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ttn: Update shader->info as we generate code.

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We could use the nir_shader_gather_info() pass to update it after the
fact, but this is what glsl_to_nir and prog_to_nir do.

Reviewed-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Eric Anholt 2016-07-19 10:55:47 -07:00
parent 7b9a0f4e38
commit 4d0b2c7aaa
1 changed files with 13 additions and 0 deletions
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13
src/gallium/auxiliary/nir/tgsi_to_nir.c
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@ -364,6 +364,10 @@ ttn_emit_declaration(struct ttn_compile *c)
}
exec_list_push_tail(&b->shader->inputs, &var->node);
for (int i = 0; i < array_size; i++)
b->shader->info.inputs_read |= 1 << (var->data.location + i);
break;
case TGSI_FILE_OUTPUT: {
int semantic_name = decl->Semantic.Name;
@ -426,6 +430,9 @@ ttn_emit_declaration(struct ttn_compile *c)
}
exec_list_push_tail(&b->shader->outputs, &var->node);
for (int i = 0; i < array_size; i++)
b->shader->info.outputs_written |= 1 << (var->data.location + i);
}
break;
case TGSI_FILE_CONSTANT:
@ -571,6 +578,10 @@ ttn_src_for_file_and_index(struct ttn_compile *c, unsigned file, unsigned index,
nir_builder_instr_insert(b, &load->instr);
src = nir_src_for_ssa(&load->dest.ssa);
b->shader->info.system_values_read |=
(1 << nir_system_value_from_intrinsic(op));
break;
}
@ -1036,6 +1047,7 @@ ttn_kill(nir_builder *b, nir_op op, nir_alu_dest dest, nir_ssa_def **src)
nir_intrinsic_instr *discard =
nir_intrinsic_instr_create(b->shader, nir_intrinsic_discard);
nir_builder_instr_insert(b, &discard->instr);
b->shader->info.fs.uses_discard = true;
}
static void
@ -1048,6 +1060,7 @@ ttn_kill_if(nir_builder *b, nir_op op, nir_alu_dest dest, nir_ssa_def **src)
nir_intrinsic_instr_create(b->shader, nir_intrinsic_discard_if);
discard->src[0] = nir_src_for_ssa(cmp);
nir_builder_instr_insert(b, &discard->instr);
b->shader->info.fs.uses_discard = true;
}
static void