ir.h revision 1f47245bdda2c85bf0f0174e6c24a50486b413aa
1986b8f798272d3ae2898617c8fb089156a5941c0Ian Romanick/* -*- c++ -*- */ 2a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/* 3a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Copyright © 2010 Intel Corporation 4a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 5a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Permission is hereby granted, free of charge, to any person obtaining a 6a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * copy of this software and associated documentation files (the "Software"), 7a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * to deal in the Software without restriction, including without limitation 8a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * and/or sell copies of the Software, and to permit persons to whom the 10a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Software is furnished to do so, subject to the following conditions: 11a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 12a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The above copyright notice and this permission notice (including the next 13a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * paragraph) shall be included in all copies or substantial portions of the 14a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Software. 15a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 16a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 20a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 21a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * DEALINGS IN THE SOFTWARE. 23a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 24a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 25e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#pragma once 26e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#ifndef IR_H 27e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#define IR_H 28e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 29ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt#include <cstdio> 30ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt#include <cstdlib> 31ac95f2f8c88d39aaa878f61172d9748af13e2c80Eric Anholt 32f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worthextern "C" { 33f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worth#include <talloc.h> 34f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worth} 35f961e4458f1e894ca782c1627b69cdee993a16f8Carl Worth 360044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick#include "list.h" 3778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick#include "ir_visitor.h" 388895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick#include "ir_hierarchical_visitor.h" 390044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick 40829e0a8eff0e657c85fa7fc53a4b456375b434ccEric Anholt#ifndef ARRAY_SIZE 41829e0a8eff0e657c85fa7fc53a4b456375b434ccEric Anholt#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) 42829e0a8eff0e657c85fa7fc53a4b456375b434ccEric Anholt#endif 43829e0a8eff0e657c85fa7fc53a4b456375b434ccEric Anholt 44a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 45a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Base class of all IR instructions 46a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 470044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanickclass ir_instruction : public exec_node { 48a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 49a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *type; 50a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 511cf43a4331dfe62aaa834e5bc6319b43eac98445Ian Romanick class ir_constant *constant_expression_value(); 52e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 53e46a454305af64710ce8deadafc718f75363ac7eEric Anholt /** ir_print_visitor helper for debugging. */ 544b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt void print(void) const; 55e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 5678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *) = 0; 578895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; 584b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt virtual ir_instruction *clone(struct hash_table *ht) const = 0; 5978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 6044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /** 6144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \name IR instruction downcast functions 6244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * 6344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * These functions either cast the object to a derived class or return 6444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \c NULL if the object's type does not match the specified derived class. 6544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * Additional downcast functions will be added as needed. 6644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke */ 6744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@{*/ 6844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_variable * as_variable() { return NULL; } 696202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual class ir_function * as_function() { return NULL; } 7044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_dereference * as_dereference() { return NULL; } 71b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual class ir_dereference_array * as_dereference_array() { return NULL; } 72d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } 736d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual class ir_expression * as_expression() { return NULL; } 74fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual class ir_rvalue * as_rvalue() { return NULL; } 7501f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual class ir_loop * as_loop() { return NULL; } 76cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_assignment * as_assignment() { return NULL; } 77cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_call * as_call() { return NULL; } 78cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_return * as_return() { return NULL; } 795ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual class ir_if * as_if() { return NULL; } 807d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual class ir_swizzle * as_swizzle() { return NULL; } 815c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual class ir_constant * as_constant() { return NULL; } 8244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@}*/ 8344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 84a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickprotected: 8544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke ir_instruction() 86d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick { 87d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick /* empty */ 88d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick } 89a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 90a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 91a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 92fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_rvalue : public ir_instruction { 93fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkepublic: 94ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_rvalue *clone(struct hash_table *) const = 0; 95ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 96fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual ir_rvalue * as_rvalue() 97fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 98fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return this; 99fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 100fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 101fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual bool is_lvalue() 102fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 103fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return false; 104fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 105fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 1062b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 1072b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 1082b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 1092b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced() 1102b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick { 1112b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick return NULL; 1122b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick } 1132b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 114b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 115b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /** 116b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * If an r-value is a reference to a whole variable, get that variable 117b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * 118b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * \return 119b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * Pointer to a variable that is completely dereferenced by the r-value. If 120b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * the r-value is not a dereference or the dereference does not access the 121b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * entire variable (i.e., it's just one array element, struct field), \c NULL 122b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * is returned. 123b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 124b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 125b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 126b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return NULL; 127b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 128b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 129fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeprotected: 130b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick ir_rvalue() 131b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick { 132b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick /* empty */ 133b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick } 134fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke}; 135fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 136fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 137a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_variable_mode { 138a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_auto = 0, 139a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_uniform, 140a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_in, 141a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_out, 142a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_inout 143a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 144a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 145a22426dc4c934673e8f0af5c70a67505a4de7aadCarl Worthenum ir_variable_interpolation { 146a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_smooth = 0, 147a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_flat, 148a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_noperspective 149a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 150a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 151fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 152a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_variable : public ir_instruction { 153a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 154a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_variable(const struct glsl_type *, const char *); 155a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 156ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_variable *clone(struct hash_table *ht) const; 1574b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 15844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_variable *as_variable() 15944e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 16044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 16144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 16244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 16378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 16478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 16578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 16678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 16778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 1688895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 1698895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1702d394d4877794d19756c3760d711524dca89f772Ian Romanick 171950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick /** 172950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * Get the string value for the interpolation qualifier 173950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * 174950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * \return 175950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * If none of \c shader_in or \c shader_out is set, an empty string will 176950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * be returned. Otherwise the string that would be used in a shader to 177950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * specify \c mode will be returned. 