout(struct brw_context *brw,
       }
    }
 
-   if (layout_flags & MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD)
-      mt->array_layout = ALL_SLICES_AT_EACH_LOD;
+   if (layout_flags & MIPTREE_LAYOUT_GEN6_HIZ_STENCIL)
+      mt->array_layout = GEN6_HIZ_STENCIL;
 
    /*
     * Obey HALIGN_16 constraints for Gen8 and Gen9 buffers which are
@@ -576,6 +605,139 @@ intel_lower_compressed_format(struct brw_context *brw, mesa_format format)
    }
 }
 
+/** \brief Assert that the level and layer are valid for the miptree. */
+void
+intel_miptree_check_level_layer(const struct intel_mipmap_tree *mt,
+                                uint32_t level,
+                                uint32_t layer)
+{
+   (void) mt;
+   (void) level;
+   (void) layer;
+
+   assert(level >= mt->first_level);
+   assert(level <= mt->last_level);
+
+   if (mt->surf.size > 0)
+      assert(layer < (mt->surf.dim == ISL_SURF_DIM_3D ?
+                         minify(mt->surf.phys_level0_sa.depth, level) :
+                         mt->surf.phys_level0_sa.array_len));
+   else
+      assert(layer < mt->level[level].depth);
+}
+
+static enum isl_aux_state **
+create_aux_state_map(struct intel_mipmap_tree *mt,
+                     enum isl_aux_state initial)
+{
+   const uint32_t levels = mt->last_level + 1;
+
+   uint32_t total_slices = 0;
+   for (uint32_t level = 0; level < levels; level++)
+      total_slices += mt->level[level].depth;
+
+   const size_t per_level_array_size = levels * sizeof(enum isl_aux_state *);
+
+   /* We're going to allocate a single chunk of data for both the per-level
+    * reference array and the arrays of aux_state.  This makes cleanup
+    * significantly easier.
+    */
+   const size_t total_size = per_level_array_size +
+                             total_slices * sizeof(enum isl_aux_state);
+   void *data = malloc(total_size);
+   if (data == NULL)
+      return NULL;
+
+   enum isl_aux_state **per_level_arr = data;
+   enum isl_aux_state *s = data + per_level_array_size;
+   for (uint32_t level = 0; level < levels; level++) {
+      per_level_arr[level] = s;
+      for (uint32_t a = 0; a < mt->level[level].depth; a++)
+         *(s++) = initial;
+   }
+   assert((void *)s == data + total_size);
+
+   return per_level_arr;
+}
+
+static void
+free_aux_state_map(enum isl_aux_state **state)
+{
+   free(state);
+}
+
+static struct intel_mipmap_tree *
+make_surface(struct brw_context *brw, GLenum target, mesa_format format,
+             unsigned first_level, unsigned last_level,
+             unsigned width0, unsigned height0, unsigned depth0,
+             unsigned num_samples, enum isl_tiling isl_tiling,
+             isl_surf_usage_flags_t isl_usage_flags, uint32_t alloc_flags,
+             struct brw_bo *bo)
+{
+   struct intel_mipmap_tree *mt = calloc(sizeof(*mt), 1);
+   if (!mt)
+      return NULL;
+
+   if (!create_mapping_table(target, first_level, last_level, depth0,
+                             mt->level)) {
+      free(mt);
+      return NULL;
+   }
+
+   if (target == GL_TEXTURE_CUBE_MAP ||
+       target == GL_TEXTURE_CUBE_MAP_ARRAY)
+      isl_usage_flags |= ISL_SURF_USAGE_CUBE_BIT;
+
+   DBG("%s: %s %s %ux %u:%u:%u %d..%d <-- %p\n",
+        __func__,
+       _mesa_enum_to_string(target),
+       _mesa_get_format_name(format),
+       num_samples, width0, height0, depth0,
+       first_level, last_level, mt);
+
+   struct isl_surf_init_info init_info = {
+      .dim = get_isl_surf_dim(target),
+      .format = translate_tex_format(brw, format, false),
+      .width = width0,
+      .height = height0,
+      .depth = target == GL_TEXTURE_3D ? depth0 : 1,
+      .levels = last_level - first_level + 1,
+      .array_len = target == GL_TEXTURE_3D ? 1 : depth0,
+      .samples = MAX2(num_samples, 1),
+      .usage = isl_usage_flags, 
+      .tiling_flags = 1u << isl_tiling
+   };
+
+   if (!isl_surf_init_s(&brw->isl_dev, &mt->surf, &init_info))
+      goto fail;
+
+   assert(mt->surf.size % mt->surf.row_pitch == 0);
+
+   if (!bo) {
+      mt->bo = brw_bo_alloc_tiled(brw->bufmgr, "isl-miptree",
+                                  mt->surf.size,
+                                  isl_tiling_to_bufmgr_tiling(isl_tiling),
+                                  mt->surf.row_pitch, alloc_flags);
+      if (!mt->bo)
+         goto fail;
+   } else {
+      mt->bo = bo;
+   }
+
+   mt->first_level = first_level;
+   mt->last_level = last_level;
+   mt->target = target;
+   mt->format = format;
+   mt->refcount = 1;
+   mt->aux_state = NULL;
+
+   return mt;
+
+fail:
+   intel_miptree_release(&mt);
+   return NULL;
+}
+
 static struct intel_mipmap_tree *
 miptree_create(struct brw_context *brw,
                GLenum target,
@@ -588,6 +750,13 @@ miptree_create(struct brw_context *brw,
                GLuint num_samples,
                uint32_t layout_flags)
 {
+   if (brw->gen == 6 && format == MESA_FORMAT_S_UINT8)
+      return make_surface(brw, target, format, first_level, last_level,
+                          width0, height0, depth0, num_samples, ISL_TILING_W,
+                          ISL_SURF_USAGE_STENCIL_BIT |
+                          ISL_SURF_USAGE_TEXTURE_BIT,
+                          BO_ALLOC_FOR_RENDER, NULL);
+
    struct intel_mipmap_tree *mt;
    mesa_format tex_format = format;
    mesa_format etc_format = MESA_FORMAT_NONE;
@@ -611,24 +780,24 @@ miptree_create(struct brw_context *brw,
    if (layout_flags & MIPTREE_LAYOUT_ACCELERATED_UPLOAD)
       alloc_flags |= BO_ALLOC_FOR_RENDER;
 
-   unsigned long pitch;
    mt->etc_format = etc_format;
 
    if (format == MESA_FORMAT_S_UINT8) {
       /* Align to size of W tile, 64x64. */
-      mt->bo = drm_bacon_bo_alloc_tiled(brw->bufmgr, "miptree",
-                                        ALIGN(mt->total_width, 64),
-                                        ALIGN(mt->total_height, 64),
-                                        mt->cpp, &mt->tiling, &pitch,
-                                        alloc_flags);
+      mt->bo = brw_bo_alloc_tiled_2d(brw->bufmgr, "miptree",
+                                     ALIGN(mt->total_width, 64),
+                                     ALIGN(mt->total_height, 64),
+                                     mt->cpp, mt->tiling, &mt->pitch,
+                                     alloc_flags);
    } else {
-      mt->bo = drm_bacon_bo_alloc_tiled(brw->bufmgr, "miptree",
-                                        mt->total_width, mt->total_height,
-                                        mt->cpp, &mt->tiling, &pitch,
-                                        alloc_flags);
+      mt->bo = brw_bo_alloc_tiled_2d(brw->bufmgr, "miptree",
+                                     mt->total_width, mt->total_height,
+                                     mt->cpp, mt->tiling, &mt->pitch,
+                                     alloc_flags);
    }
 
-   mt->pitch = pitch;
+   if (layout_flags & MIPTREE_LAYOUT_FOR_SCANOUT)
+      mt->bo->cache_coherent = false;
 
    return mt;
 }
@@ -657,7 +826,6 @@ intel_miptree_create(struct brw_context *brw,
     */
    if (brw->gen < 6 && mt->bo->size >= brw->max_gtt_map_object_size &&
        mt->tiling == I915_TILING_Y) {
-      unsigned long pitch = mt->pitch;
       const uint32_t alloc_flags =
          (layout_flags & MIPTREE_LAYOUT_ACCELERATED_UPLOAD) ?
          BO_ALLOC_FOR_RENDER : 0;
@@ -665,11 +833,10 @@ intel_miptree_create(struct brw_context *brw,
                  mt->total_width, mt->total_height);
 
       mt->tiling = I915_TILING_X;
-      drm_bacon_bo_unreference(mt->bo);
-      mt->bo = drm_bacon_bo_alloc_tiled(brw->bufmgr, "miptree",
-                                  mt->total_width, mt->total_height, mt->cpp,
-                                  &mt->tiling, &pitch, alloc_flags);
-      mt->pitch = pitch;
+      brw_bo_unreference(mt->bo);
+      mt->bo = brw_bo_alloc_tiled_2d(brw->bufmgr, "miptree",
+                                     mt->total_width, mt->total_height, mt->cpp,
+                                     mt->tiling, &mt->pitch, alloc_flags);
    }
 
    mt->offset = 0;
@@ -719,7 +886,7 @@ intel_miptree_create(struct brw_context *brw,
 
 struct intel_mipmap_tree *
 intel_miptree_create_for_bo(struct brw_context *brw,
-                            drm_bacon_bo *bo,
+                            struct brw_bo *bo,
                             mesa_format format,
                             uint32_t offset,
                             uint32_t width,
@@ -732,7 +899,7 @@ intel_miptree_create_for_bo(struct brw_context *brw,
    uint32_t tiling, swizzle;
    GLenum target;
 
-   drm_bacon_bo_get_tiling(bo, &tiling, &swizzle);
+   brw_bo_get_tiling(bo, &tiling, &swizzle);
 
    /* Nothing will be able to use this miptree with the BO if the offset isn't
     * aligned.
@@ -761,7 +928,7 @@ intel_miptree_create_for_bo(struct brw_context *brw,
    if (!mt)
       return NULL;
 
-   drm_bacon_bo_reference(bo);
+   brw_bo_reference(bo);
    mt->bo = bo;
    mt->pitch = pitch;
    mt->offset = offset;
@@ -783,7 +950,7 @@ intel_miptree_create_for_bo(struct brw_context *brw,
 void
 intel_update_winsys_renderbuffer_miptree(struct brw_context *intel,
                                          struct intel_renderbuffer *irb,
-                                         drm_bacon_bo *bo,
+                                         struct brw_bo *bo,
                                          uint32_t width, uint32_t height,
                                          uint32_t pitch)
 {
@@ -911,10 +1078,7 @@ intel_miptree_hiz_buffer_free(struct intel_miptree_hiz_buffer *hiz_buf)
    if (hiz_buf == NULL)
       return;
 
-   if (hiz_buf->mt)
-      intel_miptree_release(&hiz_buf->mt);
-   else
-      drm_bacon_bo_unreference(hiz_buf->aux_base.bo);
+   brw_bo_unreference(hiz_buf->aux_base.bo);
 
    free(hiz_buf);
 }
@@ -931,16 +1095,15 @@ intel_miptree_release(struct intel_mipmap_tree **mt)
 
       DBG("%s deleting %p\n", __func__, *mt);
 
-      drm_bacon_bo_unreference((*mt)->bo);
+      brw_bo_unreference((*mt)->bo);
       intel_miptree_release(&(*mt)->stencil_mt);
       intel_miptree_release(&(*mt)->r8stencil_mt);
       intel_miptree_hiz_buffer_free((*mt)->hiz_buf);
       if ((*mt)->mcs_buf) {
-         drm_bacon_bo_unreference((*mt)->mcs_buf->bo);
+         brw_bo_unreference((*mt)->mcs_buf->bo);
          free((*mt)->mcs_buf);
       }
-      intel_resolve_map_clear(&(*mt)->hiz_map);
-      intel_resolve_map_clear(&(*mt)->color_resolve_map);
+      free_aux_state_map((*mt)->aux_state);
 
       intel_miptree_release(&(*mt)->plane[0]);
       intel_miptree_release(&(*mt)->plane[1]);
@@ -1024,6 +1187,21 @@ intel_miptree_match_image(struct intel_mipmap_tree *mt,
    if (mt->target == GL_TEXTURE_CUBE_MAP)
       depth = 6;
 
