ir.h revision 8e31f961e6cfd9680b33647c053b0f708abb8a18
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 29497baf4e4a6a0a2f247c7bfb9bf69a2b93c2c19fIan Romanick#include <stdio.h> 30497baf4e4a6a0a2f247c7bfb9bf69a2b93c2c19fIan Romanick#include <stdlib.h> 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" 37cf45949d6a896651a5f3864d3b195e26d59eee74Paul Berry#include "main/mtypes.h" 380044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick 39e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 40e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \defgroup IR Intermediate representation nodes 41e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 42e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * @{ 43e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 44e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 45e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 46e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Class tags 47e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 48e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Each concrete class derived from \c ir_instruction has a value in this 49e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * enumerant. The value for the type is stored in \c ir_instruction::ir_type 50e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * by the constructor. While using type tags is not very C++, it is extremely 51e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * convenient. For example, during debugging you can simply inspect 52e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type to find out the actual type of the object. 53e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 54e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * In addition, it is possible to use a switch-statement based on \c 55e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type to select different behavior for different object 56e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * types. For functions that have only slight differences for several object 57e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * types, this allows writing very straightforward, readable code. 58e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 59d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholtenum ir_node_type { 60e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 61e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Zero is unused so that the IR validator can detect cases where 62e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c ir_instruction::ir_type has not been initialized. 63e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 64d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_unset, 65d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_variable, 66d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_assignment, 67d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_call, 68d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_constant, 69d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_array, 70d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_record, 71d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_variable, 72d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_discard, 73d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_expression, 74d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function, 75d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function_signature, 76d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_if, 77d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop, 78d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop_jump, 79d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_return, 80d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_swizzle, 81d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_texture, 826dc89d221d43fad5f3edbb903997160af071bec0Brian Paul ir_type_max /**< maximum ir_type enum number, for validation */ 83d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt}; 84d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt 85a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 86a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Base class of all IR instructions 87a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 880044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanickclass ir_instruction : public exec_node { 89a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 90d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt enum ir_node_type ir_type; 91a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 92a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt /** 93a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt * GCC 4.7+ and clang warn when deleting an ir_instruction unless 94a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt * there's a virtual destructor present. Because we almost 95a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt * universally use ralloc for our memory management of 96a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt * ir_instructions, the destructor doesn't need to do any work. 97a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt */ 98a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt virtual ~ir_instruction() 99a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt { 100a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt } 101a018747ac8230f0dfb9f5f49a44d78fe97df84a0Eric Anholt 102e46a454305af64710ce8deadafc718f75363ac7eEric Anholt /** ir_print_visitor helper for debugging. */ 1034b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt void print(void) const; 104e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 10578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *) = 0; 1068895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; 1078273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_instruction *clone(void *mem_ctx, 1088273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *ht) const = 0; 10978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 11044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /** 11144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \name IR instruction downcast functions 11244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * 11344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * These functions either cast the object to a derived class or return 11444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \c NULL if the object's type does not match the specified derived class. 11544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * Additional downcast functions will be added as needed. 11644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke */ 11744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@{*/ 11844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_variable * as_variable() { return NULL; } 1196202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual class ir_function * as_function() { return NULL; } 12044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_dereference * as_dereference() { return NULL; } 121b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual class ir_dereference_array * as_dereference_array() { return NULL; } 122d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } 1236d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual class ir_expression * as_expression() { return NULL; } 124fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual class ir_rvalue * as_rvalue() { return NULL; } 12501f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual class ir_loop * as_loop() { return NULL; } 126cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_assignment * as_assignment() { return NULL; } 127cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_call * as_call() { return NULL; } 128cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_return * as_return() { return NULL; } 1295ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual class ir_if * as_if() { return NULL; } 1307d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual class ir_swizzle * as_swizzle() { return NULL; } 1315c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual class ir_constant * as_constant() { return NULL; } 1321eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke virtual class ir_discard * as_discard() { return NULL; } 13344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@}*/ 13444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 135a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickprotected: 13644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke ir_instruction() 137d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick { 138d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 139d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick } 140a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 141a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 142a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 143807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke/** 144807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke * The base class for all "values"/expression trees. 145807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke */ 146fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_rvalue : public ir_instruction { 147fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkepublic: 148f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke const struct glsl_type *type; 149f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke 150807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke virtual ir_rvalue *clone(void *mem_ctx, struct hash_table *) const; 151ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 152807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke virtual void accept(ir_visitor *v) 153807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke { 154807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke v->visit(this); 155807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke } 156807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke 157807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 158807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke 1596e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 160fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 161fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual ir_rvalue * as_rvalue() 162fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 163fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return this; 164fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 165fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 16602939d643f878ce3a3dcd2e7b2c6f035c64ecda7Eric Anholt ir_rvalue *as_rvalue_to_saturate(); 16702939d643f878ce3a3dcd2e7b2c6f035c64ecda7Eric Anholt 168a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual bool is_lvalue() const 169fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 170fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return false; 171fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 172fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 1732b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 1742b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 1752b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 176a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual ir_variable *variable_referenced() const 1772b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick { 1782b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick return NULL; 1792b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick } 1802b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 181b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 182b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /** 183b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * If an r-value is a reference to a whole variable, get that variable 184b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * 185b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * \return 186b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * Pointer to a variable that is completely dereferenced by the r-value. If 187b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * the r-value is not a dereference or the dereference does not access the 188b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * entire variable (i.e., it's just one array element, struct field), \c NULL 189b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * is returned. 190b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 191b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 192b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 193b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return NULL; 194b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 195b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 196ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick /** 197ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * Determine if an r-value has the value zero 198ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 199ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * The base implementation of this function always returns \c false. The 200ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \c ir_constant class over-rides this function to return \c true \b only 201ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * for vector and scalar types that have all elements set to the value 202ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * zero (or \c false for booleans). 203ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 2049aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * \sa ir_constant::has_value, ir_rvalue::is_one, ir_rvalue::is_negative_one, 2059aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * ir_constant::is_basis 206ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick */ 207ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_zero() const; 208ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick 209ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick /** 210ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * Determine if an r-value has the value one 211ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 212ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * The base implementation of this function always returns \c false. The 213ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * \c ir_constant class over-rides this function to return \c true \b only 214ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * for vector and scalar types that have all elements set to the value 215ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * one (or \c true for booleans). 216ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick * 2179aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_negative_one, 2189aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * ir_constant::is_basis 219ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick */ 220ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_one() const; 221ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick 2228e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick /** 2238e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * Determine if an r-value has the value negative one 2248e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * 2258e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * The base implementation of this function always returns \c false. The 2268e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \c ir_constant class over-rides this function to return \c true \b only 2278e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * for vector and scalar types that have all elements set to the value 2289aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * negative one. For boolean types, the result is always \c false. 2298e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * 2308e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one 2319aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * ir_constant::is_basis 2328e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick */ 2338e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick virtual bool is_negative_one() const; 2348e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick 2359aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner /** 2369aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * Determine if an r-value is a basis vector 2379aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * 2389aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * The base implementation of this function always returns \c false. The 2399aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * \c ir_constant class over-rides this function to return \c true \b only 2409aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * for vector and scalar types that have one element set to the value one, 2419aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * and the other elements set to the value zero. For boolean types, the 2429aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * result is always \c false. 2439aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * 2449aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * \sa ir_constant::has_value, ir_rvalue::is_zero, ir_rvalue::is_one, 2459aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * is_constant::is_negative_one 2469aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner */ 2479aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner virtual bool is_basis() const; 2489aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner 249807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke 250807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke /** 251807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke * Return a generic value of error_type. 252807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke * 253807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke * Allocation will be performed with 'mem_ctx' as ralloc owner. 