178950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick */ 179950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick const char *interpolation_string() const; 180950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick 1818b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick /** 1828b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * Calculate the number of slots required to hold this variable 1838b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * 1848b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * This is used to determine how many uniform or varying locations a variable 1858b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * occupies. The count is in units of floating point components. 1868b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick */ 1878b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick unsigned component_slots() const; 1888b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick 189a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 190a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 191b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick /** 192b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Highest element accessed with a constant expression array index 193b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * 194b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Not used for non-array variables. 195b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick */ 196b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick unsigned max_array_access; 197b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick 198a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned read_only:1; 199a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned centroid:1; 200a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned invariant:1; 20171df19f5ef6e78beb5160801f81468184b75447eEric Anholt /** If the variable is initialized outside of the scope of the shader */ 20271df19f5ef6e78beb5160801f81468184b75447eEric Anholt unsigned shader_in:1; 20371df19f5ef6e78beb5160801f81468184b75447eEric Anholt /** 20471df19f5ef6e78beb5160801f81468184b75447eEric Anholt * If the variable value is later used outside of the scope of the shader. 20571df19f5ef6e78beb5160801f81468184b75447eEric Anholt */ 20671df19f5ef6e78beb5160801f81468184b75447eEric Anholt unsigned shader_out:1; 207a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 208a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned mode:3; 209a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned interpolation:2; 2109d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick 2119d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick /** 2129d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * Flag that the whole array is assignable 2139d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * 2149d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * In GLSL 1.20 and later whole arrays are assignable (and comparable for 2159d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * equality). This flag enables this behavior. 2169d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick */ 2179d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick unsigned array_lvalue:1; 218326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt 219326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt /** 22069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * Storage location of the base of this variable 22169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 22269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * The precise meaning of this field depends on the nature of the variable. 22369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 22469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader input: one of the values from \c gl_vert_attrib. 22569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader output: one of the values from \c gl_vert_result. 22669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader input: one of the values from \c gl_frag_attrib. 22769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader output: one of the values from \c gl_frag_result. 22869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Uniforms: Per-stage uniform slot number. 22969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Other: This field is not currently used. 23069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 23169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * If the variable is a uniform, shader input, or shader output, and the 23269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * slot has not been assigned, the value will be -1. 23369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick */ 23469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick int location; 23569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick 23669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick /** 237c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick * Emit a warning if this variable is accessed. 238c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick */ 239c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick const char *warn_extension; 240c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick 241c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick /** 242326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt * Value assigned in the initializer of a variable declared "const" 243326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt */ 244326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt ir_constant *constant_value; 245a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 246a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 247a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 248a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@{*/ 2499fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke/** 2509fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * The representation of a function instance; may be the full definition or 2519fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * simply a prototype. 2529fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke */ 253a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function_signature : public ir_instruction { 254894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /* An ir_function_signature will be part of the list of signatures in 255894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt * an ir_function. 256894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt */ 257a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 258e39cc69fa3cb830b803fe0c4f6c30915aa886b5bIan Romanick ir_function_signature(const glsl_type *return_type); 259a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 260ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_function_signature *clone(struct hash_table *ht) const; 2614b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 26278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 26378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 26478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 26578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 26678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 2678895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 2688895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 269a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 2700f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick * Get the name of the function for which this is a signature 2710f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick */ 2720f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick const char *function_name() const; 2730f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 2740f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick /** 275df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * Get a handle to the function for which this is a signature 276df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 277df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * There is no setter function, this function returns a \c const pointer, 278df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * and \c ir_function_signature::_function is private for a reason. The 279df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * only way to make a connection between a function and function signature 280df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * is via \c ir_function::add_signature. This helps ensure that certain 281df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * invariants (i.e., a function signature is in the list of signatures for 282df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * its \c _function) are met. 283df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 284df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * \sa ir_function::add_signature 285df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick */ 286df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick inline const class ir_function *function() const 287df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick { 288df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function; 289df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick } 290df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick 291df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick /** 292abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * Check whether the qualifiers match between this signature's parameters 293abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * and the supplied parameter list. If not, returns the name of the first 294abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * parameter with mismatched qualifiers (for use in error messages). 295abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke */ 296abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke const char *qualifiers_match(exec_list *params); 297abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke 298abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke /** 299bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * Replace the current parameter list with the given one. This is useful 300bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * if the current information came from a prototype, and either has invalid 301bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * or missing parameter names. 302bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke */ 303bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke void replace_parameters(exec_list *new_params); 304bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke 305bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke /** 306a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Function return type. 307a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 308a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \note This discards the optional precision qualifier. 309a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 310a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *return_type; 311a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 312a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 313f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_variable of function parameters. 314f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * 315f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * This represents the storage. The paramaters passed in a particular 316f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * call will be in ir_call::actual_paramaters. 317a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 3180044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list parameters; 319a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 3209fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke /** Whether or not this function has a body (which may be empty). */ 3219fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke unsigned is_defined:1; 3226a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 32313f782c4ae4e38e64ec4fe87a1c24597a5e894c3Ian Romanick /** Whether or not this function signature is a built-in. */ 32413f782c4ae4e38e64ec4fe87a1c24597a5e894c3Ian Romanick unsigned is_built_in:1; 32513f782c4ae4e38e64ec4fe87a1c24597a5e894c3Ian Romanick 326894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /** Body of instructions in the function. */ 327894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt struct exec_list body; 328894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt 3296a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanickprivate: 3306a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick /** Function of which this signature is one overload. */ 331df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick class ir_function *_function; 3326a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 3336a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick friend class ir_function; 334a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 335a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 336a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 337a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 3389fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Header for tracking multiple overloaded functions with the same name. 3399fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Contains a list of ir_function_signatures representing each of the 3409fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * actual functions. 341a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 342a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function : public ir_instruction { 343a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 344882dad75408fc4071a9dd700309f9e54f6ad2650Ian Romanick ir_function(const char *name); 345a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 346ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_function *clone(struct hash_table *ht) const; 3474b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 3486202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual ir_function *as_function() 3496202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke { 3506202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke return this; 3516202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke } 3526202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke 35378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 35478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 35578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 35678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 35778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 3588895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 3598895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 3606a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick void add_signature(ir_function_signature *sig) 3616a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick { 362df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick sig->_function = this; 363df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick this->signatures.push_tail(sig); 3646a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick } 3656a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 366a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 36795cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick * Get an iterator for the set of function signatures 36895cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick */ 36995cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick exec_list_iterator iterator() 37095cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick { 37195cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick return signatures.iterator(); 37295cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick } 37395cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick 37495cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick /** 3750d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that matches a set of actual parameters, taking implicit 3760d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * conversions into account. 377471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 37811fc7beb2fa82179cfd9202449e1365b28f868a9Ian Romanick ir_function_signature *matching_signature(exec_list *actual_param); 379471471f83471481db0445e73f8c89e6a9149838eIan Romanick 380471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 3810d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that exactly matches a set of actual parameters without 3820d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * any implicit type conversions. 3830d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke */ 3840d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke ir_function_signature *exact_matching_signature(exec_list *actual_ps); 3850d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke 3860d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke /** 387a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Name of the function. 388a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 389a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 390a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 391a4775823b09f0ff77a46e8f35fba32234791a64cIan Romanickprivate: 392471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 393f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_function_signature for each overloaded function with this name. 394471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 3950044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list signatures; 396a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 3970f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 3980f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanickinline const char *ir_function_signature::function_name() const 3990f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick{ 400df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function->name; 4010f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick} 402a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@}*/ 403a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 404a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 4053c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick/** 4063c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick * IR instruction representing high-level if-statements 4073c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick */ 4083c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickclass ir_if : public ir_instruction { 4093c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickpublic: 4103c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_if(ir_rvalue *condition) 4113c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick : condition(condition) 4123c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 4133c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick /* empty */ 4143c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 4153c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 416ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_if *clone(struct hash_table *ht) const; 4174b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 4185ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual ir_if *as_if() 4195ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt { 4205ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt return this; 4215ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt } 4225ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt 4233c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick virtual void accept(ir_visitor *v) 4243c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 4253c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick v->visit(this); 4263c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 4273c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 4288895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4298895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 4303c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_rvalue *condition; 431f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the then branch */ 4323c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list then_instructions; 433f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the else branch */ 4343c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list else_instructions; 4353c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick}; 4363c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 4373c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 438fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick/** 439fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * IR instruction representing a high-level loop structure. 440fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 441fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickclass ir_loop : public ir_instruction { 442fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickpublic: 443fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_loop() : from(NULL), to(NULL), increment(NULL), counter(NULL) 444fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 445fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /* empty */ 446fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 447fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 448ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_loop *clone(struct hash_table *ht) const; 4494b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 450fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick virtual void accept(ir_visitor *v) 451fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 452fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick v->visit(this); 453fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 454fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 4558895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4568895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 45701f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual ir_loop *as_loop() 45801f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick { 45901f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick return this; 46001f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick } 46101f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick 462fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 463fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * Get an iterator for the instructions of the loop body 464fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 465fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list_iterator iterator() 466fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 467fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick return body_instructions.iterator(); 468fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 469fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 470f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction that make up the body of the loop. */ 471fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list body_instructions; 472fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 473fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 474fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * \name Loop counter and controls 475fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 476fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@{*/ 477fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *from; 478fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *to; 479fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *increment; 480fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_variable *counter; 481fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@}*/ 482fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick}; 483fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 484fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 485fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_assignment : public ir_rvalue { 486a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 487fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); 488a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 489ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_assignment *clone(struct hash_table *ht) const; 4904b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 49178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 49278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 49378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 49478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 49578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 4968895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4978895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 498cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_assignment * as_assignment() 499cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 500cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 501cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 502cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 503a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 504a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Left-hand side of the assignment. 505a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 506fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *lhs; 507a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 508a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 509a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value being assigned 510a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 511fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *rhs; 512a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 513a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 514a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Optional condition for the assignment. 515a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 516fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *condition; 517a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 518a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5193b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke/* Update ir_expression::num_operands() and operator_strs when 520160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt * updating this list. 5213b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 522a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_expression_operation { 523a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_bit_not, 524a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_logic_not, 525a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_neg, 526a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_abs, 527a4b7b5a654ca810e296bb0cca1b27b8847f5548aKenneth Graunke ir_unop_sign, 528a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rcp, 529a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rsq, 53044d68fd06ff8b53fc70a9a07c897dda9b3457ef8Eric Anholt ir_unop_sqrt, 531a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_exp, 532a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_log, 53301665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_exp2, 53401665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_log2, 535a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_f2i, /**< Float-to-integer conversion. */ 536a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_i2f, /**< Integer-to-float conversion. */ 537dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_f2b, /**< Float-to-boolean conversion */ 538dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_b2f, /**< Boolean-to-float conversion */ 539c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_i2b, /**< int-to-boolean conversion */ 540c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_b2i, /**< Boolean-to-int conversion */ 5416c86ea8adc095abeef7b3cd63d3321185542bf36Ian Romanick ir_unop_u2f, /**< Unsigned-to-float conversion. */ 542a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 543a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 544a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Unary floating-point rounding operations. 545a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 546a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 547a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_trunc, 548a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_ceil, 549a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_floor, 550d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt ir_unop_fract, 551a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 552a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 55357e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /** 55457e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke * \name Trigonometric operations. 55557e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke */ 55657e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@{*/ 55757e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_sin, 55857e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_cos, 55957e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@}*/ 56057e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke 561b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /** 562b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke * \name Partial derivatives. 563b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke */ 564b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@{*/ 565b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdx, 566b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdy, 567b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@}*/ 568b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke 569a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_add, 570a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_sub, 571a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mul, 572a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_div, 5738a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt 5748a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt /** 5758a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Takes one of two combinations of arguments: 5768a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 5778a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, vecN) 5788a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, float) 5798a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 5808a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Does not take integer types. 5818a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt */ 582a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mod, 583a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 584a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 585a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Binary comparison operators 586a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 587a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 588a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_less, 589a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_greater, 590a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lequal, 591a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_gequal, 592a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_equal, 593a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_nequal, 594a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 595a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 596a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 597a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Bit-wise binary operations. 598a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 599a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 600a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lshift, 601a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_rshift, 602a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_and, 603a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_xor, 604a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_or, 605a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 606a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 607a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_and, 608a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_xor, 609a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_or, 610a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 611a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_dot, 6129be7f638130f46a9df2bfbcd4a03b36de9e4f3aaEric Anholt ir_binop_cross, 613a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_min, 614a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_max, 615a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 616a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_pow 617a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 618a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 619fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_expression : public ir_rvalue { 620a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 621a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression(int op, const struct glsl_type *type, 622fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *, ir_rvalue *); 623a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 6246d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual ir_expression *as_expression() 6256d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt { 6266d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt return this; 6276d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt } 6286d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt 629ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_expression *clone(struct hash_table *ht) const; 6304b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 6317dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke static unsigned int get_num_operands(ir_expression_operation); 6324b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt unsigned int get_num_operands() const 6337dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke { 6347dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke return get_num_operands(operation); 6357dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke } 636160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt 6373b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 6383b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Return a string representing this expression's operator. 