intel/isl/gen6: Allow arrayed stencil
[mesa.git] / src / intel / isl / isl.c
index 81f40b6a6fb427bcb54609b69c44f14d7d2e1048..2449ffb29ae01c662f51d585e7804a40c27a0cbc 100644 (file)
@@ -25,6 +25,8 @@
 #include <stdarg.h>
 #include <stdio.h>
 
+#include "genxml/genX_bits.h"
+
 #include "isl.h"
 #include "isl_gen4.h"
 #include "isl_gen6.h"
@@ -46,20 +48,6 @@ __isl_finishme(const char *file, int line, const char *fmt, ...)
    fprintf(stderr, "%s:%d: FINISHME: %s\n", file, line, buf);
 }
 
-static const struct {
-   uint8_t size;
-   uint8_t align;
-   uint8_t addr_offset;
-   uint8_t aux_addr_offset;
-} ss_infos[] = {
-   [4] = {24, 32,  4},
-   [5] = {24, 32,  4},
-   [6] = {24, 32,  4},
-   [7] = {32, 32,  4, 24},
-   [8] = {64, 64, 32, 40},
-   [9] = {64, 64, 32, 40},
-};
-
 void
 isl_device_init(struct isl_device *dev,
                 const struct gen_device_info *info,
@@ -82,10 +70,44 @@ isl_device_init(struct isl_device *dev,
    if (info->must_use_separate_stencil)
       assert(ISL_DEV_USE_SEPARATE_STENCIL(dev));
 
-   dev->ss.size = ss_infos[ISL_DEV_GEN(dev)].size;
-   dev->ss.align = ss_infos[ISL_DEV_GEN(dev)].align;
-   dev->ss.addr_offset = ss_infos[ISL_DEV_GEN(dev)].addr_offset;
-   dev->ss.aux_addr_offset = ss_infos[ISL_DEV_GEN(dev)].aux_addr_offset;
+   dev->ss.size = RENDER_SURFACE_STATE_length(info) * 4;
+   dev->ss.align = isl_align(dev->ss.size, 32);
+
+   assert(RENDER_SURFACE_STATE_SurfaceBaseAddress_start(info) % 8 == 0);
+   dev->ss.addr_offset =
+      RENDER_SURFACE_STATE_SurfaceBaseAddress_start(info) / 8;
+
+   /* The "Auxiliary Surface Base Address" field starts a bit higher up
+    * because the bottom 12 bits are used for other things.  Round down to
+    * the nearest dword before.
+    */
+   dev->ss.aux_addr_offset =
+      (RENDER_SURFACE_STATE_AuxiliarySurfaceBaseAddress_start(info) & ~31) / 8;
+
+   dev->ds.size = _3DSTATE_DEPTH_BUFFER_length(info) * 4;
+   assert(_3DSTATE_DEPTH_BUFFER_SurfaceBaseAddress_start(info) % 8 == 0);
+   dev->ds.depth_offset =
+      _3DSTATE_DEPTH_BUFFER_SurfaceBaseAddress_start(info) / 8;
+
+   if (dev->use_separate_stencil) {
+      dev->ds.size += _3DSTATE_STENCIL_BUFFER_length(info) * 4 +
+                      _3DSTATE_HIER_DEPTH_BUFFER_length(info) * 4 +
+                      _3DSTATE_CLEAR_PARAMS_length(info) * 4;
+
+      assert(_3DSTATE_STENCIL_BUFFER_SurfaceBaseAddress_start(info) % 8 == 0);
+      dev->ds.stencil_offset =
+         _3DSTATE_DEPTH_BUFFER_length(info) * 4 +
+         _3DSTATE_STENCIL_BUFFER_SurfaceBaseAddress_start(info) / 8;
+
+      assert(_3DSTATE_HIER_DEPTH_BUFFER_SurfaceBaseAddress_start(info) % 8 == 0);
+      dev->ds.hiz_offset =
+         _3DSTATE_DEPTH_BUFFER_length(info) * 4 +
+         _3DSTATE_STENCIL_BUFFER_length(info) * 4 +
+         _3DSTATE_HIER_DEPTH_BUFFER_SurfaceBaseAddress_start(info) / 8;
+   } else {
+      dev->ds.stencil_offset = 0;
+      dev->ds.hiz_offset = 0;
+   }
 }
 
 /**
@@ -123,9 +145,8 @@ isl_device_get_sample_counts(struct isl_device *dev)
 /**
  * @param[out] info is written only on success
  */
-static bool
-isl_tiling_get_info(const struct isl_device *dev,
-                    enum isl_tiling tiling,
+static void
+isl_tiling_get_info(enum isl_tiling tiling,
                     uint32_t format_bpb,
                     struct isl_tile_info *tile_info)
 {
@@ -140,7 +161,8 @@ isl_tiling_get_info(const struct isl_device *dev,
        */
       assert(tiling == ISL_TILING_X || tiling == ISL_TILING_Y0);
       assert(bs % 3 == 0 && isl_is_pow2(format_bpb / 3));
-      return isl_tiling_get_info(dev, tiling, format_bpb / 3, tile_info);
+      isl_tiling_get_info(tiling, format_bpb / 3, tile_info);
+      return;
    }
 
    switch (tiling) {
@@ -181,12 +203,6 @@ isl_tiling_get_info(const struct isl_device *dev,
 
    case ISL_TILING_Yf:
    case ISL_TILING_Ys: {
-      if (ISL_DEV_GEN(dev) < 9)
-         return false;
-
-      if (!isl_is_pow2(bs))
-         return false;
-
       bool is_Ys = tiling == ISL_TILING_Ys;
 
       assert(bs > 0);
@@ -241,8 +257,6 @@ isl_tiling_get_info(const struct isl_device *dev,
       .logical_extent_el = logical_el,
       .phys_extent_B = phys_B,
    };
-
-   return true;
 }
 
 /**
@@ -274,8 +288,7 @@ isl_surf_choose_tiling(const struct isl_device *dev,
    if (ISL_DEV_GEN(dev) >= 6) {
       isl_gen6_filter_tiling(dev, info, &tiling_flags);
    } else {
-      isl_finishme("%s: gen%u", __func__, ISL_DEV_GEN(dev));
-      isl_gen6_filter_tiling(dev, info, &tiling_flags);
+      isl_gen4_filter_tiling(dev, info, &tiling_flags);
    }
 