+   if (mt->surf.size > 0) {
+      if (level >= mt->surf.levels)
+         return false;
+
+      const unsigned level_depth =
+         mt->surf.dim == ISL_SURF_DIM_3D ?
+            minify(mt->surf.logical_level0_px.depth, level) :
+            mt->surf.logical_level0_px.array_len;
+
+      return width == minify(mt->surf.logical_level0_px.width, level) &&
+             height == minify(mt->surf.logical_level0_px.height, level) &&
+             depth == level_depth &&
+             MAX2(image->NumSamples, 1) == mt->surf.samples;
+   }
+
    int level_depth = mt->level[level].depth;
    if (mt->num_samples > 1) {
       switch (mt->msaa_layout) {
@@ -1066,9 +1244,8 @@ intel_miptree_set_level_info(struct intel_mipmap_tree *mt,
    DBG("%s level %d, depth %d, offset %d,%d\n", __func__,
        level, d, x, y);
 
-   assert(mt->level[level].slice == NULL);
+   assert(mt->level[level].slice);
 
-   mt->level[level].slice = calloc(d, sizeof(*mt->level[0].slice));
    mt->level[level].slice[0].x_offset = mt->level[level].level_x;
    mt->level[level].slice[0].y_offset = mt->level[level].level_y;
 }
@@ -1098,6 +1275,25 @@ intel_miptree_get_image_offset(const struct intel_mipmap_tree *mt,
                               GLuint level, GLuint slice,
                               GLuint *x, GLuint *y)
 {
+   if (mt->surf.size > 0) {
+      uint32_t x_offset_sa, y_offset_sa;
+
+      /* Given level is relative to level zero while the miptree may be
+       * represent just a subset of all levels starting from 'first_level'.
+       */
+      assert(level >= mt->first_level);
+      level -= mt->first_level;
+
+      const unsigned z = mt->surf.dim == ISL_SURF_DIM_3D ? slice : 0;
+      slice = mt->surf.dim == ISL_SURF_DIM_3D ? 0 : slice;
+      isl_surf_get_image_offset_sa(&mt->surf, level, slice, z,
+                                   &x_offset_sa, &y_offset_sa);
+
+      *x = x_offset_sa;
+      *y = y_offset_sa;
+      return;
+   }
+
    assert(slice < mt->level[level].depth);
 
    *x = mt->level[level].slice[slice].x_offset;
@@ -1209,26 +1405,26 @@ intel_miptree_get_tile_offsets(const struct intel_mipmap_tree *mt,
 
 static void
 intel_miptree_copy_slice_sw(struct brw_context *brw,
-                            struct intel_mipmap_tree *dst_mt,
                             struct intel_mipmap_tree *src_mt,
-                            int level,
-                            int slice,
-                            int width,
-                            int height)
+                            unsigned src_level, unsigned src_layer,
+                            struct intel_mipmap_tree *dst_mt,
+                            unsigned dst_level, unsigned dst_layer,
+                            unsigned width, unsigned height)
 {
    void *src, *dst;
    ptrdiff_t src_stride, dst_stride;
-   int cpp = dst_mt->cpp;
+   const unsigned cpp = dst_mt->surf.size > 0 ?
+      (isl_format_get_layout(dst_mt->surf.format)->bpb / 8) : dst_mt->cpp;
 
    intel_miptree_map(brw, src_mt,
-                     level, slice,
+                     src_level, src_layer,
                      0, 0,
                      width, height,
                      GL_MAP_READ_BIT | BRW_MAP_DIRECT_BIT,
                      &src, &src_stride);
 
    intel_miptree_map(brw, dst_mt,
-                     level, slice,
+                     dst_level, dst_layer,
                      0, 0,
                      width, height,
                      GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_RANGE_BIT |
@@ -1254,8 +1450,8 @@ intel_miptree_copy_slice_sw(struct brw_context *brw,
       }
    }
 
-   intel_miptree_unmap(brw, dst_mt, level, slice);
-   intel_miptree_unmap(brw, src_mt, level, slice);
+   intel_miptree_unmap(brw, dst_mt, dst_level, dst_layer);
+   intel_miptree_unmap(brw, src_mt, src_level, src_layer);
 
    /* Don't forget to copy the stencil data over, too.  We could have skipped
     * passing BRW_MAP_DIRECT_BIT, but that would have meant intel_miptree_map
@@ -1264,31 +1460,43 @@ intel_miptree_copy_slice_sw(struct brw_context *brw,
     */
    if (dst_mt->stencil_mt) {
       assert(src_mt->stencil_mt);
-      intel_miptree_copy_slice_sw(brw, dst_mt->stencil_mt, src_mt->stencil_mt,
-                                  level, slice, width, height);
+      intel_miptree_copy_slice_sw(brw,
+                                  src_mt->stencil_mt, src_level, src_layer,
+                                  dst_mt->stencil_mt, dst_level, dst_layer,
+                                  width, height);
    }
 }
 
-static void
+void
 intel_miptree_copy_slice(struct brw_context *brw,
-                        struct intel_mipmap_tree *dst_mt,
-                        struct intel_mipmap_tree *src_mt,
-                        int level,
-                        int face,
-                        int depth)
+                         struct intel_mipmap_tree *src_mt,
+                         unsigned src_level, unsigned src_layer,
+                         struct intel_mipmap_tree *dst_mt,
+                         unsigned dst_level, unsigned dst_layer)
 
 {
    mesa_format format = src_mt->format;
-   uint32_t width = minify(src_mt->physical_width0, level - src_mt->first_level);
-   uint32_t height = minify(src_mt->physical_height0, level - src_mt->first_level);
-   int slice;
-
-   if (face > 0)
-      slice = face;
-   else
-      slice = depth;
+   uint32_t width, height;
+
+   if (src_mt->surf.size > 0) {
+      width = minify(src_mt->surf.phys_level0_sa.width,
+                     src_level - src_mt->first_level);
+      height = minify(src_mt->surf.phys_level0_sa.height,
+                      src_level - src_mt->first_level);
+
+      if (src_mt->surf.dim == ISL_SURF_DIM_3D)
+         assert(src_layer < minify(src_mt->surf.phys_level0_sa.depth,
+                                   src_level - src_mt->first_level));
+      else
+         assert(src_layer < src_mt->surf.phys_level0_sa.array_len);
+   } else {
+      width = minify(src_mt->physical_width0,
+                     src_level - src_mt->first_level);
+      height = minify(src_mt->physical_height0,
+                      src_level - src_mt->first_level);
+      assert(src_layer < src_mt->level[src_level].depth);
+   }
 
-   assert(depth < src_mt->level[level].depth);
    assert(src_mt->format == dst_mt->format);
 
    if (dst_mt->compressed) {
@@ -1304,15 +1512,17 @@ intel_miptree_copy_slice(struct brw_context *brw,
     */
    if (src_mt->stencil_mt) {
       intel_miptree_copy_slice_sw(brw,
-                                  dst_mt, src_mt,
-                                  level, slice,
+                                  src_mt, src_level, src_layer,
+                                  dst_mt, dst_level, dst_layer,
                                   width, height);
       return;
    }
 
    uint32_t dst_x, dst_y, src_x, src_y;
-   intel_miptree_get_image_offset(dst_mt, level, slice, &dst_x, &dst_y);
-   intel_miptree_get_image_offset(src_mt, level, slice, &src_x, &src_y);
+   intel_miptree_get_image_offset(dst_mt, dst_level, dst_layer,
+                                  &dst_x, &dst_y);
+   intel_miptree_get_image_offset(src_mt, src_level, src_layer,
+                                  &src_x, &src_y);
 
    DBG("validate blit mt %s %p %d,%d/%d -> mt %s %p %d,%d/%d (%dx%d)\n",
        _mesa_get_format_name(src_mt->format),
@@ -1322,13 +1532,15 @@ intel_miptree_copy_slice(struct brw_context *brw,
        width, height);
 
    if (!intel_miptree_blit(brw,
-                           src_mt, level, slice, 0, 0, false,
-                           dst_mt, level, slice, 0, 0, false,
+                           src_mt, src_level, src_layer, 0, 0, false,
+                           dst_mt, dst_level, dst_layer, 0, 0, false,
                            width, height, GL_COPY)) {
       perf_debug("miptree validate blit for %s failed\n",
                  _mesa_get_format_name(format));
 
-      intel_miptree_copy_slice_sw(brw, dst_mt, src_mt, level, slice,
+      intel_miptree_copy_slice_sw(brw,
+                                  src_mt, src_level, src_layer,
+                                  dst_mt, dst_level, dst_layer,
                                   width, height);
    }
 }
@@ -1351,17 +1563,28 @@ intel_miptree_copy_teximage(struct brw_context *brw,
    struct intel_texture_object *intel_obj =
       intel_texture_object(intelImage->base.Base.TexObject);
    int level = intelImage->base.Base.Level;
-   int face = intelImage->base.Base.Face;
-
-   GLuint depth;
-   if (intel_obj->base.Target == GL_TEXTURE_1D_ARRAY)
-      depth = intelImage->base.Base.Height;
-   else
-      depth = intelImage->base.Base.Depth;
+   const unsigned face = intelImage->base.Base.Face;
+   unsigned start_layer, end_layer;
+
+   if (intel_obj->base.Target == GL_TEXTURE_1D_ARRAY) {
+      assert(face == 0);
+      assert(intelImage->base.Base.Height);
+      start_layer = 0;
+      end_layer = intelImage->base.Base.Height - 1;
+   } else if (face > 0) {
+      start_layer = face;
+      end_layer = face;
+   } else {
+      assert(intelImage->base.Base.Depth);
+      start_layer = 0;
+      end_layer = intelImage->base.Base.Depth - 1;
+   }
 
    if (!invalidate) {
-      for (int slice = 0; slice < depth; slice++) {
-         intel_miptree_copy_slice(brw, dst_mt, src_mt, level, face, slice);
+      for (unsigned i = start_layer; i <= end_layer; i++) {
+         intel_miptree_copy_slice(brw,
+                                  src_mt, level, i,
+                                  dst_mt, level, i);
       }
    }
 
@@ -1386,64 +1609,45 @@ intel_miptree_init_mcs(struct brw_context *brw,
     *
     * Note: the clear value for MCS buffers is all 1's, so we memset to 0xff.
     */
-   const int ret = brw_bo_map_gtt(brw, mt->mcs_buf->bo, "miptree");
-   if (unlikely(ret)) {
+   void *map = brw_bo_map(brw, mt->mcs_buf->bo, MAP_WRITE);
+   if (unlikely(map == NULL)) {
       fprintf(stderr, "Failed to map mcs buffer into GTT\n");
-      drm_bacon_bo_unreference(mt->mcs_buf->bo);
+      brw_bo_unreference(mt->mcs_buf->bo);
       free(mt->mcs_buf);
       return;
    }
-   void *data = mt->mcs_buf->bo->virtual;
+   void *data = map;
    memset(data, init_value, mt->mcs_buf->size);
-   drm_bacon_bo_unmap(mt->mcs_buf->bo);
+   brw_bo_unmap(mt->mcs_buf->bo);
 }
 
 static struct intel_miptree_aux_buffer *
-intel_mcs_miptree_buf_create(struct brw_context *brw,
-                             struct intel_mipmap_tree *mt,
-                             mesa_format format,
-                             unsigned mcs_width,
-                             unsigned mcs_height,
-                             uint32_t layout_flags)
+intel_alloc_aux_buffer(struct brw_context *brw,
+                       const char *name,
+                       const struct isl_surf *aux_surf,
+                       uint32_t alloc_flags,
+                       struct intel_mipmap_tree *mt)
 {
    struct intel_miptree_aux_buffer *buf = calloc(sizeof(*buf), 1);
-   struct intel_mipmap_tree *temp_mt;
-
    if (!buf)
-      return NULL;
+      return false;
 