254807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke */ 255807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke static ir_rvalue *error_value(void *mem_ctx); 256807e967c615dc80a264af5a89af7649f95481744Kenneth Graunke 257fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeprotected: 2580a89175a35ba3ac2a94d0ba9bcc9926edc8927e3Kenneth Graunke ir_rvalue(); 259fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke}; 260fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 261fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 262e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 263e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Variable storage classes 264e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 265a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_variable_mode { 266e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_var_auto = 0, /**< Function local variables and globals. */ 267e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_var_uniform, /**< Variable declared as a uniform. */ 268a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_in, 269a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_out, 2707e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_var_inout, 271819d57fce94b20fa0d34da6f037f0a53c4a5bdc2Kenneth Graunke ir_var_const_in, /**< "in" param that must be a constant expression */ 2727ce186358e881d1e30eda716a8dea73d2dab2ee9Brian Paul ir_var_system_value, /**< Ex: front-face, instance-id, etc. */ 2737e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_var_temporary /**< Temporary variable generated during compilation. */ 274a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 275a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 2765fc57f471b10e74546f999269a2a8f9186da9731Chad Versace/** 2775fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * \brief Layout qualifiers for gl_FragDepth. 2785fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * 279b9eb4d8a59699e233255113acafae220c3d8fe3cKenneth Graunke * The AMD/ARB_conservative_depth extensions allow gl_FragDepth to be redeclared 2805fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * with a layout qualifier. 2815fc57f471b10e74546f999269a2a8f9186da9731Chad Versace */ 2825fc57f471b10e74546f999269a2a8f9186da9731Chad Versaceenum ir_depth_layout { 2835fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_none, /**< No depth layout is specified. */ 2845fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_any, 2855fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_greater, 2865fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_less, 2875fc57f471b10e74546f999269a2a8f9186da9731Chad Versace ir_depth_layout_unchanged 2885fc57f471b10e74546f999269a2a8f9186da9731Chad Versace}; 2895fc57f471b10e74546f999269a2a8f9186da9731Chad Versace 2905fc57f471b10e74546f999269a2a8f9186da9731Chad Versace/** 2915fc57f471b10e74546f999269a2a8f9186da9731Chad Versace * \brief Convert depth layout qualifier to string. 2925fc57f471b10e74546f999269a2a8f9186da9731Chad Versace */ 2935fc57f471b10e74546f999269a2a8f9186da9731Chad Versaceconst char* 2945fc57f471b10e74546f999269a2a8f9186da9731Chad Versacedepth_layout_string(ir_depth_layout layout); 295fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 29689d81ab16c05818b290ed735c1343d3abde449bfIan Romanick/** 29789d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * Description of built-in state associated with a uniform 29889d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * 29989d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * \sa ir_variable::state_slots 30089d81ab16c05818b290ed735c1343d3abde449bfIan Romanick */ 30189d81ab16c05818b290ed735c1343d3abde449bfIan Romanickstruct ir_state_slot { 30289d81ab16c05818b290ed735c1343d3abde449bfIan Romanick int tokens[5]; 30389d81ab16c05818b290ed735c1343d3abde449bfIan Romanick int swizzle; 30489d81ab16c05818b290ed735c1343d3abde449bfIan Romanick}; 30589d81ab16c05818b290ed735c1343d3abde449bfIan Romanick 306a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_variable : public ir_instruction { 307a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 3087e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick ir_variable(const struct glsl_type *, const char *, ir_variable_mode); 309a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 3108273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_variable *clone(void *mem_ctx, struct hash_table *ht) const; 3114b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 31244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_variable *as_variable() 31344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 31444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 31544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 31644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 31778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 31878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 31978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 32078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 32178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 3228895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 3238895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 3242d394d4877794d19756c3760d711524dca89f772Ian Romanick 325950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick /** 326950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * Get the string value for the interpolation qualifier 327950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * 328046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * \return The string that would be used in a shader to specify \c 329046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * mode will be returned. 330046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * 331c488150dea083a9677429b4185c6b20d7facd52bPaul Berry * This function is used to generate error messages of the form "shader 332c488150dea083a9677429b4185c6b20d7facd52bPaul Berry * uses %s interpolation qualifier", so in the case where there is no 333c488150dea083a9677429b4185c6b20d7facd52bPaul Berry * interpolation qualifier, it returns "no". 334c488150dea083a9677429b4185c6b20d7facd52bPaul Berry * 335046bef235744e891e4a48076e1a3ff9a61a63092Eric Anholt * This function should only be used on a shader input or output variable. 336950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick */ 337950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick const char *interpolation_string() const; 338950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick 3398b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick /** 340baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * Determine how this variable should be interpolated based on its 341baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * interpolation qualifier (if present), whether it is gl_Color or 342baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * gl_SecondaryColor, and whether flatshading is enabled in the current GL 343baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * state. 344baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * 345baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * The return value will always be either INTERP_QUALIFIER_SMOOTH, 346baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry * INTERP_QUALIFIER_NOPERSPECTIVE, or INTERP_QUALIFIER_FLAT. 347baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry */ 348baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry glsl_interp_qualifier determine_interpolation_mode(bool flat_shade); 349baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry 350baf7f99fd7a092a1390b7a145e09caa5325a8116Paul Berry /** 351f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke * Declared type of the variable 352f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke */ 353f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke const struct glsl_type *type; 354f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke 355f75c2d53146ea14f8dfedcc5b7a4704278ba0792Kenneth Graunke /** 356e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Delcared name of the variable 357e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 358a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 359a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 360b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick /** 361b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Highest element accessed with a constant expression array index 362b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * 363b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Not used for non-array variables. 364b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick */ 365b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick unsigned max_array_access; 366b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick 367e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 368e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Is the variable read-only? 369e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 370e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * This is set for variables declared as \c const, shader inputs, 371e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * and uniforms. 372e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 373a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned read_only:1; 374a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned centroid:1; 375a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned invariant:1; 376a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 377e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 378bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * Has this variable been used for reading or writing? 379bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * 380bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * Several GLSL semantic checks require knowledge of whether or not a 381bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * variable has been used. For example, it is an error to redeclare a 382bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick * variable as invariant after it has been used. 383f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * 384f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * This is only maintained in the ast_to_hir.cpp path, not in 385f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * Mesa's fixed function or ARB program paths. 386bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick */ 387bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick unsigned used:1; 388bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick 389bd33055ef4b6dd18d6247ff7d9e47496ff4acc51Ian Romanick /** 390f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * Has this variable been statically assigned? 391f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * 392f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * This answers whether the variable was assigned in any path of 393f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * the shader during ast_to_hir. This doesn't answer whether it is 394f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * still written after dead code removal, nor is it maintained in 395f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt * non-ast_to_hir.cpp (GLSL parsing) paths. 396f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt */ 397f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt unsigned assigned:1; 398f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt 399f2475ca424f7e001be50f64dafa5700f6603d684Eric Anholt /** 400e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Storage class of the variable. 401e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 402e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \sa ir_variable_mode 403e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 404a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned mode:3; 405e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 406e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 407e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Interpolation mode for shader inputs / outputs 408e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 409e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \sa ir_variable_interpolation 410e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 411a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned interpolation:2; 4129d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick 4139d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick /** 414e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \name ARB_fragment_coord_conventions 415e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * @{ 416e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 4174a962170d7cf4243d6ae156fca20a6167388925dEric Anholt unsigned origin_upper_left:1; 4184a962170d7cf4243d6ae156fca20a6167388925dEric Anholt unsigned pixel_center_integer:1; 419e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /*@}*/ 4204a962170d7cf4243d6ae156fca20a6167388925dEric Anholt 421326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt /** 422eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * Was the location explicitly set in the shader? 423eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * 424eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * If the location is explicitly set in the shader, it \b cannot be changed 425eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * by the linker or by the API (e.g., calls to \c glBindAttribLocation have 426eee68d3631813580a14fa51fda6f0c959279256cIan Romanick * no effect). 427eee68d3631813580a14fa51fda6f0c959279256cIan Romanick */ 428eee68d3631813580a14fa51fda6f0c959279256cIan Romanick unsigned explicit_location:1; 4291256a5dcc86014d48bdc6fd10ea5a2fa11241667Dave Airlie unsigned explicit_index:1; 430eee68d3631813580a14fa51fda6f0c959279256cIan Romanick 431eee68d3631813580a14fa51fda6f0c959279256cIan Romanick /** 432f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * Does this variable have an initializer? 433f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * 434f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * This is used by the linker to cross-validiate initializers of global 435f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * variables. 436f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick */ 437f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick unsigned has_initializer:1; 438f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick 439f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick /** 44022af08b410f47227ea27b06cce097ccbe0130540Ian Romanick * \brief Layout qualifier for gl_FragDepth. 44122af08b410f47227ea27b06cce097ccbe0130540Ian Romanick * 44222af08b410f47227ea27b06cce097ccbe0130540Ian Romanick * This is not equal to \c ir_depth_layout_none if and only if this 44322af08b410f47227ea27b06cce097ccbe0130540Ian Romanick * variable is \c gl_FragDepth and a layout qualifier is specified. 44422af08b410f47227ea27b06cce097ccbe0130540Ian Romanick */ 44522af08b410f47227ea27b06cce097ccbe0130540Ian Romanick ir_depth_layout depth_layout; 44622af08b410f47227ea27b06cce097ccbe0130540Ian Romanick 44722af08b410f47227ea27b06cce097ccbe0130540Ian Romanick /** 44869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * Storage location of the base of this variable 44969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 45069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * The precise meaning of this field depends on the nature of the variable. 45169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 45269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader input: one of the values from \c gl_vert_attrib. 45369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader output: one of the values from \c gl_vert_result. 45469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader input: one of the values from \c gl_frag_attrib. 45569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader output: one of the values from \c gl_frag_result. 45669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Uniforms: Per-stage uniform slot number. 45769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Other: This field is not currently used. 45869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 45969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * If the variable is a uniform, shader input, or shader output, and the 46069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * slot has not been assigned, the value will be -1. 46169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick */ 46269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick int location; 46369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick 46469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick /** 465f8cf79936b42405a8366613b80e3bde21aadaa02Dave Airlie * output index for dual source blending. 466f8cf79936b42405a8366613b80e3bde21aadaa02Dave Airlie */ 467f8cf79936b42405a8366613b80e3bde21aadaa02Dave Airlie int index; 468f8cf79936b42405a8366613b80e3bde21aadaa02Dave Airlie 469f8cf79936b42405a8366613b80e3bde21aadaa02Dave Airlie /** 47089d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * Built-in state that backs this uniform 47189d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * 47289d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * Once set at variable creation, \c state_slots must remain invariant. 47389d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * This is because, ideally, this array would be shared by all clones of 47489d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * this variable in the IR tree. In other words, we'd really like for it 47589d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * to be a fly-weight. 