    #define CHOOSE(__tiling) \
@@ -434,7 +447,6 @@ isl_choose_array_pitch_span(const struct isl_device *dev,
           *    the storage for LODs other than LOD 0 is not needed.
           */
          assert(info->levels == 1);
-         assert(phys_level0_sa->array_len == 1);
          return ISL_ARRAY_PITCH_SPAN_COMPACT;
       } else {
          if ((ISL_DEV_GEN(dev) == 5 || ISL_DEV_GEN(dev) == 6) &&
@@ -466,6 +478,12 @@ isl_choose_array_pitch_span(const struct isl_device *dev,
        * compact QPitch possible in order to conserve memory.
        */
       return ISL_ARRAY_PITCH_SPAN_COMPACT;
+
+   case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
+      /* Each array image in the gen6 stencil of HiZ surface is compact in the
+       * sense that every LOD is a compact array of the same size as LOD0.
+       */
+      return ISL_ARRAY_PITCH_SPAN_COMPACT;
    }
 
    unreachable("bad isl_dim_layout");
@@ -497,10 +515,15 @@ isl_choose_image_alignment_el(const struct isl_device *dev,
       return;
    } else if (info->format == ISL_FORMAT_HIZ) {
       assert(ISL_DEV_GEN(dev) >= 6);
-      /* HiZ surfaces are always aligned to 16x8 pixels in the primary surface
-       * which works out to 2x2 HiZ elments.
-       */
-      *image_align_el = isl_extent3d(2, 2, 1);
+      if (ISL_DEV_GEN(dev) == 6) {
+         /* HiZ surfaces on Sandy Bridge are packed tightly. */
+         *image_align_el = isl_extent3d(1, 1, 1);
+      } else {
+         /* On gen7+, HiZ surfaces are always aligned to 16x8 pixels in the
+          * primary surface which works out to 2x2 HiZ elments.
+          */
+         *image_align_el = isl_extent3d(2, 2, 1);
+      }
       return;
    }
 
@@ -527,6 +550,11 @@ isl_surf_choose_dim_layout(const struct isl_device *dev,
                            enum isl_surf_dim logical_dim,
                            enum isl_tiling tiling)
 {
+   /* Sandy bridge needs a special layout for HiZ and stencil. */
+   if (ISL_DEV_GEN(dev) == 6 &&
+       (tiling == ISL_TILING_W || tiling == ISL_TILING_HIZ))
+      return ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ;
+
    if (ISL_DEV_GEN(dev) >= 9) {
       switch (logical_dim) {
       case ISL_SURF_DIM_1D:
@@ -595,6 +623,7 @@ isl_calc_phys_level0_extent_sa(const struct isl_device *dev,
 
       case ISL_DIM_LAYOUT_GEN9_1D:
       case ISL_DIM_LAYOUT_GEN4_2D:
+      case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
          *phys_level0_sa = (struct isl_extent4d) {
             .w = isl_align_npot(info->width, fmtl->bw),
             .h = fmtl->bh,
@@ -606,7 +635,8 @@ isl_calc_phys_level0_extent_sa(const struct isl_device *dev,
       break;
 
    case ISL_SURF_DIM_2D:
-      assert(dim_layout == ISL_DIM_LAYOUT_GEN4_2D);
+      assert(dim_layout == ISL_DIM_LAYOUT_GEN4_2D ||
+             dim_layout == ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ);
 
       if (tiling == ISL_TILING_Ys && info->samples > 1)
          isl_finishme("%s:%s: multisample TileYs layout", __FILE__, __func__);
@@ -671,6 +701,7 @@ isl_calc_phys_level0_extent_sa(const struct isl_device *dev,
 
       switch (dim_layout) {
       case ISL_DIM_LAYOUT_GEN9_1D:
+      case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
          unreachable("bad isl_dim_layout");
 
       case ISL_DIM_LAYOUT_GEN4_2D:
@@ -698,6 +729,108 @@ isl_calc_phys_level0_extent_sa(const struct isl_device *dev,
    }
 }
 
+/**
+ * Calculate the pitch between physical array slices, in units of rows of
+ * surface elements.
+ */
+static uint32_t
+isl_calc_array_pitch_el_rows_gen4_2d(
+      const struct isl_device *dev,
+      const struct isl_surf_init_info *restrict info,
+      const struct isl_tile_info *tile_info,
+      const struct isl_extent3d *image_align_sa,
+      const struct isl_extent4d *phys_level0_sa,
+      enum isl_array_pitch_span array_pitch_span,
+      const struct isl_extent2d *phys_slice0_sa)
+{
+   const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
+   uint32_t pitch_sa_rows = 0;
+
+   switch (array_pitch_span) {
+   case ISL_ARRAY_PITCH_SPAN_COMPACT:
+      pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h);
+      break;
+   case ISL_ARRAY_PITCH_SPAN_FULL: {
+      /* The QPitch equation is found in the Broadwell PRM >> Volume 5:
+       * Memory Views >> Common Surface Formats >> Surface Layout >> 2D
+       * Surfaces >> Surface Arrays.
+       */
+      uint32_t H0_sa = phys_level0_sa->h;
+      uint32_t H1_sa = isl_minify(H0_sa, 1);
+
+      uint32_t h0_sa = isl_align_npot(H0_sa, image_align_sa->h);
+      uint32_t h1_sa = isl_align_npot(H1_sa, image_align_sa->h);
+
+      uint32_t m;
+      if (ISL_DEV_GEN(dev) >= 7) {
+         /* The QPitch equation changed slightly in Ivybridge. */
+         m = 12;
+      } else {
+         m = 11;
+      }
+
+      pitch_sa_rows = h0_sa + h1_sa + (m * image_align_sa->h);
+
+      if (ISL_DEV_GEN(dev) == 6 && info->samples > 1 &&
+          (info->height % 4 == 1)) {
+         /* [SNB] Errata from the Sandy Bridge PRM >> Volume 4 Part 1:
+          * Graphics Core >> Section 7.18.3.7: Surface Arrays:
+          *
+          *    [SNB] Errata: Sampler MSAA Qpitch will be 4 greater than
+          *    the value calculated in the equation above , for every
+          *    other odd Surface Height starting from 1 i.e. 1,5,9,13.
+          *
+          * XXX(chadv): Is the errata natural corollary of the physical
+          * layout of interleaved samples?
+          */
+         pitch_sa_rows += 4;
+      }
+
+      pitch_sa_rows = isl_align_npot(pitch_sa_rows, fmtl->bh);
+      } /* end case */
+      break;
+   }
+
+   assert(pitch_sa_rows % fmtl->bh == 0);
+   uint32_t pitch_el_rows = pitch_sa_rows / fmtl->bh;
+
+   if (ISL_DEV_GEN(dev) >= 9 && fmtl->txc == ISL_TXC_CCS) {
+      /*
+       * From the Sky Lake PRM Vol 7, "MCS Buffer for Render Target(s)" (p. 632):
+       *
+       *    "Mip-mapped and arrayed surfaces are supported with MCS buffer
+       *    layout with these alignments in the RT space: Horizontal
+       *    Alignment = 128 and Vertical Alignment = 64."
+       *
+       * From the Sky Lake PRM Vol. 2d, "RENDER_SURFACE_STATE" (p. 435):
+       *
+       *    "For non-multisampled render target's CCS auxiliary surface,
+       *    QPitch must be computed with Horizontal Alignment = 128 and
+       *    Surface Vertical Alignment = 256. These alignments are only for
+       *    CCS buffer and not for associated render target."
+       *
+       * The first restriction is already handled by isl_choose_image_alignment_el
+       * but the second restriction, which is an extension of the first, only
+       * applies to qpitch and must be applied here.
+       */
+      assert(fmtl->bh == 4);
+      pitch_el_rows = isl_align(pitch_el_rows, 256 / 4);
+   }
+
+   if (ISL_DEV_GEN(dev) >= 9 &&
+       info->dim == ISL_SURF_DIM_3D &&
+       tile_info->tiling != ISL_TILING_LINEAR) {
+      /* From the Skylake BSpec >> RENDER_SURFACE_STATE >> Surface QPitch:
+       *
+       *    Tile Mode != Linear: This field must be set to an integer multiple
+       *    of the tile height
+       */
+      pitch_el_rows = isl_align(pitch_el_rows, tile_info->logical_extent_el.height);
+   }
+
+   return pitch_el_rows;
+}
+
 /**
  * A variant of isl_calc_phys_slice0_extent_sa() specific to
  * ISL_DIM_LAYOUT_GEN4_2D.
@@ -774,23 +907,55 @@ isl_calc_phys_slice0_extent_sa_gen4_2d(
    };
 }
 
