ir.h revision d16044ad4d6176fec6164f96450a25f76b7677f1
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 44d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholtenum ir_node_type { 45d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_unset, 46d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_variable, 47d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_assignment, 48d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_call, 49d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_constant, 50d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_array, 51d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_record, 52d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_dereference_variable, 53d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_discard, 54d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_expression, 55d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function, 56d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_function_signature, 57d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_if, 58d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop, 59d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_loop_jump, 60d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_return, 61d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_swizzle, 62d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_texture, 63d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type_max, /**< maximum ir_type enum number, for validation */ 64d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt}; 65d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt 66a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 67a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Base class of all IR instructions 68a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 690044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanickclass ir_instruction : public exec_node { 70a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 71d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt enum ir_node_type ir_type; 72a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *type; 73a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 741cf43a4331dfe62aaa834e5bc6319b43eac98445Ian Romanick class ir_constant *constant_expression_value(); 75e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 76e46a454305af64710ce8deadafc718f75363ac7eEric Anholt /** ir_print_visitor helper for debugging. */ 774b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt void print(void) const; 78e46a454305af64710ce8deadafc718f75363ac7eEric Anholt 7978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *) = 0; 808895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *) = 0; 814b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt virtual ir_instruction *clone(struct hash_table *ht) const = 0; 8278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 8344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /** 8444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \name IR instruction downcast functions 8544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * 8644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * These functions either cast the object to a derived class or return 8744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * \c NULL if the object's type does not match the specified derived class. 8844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke * Additional downcast functions will be added as needed. 8944e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke */ 9044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@{*/ 9144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_variable * as_variable() { return NULL; } 926202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual class ir_function * as_function() { return NULL; } 9344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual class ir_dereference * as_dereference() { return NULL; } 94b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual class ir_dereference_array * as_dereference_array() { return NULL; } 95d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual class ir_dereference_variable *as_dereference_variable() { return NULL; } 966d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual class ir_expression * as_expression() { return NULL; } 97fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual class ir_rvalue * as_rvalue() { return NULL; } 9801f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual class ir_loop * as_loop() { return NULL; } 99cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_assignment * as_assignment() { return NULL; } 100cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_call * as_call() { return NULL; } 101cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual class ir_return * as_return() { return NULL; } 1025ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual class ir_if * as_if() { return NULL; } 1037d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual class ir_swizzle * as_swizzle() { return NULL; } 1045c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual class ir_constant * as_constant() { return NULL; } 10544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke /*@}*/ 10644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 107a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickprotected: 10844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke ir_instruction() 109d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick { 110d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 111d27ec2461bca2625d09a3592ec8cc4137d4347f3Ian Romanick } 112a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 113a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 114a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 115fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_rvalue : public ir_instruction { 116fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkepublic: 117ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_rvalue *clone(struct hash_table *) const = 0; 118ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 119fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual ir_rvalue * as_rvalue() 120fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 121fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return this; 122fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 123fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 124fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke virtual bool is_lvalue() 125fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke { 126fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke return false; 127fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke } 128fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 1292b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 1302b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 1312b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 1322b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced() 1332b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick { 1342b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick return NULL; 1352b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick } 1362b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 137b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 138b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /** 139b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * If an r-value is a reference to a whole variable, get that variable 140b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * 141b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * \return 142b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * Pointer to a variable that is completely dereferenced by the r-value. If 143b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * the r-value is not a dereference or the dereference does not access the 144b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * entire variable (i.e., it's just one array element, struct field), \c NULL 145b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * is returned. 146b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 147b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 148b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 149b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return NULL; 150b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 151b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 152fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeprotected: 153b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick ir_rvalue() 154b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick { 155b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick /* empty */ 156b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick } 157fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke}; 158fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 159fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 160a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_variable_mode { 161a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_auto = 0, 162a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_uniform, 163a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_in, 164a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_out, 165a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_inout 166a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 167a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 168a22426dc4c934673e8f0af5c70a67505a4de7aadCarl Worthenum ir_variable_interpolation { 169a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_smooth = 0, 170a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_flat, 171a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_var_noperspective 172a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 173a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 174fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 175a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_variable : public ir_instruction { 176a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 177a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_variable(const struct glsl_type *, const char *); 178a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 179ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_variable *clone(struct hash_table *ht) const; 1804b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 18144e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_variable *as_variable() 18244e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 18344e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 18444e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 18544e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 18678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 18778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 18878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 18978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 19078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 1918895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 1928895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1932d394d4877794d19756c3760d711524dca89f772Ian Romanick 194950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick /** 195950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * Get the string value for the interpolation qualifier 196950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * 197950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * \return 198950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * If none of \c shader_in or \c shader_out is set, an empty string will 199950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * be returned. Otherwise the string that would be used in a shader to 200950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick * specify \c mode will be returned. 