[Mesa-dev] [PATCH 05/21] intel/isl: Use a 4D physical total extent for size calculations
Jason Ekstrand
jason at jlekstrand.net
Tue Feb 27 19:48:51 UTC 2018
On Tue, Feb 27, 2018 at 4:33 AM, Pohjolainen, Topi <
topi.pohjolainen at gmail.com> wrote:
> On Thu, Feb 22, 2018 at 11:06:45PM -0800, Jason Ekstrand wrote:
> > With Yf and Ys tiling, everything is actually four dimensional because
> > we can have multiple depth or multisampled array slices in the same
> > tile. This commit just enhances the calculations so they can handle it.
> > ---
> > src/intel/isl/isl.c | 71 ++++++++++++++++++++++++++++++
> +++++++++--------------
> > 1 file changed, 53 insertions(+), 18 deletions(-)
> >
> > diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
> > index 5bdc726..46aff46 100644
> > --- a/src/intel/isl/isl.c
> > +++ b/src/intel/isl/isl.c
> > @@ -988,7 +988,7 @@ isl_calc_phys_total_extent_el_gen4_2d(
> > const struct isl_extent4d *phys_level0_sa,
> > enum isl_array_pitch_span array_pitch_span,
> > uint32_t *array_pitch_el_rows,
> > - struct isl_extent2d *total_extent_el)
> > + struct isl_extent4d *phys_total_el)
> > {
> > const struct isl_format_layout *fmtl = isl_format_get_layout(info->
> format);
> >
> > @@ -1001,10 +1001,12 @@ isl_calc_phys_total_extent_el_gen4_2d(
> > image_align_sa,
> phys_level0_sa,
> > array_pitch_span,
> > &phys_slice0_sa);
> > - *total_extent_el = (struct isl_extent2d) {
> > + *phys_total_el = (struct isl_extent4d) {
> > .w = isl_assert_div(phys_slice0_sa.w, fmtl->bw),
> > .h = *array_pitch_el_rows * (phys_level0_sa->array_len - 1) +
> > isl_assert_div(phys_slice0_sa.h, fmtl->bh),
> > + .d = 1,
> > + .a = 1,
> > };
> > }
> >
> > @@ -1019,7 +1021,7 @@ isl_calc_phys_total_extent_el_gen4_3d(
> > const struct isl_extent3d *image_align_sa,
> > const struct isl_extent4d *phys_level0_sa,
> > uint32_t *array_pitch_el_rows,
> > - struct isl_extent2d *phys_total_el)
> > + struct isl_extent4d *phys_total_el)
> > {
> > const struct isl_format_layout *fmtl = isl_format_get_layout(info->
> format);
> >
> > @@ -1066,9 +1068,11 @@ isl_calc_phys_total_extent_el_gen4_3d(
> > */
> > *array_pitch_el_rows =
> > isl_align_npot(phys_level0_sa->h, image_align_sa->h) / fmtl->bw;
> > - *phys_total_el = (struct isl_extent2d) {
> > + *phys_total_el = (struct isl_extent4d) {
> > .w = isl_assert_div(total_w, fmtl->bw),
> > .h = isl_assert_div(total_h, fmtl->bh),
> > + .d = 1,
> > + .a = 1,
> > };
> > }
> >
> > @@ -1084,7 +1088,7 @@ isl_calc_phys_total_extent_el_gen6_stencil_hiz(
> > const struct isl_extent3d *image_align_sa,
> > const struct isl_extent4d *phys_level0_sa,
> > uint32_t *array_pitch_el_rows,
> > - struct isl_extent2d *phys_total_el)
> > + struct isl_extent4d *phys_total_el)
> > {
> > const struct isl_format_layout *fmtl = isl_format_get_layout(info->
> format);
> >
> > @@ -1127,9 +1131,11 @@ isl_calc_phys_total_extent_el_gen6_stencil_hiz(
> >
> > *array_pitch_el_rows =
> > isl_assert_div(isl_align(H0, image_align_sa->h), fmtl->bh);
> > - *phys_total_el = (struct isl_extent2d) {
> > + *phys_total_el = (struct isl_extent4d) {
> > .w = isl_assert_div(MAX(total_top_w, total_bottom_w), fmtl->bw),
> > .h = isl_assert_div(total_h, fmtl->bh),
> > + .d = 1,
> > + .a = 1,
> > };
> > }
> >