+static void
+isl_calc_phys_total_extent_el_gen4_2d(
+      const struct isl_device *dev,
+      const struct isl_surf_init_info *restrict info,
+      const struct isl_tile_info *tile_info,
+      enum isl_msaa_layout msaa_layout,
+      const struct isl_extent3d *image_align_sa,
+      const struct isl_extent4d *phys_level0_sa,
+      enum isl_array_pitch_span array_pitch_span,
+      uint32_t *array_pitch_el_rows,
+      struct isl_extent2d *total_extent_el)
+{
+   const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
+
+   struct isl_extent2d phys_slice0_sa;
+   isl_calc_phys_slice0_extent_sa_gen4_2d(dev, info, msaa_layout,
+                                          image_align_sa, phys_level0_sa,
+                                          &phys_slice0_sa);
+   *array_pitch_el_rows =
+      isl_calc_array_pitch_el_rows_gen4_2d(dev, info, tile_info,
+                                           image_align_sa, phys_level0_sa,
+                                           array_pitch_span,
+                                           &phys_slice0_sa);
+   *total_extent_el = (struct isl_extent2d) {
+      .w = isl_assert_div(phys_slice0_sa.w, fmtl->bw),
+      .h = *array_pitch_el_rows * phys_level0_sa->array_len,
+   };
+}
+
 /**
  * A variant of isl_calc_phys_slice0_extent_sa() specific to
  * ISL_DIM_LAYOUT_GEN4_3D.
  */
 static void
-isl_calc_phys_slice0_extent_sa_gen4_3d(
+isl_calc_phys_total_extent_el_gen4_3d(
       const struct isl_device *dev,
       const struct isl_surf_init_info *restrict info,
       const struct isl_extent3d *image_align_sa,
       const struct isl_extent4d *phys_level0_sa,
-      struct isl_extent2d *phys_slice0_sa)
+      uint32_t *array_pitch_el_rows,
+      struct isl_extent2d *phys_total_el)
 {
+   const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
+
    assert(info->samples == 1);
    assert(phys_level0_sa->array_len == 1);
 
-   uint32_t slice_w = 0;
-   uint32_t slice_h = 0;
+   uint32_t total_w = 0;
+   uint32_t total_h = 0;
 
    uint32_t W0 = phys_level0_sa->w;
    uint32_t H0 = phys_level0_sa->h;
@@ -804,13 +969,80 @@ isl_calc_phys_slice0_extent_sa_gen4_3d(
       uint32_t max_layers_horiz = MIN(level_d, 1u << l);
       uint32_t max_layers_vert = isl_align(level_d, 1u << l) / (1u << l);
 
-      slice_w = MAX(slice_w, level_w * max_layers_horiz);
-      slice_h += level_h * max_layers_vert;
+      total_w = MAX(total_w, level_w * max_layers_horiz);
+      total_h += level_h * max_layers_vert;
    }
 
-   *phys_slice0_sa = (struct isl_extent2d) {
-      .w = slice_w,
-      .h = slice_h,
+   /* GEN4_3D layouts don't really have an array pitch since each LOD has a
+    * different number of horizontal and vertical layers.  We have to set it
+    * to something, so at least make it true for LOD0.
+    */
+   *array_pitch_el_rows =
+      isl_align_npot(phys_level0_sa->h, image_align_sa->h) / fmtl->bw;
+   *phys_total_el = (struct isl_extent2d) {
+      .w = isl_assert_div(total_w, fmtl->bw),
+      .h = isl_assert_div(total_h, fmtl->bh),
+   };
+}
+
+/**
+ * A variant of isl_calc_phys_slice0_extent_sa() specific to
+ * ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ.
+ */
+static void
+isl_calc_phys_total_extent_el_gen6_stencil_hiz(
+      const struct isl_device *dev,
+      const struct isl_surf_init_info *restrict info,
+      const struct isl_tile_info *tile_info,
+      const struct isl_extent3d *image_align_sa,
+      const struct isl_extent4d *phys_level0_sa,
+      uint32_t *array_pitch_el_rows,
+      struct isl_extent2d *phys_total_el)
+{
+   const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
+
+   const struct isl_extent2d tile_extent_sa = {
+      .w = tile_info->logical_extent_el.w * fmtl->bw,
+      .h = tile_info->logical_extent_el.h * fmtl->bh,
+   };
+   /* Tile size is a multiple of image alignment */
+   assert(tile_extent_sa.w % image_align_sa->w == 0);
+   assert(tile_extent_sa.h % image_align_sa->h == 0);
+
+   const uint32_t W0 = phys_level0_sa->w;
+   const uint32_t H0 = phys_level0_sa->h;
+
+   /* Each image has the same height as LOD0 because the hardware thinks
+    * everything is LOD0
+    */
+   const uint32_t H = isl_align(H0, image_align_sa->h) * phys_level0_sa->a;
+
+   uint32_t total_top_w = 0;
+   uint32_t total_bottom_w = 0;
+   uint32_t total_h = 0;
+
+   for (uint32_t l = 0; l < info->levels; ++l) {
+      const uint32_t W = isl_minify(W0, l);
+
+      const uint32_t w = isl_align(W, tile_extent_sa.w);
+      const uint32_t h = isl_align(H, tile_extent_sa.h);
+
+      if (l == 0) {
+         total_top_w = w;
+         total_h = h;
+      } else if (l == 1) {
+         total_bottom_w = w;
+         total_h += h;
+      } else {
+         total_bottom_w += w;
+      }
+   }
+
+   *array_pitch_el_rows =
+      isl_assert_div(isl_align(H0, image_align_sa->h), fmtl->bh);
+   *phys_total_el = (struct isl_extent2d) {
+      .w = isl_assert_div(MAX(total_top_w, total_bottom_w), fmtl->bw),
+      .h = isl_assert_div(total_h, fmtl->bh),
    };
 }
 