201950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick */ 202950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick const char *interpolation_string() const; 203950ceb2bd60c25e7fecdff0fbcbf6e69015588f3Ian Romanick 2048b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick /** 2058b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * Calculate the number of slots required to hold this variable 2068b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * 2078b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * This is used to determine how many uniform or varying locations a variable 2088b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick * occupies. The count is in units of floating point components. 2098b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick */ 2108b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick unsigned component_slots() const; 2118b80e9f9e3bc9ca41c95125826139471f73602c4Ian Romanick 212a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 213a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 214b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick /** 215b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Highest element accessed with a constant expression array index 216b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * 217b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick * Not used for non-array variables. 218b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick */ 219b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick unsigned max_array_access; 220b8a21cc6df7e9da15a24ed3dbf60cd4aeb8effaaIan Romanick 221a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned read_only:1; 222a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned centroid:1; 223a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned invariant:1; 22471df19f5ef6e78beb5160801f81468184b75447eEric Anholt /** If the variable is initialized outside of the scope of the shader */ 22571df19f5ef6e78beb5160801f81468184b75447eEric Anholt unsigned shader_in:1; 22671df19f5ef6e78beb5160801f81468184b75447eEric Anholt /** 22771df19f5ef6e78beb5160801f81468184b75447eEric Anholt * If the variable value is later used outside of the scope of the shader. 22871df19f5ef6e78beb5160801f81468184b75447eEric Anholt */ 22971df19f5ef6e78beb5160801f81468184b75447eEric Anholt unsigned shader_out:1; 230a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 231a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned mode:3; 232a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned interpolation:2; 2339d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick 2349d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick /** 2359d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * Flag that the whole array is assignable 2369d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * 2379d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * In GLSL 1.20 and later whole arrays are assignable (and comparable for 2389d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick * equality). This flag enables this behavior. 2399d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick */ 2409d975377ca6dae7805804c0fbe625bb7c5f9e095Ian Romanick unsigned array_lvalue:1; 241326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt 242326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt /** 24369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * Storage location of the base of this variable 24469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 24569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * The precise meaning of this field depends on the nature of the variable. 24669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 24769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader input: one of the values from \c gl_vert_attrib. 24869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Vertex shader output: one of the values from \c gl_vert_result. 24969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader input: one of the values from \c gl_frag_attrib. 25069a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Fragment shader output: one of the values from \c gl_frag_result. 25169a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Uniforms: Per-stage uniform slot number. 25269a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * - Other: This field is not currently used. 25369a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * 25469a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * If the variable is a uniform, shader input, or shader output, and the 25569a079aee8f79104501faeb2a5092b643f956d33Ian Romanick * slot has not been assigned, the value will be -1. 25669a079aee8f79104501faeb2a5092b643f956d33Ian Romanick */ 25769a079aee8f79104501faeb2a5092b643f956d33Ian Romanick int location; 25869a079aee8f79104501faeb2a5092b643f956d33Ian Romanick 25969a079aee8f79104501faeb2a5092b643f956d33Ian Romanick /** 260c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick * Emit a warning if this variable is accessed. 261c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick */ 262c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick const char *warn_extension; 263c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick 264c178c74c27ab292651dcf7da02a7d035366cae04Ian Romanick /** 265326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt * Value assigned in the initializer of a variable declared "const" 266326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt */ 267326c676236e6a3c90db63e4d0c893aa4f9c21876Eric Anholt ir_constant *constant_value; 268a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 269a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 270a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 271a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@{*/ 2729fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke/** 2739fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * The representation of a function instance; may be the full definition or 2749fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * simply a prototype. 2759fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke */ 276a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function_signature : public ir_instruction { 277894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /* An ir_function_signature will be part of the list of signatures in 278894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt * an ir_function. 279894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt */ 280a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 281e39cc69fa3cb830b803fe0c4f6c30915aa886b5bIan Romanick ir_function_signature(const glsl_type *return_type); 282a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 283ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_function_signature *clone(struct hash_table *ht) const; 2844b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 28578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 28678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 28778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 28878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 28978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 2908895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 2918895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 292a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 2930f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick * Get the name of the function for which this is a signature 2940f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick */ 2950f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick const char *function_name() const; 2960f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 2970f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick /** 298df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * Get a handle to the function for which this is a signature 299df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 300df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * There is no setter function, this function returns a \c const pointer, 301df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * and \c ir_function_signature::_function is private for a reason. The 302df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * only way to make a connection between a function and function signature 303df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * is via \c ir_function::add_signature. This helps ensure that certain 304df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * invariants (i.e., a function signature is in the list of signatures for 305df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * its \c _function) are met. 306df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * 307df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick * \sa ir_function::add_signature 308df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick */ 309df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick inline const class ir_function *function() const 310df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick { 311df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function; 312df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick } 313df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick 314df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick /** 315abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * Check whether the qualifiers match between this signature's parameters 316abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * and the supplied parameter list. If not, returns the name of the first 317abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke * parameter with mismatched qualifiers (for use in error messages). 318abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke */ 319abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke const char *qualifiers_match(exec_list *params); 320abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke 321abd40b15210c17b2a3ba8fcffc868fda203efa01Kenneth Graunke /** 322bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * Replace the current parameter list with the given one. This is useful 323bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * if the current information came from a prototype, and either has invalid 324bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke * or missing parameter names. 325bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke */ 326bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke void replace_parameters(exec_list *new_params); 327bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke 328bff6013d469b3d4e54cdc5731801c56994a523ecKenneth Graunke /** 329a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Function return type. 330a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 331a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \note This discards the optional precision qualifier. 332a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 333a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const struct glsl_type *return_type; 334a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 335a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 336f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_variable of function parameters. 337f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * 338f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * This represents the storage. The paramaters passed in a particular 339f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * call will be in ir_call::actual_paramaters. 