ir.h revision ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74e
1986b8f798272d3ae2898617c8fb089156a5941c0Ian Romanick/* -*- c++ -*- */ 2a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/* 3a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Copyright © 2010 Intel Corporation 4a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 5a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Permission is hereby granted, free of charge, to any person obtaining a 6a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * copy of this software and associated documentation files (the "Software"), 7a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * to deal in the Software without restriction, including without limitation 8a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * and/or sell copies of the Software, and to permit persons to whom the 10a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Software is furnished to do so, subject to the following conditions: 11a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 12a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The above copyright notice and this permission notice (including the next 13a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * paragraph) shall be included in all copies or substantial portions of the 14a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Software. 15a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 16a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * DEALINGS IN THE SOFTWARE. 23a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 24a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 25e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#pragma once 26e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#ifndef IR_H 27e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#define IR_H 28e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 29ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt#include <cstdio> 30ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt#include <cstdlib> 31ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt 32f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worthextern "C" { 33f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worth#include <talloc.h> 34f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worth} 35f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worth 360044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick#include "list.h" 3778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick#include "ir_visitor.h" 388895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick#include "ir_hierarchical_visitor.h" 390044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick 40e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 41e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \defgroup IR Intermediate representation nodes 42e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 43e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * @{ 44e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 45e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 46e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 47e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Class tags 48e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 49e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Each concrete class derived from \c ir_instruction has a value in this 50e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * enumerant. The value for the type is stored in \c ir_instruction::ir_type 51e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * by the constructor. While using type tags is not very C++, it is extremely 52e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * convenient. For example, during debugging you can simply inspect 53e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type to find out the actual type of the object. 54e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 55e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * In addition, it is possible to use a switch-statement based on \c 56e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type to select different behavior for different object 57e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * types. For functions that have only slight differences for several object 58e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * types, this allows writing very straightforward, readable code. 59e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 60d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholtenum ir_node_type { 61e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 62e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Zero is unused so that the IR validator can detect cases where 63e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type has not been initialized. 64e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 65d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_unset, 66d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_variable, 67d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_assignment, 68d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_call, 69d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_constant, 70d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_array, 71d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_record, 72d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_variable, 73d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_discard, 74d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_expression, 75d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function, 76d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function_signature, 77d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_if, 78d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop, 79d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop_jump, 80d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_return, 81d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_swizzle, 82d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_texture, 836dc89d221d43fad5f3edbb903997160af071bec0Brian Paul ir_type_max /**< maximum ir_type enum number, for validation */ 84d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt}; 85d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt 86a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 87a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Base class of all IR instructions 88a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 890044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanickclass ir_instruction : public exec_node { 90a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 91d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt enum ir_node_type ir_type; 92a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *type; 93a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 94e46a454305af64710ce8deadafc718f75363ac7eEric Anholt /** ir_print_visitor helper for debugging. */ 954b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt void print(void) const; 96e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 9778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *) = 0; 988895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; 998273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_instruction *clone(void *mem_ctx, 1008273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *ht) const = 0; 10178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 10244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /** 10344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \name IR instruction downcast functions 10444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * 10544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * These functions either cast the object to a derived class or return 10644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \c NULL if the object's type does not match the specified derived class. 10744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * Additional downcast functions will be added as needed. 10844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke */ 10944e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@{*/ 11044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_variable * as_variable() { return NULL; } 1116202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual class ir_function * as_function() { return NULL; } 11244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_dereference * as_dereference() { return NULL; } 113b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual class ir_dereference_array * as_dereference_array() { return NULL; } 114d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } 1156d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual class ir_expression * as_expression() { return NULL; } 116fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual class ir_rvalue * as_rvalue() { return NULL; } 11701f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual class ir_loop * as_loop() { return NULL; } 118cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_assignment * as_assignment() { return NULL; } 119cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_call * as_call() { return NULL; } 120cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_return * as_return() { return NULL; } 1215ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual class ir_if * as_if() { return NULL; } 1227d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual class ir_swizzle * as_swizzle() { return NULL; } 1235c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual class ir_constant * as_constant() { return NULL; } 12444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@}*/ 12544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 126a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickprotected: 12744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke ir_instruction() 128d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick { 129d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 1300a89175a35ba3ac2a94d0ba9bcc9926edc8927e3Kenneth Graunke type = NULL; 131d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick } 132a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 133a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 134a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 135fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_rvalue : public ir_instruction { 136fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkepublic: 1378273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const = 0; 138ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 139fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value() = 0; 140fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 141fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual ir_rvalue * as_rvalue() 142fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 143fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return this; 144fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 145fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 146fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual bool is_lvalue() 147fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 148fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return false; 149fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 150fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 1512b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 1522b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 1532b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 1542b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced() 1552b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick { 1562b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick return NULL; 1572b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick } 1582b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 159b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 160b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /** 161b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * If an r-value is a reference to a whole variable, get that variable 162b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * 163b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * \return 164b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * Pointer to a variable that is completely dereferenced by the r-value. If 165b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * the r-value is not a dereference or the dereference does not access the 166b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * entire variable (i.e., it's just one array element, struct field), \c NULL 167b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * is returned. 168b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 169b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 170b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 171b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return NULL; 172b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 173b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 174ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick /** 175ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * Determine if an r-value has the value zero 176ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 177ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * The base implementation of this function always returns \c false. The 178ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \c ir_constant class over-rides this function to return \c true \b only 179ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * for vector and scalar types that have all elements set to the value 180ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * zero (or \c false for booleans). 181ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 182ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \sa ir_constant::has_value, ir_rvalue::is_one 183ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick */ 184ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_zero() const; 185ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick 186ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick /** 187ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * Determine if an r-value has the value one 188ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 189ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * The base implementation of this function always returns \c false. The 190ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \c ir_constant class over-rides this function to return \c true \b only 191ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * for vector and scalar types that have all elements set to the value 192ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * one (or \c true for booleans). 193ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 194ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \sa ir_constant::has_value, ir_rvalue::is_zero 195ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick */ 196ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_one() const; 197ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick 198fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeprotected: 1990a89175a35ba3ac2a94d0ba9bcc9926edc8927e3Kenneth Graunke ir_rvalue(); 200fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke}; 201fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 202fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 203e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 204e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Variable storage classes 205e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 206a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_variable_mode { 207e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_var_auto = 0, /**< Function local variables and globals. */ 208e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_var_uniform, /**< Variable declared as a uniform. */ 209a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_in, 210a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_out, 2117e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_var_inout, 2127e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_var_temporary /**< Temporary variable generated during compilation. */ 213a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 214a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 215a22426dc4c934673e8f0af5c70a67505a4de7aadCarl Worthenum ir_variable_interpolation { 216a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_smooth = 0, 217a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_flat, 218a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_noperspective 219a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 220a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 221fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 222a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_variable : public ir_instruction { 223a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 2247e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_variable(const struct glsl_type *, const char *, ir_variable_mode); 225a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 2268273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const; 2274b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 22844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_variable *as_variable() 22944e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 23044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 23144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 23244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 23378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 23478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 23578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 23678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 23778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 2388895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 2398895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 2402d394d4877794d19756c3760d711524dca89f772Ian Romanick 241950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick /** 242950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * Get the string value for the interpolation qualifier 243950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * 244046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * \return The string that would be used in a shader to specify \c 245046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * mode will be returned. 246046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * 247046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * This function should only be used on a shader input or output variable. 248950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick */ 249950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick const char *interpolation_string() const; 250950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick 2518b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick /** 2528b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * Calculate the number of slots required to hold this variable 2538b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * 2548b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * This is used to determine how many uniform or varying locations a variable 2558b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * occupies. The count is in units of floating point components. 2568b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick */ 2578b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick unsigned component_slots() const; 2588b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick 259e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 260e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Delcared name of the variable 261e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 262a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 263a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 264b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick /** 265b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Highest element accessed with a constant expression array index 266b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * 267b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Not used for non-array variables. 268b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick */ 269b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick unsigned max_array_access; 270b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick 271e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 272e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Is the variable read-only? 273e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 274e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * This is set for variables declared as \c const, shader inputs, 275e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * and uniforms. 276e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 277a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned read_only:1; 278a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned centroid:1; 279a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned invariant:1; 280a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 281e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 282e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Storage class of the variable. 283e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 284e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \sa ir_variable_mode 285e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 286a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned mode:3; 287e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 288e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 289e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Interpolation mode for shader inputs / outputs 290e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 291e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \sa ir_variable_interpolation 292e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 293a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned interpolation:2; 2949d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick 2959d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick /** 2969d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * Flag that the whole array is assignable 2979d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * 2989d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * In GLSL 1.20 and later whole arrays are assignable (and comparable for 2999d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * equality). This flag enables this behavior. 3009d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick */ 3019d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick unsigned array_lvalue:1; 302326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt 303e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 304e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \name ARB_fragment_coord_conventions 305e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * @{ 306e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 3074a962170d7cf4243d6ae156fca20a6167388925dEric Anholt unsigned origin_upper_left:1; 3084a962170d7cf4243d6ae156fca20a6167388925dEric Anholt unsigned pixel_center_integer:1; 309e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /*@}*/ 3104a962170d7cf4243d6ae156fca20a6167388925dEric Anholt 311326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt /** 312eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * Was the location explicitly set in the shader? 313eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * 314eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * If the location is explicitly set in the shader, it \b cannot be changed 315eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * by the linker or by the API (e.g., calls to \c glBindAttribLocation have 316eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * no effect). 317eee68d3631813580a14fa51fda6f0c959279256cIan Romanick */ 318eee68d3631813580a14fa51fda6f0c959279256cIan Romanick unsigned explicit_location:1; 319eee68d3631813580a14fa51fda6f0c959279256cIan Romanick 320eee68d3631813580a14fa51fda6f0c959279256cIan Romanick /** 32169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * Storage location of the base of this variable 32269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 32369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * The precise meaning of this field depends on the nature of the variable. 32469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 32569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader input: one of the values from \c gl_vert_attrib. 32669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader output: one of the values from \c gl_vert_result. 32769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader input: one of the values from \c gl_frag_attrib. 32869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader output: one of the values from \c gl_frag_result. 32969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Uniforms: Per-stage uniform slot number. 33069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Other: This field is not currently used. 33169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 33269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * If the variable is a uniform, shader input, or shader output, and the 33369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * slot has not been assigned, the value will be -1. 33469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick */ 33569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick int location; 33669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick 33769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick /** 338c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick * Emit a warning if this variable is accessed. 339c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick */ 340c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick const char *warn_extension; 341c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick 342c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick /** 343326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt * Value assigned in the initializer of a variable declared "const" 344326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt */ 345326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt ir_constant *constant_value; 346a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 347a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 348a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 349a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@{*/ 3509fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke/** 3519fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * The representation of a function instance; may be the full definition or 3529fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * simply a prototype. 3539fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke */ 354a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function_signature : public ir_instruction { 355894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /* An ir_function_signature will be part of the list of signatures in 356894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt * an ir_function. 357894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt */ 358a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 359e39cc69fa3cb830b803fe0c4f6c30915aa886b5bIan Romanick ir_function_signature(const glsl_type *return_type); 360a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 3618273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_function_signature *clone(void *mem_ctx, 3628273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *ht) const; 3634b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 36478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 36578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 36678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 36778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 36878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 3698895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 3708895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 371a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 3720f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick * Get the name of the function for which this is a signature 3730f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick */ 3740f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick const char *function_name() const; 3750f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 3760f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick /** 377df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * Get a handle to the function for which this is a signature 378df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 379df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * There is no setter function, this function returns a \c const pointer, 380df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * and \c ir_function_signature::_function is private for a reason. The 381df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * only way to make a connection between a function and function signature 382df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * is via \c ir_function::add_signature. This helps ensure that certain 383df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * invariants (i.e., a function signature is in the list of signatures for 384df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * its \c _function) are met. 385df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 386df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * \sa ir_function::add_signature 387df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick */ 388df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick inline const class ir_function *function() const 389df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick { 390df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function; 391df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick } 392df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick 393df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick /** 394abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * Check whether the qualifiers match between this signature's parameters 395abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * and the supplied parameter list. If not, returns the name of the first 396abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * parameter with mismatched qualifiers (for use in error messages). 397abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke */ 398abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke const char *qualifiers_match(exec_list *params); 399abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke 400abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke /** 401bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * Replace the current parameter list with the given one. This is useful 402bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * if the current information came from a prototype, and either has invalid 403bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * or missing parameter names. 404bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke */ 405bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke void replace_parameters(exec_list *new_params); 406bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke 407bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke /** 408a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Function return type. 409a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 410a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \note This discards the optional precision qualifier. 411a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 412a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *return_type; 413a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 414a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 415f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_variable of function parameters. 416f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * 417f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * This represents the storage. The paramaters passed in a particular 418f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * call will be in ir_call::actual_paramaters. 419a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 4200044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list parameters; 421a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 4229fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke /** Whether or not this function has a body (which may be empty). */ 4239fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke unsigned is_defined:1; 4246a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 425f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke /** Whether or not this function signature is a built-in. */ 426f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke unsigned is_builtin:1; 427f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke 428894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /** Body of instructions in the function. */ 429894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt struct exec_list body; 430894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt 4316a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanickprivate: 4326a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick /** Function of which this signature is one overload. */ 433df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick class ir_function *_function; 4346a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 4356a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick friend class ir_function; 436a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 437a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 438a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 439a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 4409fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Header for tracking multiple overloaded functions with the same name. 4419fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Contains a list of ir_function_signatures representing each of the 4429fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * actual functions. 443a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 444a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function : public ir_instruction { 445a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 446882dad75408fc4071a9dd700309f9e54f6ad2650Ian Romanick ir_function(const char *name); 447a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 4488273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const; 4494b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 4506202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual ir_function *as_function() 4516202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke { 4526202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke return this; 4536202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke } 4546202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke 45578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 45678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 45778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 45878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 45978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 4608895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4618895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 4626a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick void add_signature(ir_function_signature *sig) 4636a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick { 464df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick sig->_function = this; 465df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick this->signatures.push_tail(sig); 4666a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick } 4676a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 468a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 46995cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick * Get an iterator for the set of function signatures 47095cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick */ 47195cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick exec_list_iterator iterator() 47295cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick { 47395cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick return signatures.iterator(); 47495cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick } 47595cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick 47695cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick /** 4770d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that matches a set of actual parameters, taking implicit 4780d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * conversions into account. 479471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 480b95897b89d36a25c237a021c299a4eb295856476Ian Romanick ir_function_signature *matching_signature(const exec_list *actual_param); 481471471f83471481db0445e73f8c89e6a9149838eIan Romanick 482471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 4830d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that exactly matches a set of actual parameters without 4840d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * any implicit type conversions. 4850d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke */ 486b95897b89d36a25c237a021c299a4eb295856476Ian Romanick ir_function_signature *exact_matching_signature(const exec_list *actual_ps); 4870d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke 4880d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke /** 489a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Name of the function. 490a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 491a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 492a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 49381f03393982c29f8f4165b5629c8e8fb708b97a3Kenneth Graunke /** Whether or not this function has a signature that isn't a built-in. */ 49481f03393982c29f8f4165b5629c8e8fb708b97a3Kenneth Graunke bool has_user_signature(); 495b6f15869b324ae64a00d0fe46fa3c8c62c1edb6cKenneth Graunke 496471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 497f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_function_signature for each overloaded function with this name. 498471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 4990044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list signatures; 500a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 5010f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 5020f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanickinline const char *ir_function_signature::function_name() const 5030f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick{ 504df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function->name; 5050f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick} 506a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@}*/ 507a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 508a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5093c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick/** 5103c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick * IR instruction representing high-level if-statements 5113c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick */ 5123c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickclass ir_if : public ir_instruction { 5133c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickpublic: 5143c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_if(ir_rvalue *condition) 5153c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick : condition(condition) 5163c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 517d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_if; 5183c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 5193c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 5208273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const; 5214b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 5225ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual ir_if *as_if() 5235ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt { 5245ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt return this; 5255ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt } 5265ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt 5273c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick virtual void accept(ir_visitor *v) 5283c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 5293c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick v->visit(this); 5303c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 5313c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 5328895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 5338895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 5343c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_rvalue *condition; 535f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the then branch */ 5363c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list then_instructions; 537f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the else branch */ 5383c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list else_instructions; 5393c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick}; 5403c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 5413c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 542fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick/** 543fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * IR instruction representing a high-level loop structure. 544fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 545fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickclass ir_loop : public ir_instruction { 546fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickpublic: 5473b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_loop(); 548fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 5498273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_loop *clone(void *mem_ctx, struct hash_table *ht) const; 5504b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 551fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick virtual void accept(ir_visitor *v) 552fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 553fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick v->visit(this); 554fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 555fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 5568895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 5578895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 55801f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual ir_loop *as_loop() 55901f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick { 56001f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick return this; 56101f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick } 56201f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick 563fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 564fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * Get an iterator for the instructions of the loop body 565fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 566fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list_iterator iterator() 567fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 568fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick return body_instructions.iterator(); 569fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 570fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 571f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction that make up the body of the loop. */ 572fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list body_instructions; 573fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 574fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 575fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * \name Loop counter and controls 5763b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 5773b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * Represents a loop like a FORTRAN \c do-loop. 5783b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 5793b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * \note 5803b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * If \c from and \c to are the same value, the loop will execute once. 581fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 582fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@{*/ 5833b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_rvalue *from; /** Value of the loop counter on the first 5843b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * iteration of the loop. 5853b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 5863b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_rvalue *to; /** Value of the loop counter on the last 5873b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * iteration of the loop. 5883b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 589fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *increment; 590fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_variable *counter; 5913b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick 5923b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick /** 5933b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * Comparison operation in the loop terminator. 