@@ -819,12 +1051,13 @@ isl_calc_phys_slice0_extent_sa_gen4_3d(
  * ISL_DIM_LAYOUT_GEN9_1D.
  */
 static void
-isl_calc_phys_slice0_extent_sa_gen9_1d(
+isl_calc_phys_total_extent_el_gen9_1d(
       const struct isl_device *dev,
       const struct isl_surf_init_info *restrict info,
       const struct isl_extent3d *image_align_sa,
       const struct isl_extent4d *phys_level0_sa,
-      struct isl_extent2d *phys_slice0_sa)
+      uint32_t *array_pitch_el_rows,
+      struct isl_extent2d *phys_total_el)
 {
    MAYBE_UNUSED const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
 
@@ -843,156 +1076,60 @@ isl_calc_phys_slice0_extent_sa_gen9_1d(
       slice_w += w;
    }
 
-   *phys_slice0_sa = isl_extent2d(slice_w, 1);
+   *array_pitch_el_rows = 1;
+   *phys_total_el = (struct isl_extent2d) {
+      .w = isl_assert_div(slice_w, fmtl->bw),
+      .h = phys_level0_sa->array_len,
+   };
 }
 
 /**
- * Calculate the physical extent of the surface's first array slice, in units
- * of surface samples. If the surface is multi-leveled, then the result will
- * be aligned to \a image_align_sa.
+ * Calculate the two-dimensional total physical extent of the surface, in
+ * units of surface elements.
  */
 static void
-isl_calc_phys_slice0_extent_sa(const struct isl_device *dev,
-                               const struct isl_surf_init_info *restrict info,
-                               enum isl_dim_layout dim_layout,
-                               enum isl_msaa_layout msaa_layout,
-                               const struct isl_extent3d *image_align_sa,
-                               const struct isl_extent4d *phys_level0_sa,
-                               struct isl_extent2d *phys_slice0_sa)
+isl_calc_phys_total_extent_el(const struct isl_device *dev,
+                              const struct isl_surf_init_info *restrict info,
+                              const struct isl_tile_info *tile_info,
+                              enum isl_dim_layout dim_layout,
+                              enum isl_msaa_layout msaa_layout,
+                              const struct isl_extent3d *image_align_sa,
+                              const struct isl_extent4d *phys_level0_sa,
+                              enum isl_array_pitch_span array_pitch_span,
+                              uint32_t *array_pitch_el_rows,
+                              struct isl_extent2d *total_extent_el)
 {
    switch (dim_layout) {
    case ISL_DIM_LAYOUT_GEN9_1D:
-      isl_calc_phys_slice0_extent_sa_gen9_1d(dev, info,
-                                             image_align_sa, phys_level0_sa,
-                                             phys_slice0_sa);
+      assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT);
+      isl_calc_phys_total_extent_el_gen9_1d(dev, info,
+                                            image_align_sa, phys_level0_sa,
+                                            array_pitch_el_rows,
+                                            total_extent_el);
       return;
    case ISL_DIM_LAYOUT_GEN4_2D:
-      isl_calc_phys_slice0_extent_sa_gen4_2d(dev, info, msaa_layout,
-                                             image_align_sa, phys_level0_sa,
-                                             phys_slice0_sa);
+      isl_calc_phys_total_extent_el_gen4_2d(dev, info, tile_info, msaa_layout,
+                                            image_align_sa, phys_level0_sa,
+                                            array_pitch_span,
+                                            array_pitch_el_rows,
+                                            total_extent_el);
       return;
-   case ISL_DIM_LAYOUT_GEN4_3D:
-      isl_calc_phys_slice0_extent_sa_gen4_3d(dev, info, image_align_sa,
-                                             phys_level0_sa, phys_slice0_sa);
+   case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
+      assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT);
+      isl_calc_phys_total_extent_el_gen6_stencil_hiz(dev, info, tile_info,
+                                                     image_align_sa,
+                                                     phys_level0_sa,
+                                                     array_pitch_el_rows,
+                                                     total_extent_el);
       return;
-   }
-}
-
-/**
- * Calculate the pitch between physical array slices, in units of rows of
- * surface elements.
- */
-static uint32_t
-isl_calc_array_pitch_el_rows(const struct isl_device *dev,
-                             const struct isl_surf_init_info *restrict info,
-                             const struct isl_tile_info *tile_info,
-                             enum isl_dim_layout dim_layout,
-                             enum isl_array_pitch_span array_pitch_span,
-                             const struct isl_extent3d *image_align_sa,
-                             const struct isl_extent4d *phys_level0_sa,
-                             const struct isl_extent2d *phys_slice0_sa)
-{
-   const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
-   uint32_t pitch_sa_rows = 0;
-
-   switch (dim_layout) {
-   case ISL_DIM_LAYOUT_GEN9_1D:
-      /* Each row is an array slice */
-      pitch_sa_rows = 1;
-      break;
-   case ISL_DIM_LAYOUT_GEN4_2D:
-      switch (array_pitch_span) {
-      case ISL_ARRAY_PITCH_SPAN_COMPACT:
-         pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h);
-         break;
-      case ISL_ARRAY_PITCH_SPAN_FULL: {
-         /* The QPitch equation is found in the Broadwell PRM >> Volume 5:
-          * Memory Views >> Common Surface Formats >> Surface Layout >> 2D
-          * Surfaces >> Surface Arrays.
-          */
-         uint32_t H0_sa = phys_level0_sa->h;
-         uint32_t H1_sa = isl_minify(H0_sa, 1);
-
-         uint32_t h0_sa = isl_align_npot(H0_sa, image_align_sa->h);
-         uint32_t h1_sa = isl_align_npot(H1_sa, image_align_sa->h);
-
-         uint32_t m;
-         if (ISL_DEV_GEN(dev) >= 7) {
-            /* The QPitch equation changed slightly in Ivybridge. */
-            m = 12;
-         } else {
-            m = 11;
-         }
-
-         pitch_sa_rows = h0_sa + h1_sa + (m * image_align_sa->h);
-
-         if (ISL_DEV_GEN(dev) == 6 && info->samples > 1 &&
-             (info->height % 4 == 1)) {
-            /* [SNB] Errata from the Sandy Bridge PRM >> Volume 4 Part 1:
-             * Graphics Core >> Section 7.18.3.7: Surface Arrays:
-             *
-             *    [SNB] Errata: Sampler MSAA Qpitch will be 4 greater than
-             *    the value calculated in the equation above , for every
-             *    other odd Surface Height starting from 1 i.e. 1,5,9,13.
-             *
-             * XXX(chadv): Is the errata natural corollary of the physical
-             * layout of interleaved samples?
-             */
-            pitch_sa_rows += 4;
-         }
-
-         pitch_sa_rows = isl_align_npot(pitch_sa_rows, fmtl->bh);
-         } /* end case */
-         break;
-      }
-      break;
    case ISL_DIM_LAYOUT_GEN4_3D:
       assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT);
-      pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h);
-      break;
-   default:
-      unreachable("bad isl_dim_layout");
-      break;
-   }
-
-   assert(pitch_sa_rows % fmtl->bh == 0);
-   uint32_t pitch_el_rows = pitch_sa_rows / fmtl->bh;
-
-   if (ISL_DEV_GEN(dev) >= 9 && fmtl->txc == ISL_TXC_CCS) {
-      /*
-       * From the Sky Lake PRM Vol 7, "MCS Buffer for Render Target(s)" (p. 632):
-       *
-       *    "Mip-mapped and arrayed surfaces are supported with MCS buffer
-       *    layout with these alignments in the RT space: Horizontal
-       *    Alignment = 128 and Vertical Alignment = 64."
-       *
-       * From the Sky Lake PRM Vol. 2d, "RENDER_SURFACE_STATE" (p. 435):
-       *
-       *    "For non-multisampled render target's CCS auxiliary surface,
-       *    QPitch must be computed with Horizontal Alignment = 128 and
-       *    Surface Vertical Alignment = 256. These alignments are only for
-       *    CCS buffer and not for associated render target."
-       *
-       * The first restriction is already handled by isl_choose_image_alignment_el
-       * but the second restriction, which is an extension of the first, only
-       * applies to qpitch and must be applied here.
-       */
-      assert(fmtl->bh == 4);
-      pitch_el_rows = isl_align(pitch_el_rows, 256 / 4);
-   }
-
-   if (ISL_DEV_GEN(dev) >= 9 &&
-       info->dim == ISL_SURF_DIM_3D &&
-       tile_info->tiling != ISL_TILING_LINEAR) {
-      /* From the Skylake BSpec >> RENDER_SURFACE_STATE >> Surface QPitch:
-       *
-       *    Tile Mode != Linear: This field must be set to an integer multiple
-       *    of the tile height
-       */
-      pitch_el_rows = isl_align(pitch_el_rows, tile_info->logical_extent_el.height);
+      isl_calc_phys_total_extent_el_gen4_3d(dev, info,
+                                            image_align_sa, phys_level0_sa,
+                                            array_pitch_el_rows,
+                                            total_extent_el);
+      return;
    }
-
-   return pitch_el_rows;
 }
 
