+#if GEN_GEN >= 9
+ /* We don't use miptails yet. The PRM recommends that you set "Mip Tail
+ * Start LOD" to 15 to prevent the hardware from trying to use them.
+ */
+ s.TiledResourceMode = NONE;
+ s.MipTailStartLOD = 15;
+#endif
+
+#if GEN_GEN >= 6
+ const struct isl_extent3d image_align = get_image_alignment(info->surf);
+ s.SurfaceVerticalAlignment = isl_to_gen_valign[image_align.height];
+#if GEN_GEN >= 7
+ s.SurfaceHorizontalAlignment = isl_to_gen_halign[image_align.width];
+#endif
+#endif
+
+ if (info->surf->dim_layout == ISL_DIM_LAYOUT_GEN9_1D) {
+ /* For gen9 1-D textures, surface pitch is ignored */
+ s.SurfacePitch = 0;
+ } else {
+ s.SurfacePitch = info->surf->row_pitch - 1;
+ }
+
+#if GEN_GEN >= 8
+ s.SurfaceQPitch = get_qpitch(info->surf) >> 2;
+#elif GEN_GEN == 7
+ s.SurfaceArraySpacing = info->surf->array_pitch_span ==
+ ISL_ARRAY_PITCH_SPAN_COMPACT;
+#endif
+
+#if GEN_GEN >= 8
+ s.TileMode = isl_to_gen_tiling[info->surf->tiling];
+#else
+ s.TiledSurface = info->surf->tiling != ISL_TILING_LINEAR,
+ s.TileWalk = info->surf->tiling == ISL_TILING_Y0 ? TILEWALK_YMAJOR :
+ TILEWALK_XMAJOR,
+#endif
+
+#if GEN_GEN >= 8
+ s.RenderCacheReadWriteMode = WriteOnlyCache;
+#else
+ s.RenderCacheReadWriteMode = 0;
+#endif
+
+ if (info->view->usage & ISL_SURF_USAGE_CUBE_BIT) {
+#if GEN_GEN >= 8
+ s.CubeFaceEnablePositiveZ = 1;
+ s.CubeFaceEnableNegativeZ = 1;
+ s.CubeFaceEnablePositiveY = 1;
+ s.CubeFaceEnableNegativeY = 1;
+ s.CubeFaceEnablePositiveX = 1;
+ s.CubeFaceEnableNegativeX = 1;
+#else
+ s.CubeFaceEnables = 0x3f;
+#endif
+ }
+
+#if GEN_GEN >= 6
+ s.NumberofMultisamples = ffs(info->surf->samples) - 1;
+#if GEN_GEN >= 7
+ s.MultisampledSurfaceStorageFormat =
+ isl_to_gen_multisample_layout[info->surf->msaa_layout];
+#endif
+#endif
+
+#if (GEN_GEN >= 8 || GEN_IS_HASWELL)
+ s.ShaderChannelSelectRed = info->view->swizzle.r;
+ s.ShaderChannelSelectGreen = info->view->swizzle.g;
+ s.ShaderChannelSelectBlue = info->view->swizzle.b;
+ s.ShaderChannelSelectAlpha = info->view->swizzle.a;
+#endif
+
+ s.SurfaceBaseAddress = info->address;
+
+#if GEN_GEN >= 6
+ s.MOCS = info->mocs;
+#endif
+
+#if GEN_GEN > 4 || GEN_IS_G4X
+ if (info->x_offset_sa != 0 || info->y_offset_sa != 0) {
+ /* There are fairly strict rules about when the offsets can be used.
+ * These are mostly taken from the Sky Lake PRM documentation for
+ * RENDER_SURFACE_STATE.
+ */
+ assert(info->surf->tiling != ISL_TILING_LINEAR);
+ assert(info->surf->dim == ISL_SURF_DIM_2D);
+ assert(isl_is_pow2(isl_format_get_layout(info->view->format)->bpb));
+ assert(info->surf->levels == 1);
+ assert(info->surf->logical_level0_px.array_len == 1);
+ assert(info->aux_usage == ISL_AUX_USAGE_NONE);
+
+ if (GEN_GEN >= 8) {
+ /* Broadwell added more rules. */
+ assert(info->surf->samples == 1);
+ if (isl_format_get_layout(info->view->format)->bpb == 8)
+ assert(info->x_offset_sa % 16 == 0);
+ if (isl_format_get_layout(info->view->format)->bpb == 16)
+ assert(info->x_offset_sa % 8 == 0);
+ }
+
+#if GEN_GEN >= 7
+ s.SurfaceArray = false;
+#endif
+ }
+
+ const unsigned x_div = 4;
+ const unsigned y_div = GEN_GEN >= 8 ? 4 : 2;
+ assert(info->x_offset_sa % x_div == 0);
+ assert(info->y_offset_sa % y_div == 0);
+ s.XOffset = info->x_offset_sa / x_div;
+ s.YOffset = info->y_offset_sa / y_div;
+#else
+ assert(info->x_offset_sa == 0);
+ assert(info->y_offset_sa == 0);
+#endif
+
+#if GEN_GEN >= 7
+ if (info->aux_surf && info->aux_usage != ISL_AUX_USAGE_NONE) {
+ struct isl_tile_info tile_info;
+ isl_surf_get_tile_info(dev, info->aux_surf, &tile_info);
+ uint32_t pitch_in_tiles =
+ info->aux_surf->row_pitch / tile_info.phys_extent_B.width;
+
+#if GEN_GEN >= 8
+ assert(GEN_GEN >= 9 || info->aux_usage != ISL_AUX_USAGE_CCS_E);
+ s.AuxiliarySurfacePitch = pitch_in_tiles - 1;
+ /* Auxiliary surfaces in ISL have compressed formats but the hardware
+ * doesn't expect our definition of the compression, it expects qpitch
+ * in units of samples on the main surface.
+ */
+ s.AuxiliarySurfaceQPitch =
+ isl_surf_get_array_pitch_sa_rows(info->aux_surf) >> 2;
+ s.AuxiliarySurfaceBaseAddress = info->aux_address;
+
+ if (info->aux_usage == ISL_AUX_USAGE_HIZ) {
+ /* The number of samples must be 1 */
+ assert(info->surf->samples == 1);
+
+ /* The dimension must not be 3D */
+ assert(info->surf->dim != ISL_SURF_DIM_3D);
+
+ /* The format must be one of the following: */
+ switch (info->view->format) {
+ case ISL_FORMAT_R32_FLOAT:
+ case ISL_FORMAT_R24_UNORM_X8_TYPELESS:
+ case ISL_FORMAT_R16_UNORM:
+ break;
+ default:
+ assert(!"Incompatible HiZ Sampling format");
+ break;
+ }
+ }
+
+ s.AuxiliarySurfaceMode = isl_to_gen_aux_mode[info->aux_usage];
+#else
+ assert(info->aux_usage == ISL_AUX_USAGE_MCS ||
+ info->aux_usage == ISL_AUX_USAGE_CCS_D);
+ s.MCSBaseAddress = info->aux_address,
+ s.MCSSurfacePitch = pitch_in_tiles - 1;
+ s.MCSEnable = true;
+#endif
+ }
+#endif
+