From 0af77fe5b6d0201be564f98e58e7f62cd55cc05e Mon Sep 17 00:00:00 2001 From: Chad Versace Date: Thu, 7 Jan 2016 10:58:29 -0800 Subject: isl: Refactor func isl_calc_array_pitch_sa_rows Update the function to calculate the array pitch is *element rows*, and it rename it accordingly to isl_calc_array_pitch_el_rows. --- src/isl/isl.c | 37 +++++++++++++++++++------------------ 1 file changed, 19 insertions(+), 18 deletions(-) (limited to 'src/isl/isl.c') diff --git a/src/isl/isl.c b/src/isl/isl.c index edc540b7ad2..67e2ff6fae9 100644 --- a/src/isl/isl.c +++ b/src/isl/isl.c @@ -710,11 +710,12 @@ isl_calc_phys_slice0_extent_sa(const struct isl_device *dev, /** * Calculate the pitch between physical array slices, in units of rows of - * surface samples. The result is aligned to \a image_align_sa. + * surface elements. */ static uint32_t -isl_calc_array_pitch_sa_rows(const struct isl_device *dev, +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, @@ -722,15 +723,17 @@ isl_calc_array_pitch_sa_rows(const struct isl_device *dev, 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 */ - return 1; + pitch_sa_rows = 1; + break; case ISL_DIM_LAYOUT_GEN4_2D: switch (array_pitch_span) { case ISL_ARRAY_PITCH_SPAN_COMPACT: - return isl_align_npot(phys_slice0_sa->h, image_align_sa->h); + pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h); 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 @@ -750,7 +753,7 @@ isl_calc_array_pitch_sa_rows(const struct isl_device *dev, m = 11; } - uint32_t pitch_sa_rows = h0_sa + h1_sa + (m * image_align_sa->h); + 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)) { @@ -768,20 +771,21 @@ isl_calc_array_pitch_sa_rows(const struct isl_device *dev, } pitch_sa_rows = isl_align_npot(pitch_sa_rows, fmtl->bh); - - return pitch_sa_rows; } /* end case */ break; } break; - case ISL_DIM_LAYOUT_GEN4_3D: assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT); - return isl_align_npot(phys_slice0_sa->h, image_align_sa->h); + pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h); + break; + default: + unreachable("bad isl_dim_layout"); + break; } - unreachable("bad isl_dim_layout"); - return 0; + assert(pitch_sa_rows % fmtl->bh == 0); + return pitch_sa_rows / fmtl->bh; } /** @@ -1054,13 +1058,10 @@ isl_surf_init_s(const struct isl_device *dev, &image_align_sa, &phys_slice0_sa); - const uint32_t array_pitch_sa_rows = - isl_calc_array_pitch_sa_rows(dev, info, dim_layout, array_pitch_span, - &image_align_sa, &phys_level0_sa, - &phys_slice0_sa); - assert(array_pitch_sa_rows % fmtl->bh == 0); - - const uint32_t array_pitch_el_rows = array_pitch_sa_rows / fmtl->bh; + 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); const uint32_t total_h_el = isl_calc_total_height_el(dev, info, &tile_info, -- cgit v1.2.3