-   /* From the Ivy Bridge PRM, Vol4 Part1 p76, "MCS Base Address":
-    *
-    *     "The MCS surface must be stored as Tile Y."
+   buf->size = aux_surf->size;
+   buf->pitch = aux_surf->row_pitch;
+   buf->qpitch = isl_surf_get_array_pitch_sa_rows(aux_surf);
+
+   /* ISL has stricter set of alignment rules then the drm allocator.
+    * Therefore one can pass the ISL dimensions in terms of bytes instead of
+    * trying to recalculate based on different format block sizes.
     */
-   layout_flags |= MIPTREE_LAYOUT_TILING_Y;
-   temp_mt = miptree_create(brw,
-                            mt->target,
-                            format,
-                            mt->first_level,
-                            mt->last_level,
-                            mcs_width,
-                            mcs_height,
-                            mt->logical_depth0,
-                            0 /* num_samples */,
-                            layout_flags);
-   if (!temp_mt) {
+   buf->bo = brw_bo_alloc_tiled(brw->bufmgr, name, buf->size,
+                                I915_TILING_Y, buf->pitch, alloc_flags);
+   if (!buf->bo) {
       free(buf);
       return NULL;
    }
 
-   buf->bo = temp_mt->bo;
-   buf->offset = temp_mt->offset;
-   buf->size = temp_mt->total_height * temp_mt->pitch;
-   buf->pitch = temp_mt->pitch;
-   buf->qpitch = temp_mt->qpitch;
-
-   /* Just hang on to the BO which backs the AUX buffer; the rest of the miptree
-    * structure should go away. We use miptree create simply as a means to make
-    * sure all the constraints for the buffer are satisfied.
-    */
-   drm_bacon_bo_reference(temp_mt->bo);
-   intel_miptree_release(&temp_mt);
+   buf->surf = *aux_surf;
 
    return buf;
 }
@@ -1457,57 +1661,38 @@ intel_miptree_alloc_mcs(struct brw_context *brw,
    assert(mt->mcs_buf == NULL);
    assert((mt->aux_disable & INTEL_AUX_DISABLE_MCS) == 0);
 
-   /* Choose the correct format for the MCS buffer.  All that really matters
-    * is that we allocate the right buffer size, since we'll always be
-    * accessing this miptree using MCS-specific hardware mechanisms, which
-    * infer the correct format based on num_samples.
-    */
-   mesa_format format;
-   switch (num_samples) {
-   case 2:
-   case 4:
-      /* 8 bits/pixel are required for MCS data when using 4x MSAA (2 bits for
-       * each sample).
-       */
-      format = MESA_FORMAT_R_UNORM8;
-      break;
-   case 8:
-      /* 32 bits/pixel are required for MCS data when using 8x MSAA (3 bits
-       * for each sample, plus 8 padding bits).
-       */
-      format = MESA_FORMAT_R_UINT32;
-      break;
-   case 16:
-      /* 64 bits/pixel are required for MCS data when using 16x MSAA (4 bits
-       * for each sample).
-       */
-      format = MESA_FORMAT_RG_UINT32;
-      break;
-   default:
-      unreachable("Unrecognized sample count in intel_miptree_alloc_mcs");
-   };
+   /* Multisampled miptrees are only supported for single level. */
+   assert(mt->first_level == 0);
+   enum isl_aux_state **aux_state =
+      create_aux_state_map(mt, ISL_AUX_STATE_CLEAR);
+   if (!aux_state)
+      return false;
 
-   mt->mcs_buf =
-      intel_mcs_miptree_buf_create(brw, mt,
-                                   format,
-                                   mt->logical_width0,
-                                   mt->logical_height0,
-                                   MIPTREE_LAYOUT_ACCELERATED_UPLOAD);
-   if (!mt->mcs_buf)
+   struct isl_surf temp_main_surf;
+   struct isl_surf temp_mcs_surf;
+
+   /* Create first an ISL presentation for the main color surface and let ISL
+    * calculate equivalent MCS surface against it.
+    */
+   intel_miptree_get_isl_surf(brw, mt, &temp_main_surf);
+   assert(isl_surf_get_mcs_surf(&brw->isl_dev, &temp_main_surf,
+                                &temp_mcs_surf));
+
+   const uint32_t alloc_flags = BO_ALLOC_FOR_RENDER;
+   mt->mcs_buf = intel_alloc_aux_buffer(brw, "mcs-miptree",
+                                        &temp_mcs_surf, alloc_flags, mt);
+   if (!mt->mcs_buf) {
+      free(aux_state);
       return false;
+   }
 
-   intel_miptree_init_mcs(brw, mt, 0xFF);
+   mt->aux_state = aux_state;
 
-   /* Multisampled miptrees are only supported for single level. */
-   assert(mt->first_level == 0);
-   intel_miptree_set_fast_clear_state(brw, mt, mt->first_level, 0,
-                                      mt->logical_depth0,
-                                      INTEL_FAST_CLEAR_STATE_CLEAR);
+   intel_miptree_init_mcs(brw, mt, 0xFF);
 
    return true;
 }
 
-
 bool
 intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
                                  struct intel_mipmap_tree *mt,
@@ -1529,14 +1714,11 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
    assert(temp_ccs_surf.size &&
           (temp_ccs_surf.size % temp_ccs_surf.row_pitch == 0));
 
-   struct intel_miptree_aux_buffer *buf = calloc(sizeof(*buf), 1);
-   if (!buf)
+   enum isl_aux_state **aux_state =
+      create_aux_state_map(mt, ISL_AUX_STATE_PASS_THROUGH);
+   if (!aux_state)
       return false;
 
-   buf->size = temp_ccs_surf.size;
-   buf->pitch = temp_ccs_surf.row_pitch;
-   buf->qpitch = isl_surf_get_array_pitch_sa_rows(&temp_ccs_surf);
-
    /* In case of compression mcs buffer needs to be initialised requiring the
     * buffer to be immediately mapped to cpu space for writing. Therefore do
     * not use the gpu access flag which can cause an unnecessary delay if the
@@ -1544,25 +1726,14 @@ intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
     */
    const uint32_t alloc_flags =
       is_lossless_compressed ? 0 : BO_ALLOC_FOR_RENDER;
-   uint32_t tiling = I915_TILING_Y;
-   unsigned long pitch;
-
-   /* ISL has stricter set of alignment rules then the drm allocator.
-    * Therefore one can pass the ISL dimensions in terms of bytes instead of
-    * trying to recalculate based on different format block sizes.
-    */
-   buf->bo = drm_bacon_bo_alloc_tiled(brw->bufmgr, "ccs-miptree",
-                                      buf->pitch, buf->size / buf->pitch,
-                                      1, &tiling, &pitch, alloc_flags);
-   if (buf->bo) {
-      assert(pitch == buf->pitch);
-      assert(tiling == I915_TILING_Y);
-   } else {
-      free(buf);
+   mt->mcs_buf = intel_alloc_aux_buffer(brw, "ccs-miptree",
+                                        &temp_ccs_surf, alloc_flags, mt);
+   if (!mt->mcs_buf) {
+      free(aux_state);
       return false;
    }
-
-   mt->mcs_buf = buf;
+  
+   mt->aux_state = aux_state;
 
    /* From Gen9 onwards single-sampled (non-msrt) auxiliary buffers are
     * used for lossless compression which requires similar initialisation
@@ -1686,23 +1857,16 @@ intel_gen7_hiz_buf_create(struct brw_context *brw,
       hz_height = DIV_ROUND_UP(hz_qpitch * Z0, 2 * 8) * 8;
    }
 
-   unsigned long pitch;
-   uint32_t tiling = I915_TILING_Y;
-   buf->aux_base.bo = drm_bacon_bo_alloc_tiled(brw->bufmgr, "hiz",
-                                               hz_width, hz_height, 1,
-                                               &tiling, &pitch,
-                                               BO_ALLOC_FOR_RENDER);
+   buf->aux_base.bo = brw_bo_alloc_tiled_2d(brw->bufmgr, "hiz",
+                                            hz_width, hz_height, 1,
+                                            I915_TILING_Y, &buf->aux_base.pitch,
+                                            BO_ALLOC_FOR_RENDER);
    if (!buf->aux_base.bo) {
       free(buf);
       return NULL;
-   } else if (tiling != I915_TILING_Y) {
-      drm_bacon_bo_unreference(buf->aux_base.bo);
-      free(buf);
-      return NULL;
    }
 
    buf->aux_base.size = hz_width * hz_height;
-   buf->aux_base.pitch = pitch;
 
    return buf;
 }
@@ -1783,23 +1947,16 @@ intel_gen8_hiz_buf_create(struct brw_context *brw,
       hz_height = DIV_ROUND_UP(buf->aux_base.qpitch, 2 * 8) * 8 * Z0;
    }
 
-   unsigned long pitch;
-   uint32_t tiling = I915_TILING_Y;
-   buf->aux_base.bo = drm_bacon_bo_alloc_tiled(brw->bufmgr, "hiz",
-                                               hz_width, hz_height, 1,
-                                               &tiling, &pitch,
-                                               BO_ALLOC_FOR_RENDER);
+   buf->aux_base.bo = brw_bo_alloc_tiled_2d(brw->bufmgr, "hiz",
+                                            hz_width, hz_height, 1,
+                                            I915_TILING_Y, &buf->aux_base.pitch,
+                                            BO_ALLOC_FOR_RENDER);
    if (!buf->aux_base.bo) {
       free(buf);
       return NULL;
-   } else if (tiling != I915_TILING_Y) {
-      drm_bacon_bo_unreference(buf->aux_base.bo);
-      free(buf);
-      return NULL;
    }
 
    buf->aux_base.size = hz_width * hz_height;
-   buf->aux_base.pitch = pitch;
 
    return buf;
 }
@@ -1810,40 +1967,26 @@ intel_hiz_miptree_buf_create(struct brw_context *brw,
                              struct intel_mipmap_tree *mt)
 {
    struct intel_miptree_hiz_buffer *buf = calloc(sizeof(*buf), 1);
-   uint32_t layout_flags = MIPTREE_LAYOUT_ACCELERATED_UPLOAD;
-
-   if (brw->gen == 6)
-      layout_flags |= MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD;
-
    if (!buf)
       return NULL;
 
-   layout_flags |= MIPTREE_LAYOUT_TILING_ANY;
-   buf->mt = intel_miptree_create(brw,
-                                  mt->target,
-                                  mt->format,
-                                  mt->first_level,
-                                  mt->last_level,
-                                  mt->logical_width0,
-                                  mt->logical_height0,
-                                  mt->logical_depth0,
-                                  mt->num_samples,
-                                  layout_flags);
-   if (!buf->mt) {
+   struct isl_surf temp_main_surf;
+   intel_miptree_get_isl_surf(brw, mt, &temp_main_surf);
+
+   if (!isl_surf_get_hiz_surf(&brw->isl_dev, &temp_main_surf,
+                              &buf->aux_base.surf)) {
       free(buf);
       return NULL;
    }
 
-   buf->aux_base.bo = buf->mt->bo;
-   buf->aux_base.size = buf->mt->total_height * buf->mt->pitch;
-   buf->aux_base.pitch = buf->mt->pitch;
-
-   /* On gen6 hiz is unconditionally laid out packing all slices
-    * at each level-of-detail (LOD). This means there is no valid qpitch
-    * setting. In fact, this is ignored when hardware is setup - there is no
-    * hardware qpitch setting of hiz on gen6.
-    */
-   buf->aux_base.qpitch = 0;
+   struct isl_surf *surf = &buf->aux_base.surf;
+   buf->aux_base.bo = brw_bo_alloc_tiled(brw->bufmgr, "hiz", surf->size,
+                                         I915_TILING_Y, surf->row_pitch,
+                                         BO_ALLOC_FOR_RENDER);
+   if (!buf->aux_base.bo) {
+      free(buf);
+      return NULL;
+   }
 
    return buf;
 }
@@ -1880,6 +2023,11 @@ intel_miptree_alloc_hiz(struct brw_context *brw,
    assert(mt->hiz_buf == NULL);
    assert((mt->aux_disable & INTEL_AUX_DISABLE_HIZ) == 0);
 