47689d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * 47789d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * If the variable is not a uniform, \c num_state_slots will be zero and 47889d81ab16c05818b290ed735c1343d3abde449bfIan Romanick * \c state_slots will be \c NULL. 47989d81ab16c05818b290ed735c1343d3abde449bfIan Romanick */ 48089d81ab16c05818b290ed735c1343d3abde449bfIan Romanick /*@{*/ 48189d81ab16c05818b290ed735c1343d3abde449bfIan Romanick unsigned num_state_slots; /**< Number of state slots used */ 48289d81ab16c05818b290ed735c1343d3abde449bfIan Romanick ir_state_slot *state_slots; /**< State descriptors. */ 48389d81ab16c05818b290ed735c1343d3abde449bfIan Romanick /*@}*/ 48489d81ab16c05818b290ed735c1343d3abde449bfIan Romanick 48589d81ab16c05818b290ed735c1343d3abde449bfIan Romanick /** 486c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick * Emit a warning if this variable is accessed. 487c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick */ 488c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick const char *warn_extension; 489c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick 490c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick /** 491326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt * Value assigned in the initializer of a variable declared "const" 492326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt */ 493326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt ir_constant *constant_value; 494f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick 495f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick /** 496f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * Constant expression assigned in the initializer of the variable 497f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * 498f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * \warning 499f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * This field and \c ::constant_value are distinct. Even if the two fields 500f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * refer to constants with the same value, they must point to separate 501f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick * objects. 502f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick */ 503f37b1ad937dd2c420f4c9fd9aa5887942bd31f3fIan Romanick ir_constant *constant_initializer; 504a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 505a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 506a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 507a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@{*/ 5089fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke/** 5099fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * The representation of a function instance; may be the full definition or 5109fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * simply a prototype. 5119fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke */ 512a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function_signature : public ir_instruction { 513894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /* An ir_function_signature will be part of the list of signatures in 514894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt * an ir_function. 515894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt */ 516a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 517e39cc69fa3cb830b803fe0c4f6c30915aa886b5bIan Romanick ir_function_signature(const glsl_type *return_type); 518a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5198273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_function_signature *clone(void *mem_ctx, 5208273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *ht) const; 52101a25bb64ecae156729794320f9a39733ff8eeaaKenneth Graunke ir_function_signature *clone_prototype(void *mem_ctx, 52201a25bb64ecae156729794320f9a39733ff8eeaaKenneth Graunke struct hash_table *ht) const; 5234b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 52478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 52578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 52678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 52778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 52878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 5298895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 5308895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 531a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 5326e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * Attempt to evaluate this function as a constant expression, 5336e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * given a list of the actual parameters and the variable context. 5346e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * Returns NULL for non-built-ins. 535d0fa0cb52cebdcd0ca483b9cd7af6be2f228b8dcKenneth Graunke */ 5366e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert ir_constant *constant_expression_value(exec_list *actual_parameters, struct hash_table *variable_context); 537d0fa0cb52cebdcd0ca483b9cd7af6be2f228b8dcKenneth Graunke 538d0fa0cb52cebdcd0ca483b9cd7af6be2f228b8dcKenneth Graunke /** 5390f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick * Get the name of the function for which this is a signature 5400f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick */ 5410f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick const char *function_name() const; 5420f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 5430f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick /** 544df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * Get a handle to the function for which this is a signature 545df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 546df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * There is no setter function, this function returns a \c const pointer, 547df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * and \c ir_function_signature::_function is private for a reason. The 548df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * only way to make a connection between a function and function signature 549df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * is via \c ir_function::add_signature. This helps ensure that certain 550df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * invariants (i.e., a function signature is in the list of signatures for 551df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * its \c _function) are met. 552df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 553df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * \sa ir_function::add_signature 554df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick */ 555df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick inline const class ir_function *function() const 556df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick { 557df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function; 558df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick } 559df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick 560df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick /** 561abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * Check whether the qualifiers match between this signature's parameters 562abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * and the supplied parameter list. If not, returns the name of the first 563abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * parameter with mismatched qualifiers (for use in error messages). 564abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke */ 565abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke const char *qualifiers_match(exec_list *params); 566abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke 567abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke /** 568bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * Replace the current parameter list with the given one. This is useful 569bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * if the current information came from a prototype, and either has invalid 570bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * or missing parameter names. 571bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke */ 572bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke void replace_parameters(exec_list *new_params); 573bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke 574bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke /** 575a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Function return type. 576a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 577a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \note This discards the optional precision qualifier. 578a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 579a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *return_type; 580a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 581a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 582f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_variable of function parameters. 583f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * 584f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * This represents the storage. The paramaters passed in a particular 585f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * call will be in ir_call::actual_paramaters. 586a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 5870044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list parameters; 588a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5899fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke /** Whether or not this function has a body (which may be empty). */ 5909fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke unsigned is_defined:1; 5916a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 592f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke /** Whether or not this function signature is a built-in. */ 593f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke unsigned is_builtin:1; 594f412fac5b46eb274cbed8e62234d5dbfd859f1feKenneth Graunke 595894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /** Body of instructions in the function. */ 596894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt struct exec_list body; 597894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt 5986a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanickprivate: 5996a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick /** Function of which this signature is one overload. */ 600df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick class ir_function *_function; 6016a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 6022ff7b121cad2892698ff1aa7690dd361ea2739a7Olivier Galibert /** Function signature of which this one is a prototype clone */ 6032ff7b121cad2892698ff1aa7690dd361ea2739a7Olivier Galibert const ir_function_signature *origin; 6042ff7b121cad2892698ff1aa7690dd361ea2739a7Olivier Galibert 6056a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick friend class ir_function; 606363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert 607363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert /** 608363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * Helper function to run a list of instructions for constant 609363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * expression evaluation. 610363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * 611363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * The hash table represents the values of the visible variables. 612363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * There are no scoping issues because the table is indexed on 613363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * ir_variable pointers, not variable names. 614363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * 615363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * Returns false if the expression is not constant, true otherwise, 616363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert * and the value in *result if result is non-NULL. 617363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert */ 618363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert bool constant_expression_evaluate_expression_list(const struct exec_list &body, 619363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert struct hash_table *variable_context, 620363c14ae0cd2baa624d85e8c9db12cd1677190eaOlivier Galibert ir_constant **result); 621a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 622a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 623a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 624a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 6259fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Header for tracking multiple overloaded functions with the same name. 6269fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Contains a list of ir_function_signatures representing each of the 6279fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * actual functions. 628a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 629a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function : public ir_instruction { 630a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 631882dad75408fc4071a9dd700309f9e54f6ad2650Ian Romanick ir_function(const char *name); 632a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 6338273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_function *clone(void *mem_ctx, struct hash_table *ht) const; 6344b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 6356202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual ir_function *as_function() 6366202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke { 6376202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke return this; 6386202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke } 6396202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke 64078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 64178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 64278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 64378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 64478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 6458895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6468895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 6476a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick void add_signature(ir_function_signature *sig) 6486a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick { 649df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick sig->_function = this; 650df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick this->signatures.push_tail(sig); 6516a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick } 6526a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 653a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 65495cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick * Get an iterator for the set of function signatures 65595cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick */ 65695cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick exec_list_iterator iterator() 65795cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick { 65895cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick return signatures.iterator(); 65995cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick } 66095cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick 66195cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick /** 6620d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that matches a set of actual parameters, taking implicit 663861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke * conversions into account. Also flags whether the match was exact. 664861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke */ 665861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke ir_function_signature *matching_signature(const exec_list *actual_param, 666861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke bool *match_is_exact); 667861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke 668861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke /** 669861d0a5e12b1baa31211cb8aff983b8fb9b97482Kenneth Graunke * Find a signature that matches a set of actual parameters, taking implicit 6700d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * conversions into account. 671471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 672b95897b89d36a25c237a021c299a4eb295856476Ian Romanick ir_function_signature *matching_signature(const exec_list *actual_param); 673471471f83471481db0445e73f8c89e6a9149838eIan Romanick 674471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 6750d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that exactly matches a set of actual parameters without 6760d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * any implicit type conversions. 6770d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke */ 678b95897b89d36a25c237a021c299a4eb295856476Ian Romanick ir_function_signature *exact_matching_signature(const exec_list *actual_ps); 6790d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke 6800d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke /** 681a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Name of the function. 