ir.h revision 819d57fce94b20fa0d34da6f037f0a53c4a5bdc2
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 32d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke#include "ralloc.h" 3311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick#include "glsl_types.h" 340044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick#include "list.h" 3578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick#include "ir_visitor.h" 368895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick#include "ir_hierarchical_visitor.h" 370044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick 38e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 39e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \defgroup IR Intermediate representation nodes 40e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 41e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * @{ 42e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 43e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 44e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 45e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Class tags 46e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 47e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Each concrete class derived from \c ir_instruction has a value in this 48e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * enumerant. The value for the type is stored in \c ir_instruction::ir_type 49e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * by the constructor. While using type tags is not very C++, it is extremely 50e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * convenient. For example, during debugging you can simply inspect 51e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type to find out the actual type of the object. 52e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 53e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * In addition, it is possible to use a switch-statement based on \c 54e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type to select different behavior for different object 55e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * types. For functions that have only slight differences for several object 56e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * types, this allows writing very straightforward, readable code. 57e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 58d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholtenum ir_node_type { 59e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 60e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Zero is unused so that the IR validator can detect cases where 61e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type has not been initialized. 62e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 63d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_unset, 64d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_variable, 65d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_assignment, 66d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_call, 67d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_constant, 68d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_array, 69d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_record, 70d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_variable, 71d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_discard, 72d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_expression, 73d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function, 74d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function_signature, 75d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_if, 76d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop, 77d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop_jump, 78d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_return, 79d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_swizzle, 80d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_texture, 816dc89d221d43fad5f3edbb903997160af071bec0Brian Paul ir_type_max /**< maximum ir_type enum number, for validation */ 82d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt}; 83d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt 84a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 85a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Base class of all IR instructions 86a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 870044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanickclass ir_instruction : public exec_node { 88a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 89d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt enum ir_node_type ir_type; 90a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *type; 91a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 92e46a454305af64710ce8deadafc718f75363ac7eEric Anholt /** ir_print_visitor helper for debugging. */ 934b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt void print(void) const; 94e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 9578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *) = 0; 968895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; 978273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_instruction *clone(void *mem_ctx, 988273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *ht) const = 0; 9978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 10044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /** 10144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \name IR instruction downcast functions 10244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * 10344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * These functions either cast the object to a derived class or return 10444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \c NULL if the object's type does not match the specified derived class. 10544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * Additional downcast functions will be added as needed. 10644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke */ 10744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@{*/ 10844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_variable * as_variable() { return NULL; } 1096202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual class ir_function * as_function() { return NULL; } 11044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_dereference * as_dereference() { return NULL; } 111b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual class ir_dereference_array * as_dereference_array() { return NULL; } 112d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } 1136d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual class ir_expression * as_expression() { return NULL; } 114fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual class ir_rvalue * as_rvalue() { return NULL; } 11501f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual class ir_loop * as_loop() { return NULL; } 116cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_assignment * as_assignment() { return NULL; } 117cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_call * as_call() { return NULL; } 118cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_return * as_return() { return NULL; } 1195ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual class ir_if * as_if() { return NULL; } 1207d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual class ir_swizzle * as_swizzle() { return NULL; } 1215c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual class ir_constant * as_constant() { return NULL; } 1221eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke virtual class ir_discard * as_discard() { return NULL; } 12344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@}*/ 12444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 125a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickprotected: 12644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke ir_instruction() 127d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick { 128d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 1290a89175a35ba3ac2a94d0ba9bcc9926edc8927e3Kenneth Graunke type = NULL; 130d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick } 131a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 132a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 133a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 134fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_rvalue : public ir_instruction { 135fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkepublic: 1368273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const = 0; 137ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 138fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value() = 0; 139fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 140fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual ir_rvalue * as_rvalue() 141fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 142fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return this; 143fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 144fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 14502939d643f878ce3a3dcd2e7b2c6f035c64ecda7Eric Anholt ir_rvalue *as_rvalue_to_saturate(); 14602939d643f878ce3a3dcd2e7b2c6f035c64ecda7Eric Anholt 147fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual bool is_lvalue() 148fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 149fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return false; 150fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 151fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 1522b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 1532b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 1542b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 1552b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced() 1562b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick { 1572b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick return NULL; 1582b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick } 1592b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 160b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 161b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /** 162b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * If an r-value is a reference to a whole variable, get that variable 163b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * 164b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * \return 165b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * Pointer to a variable that is completely dereferenced by the r-value. If 166b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * the r-value is not a dereference or the dereference does not access the 167b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * entire variable (i.e., it's just one array element, struct field), \c NULL 168b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * is returned. 169b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 170b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 171b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 172b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return NULL; 173b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 174b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 175ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick /** 176ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * Determine if an r-value has the value zero 177ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 178ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * The base implementation of this function always returns \c false. The 179ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \c ir_constant class over-rides this function to return \c true \b only 180ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * for vector and scalar types that have all elements set to the value 181ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * zero (or \c false for booleans). 182ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 1838e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \sa ir_constant::has_value, ir_rvalue::is_one, ir_rvalue::is_negative_one 184ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick */ 185ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_zero() const; 186ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick 187ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick /** 188ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * Determine if an r-value has the value one 189ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 190ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * The base implementation of this function always returns \c false. The 191ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \c ir_constant class over-rides this function to return \c true \b only 192ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * for vector and scalar types that have all elements set to the value 193ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * one (or \c true for booleans). 194ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 1958e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_negative_one 196ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick */ 197ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_one() const; 198ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick 1998e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick /** 2008e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * Determine if an r-value has the value negative one 2018e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * 2028e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * The base implementation of this function always returns \c false. The 2038e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \c ir_constant class over-rides this function to return \c true \b only 2048e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * for vector and scalar types that have all elements set to the value 2058e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * negative one. For boolean times, the result is always \c false. 