+   enum isl_aux_state **aux_state =
+      create_aux_state_map(mt, ISL_AUX_STATE_AUX_INVALID);
+   if (!aux_state)
+      return false;
+
    if (brw->gen == 7) {
       mt->hiz_buf = intel_gen7_hiz_buf_create(brw, mt);
    } else if (brw->gen >= 8) {
@@ -1888,24 +2036,15 @@ intel_miptree_alloc_hiz(struct brw_context *brw,
       mt->hiz_buf = intel_hiz_miptree_buf_create(brw, mt);
    }
 
-   if (!mt->hiz_buf)
+   if (!mt->hiz_buf) {
+      free(aux_state);
       return false;
+   }
 
-   /* Mark that all slices need a HiZ resolve. */
-   for (unsigned level = mt->first_level; level <= mt->last_level; ++level) {
-      if (!intel_miptree_level_enable_hiz(brw, mt, level))
-         continue;
-
-      for (unsigned layer = 0; layer < mt->level[level].depth; ++layer) {
-         struct intel_resolve_map *m = malloc(sizeof(struct intel_resolve_map));
-         exec_node_init(&m->link);
-         m->level = level;
-         m->layer = layer;
-         m->need = BLORP_HIZ_OP_HIZ_RESOLVE;
+   for (unsigned level = mt->first_level; level <= mt->last_level; ++level)
+      intel_miptree_level_enable_hiz(brw, mt, level);
 
-         exec_list_push_tail(&mt->hiz_map, &m->link);
-      }
-   }
+   mt->aux_state = aux_state;
 
    return true;
 }
@@ -1958,293 +2097,671 @@ intel_miptree_sample_with_hiz(struct brw_context *brw,
  * Does the miptree slice have hiz enabled?
  */
 bool
-intel_miptree_level_has_hiz(struct intel_mipmap_tree *mt, uint32_t level)
+intel_miptree_level_has_hiz(const struct intel_mipmap_tree *mt, uint32_t level)
 {
    intel_miptree_check_level_layer(mt, level, 0);
    return mt->level[level].has_hiz;
 }
 
-void
-intel_miptree_slice_set_needs_hiz_resolve(struct intel_mipmap_tree *mt,
-                                         uint32_t level,
-                                         uint32_t layer)
+bool
+intel_miptree_has_color_unresolved(const struct intel_mipmap_tree *mt,
+                                   unsigned start_level, unsigned num_levels,
+                                   unsigned start_layer, unsigned num_layers)
 {
-   if (!intel_miptree_level_has_hiz(mt, level))
-      return;
+   assert(_mesa_is_format_color_format(mt->format));
 
-   intel_resolve_map_set(&mt->hiz_map,
-                        level, layer, BLORP_HIZ_OP_HIZ_RESOLVE);
-}
+   if (!mt->mcs_buf)
+      return false;
 
+   /* Clamp the level range to fit the miptree */
+   assert(start_level + num_levels >= start_level);
+   const uint32_t last_level =
+      MIN2(mt->last_level, start_level + num_levels - 1);
+   start_level = MAX2(mt->first_level, start_level);
+   num_levels = last_level - start_level + 1;
+
+   for (uint32_t level = start_level; level <= last_level; level++) {
+      const uint32_t level_layers = MIN2(num_layers, mt->level[level].depth);
+      for (unsigned a = 0; a < level_layers; a++) {
+         enum isl_aux_state aux_state =
+            intel_miptree_get_aux_state(mt, level, start_layer + a);
+         assert(aux_state != ISL_AUX_STATE_AUX_INVALID);
+         if (aux_state != ISL_AUX_STATE_PASS_THROUGH)
+            return true;
+      }
+   }
 
-void
-intel_miptree_slice_set_needs_depth_resolve(struct intel_mipmap_tree *mt,
-                                            uint32_t level,
-                                            uint32_t layer)
+   return false;
+}
+
+static void
+intel_miptree_check_color_resolve(const struct brw_context *brw,
+                                  const struct intel_mipmap_tree *mt,
+                                  unsigned level, unsigned layer)
 {
-   if (!intel_miptree_level_has_hiz(mt, level))
+
+   if ((mt->aux_disable & INTEL_AUX_DISABLE_CCS) || !mt->mcs_buf)
       return;
 
-   intel_resolve_map_set(&mt->hiz_map,
-                        level, layer, BLORP_HIZ_OP_DEPTH_RESOLVE);
+   /* Fast color clear is supported for mipmapped surfaces only on Gen8+. */
+   assert(brw->gen >= 8 ||
+          (level == 0 && mt->first_level == 0 && mt->last_level == 0));
+
+   /* Compression of arrayed msaa surfaces is supported. */
+   if (mt->num_samples > 1)
+      return;
+
+   /* Fast color clear is supported for non-msaa arrays only on Gen8+. */
+   assert(brw->gen >= 8 || (layer == 0 && mt->logical_depth0 == 1));
+
+   (void)level;
+   (void)layer;
 }
 
-void
-intel_miptree_set_all_slices_need_depth_resolve(struct intel_mipmap_tree *mt,
-                                                uint32_t level)
+static enum blorp_fast_clear_op
+get_ccs_d_resolve_op(enum isl_aux_state aux_state,
+                     bool ccs_supported, bool fast_clear_supported)
 {
-   uint32_t layer;
-   uint32_t end_layer = mt->level[level].depth;
+   assert(ccs_supported == fast_clear_supported);
 
-   for (layer = 0; layer < end_layer; layer++) {
-      intel_miptree_slice_set_needs_depth_resolve(mt, level, layer);
+   switch (aux_state) {
+   case ISL_AUX_STATE_CLEAR:
+   case ISL_AUX_STATE_COMPRESSED_CLEAR:
+      if (!ccs_supported)
+         return BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
+      else
+         return BLORP_FAST_CLEAR_OP_NONE;
+
+   case ISL_AUX_STATE_PASS_THROUGH:
+      return BLORP_FAST_CLEAR_OP_NONE;
+
+   case ISL_AUX_STATE_RESOLVED:
+   case ISL_AUX_STATE_AUX_INVALID:
+   case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+      break;
    }
+
+   unreachable("Invalid aux state for CCS_D");
 }
 
-static bool
-intel_miptree_slice_resolve(struct brw_context *brw,
-                           struct intel_mipmap_tree *mt,
-                           uint32_t level,
-                           uint32_t layer,
-                           enum blorp_hiz_op need)
+static enum blorp_fast_clear_op
+get_ccs_e_resolve_op(enum isl_aux_state aux_state,
+                     bool ccs_supported, bool fast_clear_supported)
 {
-   intel_miptree_check_level_layer(mt, level, layer);
+   switch (aux_state) {
+   case ISL_AUX_STATE_CLEAR:
+   case ISL_AUX_STATE_COMPRESSED_CLEAR:
+      if (!ccs_supported)
+         return BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
+      else if (!fast_clear_supported)
+         return BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL;
+      else
+         return BLORP_FAST_CLEAR_OP_NONE;
 
-   struct intel_resolve_map *item =
-        intel_resolve_map_get(&mt->hiz_map, level, layer);
+   case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+      if (!ccs_supported)
+         return BLORP_FAST_CLEAR_OP_RESOLVE_FULL;
+      else
+         return BLORP_FAST_CLEAR_OP_NONE;
 
-   if (!item || item->need != need)
-      return false;
+   case ISL_AUX_STATE_PASS_THROUGH:
+      return BLORP_FAST_CLEAR_OP_NONE;
 
-   intel_hiz_exec(brw, mt, level, layer, need);
-   intel_resolve_map_remove(item);
-   return true;
-}
+   case ISL_AUX_STATE_RESOLVED:
+   case ISL_AUX_STATE_AUX_INVALID:
+      break;
+   }
 
-bool
-intel_miptree_slice_resolve_hiz(struct brw_context *brw,
-                               struct intel_mipmap_tree *mt,
-                               uint32_t level,
-                               uint32_t layer)
-{
-   return intel_miptree_slice_resolve(brw, mt, level, layer,
-                                     BLORP_HIZ_OP_HIZ_RESOLVE);
+   unreachable("Invalid aux state for CCS_E");
 }
 
-bool
-intel_miptree_slice_resolve_depth(struct brw_context *brw,
-                                 struct intel_mipmap_tree *mt,
-                                 uint32_t level,
-                                 uint32_t layer)
+static void
+intel_miptree_prepare_ccs_access(struct brw_context *brw,
+                                 struct intel_mipmap_tree *mt,
+                                 uint32_t level, uint32_t layer,
+                                 bool aux_supported,
+                                 bool fast_clear_supported)
 {
-   return intel_miptree_slice_resolve(brw, mt, level, layer,
-                                     BLORP_HIZ_OP_DEPTH_RESOLVE);
-}
+   enum isl_aux_state aux_state = intel_miptree_get_aux_state(mt, level, layer);
 
-static bool
-intel_miptree_all_slices_resolve(struct brw_context *brw,
-                                struct intel_mipmap_tree *mt,
-                                enum blorp_hiz_op need)
-{
-   bool did_resolve = false;
+   enum blorp_fast_clear_op resolve_op;
+   if (intel_miptree_is_lossless_compressed(brw, mt)) {
+      resolve_op = get_ccs_e_resolve_op(aux_state, aux_supported,
+                                        fast_clear_supported);
+   } else {
+      resolve_op = get_ccs_d_resolve_op(aux_state, aux_supported,
+                                        fast_clear_supported);
+   }
 
-   foreach_list_typed_safe(struct intel_resolve_map, map, link, &mt->hiz_map) {
-      if (map->need != need)
-        continue;
+   if (resolve_op != BLORP_FAST_CLEAR_OP_NONE) {
+      intel_miptree_check_color_resolve(brw, mt, level, layer);
+      brw_blorp_resolve_color(brw, mt, level, layer, resolve_op);
 
-      intel_hiz_exec(brw, mt, map->level, map->layer, need);
-      intel_resolve_map_remove(map);
-      did_resolve = true;
-   }
+      switch (resolve_op) {
+      case BLORP_FAST_CLEAR_OP_RESOLVE_FULL:
+         /* The CCS full resolve operation destroys the CCS and sets it to the
+          * pass-through state.  (You can also think of this as being both a
+          * resolve and an ambiguate in one operation.)
+          */
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_PASS_THROUGH);
+         break;
+
+      case BLORP_FAST_CLEAR_OP_RESOLVE_PARTIAL:
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_COMPRESSED_NO_CLEAR);
+         break;
 
-   return did_resolve;
+      default:
+         unreachable("Invalid resolve op");
+      }
+   }
 }
 
-bool
-intel_miptree_all_slices_resolve_hiz(struct brw_context *brw,
-                                    struct intel_mipmap_tree *mt)
+static void
+intel_miptree_finish_ccs_write(struct brw_context *brw,
+                               struct intel_mipmap_tree *mt,
+                               uint32_t level, uint32_t layer,
+                               bool written_with_ccs)
 {
-   return intel_miptree_all_slices_resolve(brw, mt,
-                                          BLORP_HIZ_OP_HIZ_RESOLVE);
+   enum isl_aux_state aux_state = intel_miptree_get_aux_state(mt, level, layer);
+
+   if (intel_miptree_is_lossless_compressed(brw, mt)) {
+      switch (aux_state) {
+      case ISL_AUX_STATE_CLEAR:
+         assert(written_with_ccs);
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_COMPRESSED_CLEAR);
+         break;
+
+      case ISL_AUX_STATE_COMPRESSED_CLEAR:
+      case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+         assert(written_with_ccs);
+         break; /* Nothing to do */
+
+      case ISL_AUX_STATE_PASS_THROUGH:
+         if (written_with_ccs) {
+            intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                        ISL_AUX_STATE_COMPRESSED_NO_CLEAR);
+         } else {
+            /* Nothing to do */
+         }
+         break;
+
+      case ISL_AUX_STATE_RESOLVED:
+      case ISL_AUX_STATE_AUX_INVALID:
+         unreachable("Invalid aux state for CCS_E");
+      }
+   } else {
+      /* CCS_D is a bit simpler */
+      switch (aux_state) {
+      case ISL_AUX_STATE_CLEAR:
+         assert(written_with_ccs);
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_COMPRESSED_CLEAR);
+         break;
+
+      case ISL_AUX_STATE_COMPRESSED_CLEAR:
+         assert(written_with_ccs);
+         break; /* Nothing to do */
+
+      case ISL_AUX_STATE_PASS_THROUGH:
+         /* Nothing to do */
+         break;
+
+      case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+      case ISL_AUX_STATE_RESOLVED:
+      case ISL_AUX_STATE_AUX_INVALID:
+         unreachable("Invalid aux state for CCS_D");
+      }
+   }
 }
 