682a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 683a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 684a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 68581f03393982c29f8f4165b5629c8e8fb708b97a3Kenneth Graunke /** Whether or not this function has a signature that isn't a built-in. */ 68681f03393982c29f8f4165b5629c8e8fb708b97a3Kenneth Graunke bool has_user_signature(); 687b6f15869b324ae64a00d0fe46fa3c8c62c1edb6cKenneth Graunke 688471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 689f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_function_signature for each overloaded function with this name. 690471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 6910044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list signatures; 692a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 6930f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 6940f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanickinline const char *ir_function_signature::function_name() const 6950f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick{ 696df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function->name; 6970f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick} 698a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@}*/ 699a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 700a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 7013c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick/** 7023c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick * IR instruction representing high-level if-statements 7033c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick */ 7043c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickclass ir_if : public ir_instruction { 7053c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickpublic: 7063c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_if(ir_rvalue *condition) 7073c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick : condition(condition) 7083c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 709d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_if; 7103c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 7113c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 7128273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_if *clone(void *mem_ctx, struct hash_table *ht) const; 7134b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 7145ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual ir_if *as_if() 7155ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt { 7165ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt return this; 7175ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt } 7185ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt 7193c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick virtual void accept(ir_visitor *v) 7203c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 7213c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick v->visit(this); 7223c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 7233c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 7248895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 7258895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 7263c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_rvalue *condition; 727f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the then branch */ 7283c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list then_instructions; 729f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the else branch */ 7303c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list else_instructions; 7313c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick}; 7323c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 7333c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 734fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick/** 735fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * IR instruction representing a high-level loop structure. 736fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 737fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickclass ir_loop : public ir_instruction { 738fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickpublic: 7393b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_loop(); 740fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 7418273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_loop *clone(void *mem_ctx, struct hash_table *ht) const; 7424b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 743fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick virtual void accept(ir_visitor *v) 744fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 745fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick v->visit(this); 746fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 747fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 7488895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 7498895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 75001f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual ir_loop *as_loop() 75101f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick { 75201f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick return this; 75301f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick } 75401f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick 755fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 756fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * Get an iterator for the instructions of the loop body 757fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 758fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list_iterator iterator() 759fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 760fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick return body_instructions.iterator(); 761fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 762fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 763f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction that make up the body of the loop. */ 764fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list body_instructions; 765fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 766fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 767fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * \name Loop counter and controls 7683b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 7693b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * Represents a loop like a FORTRAN \c do-loop. 7703b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 7713b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * \note 7723b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * If \c from and \c to are the same value, the loop will execute once. 773fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 774fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@{*/ 7753b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_rvalue *from; /** Value of the loop counter on the first 7763b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * iteration of the loop. 7773b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 7783b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick ir_rvalue *to; /** Value of the loop counter on the last 7793b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * iteration of the loop. 7803b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 781fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *increment; 782fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_variable *counter; 7833b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick 7843b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick /** 7853b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * Comparison operation in the loop terminator. 7863b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * 7873b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * If any of the loop control fields are non-\c NULL, this field must be 7883b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * one of \c ir_binop_less, \c ir_binop_greater, \c ir_binop_lequal, 7893b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick * \c ir_binop_gequal, \c ir_binop_equal, or \c ir_binop_nequal. 7903b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick */ 7913b85f1cc6cb12e9d4931e12cf29adde578f389fdIan Romanick int cmp; 792fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@}*/ 793fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick}; 794fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 795fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 7963c033637de7def553559c11d037f2e8bbb750f77Kenneth Graunkeclass ir_assignment : public ir_instruction { 797a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 798e617a53a74cd27a322fd2dd05ff1c66c6437fde3Eric Anholt ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition = NULL); 799a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 8005a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 8015a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Construct an assignment with an explicit write mask 8025a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 8035a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * \note 8045a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Since a write mask is supplied, the LHS must already be a bare 8055a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * \c ir_dereference. The cannot be any swizzles in the LHS. 8065a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 8075a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_assignment(ir_dereference *lhs, ir_rvalue *rhs, ir_rvalue *condition, 8085a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick unsigned write_mask); 8095a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 8108273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_assignment *clone(void *mem_ctx, struct hash_table *ht) const; 8114b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 8126e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 813fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 81478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 81578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 81678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 81778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 81878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 8198895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 8208895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 821cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_assignment * as_assignment() 822cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 823cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 824cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 825cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 826a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 8275a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Get a whole variable written by an assignment 8285a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 8295a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * If the LHS of the assignment writes a whole variable, the variable is 8305a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * returned. Otherwise \c NULL is returned. Examples of whole-variable 8315a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * assignment are: 8325a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 8335a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Assigning to a scalar 8345a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Assigning to all components of a vector 8355a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Whole array (or matrix) assignment 8365a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * - Whole structure assignment 8375a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 8385a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_variable *whole_variable_written(); 8395a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 8405a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 8415a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Set the LHS of an assignment 8425a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 8435a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick void set_lhs(ir_rvalue *lhs); 8445a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 8455a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 846a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Left-hand side of the assignment. 8475a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 8485a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * This should be treated as read only. If you need to set the LHS of an 8495a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * assignment, use \c ir_assignment::set_lhs. 850a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 8515a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick ir_dereference *lhs; 852a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 853a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 854a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value being assigned 855a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 856fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *rhs; 857a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 858a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 859a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Optional condition for the assignment. 860a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 861fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *condition; 8625a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 8635a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 8645a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /** 8655a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * Component mask written 8665a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * 8675a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * For non-vector types in the LHS, this field will be zero. For vector 8685a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * types, a bit will be set for each component that is written. Note that 8695a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * for \c vec2 and \c vec3 types only the lower bits will ever be set. 870b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 871b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * A partially-set write mask means that each enabled channel gets 872b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * the value from a consecutive channel of the rhs. For example, 873b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * to write just .xyw of gl_FrontColor with color: 874b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 875b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (assign (constant bool (1)) (xyw) 876b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (var_ref gl_FragColor) 877b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * (swiz xyw (var_ref color))) 8785a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 8795a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick unsigned write_mask:4; 880a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 881a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 8823b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke/* Update ir_expression::num_operands() and operator_strs when 883160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt * updating this list. 8843b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 885a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_expression_operation { 886a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_bit_not, 887a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_logic_not, 888a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_neg, 889a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_abs, 890a4b7b5a654ca810e296bb0cca1b27b8847f5548aKenneth Graunke ir_unop_sign, 891a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rcp, 892a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rsq, 89344d68fd06ff8b53fc70a9a07c897dda9b3457ef8Eric Anholt ir_unop_sqrt, 894500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_exp, /**< Log base e on gentype */ 895500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_log, /**< Natural log on gentype */ 89601665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_exp2, 89701665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_log2, 898500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_f2i, /**< Float-to-integer conversion. */ 8998e31f961e6cfd9680b33647c053b0f708abb8a18Paul Berry ir_unop_f2u, /**< Float-to-unsigned conversion. */ 900500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_i2f, /**< Integer-to-float conversion. */ 901500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_f2b, /**< Float-to-boolean conversion */ 902500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_b2f, /**< Boolean-to-float conversion */ 903500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_i2b, /**< int-to-boolean conversion */ 904500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_b2i, /**< Boolean-to-int conversion */ 905500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_u2f, /**< Unsigned-to-float conversion. */ 906500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_i2u, /**< Integer-to-unsigned conversion. */ 907500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_u2i, /**< Unsigned-to-integer conversion. */ 908500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_bitcast_i2f, /**< Bit-identical int-to-float "conversion" */ 909500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_bitcast_f2i, /**< Bit-identical float-to-int "conversion" */ 910500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_bitcast_u2f, /**< Bit-identical uint-to-float "conversion" */ 911500dcbb1aa991d4c92200fcacd6eb288bb2638d7Olivier Galibert ir_unop_bitcast_f2u, /**< Bit-identical float-to-uint "conversion" */ 9125e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt ir_unop_any, 913a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 914a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 915a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Unary floating-point rounding operations. 916a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 917a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 918a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_trunc, 919a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_ceil, 920a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_floor, 921d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt ir_unop_fract, 922d85d25dd1f4fd281bd210ba6ba5135ba1e3b535fKenneth Graunke ir_unop_round_even, 923a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 924a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 92557e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /** 92657e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke * \name Trigonometric operations. 