* applications depend on this behavior, and it matches what nearly all
* other drivers do.
*/
- foreach_list_safe(node, instructions) {
- ir_variable *const var = ((ir_instruction *) node)->as_variable();
+ foreach_in_list_safe(ir_instruction, node, instructions) {
+ ir_variable *const var = node->as_variable();
if (var == NULL)
continue;
* Add these to the symbol table.
*/
state->symbols->push_scope();
- foreach_list(n, &signature->parameters) {
- ir_variable *const var = ((ir_instruction *) n)->as_variable();
-
- assert(var != NULL);
+ foreach_in_list(ir_variable, var, &signature->parameters) {
+ assert(var->as_variable() != NULL);
/* The only way a parameter would "exist" is if two parameters have
* the same name.
instructions->push_tail(new(ctx) ir_assignment(deref_is_break_var,
is_break_val));
+ state->switch_state.run_default =
+ new(ctx) ir_variable(glsl_type::bool_type,
+ "run_default_tmp",
+ ir_var_temporary);
+ instructions->push_tail(state->switch_state.run_default);
+
/* Cache test expression.
*/
test_to_hir(instructions, state);
ast_case_statement_list::hir(exec_list *instructions,
struct _mesa_glsl_parse_state *state)
{
- foreach_list_typed (ast_case_statement, case_stmt, link, & this->cases)
- case_stmt->hir(instructions, state);
+ exec_list default_case, after_default, tmp;
+
+ foreach_list_typed (ast_case_statement, case_stmt, link, & this->cases) {
+ case_stmt->hir(&tmp, state);
+
+ /* Default case. */
+ if (state->switch_state.previous_default && default_case.is_empty()) {
+ default_case.append_list(&tmp);
+ continue;
+ }
+
+ /* If default case found, append 'after_default' list. */
+ if (!default_case.is_empty())
+ after_default.append_list(&tmp);
+ else
+ instructions->append_list(&tmp);
+ }
+
+ /* Handle the default case. This is done here because default might not be
+ * the last case. We need to add checks against following cases first to see
+ * if default should be chosen or not.
+ */
+ if (!default_case.is_empty()) {
+
+ ir_rvalue *const true_val = new (state) ir_constant(true);
+ ir_dereference_variable *deref_run_default_var =
+ new(state) ir_dereference_variable(state->switch_state.run_default);
+
+ /* Choose to run default case initially, following conditional
+ * assignments might change this.
+ */
+ ir_assignment *const init_var =
+ new(state) ir_assignment(deref_run_default_var, true_val);
+ instructions->push_tail(init_var);
+
+ /* Default case was the last one, no checks required. */
+ if (after_default.is_empty()) {
+ instructions->append_list(&default_case);
+ return NULL;
+ }
+
+ foreach_in_list(ir_instruction, ir, &after_default) {
+ ir_assignment *assign = ir->as_assignment();
+
+ if (!assign)
+ continue;
+
+ /* Clone the check between case label and init expression. */
+ ir_expression *exp = (ir_expression*) assign->condition;
+ ir_expression *clone = exp->clone(state, NULL);
+
+ ir_dereference_variable *deref_var =
+ new(state) ir_dereference_variable(state->switch_state.run_default);
+ ir_rvalue *const false_val = new (state) ir_constant(false);
+
+ ir_assignment *const set_false =
+ new(state) ir_assignment(deref_var, false_val, clone);
+
+ instructions->push_tail(set_false);
+ }
+
+ /* Append default case and all cases after it. */
+ instructions->append_list(&default_case);
+ instructions->append_list(&after_default);
+ }
/* Case statements do not have r-values. */
return NULL;
}
state->switch_state.previous_default = this;
+ /* Set fallthru condition on 'run_default' bool. */
+ ir_dereference_variable *deref_run_default =
+ new(ctx) ir_dereference_variable(state->switch_state.run_default);
+ ir_rvalue *const cond_true = new(ctx) ir_constant(true);
+ ir_expression *test_cond = new(ctx) ir_expression(ir_binop_all_equal,
+ cond_true,
+ deref_run_default);
+
/* Set falltrhu state. */
ir_assignment *set_fallthru =
- new(ctx) ir_assignment(deref_fallthru_var, true_val);
+ new(ctx) ir_assignment(deref_fallthru_var, true_val, test_cond);
instructions->push_tail(set_fallthru);
}
* 'declarations' list in each of the elements.
*/
foreach_list_typed (ast_declarator_list, decl_list, link, declarations) {
- foreach_list_const (decl_ptr, & decl_list->declarations) {
- decl_count++;
- }
+ decl_count += decl_list->declarations.length();
}
/* Allocate storage for the fields and process the field
"in uniform blocks or structures.");
}
- if (field_type->is_matrix() ||
- (field_type->is_array() && field_type->fields.array->is_matrix())) {
+ if (field_type->without_array()->is_matrix()) {
fields[i].row_major = block_row_major;
if (qual->flags.q.row_major)
fields[i].row_major = true;
fields[i].row_major = false;
}
- i++;
+ i++;
}
}
* thinking there are conflicting definitions of gl_PerVertex in the
* shader.
*/
- foreach_list_safe(node, instructions) {
- ir_variable *const var = ((ir_instruction *) node)->as_variable();
+ foreach_in_list_safe(ir_instruction, node, instructions) {
+ ir_variable *const var = node->as_variable();
if (var != NULL &&
var->get_interface_type() == earlier_per_vertex &&
var->data.mode == var_mode) {
/* If any shader inputs occurred before this declaration and did not
* specify an array size, their size is determined now.
*/
- foreach_list (node, instructions) {
- ir_variable *var = ((ir_instruction *) node)->as_variable();
+ foreach_in_list(ir_instruction, node, instructions) {
+ ir_variable *var = node->as_variable();
if (var == NULL || var->data.mode != ir_var_shader_in)
continue;
YYLTYPE loc;
memset(&loc, 0, sizeof(loc));
- foreach_list(node, instructions) {
- ir_variable *var = ((ir_instruction *)node)->as_variable();
+ foreach_in_list(ir_instruction, node, instructions) {
+ ir_variable *var = node->as_variable();
if (!var || !var->data.assigned)
continue;
/* Remove any ir_variable declarations that refer to the interface block
* we're removing.
*/
- foreach_list_safe(node, instructions) {
- ir_variable *const var = ((ir_instruction *) node)->as_variable();
+ foreach_in_list_safe(ir_instruction, node, instructions) {
+ ir_variable *const var = node->as_variable();
if (var != NULL && var->get_interface_type() == per_vertex &&
var->data.mode == mode) {
state->symbols->disable_variable(var->name);
projects / mesa.git / blobdiff