diff options
Diffstat (limited to 'src/intel')
| -rw-r--r-- | src/intel/compiler/brw_nir.c | 56 |
1 files changed, 26 insertions, 30 deletions
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c index 1bd6d02aaef..f5b66121176 100644 --- a/src/intel/compiler/brw_nir.c +++ b/src/intel/compiler/brw_nir.c @@ -97,30 +97,6 @@ add_const_offset_to_base(nir_shader *nir, nir_variable_mode mode) } static bool -remap_vs_attrs(nir_block *block, shader_info *nir_info) -{ - nir_foreach_instr(instr, block) { - if (instr->type != nir_instr_type_intrinsic) - continue; - - nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr); - - if (intrin->intrinsic == nir_intrinsic_load_input) { - /* Attributes come in a contiguous block, ordered by their - * gl_vert_attrib value. That means we can compute the slot - * number for an attribute by masking out the enabled attributes - * before it and counting the bits. - */ - int attr = intrin->const_index[0]; - int slot = _mesa_bitcount_64(nir_info->inputs_read & - BITFIELD64_MASK(attr)); - intrin->const_index[0] = 4 * slot; - } - } - return true; -} - -static bool remap_inputs_with_vue_map(nir_block *block, const struct brw_vue_map *vue_map) { nir_foreach_instr(instr, block) { @@ -277,13 +253,33 @@ brw_nir_lower_vs_inputs(nir_shader *nir, brw_nir_apply_attribute_workarounds(nir, use_legacy_snorm_formula, vs_attrib_wa_flags); - if (is_scalar) { - /* Finally, translate VERT_ATTRIB_* values into the actual registers. */ + /* The last step is to remap VERT_ATTRIB_* to actual registers and we only + * do that for scalar shaders at the moment. + */ + if (!is_scalar) + return; - nir_foreach_function(function, nir) { - if (function->impl) { - nir_foreach_block(block, function->impl) { - remap_vs_attrs(block, &nir->info); + nir_foreach_function(function, nir) { + if (!function->impl) + continue; + + nir_foreach_block(block, function->impl) { + nir_foreach_instr(instr, block) { + if (instr->type != nir_instr_type_intrinsic) + continue; + + nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr); + + if (intrin->intrinsic == nir_intrinsic_load_input) { + /* Attributes come in a contiguous block, ordered by their + * gl_vert_attrib value. That means we can compute the slot + * number for an attribute by masking out the enabled attributes + * before it and counting the bits. + */ + int attr = nir_intrinsic_base(intrin); + int slot = _mesa_bitcount_64(nir->info.inputs_read & + BITFIELD64_MASK(attr)); + nir_intrinsic_set_base(intrin, 4 * slot); } } } |