92757e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke */ 92857e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@{*/ 92957e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_sin, 93057e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_cos, 931f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_unop_sin_reduced, /**< Reduced range sin. [-pi, pi] */ 932f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_unop_cos_reduced, /**< Reduced range cos. [-pi, pi] */ 93357e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@}*/ 93457e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke 935b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /** 936b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke * \name Partial derivatives. 937b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke */ 938b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@{*/ 939b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdx, 940b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdy, 941b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@}*/ 942b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke 9433a5ce85cfa4914711e56c8cf831699242618928eIan Romanick ir_unop_noise, 9443a5ce85cfa4914711e56c8cf831699242618928eIan Romanick 945007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 946007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of the unary operations. 947007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 948007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_unop = ir_unop_noise, 949007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 950a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_add, 951a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_sub, 952a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mul, 953a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_div, 9548a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt 9558a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt /** 9568a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Takes one of two combinations of arguments: 9578a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 9588a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, vecN) 9598a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, float) 9608a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 9618a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Does not take integer types. 9628a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt */ 963a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mod, 964a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 965a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 96614eea268284491d64ff92b37723bff1e9ff14b40Kenneth Graunke * \name Binary comparison operators which return a boolean vector. 96714eea268284491d64ff92b37723bff1e9ff14b40Kenneth Graunke * The type of both operands must be equal. 968a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 969a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 970a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_less, 971a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_greater, 972a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lequal, 973a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_gequal, 9744dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_equal, 9754dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_nequal, 976832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt /** 977832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * Returns single boolean for whether all components of operands[0] 978832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * equal the components of operands[1]. 979832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt */ 9804dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_all_equal, 981832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt /** 982832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * Returns single boolean for whether any component of operands[0] 983832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt * is not equal to the corresponding component of operands[1]. 984832aad989e3d319a8aaac046aa49df25da134d82Eric Anholt */ 9854dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_binop_any_nequal, 986a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 987a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 988a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 989a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Bit-wise binary operations. 990a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 991a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 992a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lshift, 993a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_rshift, 994a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_and, 995a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_xor, 996a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_or, 997a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 998a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 999a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_and, 1000a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_xor, 1001a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_or, 1002a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1003a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_dot, 1004a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_min, 1005a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_max, 1006a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1007007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_binop_pow, 1008007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 1009007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 1010007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of the binary operations. 1011007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 1012007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_binop = ir_binop_pow, 1013007f4881503b69055d65cfb20bd237673779786bKenneth Graunke 101411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_quadop_vector, 101511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 1016007f4881503b69055d65cfb20bd237673779786bKenneth Graunke /** 1017007f4881503b69055d65cfb20bd237673779786bKenneth Graunke * A sentinel marking the last of all operations. 1018007f4881503b69055d65cfb20bd237673779786bKenneth Graunke */ 1019007f4881503b69055d65cfb20bd237673779786bKenneth Graunke ir_last_opcode = ir_last_binop 1020a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1021a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1022fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_expression : public ir_rvalue { 1023a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 102413f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick /** 102513f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick * Constructor for unary operation expressions 102613f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick */ 102713f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick ir_expression(int op, const struct glsl_type *type, ir_rvalue *); 10286b937465d4aeab72fabcfe5250d477cf6790a521Eric Anholt ir_expression(int op, ir_rvalue *); 102913f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick 103013f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick /** 103113f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick * Constructor for binary operation expressions 103213f57d42b6929f50d8ef8b4123f46a61c46fde7bIan Romanick */ 1033a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression(int op, const struct glsl_type *type, 1034fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *, ir_rvalue *); 10356b937465d4aeab72fabcfe5250d477cf6790a521Eric Anholt ir_expression(int op, ir_rvalue *op0, ir_rvalue *op1); 1036a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 103711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick /** 103811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * Constructor for quad operator expressions 103911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick */ 104011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_expression(int op, const struct glsl_type *type, 104111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_rvalue *, ir_rvalue *, ir_rvalue *, ir_rvalue *); 104211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 10436d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual ir_expression *as_expression() 10446d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt { 10456d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt return this; 10466d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt } 10476d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt 10488273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_expression *clone(void *mem_ctx, struct hash_table *ht) const; 10494b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1050e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 1051e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Attempt to constant-fold the expression 1052e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * 10536e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * The "variable_context" hash table links ir_variable * to ir_constant * 10546e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * that represent the variables' values. \c NULL represents an empty 10556e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * context. 10566e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert * 1057e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * If the expression cannot be constant folded, this method will return 1058e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * \c NULL. 1059e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 10606e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1061fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1062e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 1063e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Determine the number of operands used by an expression 1064e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 10657dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke static unsigned int get_num_operands(ir_expression_operation); 1066e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 1067e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 1068e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Determine the number of operands used by an expression 1069e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 10704b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt unsigned int get_num_operands() const 10717dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke { 107211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick return (this->operation == ir_quadop_vector) 107311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ? this->type->vector_elements : get_num_operands(operation); 10747dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke } 1075160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt 10763b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 10773b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Return a string representing this expression's operator. 10783b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 10793b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke const char *operator_string(); 10803b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 10813b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 1082351525d534268b08c090f9ce42a67e9329a969aeIan Romanick * Return a string representing this expression's operator. 1083351525d534268b08c090f9ce42a67e9329a969aeIan Romanick */ 1084351525d534268b08c090f9ce42a67e9329a969aeIan Romanick static const char *operator_string(ir_expression_operation); 1085351525d534268b08c090f9ce42a67e9329a969aeIan Romanick 1086351525d534268b08c090f9ce42a67e9329a969aeIan Romanick 1087351525d534268b08c090f9ce42a67e9329a969aeIan Romanick /** 10883b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Do a reverse-lookup to translate the given string into an operator. 10893b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 10903b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke static ir_expression_operation get_operator(const char *); 10913b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 109278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 109378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 109478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 109578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 109678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 10978895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 10988895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1099a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression_operation operation; 110011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_rvalue *operands[4]; 1101a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1102a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1103a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1104ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick/** 1105d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke * HIR instruction representing a high-level function call, containing a list 1106d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke * of parameters and returning a value in the supplied temporary. 1107ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 1108d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunkeclass ir_call : public ir_instruction { 1109ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickpublic: 1110d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke ir_call(ir_function_signature *callee, 1111d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke ir_dereference_variable *return_deref, 1112d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke exec_list *actual_parameters) 1113d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke : return_deref(return_deref), callee(callee) 1114ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 1115d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_call; 11169e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick assert(callee->return_type != NULL); 1117471471f83471481db0445e73f8c89e6a9149838eIan Romanick actual_parameters->move_nodes_to(& this->actual_parameters); 111866f4ac988d5053c9782d1390541b04f4d9c50078Ian Romanick this->use_builtin = callee->is_builtin; 1119ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 1120ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 11218273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_call *clone(void *mem_ctx, struct hash_table *ht) const; 11224b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 11236e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1124fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1125cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_call *as_call() 1126cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 1127cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 1128cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 1129cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1130ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick virtual void accept(ir_visitor *v) 1131ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 1132ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick v->visit(this); 1133ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 1134ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 11358895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 11368895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1137ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick /** 11389878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick * Get an iterator for the set of acutal parameters 11399878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick */ 11409878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick exec_list_iterator iterator() 11419878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick { 11429878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick return actual_parameters.iterator(); 11439878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick } 11449878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick 114593614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick /** 114693614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick * Get the name of the function being called. 114793614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick */ 114893614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick const char *callee_name() const 114993614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick { 11500f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick return callee->function_name(); 115193614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick } 115293614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick 1153e053d62aa573651abdd78666d299272c8219a3aaIan Romanick /** 1154cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * Generates an inline version of the function before @ir, 1155d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke * storing the return value in return_deref. 1156cad9766118d269725ef33b4e9588d674d5225010Eric Anholt */ 1157d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke void generate_inline(ir_instruction *ir); 1158d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke 1159d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke /** 1160d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke * Storage for the function's return value. 1161d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke * This must be NULL if the return type is void. 1162d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke */ 1163d884f60861f270cdcf7d9d47765efcf1e1de30b6Kenneth Graunke ir_dereference_variable *return_deref; 1164cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 116582065fa20ee3f2880a070f1f4f75509b910ceddeKenneth Graunke /** 116682065fa20ee3f2880a070f1f4f75509b910ceddeKenneth Graunke * The specific function signature being called. 