2068e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * 2078e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one 2088e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick */ 2098e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick virtual bool is_negative_one() const; 2108e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick 211fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeprotected: 2120a89175a35ba3ac2a94d0ba9bcc9926edc8927e3Kenneth Graunke ir_rvalue(); 213fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke}; 214fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 215fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 216e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 217e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Variable storage classes 218e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 219a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_variable_mode { 220e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_var_auto = 0, /**< Function local variables and globals. */ 221e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_var_uniform, /**< Variable declared as a uniform. */ 222a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_in, 223a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_out, 2247e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_var_inout, 225819d57fce94b20fa0d34da6f037f0a53c4a5bdc2Kenneth Graunke ir_var_const_in, /**< "in" param that must be a constant expression */ 2267ce186358e881d1e30eda716a8dea73d2dab2ee9Brian Paul ir_var_system_value, /**< Ex: front-face, instance-id, etc. */ 2277e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_var_temporary /**< Temporary variable generated during compilation. */ 228a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 229a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 230a22426dc4c934673e8f0af5c70a67505a4de7aadCarl Worthenum ir_variable_interpolation { 231a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_smooth = 0, 232a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_flat, 233a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_noperspective 234a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 235a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 2365fc57f471b10e74546f999269a2a8f9186da9731Chad Versace/** 2375fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * \brief Layout qualifiers for gl_FragDepth. 2385fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * 2395fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * The AMD_conservative_depth extension allows gl_FragDepth to be redeclared 2405fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * with a layout qualifier. 2415fc57f471b10e74546f999269a2a8f9186da9731Chad Versace */ 2425fc57f471b10e74546f999269a2a8f9186da9731Chad Versaceenum ir_depth_layout { 2435fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_none, /**< No depth layout is specified. */ 2445fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_any, 2455fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_greater, 2465fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_less, 2475fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_unchanged 2485fc57f471b10e74546f999269a2a8f9186da9731Chad Versace}; 2495fc57f471b10e74546f999269a2a8f9186da9731Chad Versace 2505fc57f471b10e74546f999269a2a8f9186da9731Chad Versace/** 2515fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * \brief Convert depth layout qualifier to string. 2525fc57f471b10e74546f999269a2a8f9186da9731Chad Versace */ 2535fc57f471b10e74546f999269a2a8f9186da9731Chad Versaceconst char* 2545fc57f471b10e74546f999269a2a8f9186da9731Chad Versacedepth_layout_string(ir_depth_layout layout); 255fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 256a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_variable : public ir_instruction { 257a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 2587e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_variable(const struct glsl_type *, const char *, ir_variable_mode); 259a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 2608273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const; 2614b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 26244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_variable *as_variable() 26344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 26444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 26544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 26644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 26778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 26878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 26978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 27078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 27178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 2728895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 2738895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 2742d394d4877794d19756c3760d711524dca89f772Ian Romanick 275950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick /** 276950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * Get the string value for the interpolation qualifier 277950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * 278046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * \return The string that would be used in a shader to specify \c 279046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * mode will be returned. 280046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * 281046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * This function should only be used on a shader input or output variable. 282950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick */ 283950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick const char *interpolation_string() const; 284950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick 2858b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick /** 2868b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * Calculate the number of slots required to hold this variable 2878b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * 2888b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * This is used to determine how many uniform or varying locations a variable 2898b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * occupies. The count is in units of floating point components. 2908b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick */ 2918b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick unsigned component_slots() const; 2928b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick 293e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 294e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Delcared name of the variable 295e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 296a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 297a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 298b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick /** 299b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Highest element accessed with a constant expression array index 300b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * 301b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Not used for non-array variables. 302b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick */ 303b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick unsigned max_array_access; 304b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick 305e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 306e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Is the variable read-only? 307e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 308e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * This is set for variables declared as \c const, shader inputs, 309e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * and uniforms. 310e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 311a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned read_only:1; 312a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned centroid:1; 313a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned invariant:1; 314a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 315e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 316bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * Has this variable been used for reading or writing? 317bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * 318bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * Several GLSL semantic checks require knowledge of whether or not a 319bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * variable has been used. For example, it is an error to redeclare a 320bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * variable as invariant after it has been used. 321bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick */ 322bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick unsigned used:1; 323bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick 324bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick /** 325e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Storage class of the variable. 326e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 327e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \sa ir_variable_mode 328e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 329a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned mode:3; 330e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 331e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 332e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Interpolation mode for shader inputs / outputs 333e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 334e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \sa ir_variable_interpolation 335e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 336a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned interpolation:2; 3379d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick 3389d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick /** 3399d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * Flag that the whole array is assignable 3409d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * 3419d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * In GLSL 1.20 and later whole arrays are assignable (and comparable for 3429d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * equality). This flag enables this behavior. 3439d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick */ 3449d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick unsigned array_lvalue:1; 345326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt 346e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 347e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \name ARB_fragment_coord_conventions 348e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * @{ 349e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 3504a962170d7cf4243d6ae156fca20a6167388925dEric Anholt unsigned origin_upper_left:1; 3514a962170d7cf4243d6ae156fca20a6167388925dEric Anholt unsigned pixel_center_integer:1; 352e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /*@}*/ 3534a962170d7cf4243d6ae156fca20a6167388925dEric Anholt 354326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt /** 355bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace * \brief Layout qualifier for gl_FragDepth. 356bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace * 357bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace * This is not equal to \c ir_depth_layout_none if and only if this 358bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace * variable is \c gl_FragDepth and a layout qualifier is specified. 359bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace */ 360bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace ir_depth_layout depth_layout; 361bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace 362bc04d244f5a86fd7085e3d648949413e2d2ec797Chad Versace /** 363eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * Was the location explicitly set in the shader? 364eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * 365eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * If the location is explicitly set in the shader, it \b cannot be changed 366eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * by the linker or by the API (e.g., calls to \c glBindAttribLocation have 367eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * no effect). 368eee68d3631813580a14fa51fda6f0c959279256cIan Romanick */ 369eee68d3631813580a14fa51fda6f0c959279256cIan Romanick unsigned explicit_location:1; 370eee68d3631813580a14fa51fda6f0c959279256cIan Romanick 371eee68d3631813580a14fa51fda6f0c959279256cIan Romanick /** 37269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * Storage location of the base of this variable 37369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 37469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * The precise meaning of this field depends on the nature of the variable. 37569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 37669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader input: one of the values from \c gl_vert_attrib. 37769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader output: one of the values from \c gl_vert_result. 37869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader input: one of the values from \c gl_frag_attrib. 37969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader output: one of the values from \c gl_frag_result. 38069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Uniforms: Per-stage uniform slot number. 38169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Other: This field is not currently used. 38269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 38369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * If the variable is a uniform, shader input, or shader output, and the 38469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * slot has not been assigned, the value will be -1. 38569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick */ 38669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick int location; 38769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick 38869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick /** 389c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick * Emit a warning if this variable is accessed. 390c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick */ 391c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick const char *warn_extension; 392c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick 393c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick /** 394326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt * Value assigned in the initializer of a variable declared "const" 395326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt */ 396326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt ir_constant *constant_value; 397a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 398a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 399a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 400a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@{*/ 4019fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke/** 4029fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * The representation of a function instance; may be the full definition or 4039fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * simply a prototype. 4049fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke */ 405a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function_signature : public ir_instruction { 406894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /* An ir_function_signature will be part of the list of signatures in 407894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt * an ir_function. 