diff options
Diffstat (limited to 'src/intel/isl')
| -rw-r--r-- | src/intel/isl/isl.c | 41 | ||||
| -rw-r--r-- | src/intel/isl/isl.h | 23 |
2 files changed, 64 insertions, 0 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index fba40caff41..5e3d279b0b6 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -2318,6 +2318,47 @@ isl_surf_get_image_offset_B_tile_sa(const struct isl_surf *surf, } void +isl_surf_get_image_surf(const struct isl_device *dev, + const struct isl_surf *surf, + uint32_t level, + uint32_t logical_array_layer, + uint32_t logical_z_offset_px, + struct isl_surf *image_surf, + uint32_t *offset_B, + uint32_t *x_offset_sa, + uint32_t *y_offset_sa) +{ + isl_surf_get_image_offset_B_tile_sa(surf, + level, + logical_array_layer, + logical_z_offset_px, + offset_B, + x_offset_sa, + y_offset_sa); + + /* Even for cube maps there will be only single face, therefore drop the + * corresponding flag if present. + */ + const isl_surf_usage_flags_t usage = + surf->usage & (~ISL_SURF_USAGE_CUBE_BIT); + + bool ok UNUSED; + ok = isl_surf_init(dev, image_surf, + .dim = ISL_SURF_DIM_2D, + .format = surf->format, + .width = isl_minify(surf->logical_level0_px.w, level), + .height = isl_minify(surf->logical_level0_px.h, level), + .depth = 1, + .levels = 1, + .array_len = 1, + .samples = surf->samples, + .row_pitch = surf->row_pitch, + .usage = usage, + .tiling_flags = (1 << surf->tiling)); + assert(ok); +} + +void isl_tiling_get_intratile_offset_el(enum isl_tiling tiling, uint32_t bpb, uint32_t row_pitch, diff --git a/src/intel/isl/isl.h b/src/intel/isl/isl.h index 1e5b8689542..dafe952298e 100644 --- a/src/intel/isl/isl.h +++ b/src/intel/isl/isl.h @@ -1842,6 +1842,29 @@ isl_surf_get_image_offset_B_tile_sa(const struct isl_surf *surf, uint32_t *y_offset_sa); /** + * Create an isl_surf that represents a particular subimage in the surface. + * + * The newly created surface will have a single miplevel and array slice. The + * surface lives at the returned byte and intratile offsets, in samples. + * + * It is safe to call this function with surf == image_surf. + * + * @invariant level < surface levels + * @invariant logical_array_layer < logical array length of surface + * @invariant logical_z_offset_px < logical depth of surface at level + */ +void +isl_surf_get_image_surf(const struct isl_device *dev, + const struct isl_surf *surf, + uint32_t level, + uint32_t logical_array_layer, + uint32_t logical_z_offset_px, + struct isl_surf *image_surf, + uint32_t *offset_B, + uint32_t *x_offset_sa, + uint32_t *y_offset_sa); + +/** * @brief Calculate the intratile offsets to a surface. * * In @a base_address_offset return the offset from the base of the surface to |