diff options
Diffstat (limited to 'src/intel/isl')
| -rw-r--r-- | src/intel/isl/isl.c | 93 |
1 files changed, 46 insertions, 47 deletions
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c index b573f0d9973..2ead3991530 100644 --- a/src/intel/isl/isl.c +++ b/src/intel/isl/isl.c @@ -729,62 +729,61 @@ isl_calc_array_pitch_el_rows(const struct isl_device *dev, uint32_t pitch_sa_rows = 0; switch (dim_layout) { + case ISL_DIM_LAYOUT_GEN4_2D: + break; /* Handled below */ case ISL_DIM_LAYOUT_GEN9_1D: /* Each row is an array slice */ - pitch_sa_rows = 1; + return 1; + 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); + default: + unreachable("bad isl_dim_layout"); break; - case ISL_DIM_LAYOUT_GEN4_2D: - switch (array_pitch_span) { - case ISL_ARRAY_PITCH_SPAN_COMPACT: - pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h); - break; - 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 - * Surfaces >> Surface Arrays. - */ - uint32_t H0_sa = phys_level0_sa->h; - uint32_t H1_sa = isl_minify(H0_sa, 1); + } - uint32_t h0_sa = isl_align_npot(H0_sa, image_align_sa->h); - uint32_t h1_sa = isl_align_npot(H1_sa, image_align_sa->h); + switch (array_pitch_span) { + case ISL_ARRAY_PITCH_SPAN_COMPACT: + pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h); + break; + 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 + * Surfaces >> Surface Arrays. + */ + uint32_t H0_sa = phys_level0_sa->h; + uint32_t H1_sa = isl_minify(H0_sa, 1); - uint32_t m; - if (ISL_DEV_GEN(dev) >= 7) { - /* The QPitch equation changed slightly in Ivybridge. */ - m = 12; - } else { - m = 11; - } + uint32_t h0_sa = isl_align_npot(H0_sa, image_align_sa->h); + uint32_t h1_sa = isl_align_npot(H1_sa, image_align_sa->h); - pitch_sa_rows = h0_sa + h1_sa + (m * image_align_sa->h); + uint32_t m; + if (ISL_DEV_GEN(dev) >= 7) { + /* The QPitch equation changed slightly in Ivybridge. */ + m = 12; + } else { + m = 11; + } - if (ISL_DEV_GEN(dev) == 6 && info->samples > 1 && - (info->height % 4 == 1)) { - /* [SNB] Errata from the Sandy Bridge PRM >> Volume 4 Part 1: - * Graphics Core >> Section 7.18.3.7: Surface Arrays: - * - * [SNB] Errata: Sampler MSAA Qpitch will be 4 greater than - * the value calculated in the equation above , for every - * other odd Surface Height starting from 1 i.e. 1,5,9,13. - * - * XXX(chadv): Is the errata natural corollary of the physical - * layout of interleaved samples? - */ - pitch_sa_rows += 4; - } + pitch_sa_rows = h0_sa + h1_sa + (m * image_align_sa->h); - pitch_sa_rows = isl_align_npot(pitch_sa_rows, fmtl->bh); - } /* end case */ - break; + if (ISL_DEV_GEN(dev) == 6 && info->samples > 1 && + (info->height % 4 == 1)) { + /* [SNB] Errata from the Sandy Bridge PRM >> Volume 4 Part 1: + * Graphics Core >> Section 7.18.3.7: Surface Arrays: + * + * [SNB] Errata: Sampler MSAA Qpitch will be 4 greater than + * the value calculated in the equation above , for every + * other odd Surface Height starting from 1 i.e. 1,5,9,13. + * + * XXX(chadv): Is the errata natural corollary of the physical + * layout of interleaved samples? + */ + pitch_sa_rows += 4; } - break; - case ISL_DIM_LAYOUT_GEN4_3D: - assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT); - pitch_sa_rows = isl_align_npot(phys_slice0_sa->h, image_align_sa->h); - break; - default: - unreachable("bad isl_dim_layout"); + + pitch_sa_rows = isl_align_npot(pitch_sa_rows, fmtl->bh); + } /* end case */ break; } |