> > @@ -1144,7 +1150,7 @@ isl_calc_phys_total_extent_el_gen9_1d(
> > const struct isl_extent3d *image_align_sa,
> > const struct isl_extent4d *phys_level0_sa,
> > uint32_t *array_pitch_el_rows,
> > - struct isl_extent2d *phys_total_el)
> > + struct isl_extent4d *phys_total_el)
> > {
> > MAYBE_UNUSED const struct isl_format_layout *fmtl =
> isl_format_get_layout(info->format);
> >
> > @@ -1164,9 +1170,11 @@ isl_calc_phys_total_extent_el_gen9_1d(
> > }
> >
> > *array_pitch_el_rows = 1;
> > - *phys_total_el = (struct isl_extent2d) {
> > + *phys_total_el = (struct isl_extent4d) {
> > .w = isl_assert_div(slice_w, fmtl->bw),
> > .h = phys_level0_sa->array_len,
> > + .d = 1,
> > + .a = 1,
> > };
> > }
> >
> > @@ -1184,7 +1192,7 @@ isl_calc_phys_total_extent_el(const struct
> isl_device *dev,
> > const struct isl_extent4d *phys_level0_sa,
> > enum isl_array_pitch_span
> array_pitch_span,
> > uint32_t *array_pitch_el_rows,
> > - struct isl_extent2d *total_extent_el)
> > + struct isl_extent4d *phys_total_el)
> > {
> > switch (dim_layout) {
> > case ISL_DIM_LAYOUT_GEN9_1D:
> > @@ -1192,14 +1200,14 @@ isl_calc_phys_total_extent_el(const struct
> isl_device *dev,
> > isl_calc_phys_total_extent_el_gen9_1d(dev, info,
> > image_align_sa,
> phys_level0_sa,
> > array_pitch_el_rows,
> > - total_extent_el);
> > + phys_total_el);
> > return;
> > case ISL_DIM_LAYOUT_GEN4_2D:
> > isl_calc_phys_total_extent_el_gen4_2d(dev, info, tile_info,
> msaa_layout,
> > image_align_sa,
> phys_level0_sa,
> > array_pitch_span,
> > array_pitch_el_rows,
> > - total_extent_el);
> > + phys_total_el);
> > return;
> > case ISL_DIM_LAYOUT_GEN6_STENCIL_HIZ:
> > assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT);
> > @@ -1207,14 +1215,14 @@ isl_calc_phys_total_extent_el(const struct
> isl_device *dev,
> > image_align_sa,
> > phys_level0_sa,
> >
> array_pitch_el_rows,
> > - total_extent_el);
> > + phys_total_el);
> > return;
> > case ISL_DIM_LAYOUT_GEN4_3D:
> > assert(array_pitch_span == ISL_ARRAY_PITCH_SPAN_COMPACT);
> > isl_calc_phys_total_extent_el_gen4_3d(dev, info,
> > image_align_sa,
> phys_level0_sa,
> > array_pitch_el_rows,
> > - total_extent_el);
> > + phys_total_el);
> > return;
> > }
> > }
> > @@ -1257,7 +1265,7 @@ isl_calc_row_pitch_alignment(const struct
> isl_surf_init_info *surf_info,
> > static uint32_t
> > isl_calc_linear_min_row_pitch(const struct isl_device *dev,
> > const struct isl_surf_init_info *info,
> > - const struct isl_extent2d *phys_total_el,
> > + const struct isl_extent4d *phys_total_el,
> > uint32_t alignment)
> > {
> > const struct isl_format_layout *fmtl = isl_format_get_layout(info->
> format);
> > @@ -1270,7 +1278,7 @@ static uint32_t
> > isl_calc_tiled_min_row_pitch(const struct isl_device *dev,
> > const struct isl_surf_init_info *surf_info,
> > const struct isl_tile_info *tile_info,
> > - const struct isl_extent2d *phys_total_el,
> > + const struct isl_extent4d *phys_total_el,
> > uint32_t alignment)
> > {
> > const struct isl_format_layout *fmtl = isl_format_get_layout(surf_
> info->format);
> > @@ -1290,7 +1298,7 @@ static uint32_t
> > isl_calc_min_row_pitch(const struct isl_device *dev,
> > const struct isl_surf_init_info *surf_info,
> > const struct isl_tile_info *tile_info,
> > - const struct isl_extent2d *phys_total_el,
