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glsl: Make mat_op_to_vec allocate out of the IR's parent.

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This will reduce memory consumption of compiled shaders by not
dragging optimized-out children around.
This commit is contained in:
Eric Anholt
2010-08-27 15:32:59 -07:00
parent d17faf726e
commit 3c96ef1f07
1 changed files with 36 additions and 32 deletions
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68
src/glsl/ir_mat_op_to_vec.cpp
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@@ -40,6 +40,7 @@ public:
ir_mat_op_to_vec_visitor()
{
this->made_progress = false;
this->mem_ctx = NULL;
}
ir_visitor_status visit_leave(ir_assignment *);
@@ -56,6 +57,7 @@ public:
void do_mul_mat_scalar(ir_variable *result_var,
ir_variable *a_var, ir_variable *b_var);
void *mem_ctx;
bool made_progress;
};
@@ -97,16 +99,16 @@ ir_mat_op_to_vec_visitor::get_element(ir_variable *var, int col, int row)
{
ir_dereference *deref;
deref = new(base_ir) ir_dereference_variable(var);
deref = new(mem_ctx) ir_dereference_variable(var);
if (var->type->is_matrix()) {
deref = new(base_ir) ir_dereference_array(var,
new(base_ir) ir_constant(col));
deref = new(mem_ctx) ir_dereference_array(var,
new(mem_ctx) ir_constant(col));
} else {
assert(col == 0);
}
return new(base_ir) ir_swizzle(deref, row, 0, 0, 0, 1);
return new(mem_ctx) ir_swizzle(deref, row, 0, 0, 0, 1);
}
ir_dereference *
@@ -115,11 +117,11 @@ ir_mat_op_to_vec_visitor::get_column(ir_variable *var, int row)
ir_dereference *deref;
if (!var->type->is_matrix()) {
deref = new(base_ir) ir_dereference_variable(var);
deref = new(mem_ctx) ir_dereference_variable(var);
} else {
deref = new(base_ir) ir_dereference_variable(var);
deref = new(base_ir) ir_dereference_array(deref,
new(base_ir) ir_constant(row));
deref = new(mem_ctx) ir_dereference_variable(var);
deref = new(mem_ctx) ir_dereference_array(deref,
new(mem_ctx) ir_constant(row));
}
return deref;
@@ -139,7 +141,7 @@ ir_mat_op_to_vec_visitor::do_mul_mat_mat(ir_variable *result_var,
ir_rvalue *b = get_element(b_var, b_col, 0);
/* first column */
expr = new(base_ir) ir_expression(ir_binop_mul,
expr = new(mem_ctx) ir_expression(ir_binop_mul,
a->type,
a,
b);
@@ -151,18 +153,18 @@ ir_mat_op_to_vec_visitor::do_mul_mat_mat(ir_variable *result_var,
a = get_column(a_var, i);
b = get_element(b_var, b_col, i);
mul_expr = new(base_ir) ir_expression(ir_binop_mul,
mul_expr = new(mem_ctx) ir_expression(ir_binop_mul,
a->type,
a,
b);
expr = new(base_ir) ir_expression(ir_binop_add,
expr = new(mem_ctx) ir_expression(ir_binop_add,
a->type,
expr,
mul_expr);
}
ir_rvalue *result = get_column(result_var, b_col);
assign = new(base_ir) ir_assignment(result,
assign = new(mem_ctx) ir_assignment(result,
expr,
NULL);
base_ir->insert_before(assign);
@@ -181,7 +183,7 @@ ir_mat_op_to_vec_visitor::do_mul_mat_vec(ir_variable *result_var,
ir_expression *expr;
/* first column */
expr = new(base_ir) ir_expression(ir_binop_mul,
expr = new(mem_ctx) ir_expression(ir_binop_mul,
result_var->type,
a,
b);
@@ -193,18 +195,18 @@ ir_mat_op_to_vec_visitor::do_mul_mat_vec(ir_variable *result_var,
a = get_column(a_var, i);
b = get_element(b_var, 0, i);
mul_expr = new(base_ir) ir_expression(ir_binop_mul,
mul_expr = new(mem_ctx) ir_expression(ir_binop_mul,
result_var->type,
a,
b);
expr = new(base_ir) ir_expression(ir_binop_add,
expr = new(mem_ctx) ir_expression(ir_binop_add,
result_var->type,
expr,
mul_expr);
}
ir_rvalue *result = new(base_ir) ir_dereference_variable(result_var);