-bool
-intel_miptree_all_slices_resolve_depth(struct brw_context *brw,
-                                      struct intel_mipmap_tree *mt)
-{
-   return intel_miptree_all_slices_resolve(brw, mt,
-                                          BLORP_HIZ_OP_DEPTH_RESOLVE);
+static void
+intel_miptree_finish_mcs_write(struct brw_context *brw,
+                               struct intel_mipmap_tree *mt,
+                               uint32_t level, uint32_t layer,
+                               bool written_with_aux)
+{
+   switch (intel_miptree_get_aux_state(mt, level, layer)) {
+   case ISL_AUX_STATE_CLEAR:
+      assert(written_with_aux);
+      intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                  ISL_AUX_STATE_COMPRESSED_CLEAR);
+      break;
+
+   case ISL_AUX_STATE_COMPRESSED_CLEAR:
+      assert(written_with_aux);
+      break; /* Nothing to do */
+
+   case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+   case ISL_AUX_STATE_RESOLVED:
+   case ISL_AUX_STATE_PASS_THROUGH:
+   case ISL_AUX_STATE_AUX_INVALID:
+      unreachable("Invalid aux state for MCS");
+   }
 }
 
-enum intel_fast_clear_state
-intel_miptree_get_fast_clear_state(const struct intel_mipmap_tree *mt,
-                                   unsigned level, unsigned layer)
-{
-   intel_miptree_check_level_layer(mt, level, layer);
+static void
+intel_miptree_prepare_hiz_access(struct brw_context *brw,
+                                 struct intel_mipmap_tree *mt,
+                                 uint32_t level, uint32_t layer,
+                                 bool hiz_supported, bool fast_clear_supported)
+{
+   enum blorp_hiz_op hiz_op = BLORP_HIZ_OP_NONE;
+   switch (intel_miptree_get_aux_state(mt, level, layer)) {
+   case ISL_AUX_STATE_CLEAR:
+   case ISL_AUX_STATE_COMPRESSED_CLEAR:
+      if (!hiz_supported || !fast_clear_supported)
+         hiz_op = BLORP_HIZ_OP_DEPTH_RESOLVE;
+      break;
+
+   case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+      if (!hiz_supported)
+         hiz_op = BLORP_HIZ_OP_DEPTH_RESOLVE;
+      break;
 
-   const struct intel_resolve_map *item =
-      intel_resolve_map_const_get(&mt->color_resolve_map, level, layer);
+   case ISL_AUX_STATE_PASS_THROUGH:
+   case ISL_AUX_STATE_RESOLVED:
+      break;
 
-   if (!item)
-      return INTEL_FAST_CLEAR_STATE_RESOLVED;
+   case ISL_AUX_STATE_AUX_INVALID:
+      if (hiz_supported)
+         hiz_op = BLORP_HIZ_OP_HIZ_RESOLVE;
+      break;
+   }
+
+   if (hiz_op != BLORP_HIZ_OP_NONE) {
+      intel_hiz_exec(brw, mt, level, layer, 1, hiz_op);
+
+      switch (hiz_op) {
+      case BLORP_HIZ_OP_DEPTH_RESOLVE:
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_RESOLVED);
+         break;
 
-   return item->fast_clear_state;
+      case BLORP_HIZ_OP_HIZ_RESOLVE:
+         /* The HiZ resolve operation is actually an ambiguate */
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_PASS_THROUGH);
+         break;
+
+      default:
+         unreachable("Invalid HiZ op");
+      }
+   }
 }
 
 static void
-intel_miptree_check_color_resolve(const struct brw_context *brw,
-                                  const struct intel_mipmap_tree *mt,
-                                  unsigned level, unsigned layer)
-{
+intel_miptree_finish_hiz_write(struct brw_context *brw,
+                               struct intel_mipmap_tree *mt,
+                               uint32_t level, uint32_t layer,
+                               bool written_with_hiz)
+{
+   switch (intel_miptree_get_aux_state(mt, level, layer)) {
+   case ISL_AUX_STATE_CLEAR:
+      assert(written_with_hiz);
+      intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                  ISL_AUX_STATE_COMPRESSED_CLEAR);
+      break;
 
-   if ((mt->aux_disable & INTEL_AUX_DISABLE_CCS) || !mt->mcs_buf)
-      return;
+   case ISL_AUX_STATE_COMPRESSED_NO_CLEAR:
+   case ISL_AUX_STATE_COMPRESSED_CLEAR:
+      assert(written_with_hiz);
+      break; /* Nothing to do */
 
-   /* Fast color clear is supported for mipmapped surfaces only on Gen8+. */
-   assert(brw->gen >= 8 ||
-          (level == 0 && mt->first_level == 0 && mt->last_level == 0));
+   case ISL_AUX_STATE_RESOLVED:
+      if (written_with_hiz) {
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_COMPRESSED_NO_CLEAR);
+      } else {
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_AUX_INVALID);
+      }
+      break;
 
-   /* Compression of arrayed msaa surfaces is supported. */
-   if (mt->num_samples > 1)
-      return;
+   case ISL_AUX_STATE_PASS_THROUGH:
+      if (written_with_hiz) {
+         intel_miptree_set_aux_state(brw, mt, level, layer, 1,
+                                     ISL_AUX_STATE_COMPRESSED_NO_CLEAR);
+      }
+      break;
 
-   /* Fast color clear is supported for non-msaa arrays only on Gen8+. */
-   assert(brw->gen >= 8 || (layer == 0 && mt->logical_depth0 == 1));
+   case ISL_AUX_STATE_AUX_INVALID:
+      assert(!written_with_hiz);
+      break;
+   }
+}
 
-   (void)level;
-   (void)layer;
+static inline uint32_t
+miptree_level_range_length(const struct intel_mipmap_tree *mt,
+                           uint32_t start_level, uint32_t num_levels)
+{
+   assert(start_level >= mt->first_level);
+   assert(start_level <= mt->last_level);
+
+   if (num_levels == INTEL_REMAINING_LAYERS)
+      num_levels = mt->last_level - start_level + 1;
+   /* Check for overflow */
+   assert(start_level + num_levels >= start_level);
+   assert(start_level + num_levels <= mt->last_level + 1);
+
+   return num_levels;
 }
 
-void
-intel_miptree_set_fast_clear_state(const struct brw_context *brw,
-                                   struct intel_mipmap_tree *mt,
-                                   unsigned level,
-                                   unsigned first_layer,
-                                   unsigned num_layers,
-                                   enum intel_fast_clear_state new_state)
+static inline uint32_t
+miptree_layer_range_length(const struct intel_mipmap_tree *mt, uint32_t level,
+                           uint32_t start_layer, uint32_t num_layers)
 {
-   /* Setting the state to resolved means removing the item from the list
-    * altogether.
-    */
-   assert(new_state != INTEL_FAST_CLEAR_STATE_RESOLVED);
+   assert(level <= mt->last_level);
+   uint32_t total_num_layers;
 
-   intel_miptree_check_color_resolve(brw, mt, level, first_layer);
+   if (mt->surf.size > 0)
+      total_num_layers = mt->surf.dim == ISL_SURF_DIM_3D ?
+         minify(mt->surf.phys_level0_sa.depth, level) :
+         mt->surf.phys_level0_sa.array_len;
+   else 
+      total_num_layers = mt->level[level].depth;
 
-   assert(first_layer + num_layers <= mt->physical_depth0);
+   assert(start_layer < total_num_layers);
+   if (num_layers == INTEL_REMAINING_LAYERS)
+      num_layers = total_num_layers - start_layer;
+   /* Check for overflow */
+   assert(start_layer + num_layers >= start_layer);
+   assert(start_layer + num_layers <= total_num_layers);
 
-   for (unsigned i = 0; i < num_layers; i++)
-      intel_resolve_map_set(&mt->color_resolve_map, level,
-                            first_layer + i, new_state);
+   return num_layers;
 }
 
-bool
-intel_miptree_has_color_unresolved(const struct intel_mipmap_tree *mt,
-                                   unsigned start_level, unsigned num_levels,
-                                   unsigned start_layer, unsigned num_layers)
+void
+intel_miptree_prepare_access(struct brw_context *brw,
+                             struct intel_mipmap_tree *mt,
+                             uint32_t start_level, uint32_t num_levels,
+                             uint32_t start_layer, uint32_t num_layers,
+                             bool aux_supported, bool fast_clear_supported)
 {
-   return intel_resolve_map_find_any(&mt->color_resolve_map,
-                                     start_level, num_levels,
-                                     start_layer, num_layers) != NULL;
+   num_levels = miptree_level_range_length(mt, start_level, num_levels);
+
+   if (_mesa_is_format_color_format(mt->format)) {
+      if (!mt->mcs_buf)
+         return;
+
+      if (mt->num_samples > 1) {
+         /* Nothing to do for MSAA */
+         assert(aux_supported && fast_clear_supported);
+      } else {
+         for (uint32_t l = 0; l < num_levels; l++) {
+            const uint32_t level = start_level + l;
+            const uint32_t level_layers =
+               miptree_layer_range_length(mt, level, start_layer, num_layers);
+            for (uint32_t a = 0; a < level_layers; a++) {
+               intel_miptree_prepare_ccs_access(brw, mt, level,
+                                                start_layer + a, aux_supported,
+                                                fast_clear_supported);
+            }
+         }
+      }
+   } else if (mt->format == MESA_FORMAT_S_UINT8) {
+      /* Nothing to do for stencil */
+   } else {
+      if (!mt->hiz_buf)
+         return;
+
+      for (uint32_t l = 0; l < num_levels; l++) {
+         const uint32_t level = start_level + l;
+         if (!intel_miptree_level_has_hiz(mt, level))
+            continue;
+
+         const uint32_t level_layers =
+            miptree_layer_range_length(mt, level, start_layer, num_layers);
+         for (uint32_t a = 0; a < level_layers; a++) {
+            intel_miptree_prepare_hiz_access(brw, mt, level, start_layer + a,
+                                             aux_supported,
+                                             fast_clear_supported);
+         }
+      }
+   }
 }
 
 void
-intel_miptree_used_for_rendering(const struct brw_context *brw,
-                                 struct intel_mipmap_tree *mt, unsigned level,
-                                 unsigned start_layer, unsigned num_layers)
+intel_miptree_finish_write(struct brw_context *brw,
+                           struct intel_mipmap_tree *mt, uint32_t level,
+                           uint32_t start_layer, uint32_t num_layers,
+                           bool written_with_aux)
 {
-   const bool is_lossless_compressed =
-      intel_miptree_is_lossless_compressed(brw, mt);
+   num_layers = miptree_layer_range_length(mt, level, start_layer, num_layers);
 
-   for (unsigned i = 0; i < num_layers; ++i) {
-      const enum intel_fast_clear_state fast_clear_state =
-         intel_miptree_get_fast_clear_state(mt, level, start_layer + i);
+   if (_mesa_is_format_color_format(mt->format)) {
+      if (!mt->mcs_buf)
+         return;
 