116782065fa20ee3f2880a070f1f4f75509b910ceddeKenneth Graunke */ 116882065fa20ee3f2880a070f1f4f75509b910ceddeKenneth Graunke ir_function_signature *callee; 116982065fa20ee3f2880a070f1f4f75509b910ceddeKenneth Graunke 1170a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick /* List of ir_rvalue of paramaters passed in this call. */ 1171a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick exec_list actual_parameters; 1172a48a2b66e86d6d1c2fbb24bc60df2fdef42b3086Ian Romanick 117366f4ac988d5053c9782d1390541b04f4d9c50078Ian Romanick /** Should this call only bind to a built-in function? */ 117466f4ac988d5053c9782d1390541b04f4d9c50078Ian Romanick bool use_builtin; 1175ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick}; 1176ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 1177ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 11789578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/** 11799578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * \name Jump-like IR instructions. 11809578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * 11819578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * These include \c break, \c continue, \c return, and \c discard. 11829578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick */ 11839578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@{*/ 11849578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_jump : public ir_instruction { 11859578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickprotected: 11869578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_jump() 11879578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 1188d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 11899578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 11909578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 11919578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 11929578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_return : public ir_jump { 11939578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickpublic: 11949578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_return() 11959578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(NULL) 11969578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 1197d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 11989578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 11999578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 1200fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_return(ir_rvalue *value) 12019578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(value) 12029578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 1203d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 12049578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 12059578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 12068273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_return *clone(void *mem_ctx, struct hash_table *) const; 12074b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1208cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_return *as_return() 1209cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 1210cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 1211cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 1212cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1213fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *get_value() const 12149578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 12159578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick return value; 12169578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 12179578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 12189578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick virtual void accept(ir_visitor *v) 12199578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 12209578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick v->visit(this); 12219578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 12229578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 12238895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 12248895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1225fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *value; 12269578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 1227f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1228f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1229f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick/** 1230f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * Jump instructions used inside loops 1231f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 1232f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * These include \c break and \c continue. The \c break within a loop is 1233f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * different from the \c break within a switch-statement. 1234f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 1235f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * \sa ir_switch_jump 1236f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick */ 1237f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickclass ir_loop_jump : public ir_jump { 1238f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickpublic: 1239f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode { 1240f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_break, 1241f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_continue 1242f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick }; 1243f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 12444b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt ir_loop_jump(jump_mode mode) 1245f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1246d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_loop_jump; 12470c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->mode = mode; 12480c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->loop = loop; 1249f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1250f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 12518273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_loop_jump *clone(void *mem_ctx, struct hash_table *) const; 12524b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1253f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick virtual void accept(ir_visitor *v) 1254f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1255f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick v->visit(this); 1256f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1257f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 12588895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 12598895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1260f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_break() const 1261f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1262f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_break; 1263f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1264f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1265f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_continue() const 1266f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 1267f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_continue; 1268f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 1269f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 1270f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick /** Mode selector for the jump instruction. */ 1271f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode mode; 12720c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholtprivate: 12730c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt /** Loop containing this break instruction. */ 12740c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt ir_loop *loop; 1275f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick}; 127616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 127716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke/** 127816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke * IR instruction representing discard statements. 127916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke */ 128016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkeclass ir_discard : public ir_jump { 128116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkepublic: 128216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard() 128316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 1284d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_discard; 128516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = NULL; 128616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 128716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 128816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard(ir_rvalue *cond) 128916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 129084ee01f40acf88185484df386b7715034e7685c9Aras Pranckevicius this->ir_type = ir_type_discard; 129116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = cond; 129216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 129316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 12948273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_discard *clone(void *mem_ctx, struct hash_table *ht) const; 129516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 129616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual void accept(ir_visitor *v) 129716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 129816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke v->visit(this); 129916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 130016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 130116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 130216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 13031eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke virtual ir_discard *as_discard() 13041eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke { 13051eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke return this; 13061eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke } 13071eb7a81f2e43842acd59929ce65db2142b69134dKenneth Graunke 130816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_rvalue *condition; 130916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke}; 13109578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@}*/ 13119578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 13129578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 131381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 131481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texture sampling opcodes used in ir_texture 131581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 131681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickenum ir_texture_opcode { 1317e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_tex, /**< Regular texture look-up */ 1318e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txb, /**< Texture look-up with LOD bias */ 1319e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txl, /**< Texture look-up with explicit LOD */ 1320e053d62aa573651abdd78666d299272c8219a3aaIan Romanick ir_txd, /**< Texture look-up with partial derivatvies */ 13211e3bcbdf31f09666ba358f35ff9486faee3642caKenneth Graunke ir_txf, /**< Texel fetch with explicit LOD */ 13221e3bcbdf31f09666ba358f35ff9486faee3642caKenneth Graunke ir_txs /**< Texture size */ 132381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 132481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 132581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 132681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 132781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * IR instruction to sample a texture 132881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 132981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * The specific form of the IR instruction depends on the \c mode value 133081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * selected from \c ir_texture_opcodes. In the printed IR, these will 133181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * appear as: 133281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 1333233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * Texel offset (0 or an expression) 1334233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * | Projection divisor 1335233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * | | Shadow comparitor 1336233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * | | | 1337233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * v v v 1338233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * (tex <type> <sampler> <coordinate> 0 1 ( )) 1339233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * (txb <type> <sampler> <coordinate> 0 1 ( ) <bias>) 1340233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * (txl <type> <sampler> <coordinate> 0 1 ( ) <lod>) 1341233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * (txd <type> <sampler> <coordinate> 0 1 ( ) (dPdx dPdy)) 1342233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke * (txf <type> <sampler> <coordinate> 0 <lod>) 13431e3bcbdf31f09666ba358f35ff9486faee3642caKenneth Graunke * (txs <type> <sampler> <lod>) 134481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 134581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickclass ir_texture : public ir_rvalue { 134681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickpublic: 134781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_texture(enum ir_texture_opcode op) 1348c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke : op(op), projector(NULL), shadow_comparitor(NULL), offset(NULL) 134981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick { 1350d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_texture; 135181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } 135281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 13538273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_texture *clone(void *mem_ctx, struct hash_table *) const; 13544b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 13556e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1356fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 135726d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual void accept(ir_visitor *v) 135826d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke { 135926d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke v->visit(this); 136026d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke } 136126d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 136226d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 136326d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 1364c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 1365c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Return a string representing the ir_texture_opcode. 1366c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 1367c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke const char *opcode_string(); 1368c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 1369233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke /** Set the sampler and type. */ 1370233b88eab9d8095523ebae3c4be1dbf2e2bd856aKenneth Graunke void set_sampler(ir_dereference *sampler, const glsl_type *type); 137156d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke 1372c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 1373c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Do a reverse-lookup to translate a string into an ir_texture_opcode. 1374c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 1375c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke static ir_texture_opcode get_opcode(const char *); 1376c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 137781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick enum ir_texture_opcode op; 137881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 137981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Sampler to use for the texture access. */ 138081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_dereference *sampler; 138181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 138281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Texture coordinate to sample */ 138381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *coordinate; 138481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 138581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 138681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Value used for projective divide. 138781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 138881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no projective divide (the common case), this will be 138981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c NULL. Optimization passes should check for this to point to a constant 139081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * of 1.0 and replace that with \c NULL. 139181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 139281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *projector; 139381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 139481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 139581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Coordinate used for comparison on shadow look-ups. 139681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 139781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no shadow comparison, this will be \c NULL. For the 139881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c ir_txf opcode, this *must* be \c NULL. 139981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 140081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *shadow_comparitor; 140181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 1402c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke /** Texel offset. */ 1403c5a27b5939427bdc95c926b450ed3de1ff4baafbKenneth Graunke ir_rvalue *offset; 140481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 140581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick union { 140681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *lod; /**< Floating point LOD */ 140781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *bias; /**< Floating point LOD bias */ 140881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick struct { 140981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ 141081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ 141181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } grad; 141281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } lod_info; 141381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 141481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 141581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 1416a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickstruct ir_swizzle_mask { 1417a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned x:2; 1418a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned y:2; 1419a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned z:2; 1420a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned w:2; 1421a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1422a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1423a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Number of components in the swizzle. 