5943b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 5953b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * If any of the loop control fields are non-\c NULL, this field must be 5963b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal, 5973b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal. 5983b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 5993b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick int cmp; 600fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@}*/ 601fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick}; 602fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 603fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 6043c033637de7def553559c11d037f2e8bbb750f77Kenneth Graunkeclass ir_assignment : public ir_instruction { 605a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 606fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); 607a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 6085a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 6095a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Construct an assignment with an explicit write mask 6105a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6115a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * \note 6125a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Since a write mask is supplied, the LHS must already be a bare 6135a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * \c ir_dereference. The cannot be any swizzles in the LHS. 6145a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 6155a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, ir_rvalue *condition, 6165a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick unsigned write_mask); 6175a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 6188273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_assignment *clone(void *mem_ctx, struct hash_table *ht) const; 6194b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 620fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 621fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 62278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 62378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 62478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 62578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 62678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 6278895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6288895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 629cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_assignment * as_assignment() 630cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 631cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 632cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 633cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 634a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 6355a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Get a whole variable written by an assignment 6365a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6375a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * If the LHS of the assignment writes a whole variable, the variable is 6385a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * returned. Otherwise \c NULL is returned. Examples of whole-variable 6395a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * assignment are: 6405a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6415a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Assigning to a scalar 6425a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Assigning to all components of a vector 6435a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Whole array (or matrix) assignment 6445a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Whole structure assignment 6455a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 6465a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_variable *whole_variable_written(); 6475a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 6485a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 6495a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Set the LHS of an assignment 6505a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 6515a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick void set_lhs(ir_rvalue *lhs); 6525a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 6535a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 654a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Left-hand side of the assignment. 6555a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6565a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * This should be treated as read only. If you need to set the LHS of an 6575a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * assignment, use \c ir_assignment::set_lhs. 658a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 6595a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_dereference *lhs; 660a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 661a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 662a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value being assigned 663a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 664fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *rhs; 665a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 666a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 667a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Optional condition for the assignment. 668a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 669fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *condition; 6705a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 6715a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 6725a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 6735a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Component mask written 6745a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6755a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * For non-vector types in the LHS, this field will be zero. For vector 6765a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * types, a bit will be set for each component that is written. Note that 6775a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * for \c vec2 and \c vec3 types only the lower bits will ever be set. 678b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 679b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * A partially-set write mask means that each enabled channel gets 680b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * the value from a consecutive channel of the rhs. For example, 681b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * to write just .xyw of gl_FrontColor with color: 682b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 683b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (assign (constant bool (1)) (xyw) 684b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (var_ref gl_FragColor) 685b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (swiz xyw (var_ref color))) 6865a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 6875a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick unsigned write_mask:4; 688a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 689a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 6903b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke/* Update ir_expression::num_operands() and operator_strs when 691160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt * updating this list. 6923b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 693a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_expression_operation { 694a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_bit_not, 695a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_logic_not, 696a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_neg, 697a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_abs, 698a4b7b5a654ca810e296bb0cca1b27b8847f5548aKenneth Graunke ir_unop_sign, 699a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rcp, 700a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rsq, 70144d68fd06ff8b53fc70a9a07c897dda9b3457ef8Eric Anholt ir_unop_sqrt, 702bc4034b243975089c06c4415d4e26edaaaec7a46Eric Anholt ir_unop_exp, /**< Log base e on gentype */ 703bc4034b243975089c06c4415d4e26edaaaec7a46Eric Anholt ir_unop_log, /**< Natural log on gentype */ 70401665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_exp2, 70501665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_log2, 706a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_f2i, /**< Float-to-integer conversion. */ 707a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_i2f, /**< Integer-to-float conversion. */ 708dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_f2b, /**< Float-to-boolean conversion */ 709dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_b2f, /**< Boolean-to-float conversion */ 710c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_i2b, /**< int-to-boolean conversion */ 711c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_b2i, /**< Boolean-to-int conversion */ 7126c86ea8adc095abeef7b3cd63d3321185542bf36Ian Romanick ir_unop_u2f, /**< Unsigned-to-float conversion. */ 7135e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt ir_unop_any, 714a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 715a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 716a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Unary floating-point rounding operations. 717a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 718a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 719a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_trunc, 720a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_ceil, 721a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_floor, 722d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt ir_unop_fract, 723d85d25dd1f4fd281bd210ba6ba5135ba1e3b535fKenneth Graunke ir_unop_round_even, 724a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 725a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 72657e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /** 72757e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke * \name Trigonometric operations. 72857e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke */ 72957e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@{*/ 73057e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_sin, 73157e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_cos, 73257e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@}*/ 73357e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke 734b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /** 735b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke * \name Partial derivatives. 736b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke */ 737b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@{*/ 738b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdx, 739b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdy, 740b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@}*/ 741b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke 7423a5ce85cfa4914711e56c8cf831699242618928eIan Romanick ir_unop_noise, 7433a5ce85cfa4914711e56c8cf831699242618928eIan Romanick 744007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 745007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of the unary operations. 746007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 747007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_unop = ir_unop_noise, 748007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 749a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_add, 750a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_sub, 751a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mul, 752a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_div, 7538a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt 7548a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt /** 7558a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Takes one of two combinations of arguments: 7568a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 7578a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, vecN) 7588a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, float) 7598a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 7608a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Does not take integer types. 7618a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt */ 762a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mod, 763a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 764a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 76514eea268284491d64ff92b37723bff1e9ff14b40Kenneth Graunke * \name Binary comparison operators which return a boolean vector. 76614eea268284491d64ff92b37723bff1e9ff14b40Kenneth Graunke * The type of both operands must be equal. 