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brw: use the new lower_txd_cb

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Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Alyssa Anne Rosenzweig <alyssa.rosenzweig@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37692>
This commit is contained in:
Lionel Landwerlin 2025-09-12 15:19:22 +03:00 • committed by Marge Bot
parent 97dde5bc10
commit bc8251673d
1 changed files with 50 additions and 8 deletions
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58
src/intel/compiler/brw_nir.c
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@ -2115,6 +2115,54 @@ nir_shader_has_local_variables(const nir_shader *nir)
return false;
}
static bool
lower_txd_cb(const nir_tex_instr *tex, const void *data)
{
const struct intel_device_info *devinfo = data;
int min_lod_index = nir_tex_instr_src_index(tex, nir_tex_src_min_lod);
if (tex->is_shadow && min_lod_index >= 0)
return true;
int offset_index = nir_tex_instr_src_index(tex, nir_tex_src_offset);
if (tex->is_shadow && offset_index >= 0 && min_lod_index >= 0)
return true;
/* Cases that require a sampler header and the payload is already too large
* for the HW to handle.
*/
const int sampler_offset_idx =
nir_tex_instr_src_index(tex, nir_tex_src_sampler_offset);
if (min_lod_index >= 0 && sampler_offset_idx >= 0) {
if (!nir_src_is_const(tex->src[sampler_offset_idx].src) ||
(nir_src_is_const(tex->src[sampler_offset_idx].src) &&
(tex->sampler_index +
nir_src_as_uint(tex->src[sampler_offset_idx].src)) >= 16))
return true;
}
const int sampler_handle_idx =
nir_tex_instr_src_index(tex, nir_tex_src_sampler_handle);
if (sampler_handle_idx >= 0 && min_lod_index >= 0)
return true;
if (tex->sampler_dim == GLSL_SAMPLER_DIM_CUBE)
return true;
if (devinfo->verx10 >= 125) {
/* For below, See bspec 45942, "Enable new message layout for cube
* array"
*/
if (tex->sampler_dim == GLSL_SAMPLER_DIM_3D)
return true;
if (tex->is_array)
return true;
}
return false;
}
/* Prepare the given shader for codegen
*
* This function is intended to be called right before going into the actual
@ -2132,21 +2180,15 @@ brw_postprocess_nir_opts(nir_shader *nir, const struct brw_compiler *compiler,
.lower_txp = ~0,
.lower_txf_offset = true,
.lower_rect_offset = true,
.lower_txd_cube_map = true,
/* For below, See bspec 45942, "Enable new message layout for cube array" */
.lower_txd_3d = devinfo->verx10 >= 125,
.lower_txd_array = devinfo->verx10 >= 125,
.lower_txb_shadow_clamp = true,
.lower_txd_shadow_clamp = true,
.lower_txd_offset_clamp = true,
.lower_tg4_offsets = true,
.lower_txs_lod = true, /* Wa_14012320009 */
.lower_offset_filter =
devinfo->verx10 >= 125 ? lower_xehp_tg4_offset_filter : NULL,
.lower_txd_clamp_bindless_sampler = true,
.lower_txd_clamp_if_sampler_index_not_lt_16 = true,
.lower_invalid_implicit_lod = true,
.lower_index_to_offset = true,
.lower_txd_cb = lower_txd_cb,
.lower_txd_data = devinfo,
};
/* In the case where TG4 coords are lowered to offsets and we have a