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-rw-r--r--src/glsl/ir_clone.cpp287
1 files changed, 287 insertions, 0 deletions
diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp
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+/*
+ * 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 "ir.h"
+#include "glsl_types.h"
+#include "hash_table.h"
+
+/**
+ * Duplicate an IR variable
+ *
+ * \note
+ * This will probably be made \c virtual and moved to the base class
+ * eventually.
+ */
+ir_instruction *
+ir_variable::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ ir_variable *var = new(ctx) ir_variable(type, name);
+
+ var->max_array_access = this->max_array_access;
+ var->read_only = this->read_only;
+ var->centroid = this->centroid;
+ var->invariant = this->invariant;
+ var->mode = this->mode;
+ var->interpolation = this->interpolation;
+
+ if (ht) {
+ hash_table_insert(ht, var, (void *)const_cast<ir_variable *>(this));
+ }
+
+ return var;
+}
+
+ir_instruction *
+ir_swizzle::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ return new(ctx) ir_swizzle((ir_rvalue *)this->val->clone(ht), this->mask);
+}
+
+ir_instruction *
+ir_return::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ ir_rvalue *new_value = NULL;
+
+ if (this->value)
+ new_value = (ir_rvalue *)this->value->clone(ht);
+
+ return new(ctx) ir_return(new_value);
+}
+
+ir_instruction *
+ir_loop_jump::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ (void)ht;
+
+ return new(ctx) ir_loop_jump(this->mode);
+}
+
+ir_instruction *
+ir_if::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ ir_if *new_if = new(ctx) ir_if((ir_rvalue *)this->condition->clone(ht));
+
+ foreach_iter(exec_list_iterator, iter, this->then_instructions) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ new_if->then_instructions.push_tail(ir->clone(ht));
+ }
+
+ foreach_iter(exec_list_iterator, iter, this->else_instructions) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ new_if->else_instructions.push_tail(ir->clone(ht));
+ }
+
+ return new_if;
+}
+
+ir_instruction *
+ir_loop::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ ir_loop *new_loop = new(ctx) ir_loop();
+
+ if (this->from)
+ new_loop->from = (ir_rvalue *)this->from->clone(ht);
+ if (this->to)
+ new_loop->to = (ir_rvalue *)this->to->clone(ht);
+ if (this->increment)
+ new_loop->increment = (ir_rvalue *)this->increment->clone(ht);
+ new_loop->counter = counter;
+
+ foreach_iter(exec_list_iterator, iter, this->body_instructions) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ new_loop->body_instructions.push_tail(ir->clone(ht));
+ }
+
+ return new_loop;
+}
+
+ir_instruction *
+ir_call::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ exec_list new_parameters;
+
+ foreach_iter(exec_list_iterator, iter, this->actual_parameters) {
+ ir_instruction *ir = (ir_instruction *)iter.get();
+ new_parameters.push_tail(ir->clone(ht));
+ }
+
+ return new(ctx) ir_call(this->callee, &new_parameters);
+}
+
+ir_instruction *
+ir_expression::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ ir_rvalue *op[2] = {NULL, NULL};
+ unsigned int i;
+
+ for (i = 0; i < get_num_operands(); i++) {
+ op[i] = (ir_rvalue *)this->operands[i]->clone(ht);
+ }
+
+ return new(ctx) ir_expression(this->operation, this->type, op[0], op[1]);
+}
+
+ir_instruction *
+ir_dereference_variable::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ 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(ctx) ir_dereference_variable(new_var);
+}
+
+ir_instruction *
+ir_dereference_array::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ return new(ctx) ir_dereference_array((ir_rvalue *)this->array->clone(ht),
+ (ir_rvalue *)this->array_index->clone(ht));
+}
+
+ir_instruction *
+ir_dereference_record::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ return new(ctx) ir_dereference_record((ir_rvalue *)this->record->clone(ht),
+ this->field);
+}
+
+ir_instruction *
+ir_texture::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ ir_texture *new_tex = new(ctx) ir_texture(this->op);
+
+ new_tex->sampler = (ir_dereference *)this->sampler->clone(ht);
+ new_tex->coordinate = (ir_rvalue *)this->coordinate->clone(ht);
+ if (this->projector)
+ new_tex->projector = (ir_rvalue *)this->projector->clone(ht);
+ if (this->shadow_comparitor) {
+ new_tex->shadow_comparitor =
+ (ir_rvalue *)this->shadow_comparitor->clone(ht);
+ }
+
+ for (int i = 0; i < 3; i++)
+ new_tex->offsets[i] = this->offsets[i];
+
+ switch (this->op) {
+ case ir_tex:
+ break;
+ case ir_txb:
+ new_tex->lod_info.bias = (ir_rvalue *)this->lod_info.bias->clone(ht);
+ break;
+ case ir_txl:
+ case ir_txf:
+ new_tex->lod_info.lod = (ir_rvalue *)this->lod_info.lod->clone(ht);
+ break;
+ case ir_txd:
+ new_tex->lod_info.grad.dPdx =
+ (ir_rvalue *)this->lod_info.grad.dPdx->clone(ht);
+ new_tex->lod_info.grad.dPdy =
+ (ir_rvalue *)this->lod_info.grad.dPdy->clone(ht);
+ break;
+ }
+
+ return new_tex;
+}
+
+ir_instruction *
+ir_assignment::clone(struct hash_table *ht) const
+{
+ ir_rvalue *new_condition = NULL;
+
+ if (this->condition)
+ new_condition = (ir_rvalue *)this->condition->clone(ht);
+
+ void *ctx = talloc_parent(this);
+ return new(ctx) ir_assignment((ir_rvalue *)this->lhs->clone(ht),
+ (ir_rvalue *)this->rhs->clone(ht),
+ new_condition);
+}
+
+ir_instruction *
+ir_function::clone(struct hash_table *ht) const
+{
+ (void)ht;
+ /* FINISHME */
+ abort();
+}
+
+ir_instruction *
+ir_function_signature::clone(struct hash_table *ht) const
+{
+ (void)ht;
+ /* FINISHME */
+ abort();
+}
+
+ir_instruction *
+ir_constant::clone(struct hash_table *ht) const
+{
+ void *ctx = talloc_parent(this);
+ (void)ht;
+
+ switch (this->type->base_type) {
+ case GLSL_TYPE_UINT:
+ case GLSL_TYPE_INT:
+ case GLSL_TYPE_FLOAT:
+ case GLSL_TYPE_BOOL:
+ return new(ctx) ir_constant(this->type, &this->value);
+
+ case GLSL_TYPE_STRUCT: {
+ ir_constant *c = new(ctx) ir_constant;
+
+ c->type = this->type;
+ for (exec_node *node = this->components.head
+ ; !node->is_tail_sentinal()
+ ; node = node->next) {
+ ir_constant *const orig = (ir_constant *) node;
+
+ c->components.push_tail(orig->clone(NULL));
+ }
+
+ return c;
+ }
+
+ default:
+ assert(!"Should not get here."); break;
+ return NULL;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 16:24:51 +0000