glsl: Convert output read lowering to the util hash table

Signed-off-by: Thomas Helland <thomashelland90@gmail.com>
Reviewed-by: Timothy Arceri <timothy.arceri@collabora.com>
This commit is contained in:
Thomas Helland 2016-08-16 22:10:31 +02:00 committed by Timothy Arceri
parent 6adcc8f283
commit 9efa977be5

View file

@ -23,7 +23,7 @@
*/
#include "ir.h"
#include "program/hash_table.h"
#include "util/hash_table.h"
/**
* \file lower_output_reads.cpp
@ -74,20 +74,20 @@ static unsigned
hash_table_var_hash(const void *key)
{
const ir_variable * var = static_cast<const ir_variable *>(key);
return hash_table_string_hash(var->name);
return _mesa_key_hash_string(var->name);
}
output_read_remover::output_read_remover(unsigned stage)
{
this->stage = stage;
mem_ctx = ralloc_context(NULL);
replacements =
hash_table_ctor(0, hash_table_var_hash, hash_table_pointer_compare);
replacements = _mesa_hash_table_create(NULL, hash_table_var_hash,
_mesa_key_pointer_equal);
}
output_read_remover::~output_read_remover()
{
hash_table_dtor(replacements);
_mesa_hash_table_destroy(replacements, NULL);
ralloc_free(mem_ctx);
}
@ -99,14 +99,15 @@ output_read_remover::visit(ir_dereference_variable *ir)
if (stage == MESA_SHADER_TESS_CTRL)
return visit_continue;
ir_variable *temp = (ir_variable *) hash_table_find(replacements, ir->var);
hash_entry *entry = _mesa_hash_table_search(replacements, ir->var);
ir_variable *temp = entry ? (ir_variable *) entry->data : NULL;
/* If we don't have an existing temporary, create one. */
if (temp == NULL) {
void *var_ctx = ralloc_parent(ir->var);
temp = new(var_ctx) ir_variable(ir->var->type, ir->var->name,
ir_var_temporary);
hash_table_insert(replacements, temp, ir->var);
_mesa_hash_table_insert(replacements, ir->var, temp);
ir->var->insert_after(temp);
}
@ -156,7 +157,7 @@ ir_visitor_status
output_read_remover::visit_leave(ir_emit_vertex *ir)
{
hash_table_call_foreach(replacements, emit_return_copy, ir);
hash_table_clear(replacements);
_mesa_hash_table_clear(replacements, NULL);
return visit_continue;
}