assign = new(base_ir) ir_assignment(result,
ir_rvalue *result = new(mem_ctx) ir_dereference_variable(result_var);
assign = new(mem_ctx) ir_assignment(result,
expr,
NULL);
base_ir->insert_before(assign);
@@ -218,21 +220,21 @@ ir_mat_op_to_vec_visitor::do_mul_vec_mat(ir_variable *result_var,
int i;
for (i = 0; i < b_var->type->matrix_columns; i++) {
ir_rvalue *a = new(base_ir) ir_dereference_variable(a_var);
ir_rvalue *a = new(mem_ctx) ir_dereference_variable(a_var);
ir_rvalue *b = get_column(b_var, i);
ir_rvalue *result;
ir_expression *column_expr;
ir_assignment *column_assign;
result = new(base_ir) ir_dereference_variable(result_var);
result = new(base_ir) ir_swizzle(result, i, 0, 0, 0, 1);
result = new(mem_ctx) ir_dereference_variable(result_var);
result = new(mem_ctx) ir_swizzle(result, i, 0, 0, 0, 1);
column_expr = new(base_ir) ir_expression(ir_binop_dot,
column_expr = new(mem_ctx) ir_expression(ir_binop_dot,
result->type,
a,
b);
column_assign = new(base_ir) ir_assignment(result,
column_assign = new(mem_ctx) ir_assignment(result,
column_expr,
NULL);
base_ir->insert_before(column_assign);
@@ -248,17 +250,17 @@ ir_mat_op_to_vec_visitor::do_mul_mat_scalar(ir_variable *result_var,
for (i = 0; i < a_var->type->matrix_columns; i++) {
ir_rvalue *a = get_column(a_var, i);
ir_rvalue *b = new(base_ir) ir_dereference_variable(b_var);
ir_rvalue *b = new(mem_ctx) ir_dereference_variable(b_var);
ir_rvalue *result = get_column(result_var, i);
ir_expression *column_expr;
ir_assignment *column_assign;
column_expr = new(base_ir) ir_expression(ir_binop_mul,
column_expr = new(mem_ctx) ir_expression(ir_binop_mul,
result->type,
a,
b);
column_assign = new(base_ir) ir_assignment(result,
column_assign = new(mem_ctx) ir_assignment(result,
column_expr,
NULL);
base_ir->insert_before(column_assign);
@@ -286,6 +288,8 @@ ir_mat_op_to_vec_visitor::visit_leave(ir_assignment *assign)
if (!found_matrix)
return visit_continue;
mem_ctx = talloc_parent(assign);
ir_dereference_variable *lhs_deref = assign->lhs->as_dereference_variable();
assert(lhs_deref);
@@ -297,13 +301,13 @@ ir_mat_op_to_vec_visitor::visit_leave(ir_assignment *assign)
for (i = 0; i < expr->get_num_operands(); i++) {
ir_assignment *assign;
op_var[i] = new(base_ir) ir_variable(expr->operands[i]->type,
op_var[i] = new(mem_ctx) ir_variable(expr->operands[i]->type,
"mat_op_to_vec",
ir_var_temporary);
base_ir->insert_before(op_var[i]);
lhs_deref = new(base_ir) ir_dereference_variable(op_var[i]);
assign = new(base_ir) ir_assignment(lhs_deref,
lhs_deref = new(mem_ctx) ir_dereference_variable(op_var[i]);
assign = new(mem_ctx) ir_assignment(lhs_deref,
expr->operands[i],
NULL);
base_ir->insert_before(assign);
@@ -321,12 +325,12 @@ ir_mat_op_to_vec_visitor::visit_leave(ir_assignment *assign)
ir_expression *column_expr;
ir_assignment *column_assign;
column_expr = new(base_ir) ir_expression(expr->operation,
column_expr = new(mem_ctx) ir_expression(expr->operation,
result->type,
op0,
NULL);
column_assign = new(base_ir) ir_assignment(result,
column_assign = new(mem_ctx) ir_assignment(result,
column_expr,
NULL,
mask);
@@ -352,12 +356,12 @@ ir_mat_op_to_vec_visitor::visit_leave(ir_assignment *assign)
ir_expression *column_expr;
ir_assignment *column_assign;
column_expr = new(base_ir) ir_expression(expr->operation,
column_expr = new(mem_ctx) ir_expression(expr->operation,
result->type,
op0,
op1);
column_assign = new(base_ir) ir_assignment(result,
column_assign = new(mem_ctx) ir_assignment(result,
column_expr,
NULL,
mask);