 static uint32_t
@@ -1033,74 +1170,129 @@ isl_calc_row_pitch_alignment(const struct isl_surf_init_info *surf_info,
 static uint32_t
 isl_calc_linear_min_row_pitch(const struct isl_device *dev,
                               const struct isl_surf_init_info *info,
-                              const struct isl_extent2d *phys_slice0_sa,
+                              const struct isl_extent2d *phys_total_el,
                               uint32_t alignment)
 {
    const struct isl_format_layout *fmtl = isl_format_get_layout(info->format);
    const uint32_t bs = fmtl->bpb / 8;
 
-   assert(phys_slice0_sa->w % fmtl->bw == 0);
-
-   uint32_t min_row_pitch = bs * (phys_slice0_sa->w / fmtl->bw);
-   min_row_pitch = MAX2(min_row_pitch, info->min_pitch);
-   min_row_pitch = isl_align_npot(min_row_pitch, alignment);
-
-   return min_row_pitch;
+   return isl_align_npot(bs * phys_total_el->w, alignment);
 }
 
 static uint32_t
 isl_calc_tiled_min_row_pitch(const struct isl_device *dev,
                              const struct isl_surf_init_info *surf_info,
                              const struct isl_tile_info *tile_info,
-                             const struct isl_extent2d *phys_slice0_sa,
+                             const struct isl_extent2d *phys_total_el,
                              uint32_t alignment)
 {
    const struct isl_format_layout *fmtl = isl_format_get_layout(surf_info->format);
 
    assert(fmtl->bpb % tile_info->format_bpb == 0);
-   assert(phys_slice0_sa->w % fmtl->bw == 0);
 
    const uint32_t tile_el_scale = fmtl->bpb / tile_info->format_bpb;
-   const uint32_t total_w_el = phys_slice0_sa->width / fmtl->bw;
    const uint32_t total_w_tl =
-      isl_align_div(total_w_el * tile_el_scale,
+      isl_align_div(phys_total_el->w * tile_el_scale,
                     tile_info->logical_extent_el.width);
 
-   uint32_t min_row_pitch = total_w_tl * tile_info->phys_extent_B.width;
-   min_row_pitch = MAX2(min_row_pitch, surf_info->min_pitch);
-   min_row_pitch = isl_align_npot(min_row_pitch, alignment);
-
-   return min_row_pitch;
+   assert(alignment == tile_info->phys_extent_B.width);
+   return total_w_tl * tile_info->phys_extent_B.width;
 }
 
 static uint32_t
 isl_calc_min_row_pitch(const struct isl_device *dev,
                        const struct isl_surf_init_info *surf_info,
                        const struct isl_tile_info *tile_info,
-                       const struct isl_extent2d *phys_slice0_sa,
+                       const struct isl_extent2d *phys_total_el,
                        uint32_t alignment)
 {
    if (tile_info->tiling == ISL_TILING_LINEAR) {
-      return isl_calc_linear_min_row_pitch(dev, surf_info, phys_slice0_sa,
+      return isl_calc_linear_min_row_pitch(dev, surf_info, phys_total_el,
                                            alignment);
    } else {
       return isl_calc_tiled_min_row_pitch(dev, surf_info, tile_info,
-                                          phys_slice0_sa, alignment);
+                                          phys_total_el, alignment);
    }
 }
 
-static uint32_t
+/**
+ * Is `pitch` in the valid range for a hardware bitfield, if the bitfield's
+ * size is `bits` bits?
+ *
+ * Hardware pitch fields are offset by 1. For example, if the size of
+ * RENDER_SURFACE_STATE::SurfacePitch is B bits, then the range of valid
+ * pitches is [1, 2^b] inclusive.  If the surface pitch is N, then
+ * RENDER_SURFACE_STATE::SurfacePitch must be set to N-1.
+ */
+static bool
+pitch_in_range(uint32_t n, uint32_t bits)
+{
+   assert(n != 0);
+   return likely(bits != 0 && 1 <= n && n <= (1 << bits));
+}
+
+static bool
 isl_calc_row_pitch(const struct isl_device *dev,
                    const struct isl_surf_init_info *surf_info,
                    const struct isl_tile_info *tile_info,
                    enum isl_dim_layout dim_layout,
-                   const struct isl_extent2d *phys_slice0_sa)
+                   const struct isl_extent2d *phys_total_el,
+                   uint32_t *out_row_pitch)
 {
    const uint32_t alignment =
       isl_calc_row_pitch_alignment(surf_info, tile_info);
 