340a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 3410044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list parameters; 342a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 3439fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke /** Whether or not this function has a body (which may be empty). */ 3449fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke unsigned is_defined:1; 3456a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 34613f782c4ae4e38e64ec4fe87a1c24597a5e894c3Ian Romanick /** Whether or not this function signature is a built-in. */ 34713f782c4ae4e38e64ec4fe87a1c24597a5e894c3Ian Romanick unsigned is_built_in:1; 34813f782c4ae4e38e64ec4fe87a1c24597a5e894c3Ian Romanick 349894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt /** Body of instructions in the function. */ 350894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt struct exec_list body; 351894ea972a4defdaafeaa3a248c113b06c7ae0c7eEric Anholt 3526a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanickprivate: 3536a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick /** Function of which this signature is one overload. */ 354df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick class ir_function *_function; 3556a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 3566a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick friend class ir_function; 357a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 358a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 359a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 360a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/** 3619fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Header for tracking multiple overloaded functions with the same name. 3629fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * Contains a list of ir_function_signatures representing each of the 3639fa99f3b6c84fe927ba97e6584cd919f097a6c9aKenneth Graunke * actual functions. 364a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 365a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickclass ir_function : public ir_instruction { 366a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 367882dad75408fc4071a9dd700309f9e54f6ad2650Ian Romanick ir_function(const char *name); 368a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 369ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_function *clone(struct hash_table *ht) const; 3704b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 3716202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke virtual ir_function *as_function() 3726202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke { 3736202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke return this; 3746202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke } 3756202cbfe3614141e330501959a7322522b35f4e4Kenneth Graunke 37678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 37778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 37878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 37978b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 38078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 3818895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 3828895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 3836a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick void add_signature(ir_function_signature *sig) 3846a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick { 385df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick sig->_function = this; 386df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick this->signatures.push_tail(sig); 3876a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick } 3886a15d5b514b703ff8dd024f96ffbcb68484a954eIan Romanick 389a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 39095cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick * Get an iterator for the set of function signatures 39195cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick */ 39295cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick exec_list_iterator iterator() 39395cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick { 39495cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick return signatures.iterator(); 39595cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick } 39695cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick 39795cd6cc195f4652378d7ecf614c6e1c568311a04Ian Romanick /** 3980d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that matches a set of actual parameters, taking implicit 3990d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * conversions into account. 400471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 40111fc7beb2fa82179cfd9202449e1365b28f868a9Ian Romanick ir_function_signature *matching_signature(exec_list *actual_param); 402471471f83471481db0445e73f8c89e6a9149838eIan Romanick 403471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 4040d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * Find a signature that exactly matches a set of actual parameters without 4050d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke * any implicit type conversions. 4060d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke */ 4070d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke ir_function_signature *exact_matching_signature(exec_list *actual_ps); 4080d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke 4090d605cb97c9cd2f9a170e3aa15bdf4021a75fc14Kenneth Graunke /** 410a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Name of the function. 411a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 412a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick const char *name; 413a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 414a4775823b09f0ff77a46e8f35fba32234791a64cIan Romanickprivate: 415471471f83471481db0445e73f8c89e6a9149838eIan Romanick /** 416f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt * List of ir_function_signature for each overloaded function with this name. 417471471f83471481db0445e73f8c89e6a9149838eIan Romanick */ 4180044e7edcea22d2456c051a1c4b744a26960ad27Ian Romanick struct exec_list signatures; 419a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 4200f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick 4210f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanickinline const char *ir_function_signature::function_name() const 4220f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick{ 423df05ad4e1aa5512ce1dfd2e6661641e012c8b279Ian Romanick return this->_function->name; 4240f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick} 425a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick/*@}*/ 426a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 427a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 4283c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick/** 4293c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick * IR instruction representing high-level if-statements 4303c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick */ 4313c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickclass ir_if : public ir_instruction { 4323c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanickpublic: 4333c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_if(ir_rvalue *condition) 4343c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick : condition(condition) 4353c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 436d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_if; 4373c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 4383c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 439ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_if *clone(struct hash_table *ht) const; 4404b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 4415ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt virtual ir_if *as_if() 4425ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt { 4435ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt return this; 4445ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt } 4455ba94206083fcd678febd6cac0231f35c0f1b77aEric Anholt 4463c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick virtual void accept(ir_visitor *v) 4473c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick { 4483c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick v->visit(this); 4493c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick } 4503c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 4518895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4528895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 4533c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick ir_rvalue *condition; 454f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the then branch */ 4553c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list then_instructions; 456f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction for the body of the else branch */ 4573c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick exec_list else_instructions; 4583c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick}; 4593c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 4603c6fea3048a0d9add2fec621d30c32f3519d8868Ian Romanick 461fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick/** 462fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * IR instruction representing a high-level loop structure. 463fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 464fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickclass ir_loop : public ir_instruction { 465fad607a9be59056aecda50176b4d20a8b5319747Ian Romanickpublic: 466fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_loop() : from(NULL), to(NULL), increment(NULL), counter(NULL) 467fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 468d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_loop; 469fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 470fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 471ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_loop *clone(struct hash_table *ht) const; 4724b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 473fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick virtual void accept(ir_visitor *v) 474fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 475fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick v->visit(this); 476fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 477fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 4788895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 4798895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 48001f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick virtual ir_loop *as_loop() 48101f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick { 48201f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick return this; 48301f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick } 48401f8de4a87157b01e8b9fe31c6766a15bbfb2788Ian Romanick 485fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 486fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * Get an iterator for the instructions of the loop body 487fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 488fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list_iterator iterator() 489fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick { 490fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick return body_instructions.iterator(); 491fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick } 492fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 493f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /** List of ir_instruction that make up the body of the loop. */ 494fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick exec_list body_instructions; 495fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 496fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /** 497fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick * \name Loop counter and controls 498fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick */ 499fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@{*/ 500fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *from; 501fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *to; 502fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_rvalue *increment; 503fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick ir_variable *counter; 504fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick /*@}*/ 505fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick}; 506fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 507fad607a9be59056aecda50176b4d20a8b5319747Ian Romanick 508fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_assignment : public ir_rvalue { 509a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 510fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_assignment(ir_rvalue *lhs, ir_rvalue *rhs, ir_rvalue *condition); 511a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 512ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_assignment *clone(struct hash_table *ht) const; 5134b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 51478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 51578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 51678b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 51778b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 51878b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 5198895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 5208895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 521cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_assignment * as_assignment() 522cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 523cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 524cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 525cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 526a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 527a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Left-hand side of the assignment. 