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radeonsi: cull against cull distances in the shader and don't export them

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Acked-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/35529>
This commit is contained in:
Marek Olšák 2025-05-30 06:41:14 -04:00 • committed by Marge Bot
parent 5b5addd9e9
commit d3c1c638c4
1 changed files with 7 additions and 1 deletions
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8
src/gallium/drivers/radeonsi/si_shader.c
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@ -1122,15 +1122,21 @@ static void si_lower_ngg(struct si_shader *shader, nir_shader *nir,
.vs_output_param_offset = temp_info->vs_output_param_offset,
.has_param_exports = shader->info.nr_param_exports,
.export_clipdist_mask = shader->info.clipdist_mask | shader->info.culldist_mask,
.cull_clipdist_mask = si_shader_culling_enabled(shader) ?
SI_NGG_CULL_GET_CLIP_PLANE_ENABLE(key->ge.opt.ngg_culling) |
shader->info.culldist_mask : 0,
.dont_export_cull_distances = si_shader_culling_enabled(shader),
.write_pos_to_clipvertex = shader->key.ge.mono.write_pos_to_clipvertex,
.pack_clip_cull_distances = true,
.cull_clipdist_mask = SI_NGG_CULL_GET_CLIP_PLANE_ENABLE(key->ge.opt.ngg_culling),
.force_vrs = sel->screen->options.vrs2x2,
.use_gfx12_xfb_intrinsic = !nir->info.use_aco_amd,
.skip_viewport_state_culling = sel->info.writes_viewport_index,
.use_point_tri_intersection = sel->screen->info.num_cu / sel->screen->info.num_se >= 12,
};
if (options.dont_export_cull_distances)
shader->info.culldist_mask = 0;
if (nir->info.stage == MESA_SHADER_VERTEX ||
nir->info.stage == MESA_SHADER_TESS_EVAL) {
/* Per instance inputs, used to remove instance load after culling. */