-   return isl_calc_min_row_pitch(dev, surf_info, tile_info, phys_slice0_sa,
-                                 alignment);
+   const uint32_t min_row_pitch =
+      isl_calc_min_row_pitch(dev, surf_info, tile_info, phys_total_el,
+                             alignment);
+
+   uint32_t row_pitch = min_row_pitch;
+
+   if (surf_info->row_pitch != 0) {
+      row_pitch = surf_info->row_pitch;
+
+      if (row_pitch < min_row_pitch)
+         return false;
+
+      if (row_pitch % alignment != 0)
+         return false;
+   }
+
+   const uint32_t row_pitch_tiles = row_pitch / tile_info->phys_extent_B.width;
+
+   if (row_pitch == 0)
+      return false;
+
+   if (dim_layout == ISL_DIM_LAYOUT_GEN9_1D) {
+      /* SurfacePitch is ignored for this layout. */
+      goto done;
+   }
+
+   if ((surf_info->usage & (ISL_SURF_USAGE_RENDER_TARGET_BIT |
+                            ISL_SURF_USAGE_TEXTURE_BIT |
+                            ISL_SURF_USAGE_STORAGE_BIT)) &&
+       !pitch_in_range(row_pitch, RENDER_SURFACE_STATE_SurfacePitch_bits(dev->info)))
+      return false;
+
+   if ((surf_info->usage & (ISL_SURF_USAGE_CCS_BIT |
+                            ISL_SURF_USAGE_MCS_BIT)) &&
+       !pitch_in_range(row_pitch_tiles, RENDER_SURFACE_STATE_AuxiliarySurfacePitch_bits(dev->info)))
+      return false;
+
+   if ((surf_info->usage & ISL_SURF_USAGE_DEPTH_BIT) &&
+       !pitch_in_range(row_pitch, _3DSTATE_DEPTH_BUFFER_SurfacePitch_bits(dev->info)))
+      return false;
+
+   if ((surf_info->usage & ISL_SURF_USAGE_HIZ_BIT) &&
+       !pitch_in_range(row_pitch, _3DSTATE_HIER_DEPTH_BUFFER_SurfacePitch_bits(dev->info)))
+      return false;
+
+   if (surf_info->usage & ISL_SURF_USAGE_STENCIL_BIT)
+      isl_finishme("validate row pitch of stencil surfaces");
+
+ done:
+   *out_row_pitch = row_pitch;
+   return true;
 }
 
 /**
@@ -1232,8 +1424,7 @@ isl_surf_init_s(const struct isl_device *dev,
       return false;
 
    struct isl_tile_info tile_info;
-   if (!isl_tiling_get_info(dev, tiling, fmtl->bpb, &tile_info))
-      return false;
+   isl_tiling_get_info(tiling, fmtl->bpb, &tile_info);
 
    const enum isl_dim_layout dim_layout =
       isl_surf_choose_dim_layout(dev, info->dim, tiling);
@@ -1258,29 +1449,27 @@ isl_surf_init_s(const struct isl_device *dev,
    enum isl_array_pitch_span array_pitch_span =
       isl_choose_array_pitch_span(dev, info, dim_layout, &phys_level0_sa);
 
-   struct isl_extent2d phys_slice0_sa;
-   isl_calc_phys_slice0_extent_sa(dev, info, dim_layout, msaa_layout,
-                                  &image_align_sa, &phys_level0_sa,
-                                  &phys_slice0_sa);
-   assert(phys_slice0_sa.w % fmtl->bw == 0);
-   assert(phys_slice0_sa.h % fmtl->bh == 0);
-
-   const uint32_t array_pitch_el_rows =
-      isl_calc_array_pitch_el_rows(dev, info, &tile_info, dim_layout,
-                                   array_pitch_span, &image_align_sa,
-                                   &phys_level0_sa, &phys_slice0_sa);
-
-   uint32_t total_h_el = phys_level0_sa.array_len * array_pitch_el_rows;
+   uint32_t array_pitch_el_rows;
+   struct isl_extent2d phys_total_el;
+   isl_calc_phys_total_extent_el(dev, info, &tile_info,
+                                 dim_layout, msaa_layout,
+                                 &image_align_sa, &phys_level0_sa,
+                                 array_pitch_span, &array_pitch_el_rows,
+                                 &phys_total_el);
 
+   uint32_t padded_h_el = phys_total_el.h;
    uint32_t pad_bytes;
-   isl_apply_surface_padding(dev, info, &tile_info, &total_h_el, &pad_bytes);
+   isl_apply_surface_padding(dev, info, &tile_info, &padded_h_el, &pad_bytes);
 
-   const uint32_t row_pitch = isl_calc_row_pitch(dev, info, &tile_info,
-                                                 dim_layout, &phys_slice0_sa);
+   uint32_t row_pitch;
+   if (!isl_calc_row_pitch(dev, info, &tile_info, dim_layout,
+                           &phys_total_el, &row_pitch))
+      return false;
 
-   uint32_t size, base_alignment;
+   uint32_t base_alignment;
+   uint64_t size;
    if (tiling == ISL_TILING_LINEAR) {
-      size = row_pitch * total_h_el + pad_bytes;
+      size = row_pitch * padded_h_el + pad_bytes;
 
       /* From the Broadwell PRM Vol 2d, RENDER_SURFACE_STATE::SurfaceBaseAddress:
        *
@@ -1301,9 +1490,9 @@ isl_surf_init_s(const struct isl_device *dev,
       }
       base_alignment = isl_round_up_to_power_of_two(base_alignment);
    } else {
-      total_h_el += isl_align_div_npot(pad_bytes, row_pitch);
+      padded_h_el += isl_align_div_npot(pad_bytes, row_pitch);
       const uint32_t total_h_tl =
-         isl_align_div(total_h_el, tile_info.logical_extent_el.height);
+         isl_align_div(padded_h_el, tile_info.logical_extent_el.height);
 
       size = total_h_tl * tile_info.phys_extent_B.height * row_pitch;
 
@@ -1313,6 +1502,28 @@ isl_surf_init_s(const struct isl_device *dev,
       base_alignment = MAX(info->min_alignment, tile_size);
    }
 
