ir_to_mesa.cpp revision 2d577ee730c30caacf711babde6542766aa0b655
184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt/* 2bd3b835e7c32e093f91f636330fd93b3dedd8362Eric Anholt * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. 3bd3b835e7c32e093f91f636330fd93b3dedd8362Eric Anholt * Copyright (C) 2008 VMware, Inc. All Rights Reserved. 484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * Copyright © 2010 Intel Corporation 584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * 684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * Permission is hereby granted, free of charge, to any person obtaining a 784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * copy of this software and associated documentation files (the "Software"), 884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * to deal in the Software without restriction, including without limitation 984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * the rights to use, copy, modify, merge, publish, distribute, sublicense, 1084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * and/or sell copies of the Software, and to permit persons to whom the 1184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * Software is furnished to do so, subject to the following conditions: 1284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * 1384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * The above copyright notice and this permission notice (including the next 1484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * paragraph) shall be included in all copies or substantial portions of the 1584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * Software. 1684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * 1784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 1884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 1984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 2084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 2184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 2284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 2384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * DEALINGS IN THE SOFTWARE. 2484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt */ 2584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 2684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt/** 2784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * \file ir_to_mesa.cpp 2884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * 29f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Translate GLSL IR to Mesa's gl_program representation. 3084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt */ 3184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 320161515c395c44233529c8d51f823b60050bc7baEric Anholt#include <stdio.h> 33261bbc011d11ab9e390cd5fe9f5151821eefaffaIan Romanick#include "main/compiler.h" 3484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt#include "ir.h" 3584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt#include "ir_visitor.h" 3684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt#include "ir_print_visitor.h" 3784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt#include "ir_expression_flattening.h" 3884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt#include "glsl_types.h" 39364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt#include "glsl_parser_extras.h" 40364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt#include "../glsl/program.h" 41364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt#include "ir_optimization.h" 42364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt#include "ast.h" 4384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 44aaee40e107cf07a12c8e373d8bb910254f4ba30bEric Anholtextern "C" { 450a1b54df7ac118722bb627c61cb322cb4e248aceEric Anholt#include "main/mtypes.h" 46658e25987fbec3b826f500baa6d4d936b9552b13Eric Anholt#include "main/shaderapi.h" 47afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "main/shaderobj.h" 48afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "main/uniforms.h" 49fe1918c71c3e387939cef9359d4b31ebc5c11a17Eric Anholt#include "program/hash_table.h" 50afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "program/prog_instruction.h" 51afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "program/prog_optimize.h" 52afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "program/prog_print.h" 53afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "program/program.h" 54afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "program/prog_uniform.h" 55afe125e0a18ac3886c45c7e6b02b122fb2d327b5Eric Anholt#include "program/prog_parameter.h" 56a32893221ce253da7bb465e0ec9d0df5f7208d8fEric Anholt#include "program/sampler.h" 57aaee40e107cf07a12c8e373d8bb910254f4ba30bEric Anholt} 5884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 599c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholtstatic int swizzle_for_size(int size); 609c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt 61554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt/** 62554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * This struct is a corresponding struct to Mesa prog_src_register, with 63554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * wider fields. 64554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt */ 65554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholttypedef struct ir_to_mesa_src_reg { 669c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt ir_to_mesa_src_reg(int file, int index, const glsl_type *type) 679c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt { 68caf974c5259f14b50257e8dd9b325a87378259afBrian Paul this->file = (gl_register_file) file; 699c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->index = index; 709c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt if (type && (type->is_scalar() || type->is_vector() || type->is_matrix())) 719c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->swizzle = swizzle_for_size(type->vector_elements); 729c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt else 739c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->swizzle = SWIZZLE_XYZW; 749c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->negate = 0; 759c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->reladdr = NULL; 769c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt } 779c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt 789c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt ir_to_mesa_src_reg() 799c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt { 809c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->file = PROGRAM_UNDEFINED; 8148c289fb552a3d363b505514b6ea22467f00e318Vinson Lee this->index = 0; 8248c289fb552a3d363b505514b6ea22467f00e318Vinson Lee this->swizzle = 0; 8348c289fb552a3d363b505514b6ea22467f00e318Vinson Lee this->negate = 0; 8448c289fb552a3d363b505514b6ea22467f00e318Vinson Lee this->reladdr = NULL; 859c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt } 869c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt 87caf974c5259f14b50257e8dd9b325a87378259afBrian Paul gl_register_file file; /**< PROGRAM_* from Mesa */ 88554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int index; /**< temporary index, VERT_ATTRIB_*, FRAG_ATTRIB_*, etc. */ 89582b73fe691ef7ea12a002cb2ae57505c3b1c21eEric Anholt GLuint swizzle; /**< SWIZZLE_XYZWONEZERO swizzles from Mesa. */ 90554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int negate; /**< NEGATE_XYZW mask from mesa */ 91f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt /** Register index should be offset by the integer in this reg. */ 92f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_src_reg *reladdr; 93554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt} ir_to_mesa_src_reg; 94554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 95554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholttypedef struct ir_to_mesa_dst_reg { 96554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int file; /**< PROGRAM_* from Mesa */ 97554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int index; /**< temporary index, VERT_ATTRIB_*, FRAG_ATTRIB_*, etc. */ 98554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int writemask; /**< Bitfield of WRITEMASK_[XYZW] */ 99854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt GLuint cond_mask:4; 100f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt /** Register index should be offset by the integer in this reg. */ 101f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_src_reg *reladdr; 102554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt} ir_to_mesa_dst_reg; 103554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 104554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholtextern ir_to_mesa_src_reg ir_to_mesa_undef; 105554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 106554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholtclass ir_to_mesa_instruction : public exec_node { 107554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholtpublic: 1087406898441bfec937840d575500fb6d43192310dEric Anholt /* Callers of this talloc-based new need not call delete. It's 1097406898441bfec937840d575500fb6d43192310dEric Anholt * easier to just talloc_free 'ctx' (or any of its ancestors). */ 1107406898441bfec937840d575500fb6d43192310dEric Anholt static void* operator new(size_t size, void *ctx) 1117406898441bfec937840d575500fb6d43192310dEric Anholt { 1127406898441bfec937840d575500fb6d43192310dEric Anholt void *node; 1137406898441bfec937840d575500fb6d43192310dEric Anholt 1147406898441bfec937840d575500fb6d43192310dEric Anholt node = talloc_zero_size(ctx, size); 1157406898441bfec937840d575500fb6d43192310dEric Anholt assert(node != NULL); 1167406898441bfec937840d575500fb6d43192310dEric Anholt 1177406898441bfec937840d575500fb6d43192310dEric Anholt return node; 1187406898441bfec937840d575500fb6d43192310dEric Anholt } 1197406898441bfec937840d575500fb6d43192310dEric Anholt 120554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt enum prog_opcode op; 121554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_dst_reg dst_reg; 122554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src_reg[3]; 123554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt /** Pointer to the ir source this tree came from for debugging */ 124554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_instruction *ir; 125854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt GLboolean cond_update; 126ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt bool saturate; 127d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt int sampler; /**< sampler index */ 128d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt int tex_target; /**< One of TEXTURE_*_INDEX */ 129b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt GLboolean tex_shadow; 1307b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1317b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt class function_entry *function; /* Set on OPCODE_CAL or OPCODE_BGNSUB */ 132554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt}; 133554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 134b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholtclass variable_storage : public exec_node { 135554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholtpublic: 136caf974c5259f14b50257e8dd9b325a87378259afBrian Paul variable_storage(ir_variable *var, gl_register_file file, int index) 137554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt : file(file), index(index), var(var) 138554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt { 139554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt /* empty */ 140554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt } 141554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 142caf974c5259f14b50257e8dd9b325a87378259afBrian Paul gl_register_file file; 143554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int index; 144554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_variable *var; /* variable that maps to this, if any */ 145554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt}; 146554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 1477b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholtclass function_entry : public exec_node { 1487b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholtpublic: 1497b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_function_signature *sig; 1507b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1517b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /** 1527b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * identifier of this function signature used by the program. 1537b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * 1547b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * At the point that Mesa instructions for function calls are 1557b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * generated, we don't know the address of the first instruction of 1567b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * the function body. So we make the BranchTarget that is called a 1577b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * small integer and rewrite them during set_branchtargets(). 