6393b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 6403b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke const char *operator_string(); 6413b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 6423b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 6433b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Do a reverse-lookup to translate the given string into an operator. 6443b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 6453b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke static ir_expression_operation get_operator(const char *); 6463b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 64778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 64878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 64978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 65078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 65178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 6528895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6538895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 654a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression_operation operation; 655fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *operands[2]; 656a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 657a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 658a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 659ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick/** 660ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * IR instruction representing a function call 661ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 662fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_call : public ir_rvalue { 663ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickpublic: 6641f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_call(ir_function_signature *callee, exec_list *actual_parameters) 665b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(callee) 666ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 6679e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick assert(callee->return_type != NULL); 6689e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick type = callee->return_type; 669471471f83471481db0445e73f8c89e6a9149838eIan Romanick actual_parameters->move_nodes_to(& this->actual_parameters); 670ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 671ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 672ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_call *clone(struct hash_table *ht) const; 6734b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 674cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_call *as_call() 675cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 676cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 677cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 678cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 679ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick virtual void accept(ir_visitor *v) 680ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 681ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick v->visit(this); 682ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 683ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 6848895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6858895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 686ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick /** 687ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * Get a generic ir_call object when an error occurs 688e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * 689e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * Any allocation will be performed with 'ctx' as talloc owner. 690ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 691e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth static ir_call *get_error_instruction(void *ctx); 692ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 6939878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick /** 6949878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick * Get an iterator for the set of acutal parameters 6959878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick */ 6969878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick exec_list_iterator iterator() 6979878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick { 6989878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick return actual_parameters.iterator(); 6999878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick } 7009878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick 70193614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick /** 70293614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick * Get the name of the function being called. 70393614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick */ 70493614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick const char *callee_name() const 70593614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick { 7060f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick return callee->function_name(); 70793614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick } 70893614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick 7091f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *get_callee() 710cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 711cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return callee; 712cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 713cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 714cad9766118d269725ef33b4e9588d674d5225010Eric Anholt /** 715792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick * Set the function call target 716792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick */ 7171f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt void set_callee(ir_function_signature *sig); 718792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick 719792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick /** 720cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * Generates an inline version of the function before @ir, 721cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * returning the return value of the function. 722cad9766118d269725ef33b4e9588d674d5225010Eric Anholt */ 723cad9766118d269725ef33b4e9588d674d5225010Eric Anholt ir_rvalue *generate_inline(ir_instruction *ir); 724cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 725ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickprivate: 726471471f83471481db0445e73f8c89e6a9149838eIan Romanick ir_call() 727b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(NULL) 728471471f83471481db0445e73f8c89e6a9149838eIan Romanick { 729471471f83471481db0445e73f8c89e6a9149838eIan Romanick /* empty */ 730471471f83471481db0445e73f8c89e6a9149838eIan Romanick } 731471471f83471481db0445e73f8c89e6a9149838eIan Romanick 7321f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *callee; 733f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt 734f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /* List of ir_rvalue of paramaters passed in this call. */ 735ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick exec_list actual_parameters; 736ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick}; 737ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 738ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 7399578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/** 7409578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * \name Jump-like IR instructions. 7419578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * 7429578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * These include \c break, \c continue, \c return, and \c discard. 7439578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick */ 7449578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@{*/ 7459578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_jump : public ir_instruction { 7469578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickprotected: 7479578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_jump() 7489578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 7499578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick /* empty */ 7509578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7519578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 7529578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 7539578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_return : public ir_jump { 7549578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickpublic: 7559578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_return() 7569578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(NULL) 7579578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 7589578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick /* empty */ 7599578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7609578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 761fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_return(ir_rvalue *value) 7629578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(value) 7639578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 7649578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick /* empty */ 7659578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7669578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 767ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_return *clone(struct hash_table *) const; 7684b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 769cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_return *as_return() 770cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 771cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 772cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 773cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 774fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *get_value() const 7759578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 7769578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick return value; 7779578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7789578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 7799578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick virtual void accept(ir_visitor *v) 7809578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 7819578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick v->visit(this); 7829578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7839578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 7848895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 7858895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 786fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *value; 7879578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 788f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 789f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 790f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick/** 791f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * Jump instructions used inside loops 792f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 793f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * These include \c break and \c continue. The \c break within a loop is 794f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * different from the \c break within a switch-statement. 