+   if (ISL_DEV_GEN(dev) < 9) {
+      /* From the Broadwell PRM Vol 5, Surface Layout:
+       *
+       *    "In addition to restrictions on maximum height, width, and depth,
+       *     surfaces are also restricted to a maximum size in bytes. This
+       *     maximum is 2 GB for all products and all surface types."
+       *
+       * This comment is applicable to all Pre-gen9 platforms.
+       */
+      if (size > (uint64_t) 1 << 31)
+         return false;
+   } else {
+      /* From the Skylake PRM Vol 5, Maximum Surface Size in Bytes:
+       *    "In addition to restrictions on maximum height, width, and depth,
+       *     surfaces are also restricted to a maximum size of 2^38 bytes.
+       *     All pixels within the surface must be contained within 2^38 bytes
+       *     of the base address."
+       */
+      if (size > (uint64_t) 1 << 38)
+         return false;
+   }
+
    *surf = (struct isl_surf) {
       .dim = info->dim,
       .dim_layout = dim_layout,
@@ -1340,12 +1551,11 @@ isl_surf_init_s(const struct isl_device *dev,
 }
 
 void
-isl_surf_get_tile_info(const struct isl_device *dev,
-                       const struct isl_surf *surf,
+isl_surf_get_tile_info(const struct isl_surf *surf,
                        struct isl_tile_info *tile_info)
 {
    const struct isl_format_layout *fmtl = isl_format_get_layout(surf->format);
-   isl_tiling_get_info(dev, surf->tiling, fmtl->bpb, tile_info);
+   isl_tiling_get_info(surf->tiling, fmtl->bpb, tile_info);
 }
 
 bool
@@ -1590,6 +1800,9 @@ isl_surf_fill_state_s(const struct isl_device *dev, void *state,
    case 9:
       isl_gen9_surf_fill_state_s(dev, state, info);
       break;
+   case 10:
+      isl_gen10_surf_fill_state_s(dev, state, info);
+      break;
    default:
       assert(!"Cannot fill surface state for this gen");
    }
@@ -1621,6 +1834,79 @@ isl_buffer_fill_state_s(const struct isl_device *dev, void *state,
    case 9:
       isl_gen9_buffer_fill_state_s(state, info);
       break;
+   case 10:
+      isl_gen10_buffer_fill_state_s(state, info);
+      break;
+   default:
+      assert(!"Cannot fill surface state for this gen");
+   }
+}
+
+void
+isl_emit_depth_stencil_hiz_s(const struct isl_device *dev, void *batch,
+                             const struct isl_depth_stencil_hiz_emit_info *restrict info)
+{
+   if (info->depth_surf && info->stencil_surf) {
+      if (!dev->info->has_hiz_and_separate_stencil) {
+         assert(info->depth_surf == info->stencil_surf);
+         assert(info->depth_address == info->stencil_address);
+      }
+      assert(info->depth_surf->dim == info->stencil_surf->dim);
+   }
+
+   if (info->depth_surf) {
+      assert((info->depth_surf->usage & ISL_SURF_USAGE_DEPTH_BIT));
+      if (info->depth_surf->dim == ISL_SURF_DIM_3D) {
+         assert(info->view->base_array_layer + info->view->array_len <=
+                info->depth_surf->logical_level0_px.depth);
+      } else {
+         assert(info->view->base_array_layer + info->view->array_len <=
+                info->depth_surf->logical_level0_px.array_len);
+      }
+   }
+
+   if (info->stencil_surf) {
+      assert((info->stencil_surf->usage & ISL_SURF_USAGE_STENCIL_BIT));
+      if (info->stencil_surf->dim == ISL_SURF_DIM_3D) {
+         assert(info->view->base_array_layer + info->view->array_len <=
+                info->stencil_surf->logical_level0_px.depth);
+      } else {
+         assert(info->view->base_array_layer + info->view->array_len <=
+                info->stencil_surf->logical_level0_px.array_len);
+      }
+   }
+
+   switch (ISL_DEV_GEN(dev)) {
+   case 4:
+      if (ISL_DEV_IS_G4X(dev)) {
+         /* G45 surface state is the same as gen5 */
+         isl_gen5_emit_depth_stencil_hiz_s(dev, batch, info);
+      } else {
+         isl_gen4_emit_depth_stencil_hiz_s(dev, batch, info);
+      }
+      break;
+   case 5:
+      isl_gen5_emit_depth_stencil_hiz_s(dev, batch, info);
+      break;
+   case 6:
+      isl_gen6_emit_depth_stencil_hiz_s(dev, batch, info);
+      break;
+   case 7:
+      if (ISL_DEV_IS_HASWELL(dev)) {
+         isl_gen75_emit_depth_stencil_hiz_s(dev, batch, info);
+      } else {
+         isl_gen7_emit_depth_stencil_hiz_s(dev, batch, info);
+      }
+      break;
+   case 8:
+      isl_gen8_emit_depth_stencil_hiz_s(dev, batch, info);
+      break;
+   case 9:
+      isl_gen9_emit_depth_stencil_hiz_s(dev, batch, info);
+      break;
+   case 10:
+      isl_gen10_emit_depth_stencil_hiz_s(dev, batch, info);
+      break;
    default:
       assert(!"Cannot fill surface state for this gen");
    }
@@ -1679,8 +1965,15 @@ get_image_offset_sa_gen4_3d(const struct isl_surf *surf,
                             uint32_t *y_offset_sa)
 {
    assert(level < surf->levels);
-   assert(logical_z_offset_px < isl_minify(surf->phys_level0_sa.depth, level));
-   assert(surf->phys_level0_sa.array_len == 1);
+   if (surf->dim == ISL_SURF_DIM_3D) {
+      assert(surf->phys_level0_sa.array_len == 1);
+      assert(logical_z_offset_px < isl_minify(surf->phys_level0_sa.depth, level));
+   } else {
+      assert(surf->dim == ISL_SURF_DIM_2D);
+      assert(surf->usage & ISL_SURF_USAGE_CUBE_BIT);
+      assert(surf->phys_level0_sa.array_len == 6);
+      assert(logical_z_offset_px < surf->phys_level0_sa.array_len);
+   }
 
    const struct isl_extent3d image_align_sa =
       isl_surf_get_image_alignment_sa(surf);
@@ -1688,13 +1981,16 @@ get_image_offset_sa_gen4_3d(const struct isl_surf *surf,
    const uint32_t W0 = surf->phys_level0_sa.width;
    const uint32_t H0 = surf->phys_level0_sa.height;
    const uint32_t D0 = surf->phys_level0_sa.depth;
+   const uint32_t AL = surf->phys_level0_sa.array_len;
 
    uint32_t x = 0;
    uint32_t y = 0;
 
    for (uint32_t l = 0; l < level; ++l) {
       const uint32_t level_h = isl_align_npot(isl_minify(H0, l), image_align_sa.h);
-      const uint32_t level_d = isl_align_npot(isl_minify(D0, l), image_align_sa.d);
+      const uint32_t level_d =
+         isl_align_npot(surf->dim == ISL_SURF_DIM_3D ? isl_minify(D0, l) : AL,
+                        image_align_sa.d);
       const uint32_t max_layers_vert = isl_align(level_d, 1u << l) / (1u << l);
 
       y += level_h * max_layers_vert;
@@ -1702,7 +1998,9 @@ get_image_offset_sa_gen4_3d(const struct isl_surf *surf,
 
    const uint32_t level_w = isl_align_npot(isl_minify(W0, level), image_align_sa.w);
    const uint32_t level_h = isl_align_npot(isl_minify(H0, level), image_align_sa.h);
-   const uint32_t level_d = isl_align_npot(isl_minify(D0, level), image_align_sa.d);
+   const uint32_t level_d =
+      isl_align_npot(surf->dim == ISL_SURF_DIM_3D ? isl_minify(D0, level) : AL,
+                     image_align_sa.d);
 
    const uint32_t max_layers_horiz = MIN(level_d, 1u << level);
 