408894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt */ 409a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 410e39cc69fa3cb830b803fe0c4f6c30915aa886b5bIan Romanick ir_function_signature(const glsl_type *return_type); 411a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 4128273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_function_signature *clone(void *mem_ctx, 4138273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *ht) const; 41401a25bb64ecae156729794320f9a39733ff8eeaaKenneth Graunke ir_function_signature *clone_prototype(void *mem_ctx, 41501a25bb64ecae156729794320f9a39733ff8eeaaKenneth Graunke struct hash_table *ht) const; 4164b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 41778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 41878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 41978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 42078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 42178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 4228895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4238895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 424a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 4250f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick * Get the name of the function for which this is a signature 4260f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick */ 4270f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick const char *function_name() const; 4280f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 4290f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick /** 430df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * Get a handle to the function for which this is a signature 431df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 432df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * There is no setter function, this function returns a \c const pointer, 433df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * and \c ir_function_signature::_function is private for a reason. The 434df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * only way to make a connection between a function and function signature 435df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * is via \c ir_function::add_signature. This helps ensure that certain 436df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * invariants (i.e., a function signature is in the list of signatures for 437df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * its \c _function) are met. 438df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 439df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * \sa ir_function::add_signature 440df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick */ 441df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick inline const class ir_function *function() const 442df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick { 443df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function; 444df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick } 445df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick 446df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick /** 447abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * Check whether the qualifiers match between this signature's parameters 448abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * and the supplied parameter list. If not, returns the name of the first 449abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * parameter with mismatched qualifiers (for use in error messages). 450abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke */ 451abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke const char *qualifiers_match(exec_list *params); 452abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke 453abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke /** 454bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * Replace the current parameter list with the given one. This is useful 455bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * if the current information came from a prototype, and either has invalid 456bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * or missing parameter names. 457bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke */ 458bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke void replace_parameters(exec_list *new_params); 459bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke 460bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke /** 461a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Function return type. 462a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 463a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \note This discards the optional precision qualifier. 464a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 465a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *return_type; 466a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 467a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 468f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_variable of function parameters. 469f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * 470f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * This represents the storage. The paramaters passed in a particular 471f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * call will be in ir_call::actual_paramaters. 472a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 4730044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list parameters; 474a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 4759fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke /** Whether or not this function has a body (which may be empty). */ 4769fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke unsigned is_defined:1; 4776a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 478f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke /** Whether or not this function signature is a built-in. */ 479f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke unsigned is_builtin:1; 480f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke 481894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /** Body of instructions in the function. */ 482894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt struct exec_list body; 483894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt 4846a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanickprivate: 4856a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick /** Function of which this signature is one overload. */ 486df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick class ir_function *_function; 4876a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 4886a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick friend class ir_function; 489a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 490a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 491a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 492a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 4939fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Header for tracking multiple overloaded functions with the same name. 4949fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Contains a list of ir_function_signatures representing each of the 4959fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * actual functions. 496a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 497a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function : public ir_instruction { 498a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 499882dad75408fc4071a9dd700309f9e54f6ad2650Ian Romanick ir_function(const char *name); 500a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5018273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const; 5024b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 5036202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual ir_function *as_function() 5046202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke { 5056202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke return this; 5066202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke } 5076202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke 50878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 50978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 51078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 51178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 51278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 5138895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 5148895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 5156a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick void add_signature(ir_function_signature *sig) 5166a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick { 517df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick sig->_function = this; 518df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick this->signatures.push_tail(sig); 5196a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick } 5206a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 521a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 52295cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick * Get an iterator for the set of function signatures 52395cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick */ 52495cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick exec_list_iterator iterator() 52595cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick { 52695cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick return signatures.iterator(); 52795cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick } 52895cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick 52995cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick /** 5300d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that matches a set of actual parameters, taking implicit 5310d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * conversions into account. 532471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 533b95897b89d36a25c237a021c299a4eb295856476Ian Romanick ir_function_signature *matching_signature(const exec_list *actual_param); 534471471f83471481db0445e73f8c89e6a9149838eIan Romanick 535471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 5360d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that exactly matches a set of actual parameters without 5370d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * any implicit type conversions. 5380d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke */ 539b95897b89d36a25c237a021c299a4eb295856476Ian Romanick ir_function_signature *exact_matching_signature(const exec_list *actual_ps); 5400d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke 5410d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke /** 542a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Name of the function. 543a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 544a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 545a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 54681f03393982c29f8f4165b5629c8e8fb708b97a3Kenneth Graunke /** Whether or not this function has a signature that isn't a built-in. */ 54781f03393982c29f8f4165b5629c8e8fb708b97a3Kenneth Graunke bool has_user_signature(); 548b6f15869b324ae64a00d0fe46fa3c8c62c1edb6cKenneth Graunke 549471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 550f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_function_signature for each overloaded function with this name. 551471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 5520044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list signatures; 553a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 5540f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 5550f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanickinline const char *ir_function_signature::function_name() const 5560f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick{ 557df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function->name; 5580f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick} 559a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@}*/ 560a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 561a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5623c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick/** 5633c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick * IR instruction representing high-level if-statements 5643c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick */ 5653c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickclass ir_if : public ir_instruction { 5663c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickpublic: 5673c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_if(ir_rvalue *condition) 5683c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick : condition(condition) 5693c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 570d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_if; 5713c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 5723c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 5738273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const; 5744b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 5755ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual ir_if *as_if() 5765ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt { 5775ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt return this; 5785ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt } 5795ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt 5803c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick virtual void accept(ir_visitor *v) 5813c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 5823c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick v->visit(this); 5833c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 5843c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 5858895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 5868895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 5873c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_rvalue *condition; 588f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the then branch */ 5893c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list then_instructions; 590f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the else branch */ 5913c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list else_instructions; 5923c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick}; 5933c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 5943c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 595fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick/** 596fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * IR instruction representing a high-level loop structure. 597fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 598fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickclass ir_loop : public ir_instruction { 599fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickpublic: 6003b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_loop(); 601fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 6028273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_loop *clone(void *mem_ctx, struct hash_table *ht) const; 6034b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 604fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick virtual void accept(ir_visitor *v) 605fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 606fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick v->visit(this); 607fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 608fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 6098895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6108895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 61101f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual ir_loop *as_loop() 61201f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick { 61301f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick return this; 61401f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick } 61501f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick 616fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 617fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * Get an iterator for the instructions of the loop body 618fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 619fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list_iterator iterator() 620fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 621fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick return body_instructions.iterator(); 622fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 623fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 624f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction that make up the body of the loop. */ 625fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list body_instructions; 626fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 627fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 628fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * \name Loop counter and controls 6293b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 6303b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * Represents a loop like a FORTRAN \c do-loop. 6313b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 6323b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * \note 6333b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * If \c from and \c to are the same value, the loop will execute once. 634fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 635fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@{*/ 6363b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_rvalue *from; /** Value of the loop counter on the first 6373b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * iteration of the loop. 6383b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 6393b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_rvalue *to; /** Value of the loop counter on the last 6403b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * iteration of the loop. 6413b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 642fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *increment; 643fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_variable *counter; 6443b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick 6453b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick /** 6463b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * Comparison operation in the loop terminator. 6473b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 6483b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * If any of the loop control fields are non-\c NULL, this field must be 6493b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal, 6503b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal. 6513b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 6523b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick int cmp; 653fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@}*/ 654fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick}; 655fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 656fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 6573c033637de7def553559c11d037f2e8bbb750f77Kenneth Graunkeclass ir_assignment : public ir_instruction { 658a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 659fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); 660a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 6615a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 6625a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Construct an assignment with an explicit write mask 6635a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6645a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * \note 6655a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Since a write mask is supplied, the LHS must already be a bare 6665a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * \c ir_dereference. The cannot be any swizzles in the LHS. 6675a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 6685a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, ir_rvalue *condition, 6695a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick unsigned write_mask); 6705a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 6718273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_assignment *clone(void *mem_ctx, struct hash_table *ht) const; 6724b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 673fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 674fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 67578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 67678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 67778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 67878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 67978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 6808895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6818895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 682cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_assignment * as_assignment() 683cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 684cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 685cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 686cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 687a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 6885a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Get a whole variable written by an assignment 6895a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6905a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * If the LHS of the assignment writes a whole variable, the variable is 6915a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * returned. Otherwise \c NULL is returned. Examples of whole-variable 6925a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * assignment are: 6935a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 6945a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Assigning to a scalar 6955a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Assigning to all components of a vector 6965a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Whole array (or matrix) assignment 6975a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Whole structure assignment 6985a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 6995a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_variable *whole_variable_written(); 7005a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 7015a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 7025a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Set the LHS of an assignment 7035a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 7045a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick void set_lhs(ir_rvalue *lhs); 7055a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 7065a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 707a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Left-hand side of the assignment. 7085a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 7095a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * This should be treated as read only. If you need to set the LHS of an 7105a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * assignment, use \c ir_assignment::set_lhs. 711a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 7125a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_dereference *lhs; 713a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 714a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 715a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value being assigned 716a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 717fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *rhs; 718a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 719a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 720a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Optional condition for the assignment. 721a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 722fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *condition; 7235a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 7245a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 7255a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 7265a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Component mask written 7275a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 7285a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * For non-vector types in the LHS, this field will be zero. For vector 7295a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * types, a bit will be set for each component that is written. Note that 7305a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * for \c vec2 and \c vec3 types only the lower bits will ever be set. 731b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 732b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * A partially-set write mask means that each enabled channel gets 733b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * the value from a consecutive channel of the rhs. For example, 734b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * to write just .xyw of gl_FrontColor with color: 735b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 736b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (assign (constant bool (1)) (xyw) 737b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (var_ref gl_FragColor) 738b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (swiz xyw (var_ref color))) 7395a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 7405a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick unsigned write_mask:4; 741a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 742a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 7433b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke/* Update ir_expression::num_operands() and operator_strs when 744160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt * updating this list. 7453b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 746a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_expression_operation { 747a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_bit_not, 748a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_logic_not, 749a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_neg, 750a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_abs, 751a4b7b5a654ca810e296bb0cca1b27b8847f5548aKenneth Graunke ir_unop_sign, 752a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rcp, 753a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rsq, 75444d68fd06ff8b53fc70a9a07c897dda9b3457ef8Eric Anholt ir_unop_sqrt, 755bc4034b243975089c06c4415d4e26edaaaec7a46Eric Anholt ir_unop_exp, /**< Log base e on gentype */ 756bc4034b243975089c06c4415d4e26edaaaec7a46Eric Anholt ir_unop_log, /**< Natural log on gentype */ 75701665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_exp2, 75801665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_log2, 759a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_f2i, /**< Float-to-integer conversion. */ 760a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_i2f, /**< Integer-to-float conversion. */ 761dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_f2b, /**< Float-to-boolean conversion */ 762dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_b2f, /**< Boolean-to-float conversion */ 763c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_i2b, /**< int-to-boolean conversion */ 764c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_b2i, /**< Boolean-to-int conversion */ 7656c86ea8adc095abeef7b3cd63d3321185542bf36Ian Romanick ir_unop_u2f, /**< Unsigned-to-float conversion. */ 7665e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt ir_unop_any, 767a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 768a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 769a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Unary floating-point rounding operations. 770a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 771a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 772a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_trunc, 773a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_ceil, 774a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_floor, 775d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt ir_unop_fract, 776d85d25dd1f4fd281bd210ba6ba5135ba1e3b535fKenneth Graunke ir_unop_round_even, 777a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 778a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 77957e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /** 78057e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke * \name Trigonometric operations. 78157e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke */ 78257e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@{*/ 78357e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_sin, 78457e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_cos, 785f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_unop_sin_reduced, /**< Reduced range sin. [-pi, pi] */ 786f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_unop_cos_reduced, /**< Reduced range cos. [-pi, pi] */ 78757e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@}*/ 78857e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke 789b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /** 790b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke * \name Partial derivatives. 791b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke */ 792b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@{*/ 793b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdx, 794b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdy, 795b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@}*/ 796b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke 7973a5ce85cfa4914711e56c8cf831699242618928eIan Romanick ir_unop_noise, 7983a5ce85cfa4914711e56c8cf831699242618928eIan Romanick 799007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 800007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of the unary operations. 801007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 802007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_unop = ir_unop_noise, 803007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 804a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_add, 805a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_sub, 806a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mul, 807a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_div, 8088a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt 8098a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt /** 8108a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Takes one of two combinations of arguments: 8118a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 8128a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, vecN) 8138a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, float) 8148a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 8158a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Does not take integer types. 