528a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 529fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *lhs; 530a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 531a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 532a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value being assigned 533a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 534fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *rhs; 535a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 536a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 537a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Optional condition for the assignment. 538a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 539fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *condition; 540a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 541a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 5423b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke/* Update ir_expression::num_operands() and operator_strs when 543160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt * updating this list. 5443b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 545a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickenum ir_expression_operation { 546a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_bit_not, 547a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_logic_not, 548a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_neg, 549a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_abs, 550a4b7b5a654ca810e296bb0cca1b27b8847f5548aKenneth Graunke ir_unop_sign, 551a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rcp, 552a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_rsq, 55344d68fd06ff8b53fc70a9a07c897dda9b3457ef8Eric Anholt ir_unop_sqrt, 554a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_exp, 555a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_log, 55601665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_exp2, 55701665262e50162e858c45f92a8a7e12b953e56adEric Anholt ir_unop_log2, 558a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_f2i, /**< Float-to-integer conversion. */ 559a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_i2f, /**< Integer-to-float conversion. */ 560dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_f2b, /**< Float-to-boolean conversion */ 561dc58b3f8ccd817fdee390a3df5b8e0fb29d5397cEric Anholt ir_unop_b2f, /**< Boolean-to-float conversion */ 562c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_i2b, /**< int-to-boolean conversion */ 563c2cb84e17b2f7a5db146faa9c9c2a2ffac4b6c19Eric Anholt ir_unop_b2i, /**< Boolean-to-int conversion */ 5646c86ea8adc095abeef7b3cd63d3321185542bf36Ian Romanick ir_unop_u2f, /**< Unsigned-to-float conversion. */ 565a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 566a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 567a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Unary floating-point rounding operations. 568a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 569a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 570a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_trunc, 571a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_ceil, 572a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_unop_floor, 573d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt ir_unop_fract, 574a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 575a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 57657e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /** 57757e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke * \name Trigonometric operations. 57857e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke */ 57957e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@{*/ 58057e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_sin, 58157e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke ir_unop_cos, 58257e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke /*@}*/ 58357e7da173e8d38bf0c95ded535cdf1b12a00a1a2Kenneth Graunke 584b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /** 585b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke * \name Partial derivatives. 586b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke */ 587b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@{*/ 588b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdx, 589b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke ir_unop_dFdy, 590b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke /*@}*/ 591b843c7a20c2d65494f30eb82622ae7db380f581aKenneth Graunke 592a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_add, 593a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_sub, 594a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mul, 595a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_div, 5968a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt 5978a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt /** 5988a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Takes one of two combinations of arguments: 5998a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 6008a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, vecN) 6018a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * - mod(vecN, float) 6028a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * 6038a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt * Does not take integer types. 6048a1f186cc55979bb9df0a88b48da8d81460c3e7cEric Anholt */ 605a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_mod, 606a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 607a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 608a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Binary comparison operators 609a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 610a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 611a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_less, 612a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_greater, 613a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lequal, 614a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_gequal, 615a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_equal, 616a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_nequal, 617a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 618a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 619a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 620a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * \name Bit-wise binary operations. 621a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 622a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@{*/ 623a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_lshift, 624a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_rshift, 625a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_and, 626a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_xor, 627a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_bit_or, 628a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /*@}*/ 629a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 630a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_and, 631a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_xor, 632a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_logic_or, 633a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 634a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_dot, 6359be7f638130f46a9df2bfbcd4a03b36de9e4f3aaEric Anholt ir_binop_cross, 636a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_min, 637a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_max, 638a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 639a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_binop_pow 640a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 641a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 642fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_expression : public ir_rvalue { 643a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 644a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression(int op, const struct glsl_type *type, 645fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *, ir_rvalue *); 646a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 6476d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt virtual ir_expression *as_expression() 6486d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt { 6496d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt return this; 6506d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt } 6516d8a0a0aadaafbab02dffcf7f89eb0210dd37b2eEric Anholt 652ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_expression *clone(struct hash_table *ht) const; 6534b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 6547dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke static unsigned int get_num_operands(ir_expression_operation); 6554b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt unsigned int get_num_operands() const 6567dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke { 6577dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke return get_num_operands(operation); 6587dd6adbe2e791b22de97175a8715ef1217619c99Kenneth Graunke } 659160d092507c1ca341b7c5c88e5ba94b4cf5fb7d0Eric Anholt 6603b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 6613b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Return a string representing this expression's operator. 6623b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 6633b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke const char *operator_string(); 6643b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 6653b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke /** 6663b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke * Do a reverse-lookup to translate the given string into an operator. 