diff options
Diffstat (limited to 'src/intel/isl')
| -rw-r--r-- | src/intel/isl/isl.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index 18e95e25389..05a0a9bbd8c 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -453,12 +453,30 @@ isl_choose_image_alignment_el(const struct isl_device *dev, static enum isl_dim_layout isl_surf_choose_dim_layout(const struct isl_device *dev, - enum isl_surf_dim logical_dim) + enum isl_surf_dim logical_dim, + enum isl_tiling tiling) { if (ISL_DEV_GEN(dev) >= 9) { switch (logical_dim) { case ISL_SURF_DIM_1D: - return ISL_DIM_LAYOUT_GEN9_1D; + /* From the Sky Lake PRM Vol. 5, "1D Surfaces": + * + * One-dimensional surfaces use a tiling mode of linear. + * Technically, they are not tiled resources, but the Tiled + * Resource Mode field in RENDER_SURFACE_STATE is still used to + * indicate the alignment requirements for this linear surface + * (See 1D Alignment requirements for how 4K and 64KB Tiled + * Resource Modes impact alignment). Alternatively, a 1D surface + * can be defined as a 2D tiled surface (e.g. TileY or TileX) with + * a height of 0. + * + * In other words, ISL_DIM_LAYOUT_GEN9_1D is only used for linear + * surfaces and, for tiled surfaces, ISL_DIM_LAYOUT_GEN4_2D is used. + */ + if (tiling == ISL_TILING_LINEAR) + return ISL_DIM_LAYOUT_GEN9_1D; + else + return ISL_DIM_LAYOUT_GEN4_2D; case ISL_SURF_DIM_2D: case ISL_SURF_DIM_3D: return ISL_DIM_LAYOUT_GEN4_2D; @@ -1112,9 +1130,6 @@ isl_surf_init_s(const struct isl_device *dev, .a = info->array_len, }; - enum isl_dim_layout dim_layout = - isl_surf_choose_dim_layout(dev, info->dim); - enum isl_tiling tiling; if (!isl_surf_choose_tiling(dev, info, &tiling)) return false; @@ -1123,6 +1138,9 @@ isl_surf_init_s(const struct isl_device *dev, if (!isl_tiling_get_info(dev, tiling, fmtl->bpb, &tile_info)) return false; + const enum isl_dim_layout dim_layout = + isl_surf_choose_dim_layout(dev, info->dim, tiling); + enum isl_msaa_layout msaa_layout; if (!isl_choose_msaa_layout(dev, info, tiling, &msaa_layout)) return false; |