8168a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt */ 817a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mod, 818a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 819a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 82014eea268284491d64ff92b37723bff1e9ff14b40Kenneth Graunke * \name Binary comparison operators which return a boolean vector. 82114eea268284491d64ff92b37723bff1e9ff14b40Kenneth Graunke * The type of both operands must be equal. 822a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 823a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 824a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_less, 825a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_greater, 826a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lequal, 827a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_gequal, 8284dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_equal, 8294dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_nequal, 830832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt /** 831832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * Returns single boolean for whether all components of operands[0] 832832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * equal the components of operands[1]. 833832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt */ 8344dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_all_equal, 835832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt /** 836832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * Returns single boolean for whether any component of operands[0] 837832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * is not equal to the corresponding component of operands[1]. 838832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt */ 8394dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_any_nequal, 840a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 841a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 842a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 843a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Bit-wise binary operations. 844a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 845a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 846a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lshift, 847a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_rshift, 848a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_and, 849a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_xor, 850a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_or, 851a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 852a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 853a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_and, 854a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_xor, 855a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_or, 856a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 857a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_dot, 858a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_min, 859a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_max, 860a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 861007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_binop_pow, 862007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 863007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 864007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of the binary operations. 865007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 866007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_binop = ir_binop_pow, 867007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 86811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_quadop_vector, 86911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 870007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 871007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of all operations. 872007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 873007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_opcode = ir_last_binop 874a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 875a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 876fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_expression : public ir_rvalue { 877a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 87813f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick /** 87913f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick * Constructor for unary operation expressions 88013f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick */ 88113f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick ir_expression(int op, const struct glsl_type *type, ir_rvalue *); 8826b937465d4aeab72fabcfe5250d477cf6790a521Eric Anholt ir_expression(int op, ir_rvalue *); 88313f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick 88413f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick /** 88513f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick * Constructor for binary operation expressions 88613f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick */ 887a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression(int op, const struct glsl_type *type, 888fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *, ir_rvalue *); 8896b937465d4aeab72fabcfe5250d477cf6790a521Eric Anholt ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1); 890a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 89111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick /** 89211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * Constructor for quad operator expressions 89311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick */ 89411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_expression(int op, const struct glsl_type *type, 89511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_rvalue *, ir_rvalue *, ir_rvalue *, ir_rvalue *); 89611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 8976d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual ir_expression *as_expression() 8986d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt { 8996d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt return this; 9006d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt } 9016d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt 9028273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const; 9034b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 904e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 905e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Attempt to constant-fold the expression 906e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 907e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * If the expression cannot be constant folded, this method will return 908e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c NULL. 909e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 910fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 911fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 912e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 913e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Determine the number of operands used by an expression 914e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 9157dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke static unsigned int get_num_operands(ir_expression_operation); 916e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 917e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 918e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Determine the number of operands used by an expression 919e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 9204b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt unsigned int get_num_operands() const 9217dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke { 92211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick return (this->operation == ir_quadop_vector) 92311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ? this->type->vector_elements : get_num_operands(operation); 9247dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke } 925160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt 9263b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 9273b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Return a string representing this expression's operator. 9283b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 9293b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke const char *operator_string(); 9303b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 9313b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 932351525d534268b08c090f9ce42a67e9329a969aeIan Romanick * Return a string representing this expression's operator. 933351525d534268b08c090f9ce42a67e9329a969aeIan Romanick */ 934351525d534268b08c090f9ce42a67e9329a969aeIan Romanick static const char *operator_string(ir_expression_operation); 935351525d534268b08c090f9ce42a67e9329a969aeIan Romanick 936351525d534268b08c090f9ce42a67e9329a969aeIan Romanick 937351525d534268b08c090f9ce42a67e9329a969aeIan Romanick /** 9383b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Do a reverse-lookup to translate the given string into an operator. 9393b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 9403b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke static ir_expression_operation get_operator(const char *); 9413b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 94278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 94378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 94478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 94578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 94678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 9478895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 9488895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 949a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression_operation operation; 95011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_rvalue *operands[4]; 951a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 952a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 953a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 954ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick/** 955ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * IR instruction representing a function call 956ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 957fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_call : public ir_rvalue { 958ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickpublic: 9591f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_call(ir_function_signature *callee, exec_list *actual_parameters) 960b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(callee) 961ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 962d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_call; 9639e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick assert(callee->return_type != NULL); 9649e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick type = callee->return_type; 965471471f83471481db0445e73f8c89e6a9149838eIan Romanick actual_parameters->move_nodes_to(& this->actual_parameters); 966ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 967ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 9688273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_call *clone(void *mem_ctx, struct hash_table *ht) const; 9694b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 970fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 971fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 972cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_call *as_call() 973cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 974cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 975cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 976cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 977ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick virtual void accept(ir_visitor *v) 978ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 979ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick v->visit(this); 980ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 981ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 9828895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 9838895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 984ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick /** 985ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * Get a generic ir_call object when an error occurs 986e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * 987d3073f58c17d8675a2ecdd5dfa83e5520c78e1a8Kenneth Graunke * Any allocation will be performed with 'ctx' as ralloc owner. 988ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 989e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth static ir_call *get_error_instruction(void *ctx); 990ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 9919878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick /** 9929878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick * Get an iterator for the set of acutal parameters 9939878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick */ 9949878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick exec_list_iterator iterator() 9959878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick { 9969878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick return actual_parameters.iterator(); 9979878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick } 9989878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick 99993614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick /** 100093614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick * Get the name of the function being called. 100193614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick */ 100293614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick const char *callee_name() const 100393614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick { 10040f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick return callee->function_name(); 100593614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick } 100693614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick 1007e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 1008e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Get the function signature bound to this function call 1009e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 10101f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *get_callee() 1011cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 1012cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return callee; 1013cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 1014cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1015cad9766118d269725ef33b4e9588d674d5225010Eric Anholt /** 1016792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick * Set the function call target 1017792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick */ 10181f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt void set_callee(ir_function_signature *sig); 1019792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick 1020792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick /** 1021cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * Generates an inline version of the function before @ir, 1022cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * returning the return value of the function. 