767a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 768a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 769a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_less, 770a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_greater, 771a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lequal, 772a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_gequal, 7734dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_equal, 7744dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_nequal, 775832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt /** 776832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * Returns single boolean for whether all components of operands[0] 777832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * equal the components of operands[1]. 778832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt */ 7794dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_all_equal, 780832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt /** 781832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * Returns single boolean for whether any component of operands[0] 782832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * is not equal to the corresponding component of operands[1]. 783832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt */ 7844dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_any_nequal, 785a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 786a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 787a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 788a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Bit-wise binary operations. 789a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 790a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 791a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lshift, 792a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_rshift, 793a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_and, 794a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_xor, 795a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_or, 796a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 797a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 798a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_and, 799a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_xor, 800a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_or, 801a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 802a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_dot, 803a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_min, 804a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_max, 805a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 806007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_binop_pow, 807007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 808007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 809007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of the binary operations. 810007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 811007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_binop = ir_binop_pow, 812007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 813007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 814007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of all operations. 815007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 816007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_opcode = ir_last_binop 817a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 818a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 819fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_expression : public ir_rvalue { 820a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 821a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression(int op, const struct glsl_type *type, 822fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *, ir_rvalue *); 823a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 8246d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual ir_expression *as_expression() 8256d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt { 8266d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt return this; 8276d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt } 8286d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt 8298273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const; 8304b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 831e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 832e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Attempt to constant-fold the expression 833e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 834e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * If the expression cannot be constant folded, this method will return 835e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c NULL. 836e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 837fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 838fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 839e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 840e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Determine the number of operands used by an expression 841e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 8427dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke static unsigned int get_num_operands(ir_expression_operation); 843e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 844e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 845e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Determine the number of operands used by an expression 846e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 8474b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt unsigned int get_num_operands() const 8487dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke { 8497dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke return get_num_operands(operation); 8507dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke } 851160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt 8523b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 8533b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Return a string representing this expression's operator. 8543b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 8553b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke const char *operator_string(); 8563b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 8573b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 858351525d534268b08c090f9ce42a67e9329a969aeIan Romanick * Return a string representing this expression's operator. 859351525d534268b08c090f9ce42a67e9329a969aeIan Romanick */ 860351525d534268b08c090f9ce42a67e9329a969aeIan Romanick static const char *operator_string(ir_expression_operation); 861351525d534268b08c090f9ce42a67e9329a969aeIan Romanick 862351525d534268b08c090f9ce42a67e9329a969aeIan Romanick 863351525d534268b08c090f9ce42a67e9329a969aeIan Romanick /** 8643b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Do a reverse-lookup to translate the given string into an operator. 8653b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 8663b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke static ir_expression_operation get_operator(const char *); 8673b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 86878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 86978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 87078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 87178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 87278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 8738895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 8748895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 875a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression_operation operation; 876fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *operands[2]; 877a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 878a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 879a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 880ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick/** 881ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * IR instruction representing a function call 882ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 883fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_call : public ir_rvalue { 884ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickpublic: 8851f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_call(ir_function_signature *callee, exec_list *actual_parameters) 886b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(callee) 887ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 888d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_call; 8899e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick assert(callee->return_type != NULL); 8909e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick type = callee->return_type; 891471471f83471481db0445e73f8c89e6a9149838eIan Romanick actual_parameters->move_nodes_to(& this->actual_parameters); 892ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 893ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 8948273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_call *clone(void *mem_ctx, struct hash_table *ht) const; 8954b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 896fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 897fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 898cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_call *as_call() 899cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 900cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 901cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 902cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 903ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick virtual void accept(ir_visitor *v) 904ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 905ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick v->visit(this); 906ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 907ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 9088895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 9098895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 910ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick /** 911ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * Get a generic ir_call object when an error occurs 912e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * 913e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * Any allocation will be performed with 'ctx' as talloc owner. 914ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 915e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth static ir_call *get_error_instruction(void *ctx); 916ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 9179878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick /** 9189878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick * Get an iterator for the set of acutal parameters 9199878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick */ 9209878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick exec_list_iterator iterator() 9219878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick { 9229878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick return actual_parameters.iterator(); 9239878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick } 9249878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick 92593614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick /** 92693614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick * Get the name of the function being called. 92793614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick */ 92893614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick const char *callee_name() const 92993614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick { 9300f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick return callee->function_name(); 93193614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick } 93293614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick 933e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 934e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Get the function signature bound to this function call 935e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 9361f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *get_callee() 937cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 938cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return callee; 939cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 940cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 941cad9766118d269725ef33b4e9588d674d5225010Eric Anholt /** 942792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick * Set the function call target 943792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick */ 9441f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt void set_callee(ir_function_signature *sig); 945792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick 946792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick /** 947cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * Generates an inline version of the function before @ir, 948cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * returning the return value of the function. 949cad9766118d269725ef33b4e9588d674d5225010Eric Anholt */ 950cad9766118d269725ef33b4e9588d674d5225010Eric Anholt ir_rvalue *generate_inline(ir_instruction *ir); 951cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 952a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick /* List of ir_rvalue of paramaters passed in this call. */ 953a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick exec_list actual_parameters; 954a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick 955ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickprivate: 956471471f83471481db0445e73f8c89e6a9149838eIan Romanick ir_call() 957b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(NULL) 958471471f83471481db0445e73f8c89e6a9149838eIan Romanick { 959d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_call; 960471471f83471481db0445e73f8c89e6a9149838eIan Romanick } 961471471f83471481db0445e73f8c89e6a9149838eIan Romanick 9621f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *callee; 963ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick}; 964ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 965ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 9669578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/** 9679578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * \name Jump-like IR instructions. 