6673b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke */ 6683b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke static ir_expression_operation get_operator(const char *); 6693b96996b7eb6e3603a5f138177867c3e856e0dfaKenneth Graunke 67078b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 67178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 67278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 67378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 67478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 6758895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 6768895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 677a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick ir_expression_operation operation; 678fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *operands[2]; 679a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 680a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 681a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 682ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick/** 683ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * IR instruction representing a function call 684ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 685fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_call : public ir_rvalue { 686ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickpublic: 6871f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_call(ir_function_signature *callee, exec_list *actual_parameters) 688b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(callee) 689ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 690d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_call; 6919e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick assert(callee->return_type != NULL); 6929e7c34b865309c65ea5a763900e2d0eae4b58ce5Ian Romanick type = callee->return_type; 693471471f83471481db0445e73f8c89e6a9149838eIan Romanick actual_parameters->move_nodes_to(& this->actual_parameters); 694ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 695ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 696ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_call *clone(struct hash_table *ht) const; 6974b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 698cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_call *as_call() 699cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 700cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 701cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 702cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 703ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick virtual void accept(ir_visitor *v) 704ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick { 705ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick v->visit(this); 706ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick } 707ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 7088895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 7098895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 710ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick /** 711ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick * Get a generic ir_call object when an error occurs 712e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * 713e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth * Any allocation will be performed with 'ctx' as talloc owner. 714ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick */ 715e01193af325cbdde51b3219c85c58f19d5a87f1bCarl Worth static ir_call *get_error_instruction(void *ctx); 716ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 7179878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick /** 7189878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick * Get an iterator for the set of acutal parameters 7199878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick */ 7209878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick exec_list_iterator iterator() 7219878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick { 7229878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick return actual_parameters.iterator(); 7239878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick } 7249878c6518f7938bd5fdae22265dd30bc72d7343cIan Romanick 72593614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick /** 72693614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick * Get the name of the function being called. 72793614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick */ 72893614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick const char *callee_name() const 72993614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick { 7300f0ea5826454cf25d6e76ac848a317e673ff1032Ian Romanick return callee->function_name(); 73193614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick } 73293614bc4b971bb59824179057a4bfa7aac383ce3Ian Romanick 7331f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *get_callee() 734cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 735cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return callee; 736cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 737cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 738cad9766118d269725ef33b4e9588d674d5225010Eric Anholt /** 739792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick * Set the function call target 740792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick */ 7411f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt void set_callee(ir_function_signature *sig); 742792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick 743792e01c1e259077eb339af3ce61905fd227ae4bdIan Romanick /** 744cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * Generates an inline version of the function before @ir, 745cad9766118d269725ef33b4e9588d674d5225010Eric Anholt * returning the return value of the function. 746cad9766118d269725ef33b4e9588d674d5225010Eric Anholt */ 747cad9766118d269725ef33b4e9588d674d5225010Eric Anholt ir_rvalue *generate_inline(ir_instruction *ir); 748cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 749ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanickprivate: 750471471f83471481db0445e73f8c89e6a9149838eIan Romanick ir_call() 751b427c917ce47675b102fac3ddace883629ff6be8Ian Romanick : callee(NULL) 752471471f83471481db0445e73f8c89e6a9149838eIan Romanick { 753d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_call; 754471471f83471481db0445e73f8c89e6a9149838eIan Romanick } 755471471f83471481db0445e73f8c89e6a9149838eIan Romanick 7561f47245bdda2c85bf0f0174e6c24a50486b413aaEric Anholt ir_function_signature *callee; 757f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt 758f1ddca9f2143e377d2a70941dcedbb1f5c699e07Eric Anholt /* List of ir_rvalue of paramaters passed in this call. */ 759ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick exec_list actual_parameters; 760ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick}; 761ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 762ed45ec6a515f3529f12fc23d51621e435d3b6cdfIan Romanick 7639578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/** 7649578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * \name Jump-like IR instructions. 7659578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * 7669578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick * These include \c break, \c continue, \c return, and \c discard. 7679578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick */ 7689578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@{*/ 7699578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_jump : public ir_instruction { 7709578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickprotected: 7719578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_jump() 7729578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 773d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt ir_type = ir_type_unset; 7749578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7759578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 7769578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 7779578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickclass ir_return : public ir_jump { 7789578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanickpublic: 7799578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick ir_return() 7809578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(NULL) 7819578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 782d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 7839578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7849578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 785fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_return(ir_rvalue *value) 7869578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick : value(value) 7879578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 788d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_return; 7899578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 7909578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 791ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_return *clone(struct hash_table *) const; 7924b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 793cad9766118d269725ef33b4e9588d674d5225010Eric Anholt virtual ir_return *as_return() 794cad9766118d269725ef33b4e9588d674d5225010Eric Anholt { 795cad9766118d269725ef33b4e9588d674d5225010Eric Anholt return this; 796cad9766118d269725ef33b4e9588d674d5225010Eric Anholt } 797cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 798fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *get_value() const 7999578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 8009578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick return value; 8019578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 8029578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 8039578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick virtual void accept(ir_visitor *v) 8049578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick { 8059578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick v->visit(this); 8069578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick } 8079578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 8088895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 8098895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 810fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke ir_rvalue *value; 8119578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick}; 812f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 813f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 814f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick/** 815f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * Jump instructions used inside loops 816f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 817f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * These include \c break and \c continue. The \c break within a loop is 818f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * different from the \c break within a switch-statement. 