> > + const struct isl_extent4d *phys_total_el,
> > uint32_t alignment)
> > {
> > if (tile_info->tiling == ISL_TILING_LINEAR) {
> > @@ -1323,7 +1331,7 @@ isl_calc_row_pitch(const struct isl_device *dev,
> > const struct isl_surf_init_info *surf_info,
> > const struct isl_tile_info *tile_info,
> > enum isl_dim_layout dim_layout,
> > - const struct isl_extent2d *phys_total_el,
> > + const struct isl_extent4d *phys_total_el,
> > uint32_t *out_row_pitch)
> > {
> > uint32_t alignment =
> > @@ -1446,7 +1454,7 @@ isl_surf_init_s(const struct isl_device *dev,
> > isl_choose_array_pitch_span(dev, info, dim_layout,
> &phys_level0_sa);
> >
> > uint32_t array_pitch_el_rows;
> > - struct isl_extent2d phys_total_el;
> > + struct isl_extent4d phys_total_el;
> > isl_calc_phys_total_extent_el(dev, info, &tile_info,
> > dim_layout, msaa_layout,
> > &image_align_sa, &phys_level0_sa,
> > @@ -1461,6 +1469,9 @@ isl_surf_init_s(const struct isl_device *dev,
> > uint32_t base_alignment;
> > uint64_t size;
> > if (tiling == ISL_TILING_LINEAR) {
> > + /* LINEAR tiling has no concept of intra-tile arrays */
> > + assert(phys_total_el.d == 1 && phys_total_el.a == 1);
> > +
> > size = (uint64_t) row_pitch * phys_total_el.h;
> >
> > /* From the Broadwell PRM Vol 2d, RENDER_SURFACE_STATE::
> SurfaceBaseAddress:
> > @@ -1482,7 +1493,31 @@ isl_surf_init_s(const struct isl_device *dev,
> > }
> > base_alignment = isl_round_up_to_power_of_two(base_alignment);
> > } else {
> > + /* Pitches must make sense with the tiling */
> > + assert(row_pitch % tile_info.phys_extent_B.width == 0);
> > + assert(array_pitch_el_rows % tile_info.logical_extent_el.d == 0);
> > + assert(array_pitch_el_rows % tile_info.logical_extent_el.a == 0);
> > +
> > + uint32_t array_slices;
> > + if (phys_total_el.d > 1) {
> > + assert(phys_total_el.a == 1);
> > + array_slices = isl_align_div(phys_total_el.d,
> > + tile_info.logical_extent_el.d);
> > + } else if (phys_total_el.a > 1) {
> > + assert(phys_total_el.d == 1);
> > + array_slices = isl_align_div(phys_total_el.a,
> > + tile_info.logical_extent_el.a);
> > + } else {
> > + assert(phys_total_el.d == 1 && phys_total_el.a == 1);
> > + array_slices = 1;
> > + }
> > +
> > + uint32_t array_pitch_tl_rows =
> > + array_pitch_el_rows / MAX2(tile_info.logical_extent_el.d,
> > + tile_info.logical_extent_el.a);
> > +
> > const uint32_t total_h_tl =
> > + (array_slices - 1) * array_pitch_tl_rows +
>
> I probably need to read further to understand the subtraction of one, and
> why
> we use "array_slices == 1" for the case where "phys_total_el.d == 1 &&
> phys_total_el.a == 1".
It's because the array stride is used to get us to the last slice and the
bit below with phys_total_el.h is used to get us to the toal height. This
lets us avoid aligning the total height to the array stride in the case
where it's overly large.
> Patches 1-4 are:
>
> Reviewed-by: Topi Pohjolainen <topi.pohjolainen at intel.com>
>
Thanks!
> > isl_align_div(phys_total_el.h, tile_info.logical_extent_el.
> height);
> >
> > size = (uint64_t) total_h_tl * tile_info.phys_extent_B.height *
> row_pitch;
> > --
> > 2.5.0.400.gff86faf
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/mesa-dev
>
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