1424a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1425f25a5ad93961c335b56d4f0508cc5c00b77ee519Kenneth Graunke unsigned num_components:3; 1426a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1427a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1428a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Does the swizzle contain duplicate components? 1429a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1430a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * L-value swizzles cannot contain duplicate components. 1431a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1432a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned has_duplicates:1; 1433a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1434a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1435affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1436affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkeclass ir_swizzle : public ir_rvalue { 1437affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkepublic: 1438affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, 1439affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke unsigned count); 14406315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 14416315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); 14426315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 144305a4e59c2410292f595cfe0cc552a86ae69b20d2Eric Anholt ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); 1444cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 14458273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_swizzle *clone(void *mem_ctx, struct hash_table *) const; 14464b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 14476e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1448fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 14497d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual ir_swizzle *as_swizzle() 14507d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt { 14517d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt return this; 14527d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt } 14537d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt 1454affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke /** 1455affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke * Construct an ir_swizzle from the textual representation. Can fail. 1456affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke */ 1457affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); 1458affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1459affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke virtual void accept(ir_visitor *v) 1460affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1461affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke v->visit(this); 1462affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1463affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 14648895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 14658895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1466a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry bool is_lvalue() const 1467affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1468a9fafc6504ebccdc0fee3d2529c3fe6068cc86b8Eric Anholt return val->is_lvalue() && !mask.has_duplicates; 1469affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1470affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 14712b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 14722b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 14732b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 1474a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual ir_variable *variable_referenced() const; 14752b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 1476affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_rvalue *val; 1477affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle_mask mask; 14786315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 14796315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanickprivate: 14806315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick /** 14816315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * Initialize the mask component of a swizzle 14826315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * 14836315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * This is used by the \c ir_swizzle constructors. 14846315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick */ 14856315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick void init_mask(const unsigned *components, unsigned count); 1486affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke}; 1487affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1488affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1489fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_dereference : public ir_rvalue { 1490a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 14918273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference *clone(void *mem_ctx, struct hash_table *) const = 0; 1492ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 149344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_dereference *as_dereference() 149444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 149544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 149644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 149744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 1498a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry bool is_lvalue() const; 1499fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 15002b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 15012b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 15022b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 1503a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual ir_variable *variable_referenced() const = 0; 1504a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert 1505a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert /** 1506a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * Get the constant that is ultimately referenced by an r-value, 1507a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * in a constant expression evaluation context. 1508a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * 1509a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * The offset is used when the reference is to a specific column of 1510a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * a matrix. 1511a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert */ 1512a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const = 0; 151370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 151470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 151570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 151670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_variable : public ir_dereference { 151770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 151870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_variable(ir_variable *var); 151970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 15208273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_variable *clone(void *mem_ctx, 15218273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 15224b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 15236e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1524fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1525d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual ir_dereference_variable *as_dereference_variable() 1526d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt { 1527d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt return this; 1528d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 1529d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 153070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 153170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 153270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 1533a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual ir_variable *variable_referenced() const 153470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 153536ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->var; 153670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1537f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1538a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert /** 1539a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * Get the constant that is ultimately referenced by an r-value, 1540a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * in a constant expression evaluation context. 1541a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * 1542a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * The offset is used when the reference is to a specific column of 1543a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * a matrix. 1544a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert */ 1545a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const; 1546a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert 1547b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 1548b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 1549b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /* ir_dereference_variable objects always dereference the entire 1550b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * variable. However, if this dereference is dereferenced by anything 1551b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * else, the complete deferefernce chain is not a whole-variable 1552b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * dereference. This method should only be called on the top most 1553b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * ir_rvalue in a dereference chain. 1554b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 1555b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return this->var; 1556b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 1557b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 1558c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1559c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1560c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1561c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1562c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1563f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 156436ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 156536ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick /** 156636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick * Object being dereferenced. 156736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick */ 156836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_variable *var; 156970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 157070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 157170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 157270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_array : public ir_dereference { 157370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 157470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); 157570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 157670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_variable *var, ir_rvalue *array_index); 157770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 15788273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_array *clone(void *mem_ctx, 15798273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 15804b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 15816e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1582fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 1583b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual ir_dereference_array *as_dereference_array() 1584b145e903694fa932ab1e0d955e889555193ab604Eric Anholt { 1585b145e903694fa932ab1e0d955e889555193ab604Eric Anholt return this; 1586b145e903694fa932ab1e0d955e889555193ab604Eric Anholt } 1587b145e903694fa932ab1e0d955e889555193ab604Eric Anholt 158870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 158970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 159070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 1591a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual ir_variable *variable_referenced() const 159270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 159336ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->array->variable_referenced(); 159470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 159570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1596a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert /** 1597a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * Get the constant that is ultimately referenced by an r-value, 1598a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * in a constant expression evaluation context. 1599a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * 1600a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * The offset is used when the reference is to a specific column of 1601a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * a matrix. 1602a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert */ 1603a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const; 1604a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert 1605c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1606c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1607c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1608c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1609c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1610f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 161170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 161236ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array; 161336ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array_index; 161436ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 161570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickprivate: 161670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick void set_array(ir_rvalue *value); 161770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 161870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 161970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 162070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_record : public ir_dereference { 162170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 162270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_rvalue *value, const char *field); 162370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 162470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_variable *var, const char *field); 162570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 16268273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_dereference_record *clone(void *mem_ctx, 16278273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt struct hash_table *) const; 16284b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 16296e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1630fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 163170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 163270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 163370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 1634a52b53b56e2b5d5853345d8bcd2a4ff50e495c20Paul Berry virtual ir_variable *variable_referenced() const 163570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 163636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->record->variable_referenced(); 163770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1638f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1639a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert /** 1640a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * Get the constant that is ultimately referenced by an r-value, 1641a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * in a constant expression evaluation context. 1642a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * 1643a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * The offset is used when the reference is to a specific column of 1644a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert * a matrix. 