819f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * 820f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick * \sa ir_switch_jump 821f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick */ 822f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickclass ir_loop_jump : public ir_jump { 823f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanickpublic: 824f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode { 825f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_break, 826f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick jump_continue 827f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick }; 828f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 8294b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt ir_loop_jump(jump_mode mode) 830f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 831d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_loop_jump; 8320c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->mode = mode; 8330c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt this->loop = loop; 834f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 835f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 836ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_loop_jump *clone(struct hash_table *) const; 8374b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 838f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick virtual void accept(ir_visitor *v) 839f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 840f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick v->visit(this); 841f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 842f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 8438895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 8448895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 845f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_break() const 846f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 847f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_break; 848f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 849f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 850f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick bool is_continue() const 851f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick { 852f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick return mode == jump_continue; 853f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick } 854f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick 855f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick /** Mode selector for the jump instruction. */ 856f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick enum jump_mode mode; 8570c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholtprivate: 8580c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt /** Loop containing this break instruction. */ 8590c005bd773784ee5feb2ee3d7d00c2c4335eafb4Eric Anholt ir_loop *loop; 860f8e31e00b1078dc28187a43a1ab8949e154e7533Ian Romanick}; 86116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 86216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke/** 86316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke * IR instruction representing discard statements. 86416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke */ 86516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkeclass ir_discard : public ir_jump { 86616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkepublic: 86716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard() 86816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 869d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_discard; 87016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = NULL; 87116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 87216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 87316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_discard(ir_rvalue *cond) 87416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 87516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke this->condition = cond; 87616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 87716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 878ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_discard *clone(struct hash_table *ht) const; 87916efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 88016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual void accept(ir_visitor *v) 88116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke { 88216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke v->visit(this); 88316efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke } 88416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 88516efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 88616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 88716efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke ir_rvalue *condition; 88816efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke}; 8899578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick/*@}*/ 8909578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 8919578c87ce23a98472d52f15b0a7063f4df036c4dIan Romanick 89281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 89381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texture sampling opcodes used in ir_texture 89481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 89581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickenum ir_texture_opcode { 89681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_tex, /* Regular texture look-up */ 89781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txb, /* Texture look-up with LOD bias */ 89881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txl, /* Texture look-up with explicit LOD */ 89981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txd, /* Texture look-up with partial derivatvies */ 90081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_txf /* Texel fetch with explicit LOD */ 90181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 90281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 90381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 90481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick/** 90581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * IR instruction to sample a texture 90681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 90781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * The specific form of the IR instruction depends on the \c mode value 90881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * selected from \c ir_texture_opcodes. In the printed IR, these will 90981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * appear as: 91081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 91181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Texel offset 91281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | Projection divisor 91381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | | Shadow comparitor 91481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * | | | 91581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * v v v 91681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (tex (sampler) (coordinate) (0 0 0) (1) ( )) 91781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txb (sampler) (coordinate) (0 0 0) (1) ( ) (bias)) 91881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txl (sampler) (coordinate) (0 0 0) (1) ( ) (lod)) 91981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txd (sampler) (coordinate) (0 0 0) (1) ( ) (dPdx dPdy)) 92081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * (txf (sampler) (coordinate) (0 0 0) (lod)) 92181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 92281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickclass ir_texture : public ir_rvalue { 92381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanickpublic: 92481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_texture(enum ir_texture_opcode op) 925b97efa5db5fce2e0d9a4c61a939c85b240c89170Kenneth Graunke : op(op), projector(NULL), shadow_comparitor(NULL) 92681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick { 927d16044ad4d6176fec6164f96450a25f76b7677f1Eric Anholt this->ir_type = ir_type_texture; 92881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } 92981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 930ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_texture *clone(struct hash_table *) const; 9314b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 93226d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual void accept(ir_visitor *v) 93326d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke { 93426d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke v->visit(this); 93526d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke } 93626d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 93726d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke virtual ir_visitor_status accept(ir_hierarchical_visitor *); 93826d74cd1d140786b8f4b1ccbaf500a16e68eec3cKenneth Graunke 939c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 940c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Return a string representing the ir_texture_opcode. 941c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 942c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke const char *opcode_string(); 943c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 94456d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke /** Set the sampler and infer the type. */ 94556d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke void set_sampler(ir_dereference *sampler); 94656d3f6ad782e9819b40544494826954d3fcf978bKenneth Graunke 947c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke /** 948c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke * Do a reverse-lookup to translate a string into an ir_texture_opcode. 949c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke */ 950c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke static ir_texture_opcode get_opcode(const char *); 951c30f6e5dea7e75983784f3539304c8dd36356d1cKenneth Graunke 95281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick enum ir_texture_opcode op; 95381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 95481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Sampler to use for the texture access. */ 95581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_dereference *sampler; 95681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 95781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Texture coordinate to sample */ 95881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *coordinate; 95981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 96081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 96181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Value used for projective divide. 96281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 96381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no projective divide (the common case), this will be 96481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c NULL. Optimization passes should check for this to point to a constant 96581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * of 1.0 and replace that with \c NULL. 96681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 96781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *projector; 96881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 96981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** 97081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * Coordinate used for comparison on shadow look-ups. 97181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * 97281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * If there is no shadow comparison, this will be \c NULL. For the 97381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick * \c ir_txf opcode, this *must* be \c NULL. 97481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick */ 97581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *shadow_comparitor; 97681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 97781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick /** Explicit texel offsets. */ 97881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick signed char offsets[3]; 97981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 98081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick union { 98181377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *lod; /**< Floating point LOD */ 98281377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *bias; /**< Floating point LOD bias */ 98381377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick struct { 98481377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdx; /**< Partial derivative of coordinate wrt X */ 98581377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick ir_rvalue *dPdy; /**< Partial derivative of coordinate wrt Y */ 98681377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } grad; 98781377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick } lod_info; 98881377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick}; 98981377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 99081377c012cf5db3efe2e39885846c60b6e5c6eb8Ian Romanick 991a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickstruct ir_swizzle_mask { 992a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned x:2; 993a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned y:2; 994a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned z:2; 995a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned w:2; 996a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 997a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 998a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Number of components in the swizzle. 