1023cad9766118d269725ef33b4e9588d674d5225010Eric Anholt */ 1024cad9766118d269725ef33b4e9588d674d5225010Eric Anholt ir_rvalue *generate_inline(ir_instruction *ir); 1025cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1026a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick /* List of ir_rvalue of paramaters passed in this call. */ 1027a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick exec_list actual_parameters; 1028a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick 1029ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickprivate: 1030471471f83471481db0445e73f8c89e6a9149838eIan Romanick ir_call() 1031b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(NULL) 1032471471f83471481db0445e73f8c89e6a9149838eIan Romanick { 1033d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_call; 1034471471f83471481db0445e73f8c89e6a9149838eIan Romanick } 1035471471f83471481db0445e73f8c89e6a9149838eIan Romanick 10361f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *callee; 1037ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick}; 1038ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 1039ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 10409578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/** 10419578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * \name Jump-like IR instructions. 10429578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * 10439578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * These include \c break, \c continue, \c return, and \c discard. 10449578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick */ 10459578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@{*/ 10469578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_jump : public ir_instruction { 10479578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickprotected: 10489578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_jump() 10499578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 1050d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 10519578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10529578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 10539578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10549578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_return : public ir_jump { 10559578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickpublic: 10569578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_return() 10579578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(NULL) 10589578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 1059d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 10609578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10619578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 1062fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_return(ir_rvalue *value) 10639578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(value) 10649578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 1065d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 10669578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10679578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10688273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_return *clone(void *mem_ctx, struct hash_table *) const; 10694b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1070cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_return *as_return() 1071cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 1072cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 1073cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 1074cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1075fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *get_value() const 10769578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 10779578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick return value; 10789578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10799578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10809578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick virtual void accept(ir_visitor *v) 10819578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 10829578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick v->visit(this); 10839578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 10849578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 10858895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 10868895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1087fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *value; 10889578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 1089f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1090f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1091f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick/** 1092f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * Jump instructions used inside loops 1093f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 1094f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * These include \c break and \c continue. The \c break within a loop is 1095f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * different from the \c break within a switch-statement. 1096f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 1097f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * \sa ir_switch_jump 1098f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick */ 1099f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickclass ir_loop_jump : public ir_jump { 1100f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickpublic: 1101f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode { 1102f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_break, 1103f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_continue 1104f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick }; 1105f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 11064b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt ir_loop_jump(jump_mode mode) 1107f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1108d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_loop_jump; 11090c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->mode = mode; 11100c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->loop = loop; 1111f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1112f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 11138273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_loop_jump *clone(void *mem_ctx, struct hash_table *) const; 11144b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1115f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick virtual void accept(ir_visitor *v) 1116f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1117f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick v->visit(this); 1118f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1119f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 11208895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 11218895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1122f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_break() const 1123f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1124f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_break; 1125f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1126f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1127f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_continue() const 1128f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1129f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_continue; 1130f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1131f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1132f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick /** Mode selector for the jump instruction. */ 1133f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode mode; 11340c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholtprivate: 11350c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt /** Loop containing this break instruction. */ 11360c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt ir_loop *loop; 1137f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick}; 113816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 113916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke/** 114016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke * IR instruction representing discard statements. 114116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke */ 114216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkeclass ir_discard : public ir_jump { 114316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkepublic: 114416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard() 114516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 1146d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_discard; 114716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = NULL; 114816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 114916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 115016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard(ir_rvalue *cond) 115116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 115284ee01f40acf88185484df386b7715034e7685c9Aras Pranckevicius this->ir_type = ir_type_discard; 115316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = cond; 115416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 115516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 11568273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_discard *clone(void *mem_ctx, struct hash_table *ht) const; 115716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 115816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual void accept(ir_visitor *v) 115916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 116016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke v->visit(this); 116116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 116216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 116316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 116416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 11651eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke virtual ir_discard *as_discard() 11661eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke { 11671eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke return this; 11681eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke } 11691eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke 117016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_rvalue *condition; 117116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke}; 11729578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@}*/ 11739578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 11749578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 117581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 117681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texture sampling opcodes used in ir_texture 117781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 117881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickenum ir_texture_opcode { 1179e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_tex, /**< Regular texture look-up */ 1180e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txb, /**< Texture look-up with LOD bias */ 1181e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txl, /**< Texture look-up with explicit LOD */ 1182e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txd, /**< Texture look-up with partial derivatvies */ 1183e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txf /**< Texel fetch with explicit LOD */ 118481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 118581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 118681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 118781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 118881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * IR instruction to sample a texture 118981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 119081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * The specific form of the IR instruction depends on the \c mode value 119181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * selected from \c ir_texture_opcodes. In the printed IR, these will 119281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * appear as: 119381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 1194c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * Texel offset (0 or an expression) 1195c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * | Projection divisor 1196c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * | | Shadow comparitor 1197c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * | | | 1198c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * v v v 1199c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * (tex <sampler> <coordinate> 0 1 ( )) 1200c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * (txb <sampler> <coordinate> 0 1 ( ) <bias>) 1201c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * (txl <sampler> <coordinate> 0 1 ( ) <lod>) 1202c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * (txd <sampler> <coordinate> 0 1 ( ) (dPdx dPdy)) 1203c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke * (txf <sampler> <coordinate> 0 <lod>) 120481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 120581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickclass ir_texture : public ir_rvalue { 120681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickpublic: 120781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_texture(enum ir_texture_opcode op) 1208c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke : op(op), projector(NULL), shadow_comparitor(NULL), offset(NULL) 120981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick { 1210d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_texture; 121181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } 121281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 12138273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_texture *clone(void *mem_ctx, struct hash_table *) const; 12144b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1215fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1216fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 121726d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual void accept(ir_visitor *v) 121826d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke { 121926d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke v->visit(this); 122026d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke } 122126d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 122226d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 122326d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 1224c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 1225c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Return a string representing the ir_texture_opcode. 1226c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 1227c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke const char *opcode_string(); 1228c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 122956d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke /** Set the sampler and infer the type. */ 123056d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke void set_sampler(ir_dereference *sampler); 123156d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke 1232c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 1233c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Do a reverse-lookup to translate a string into an ir_texture_opcode. 