@@ -1713,6 +2011,65 @@ get_image_offset_sa_gen4_3d(const struct isl_surf *surf,
    *y_offset_sa = y;
 }
 
+static void
+get_image_offset_sa_gen6_stencil_hiz(const struct isl_surf *surf,
+                                     uint32_t level,
+                                     uint32_t logical_array_layer,
+                                     uint32_t *x_offset_sa,
+                                     uint32_t *y_offset_sa)
+{
+   assert(level < surf->levels);
+   assert(surf->logical_level0_px.depth == 1);
+   assert(logical_array_layer < surf->logical_level0_px.array_len);
+
+   const struct isl_format_layout *fmtl = isl_format_get_layout(surf->format);
+
+   const struct isl_extent3d image_align_sa =
+      isl_surf_get_image_alignment_sa(surf);
+
+   struct isl_tile_info tile_info;
+   isl_tiling_get_info(surf->tiling, fmtl->bpb, &tile_info);
+   const struct isl_extent2d tile_extent_sa = {
+      .w = tile_info.logical_extent_el.w * fmtl->bw,
+      .h = tile_info.logical_extent_el.h * fmtl->bh,
+   };
+   /* Tile size is a multiple of image alignment */
+   assert(tile_extent_sa.w % image_align_sa.w == 0);
+   assert(tile_extent_sa.h % image_align_sa.h == 0);
+
+   const uint32_t W0 = surf->phys_level0_sa.w;
+   const uint32_t H0 = surf->phys_level0_sa.h;
+
+   /* Each image has the same height as LOD0 because the hardware thinks
+    * everything is LOD0
+    */
+   const uint32_t H = isl_align(H0, image_align_sa.h);
+
+   /* Quick sanity check for consistency */
+   if (surf->phys_level0_sa.array_len > 1)
+      assert(surf->array_pitch_el_rows == isl_assert_div(H, fmtl->bh));
+
+   uint32_t x = 0, y = 0;
+   for (uint32_t l = 0; l < level; ++l) {
+      const uint32_t W = isl_minify(W0, l);
+
+      const uint32_t w = isl_align(W, tile_extent_sa.w);
+      const uint32_t h = isl_align(H * surf->phys_level0_sa.a,
+                                   tile_extent_sa.h);
+
+      if (l == 0) {
+         y += h;
+      } else {
+         x += w;
+      }
+   }
+
+   y += H * logical_array_layer;
+
+   *x_offset_sa = x;
+   *y_offset_sa = y;
+}
+
 /**
  * A variant of isl_surf_get_image_offset_sa() specific to
  * ISL_DIM_LAYOUT_GEN9_1D.
@@ -1778,9 +2135,15 @@ isl_surf_get_image_offset_sa(const struct isl_surf *surf,
                                   x_offset_sa, y_offset_sa);
       break;
    case ISL_DIM_LAYOUT_GEN4_3D:
-      get_image_offset_sa_gen4_3d(surf, level, logical_z_offset_px,
+      get_image_offset_sa_gen4_3d(surf, level, logical_array_layer +
+                                  logical_z_offset_px,
                                   x_offset_sa, y_offset_sa);
       break;
+   case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
+      get_image_offset_sa_gen6_stencil_hiz(surf, level, logical_array_layer +
+                                           logical_z_offset_px,
+                                           x_offset_sa, y_offset_sa);
+      break;
 
    default:
       unreachable("not reached");
@@ -1814,9 +2177,47 @@ isl_surf_get_image_offset_el(const struct isl_surf *surf,
 }
 
 void
-isl_tiling_get_intratile_offset_el(const struct isl_device *dev,
-                                   enum isl_tiling tiling,
-                                   uint8_t bs,
+isl_surf_get_image_offset_B_tile_sa(const struct isl_surf *surf,
+                                    uint32_t level,
+                                    uint32_t logical_array_layer,
+                                    uint32_t logical_z_offset_px,
+                                    uint32_t *offset_B,
+                                    uint32_t *x_offset_sa,
+                                    uint32_t *y_offset_sa)
+{
+   const struct isl_format_layout *fmtl = isl_format_get_layout(surf->format);
+
+   uint32_t total_x_offset_el, total_y_offset_el;
+   isl_surf_get_image_offset_el(surf, level, logical_array_layer,
+                                logical_z_offset_px,
+                                &total_x_offset_el,
+                                &total_y_offset_el);
+
+   uint32_t x_offset_el, y_offset_el;
+   isl_tiling_get_intratile_offset_el(surf->tiling, fmtl->bpb,
+                                      surf->row_pitch,
+                                      total_x_offset_el,
+                                      total_y_offset_el,
+                                      offset_B,
+                                      &x_offset_el,
+                                      &y_offset_el);
+
+   if (x_offset_sa) {
+      *x_offset_sa = x_offset_el * fmtl->bw;
+   } else {
+      assert(x_offset_el == 0);
+   }
+
+   if (y_offset_sa) {
+      *y_offset_sa = y_offset_el * fmtl->bh;
+   } else {
+      assert(y_offset_el == 0);
+   }
+}
+
+void
+isl_tiling_get_intratile_offset_el(enum isl_tiling tiling,
+                                   uint32_t bpb,
                                    uint32_t row_pitch,
                                    uint32_t total_x_offset_el,
                                    uint32_t total_y_offset_el,
@@ -1825,17 +2226,16 @@ isl_tiling_get_intratile_offset_el(const struct isl_device *dev,
                                    uint32_t *y_offset_el)
 {
    if (tiling == ISL_TILING_LINEAR) {
+      assert(bpb % 8 == 0);
       *base_address_offset = total_y_offset_el * row_pitch +
-                             total_x_offset_el * bs;
+                             total_x_offset_el * (bpb / 8);
       *x_offset_el = 0;
       *y_offset_el = 0;
       return;
    }
 
-   const uint32_t bpb = bs * 8;
-
    struct isl_tile_info tile_info;
-   isl_tiling_get_info(dev, tiling, bpb, &tile_info);
+   isl_tiling_get_info(tiling, bpb, &tile_info);
 
    assert(row_pitch % tile_info.phys_extent_B.width == 0);