795f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 796f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * \sa ir_switch_jump 797f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick */ 798f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickclass ir_loop_jump : public ir_jump { 799f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickpublic: 800f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode { 801f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_break, 802f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_continue 803f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick }; 804f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 8054b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt ir_loop_jump(jump_mode mode) 806f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 8070c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->mode = mode; 8080c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->loop = loop; 809f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 810f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 811ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_loop_jump *clone(struct hash_table *) const; 8124b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 813f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick virtual void accept(ir_visitor *v) 814f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 815f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick v->visit(this); 816f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 817f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 8188895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 8198895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 820f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_break() const 821f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 822f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_break; 823f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 824f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 825f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_continue() const 826f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 827f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_continue; 828f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 829f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 830f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick /** Mode selector for the jump instruction. */ 831f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode mode; 8320c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholtprivate: 8330c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt /** Loop containing this break instruction. */ 8340c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt ir_loop *loop; 835f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick}; 83616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 83716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke/** 83816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke * IR instruction representing discard statements. 83916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke */ 84016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkeclass ir_discard : public ir_jump { 84116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkepublic: 84216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard() 84316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 84416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = NULL; 84516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 84616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 84716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard(ir_rvalue *cond) 84816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 84916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = cond; 85016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 85116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 852ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_discard *clone(struct hash_table *ht) const; 85316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 85416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual void accept(ir_visitor *v) 85516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 85616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke v->visit(this); 85716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 85816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 85916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 86016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 86116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_rvalue *condition; 86216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke}; 8639578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@}*/ 8649578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 8659578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 86681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 86781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texture sampling opcodes used in ir_texture 86881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 86981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickenum ir_texture_opcode { 87081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_tex, /* Regular texture look-up */ 87181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txb, /* Texture look-up with LOD bias */ 87281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txl, /* Texture look-up with explicit LOD */ 87381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txd, /* Texture look-up with partial derivatvies */ 87481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txf /* Texel fetch with explicit LOD */ 87581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 87681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 87781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 87881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 87981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * IR instruction to sample a texture 88081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 88181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * The specific form of the IR instruction depends on the \c mode value 88281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * selected from \c ir_texture_opcodes. In the printed IR, these will 88381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * appear as: 88481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 88581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texel offset 88681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | Projection divisor 88781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | | Shadow comparitor 88881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | | | 88981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * v v v 89081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (tex (sampler) (coordinate) (0 0 0) (1) ( )) 89181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txb (sampler) (coordinate) (0 0 0) (1) ( ) (bias)) 89281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txl (sampler) (coordinate) (0 0 0) (1) ( ) (lod)) 89381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txd (sampler) (coordinate) (0 0 0) (1) ( ) (dPdx dPdy)) 89481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txf (sampler) (coordinate) (0 0 0) (lod)) 89581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 89681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickclass ir_texture : public ir_rvalue { 89781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickpublic: 89881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_texture(enum ir_texture_opcode op) 899b97efa5db5fce2e0d9a4c61a939c85b240c89170Kenneth Graunke : op(op), projector(NULL), shadow_comparitor(NULL) 90081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick { 90181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /* empty */ 90281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } 90381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 904ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_texture *clone(struct hash_table *) const; 9054b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 90626d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual void accept(ir_visitor *v) 90726d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke { 90826d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke v->visit(this); 90926d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke } 91026d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 91126d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 91226d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 913c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 914c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Return a string representing the ir_texture_opcode. 915c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 916c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke const char *opcode_string(); 917c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 91856d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke /** Set the sampler and infer the type. */ 91956d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke void set_sampler(ir_dereference *sampler); 92056d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke 921c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 922c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Do a reverse-lookup to translate a string into an ir_texture_opcode. 923c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 924c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke static ir_texture_opcode get_opcode(const char *); 925c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 92681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick enum ir_texture_opcode op; 92781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 92881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Sampler to use for the texture access. */ 92981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_dereference *sampler; 93081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 93181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Texture coordinate to sample */ 93281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *coordinate; 93381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 93481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 93581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Value used for projective divide. 93681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 93781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no projective divide (the common case), this will be 93881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c NULL. Optimization passes should check for this to point to a constant 93981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * of 1.0 and replace that with \c NULL. 94081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 94181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *projector; 94281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 94381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 94481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Coordinate used for comparison on shadow look-ups. 94581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 94681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no shadow comparison, this will be \c NULL. For the 94781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c ir_txf opcode, this *must* be \c NULL. 94881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 94981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *shadow_comparitor; 95081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 95181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Explicit texel offsets. */ 95281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick signed char offsets[3]; 95381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 95481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick union { 95581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *lod; /**< Floating point LOD */ 95681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *bias; /**< Floating point LOD bias */ 95781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick struct { 95881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ 95981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ 96081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } grad; 96181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } lod_info; 96281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 96381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 96481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 965a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickstruct ir_swizzle_mask { 966a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned x:2; 967a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned y:2; 968a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned z:2; 969a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned w:2; 970a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 971a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 972a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Number of components in the swizzle. 