999a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1000f25a5ad93961c335b56d4f0508cc5c00b77ee519Kenneth Graunke unsigned num_components:3; 1001a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1002a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 1003a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Does the swizzle contain duplicate components? 1004a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1005a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * L-value swizzles cannot contain duplicate components. 1006a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1007a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick unsigned has_duplicates:1; 1008a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1009a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1010affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1011affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkeclass ir_swizzle : public ir_rvalue { 1012affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunkepublic: 1013affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle(ir_rvalue *, unsigned x, unsigned y, unsigned z, unsigned w, 1014affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke unsigned count); 10156315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 10166315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick ir_swizzle(ir_rvalue *val, const unsigned *components, unsigned count); 10176315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 101805a4e59c2410292f595cfe0cc552a86ae69b20d2Eric Anholt ir_swizzle(ir_rvalue *val, ir_swizzle_mask mask); 1019cad9766118d269725ef33b4e9588d674d5225010Eric Anholt 1020ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_swizzle *clone(struct hash_table *) const; 10214b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 10227d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt virtual ir_swizzle *as_swizzle() 10237d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt { 10247d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt return this; 10257d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt } 10267d21104a8b92c139051e9a224c5d863802a8ade6Eric Anholt 1027affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke /** 1028affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke * Construct an ir_swizzle from the textual representation. Can fail. 1029affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke */ 1030affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke static ir_swizzle *create(ir_rvalue *, const char *, unsigned vector_length); 1031affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1032affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke virtual void accept(ir_visitor *v) 1033affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1034affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke v->visit(this); 1035affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1036affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 10378895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 10388895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1039affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke bool is_lvalue() 1040affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke { 1041a9fafc6504ebccdc0fee3d2529c3fe6068cc86b8Eric Anholt return val->is_lvalue() && !mask.has_duplicates; 1042affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke } 1043affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 10442b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 10452b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 10462b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 10472b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick virtual ir_variable *variable_referenced(); 10482b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick 1049affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_rvalue *val; 1050affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke ir_swizzle_mask mask; 10516315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick 10526315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanickprivate: 10536315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick /** 10546315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * Initialize the mask component of a swizzle 10556315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * 10566315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick * This is used by the \c ir_swizzle constructors. 10576315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick */ 10586315b68f5fbe529bce3497b67c42af1eaa62b8c1Ian Romanick void init_mask(const unsigned *components, unsigned count); 1059affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke}; 1060affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1061affc1413ac9f1f077a4ba1a1b7135f73d7a71167Kenneth Graunke 1062fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_dereference : public ir_rvalue { 1063a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1064ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference *clone(struct hash_table *) const = 0; 1065ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick 106644e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke virtual ir_dereference *as_dereference() 106744e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke { 106844e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke return this; 106944e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke } 107044e1dfa2df4de3e2de963f0505cdadade6fe8180Kenneth Graunke 1071c7da28b4beb3a593f49a6c01a90b123584b421e8Eric Anholt bool is_lvalue(); 1072fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunke 10732b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick /** 10742b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick * Get the variable that is ultimately referenced by an r-value 10752b3c476fa08e33a0ee1633b173a7df31ecaca582Ian Romanick */ 107670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() = 0; 107770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 107870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 107970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 108070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_variable : public ir_dereference { 108170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 108270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_variable(ir_variable *var); 108370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1084ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference_variable *clone(struct hash_table *) const; 10854b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1086d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt virtual ir_dereference_variable *as_dereference_variable() 1087d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt { 1088d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt return this; 1089d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 1090d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 109170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 109270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 109370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 109470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 109570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 109636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->var; 109770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1098f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1099b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick virtual ir_variable *whole_variable_referenced() 1100b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick { 1101b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick /* ir_dereference_variable objects always dereference the entire 1102b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * variable. However, if this dereference is dereferenced by anything 1103b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * else, the complete deferefernce chain is not a whole-variable 1104b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * dereference. This method should only be called on the top most 1105b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick * ir_rvalue in a dereference chain. 1106b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick */ 1107b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick return this->var; 1108b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick } 1109b067db2e253059e83249b1e4d5f3c626b0e33807Ian Romanick 1110c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1111c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1112c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1113c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1114c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1115f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 111636ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 111736ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick /** 111836ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick * Object being dereferenced. 111936ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick */ 112036ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_variable *var; 112170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 112270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 112370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 112470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_array : public ir_dereference { 112570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 112670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_rvalue *value, ir_rvalue *array_index); 112770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 112870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_array(ir_variable *var, ir_rvalue *array_index); 112970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1130ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference_array *clone(struct hash_table *) const; 11314b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 1132b145e903694fa932ab1e0d955e889555193ab604Eric Anholt virtual ir_dereference_array *as_dereference_array() 1133b145e903694fa932ab1e0d955e889555193ab604Eric Anholt { 1134b145e903694fa932ab1e0d955e889555193ab604Eric Anholt return this; 1135b145e903694fa932ab1e0d955e889555193ab604Eric Anholt } 1136b145e903694fa932ab1e0d955e889555193ab604Eric Anholt 113770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 113870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 113970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 114070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 114170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 114236ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->array->variable_referenced(); 114370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 114470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1145c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1146c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1147c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1148c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1149c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1150f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 115170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 115236ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array; 