9689578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * 9699578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * These include \c break, \c continue, \c return, and \c discard. 9709578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick */ 9719578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@{*/ 9729578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_jump : public ir_instruction { 9739578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickprotected: 9749578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_jump() 9759578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 976d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 9779578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 9789578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 9799578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 9809578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_return : public ir_jump { 9819578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickpublic: 9829578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_return() 9839578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(NULL) 9849578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 985d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 9869578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 9879578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 988fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_return(ir_rvalue *value) 9899578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(value) 9909578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 991d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 9929578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 9939578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 9948273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_return *clone(void *mem_ctx, struct hash_table *) const; 9954b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 996cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_return *as_return() 997cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 998cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 999cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 1000cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1001fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *get_value() const 10029578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 10039578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick return value; 10049578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10059578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10069578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick virtual void accept(ir_visitor *v) 10079578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 10089578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick v->visit(this); 10099578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10109578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10118895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 10128895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1013fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *value; 10149578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 1015f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1016f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1017f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick/** 1018f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * Jump instructions used inside loops 1019f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 1020f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * These include \c break and \c continue. The \c break within a loop is 1021f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * different from the \c break within a switch-statement. 1022f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 1023f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * \sa ir_switch_jump 1024f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick */ 1025f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickclass ir_loop_jump : public ir_jump { 1026f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickpublic: 1027f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode { 1028f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_break, 1029f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_continue 1030f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick }; 1031f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 10324b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt ir_loop_jump(jump_mode mode) 1033f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1034d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_loop_jump; 10350c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->mode = mode; 10360c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->loop = loop; 1037f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1038f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 10398273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_loop_jump *clone(void *mem_ctx, struct hash_table *) const; 10404b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1041f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick virtual void accept(ir_visitor *v) 1042f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1043f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick v->visit(this); 1044f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1045f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 10468895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 10478895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1048f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_break() const 1049f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1050f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_break; 1051f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1052f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1053f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_continue() const 1054f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1055f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_continue; 1056f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1057f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1058f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick /** Mode selector for the jump instruction. */ 1059f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode mode; 10600c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholtprivate: 10610c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt /** Loop containing this break instruction. */ 10620c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt ir_loop *loop; 1063f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick}; 106416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 106516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke/** 106616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke * IR instruction representing discard statements. 106716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke */ 106816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkeclass ir_discard : public ir_jump { 106916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkepublic: 107016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard() 107116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 1072d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_discard; 107316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = NULL; 107416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 107516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 107616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard(ir_rvalue *cond) 107716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 107884ee01f40acf88185484df386b7715034e7685c9Aras Pranckevicius this->ir_type = ir_type_discard; 107916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = cond; 108016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 108116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 10828273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_discard *clone(void *mem_ctx, struct hash_table *ht) const; 108316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 108416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual void accept(ir_visitor *v) 108516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 108616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke v->visit(this); 108716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 108816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 108916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 109016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 109116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_rvalue *condition; 109216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke}; 10939578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@}*/ 10949578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10959578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 109681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 109781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texture sampling opcodes used in ir_texture 109881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 109981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickenum ir_texture_opcode { 1100e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_tex, /**< Regular texture look-up */ 1101e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txb, /**< Texture look-up with LOD bias */ 1102e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txl, /**< Texture look-up with explicit LOD */ 1103e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txd, /**< Texture look-up with partial derivatvies */ 1104e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txf /**< Texel fetch with explicit LOD */ 110581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 110681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 110781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 110881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 110981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * IR instruction to sample a texture 111081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 111181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * The specific form of the IR instruction depends on the \c mode value 111281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * selected from \c ir_texture_opcodes. In the printed IR, these will 111381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * appear as: 111481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 111581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texel offset 111681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | Projection divisor 111781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | | Shadow comparitor 111881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | | | 111981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * v v v 112081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (tex (sampler) (coordinate) (0 0 0) (1) ( )) 112181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txb (sampler) (coordinate) (0 0 0) (1) ( ) (bias)) 112281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txl (sampler) (coordinate) (0 0 0) (1) ( ) (lod)) 112381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txd (sampler) (coordinate) (0 0 0) (1) ( ) (dPdx dPdy)) 112481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txf (sampler) (coordinate) (0 0 0) (lod)) 112581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 112681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickclass ir_texture : public ir_rvalue { 112781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickpublic: 112881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_texture(enum ir_texture_opcode op) 1129b97efa5db5fce2e0d9a4c61a939c85b240c89170Kenneth Graunke : op(op), projector(NULL), shadow_comparitor(NULL) 113081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick { 1131d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_texture; 113281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } 113381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 11348273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_texture *clone(void *mem_ctx, struct hash_table *) const; 11354b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1136fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1137fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 113826d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual void accept(ir_visitor *v) 113926d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke { 114026d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke v->visit(this); 114126d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke } 114226d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 114326d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 114426d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 1145c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 1146c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Return a string representing the ir_texture_opcode. 1147c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 1148c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke const char *opcode_string(); 1149c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 115056d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke /** Set the sampler and infer the type. */ 115156d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke void set_sampler(ir_dereference *sampler); 115256d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke 1153c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 1154c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Do a reverse-lookup to translate a string into an ir_texture_opcode. 1155c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 1156c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke static ir_texture_opcode get_opcode(const char *); 1157c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 115881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick enum ir_texture_opcode op; 115981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 116081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Sampler to use for the texture access. */ 116181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_dereference *sampler; 116281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 116381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Texture coordinate to sample */ 116481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *coordinate; 116581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 116681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 116781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Value used for projective divide. 