1587b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt */ 1597b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt int sig_id; 1607b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1617b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /** 1627b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * Pointer to first instruction of the function body. 1637b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * 1647b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * Set during function body emits after main() is processed. 1657b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt */ 1667b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_instruction *bgn_inst; 1677b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1687b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /** 1697b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * Index of the first instruction of the function body in actual 1707b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * Mesa IR. 1717b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * 1727b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt * Set after convertion from ir_to_mesa_instruction to prog_instruction. 1737b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt */ 1747b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt int inst; 1757b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1767b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /** Storage for the return value. */ 1777b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_src_reg return_reg; 1787b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt}; 1797b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 180554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholtclass ir_to_mesa_visitor : public ir_visitor { 181554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholtpublic: 182554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_visitor(); 183fe1918c71c3e387939cef9359d4b31ebc5c11a17Eric Anholt ~ir_to_mesa_visitor(); 184554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 1857b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt function_entry *current_function; 1867b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 187f9995b30756140724f41daf963fa06167912be7fKristian Høgsberg struct gl_context *ctx; 188364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt struct gl_program *prog; 189aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt struct gl_shader_program *shader_program; 1906d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri struct gl_shader_compiler_options *options; 191364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 192554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt int next_temp; 193a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt 194b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt variable_storage *find_variable_storage(ir_variable *var); 195554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 1967b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt function_entry *get_function_signature(ir_function_signature *sig); 1977b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1988364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt ir_to_mesa_src_reg get_temp(const glsl_type *type); 199f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt void reladdr_to_temp(ir_instruction *ir, 200f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_src_reg *reg, int *num_reladdr); 201554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 202554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt struct ir_to_mesa_src_reg src_reg_for_float(float val); 203554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 204554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt /** 205554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * \name Visit methods 206554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * 207554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * As typical for the visitor pattern, there must be one \c visit method for 208554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * each concrete subclass of \c ir_instruction. Virtual base classes within 209554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt * the hierarchy should not have \c visit methods. 210554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt */ 211554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt /*@{*/ 212554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_variable *); 213554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_loop *); 214554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_loop_jump *); 215554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_function_signature *); 216554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_function *); 217554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_expression *); 218554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_swizzle *); 219554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_dereference_variable *); 220554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_dereference_array *); 221554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_dereference_record *); 222554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_assignment *); 223554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_constant *); 224554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_call *); 225554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_return *); 22616efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke virtual void visit(ir_discard *); 227554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_texture *); 228554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt virtual void visit(ir_if *); 229554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt /*@}*/ 230554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 231554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt struct ir_to_mesa_src_reg result; 232554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 233b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt /** List of variable_storage */ 234b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt exec_list variables; 235554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 2367b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /** List of function_entry */ 2377b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt exec_list