-      /* If the buffer was previously in fast clear state, change it to
-       * unresolved state, since it won't be guaranteed to be clear after
-       * rendering occurs.
-       */
-      if (is_lossless_compressed ||
-          fast_clear_state == INTEL_FAST_CLEAR_STATE_CLEAR) {
-         intel_miptree_set_fast_clear_state(
-            brw, mt, level, start_layer + i, 1,
-            INTEL_FAST_CLEAR_STATE_UNRESOLVED);
+      if (mt->num_samples > 1) {
+         for (uint32_t a = 0; a < num_layers; a++) {
+            intel_miptree_finish_mcs_write(brw, mt, level, start_layer + a,
+                                           written_with_aux);
+         }
+      } else {
+         for (uint32_t a = 0; a < num_layers; a++) {
+            intel_miptree_finish_ccs_write(brw, mt, level, start_layer + a,
+                                           written_with_aux);
+         }
+      }
+   } else if (mt->format == MESA_FORMAT_S_UINT8) {
+      /* Nothing to do for stencil */
+   } else {
+      if (!intel_miptree_level_has_hiz(mt, level))
+         return;
+
+      for (uint32_t a = 0; a < num_layers; a++) {
+         intel_miptree_finish_hiz_write(brw, mt, level, start_layer + a,
+                                        written_with_aux);
       }
    }
 }
 
-static bool
-intel_miptree_needs_color_resolve(const struct brw_context *brw,
-                                  const struct intel_mipmap_tree *mt,
-                                  int flags)
+enum isl_aux_state
+intel_miptree_get_aux_state(const struct intel_mipmap_tree *mt,
+                            uint32_t level, uint32_t layer)
 {
-   if (mt->aux_disable & INTEL_AUX_DISABLE_CCS)
-      return false;
+   intel_miptree_check_level_layer(mt, level, layer);
 
-   const bool is_lossless_compressed =
-      intel_miptree_is_lossless_compressed(brw, mt);
+   if (_mesa_is_format_color_format(mt->format)) {
+      assert(mt->mcs_buf != NULL);
+      assert(mt->num_samples <= 1 || mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS);
+   } else if (mt->format == MESA_FORMAT_S_UINT8) {
+      unreachable("Cannot get aux state for stencil");
+   } else {
+      assert(intel_miptree_level_has_hiz(mt, level));
+   }
 
-   /* From gen9 onwards there is new compression scheme for single sampled
-    * surfaces called "lossless compressed". These don't need to be always
-    * resolved.
-    */
-   if ((flags & INTEL_MIPTREE_IGNORE_CCS_E) && is_lossless_compressed)
+   return mt->aux_state[level][layer];
+}
+
+void
+intel_miptree_set_aux_state(struct brw_context *brw,
+                            struct intel_mipmap_tree *mt, uint32_t level,
+                            uint32_t start_layer, uint32_t num_layers,
+                            enum isl_aux_state aux_state)
+{
+   num_layers = miptree_layer_range_length(mt, level, start_layer, num_layers);
+
+   if (_mesa_is_format_color_format(mt->format)) {
+      assert(mt->mcs_buf != NULL);
+      assert(mt->num_samples <= 1 || mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS);
+   } else if (mt->format == MESA_FORMAT_S_UINT8) {
+      unreachable("Cannot get aux state for stencil");
+   } else {
+      assert(intel_miptree_level_has_hiz(mt, level));
+   }
+
+   for (unsigned a = 0; a < num_layers; a++)
+      mt->aux_state[level][start_layer + a] = aux_state;
+}
+
+/* On Gen9 color buffers may be compressed by the hardware (lossless
+ * compression). There are, however, format restrictions and care needs to be
+ * taken that the sampler engine is capable for re-interpreting a buffer with
+ * format different the buffer was originally written with.
+ *
+ * For example, SRGB formats are not compressible and the sampler engine isn't
+ * capable of treating RGBA_UNORM as SRGB_ALPHA. In such a case the underlying
+ * color buffer needs to be resolved so that the sampling surface can be
+ * sampled as non-compressed (i.e., without the auxiliary MCS buffer being
+ * set).
+ */
+static bool
+can_texture_with_ccs(struct brw_context *brw,
+                     struct intel_mipmap_tree *mt,
+                     mesa_format view_format)
+{
+   if (!intel_miptree_is_lossless_compressed(brw, mt))
       return false;
 
-   /* Fast color clear resolves only make sense for non-MSAA buffers. */
-   if (mt->msaa_layout != INTEL_MSAA_LAYOUT_NONE && !is_lossless_compressed)
+   enum isl_format isl_mt_format = brw_isl_format_for_mesa_format(mt->format);
+   enum isl_format isl_view_format = brw_isl_format_for_mesa_format(view_format);
+
+   if (!isl_formats_are_ccs_e_compatible(&brw->screen->devinfo,
+                                         isl_mt_format, isl_view_format)) {
+      perf_debug("Incompatible sampling format (%s) for rbc (%s)\n",
+                 _mesa_get_format_name(view_format),
+                 _mesa_get_format_name(mt->format));
       return false;
+   }
 
    return true;
 }
 
-bool
-intel_miptree_resolve_color(struct brw_context *brw,
-                            struct intel_mipmap_tree *mt, unsigned level,
-                            unsigned start_layer, unsigned num_layers,
-                            int flags)
+static void
+intel_miptree_prepare_texture_slices(struct brw_context *brw,
+                                     struct intel_mipmap_tree *mt,
+                                     mesa_format view_format,
+                                     uint32_t start_level, uint32_t num_levels,
+                                     uint32_t start_layer, uint32_t num_layers,
+                                     bool *aux_supported_out)
+{
+   bool aux_supported, clear_supported;
+   if (_mesa_is_format_color_format(mt->format)) {
+      if (mt->num_samples > 1) {
+         aux_supported = clear_supported = true;
+      } else {
+         aux_supported = can_texture_with_ccs(brw, mt, view_format);
+
+         /* Clear color is specified as ints or floats and the conversion is
+          * done by the sampler.  If we have a texture view, we would have to
+          * perform the clear color conversion manually.  Just disable clear
+          * color.
+          */
+         clear_supported = aux_supported && (mt->format == view_format);
+      }
+   } else if (mt->format == MESA_FORMAT_S_UINT8) {
+      aux_supported = clear_supported = false;
+   } else {
+      aux_supported = clear_supported = intel_miptree_sample_with_hiz(brw, mt);
+   }
+
+   intel_miptree_prepare_access(brw, mt, start_level, num_levels,
+                                start_layer, num_layers,
+                                aux_supported, clear_supported);
+   if (aux_supported_out)
+      *aux_supported_out = aux_supported;
+}
+
+void
+intel_miptree_prepare_texture(struct brw_context *brw,
+                              struct intel_mipmap_tree *mt,
+                              mesa_format view_format,
+                              bool *aux_supported_out)
 {
-   intel_miptree_check_color_resolve(brw, mt, level, start_layer);
+   intel_miptree_prepare_texture_slices(brw, mt, view_format,
+                                        0, INTEL_REMAINING_LEVELS,
+                                        0, INTEL_REMAINING_LAYERS,
+                                        aux_supported_out);
+}
 
-   if (!intel_miptree_needs_color_resolve(brw, mt, flags))
-      return false;
+void
+intel_miptree_prepare_image(struct brw_context *brw,
+                            struct intel_mipmap_tree *mt)
+{
+   /* The data port doesn't understand any compression */
+   intel_miptree_prepare_access(brw, mt, 0, INTEL_REMAINING_LEVELS,
+                                0, INTEL_REMAINING_LAYERS, false, false);
+}
 
-   /* Arrayed fast clear is only supported for gen8+. */
-   assert(brw->gen >= 8 || num_layers == 1);
+void
+intel_miptree_prepare_fb_fetch(struct brw_context *brw,
+                               struct intel_mipmap_tree *mt, uint32_t level,
+                               uint32_t start_layer, uint32_t num_layers)
+{
+   intel_miptree_prepare_texture_slices(brw, mt, mt->format, level, 1,
+                                        start_layer, num_layers, NULL);
+}
 
-   bool resolved = false;
-   for (unsigned i = 0; i < num_layers; ++i) {
-      intel_miptree_check_level_layer(mt, level, start_layer + i);
+void
+intel_miptree_prepare_render(struct brw_context *brw,
+                             struct intel_mipmap_tree *mt, uint32_t level,
+                             uint32_t start_layer, uint32_t layer_count,
+                             bool srgb_enabled)
+{
+   /* If FRAMEBUFFER_SRGB is used on Gen9+ then we need to resolve any of
+    * the single-sampled color renderbuffers because the CCS buffer isn't
+    * supported for SRGB formats. This only matters if FRAMEBUFFER_SRGB is
+    * enabled because otherwise the surface state will be programmed with
+    * the linear equivalent format anyway.
+    */
+   if (brw->gen == 9 && srgb_enabled && mt->num_samples <= 1 &&
+       _mesa_get_srgb_format_linear(mt->format) != mt->format) {
 
-      struct intel_resolve_map *item =
-         intel_resolve_map_get(&mt->color_resolve_map, level,
-                               start_layer + i);
+      /* Lossless compression is not supported for SRGB formats, it
+       * should be impossible to get here with such surfaces.
+       */
+      assert(!intel_miptree_is_lossless_compressed(brw, mt));
+      intel_miptree_prepare_access(brw, mt, level, 1, start_layer, layer_count,
+                                   false, false);
+   }
 
-      if (item) {
-         assert(item->fast_clear_state != INTEL_FAST_CLEAR_STATE_RESOLVED);
+   /* For layered rendering non-compressed fast cleared buffers need to be
+    * resolved. Surface state can carry only one fast color clear value
+    * while each layer may have its own fast clear color value. For
+    * compressed buffers color value is available in the color buffer.
+    */
+   if (layer_count > 1 &&
+       !(mt->aux_disable & INTEL_AUX_DISABLE_CCS) &&
+       !intel_miptree_is_lossless_compressed(brw, mt)) {
+      assert(brw->gen >= 8);
 
-         brw_blorp_resolve_color(brw, mt, level, start_layer);
-         intel_resolve_map_remove(item);
-         resolved = true;
-      }
+      intel_miptree_prepare_access(brw, mt, level, 1, start_layer, layer_count,
+                                   false, false);
    }
+}
 
-   return resolved;
+void
+intel_miptree_finish_render(struct brw_context *brw,
+                            struct intel_mipmap_tree *mt, uint32_t level,
+                            uint32_t start_layer, uint32_t layer_count)
+{
+   assert(_mesa_is_format_color_format(mt->format));
+   intel_miptree_finish_write(brw, mt, level, start_layer, layer_count,
+                              mt->mcs_buf != NULL);
 }
 
 void
-intel_miptree_all_slices_resolve_color(struct brw_context *brw,
-                                       struct intel_mipmap_tree *mt,
-                                       int flags)
+intel_miptree_prepare_depth(struct brw_context *brw,
+                            struct intel_mipmap_tree *mt, uint32_t level,
+                            uint32_t start_layer, uint32_t layer_count)
 {
-   if (!intel_miptree_needs_color_resolve(brw, mt, flags))
-      return;
-      
-   foreach_list_typed_safe(struct intel_resolve_map, map, link,
-                           &mt->color_resolve_map) {
-      assert(map->fast_clear_state != INTEL_FAST_CLEAR_STATE_RESOLVED);
+   intel_miptree_prepare_access(brw, mt, level, 1, start_layer, layer_count,
+                                mt->hiz_buf != NULL, mt->hiz_buf != NULL);
+}
 
-      brw_blorp_resolve_color(brw, mt, map->level, map->layer);
-      intel_resolve_map_remove(map);
+void
+intel_miptree_finish_depth(struct brw_context *brw,
+                           struct intel_mipmap_tree *mt, uint32_t level,
+                           uint32_t start_layer, uint32_t layer_count,
+                           bool depth_written)
+{
+   if (depth_written) {
+      intel_miptree_finish_write(brw, mt, level, start_layer, layer_count,
+                                 mt->hiz_buf != NULL);
    }
 }
 