116881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 116981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no projective divide (the common case), this will be 117081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c NULL. Optimization passes should check for this to point to a constant 117181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * of 1.0 and replace that with \c NULL. 117281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 117381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *projector; 117481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 117581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 117681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Coordinate used for comparison on shadow look-ups. 117781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 117881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no shadow comparison, this will be \c NULL. For the 117981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c ir_txf opcode, this *must* be \c NULL. 118081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 118181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *shadow_comparitor; 118281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 118381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Explicit texel offsets. */ 118481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick signed char offsets[3]; 118581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 118681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick union { 118781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *lod; /**< Floating point LOD */ 118881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *bias; /**< Floating point LOD bias */ 118981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick struct { 119081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ 119181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ 119281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } grad; 119381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } lod_info; 119481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 119581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 119681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 1197a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickstruct ir_swizzle_mask { 1198a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned x:2; 1199a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned y:2; 1200a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned z:2; 1201a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned w:2; 1202a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1203a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1204a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Number of components in the swizzle. 1205a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1206f25a5ad93961c335b56d4f0508cc5c00b77ee519Kenneth Graunke unsigned num_components:3; 1207a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1208a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1209a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Does the swizzle contain duplicate components? 1210a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1211a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * L-value swizzles cannot contain duplicate components. 1212a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1213a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned has_duplicates:1; 1214a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1215a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1216affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1217affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkeclass ir_swizzle : public ir_rvalue { 1218affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkepublic: 1219affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, 1220affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke unsigned count); 12216315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 12226315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); 12236315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 122405a4e59c2410292f595cfe0cc552a86ae69b20d2Eric Anholt ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); 1225cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 12268273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_swizzle *clone(void *mem_ctx, struct hash_table *) const; 12274b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1228fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1229fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 12307d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual ir_swizzle *as_swizzle() 12317d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt { 12327d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt return this; 12337d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt } 12347d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt 1235affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke /** 1236affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke * Construct an ir_swizzle from the textual representation. Can fail. 1237affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke */ 1238affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); 1239affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1240affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke virtual void accept(ir_visitor *v) 1241affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1242affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke v->visit(this); 1243affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1244affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 12458895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 12468895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1247affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke bool is_lvalue() 1248affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1249a9fafc6504ebccdc0fee3d2529c3fe6068cc86b8Eric Anholt return val->is_lvalue() && !mask.has_duplicates; 1250affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1251affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 12522b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 12532b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 12542b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 12552b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced(); 12562b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 1257affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_rvalue *val; 1258affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle_mask mask; 12596315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 12606315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanickprivate: 12616315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick /** 12626315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * Initialize the mask component of a swizzle 12636315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * 12646315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * This is used by the \c ir_swizzle constructors. 12656315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick */ 12666315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick void init_mask(const unsigned *components, unsigned count); 1267affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke}; 1268affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1269affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1270fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_dereference : public ir_rvalue { 1271a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 12728273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0; 1273ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 127444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_dereference *as_dereference() 127544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 127644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 127744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 127844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 1279c7da28b4beb3a593f49a6c01a90b123584b421e8Eric Anholt bool is_lvalue(); 1280fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 12812b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 12822b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 12832b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 128470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() = 0; 128570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 128670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 128770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 128870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_variable : public ir_dereference { 128970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 129070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_variable(ir_variable *var); 129170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 12928273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_variable *clone(void *mem_ctx, 12938273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 12944b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1295fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1296fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1297d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual ir_dereference_variable *as_dereference_variable() 1298d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt { 1299d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt return this; 1300d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 1301d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 130270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 130370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 130470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 130570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 130670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 130736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->var; 130870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1309f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1310b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 1311b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 1312b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /* ir_dereference_variable objects always dereference the entire 1313b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * variable. However, if this dereference is dereferenced by anything 1314b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * else, the complete deferefernce chain is not a whole-variable 1315b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * dereference. This method should only be called on the top most 1316b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * ir_rvalue in a dereference chain. 1317b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 1318b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return this->var; 1319b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 1320b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 1321c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1322c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1323c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1324c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1325c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1326f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 132736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 132836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick /** 132936ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick * Object being dereferenced. 133036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick */ 133136ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_variable *var; 133270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 133370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 133470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 133570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_array : public ir_dereference { 133670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 133770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); 133870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 133970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_variable *var, ir_rvalue *array_index); 134070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 13418273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_array *clone(void *mem_ctx, 13428273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 13434b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1344fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1345fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1346b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual ir_dereference_array *as_dereference_array() 1347b145e903694fa932ab1e0d955e889555193ab604Eric Anholt { 1348b145e903694fa932ab1e0d955e889555193ab604Eric Anholt return this; 1349b145e903694fa932ab1e0d955e889555193ab604Eric Anholt } 1350b145e903694fa932ab1e0d955e889555193ab604Eric Anholt 135170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 135270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 135370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 135470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 135570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 135636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->array->variable_referenced(); 135770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 135870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1359c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1360c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1361c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1362c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1363c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1364f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 136570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 136636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array; 136736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array_index; 136836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 136970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickprivate: 137070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick void set_array(ir_rvalue *value); 137170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 137270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 137370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 