i915: Silence warning: unused parameter warning in intel_bufferobj_buffer
[mesa.git] / src / glsl / ir_clone.cpp
index f7e8794728c6fa192cdce99a24ac2faa1aaf6b7c..cb732a51a0d1814ccef6085c5a2eca0ecad3db15 100644 (file)
  */
 
 #include <string.h>
+#include "main/compiler.h"
 #include "ir.h"
 #include "glsl_types.h"
-extern "C" {
-#include "hash_table.h"
+#include "program/hash_table.h"
+
+ir_rvalue *
+ir_rvalue::clone(void *mem_ctx, struct hash_table *ht) const
+{
+   /* The only possible instantiation is the generic error value. */
+   return error_value(mem_ctx);
 }
 
 /**
  * Duplicate an IR variable
- *
- * \note
- * This will probably be made \c virtual and moved to the base class
- * eventually.
  */
 ir_variable *
-ir_variable::clone(struct hash_table *ht) const
+ir_variable::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   ir_variable *var = new(ctx) ir_variable(this->type, this->name,
-                                          (ir_variable_mode) this->mode);
-
-   var->max_array_access = this->max_array_access;
-   var->read_only = this->read_only;
-   var->centroid = this->centroid;
-   var->invariant = this->invariant;
-   var->shader_in = this->shader_in;
-   var->shader_out = this->shader_out;
-   var->interpolation = this->interpolation;
-   var->array_lvalue = this->array_lvalue;
-   var->location = this->location;
+   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->max_ifc_array_access =
+         rzalloc_array(var, unsigned, this->interface_type->length);
+      memcpy(var->max_ifc_array_access, this->max_ifc_array_access,
+             this->interface_type->length * sizeof(unsigned));
+   }
+
+   memcpy(&var->data, &this->data, sizeof(var->data));
+
    var->warn_extension = this->warn_extension;
 
+   var->num_state_slots = this->num_state_slots;
+   if (this->state_slots) {
+      /* FINISHME: This really wants to use something like talloc_reference, but
+       * FINISHME: ralloc doesn't have any similar function.
+       */
+      var->state_slots = ralloc_array(var, ir_state_slot,
+                                     this->num_state_slots);
+      memcpy(var->state_slots, this->state_slots,
+            sizeof(this->state_slots[0]) * var->num_state_slots);
+   }
+
    if (this->constant_value)
-      var->constant_value = this->constant_value->clone(ht);
+      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));
@@ -64,118 +83,106 @@ ir_variable::clone(struct hash_table *ht) const
 }
 
 ir_swizzle *
-ir_swizzle::clone(struct hash_table *ht) const
+ir_swizzle::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   return new(ctx) ir_swizzle(this->val->clone(ht), this->mask);
+   return new(mem_ctx) ir_swizzle(this->val->clone(mem_ctx, ht), this->mask);
 }
 
 ir_return *
-ir_return::clone(struct hash_table *ht) const
+ir_return::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
    ir_rvalue *new_value = NULL;
 
    if (this->value)
-      new_value = this->value->clone(ht);
+      new_value = this->value->clone(mem_ctx, ht);
 
-   return new(ctx) ir_return(new_value);
+   return new(mem_ctx) ir_return(new_value);
 }
 
 ir_discard *
-ir_discard::clone(struct hash_table *ht) const
+ir_discard::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
    ir_rvalue *new_condition = NULL;
 
    if (this->condition != NULL)
-      new_condition = this->condition->clone(ht);
+      new_condition = this->condition->clone(mem_ctx, ht);
 
-   return new(ctx) ir_discard(new_condition);
+   return new(mem_ctx) ir_discard(new_condition);
 }
 
 ir_loop_jump *
-ir_loop_jump::clone(struct hash_table *ht) const
+ir_loop_jump::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
    (void)ht;
 
-   return new(ctx) ir_loop_jump(this->mode);
+   return new(mem_ctx) ir_loop_jump(this->mode);
 }
 
 ir_if *
-ir_if::clone(struct hash_table *ht) const
+ir_if::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   ir_if *new_if = new(ctx) ir_if(this->condition->clone(ht));
+   ir_if *new_if = new(mem_ctx) ir_if(this->condition->clone(mem_ctx, 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_list(n, &this->then_instructions) {
+      ir_instruction *ir = (ir_instruction *) n;
+      new_if->then_instructions.push_tail(ir->clone(mem_ctx, 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));
+   foreach_list(n, &this->else_instructions) {
+      ir_instruction *ir = (ir_instruction *) n;
+      new_if->else_instructions.push_tail(ir->clone(mem_ctx, ht));
    }
 
