+++ /dev/null
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-#include <string.h>
-#include "main/compiler.h"
-#include "ir.h"
-#include "compiler/glsl_types.h"
-#include "program/hash_table.h"
-
-ir_rvalue *
-ir_rvalue::clone(void *mem_ctx, struct hash_table *) const
-{
- /* The only possible instantiation is the generic error value. */
- return error_value(mem_ctx);
-}
-
-/**
- * Duplicate an IR variable
- */
-ir_variable *
-ir_variable::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_variable *var = new(mem_ctx) ir_variable(this->type, this->name,
- (ir_variable_mode) this->data.mode);
-
- var->data.max_array_access = this->data.max_array_access;
- if (this->is_interface_instance()) {
- var->u.max_ifc_array_access =
- rzalloc_array(var, unsigned, this->interface_type->length);
- memcpy(var->u.max_ifc_array_access, this->u.max_ifc_array_access,
- this->interface_type->length * sizeof(unsigned));
- }
-
- memcpy(&var->data, &this->data, sizeof(var->data));
-
- if (this->get_state_slots()) {
- ir_state_slot *s = var->allocate_state_slots(this->get_num_state_slots());
- memcpy(s, this->get_state_slots(),
- sizeof(s[0]) * var->get_num_state_slots());
- }
-
- if (this->constant_value)
- var->constant_value = this->constant_value->clone(mem_ctx, ht);
-
- if (this->constant_initializer)
- var->constant_initializer =
- this->constant_initializer->clone(mem_ctx, ht);
-
- var->interface_type = this->interface_type;
-
- if (ht) {
- hash_table_insert(ht, var, (void *)const_cast<ir_variable *>(this));
- }
-
- return var;
-}
-
-ir_swizzle *
-ir_swizzle::clone(void *mem_ctx, struct hash_table *ht) const
-{
- return new(mem_ctx) ir_swizzle(this->val->clone(mem_ctx, ht), this->mask);
-}
-
-ir_return *
-ir_return::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_rvalue *new_value = NULL;
-
- if (this->value)
- new_value = this->value->clone(mem_ctx, ht);
-
- return new(mem_ctx) ir_return(new_value);
-}
-
-ir_discard *
-ir_discard::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_rvalue *new_condition = NULL;
-
- if (this->condition != NULL)
- new_condition = this->condition->clone(mem_ctx, ht);
-
- return new(mem_ctx) ir_discard(new_condition);
-}
-
-ir_loop_jump *
-ir_loop_jump::clone(void *mem_ctx, struct hash_table *ht) const
-{
- (void)ht;
-
- return new(mem_ctx) ir_loop_jump(this->mode);
-}
-
-ir_if *
-ir_if::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_if *new_if = new(mem_ctx) ir_if(this->condition->clone(mem_ctx, ht));
-
- foreach_in_list(ir_instruction, ir, &this->then_instructions) {
- new_if->then_instructions.push_tail(ir->clone(mem_ctx, ht));
- }
-
- foreach_in_list(ir_instruction, ir, &this->else_instructions) {
- new_if->else_instructions.push_tail(ir->clone(mem_ctx, ht));
- }
-
- return new_if;
-}
-
-ir_loop *
-ir_loop::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_loop *new_loop = new(mem_ctx) ir_loop();
-
- foreach_in_list(ir_instruction, ir, &this->body_instructions) {
- new_loop->body_instructions.push_tail(ir->clone(mem_ctx, ht));
- }
-
- return new_loop;
-}
-
-ir_call *
-ir_call::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_dereference_variable *new_return_ref = NULL;
- if (this->return_deref != NULL)
- new_return_ref = this->return_deref->clone(mem_ctx, ht);
-
- exec_list new_parameters;
-
- foreach_in_list(ir_instruction, ir, &this->actual_parameters) {
- new_parameters.push_tail(ir->clone(mem_ctx, ht));
- }
-
- return new(mem_ctx) ir_call(this->callee, new_return_ref, &new_parameters);
-}
-
-ir_expression *
-ir_expression::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_rvalue *op[ARRAY_SIZE(this->operands)] = { NULL, };
- unsigned int i;
-
- for (i = 0; i < get_num_operands(); i++) {