function_signatures; 2387b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt int next_signature_id; 2397b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 240554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt /** List of ir_to_mesa_instruction */ 241554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt exec_list instructions; 242554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 243021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_instruction *ir_to_mesa_emit_op0(ir_instruction *ir, 244021222c6a872ca2eef770ebadb8754f659775204Eric Anholt enum prog_opcode op); 245021222c6a872ca2eef770ebadb8754f659775204Eric Anholt 246554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_instruction *ir_to_mesa_emit_op1(ir_instruction *ir, 247554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt enum prog_opcode op, 248554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_dst_reg dst, 249554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src0); 250554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 251554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_instruction *ir_to_mesa_emit_op2(ir_instruction *ir, 252554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt enum prog_opcode op, 253554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_dst_reg dst, 254554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src0, 255554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src1); 256554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 257554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_instruction *ir_to_mesa_emit_op3(ir_instruction *ir, 258554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt enum prog_opcode op, 259554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_dst_reg dst, 260554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src0, 261554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src1, 262554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src2); 263554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 264ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick /** 265ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick * Emit the correct dot-product instruction for the type of arguments 266ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick * 267ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick * \sa ir_to_mesa_emit_op2 268ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick */ 269ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick void ir_to_mesa_emit_dp(ir_instruction *ir, 270ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_dst_reg dst, 271ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_src_reg src0, 272ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_src_reg src1, 273ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick unsigned elements); 274ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick 275554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt void ir_to_mesa_emit_scalar_op1(ir_instruction *ir, 276554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt enum prog_opcode op, 277554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_dst_reg dst, 278554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt ir_to_mesa_src_reg src0); 2790ee7d80269bfab14683623b0c8fc12da43db8d78Eric Anholt 280904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt void ir_to_mesa_emit_scalar_op2(ir_instruction *ir, 281904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt enum prog_opcode op, 282904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_dst_reg dst, 283904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg src0, 284904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg src1); 285904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt 286f2616e56de8a48360cae8f269727b58490555f4dIan Romanick void emit_scs(ir_instruction *ir, enum prog_opcode op, 287f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_dst_reg dst, 288f2616e56de8a48360cae8f269727b58490555f4dIan Romanick const ir_to_mesa_src_reg &src); 289f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 2903f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt GLboolean try_emit_mad(ir_expression *ir, 2913f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt int mul_operand); 292ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt GLboolean try_emit_sat(ir_expression *ir); 2933f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 29411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick void emit_swz(ir_expression *ir); 29511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 296c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick bool process_move_condition(ir_rvalue *ir); 297c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 298364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt void *mem_ctx; 299554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt}; 300554dbcce77cc7eb38b786c77eee87a5f391b090bEric Anholt 3019c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholtir_to_mesa_src_reg ir_to_mesa_undef = ir_to_mesa_src_reg(PROGRAM_UNDEFINED, 0, NULL); 30284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 303c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholtir_to_mesa_dst_reg ir_to_mesa_undef_dst = { 304f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt PROGRAM_UNDEFINED, 0, SWIZZLE_NOOP, COND_TR, NULL, 305c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt}; 306c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 3070161515c395c44233529c8d51f823b60050bc7baEric Anholtir_to_mesa_dst_reg ir_to_mesa_address_reg = { 308f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt PROGRAM_ADDRESS, 0, WRITEMASK_X, COND_TR, NULL 3090161515c395c44233529c8d51f823b60050bc7baEric Anholt}; 3100161515c395c44233529c8d51f823b60050bc7baEric Anholt 311f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paulstatic void 312f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paulfail_link(struct gl_shader_program *prog, const char *fmt, ...) PRINTFLIKE(2, 3); 313500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt 314f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paulstatic void 315f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paulfail_link(struct gl_shader_program *prog, const char *fmt, ...) 