973a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 974f25a5ad93961c335b56d4f0508cc5c00b77ee519Kenneth Graunke unsigned num_components:3; 975a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 976a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 977a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Does the swizzle contain duplicate components? 978a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 979a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * L-value swizzles cannot contain duplicate components. 980a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 981a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned has_duplicates:1; 982a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 983a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 984affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 985affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkeclass ir_swizzle : public ir_rvalue { 986affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkepublic: 987affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, 988affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke unsigned count); 9896315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 9906315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); 9916315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 99205a4e59c2410292f595cfe0cc552a86ae69b20d2Eric Anholt ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); 993cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 994ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_swizzle *clone(struct hash_table *) const; 9954b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 9967d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual ir_swizzle *as_swizzle() 9977d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt { 9987d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt return this; 9997d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt } 10007d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt 1001affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke /** 1002affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke * Construct an ir_swizzle from the textual representation. Can fail. 1003affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke */ 1004affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); 1005affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1006affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke virtual void accept(ir_visitor *v) 1007affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1008affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke v->visit(this); 1009affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1010affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 10118895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 10128895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1013affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke bool is_lvalue() 1014affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1015a9fafc6504ebccdc0fee3d2529c3fe6068cc86b8Eric Anholt return val->is_lvalue() && !mask.has_duplicates; 1016affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1017affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 10182b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 10192b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 10202b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 10212b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced(); 10222b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 1023affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_rvalue *val; 1024affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle_mask mask; 10256315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 10266315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanickprivate: 10276315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick /** 10286315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * Initialize the mask component of a swizzle 10296315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * 10306315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * This is used by the \c ir_swizzle constructors. 10316315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick */ 10326315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick void init_mask(const unsigned *components, unsigned count); 1033affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke}; 1034affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1035affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1036fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_dereference : public ir_rvalue { 1037a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1038ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference *clone(struct hash_table *) const = 0; 1039ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 104044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_dereference *as_dereference() 104144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 104244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 104344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 104444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 1045c7da28b4beb3a593f49a6c01a90b123584b421e8Eric Anholt bool is_lvalue(); 1046fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 10472b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 10482b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 10492b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 105070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() = 0; 105170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 105270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 105370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 105470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_variable : public ir_dereference { 105570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 105670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_variable(ir_variable *var); 105770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1058ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference_variable *clone(struct hash_table *) const; 10594b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1060d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual ir_dereference_variable *as_dereference_variable() 1061d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt { 1062d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt return this; 1063d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 1064d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 106570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 106670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 106770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 106870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 106970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 107036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->var; 107170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1072f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1073b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 1074b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 1075b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /* ir_dereference_variable objects always dereference the entire 1076b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * variable. However, if this dereference is dereferenced by anything 1077b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * else, the complete deferefernce chain is not a whole-variable 1078b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * dereference. This method should only be called on the top most 1079b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * ir_rvalue in a dereference chain. 1080b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 1081b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return this->var; 1082b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 1083b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 1084c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1085c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1086c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1087c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1088c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1089f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 109036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 109136ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick /** 109236ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick * Object being dereferenced. 109336ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick */ 109436ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_variable *var; 109570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 109670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 109770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 109870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_array : public ir_dereference { 109970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 110070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); 110170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 110270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_variable *var, ir_rvalue *array_index); 110370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1104ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference_array *clone(struct hash_table *) const; 11054b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1106b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual ir_dereference_array *as_dereference_array() 1107b145e903694fa932ab1e0d955e889555193ab604Eric Anholt { 1108b145e903694fa932ab1e0d955e889555193ab604Eric Anholt return this; 1109b145e903694fa932ab1e0d955e889555193ab604Eric Anholt } 1110b145e903694fa932ab1e0d955e889555193ab604Eric Anholt 111170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 111270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 111370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 111470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 111570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 111636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->array->variable_referenced(); 111770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 