- op[i] = this->operands[i]->clone(mem_ctx, ht);
- }
-
- return new(mem_ctx) ir_expression(this->operation, this->type,
- op[0], op[1], op[2], op[3]);
-}
-
-ir_dereference_variable *
-ir_dereference_variable::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_variable *new_var;
-
- if (ht) {
- new_var = (ir_variable *)hash_table_find(ht, this->var);
- if (!new_var)
- new_var = this->var;
- } else {
- new_var = this->var;
- }
-
- return new(mem_ctx) ir_dereference_variable(new_var);
-}
-
-ir_dereference_array *
-ir_dereference_array::clone(void *mem_ctx, struct hash_table *ht) const
-{
- return new(mem_ctx) ir_dereference_array(this->array->clone(mem_ctx, ht),
- this->array_index->clone(mem_ctx,
- ht));
-}
-
-ir_dereference_record *
-ir_dereference_record::clone(void *mem_ctx, struct hash_table *ht) const
-{
- return new(mem_ctx) ir_dereference_record(this->record->clone(mem_ctx, ht),
- this->field);
-}
-
-ir_texture *
-ir_texture::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_texture *new_tex = new(mem_ctx) ir_texture(this->op);
- new_tex->type = this->type;
-
- new_tex->sampler = this->sampler->clone(mem_ctx, ht);
- if (this->coordinate)
- new_tex->coordinate = this->coordinate->clone(mem_ctx, ht);
- if (this->projector)
- new_tex->projector = this->projector->clone(mem_ctx, ht);
- if (this->shadow_comparitor) {
- new_tex->shadow_comparitor = this->shadow_comparitor->clone(mem_ctx, ht);
- }
-
- if (this->offset != NULL)
- new_tex->offset = this->offset->clone(mem_ctx, ht);
-
- switch (this->op) {
- case ir_tex:
- case ir_lod:
- case ir_query_levels:
- case ir_texture_samples:
- case ir_samples_identical:
- break;
- case ir_txb:
- new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht);
- break;
- case ir_txl:
- case ir_txf:
- case ir_txs:
- new_tex->lod_info.lod = this->lod_info.lod->clone(mem_ctx, ht);
- break;
- case ir_txf_ms:
- new_tex->lod_info.sample_index = this->lod_info.sample_index->clone(mem_ctx, ht);
- break;
- case ir_txd:
- new_tex->lod_info.grad.dPdx = this->lod_info.grad.dPdx->clone(mem_ctx, ht);
- new_tex->lod_info.grad.dPdy = this->lod_info.grad.dPdy->clone(mem_ctx, ht);
- break;
- case ir_tg4:
- new_tex->lod_info.component = this->lod_info.component->clone(mem_ctx, ht);
- break;
- }
-
- return new_tex;
-}
-
-ir_assignment *
-ir_assignment::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_rvalue *new_condition = NULL;
-
- if (this->condition)
- new_condition = this->condition->clone(mem_ctx, ht);
-
- ir_assignment *cloned =
- new(mem_ctx) ir_assignment(this->lhs->clone(mem_ctx, ht),
- this->rhs->clone(mem_ctx, ht),
- new_condition);
- cloned->write_mask = this->write_mask;
- return cloned;
-}
-
-ir_function *
-ir_function::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_function *copy = new(mem_ctx) ir_function(this->name);
-
- copy->is_subroutine = this->is_subroutine;
- copy->subroutine_index = this->subroutine_index;
- copy->num_subroutine_types = this->num_subroutine_types;
- copy->subroutine_types = ralloc_array(mem_ctx, const struct glsl_type *, copy->num_subroutine_types);
- for (int i = 0; i < copy->num_subroutine_types; i++)
- copy->subroutine_types[i] = this->subroutine_types[i];
-
- foreach_in_list(const ir_function_signature, sig, &this->signatures) {
- ir_function_signature *sig_copy = sig->clone(mem_ctx, ht);
- copy->add_signature(sig_copy);
-
- if (ht != NULL)
- hash_table_insert(ht, sig_copy,
- (void *)const_cast<ir_function_signature *>(sig));
- }
-
- return copy;
-}
-
-ir_function_signature *
-ir_function_signature::clone(void *mem_ctx, struct hash_table *ht) const
-{
- ir_function_signature *copy = this->clone_prototype(mem_ctx, ht);
-
- copy->is_defined = this->is_defined;
-
- /* Clone the instruction list.