1234c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 1235c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke static ir_texture_opcode get_opcode(const char *); 1236c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 123781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick enum ir_texture_opcode op; 123881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 123981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Sampler to use for the texture access. */ 124081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_dereference *sampler; 124181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 124281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Texture coordinate to sample */ 124381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *coordinate; 124481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 124581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 124681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Value used for projective divide. 124781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 124881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no projective divide (the common case), this will be 124981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c NULL. Optimization passes should check for this to point to a constant 125081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * of 1.0 and replace that with \c NULL. 125181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 125281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *projector; 125381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 125481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 125581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Coordinate used for comparison on shadow look-ups. 125681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 125781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no shadow comparison, this will be \c NULL. For the 125881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c ir_txf opcode, this *must* be \c NULL. 125981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 126081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *shadow_comparitor; 126181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 1262c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke /** Texel offset. */ 1263c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke ir_rvalue *offset; 126481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 126581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick union { 126681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *lod; /**< Floating point LOD */ 126781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *bias; /**< Floating point LOD bias */ 126881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick struct { 126981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ 127081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ 127181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } grad; 127281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } lod_info; 127381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 127481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 127581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 1276a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickstruct ir_swizzle_mask { 1277a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned x:2; 1278a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned y:2; 1279a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned z:2; 1280a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned w:2; 1281a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1282a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1283a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Number of components in the swizzle. 1284a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1285f25a5ad93961c335b56d4f0508cc5c00b77ee519Kenneth Graunke unsigned num_components:3; 1286a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1287a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1288a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Does the swizzle contain duplicate components? 1289a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1290a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * L-value swizzles cannot contain duplicate components. 1291a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1292a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned has_duplicates:1; 1293a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1294a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1295affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1296affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkeclass ir_swizzle : public ir_rvalue { 1297affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkepublic: 1298affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, 1299affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke unsigned count); 13006315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 13016315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); 13026315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 130305a4e59c2410292f595cfe0cc552a86ae69b20d2Eric Anholt ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); 1304cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 13058273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_swizzle *clone(void *mem_ctx, struct hash_table *) const; 13064b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1307fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1308fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 13097d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual ir_swizzle *as_swizzle() 13107d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt { 13117d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt return this; 13127d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt } 13137d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt 1314affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke /** 1315affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke * Construct an ir_swizzle from the textual representation. Can fail. 1316affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke */ 1317affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); 1318affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1319affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke virtual void accept(ir_visitor *v) 1320affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1321affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke v->visit(this); 1322affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1323affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 13248895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 13258895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1326affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke bool is_lvalue() 1327affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1328a9fafc6504ebccdc0fee3d2529c3fe6068cc86b8Eric Anholt return val->is_lvalue() && !mask.has_duplicates; 1329affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1330affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 13312b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 13322b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 13332b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 13342b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced(); 13352b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 1336affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_rvalue *val; 1337affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle_mask mask; 13386315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 13396315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanickprivate: 13406315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick /** 13416315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * Initialize the mask component of a swizzle 13426315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * 13436315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * This is used by the \c ir_swizzle constructors. 13446315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick */ 13456315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick void init_mask(const unsigned *components, unsigned count); 1346affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke}; 1347affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1348affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1349fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_dereference : public ir_rvalue { 1350a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 13518273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0; 1352ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 135344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_dereference *as_dereference() 135444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 135544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 135644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 135744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 1358c7da28b4beb3a593f49a6c01a90b123584b421e8Eric Anholt bool is_lvalue(); 1359fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 13602b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 13612b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 13622b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 136370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() = 0; 136470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 136570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 136670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 136770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_variable : public ir_dereference { 136870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 136970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_variable(ir_variable *var); 137070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 13718273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_variable *clone(void *mem_ctx, 13728273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 13734b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1374fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1375fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1376d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual ir_dereference_variable *as_dereference_variable() 1377d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt { 1378d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt return this; 1379d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 1380d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 138170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 138270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 138370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 138470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 138570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 138636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->var; 138770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1388f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1389b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 1390b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 1391b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /* ir_dereference_variable objects always dereference the entire 1392b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * variable. However, if this dereference is dereferenced by anything 1393b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * else, the complete deferefernce chain is not a whole-variable 1394b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * dereference. This method should only be called on the top most 1395b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * ir_rvalue in a dereference chain. 1396b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 1397b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return this->var; 1398b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 1399b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 1400c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1401c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1402c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1403c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1404c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1405f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 140636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 140736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick /** 140836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick * Object being dereferenced. 140936ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick */ 141036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_variable *var; 141170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 141270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 141370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 141470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_array : public ir_dereference { 141570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 141670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); 141770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 141870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_variable *var, ir_rvalue *array_index); 141970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 14208273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_array *clone(void *mem_ctx, 14218273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 14224b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1423fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1424fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1425b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual ir_dereference_array *as_dereference_array() 1426b145e903694fa932ab1e0d955e889555193ab604Eric Anholt { 1427b145e903694fa932ab1e0d955e889555193ab604Eric Anholt return this; 1428b145e903694fa932ab1e0d955e889555193ab604Eric Anholt } 1429b145e903694fa932ab1e0d955e889555193ab604Eric Anholt 143070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 143170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 143270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 143370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 143470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 143536ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->array->variable_referenced(); 143670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 143770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1438c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1439c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1440c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1441c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1442c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1443f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 144470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 144536ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array; 