316f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul{ 317f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul va_list args; 318f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul va_start(args, fmt); 319f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul prog->InfoLog = talloc_vasprintf_append(prog->InfoLog, fmt, args); 320f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul va_end(args); 321500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt 322f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul prog->LinkStatus = GL_FALSE; 323f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul} 324500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt 325f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paulstatic int 326f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paulswizzle_for_size(int size) 3270161515c395c44233529c8d51f823b60050bc7baEric Anholt{ 3280161515c395c44233529c8d51f823b60050bc7baEric Anholt int size_swizzles[4] = { 3290161515c395c44233529c8d51f823b60050bc7baEric Anholt MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_X, SWIZZLE_X, SWIZZLE_X), 3300161515c395c44233529c8d51f823b60050bc7baEric Anholt MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Y, SWIZZLE_Y), 3310161515c395c44233529c8d51f823b60050bc7baEric Anholt MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_Z), 3320161515c395c44233529c8d51f823b60050bc7baEric Anholt MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, SWIZZLE_Z, SWIZZLE_W), 3330161515c395c44233529c8d51f823b60050bc7baEric Anholt }; 3340161515c395c44233529c8d51f823b60050bc7baEric Anholt 3359fea9e5e2115bcb52435648d2ef753638733d7d9Ian Romanick assert((size >= 1) && (size <= 4)); 3360161515c395c44233529c8d51f823b60050bc7baEric Anholt return size_swizzles[size - 1]; 3370161515c395c44233529c8d51f823b60050bc7baEric Anholt} 3380161515c395c44233529c8d51f823b60050bc7baEric Anholt 33984771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_instruction * 3400161515c395c44233529c8d51f823b60050bc7baEric Anholtir_to_mesa_visitor::ir_to_mesa_emit_op3(ir_instruction *ir, 3410161515c395c44233529c8d51f823b60050bc7baEric Anholt enum prog_opcode op, 3420161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_dst_reg dst, 3430161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src0, 3440161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src1, 3450161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src2) 34684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 347364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt ir_to_mesa_instruction *inst = new(mem_ctx) ir_to_mesa_instruction(); 348f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt int num_reladdr = 0; 349f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 350f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt /* If we have to do relative addressing, we want to load the ARL 351f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt * reg directly for one of the regs, and preload the other reladdr 352f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt * sources into temps. 353f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt */ 354f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt num_reladdr += dst.reladdr != NULL; 355f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt num_reladdr += src0.reladdr != NULL; 356f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt num_reladdr += src1.reladdr != NULL; 357f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt num_reladdr += src2.reladdr != NULL; 358f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 359f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt reladdr_to_temp(ir, &src2, &num_reladdr); 360f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt reladdr_to_temp(ir, &src1, &num_reladdr); 361f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt reladdr_to_temp(ir, &src0, &num_reladdr); 362f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 363f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt if (dst.reladdr) { 364f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_ARL, ir_to_mesa_address_reg, 365f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt *dst.reladdr); 366f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 367f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt num_reladdr--; 368f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt } 369f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt assert(num_reladdr == 0); 37084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 37184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt inst->op = op; 37284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt inst->dst_reg = dst; 37384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt inst->src_reg[0] = src0; 37484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt inst->src_reg[1] = src1; 37584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt inst->src_reg[2] = src2; 376c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt inst->ir = ir; 37784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 3787b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt inst->function = NULL; 3797b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 3800161515c395c44233529c8d51f823b60050bc7baEric Anholt this->instructions.push_tail(inst); 38184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 38284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt return inst; 38384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 38484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 38584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 38684771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_instruction * 3870161515c395c44233529c8d51f823b60050bc7baEric Anholtir_to_mesa_visitor::ir_to_mesa_emit_op2(ir_instruction *ir, 3880161515c395c44233529c8d51f823b60050bc7baEric Anholt enum prog_opcode op, 3890161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_dst_reg dst, 3900161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src0, 3910161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src1) 39284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 3930161515c395c44233529c8d51f823b60050bc7baEric Anholt return ir_to_mesa_emit_op3(ir, op, dst, src0, src1, ir_to_mesa_undef); 39484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 39584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 39684771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_instruction * 3970161515c395c44233529c8d51f823b60050bc7baEric Anholtir_to_mesa_visitor::ir_to_mesa_emit_op1(ir_instruction *ir, 3980161515c395c44233529c8d51f823b60050bc7baEric Anholt enum prog_opcode op, 3990161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_dst_reg dst, 4000161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src0) 401bf9953335031b3de721245ec7a2986d0b4f70027Eric