1645a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert */ 1646a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert virtual void constant_referenced(struct hash_table *variable_context, ir_constant *&store, int &offset) const; 1647a270e86d382597d4d01ebcfa1693e21d778cbe6dOlivier Galibert 1648c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1649c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1650c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1651c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1652c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1653f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 165436ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 165536ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *record; 165636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick const char *field; 1657a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1658a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1659a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1660be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick/** 1661be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick * Data stored in an ir_constant 1662be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick */ 1663be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanickunion ir_constant_data { 1664be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick unsigned u[16]; 1665be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick int i[16]; 1666be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick float f[16]; 1667be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick bool b[16]; 1668be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick}; 1669be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1670be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1671fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_constant : public ir_rvalue { 1672a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1673824b659d917a5f14a1f66b891d25036ef9f9adc6Ian Romanick ir_constant(const struct glsl_type *type, const ir_constant_data *data); 16743c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(bool b); 16753c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(unsigned int u); 16763c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(int i); 16773c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(float f); 1678a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1679989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick /** 1680756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick * Construct an ir_constant from a list of ir_constant values 1681756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick */ 1682756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick ir_constant(const struct glsl_type *type, exec_list *values); 1683756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick 1684756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick /** 1685989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * Construct an ir_constant from a scalar component of another ir_constant 1686989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1687989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * The new \c ir_constant inherits the type of the component from the 1688989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * source constant. 1689989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1690989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * \note 1691989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * In the case of a matrix constant, the new constant is a scalar, \b not 1692989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * a vector. 1693989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick */ 1694989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick ir_constant(const ir_constant *c, unsigned i); 1695989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick 1696ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke /** 1697ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke * Return a new ir_constant of the specified type containing all zeros. 1698ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke */ 1699ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke static ir_constant *zero(void *mem_ctx, const glsl_type *type); 1700ee9a3a51b61f0afe75b4b8b0c3025310140437ecKenneth Graunke 17018273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholt virtual ir_constant *clone(void *mem_ctx, struct hash_table *) const; 17024b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 17036e4852a3a5f3cbe52c53d91d343a37861f207563Olivier Galibert virtual ir_constant *constant_expression_value(struct hash_table *variable_context = NULL); 1704fb2ffd2846b48cb50128fb74df56f2ee63179832Kenneth Graunke 17055c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual ir_constant *as_constant() 17065c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt { 17075c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt return this; 17085c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt } 17095c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt 171078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 171178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 171278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 171378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 171478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 17158895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 17168895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1717a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 171831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * Get a particular component of a constant as a specific type 171931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * 172031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * This is useful, for example, to get a value from an integer constant 172131881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * as a float or bool. This appears frequently when constructors are 172231881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * called with all constant parameters. 172331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick */ 172431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@{*/ 172531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick bool get_bool_component(unsigned i) const; 172631881908ebc11d84c2ff1821410c91340686aa17Ian Romanick float get_float_component(unsigned i) const; 172731881908ebc11d84c2ff1821410c91340686aa17Ian Romanick int get_int_component(unsigned i) const; 172831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick unsigned get_uint_component(unsigned i) const; 172931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@}*/ 173031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick 173174e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke ir_constant *get_array_element(unsigned i) const; 173274e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke 1733b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick ir_constant *get_record_field(const char *name); 1734b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick 173531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /** 17368ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * Copy the values on another constant at a given offset. 17378ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * 17388ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * The offset is ignored for array or struct copies, it's only for 17398ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * scalars or vectors into vectors or matrices. 17408ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * 17418ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * With identical types on both sides and zero offset it's clone() 17428ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * without creating a new object. 17438ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert */ 17448ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert 17458ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert void copy_offset(ir_constant *src, int offset); 17468ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert 17478ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert /** 17488ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * Copy the values on another constant at a given offset and 17498ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * following an assign-like mask. 17508ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * 17518ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * The mask is ignored for scalars. 17528ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * 17538ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * Note that this function only handles what assign can handle, 17548ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * i.e. at most a vector as source and a column of a matrix as 17558ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert * destination. 17568ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert */ 17578ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert 17588ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert void copy_masked_offset(ir_constant *src, int offset, unsigned int mask); 17598ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert 17608ec01ba2ff95449674c779c05afcd32bbf7dbdc8Olivier Galibert /** 17611e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick * Determine whether a constant has the same value as another constant 176238e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick * 17638e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick * \sa ir_constant::is_zero, ir_constant::is_one, 17649aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner * ir_constant::is_negative_one, ir_constant::is_basis 17651e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick */ 17661e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick bool has_value(const ir_constant *) const; 17671e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick 1768ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_zero() const; 1769ad87f2ddc7e6b95e3dd5bbe4d2b19703d305c74eIan Romanick virtual bool is_one() const; 17708e498050dc1a1285c2218fdf4ea506c1cdcd9dd8Ian Romanick virtual bool is_negative_one() const; 17719aa3fbcc2e1f46416f1d334427ebe48388584384Matt Turner virtual bool is_basis() const; 177238e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick 177338e55153af031e48125b1cd0a5d939bb92379ddcIan Romanick /** 1774a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value of the constant. 1775a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1776a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The field used to back the values supplied by the constant is determined 1777a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * by the type associated with the \c ir_instruction. Constants may be 1778a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * scalars, vectors, or matrices. 1779a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1780be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick union ir_constant_data value; 17817f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick 178274e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke /* Array elements */ 178374e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke ir_constant **array_elements; 178474e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke 178574e1802f5dd8921750851abc6128e4073602d405Kenneth Graunke /* Structure fields */ 17867f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick exec_list components; 1787710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick 1788710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanickprivate: 1789710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick /** 1790710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick * Parameterless constructor only used by the clone method 1791710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick */ 1792710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick ir_constant(void); 1793a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1794a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1795e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/*@}*/ 1796e053d62aa573651abdd78666d299272c8219a3aaIan Romanick 1797e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 1798e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Apply a visitor to each IR node in a list 1799e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 180070b74928a220aff024664714877defb0caedf33fEric Anholtvoid 180170b74928a220aff024664714877defb0caedf33fEric Anholtvisit_exec_list(exec_list *list, ir_visitor *visitor); 1802adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick 1803e053d62aa573651abdd78666d299272c8219a3aaIan Romanick/** 1804e053d62aa573651abdd78666d299272c8219a3aaIan Romanick * Validate invariants on each IR node in a list 1805e053d62aa573651abdd78666d299272c8219a3aaIan Romanick */ 180653cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholtvoid validate_ir_tree(exec_list *instructions); 180753cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholt 180802c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanickstruct _mesa_glsl_parse_state; 180902c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanickstruct gl_shader_program; 181002c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick 181102c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick/** 181202c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * Detect whether an unlinked shader contains static recursion 181302c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * 181402c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * If the list of instructions is determined to contain static recursion, 181502c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * \c _mesa_glsl_error will be called to emit error messages for each function 181602c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * that is in the recursion cycle. 181702c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick */ 181802c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanickvoid 181902c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanickdetect_recursion_unlinked(struct _mesa_glsl_parse_state *state, 182002c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick exec_list *instructions); 182102c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick 182202c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick/** 182302c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * Detect whether a linked shader contains static recursion 182402c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * 182502c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * If the list of instructions is determined to contain static recursion, 182602c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * \c link_error_printf will be called to emit error messages for each function 182702c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * that is in the recursion cycle. In addition, 182802c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick * \c gl_shader_program::LinkStatus will be set to false. 182902c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick */ 183002c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanickvoid 183102c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanickdetect_recursion_linked(struct gl_shader_program *prog, 183202c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick exec_list *instructions); 183302c5ae1b3fef75d5c0a715313a69e6b95ebd5b95Ian Romanick 1834f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick/** 1835f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * Make a clone of each IR instruction in a list 1836f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * 1837f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param in List of IR instructions that are to be cloned 1838f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param out List to hold the cloned instructions 1839f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick */ 1840f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickvoid 18418273bd46877e2ea2b8a02b87a11c68102d07e1f2Eric Anholtclone_ir_list(void *mem_ctx, exec_list *out, const exec_list *in); 1842f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick 1843adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanickextern void 1844adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick_mesa_glsl_initialize_variables(exec_list *instructions, 1845adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick struct _mesa_glsl_parse_state *state); 1846e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 1847c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholtextern void 184881168351a7f493fcde55e621af046c9301aa93e9Kenneth Graunke_mesa_glsl_initialize_functions(_mesa_glsl_parse_state *state); 1849c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt 185060e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanickextern void 1851d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick_mesa_glsl_release_functions(void); 1852d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick 1853d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanickextern void 185460e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanickreparent_ir(exec_list *list, void *mem_ctx); 185560e2d06d1ccc66ad00cd7ab81c418853f21be291Ian Romanick 18561cbcf6693aa490c4dcb56712bfb9998deb270f08José Fonsecastruct glsl_symbol_table; 18574ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanick 18584ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanickextern void 18594ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanickimport_prototypes(const exec_list *source, exec_list *dest, 18601cbcf6693aa490c4dcb56712bfb9998deb270f08José Fonseca struct glsl_symbol_table *symbols, void *mem_ctx); 18614ccd3c548b9b9a2fee79342445f68d73525bfcdbIan Romanick 18629f82806c7b5109553cf806a5652e6b6198665094Eric Anholtextern bool 18639f82806c7b5109553cf806a5652e6b6198665094Eric Anholtir_has_call(ir_instruction *ir); 18649f82806c7b5109553cf806a5652e6b6198665094Eric Anholt 1865925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholtextern void 1866cf45949d6a896651a5f3864d3b195e26d59eee74Paul Berrydo_set_program_inouts(exec_list *instructions, struct gl_program *prog, 1867cf45949d6a896651a5f3864d3b195e26d59eee74Paul Berry bool is_fragment_shader); 1868925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt 18691ad3ba4ad954b86751bd5b6ad0a431920bff9958Ian Romanickextern char * 18701ad3ba4ad954b86751bd5b6ad0a431920bff9958Ian Romanickprototype_string(const glsl_type *return_type, const char *name, 18711ad3ba4ad954b86751bd5b6ad0a431920bff9958Ian Romanick exec_list *parameters); 18721ad3ba4ad954b86751bd5b6ad0a431920bff9958Ian Romanick 1873e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#endif /* IR_H */ 1874