    return new_if;
 }
 
 ir_loop *
-ir_loop::clone(struct hash_table *ht) const
+ir_loop::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   ir_loop *new_loop = new(ctx) ir_loop();
-
-   if (this->from)
-      new_loop->from = this->from->clone(ht);
-   if (this->to)
-      new_loop->to = this->to->clone(ht);
-   if (this->increment)
-      new_loop->increment = 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));
+   ir_loop *new_loop = new(mem_ctx) ir_loop();
+
+   foreach_list(n, &this->body_instructions) {
+      ir_instruction *ir = (ir_instruction *) n;
+      new_loop->body_instructions.push_tail(ir->clone(mem_ctx, ht));
    }
 
    return new_loop;
 }
 
 ir_call *
-ir_call::clone(struct hash_table *ht) const
+ir_call::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
+   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_iter(exec_list_iterator, iter, this->actual_parameters) {
-      ir_instruction *ir = (ir_instruction *)iter.get();
-      new_parameters.push_tail(ir->clone(ht));
+   foreach_list(n, &this->actual_parameters) {
+      ir_instruction *ir = (ir_instruction *) n;
+      new_parameters.push_tail(ir->clone(mem_ctx, ht));
    }
 
-   return new(ctx) ir_call(this->callee, &new_parameters);
+   return new(mem_ctx) ir_call(this->callee, new_return_ref, &new_parameters);
 }
 
 ir_expression *
-ir_expression::clone(struct hash_table *ht) const
+ir_expression::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   ir_rvalue *op[2] = {NULL, NULL};
+   ir_rvalue *op[Elements(this->operands)] = { NULL, };
    unsigned int i;
 
    for (i = 0; i < get_num_operands(); i++) {
-      op[i] = this->operands[i]->clone(ht);
+      op[i] = this->operands[i]->clone(mem_ctx, ht);
    }
 
-   return new(ctx) ir_expression(this->operation, this->type, op[0], op[1]);
+   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(struct hash_table *ht) const
+ir_dereference_variable::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
    ir_variable *new_var;
 
    if (ht) {
@@ -186,55 +193,64 @@ ir_dereference_variable::clone(struct hash_table *ht) const
       new_var = this->var;
    }
 
-   return new(ctx) ir_dereference_variable(new_var);
+   return new(mem_ctx) ir_dereference_variable(new_var);
 }
 
 ir_dereference_array *
-ir_dereference_array::clone(struct hash_table *ht) const
+ir_dereference_array::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   return new(ctx) ir_dereference_array(this->array->clone(ht),
-                                       this->array_index->clone(ht));
+   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(struct hash_table *ht) const
+ir_dereference_record::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   return new(ctx) ir_dereference_record(this->record->clone(ht),
-                                        this->field);
+   return new(mem_ctx) ir_dereference_record(this->record->clone(mem_ctx, ht),
+                                            this->field);
 }
 
 ir_texture *
-ir_texture::clone(struct hash_table *ht) const
+ir_texture::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
-   ir_texture *new_tex = new(ctx) ir_texture(this->op);
+   ir_texture *new_tex = new(mem_ctx) ir_texture(this->op);
+   new_tex->type = this->type;
 
-   new_tex->sampler = this->sampler->clone(ht);
-   new_tex->coordinate = this->coordinate->clone(ht);
+   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(ht);
+      new_tex->projector = this->projector->clone(mem_ctx, ht);
    if (this->shadow_comparitor) {
-      new_tex->shadow_comparitor = this->shadow_comparitor->clone(ht);
+      new_tex->shadow_comparitor = this->shadow_comparitor->clone(mem_ctx, ht);
    }
 
-   for (int i = 0; i < 3; i++)
-      new_tex->offsets[i] = this->offsets[i];
+   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:
       break;
    case ir_txb:
-      new_tex->lod_info.bias = this->lod_info.bias->clone(ht);
+      new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht);
       break;
    case ir_txl:
    case ir_txf:
-      new_tex->lod_info.lod = this->lod_info.lod->clone(ht);
+   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(ht);
-      new_tex->lod_info.grad.dPdy = this->lod_info.grad.dPdy->clone(ht);
+      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;
    }
 
@@ -242,30 +258,29 @@ ir_texture::clone(struct hash_table *ht) const
 }
 
 ir_assignment *
-ir_assignment::clone(struct hash_table *ht) const
+ir_assignment::clone(void *mem_ctx, struct hash_table *ht) const
 {
    ir_rvalue *new_condition = NULL;
 
    if (this->condition)
-      new_condition = this->condition->clone(ht);
+      new_condition = this->condition->clone(mem_ctx, ht);
 