Anholt{ 4025a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick assert(dst.writemask != 0); 4030161515c395c44233529c8d51f823b60050bc7baEric Anholt return ir_to_mesa_emit_op3(ir, op, dst, 4040161515c395c44233529c8d51f823b60050bc7baEric Anholt src0, ir_to_mesa_undef, ir_to_mesa_undef); 405bf9953335031b3de721245ec7a2986d0b4f70027Eric Anholt} 406bf9953335031b3de721245ec7a2986d0b4f70027Eric Anholt 407021222c6a872ca2eef770ebadb8754f659775204Eric Anholtir_to_mesa_instruction * 408021222c6a872ca2eef770ebadb8754f659775204Eric Anholtir_to_mesa_visitor::ir_to_mesa_emit_op0(ir_instruction *ir, 409021222c6a872ca2eef770ebadb8754f659775204Eric Anholt enum prog_opcode op) 410021222c6a872ca2eef770ebadb8754f659775204Eric Anholt{ 411021222c6a872ca2eef770ebadb8754f659775204Eric Anholt return ir_to_mesa_emit_op3(ir, op, ir_to_mesa_undef_dst, 412021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_undef, 413021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_undef, 414021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_undef); 415021222c6a872ca2eef770ebadb8754f659775204Eric Anholt} 416021222c6a872ca2eef770ebadb8754f659775204Eric Anholt 417ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanickvoid 418ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanickir_to_mesa_visitor::ir_to_mesa_emit_dp(ir_instruction *ir, 419ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_dst_reg dst, 420ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_src_reg src0, 421ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_src_reg src1, 422ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick unsigned elements) 423ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick{ 424ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick static const gl_inst_opcode dot_opcodes[] = { 425ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick OPCODE_DP2, OPCODE_DP3, OPCODE_DP4 426ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick }; 427ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick 428ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_emit_op3(ir, dot_opcodes[elements - 2], 429ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick dst, src0, src1, ir_to_mesa_undef); 430ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick} 431ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick 4320161515c395c44233529c8d51f823b60050bc7baEric Anholtinline ir_to_mesa_dst_reg 4330161515c395c44233529c8d51f823b60050bc7baEric Anholtir_to_mesa_dst_reg_from_src(ir_to_mesa_src_reg reg) 43484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 4350161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_dst_reg dst_reg; 43684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 4370161515c395c44233529c8d51f823b60050bc7baEric Anholt dst_reg.file = reg.file; 4380161515c395c44233529c8d51f823b60050bc7baEric Anholt dst_reg.index = reg.index; 4390161515c395c44233529c8d51f823b60050bc7baEric Anholt dst_reg.writemask = WRITEMASK_XYZW; 440854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt dst_reg.cond_mask = COND_TR; 441f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt dst_reg.reladdr = reg.reladdr; 4420161515c395c44233529c8d51f823b60050bc7baEric Anholt 4430161515c395c44233529c8d51f823b60050bc7baEric Anholt return dst_reg; 444bf9953335031b3de721245ec7a2986d0b4f70027Eric Anholt} 445bf9953335031b3de721245ec7a2986d0b4f70027Eric Anholt 4462d1789e667c4180777829f96856daf91326721b9Eric Anholtinline ir_to_mesa_src_reg 4472d1789e667c4180777829f96856daf91326721b9Eric Anholtir_to_mesa_src_reg_from_dst(ir_to_mesa_dst_reg reg) 4482d1789e667c4180777829f96856daf91326721b9Eric Anholt{ 4499c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt return ir_to_mesa_src_reg(reg.file, reg.index, NULL); 4502d1789e667c4180777829f96856daf91326721b9Eric Anholt} 4512d1789e667c4180777829f96856daf91326721b9Eric Anholt 45212f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt/** 45312f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * Emits Mesa scalar opcodes to produce unique answers across channels. 45412f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * 45512f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * Some Mesa opcodes are scalar-only, like ARB_fp/vp. The src X 45612f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * channel determines the result across all channels. So to do a vec4 45712f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * of this operation, we want to emit a scalar per source channel used 45812f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * to produce dest channels. 45912f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt */ 46012f654c63bc42d353e258cde989d9114cdde26c6Eric Anholtvoid 461904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholtir_to_mesa_visitor::ir_to_mesa_emit_scalar_op2(ir_instruction *ir, 4620161515c395c44233529c8d51f823b60050bc7baEric Anholt enum prog_opcode op, 4630161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_dst_reg dst, 464904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg orig_src0, 465904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg orig_src1) 46612f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt{ 46712f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt int i, j; 468315c638b8cf0a92f9f0a8ee496e77e90e4b66d09Eric Anholt int done_mask = ~dst.writemask; 46912f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt 47012f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt /* Mesa RCP is a scalar operation splatting results to all channels, 47112f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * like ARB_fp/vp. So emit as many RCPs as necessary to cover our 47212f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt * dst channels. 47312f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt */ 47412f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt for (i = 0; i < 4; i++) { 475582b73fe691ef7ea12a002cb2ae57505c3b1c21eEric Anholt GLuint this_mask = (1 << i); 47612f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt ir_to_mesa_instruction *inst; 477904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg src0 = orig_src0; 478904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg src1 = orig_src1; 47912f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt 48012f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt if (done_mask & this_mask) 48112f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt continue; 48212f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt 483904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt GLuint src0_swiz = GET_SWZ(src0.swizzle, i); 484904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt GLuint src1_swiz = GET_SWZ(src1.swizzle, i); 48512f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt for (j = i + 1; j < 4; j++) { 486f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* If there is another enabled component in the destination that is 487f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * derived from the same inputs, generate its value on this pass as 488f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * well. 489f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 490904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt if (!