diff options
Diffstat (limited to 'src/intel/isl/isl.c')
| -rw-r--r-- | src/intel/isl/isl.c | 52 |
1 files changed, 25 insertions, 27 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index e745548be2a..022b06c1a62 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -933,21 +933,21 @@ isl_calc_row_pitch(const struct isl_device *dev, } /** - * Calculate the surface's total height, including padding, in units of - * surface elements. + * Calculate and apply any padding required for the surface. + * + * @param[inout] total_h_el is updated with the new height + * @param[out] pad_bytes is overwritten with additional padding requirements. */ -static uint32_t -isl_calc_total_height_el(const struct isl_device *dev, - const struct isl_surf_init_info *restrict info, - const struct isl_tile_info *tile_info, - uint32_t phys_array_len, - uint32_t row_pitch, - uint32_t array_pitch_el_rows) +static void +isl_apply_surface_padding(const struct isl_device *dev, + const struct isl_surf_init_info *restrict info, + const struct isl_tile_info *tile_info, + uint32_t *total_h_el, + uint32_t *pad_bytes) { const struct isl_format_layout *fmtl = isl_format_get_layout(info->format); - uint32_t total_h_el = phys_array_len * array_pitch_el_rows; - uint32_t pad_bytes = 0; + *pad_bytes = 0; /* From the Broadwell PRM >> Volume 5: Memory Views >> Common Surface * Formats >> Surface Padding Requirements >> Render Target and Media @@ -981,14 +981,14 @@ isl_calc_total_height_el(const struct isl_device *dev, * is to an even compressed row. */ if (isl_format_is_compressed(info->format)) - total_h_el = isl_align(total_h_el, 2); + *total_h_el = isl_align(*total_h_el, 2); /* * - For cube surfaces, an additional two rows of padding are required * at the bottom of the surface. */ if (info->usage & ISL_SURF_USAGE_CUBE_BIT) - total_h_el += 2; + *total_h_el += 2; /* * - For packed YUV, 96 bpt, 48 bpt, and 24 bpt surface formats, @@ -998,8 +998,8 @@ isl_calc_total_height_el(const struct isl_device *dev, */ if (isl_format_is_yuv(info->format) && (fmtl->bs == 96 || fmtl->bs == 48|| fmtl->bs == 24)) { - total_h_el += 1; - pad_bytes += 16; + *total_h_el += 1; + *pad_bytes += 16; } /* @@ -1008,7 +1008,7 @@ isl_calc_total_height_el(const struct isl_device *dev, * required above. */ if (tile_info->tiling == ISL_TILING_LINEAR) - pad_bytes += 64; + *pad_bytes += 64; /* The below text weakens, not strengthens, the padding requirements for * linear surfaces. Therefore we can safely ignore it. @@ -1028,7 +1028,7 @@ isl_calc_total_height_el(const struct isl_device *dev, if (ISL_DEV_GEN(dev) >= 9 && tile_info->tiling == ISL_TILING_LINEAR && (info->dim == ISL_SURF_DIM_2D || info->dim == ISL_SURF_DIM_3D)) { - total_h_el = isl_align(total_h_el, 4); + *total_h_el = isl_align(*total_h_el, 4); } /* @@ -1038,13 +1038,8 @@ isl_calc_total_height_el(const struct isl_device *dev, if (ISL_DEV_GEN(dev) >= 9 && tile_info->tiling == ISL_TILING_LINEAR && info->dim == ISL_SURF_DIM_1D) { - total_h_el += 4; + *total_h_el += 4; } - - /* Be sloppy. Align any leftover padding to a row boundary. */ - total_h_el += isl_align_div_npot(pad_bytes, row_pitch); - - return total_h_el; } bool @@ -1108,10 +1103,13 @@ isl_surf_init_s(const struct isl_device *dev, array_pitch_span, &image_align_sa, &phys_level0_sa, &phys_slice0_sa); - const uint32_t total_h_el = - isl_calc_total_height_el(dev, info, &tile_info, - phys_level0_sa.array_len, row_pitch, - array_pitch_el_rows); + uint32_t total_h_el = phys_level0_sa.array_len * array_pitch_el_rows; + + uint32_t pad_bytes; + isl_apply_surface_padding(dev, info, &tile_info, &total_h_el, &pad_bytes); + + /* Be sloppy. Align any leftover padding to a row boundary. */ + total_h_el += isl_align_div_npot(pad_bytes, row_pitch); const uint32_t size = row_pitch * isl_align(total_h_el, tile_info.height); |