115336ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *array_index; 115436ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 115570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickprivate: 115670fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick void set_array(ir_rvalue *value); 115770fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick}; 115870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 115970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 116070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickclass ir_dereference_record : public ir_dereference { 116170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanickpublic: 116270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_rvalue *value, const char *field); 116370fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 116470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick ir_dereference_record(ir_variable *var, const char *field); 116570fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick 1166ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_dereference_record *clone(struct hash_table *) const; 11674b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 116870fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick /** 116970fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick * Get the variable that is ultimately referenced by an r-value 117070fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick */ 117170fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick virtual ir_variable *variable_referenced() 117270fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick { 117336ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick return this->record->variable_referenced(); 117470fe8b66632f4afd87ebb12a450b1e639428e88fIan Romanick } 1175f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick 1176c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick virtual void accept(ir_visitor *v) 1177c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick { 1178c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick v->visit(this); 1179c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick } 1180c7b1046a9fa6da916f11fb9e43d61fd772470183Ian Romanick 1181f3a002b503542fe2544025c6a42d552fdc4907c2Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 118236ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick 118336ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick ir_rvalue *record; 118436ea28646c666ac2af9b43c47e65f9f53ffcc390Ian Romanick const char *field; 1185a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1186a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1187a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1188be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick/** 1189be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick * Data stored in an ir_constant 1190be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick */ 1191be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanickunion ir_constant_data { 1192be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick unsigned u[16]; 1193be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick int i[16]; 1194be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick float f[16]; 1195be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick bool b[16]; 1196be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick}; 1197be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1198be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick 1199fb9fb5f51deca28ed1ec7b71759fb71fc26a0ab6Kenneth Graunkeclass ir_constant : public ir_rvalue { 1200a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanickpublic: 1201824b659d917a5f14a1f66b891d25036ef9f9adc6Ian Romanick ir_constant(const struct glsl_type *type, const ir_constant_data *data); 12023c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(bool b); 12033c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(unsigned int u); 12043c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(int i); 12053c36b2df7c854d23b2be9580e416fb04079a1befEric Anholt ir_constant(float f); 1206a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 1207989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick /** 1208756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick * Construct an ir_constant from a list of ir_constant values 1209756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick */ 1210756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick ir_constant(const struct glsl_type *type, exec_list *values); 1211756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick 1212756a3fac4fbbc6b3785715db745f8d58a14baeb9Ian Romanick /** 1213989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * Construct an ir_constant from a scalar component of another ir_constant 1214989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1215989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * The new \c ir_constant inherits the type of the component from the 1216989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * source constant. 1217989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * 1218989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * \note 1219989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * In the case of a matrix constant, the new constant is a scalar, \b not 1220989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick * a vector. 1221989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick */ 1222989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick ir_constant(const ir_constant *c, unsigned i); 1223989cfc432ee7adef701a87783e0c6b064c1cfaeeIan Romanick 1224ca088cc277ce9f986693c857f3961dc0e1a4d91cIan Romanick virtual ir_constant *clone(struct hash_table *) const; 12254b6fd39c89f308a379882426c1ed3616d60c4628Eric Anholt 12265c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt virtual ir_constant *as_constant() 12275c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt { 12285c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt return this; 12295c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt } 12305c89f0ecb9581cbe83442ab3f41f2f3701fffab0Eric Anholt 123178b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick virtual void accept(ir_visitor *v) 123278b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick { 123378b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick v->visit(this); 123478b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick } 123578b51b0fdd61b58940f9043ef9046217552f2c70Ian Romanick 12368895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick virtual ir_visitor_status accept(ir_hierarchical_visitor *); 12378895bae55ba8d9f62dd59cbd924ac37c8a7dcdb1Ian Romanick 1238a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick /** 123931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * Get a particular component of a constant as a specific type 124031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * 124131881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * This is useful, for example, to get a value from an integer constant 124231881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * as a float or bool. This appears frequently when constructors are 124331881908ebc11d84c2ff1821410c91340686aa17Ian Romanick * called with all constant parameters. 124431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick */ 124531881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@{*/ 124631881908ebc11d84c2ff1821410c91340686aa17Ian Romanick bool get_bool_component(unsigned i) const; 124731881908ebc11d84c2ff1821410c91340686aa17Ian Romanick float get_float_component(unsigned i) const; 124831881908ebc11d84c2ff1821410c91340686aa17Ian Romanick int get_int_component(unsigned i) const; 124931881908ebc11d84c2ff1821410c91340686aa17Ian Romanick unsigned get_uint_component(unsigned i) const; 125031881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /*@}*/ 125131881908ebc11d84c2ff1821410c91340686aa17Ian Romanick 1252b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick ir_constant *get_record_field(const char *name); 1253b94c29a47b5020e4d052679fc5d22c19533fd73bIan Romanick 125431881908ebc11d84c2ff1821410c91340686aa17Ian Romanick /** 12551e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick * Determine whether a constant has the same value as another constant 12561e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick */ 12571e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick bool has_value(const ir_constant *) const; 12581e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick 12591e8b7a714e8acbb5028a250048452f2efc29d02eIan Romanick /** 1260a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * Value of the constant. 1261a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * 1262a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * The field used to back the values supplied by the constant is determined 1263a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * by the type associated with the \c ir_instruction. Constants may be 1264a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick * scalars, vectors, or matrices. 1265a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick */ 1266be1d2bfdeab5781b6546b704b566aa214e79da06Ian Romanick union ir_constant_data value; 12677f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick 12687f1ab834d7aa901ce0e12f40db23d7d9891eae59Ian Romanick exec_list components; 1269710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick 1270710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanickprivate: 1271710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick /** 1272710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick * Parameterless constructor only used by the clone method 1273710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick */ 1274710919fd7cb7ac6cb640afa362f5c409e5a5ec91Ian Romanick ir_constant(void); 1275a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick}; 1276a87ac255cf7ef0672b4de865d82e6a40c93b57dIan Romanick 127770b74928a220aff024664714877defb0caedf33fEric Anholtvoid 127870b74928a220aff024664714877defb0caedf33fEric Anholtvisit_exec_list(exec_list *list, ir_visitor *visitor); 1279adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick 128053cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholtvoid validate_ir_tree(exec_list *instructions); 128153cdb7e51d85d4b4a35fba3ec200b27991b8488bEric Anholt 1282f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick/** 1283f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * Make a clone of each IR instruction in a list 1284f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * 1285f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param in List of IR instructions that are to be cloned 1286f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick * \param out List to hold the cloned instructions 1287f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick */ 1288f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickvoid 1289f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanickclone_ir_list(exec_list *out, const exec_list *in); 1290f3235eb37f264244f4ea432700be7dd6b2930d6cIan Romanick 1291adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanickextern void 1292adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick_mesa_glsl_initialize_variables(exec_list *instructions, 1293adfb0cd7401251bef0c854ac945fce78f0ed11dbIan Romanick struct _mesa_glsl_parse_state *state); 1294e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick 1295c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholtextern void 1296c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt_mesa_glsl_initialize_functions(exec_list *instructions, 1297c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt struct _mesa_glsl_parse_state *state); 1298c22c40015db32b68b33c4944b9d94bf499135ec5Eric Anholt 1299e309a6051d1a04ee581f0a47c6c585918fba1096Ian Romanick#endif /* IR_H */ 1300