@@ -2269,10 +2786,12 @@ intel_miptree_make_shareable(struct brw_context *brw,
     */
    assert(mt->msaa_layout == INTEL_MSAA_LAYOUT_NONE || mt->num_samples <= 1);
 
+   intel_miptree_prepare_access(brw, mt, 0, INTEL_REMAINING_LEVELS,
+                                0, INTEL_REMAINING_LAYERS, false, false);
+
    if (mt->mcs_buf) {
-      intel_miptree_all_slices_resolve_color(brw, mt, 0);
       mt->aux_disable |= (INTEL_AUX_DISABLE_CCS | INTEL_AUX_DISABLE_MCS);
-      drm_bacon_bo_unreference(mt->mcs_buf->bo);
+      brw_bo_unreference(mt->mcs_buf->bo);
       free(mt->mcs_buf);
       mt->mcs_buf = NULL;
 
@@ -2280,12 +2799,12 @@ intel_miptree_make_shareable(struct brw_context *brw,
        * execute any will likely crash due to the missing aux buffer. So let's
        * delete all pending ops.
        */
-      exec_list_make_empty(&mt->color_resolve_map);
+      free(mt->aux_state);
+      mt->aux_state = NULL;
    }
 
    if (mt->hiz_buf) {
       mt->aux_disable |= INTEL_AUX_DISABLE_HIZ;
-      intel_miptree_all_slices_resolve_depth(brw, mt);
       intel_miptree_hiz_buffer_free(mt->hiz_buf);
       mt->hiz_buf = NULL;
 
@@ -2297,7 +2816,8 @@ intel_miptree_make_shareable(struct brw_context *brw,
        * any will likely crash due to the missing aux buffer. So let's delete
        * all pending ops.
        */
-      exec_list_make_empty(&mt->hiz_map);
+      free(mt->aux_state);
+      mt->aux_state = NULL;
    }
 }
 
@@ -2363,27 +2883,57 @@ intel_miptree_updownsample(struct brw_context *brw,
                            struct intel_mipmap_tree *src,
                            struct intel_mipmap_tree *dst)
 {
+   unsigned src_w, src_h, dst_w, dst_h;
+
+   if (src->surf.size > 0) {
+      src_w = src->surf.logical_level0_px.width;
+      src_h = src->surf.logical_level0_px.height;
+   } else {
+      src_w = src->logical_width0;
+      src_h = src->logical_height0;
+   }
+
+   if (dst->surf.size > 0) {
+      dst_w = dst->surf.logical_level0_px.width;
+      dst_h = dst->surf.logical_level0_px.height;
+   } else {
+      dst_w = dst->logical_width0;
+      dst_h = dst->logical_height0;
+   }
+
    brw_blorp_blit_miptrees(brw,
                            src, 0 /* level */, 0 /* layer */,
                            src->format, SWIZZLE_XYZW,
                            dst, 0 /* level */, 0 /* layer */, dst->format,
-                           0, 0,
-                           src->logical_width0, src->logical_height0,
-                           0, 0,
-                           dst->logical_width0, dst->logical_height0,
+                           0, 0, src_w, src_h,
+                           0, 0, dst_w, dst_h,
                            GL_NEAREST, false, false /*mirror x, y*/,
                            false, false);
 
    if (src->stencil_mt) {
+      if (src->stencil_mt->surf.size > 0) {
+         src_w = src->stencil_mt->surf.logical_level0_px.width;
+         src_h = src->stencil_mt->surf.logical_level0_px.height;
+      } else {
+         src_w = src->stencil_mt->logical_width0;
+         src_h = src->stencil_mt->logical_height0;
+      }
+
+      if (dst->stencil_mt->surf.size > 0) {
+         dst_w = dst->stencil_mt->surf.logical_level0_px.width;
+         dst_h = dst->stencil_mt->surf.logical_level0_px.height;
+      } else {
+         dst_w = dst->stencil_mt->logical_width0;
+         dst_h = dst->stencil_mt->logical_height0;
+      }
+
       brw_blorp_blit_miptrees(brw,
                               src->stencil_mt, 0 /* level */, 0 /* layer */,
                               src->stencil_mt->format, SWIZZLE_XYZW,
                               dst->stencil_mt, 0 /* level */, 0 /* layer */,
                               dst->stencil_mt->format,
-                              0, 0,
-                              src->logical_width0, src->logical_height0,
-                              0, 0,
-                              dst->logical_width0, dst->logical_height0,
+                              0, 0, src_w, src_h,
+                              0, 0, dst_w, dst_h,
                               GL_NEAREST, false, false /*mirror x, y*/,
                               false, false /* decode/encode srgb */);
    }
@@ -2403,7 +2953,7 @@ intel_update_r8stencil(struct brw_context *brw,
       const uint32_t r8stencil_flags =
          MIPTREE_LAYOUT_ACCELERATED_UPLOAD | MIPTREE_LAYOUT_TILING_Y |
          MIPTREE_LAYOUT_DISABLE_AUX;
-      assert(brw->gen > 6); /* Handle MIPTREE_LAYOUT_FORCE_ALL_SLICE_AT_LOD */
+      assert(brw->gen > 6); /* Handle MIPTREE_LAYOUT_GEN6_HIZ_STENCIL */
       mt->r8stencil_mt = intel_miptree_create(brw,
                                               src->target,
                                               MESA_FORMAT_R_UINT8,
@@ -2421,25 +2971,14 @@ intel_update_r8stencil(struct brw_context *brw,
 
    for (int level = src->first_level; level <= src->last_level; level++) {
       const unsigned depth = src->level[level].depth;
-      const int layers_per_blit =
-         (dst->msaa_layout == INTEL_MSAA_LAYOUT_UMS ||
-          dst->msaa_layout == INTEL_MSAA_LAYOUT_CMS) ?
-         dst->num_samples : 1;
 
       for (unsigned layer = 0; layer < depth; layer++) {
-         brw_blorp_blit_miptrees(brw,
+         brw_blorp_copy_miptrees(brw,
                                  src, level, layer,
-                                 src->format, SWIZZLE_X,
-                                 dst, level, layers_per_blit * layer,
-                                 MESA_FORMAT_R_UNORM8,
-                                 0, 0,
+                                 dst, level, layer,
+                                 0, 0, 0, 0,
                                  minify(src->logical_width0, level),
-                                 minify(src->logical_height0, level),
-                                 0, 0,
-                                 minify(dst->logical_width0, level),
-                                 minify(dst->logical_height0, level),
-                                 GL_NEAREST, false, false /*mirror x, y*/,
-                                 false, false /* decode/encode srgb */);
+                                 minify(src->logical_height0, level));
       }
    }
 
@@ -2448,42 +2987,22 @@ intel_update_r8stencil(struct brw_context *brw,
 }
 
 static void *
-intel_miptree_map_raw(struct brw_context *brw, struct intel_mipmap_tree *mt)
+intel_miptree_map_raw(struct brw_context *brw,
+                      struct intel_mipmap_tree *mt,
+                      GLbitfield mode)
 {
-   /* CPU accesses to color buffers don't understand fast color clears, so
-    * resolve any pending fast color clears before we map.
-    */
-   intel_miptree_all_slices_resolve_color(brw, mt, 0);
-
-   drm_bacon_bo *bo = mt->bo;
+   struct brw_bo *bo = mt->bo;
 
    if (brw_batch_references(&brw->batch, bo))
       intel_batchbuffer_flush(brw);
 
-   /* brw_bo_map() uses a WB mmaping of the buffer's backing storage. It
-    * will utilize the CPU cache even if the buffer is incoherent with the
-    * GPU (i.e. any writes will be stored in the cache and not flushed to
-    * memory and so will be invisible to the GPU or display engine). This
-    * is the majority of buffers on a !llc machine, but even on a llc
-    * almost all scanouts are incoherent with the CPU. A WB write into the
-    * backing storage of the current scanout will not be immediately
-    * visible on the screen. The transfer from cache to screen is slow and
-    * indeterministic causing visible glitching on the screen. Never use
-    * this WB mapping for writes to an active scanout (reads are fine, so
-    * long as cache consistency is maintained).
-    */
-   if (mt->tiling != I915_TILING_NONE || mt->is_scanout)
-      brw_bo_map_gtt(brw, bo, "miptree");
-   else
-      brw_bo_map(brw, bo, true, "miptree");
-
-   return bo->virtual;
+   return brw_bo_map(brw, bo, mode);
 }
 
 static void
 intel_miptree_unmap_raw(struct intel_mipmap_tree *mt)
 {
-   drm_bacon_bo_unmap(mt->bo);
+   brw_bo_unmap(mt->bo);
 }
 
 static void
@@ -2508,7 +3027,7 @@ intel_miptree_map_gtt(struct brw_context *brw,
    y /= bh;
    x /= bw;
 
-   base = intel_miptree_map_raw(brw, mt) + mt->offset;
+   base = intel_miptree_map_raw(brw, mt, map->mode) + mt->offset;
 
    if (base == NULL)
       map->ptr = NULL;
@@ -2571,7 +3090,7 @@ intel_miptree_map_blit(struct brw_context *brw,
       }
    }
 
-   map->ptr = intel_miptree_map_raw(brw, map->linear_mt);
+   map->ptr = intel_miptree_map_raw(brw, map->linear_mt, map->mode);
 
    DBG("%s: %d,%d %dx%d from mt %p (%s) %d,%d = %p/%d\n", __func__,
        map->x, map->y, map->w, map->h,
@@ -2633,7 +3152,7 @@ intel_miptree_map_movntdqa(struct brw_context *brw,
    image_x += map->x;
    image_y += map->y;
 
-   void *src = intel_miptree_map_raw(brw, mt);
+   void *src = intel_miptree_map_raw(brw, mt, map->mode);
    if (!src)
       return;
 
@@ -2701,15 +3220,21 @@ intel_miptree_map_s8(struct brw_context *brw,
     * temporary buffer back out.
     */
    if (!(map->mode & GL_MAP_INVALIDATE_RANGE_BIT)) {
+      /* ISL uses a stencil pitch value that is expected by hardware whereas
+       * traditional miptree uses half of that. Below the value gets supplied
+       * to intel_offset_S8() which expects the legacy interpretation.
+       */
+      const unsigned pitch = mt->surf.size > 0 ?
+                             mt->surf.row_pitch / 2 : mt->pitch;
       uint8_t *untiled_s8_map = map->ptr;
-      uint8_t *tiled_s8_map = intel_miptree_map_raw(brw, mt);
+      uint8_t *tiled_s8_map = intel_miptree_map_raw(brw, mt, GL_MAP_READ_BIT);
       unsigned int image_x, image_y;
 
       intel_miptree_get_image_offset(mt, level, slice, &image_x, &image_y);
 
       for (uint32_t y = 0; y < map->h; y++) {
         for (uint32_t x = 0; x < map->w; x++) {
-           ptrdiff_t offset = intel_offset_S8(mt->pitch,
+           ptrdiff_t offset = intel_offset_S8(pitch,
                                               x + image_x + map->x,
                                               y + image_y + map->y,
                                               brw->has_swizzling);
@@ -2737,15 +3262,21 @@ intel_miptree_unmap_s8(struct brw_context *brw,
                       unsigned int slice)
 {
    if (map->mode & GL_MAP_WRITE_BIT) {
+      /* ISL uses a stencil pitch value that is expected by hardware whereas
+       * traditional miptree uses half of that. Below the value gets supplied
+       * to intel_offset_S8() which expects the legacy interpretation.
+       */
+      const unsigned pitch = mt->surf.size > 0 ?
+                             mt->surf.row_pitch / 2: mt->pitch;
       unsigned int image_x, image_y;
       uint8_t *untiled_s8_map = map->ptr;
-      uint8_t *tiled_s8_map = intel_miptree_map_raw(brw, mt);
+      uint8_t *tiled_s8_map = intel_miptree_map_raw(brw, mt, GL_MAP_WRITE_BIT);
 
       intel_miptree_get_image_offset(mt, level, slice, &image_x, &image_y);
 
       for (uint32_t y = 0; y < map->h; y++) {
         for (uint32_t x = 0; x < map->w; x++) {
-           ptrdiff_t offset = intel_offset_S8(mt->pitch,
+           ptrdiff_t offset = intel_offset_S8(pitch,
                                               image_x + x + map->x,
                                               image_y + y + map->y,
                                               brw->has_swizzling);
@@ -2794,7 +3325,7 @@ intel_miptree_unmap_etc(struct brw_context *brw,
    image_x += map->x;
    image_y += map->y;
 