-   void *ctx = talloc_parent(this);
-   return new(ctx) ir_assignment(this->lhs->clone(ht),
-                                this->rhs->clone(ht),
-                                new_condition);
+   return new(mem_ctx) ir_assignment(this->lhs->clone(mem_ctx, ht),
+                                    this->rhs->clone(mem_ctx, ht),
+                                    new_condition,
+                                    this->write_mask);
 }
 
 ir_function *
-ir_function::clone(struct hash_table *ht) const
+ir_function::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *mem_ctx = talloc_parent(this);
    ir_function *copy = new(mem_ctx) ir_function(this->name);
 
    foreach_list_const(node, &this->signatures) {
       const ir_function_signature *const sig =
         (const ir_function_signature *const) node;
 
-      ir_function_signature *sig_copy = sig->clone(ht);
+      ir_function_signature *sig_copy = sig->clone(mem_ctx, ht);
       copy->add_signature(sig_copy);
 
       if (ht != NULL)
@@ -277,42 +292,51 @@ ir_function::clone(struct hash_table *ht) const
 }
 
 ir_function_signature *
-ir_function_signature::clone(struct hash_table *ht) const
+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_list_const(node, &this->body) {
+      const ir_instruction *const inst = (const ir_instruction *) node;
+
+      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
 {
-   void *mem_ctx = talloc_parent(this);
    ir_function_signature *copy =
       new(mem_ctx) ir_function_signature(this->return_type);
 
-   copy->is_defined = this->is_defined;
-   copy->is_built_in = this->is_built_in;
+   copy->is_defined = false;
+   copy->builtin_avail = this->builtin_avail;
+   copy->origin = this;
 
-   /* Clone the parameter list.
+   /* Clone the parameter list, but NOT the body.
     */
    foreach_list_const(node, &this->parameters) {
       const ir_variable *const param = (const ir_variable *) node;
 
       assert(const_cast<ir_variable *>(param)->as_variable() != NULL);
 
-      ir_variable *const param_copy = param->clone(ht);
+      ir_variable *const param_copy = param->clone(mem_ctx, ht);
       copy->parameters.push_tail(param_copy);
    }
 
-   /* Clone the instruction list.
-    */
-   foreach_list_const(node, &this->body) {
-      const ir_instruction *const inst = (const ir_instruction *) node;
-
-      ir_instruction *const inst_copy = inst->clone(ht);
-      copy->body.push_tail(inst_copy);
-   }
-
    return copy;
 }
 
 ir_constant *
-ir_constant::clone(struct hash_table *ht) const
+ir_constant::clone(void *mem_ctx, struct hash_table *ht) const
 {
-   void *ctx = talloc_parent(this);
    (void)ht;
 
    switch (this->type->base_type) {
@@ -320,27 +344,44 @@ ir_constant::clone(struct hash_table *ht) const
    case GLSL_TYPE_INT:
    case GLSL_TYPE_FLOAT:
    case GLSL_TYPE_BOOL:
-      return new(ctx) ir_constant(this->type, &this->value);
+      return new(mem_ctx) ir_constant(this->type, &this->value);
 
    case GLSL_TYPE_STRUCT: {
-      ir_constant *c = new(ctx) ir_constant;
+      ir_constant *c = new(mem_ctx) ir_constant;
 
       c->type = this->type;
       for (exec_node *node = this->components.head
-             ; !node->is_tail_sentinal()
+             ; !node->is_tail_sentinel()
              ; node = node->next) {
         ir_constant *const orig = (ir_constant *) node;
 
-        c->components.push_tail(orig->clone(NULL));
+        c->components.push_tail(orig->clone(mem_ctx, NULL));
       }
 
       return c;
    }
 
-   default:
-      assert(!"Should not get here."); break;
-      return NULL;
+   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_ATOMIC_UINT:
+   case GLSL_TYPE_VOID:
+   case GLSL_TYPE_ERROR:
+   case GLSL_TYPE_INTERFACE:
+      assert(!"Should not get here.");
+      break;
    }
+
+   return NULL;
 }
 
 
@@ -357,9 +398,9 @@ public:
        * 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->get_callee());
+        (ir_function_signature *) hash_table_find(this->ht, ir->callee);
       if (sig != NULL)
-        ir->set_callee(sig);
+        ir->callee = sig;
 
       /* Since this may be used before function call parameters are flattened,
        * the children also need to be processed.
@@ -381,14 +422,14 @@ fixup_function_calls(struct hash_table *ht, exec_list *instructions)
 
 
 void
-clone_ir_list(exec_list *out, const exec_list *in)
+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_list_const(node, in) {
       const ir_instruction *const original = (ir_instruction *) node;
-      ir_instruction *copy = original->clone(ht);
+      ir_instruction *copy = original->clone(mem_ctx, ht);
 
       out->push_tail(copy);
    }