137470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_record : public ir_dereference { 137570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 137670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_rvalue *value, const char *field); 137770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 137870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_variable *var, const char *field); 137970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 13808273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_record *clone(void *mem_ctx, 13818273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 13824b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1383fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1384fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 138570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 138670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 138770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 138870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 138970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 139036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->record->variable_referenced(); 139170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1392f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1393c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1394c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1395c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1396c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1397c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1398f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 139936ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 140036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *record; 140136ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick const char *field; 1402a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1403a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1404a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1405be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick/** 1406be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick * Data stored in an ir_constant 1407be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick */ 1408be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanickunion ir_constant_data { 1409be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick unsigned u[16]; 1410be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick int i[16]; 1411be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick float f[16]; 1412be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick bool b[16]; 1413be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick}; 1414be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1415be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1416fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_constant : public ir_rvalue { 1417a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1418824b659d917a5f14a1f66b891d25036ef9f9adc6Ian Romanick ir_constant(const struct glsl_type *type, const ir_constant_data *data); 14193c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(bool b); 14203c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(unsigned int u); 14213c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(int i); 14223c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(float f); 1423a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1424989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick /** 1425756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick * Construct an ir_constant from a list of ir_constant values 1426756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick */ 1427756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick ir_constant(const struct glsl_type *type, exec_list *values); 1428756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick 1429756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick /** 1430989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * Construct an ir_constant from a scalar component of another ir_constant 1431989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1432989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * The new \c ir_constant inherits the type of the component from the 1433989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * source constant. 1434989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1435989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * \note 1436989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * In the case of a matrix constant, the new constant is a scalar, \b not 1437989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * a vector. 1438989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick */ 1439989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick ir_constant(const ir_constant *c, unsigned i); 1440989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick 1441ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke /** 1442ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke * Return a new ir_constant of the specified type containing all zeros. 1443ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke */ 1444ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke static ir_constant *zero(void *mem_ctx, const glsl_type *type); 1445ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke 14468273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_constant *clone(void *mem_ctx, struct hash_table *) const; 14474b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1448fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1449fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 14505c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual ir_constant *as_constant() 14515c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt { 14525c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt return this; 14535c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt } 14545c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt 145578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 145678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 145778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 145878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 145978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 14608895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 14618895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1462a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 146331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * Get a particular component of a constant as a specific type 146431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * 146531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * This is useful, for example, to get a value from an integer constant 146631881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * as a float or bool. This appears frequently when constructors are 146731881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * called with all constant parameters. 146831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick */ 146931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@{*/ 147031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick bool get_bool_component(unsigned i) const; 147131881908ebc11d84c2ff1821410c91340686aa17Ian Romanick float get_float_component(unsigned i) const; 147231881908ebc11d84c2ff1821410c91340686aa17Ian Romanick int get_int_component(unsigned i) const; 147331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick unsigned get_uint_component(unsigned i) const; 147431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@}*/ 147531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick 147674e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke ir_constant *get_array_element(unsigned i) const; 147774e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke 1478b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick ir_constant *get_record_field(const char *name); 1479b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick 148031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /** 14811e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick * Determine whether a constant has the same value as another constant 148238e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick * 148338e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick * \sa ir_constant::is_zero, ir_constant::is_one 14841e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick */ 14851e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick bool has_value(const ir_constant *) const; 14861e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick 1487ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_zero() const; 1488ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_one() const; 148938e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick 149038e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick /** 1491a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value of the constant. 1492a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1493a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The field used to back the values supplied by the constant is determined 1494a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * by the type associated with the \c ir_instruction. Constants may be 1495a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * scalars, vectors, or matrices. 1496a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1497be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick union ir_constant_data value; 14987f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick 149974e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke /* Array elements */ 150074e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke ir_constant **array_elements; 150174e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke 150274e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke /* Structure fields */ 15037f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick exec_list components; 1504710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick 1505710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanickprivate: 1506710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick /** 1507710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick * Parameterless constructor only used by the clone method 1508710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick */ 1509710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick ir_constant(void); 1510a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1511a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1512e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/*@}*/ 1513e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 1514e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 1515e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Apply a visitor to each IR node in a list 1516e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 151770b74928a220aff024664714877defb0caedf33fEric Anholtvoid 151870b74928a220aff024664714877defb0caedf33fEric Anholtvisit_exec_list(exec_list *list, ir_visitor *visitor); 1519adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick 1520e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 1521e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Validate invariants on each IR node in a list 1522e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 152353cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholtvoid validate_ir_tree(exec_list *instructions); 152453cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholt 1525f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick/** 1526f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * Make a clone of each IR instruction in a list 1527f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * 1528f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param in List of IR instructions that are to be cloned 1529f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param out List to hold the cloned instructions 1530f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick */ 1531f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickvoid 15328273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholtclone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in); 1533f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick 1534adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanickextern void 1535adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick_mesa_glsl_initialize_variables(exec_list *instructions, 1536adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick struct _mesa_glsl_parse_state *state); 1537e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 1538c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholtextern void 1539c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt_mesa_glsl_initialize_functions(exec_list *instructions, 1540c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt struct _mesa_glsl_parse_state *state); 1541c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt 154260e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanickextern void 1543d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick_mesa_glsl_release_functions(void); 1544d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick 1545d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanickextern void 154660e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanickreparent_ir(exec_list *list, void *mem_ctx); 154760e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanick 15481cbcf6693aa490c4dcb56712bfb9998deb270f08José Fonsecastruct glsl_symbol_table; 15494ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanick 15504ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanickextern void 15514ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanickimport_prototypes(const exec_list *source, exec_list *dest, 15521cbcf6693aa490c4dcb56712bfb9998deb270f08José Fonseca struct glsl_symbol_table *symbols, void *mem_ctx); 15534ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanick 15549f82806c7b5109553cf806a5652e6b6198665094Eric Anholtextern bool 15559f82806c7b5109553cf806a5652e6b6198665094Eric Anholtir_has_call(ir_instruction *ir); 15569f82806c7b5109553cf806a5652e6b6198665094Eric Anholt 1557925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholtextern void 1558925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholtdo_set_program_inouts(exec_list *instructions, struct gl_program *prog); 1559925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt 1560e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#endif /* IR_H */ 1561