-   uint8_t *dst = intel_miptree_map_raw(brw, mt)
+   uint8_t *dst = intel_miptree_map_raw(brw, mt, GL_MAP_WRITE_BIT)
                 + image_y * mt->pitch
                 + image_x * mt->cpp;
 
@@ -2844,9 +3375,15 @@ intel_miptree_map_depthstencil(struct brw_context *brw,
     * temporary buffer back out.
     */
    if (!(map->mode & GL_MAP_INVALIDATE_RANGE_BIT)) {
+      /* ISL uses a stencil pitch value that is expected by hardware whereas
+       * traditional miptree uses half of that. Below the value gets supplied
+       * to intel_offset_S8() which expects the legacy interpretation.
+       */
+      const unsigned s_pitch = s_mt->surf.size > 0 ?
+                               s_mt->surf.row_pitch / 2 : s_mt->pitch;
       uint32_t *packed_map = map->ptr;
-      uint8_t *s_map = intel_miptree_map_raw(brw, s_mt);
-      uint32_t *z_map = intel_miptree_map_raw(brw, z_mt);
+      uint8_t *s_map = intel_miptree_map_raw(brw, s_mt, GL_MAP_READ_BIT);
+      uint32_t *z_map = intel_miptree_map_raw(brw, z_mt, GL_MAP_READ_BIT);
       unsigned int s_image_x, s_image_y;
       unsigned int z_image_x, z_image_y;
 
@@ -2858,7 +3395,7 @@ intel_miptree_map_depthstencil(struct brw_context *brw,
       for (uint32_t y = 0; y < map->h; y++) {
         for (uint32_t x = 0; x < map->w; x++) {
            int map_x = map->x + x, map_y = map->y + y;
-           ptrdiff_t s_offset = intel_offset_S8(s_mt->pitch,
+           ptrdiff_t s_offset = intel_offset_S8(s_pitch,
                                                 map_x + s_image_x,
                                                 map_y + s_image_y,
                                                 brw->has_swizzling);
@@ -2905,9 +3442,15 @@ intel_miptree_unmap_depthstencil(struct brw_context *brw,
    bool map_z32f_x24s8 = mt->format == MESA_FORMAT_Z_FLOAT32;
 
    if (map->mode & GL_MAP_WRITE_BIT) {
+      /* ISL uses a stencil pitch value that is expected by hardware whereas
+       * traditional miptree uses half of that. Below the value gets supplied
+       * to intel_offset_S8() which expects the legacy interpretation.
+       */
+      const unsigned s_pitch = s_mt->surf.size > 0 ?
+                               s_mt->surf.row_pitch / 2 : s_mt->pitch;
       uint32_t *packed_map = map->ptr;
-      uint8_t *s_map = intel_miptree_map_raw(brw, s_mt);
-      uint32_t *z_map = intel_miptree_map_raw(brw, z_mt);
+      uint8_t *s_map = intel_miptree_map_raw(brw, s_mt, GL_MAP_WRITE_BIT);
+      uint32_t *z_map = intel_miptree_map_raw(brw, z_mt, GL_MAP_WRITE_BIT);
       unsigned int s_image_x, s_image_y;
       unsigned int z_image_x, z_image_y;
 
@@ -2918,7 +3461,7 @@ intel_miptree_unmap_depthstencil(struct brw_context *brw,
 
       for (uint32_t y = 0; y < map->h; y++) {
         for (uint32_t x = 0; x < map->w; x++) {
-           ptrdiff_t s_offset = intel_offset_S8(s_mt->pitch,
+           ptrdiff_t s_offset = intel_offset_S8(s_pitch,
                                                 x + s_image_x + map->x,
                                                 y + s_image_y + map->y,
                                                 brw->has_swizzling);
@@ -3074,10 +3617,8 @@ intel_miptree_map(struct brw_context *brw,
       return;
    }
 
-   intel_miptree_slice_resolve_depth(brw, mt, level, slice);
-   if (map->mode & GL_MAP_WRITE_BIT) {
-      intel_miptree_slice_set_needs_hiz_resolve(mt, level, slice);
-   }
+   intel_miptree_access_raw(brw, mt, level, slice,
+                            map->mode & GL_MAP_WRITE_BIT);
 
    if (mt->format == MESA_FORMAT_S_UINT8) {
       intel_miptree_map_s8(brw, mt, map, level, slice);
@@ -3168,8 +3709,11 @@ get_isl_surf_dim(GLenum target)
 
 enum isl_dim_layout
 get_isl_dim_layout(const struct gen_device_info *devinfo, uint32_t tiling,
-                   GLenum target)
+                   GLenum target, enum miptree_array_layout array_layout)
 {
+   if (array_layout == GEN6_HIZ_STENCIL)
+      return ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ;
+
    switch (target) {
    case GL_TEXTURE_1D:
    case GL_TEXTURE_1D_ARRAY:
@@ -3223,7 +3767,8 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
 {
    surf->dim = get_isl_surf_dim(mt->target);
    surf->dim_layout = get_isl_dim_layout(&brw->screen->devinfo,
-                                         mt->tiling, mt->target);
+                                         mt->tiling, mt->target,
+                                         mt->array_layout);
 
    if (mt->num_samples > 1) {
       switch (mt->msaa_layout) {
@@ -3293,7 +3838,7 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
       surf->phys_level0_sa.array_len = mt->physical_depth0;
    }
 
-   surf->levels = mt->last_level + 1;
+   surf->levels = mt->last_level - mt->first_level + 1;
    surf->samples = MAX2(mt->num_samples, 1);
 
    surf->size = 0; /* TODO */
@@ -3302,6 +3847,7 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
    switch (surf->dim_layout) {
    case ISL_DIM_LAYOUT_GEN4_2D:
    case ISL_DIM_LAYOUT_GEN4_3D:
+   case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
       if (brw->gen >= 9) {
          surf->array_pitch_el_rows = mt->qpitch;
       } else {
@@ -3321,6 +3867,7 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
       surf->array_pitch_span = ISL_ARRAY_PITCH_SPAN_FULL;
       break;
    case ALL_SLICES_AT_EACH_LOD:
+   case GEN6_HIZ_STENCIL:
       surf->array_pitch_span = ISL_ARRAY_PITCH_SPAN_COMPACT;
       break;
    default:
@@ -3353,6 +3900,32 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
       surf->usage |= ISL_SURF_USAGE_CUBE_BIT;
 }
 
+enum isl_aux_usage
+intel_miptree_get_aux_isl_usage(const struct brw_context *brw,
+                                const struct intel_mipmap_tree *mt)
+{
+   if (mt->hiz_buf)
+      return ISL_AUX_USAGE_HIZ;
+
+   if (!mt->mcs_buf)
+      return ISL_AUX_USAGE_NONE;
+
+   if (mt->num_samples > 1) {
+      assert(mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS);
+      return ISL_AUX_USAGE_MCS;
+   }
+
+   if (intel_miptree_is_lossless_compressed(brw, mt)) {
+      assert(brw->gen >= 9);
+      return ISL_AUX_USAGE_CCS_E;
+   }
+
+   if ((mt->aux_disable & INTEL_AUX_DISABLE_CCS) == 0)
+      return ISL_AUX_USAGE_CCS_D;
+
+   unreachable("Invalid MCS miptree");
+}
+
 /* WARNING: THE SURFACE CREATED BY THIS FUNCTION IS NOT COMPLETE AND CANNOT BE
  * USED FOR ANY REAL CALCULATIONS.  THE ONLY VALID USE OF SUCH A SURFACE IS TO
  * PASS IT INTO isl_surf_fill_state.
@@ -3360,32 +3933,17 @@ intel_miptree_get_isl_surf(struct brw_context *brw,
 void
 intel_miptree_get_aux_isl_surf(struct brw_context *brw,
                                const struct intel_mipmap_tree *mt,
-                               struct isl_surf *surf,
-                               enum isl_aux_usage *usage)
+                               enum isl_aux_usage usage,
+                               struct isl_surf *surf)
 {
    uint32_t aux_pitch, aux_qpitch;
    if (mt->mcs_buf) {
       aux_pitch = mt->mcs_buf->pitch;
       aux_qpitch = mt->mcs_buf->qpitch;
-
-      if (mt->num_samples > 1) {
-         assert(mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS);
-         *usage = ISL_AUX_USAGE_MCS;
-      } else if (intel_miptree_is_lossless_compressed(brw, mt)) {
-         assert(brw->gen >= 9);
-         *usage = ISL_AUX_USAGE_CCS_E;
-      } else if ((mt->aux_disable & INTEL_AUX_DISABLE_CCS) == 0) {
-         *usage = ISL_AUX_USAGE_CCS_D;
-      } else {
-         unreachable("Invalid MCS miptree");
-      }
    } else if (mt->hiz_buf) {
       aux_pitch = mt->hiz_buf->aux_base.pitch;
       aux_qpitch = mt->hiz_buf->aux_base.qpitch;
-
-      *usage = ISL_AUX_USAGE_HIZ;
    } else {
-      *usage = ISL_AUX_USAGE_NONE;
       return;
    }
 
@@ -3393,7 +3951,7 @@ intel_miptree_get_aux_isl_surf(struct brw_context *brw,
    intel_miptree_get_isl_surf(brw, mt, surf);
 
    /* Figure out the format and tiling of the auxiliary surface */
-   switch (*usage) {
+   switch (usage) {
    case ISL_AUX_USAGE_NONE:
       unreachable("Invalid auxiliary usage");
 
@@ -3444,34 +4002,3 @@ intel_miptree_get_aux_isl_surf(struct brw_context *brw,
    surf->array_pitch_el_rows =
       aux_qpitch / isl_format_get_layout(surf->format)->bh;
 }
-
-union isl_color_value
-intel_miptree_get_isl_clear_color(struct brw_context *brw,
-                                  const struct intel_mipmap_tree *mt)
-{
-   union isl_color_value clear_color;
-
-   if (_mesa_get_format_base_format(mt->format) == GL_DEPTH_COMPONENT) {
-      clear_color.i32[0] = mt->depth_clear_value;
-      clear_color.i32[1] = 0;
-      clear_color.i32[2] = 0;
-      clear_color.i32[3] = 0;
-   } else if (brw->gen >= 9) {
-      clear_color.i32[0] = mt->gen9_fast_clear_color.i[0];
-      clear_color.i32[1] = mt->gen9_fast_clear_color.i[1];
-      clear_color.i32[2] = mt->gen9_fast_clear_color.i[2];
-      clear_color.i32[3] = mt->gen9_fast_clear_color.i[3];
-   } else if (_mesa_is_format_integer(mt->format)) {
-      clear_color.i32[0] = (mt->fast_clear_color_value & (1u << 31)) != 0;
-      clear_color.i32[1] = (mt->fast_clear_color_value & (1u << 30)) != 0;
-      clear_color.i32[2] = (mt->fast_clear_color_value & (1u << 29)) != 0;
-      clear_color.i32[3] = (mt->fast_clear_color_value & (1u << 28)) != 0;
-   } else {
-      clear_color.f32[0] = (mt->fast_clear_color_value & (1u << 31)) != 0;
-      clear_color.f32[1] = (mt->fast_clear_color_value & (1u << 30)) != 0;
-      clear_color.f32[2] = (mt->fast_clear_color_value & (1u << 29)) != 0;
-      clear_color.f32[3] = (mt->fast_clear_color_value & (1u << 28)) != 0;
-   }
-
-   return clear_color;
-}