144636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array_index; 144736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 144870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickprivate: 144970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick void set_array(ir_rvalue *value); 145070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 145170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 145270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 145370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_record : public ir_dereference { 145470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 145570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_rvalue *value, const char *field); 145670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 145770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_variable *var, const char *field); 145870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 14598273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_record *clone(void *mem_ctx, 14608273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 14614b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1462fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1463fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 146470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 146570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 146670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 146770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 146870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 146936ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->record->variable_referenced(); 147070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1471f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1472c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1473c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1474c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1475c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1476c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1477f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 147836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 147936ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *record; 148036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick const char *field; 1481a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1482a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1483a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1484be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick/** 1485be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick * Data stored in an ir_constant 1486be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick */ 1487be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanickunion ir_constant_data { 1488be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick unsigned u[16]; 1489be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick int i[16]; 1490be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick float f[16]; 1491be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick bool b[16]; 1492be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick}; 1493be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1494be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1495fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_constant : public ir_rvalue { 1496a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1497824b659d917a5f14a1f66b891d25036ef9f9adc6Ian Romanick ir_constant(const struct glsl_type *type, const ir_constant_data *data); 14983c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(bool b); 14993c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(unsigned int u); 15003c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(int i); 15013c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(float f); 1502a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1503989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick /** 1504756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick * Construct an ir_constant from a list of ir_constant values 1505756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick */ 1506756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick ir_constant(const struct glsl_type *type, exec_list *values); 1507756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick 1508756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick /** 1509989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * Construct an ir_constant from a scalar component of another ir_constant 1510989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1511989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * The new \c ir_constant inherits the type of the component from the 1512989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * source constant. 1513989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1514989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * \note 1515989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * In the case of a matrix constant, the new constant is a scalar, \b not 1516989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * a vector. 1517989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick */ 1518989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick ir_constant(const ir_constant *c, unsigned i); 1519989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick 1520ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke /** 1521ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke * Return a new ir_constant of the specified type containing all zeros. 1522ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke */ 1523ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke static ir_constant *zero(void *mem_ctx, const glsl_type *type); 1524ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke 15258273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_constant *clone(void *mem_ctx, struct hash_table *) const; 15264b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1527fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke virtual ir_constant *constant_expression_value(); 1528fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 15295c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual ir_constant *as_constant() 15305c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt { 15315c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt return this; 15325c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt } 15335c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt 153478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 153578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 153678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 153778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 153878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 15398895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 15408895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1541a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 154231881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * Get a particular component of a constant as a specific type 154331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * 154431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * This is useful, for example, to get a value from an integer constant 154531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * as a float or bool. This appears frequently when constructors are 154631881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * called with all constant parameters. 154731881908ebc11d84c2ff1821410c91340686aa17Ian Romanick */ 154831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@{*/ 154931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick bool get_bool_component(unsigned i) const; 155031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick float get_float_component(unsigned i) const; 155131881908ebc11d84c2ff1821410c91340686aa17Ian Romanick int get_int_component(unsigned i) const; 155231881908ebc11d84c2ff1821410c91340686aa17Ian Romanick unsigned get_uint_component(unsigned i) const; 155331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@}*/ 155431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick 155574e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke ir_constant *get_array_element(unsigned i) const; 155674e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke 1557b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick ir_constant *get_record_field(const char *name); 1558b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick 155931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /** 15601e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick * Determine whether a constant has the same value as another constant 156138e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick * 15628e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \sa ir_constant::is_zero, ir_constant::is_one, 15638e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * ir_constant::is_negative_one 15641e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick */ 15651e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick bool has_value(const ir_constant *) const; 15661e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick 1567ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_zero() const; 1568ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_one() const; 15698e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick virtual bool is_negative_one() const; 157038e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick 157138e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick /** 1572a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value of the constant. 1573a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1574a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The field used to back the values supplied by the constant is determined 1575a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * by the type associated with the \c ir_instruction. Constants may be 1576a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * scalars, vectors, or matrices. 1577a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1578be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick union ir_constant_data value; 15797f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick 158074e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke /* Array elements */ 158174e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke ir_constant **array_elements; 158274e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke 158374e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke /* Structure fields */ 15847f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick exec_list components; 1585710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick 1586710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanickprivate: 1587710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick /** 1588710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick * Parameterless constructor only used by the clone method 1589710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick */ 1590710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick ir_constant(void); 1591a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1592a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1593e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/*@}*/ 1594e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 1595e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 1596e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Apply a visitor to each IR node in a list 1597e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 159870b74928a220aff024664714877defb0caedf33fEric Anholtvoid 159970b74928a220aff024664714877defb0caedf33fEric Anholtvisit_exec_list(exec_list *list, ir_visitor *visitor); 1600adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick 1601e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 1602e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Validate invariants on each IR node in a list 1603e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 160453cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholtvoid validate_ir_tree(exec_list *instructions); 160553cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholt 1606f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick/** 1607f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * Make a clone of each IR instruction in a list 1608f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * 1609f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param in List of IR instructions that are to be cloned 1610f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param out List to hold the cloned instructions 1611f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick */ 1612f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickvoid 16138273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholtclone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in); 1614f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick 1615adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanickextern void 1616adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick_mesa_glsl_initialize_variables(exec_list *instructions, 1617adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick struct _mesa_glsl_parse_state *state); 1618e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 1619c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholtextern void 162081168351a7f493fcde55e621af046c9301aa93e9Kenneth Graunke_mesa_glsl_initialize_functions(_mesa_glsl_parse_state *state); 1621c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt 162260e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanickextern void 1623d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick_mesa_glsl_release_functions(void); 1624d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick 1625d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanickextern void 162660e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanickreparent_ir(exec_list *list, void *mem_ctx); 162760e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanick 16281cbcf6693aa490c4dcb56712bfb9998deb270f08José Fonsecastruct glsl_symbol_table; 16294ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanick 16304ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanickextern void 16314ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanickimport_prototypes(const exec_list *source, exec_list *dest, 16321cbcf6693aa490c4dcb56712bfb9998deb270f08José Fonseca struct glsl_symbol_table *symbols, void *mem_ctx); 16334ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanick 16349f82806c7b5109553cf806a5652e6b6198665094Eric Anholtextern bool 16359f82806c7b5109553cf806a5652e6b6198665094Eric Anholtir_has_call(ir_instruction *ir); 16369f82806c7b5109553cf806a5652e6b6198665094Eric Anholt 1637925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholtextern void 1638925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholtdo_set_program_inouts(exec_list *instructions, struct gl_program *prog); 1639925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt 1640e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#endif /* IR_H */ 1641