111870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1119c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1120c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1121c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1122c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1123c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1124f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 112570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 112636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array; 112736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array_index; 112836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 112970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickprivate: 113070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick void set_array(ir_rvalue *value); 113170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 113270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 113370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 113470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_record : public ir_dereference { 113570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 113670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_rvalue *value, const char *field); 113770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 113870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_variable *var, const char *field); 113970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1140ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference_record *clone(struct hash_table *) const; 11414b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 114270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 114370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 114470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 114570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 114670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 114736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->record->variable_referenced(); 114870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1149f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1150c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1151c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1152c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1153c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1154c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1155f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 115636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 115736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *record; 115836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick const char *field; 1159a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1160a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1161a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1162be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick/** 1163be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick * Data stored in an ir_constant 1164be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick */ 1165be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanickunion ir_constant_data { 1166be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick unsigned u[16]; 1167be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick int i[16]; 1168be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick float f[16]; 1169be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick bool b[16]; 1170be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick}; 1171be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1172be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1173fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_constant : public ir_rvalue { 1174a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1175824b659d917a5f14a1f66b891d25036ef9f9adc6Ian Romanick ir_constant(const struct glsl_type *type, const ir_constant_data *data); 11763c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(bool b); 11773c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(unsigned int u); 11783c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(int i); 11793c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(float f); 1180a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1181989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick /** 1182756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick * Construct an ir_constant from a list of ir_constant values 1183756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick */ 1184756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick ir_constant(const struct glsl_type *type, exec_list *values); 1185756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick 1186756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick /** 1187989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * Construct an ir_constant from a scalar component of another ir_constant 1188989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1189989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * The new \c ir_constant inherits the type of the component from the 1190989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * source constant. 1191989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1192989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * \note 1193989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * In the case of a matrix constant, the new constant is a scalar, \b not 1194989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * a vector. 1195989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick */ 1196989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick ir_constant(const ir_constant *c, unsigned i); 1197989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick 1198ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_constant *clone(struct hash_table *) const; 11994b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 12005c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual ir_constant *as_constant() 12015c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt { 12025c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt return this; 12035c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt } 12045c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt 120578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 120678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 120778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 120878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 120978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 12108895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 12118895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1212a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 121331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * Get a particular component of a constant as a specific type 121431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * 121531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * This is useful, for example, to get a value from an integer constant 121631881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * as a float or bool. This appears frequently when constructors are 121731881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * called with all constant parameters. 121831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick */ 121931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@{*/ 122031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick bool get_bool_component(unsigned i) const; 122131881908ebc11d84c2ff1821410c91340686aa17Ian Romanick float get_float_component(unsigned i) const; 122231881908ebc11d84c2ff1821410c91340686aa17Ian Romanick int get_int_component(unsigned i) const; 122331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick unsigned get_uint_component(unsigned i) const; 122431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@}*/ 122531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick 1226b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick ir_constant *get_record_field(const char *name); 1227b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick 122831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /** 12291e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick * Determine whether a constant has the same value as another constant 12301e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick */ 12311e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick bool has_value(const ir_constant *) const; 12321e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick 12331e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick /** 1234a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value of the constant. 1235a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1236a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The field used to back the values supplied by the constant is determined 1237a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * by the type associated with the \c ir_instruction. Constants may be 1238a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * scalars, vectors, or matrices. 1239a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1240be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick union ir_constant_data value; 12417f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick 12427f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick exec_list components; 1243710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick 1244710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanickprivate: 1245710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick /** 1246710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick * Parameterless constructor only used by the clone method 1247710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick */ 1248710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick ir_constant(void); 1249a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1250a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 125170b74928a220aff024664714877defb0caedf33fEric Anholtvoid 125270b74928a220aff024664714877defb0caedf33fEric Anholtvisit_exec_list(exec_list *list, ir_visitor *visitor); 1253adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick 125453cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholtvoid validate_ir_tree(exec_list *instructions); 125553cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholt 1256f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick/** 1257f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * Make a clone of each IR instruction in a list 1258f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * 1259f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param in List of IR instructions that are to be cloned 1260f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param out List to hold the cloned instructions 1261f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick */ 1262f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickvoid 1263f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickclone_ir_list(exec_list *out, const exec_list *in); 1264f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick 1265adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanickextern void 1266adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick_mesa_glsl_initialize_variables(exec_list *instructions, 1267adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick struct _mesa_glsl_parse_state *state); 1268e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 1269c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholtextern void 1270c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt_mesa_glsl_initialize_functions(exec_list *instructions, 1271c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt struct _mesa_glsl_parse_state *state); 1272c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt 1273e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#endif /* IR_H */ 1274