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nir: Preserve offsets in lower_io_to_scalar_early

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Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
This commit is contained in:
Jason Ekstrand 2018-09-14 15:54:19 -05:00
parent b2bbd978d0
commit 96fa23bca5
1 changed files with 8 additions and 0 deletions
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8
src/compiler/nir/nir_lower_io_to_scalar.c
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@ -192,6 +192,10 @@ lower_load_to_scalar_early(nir_builder *b, nir_intrinsic_instr *intr,
chan_var = nir_variable_clone(var, b->shader);
chan_var->data.location_frac = var->data.location_frac + i;
chan_var->type = glsl_channel_type(chan_var->type);
if (var->data.explicit_offset) {
unsigned comp_size = glsl_get_bit_size(chan_var->type) / 8;
chan_var->data.offset = var->data.offset + i * comp_size;
}
chan_vars[var->data.location_frac + i] = chan_var;
@ -246,6 +250,10 @@ lower_store_output_to_scalar_early(nir_builder *b, nir_intrinsic_instr *intr,
chan_var = nir_variable_clone(var, b->shader);
chan_var->data.location_frac = var->data.location_frac + i;
chan_var->type = glsl_channel_type(chan_var->type);
if (var->data.explicit_offset) {
unsigned comp_size = glsl_get_bit_size(chan_var->type) / 8;
chan_var->data.offset = var->data.offset + i * comp_size;
}
chan_vars[var->data.location_frac + i] = chan_var;