- */
- foreach_in_list(const ir_instruction, inst, &this->body) {
- ir_instruction *const inst_copy = inst->clone(mem_ctx, ht);
- copy->body.push_tail(inst_copy);
- }
-
- return copy;
-}
-
-ir_function_signature *
-ir_function_signature::clone_prototype(void *mem_ctx, struct hash_table *ht) const
-{
- ir_function_signature *copy =
- new(mem_ctx) ir_function_signature(this->return_type);
-
- copy->is_defined = false;
- copy->builtin_avail = this->builtin_avail;
- copy->origin = this;
-
- /* Clone the parameter list, but NOT the body.
- */
- foreach_in_list(const ir_variable, param, &this->parameters) {
- assert(const_cast<ir_variable *>(param)->as_variable() != NULL);
-
- ir_variable *const param_copy = param->clone(mem_ctx, ht);
- copy->parameters.push_tail(param_copy);
- }
-
- return copy;
-}
-
-ir_constant *
-ir_constant::clone(void *mem_ctx, struct hash_table *ht) const
-{
- (void)ht;
-
- switch (this->type->base_type) {
- case GLSL_TYPE_UINT:
- case GLSL_TYPE_INT:
- case GLSL_TYPE_FLOAT:
- case GLSL_TYPE_DOUBLE:
- case GLSL_TYPE_BOOL:
- return new(mem_ctx) ir_constant(this->type, &this->value);
-
- case GLSL_TYPE_STRUCT: {
- ir_constant *c = new(mem_ctx) ir_constant;
-
- c->type = this->type;
- for (exec_node *node = this->components.head
- ; !node->is_tail_sentinel()
- ; node = node->next) {
- ir_constant *const orig = (ir_constant *) node;
-
- c->components.push_tail(orig->clone(mem_ctx, NULL));
- }
-
- return c;
- }
-
- case GLSL_TYPE_ARRAY: {
- ir_constant *c = new(mem_ctx) ir_constant;
-
- c->type = this->type;
- c->array_elements = ralloc_array(c, ir_constant *, this->type->length);
- for (unsigned i = 0; i < this->type->length; i++) {
- c->array_elements[i] = this->array_elements[i]->clone(mem_ctx, NULL);
- }
- return c;
- }
-
- case GLSL_TYPE_SAMPLER:
- case GLSL_TYPE_IMAGE:
- case GLSL_TYPE_ATOMIC_UINT:
- case GLSL_TYPE_VOID:
- case GLSL_TYPE_ERROR:
- case GLSL_TYPE_SUBROUTINE:
- case GLSL_TYPE_INTERFACE:
- assert(!"Should not get here.");
- break;
- }
-
- return NULL;
-}
-
-
-class fixup_ir_call_visitor : public ir_hierarchical_visitor {
-public:
- fixup_ir_call_visitor(struct hash_table *ht)
- {
- this->ht = ht;
- }
-
- virtual ir_visitor_status visit_enter(ir_call *ir)
- {
- /* Try to find the function signature referenced by the ir_call in the
- * table. If it is found, replace it with the value from the table.
- */
- ir_function_signature *sig =
- (ir_function_signature *) hash_table_find(this->ht, ir->callee);
- if (sig != NULL)
- ir->callee = sig;
-
- /* Since this may be used before function call parameters are flattened,
- * the children also need to be processed.
- */
- return visit_continue;
- }
-
-private:
- struct hash_table *ht;
-};
-
-
-static void
-fixup_function_calls(struct hash_table *ht, exec_list *instructions)
-{
- fixup_ir_call_visitor v(ht);
- v.run(instructions);
-}
-
-
-void
-clone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in)
-{
- struct hash_table *ht =
- hash_table_ctor(0, hash_table_pointer_hash, hash_table_pointer_compare);
-
- foreach_in_list(const ir_instruction, original, in) {
- ir_instruction *copy = original->clone(mem_ctx, ht);
-
- out->push_tail(copy);
- }
-
- /* Make a pass over the cloned tree to fix up ir_call nodes to point to the
- * cloned ir_function_signature nodes. This cannot be done automatically
- * during cloning because the ir_call might be a forward reference (i.e.,
- * the function signature that it references may not have been cloned yet).
- */
- fixup_function_calls(ht, out);
-
- hash_table_dtor(ht);
-}
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