(done_mask & (1 << j)) && 491904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt GET_SWZ(src0.swizzle, j) == src0_swiz && 492904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt GET_SWZ(src1.swizzle, j) == src1_swiz) { 49312f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt this_mask |= (1 << j); 49412f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt } 49512f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt } 496904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt src0.swizzle = MAKE_SWIZZLE4(src0_swiz, src0_swiz, 497904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt src0_swiz, src0_swiz); 498904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt src1.swizzle = MAKE_SWIZZLE4(src1_swiz, src1_swiz, 499904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt src1_swiz, src1_swiz); 50012f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt 501904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt inst = ir_to_mesa_emit_op2(ir, op, 5020161515c395c44233529c8d51f823b60050bc7baEric Anholt dst, 503904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt src0, 504904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt src1); 50512f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt inst->dst_reg.writemask = this_mask; 50612f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt done_mask |= this_mask; 50712f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt } 50812f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt} 50912f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt 510904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholtvoid 511904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholtir_to_mesa_visitor::ir_to_mesa_emit_scalar_op1(ir_instruction *ir, 512904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt enum prog_opcode op, 513904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_dst_reg dst, 514904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_src_reg src0) 515904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt{ 51659a23d7fb93603b2449db4c5d786934a07aebfcbEric Anholt ir_to_mesa_src_reg undef = ir_to_mesa_undef; 517904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt 518904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt undef.swizzle = SWIZZLE_XXXX; 519904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt 520904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_emit_scalar_op2(ir, op, dst, src0, undef); 521904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt} 522904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt 523f2616e56de8a48360cae8f269727b58490555f4dIan Romanick/** 524f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * Emit an OPCODE_SCS instruction 525f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * 526f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * The \c SCS opcode functions a bit differently than the other Mesa (or 527f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * ARB_fragment_program) opcodes. Instead of splatting its result across all 528f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * four components of the destination, it writes one value to the \c x 529f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * component and another value to the \c y component. 530f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * 531f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * \param ir IR instruction being processed 532f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * \param op Either \c OPCODE_SIN or \c OPCODE_COS depending on which 533f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * value is desired. 534f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * \param dst Destination register 535f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * \param src Source register 536f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 537f2616e56de8a48360cae8f269727b58490555f4dIan Romanickvoid 538f2616e56de8a48360cae8f269727b58490555f4dIan Romanickir_to_mesa_visitor::emit_scs(ir_instruction *ir, enum prog_opcode op, 539f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_dst_reg dst, 540f2616e56de8a48360cae8f269727b58490555f4dIan Romanick const ir_to_mesa_src_reg &src) 541f2616e56de8a48360cae8f269727b58490555f4dIan Romanick{ 542f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* Vertex programs cannot use the SCS opcode. 543f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 544f2616e56de8a48360cae8f269727b58490555f4dIan Romanick if (this->prog->Target == GL_VERTEX_PROGRAM_ARB) { 545f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_emit_scalar_op1(ir, op, dst, src); 546f2616e56de8a48360cae8f269727b58490555f4dIan Romanick return; 547f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } 548f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 549f2616e56de8a48360cae8f269727b58490555f4dIan Romanick const unsigned component = (op == OPCODE_SIN) ? 0 : 1; 550f2616e56de8a48360cae8f269727b58490555f4dIan Romanick const unsigned scs_mask = (1U << component); 551f2616e56de8a48360cae8f269727b58490555f4dIan Romanick int done_mask = ~dst.writemask; 552f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_src_reg tmp; 553f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 554f2616e56de8a48360cae8f269727b58490555f4dIan Romanick assert(op == OPCODE_SIN || op == OPCODE_COS); 555f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 556f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* If there are compnents in the destination that differ from the component 557f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * that will be written by the SCS instrution, we'll need a temporary. 558f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 559f2616e56de8a48360cae8f269727b58490555f4dIan Romanick if (scs_mask != unsigned(dst.writemask)) { 560f2616e56de8a48360cae8f269727b58490555f4dIan Romanick tmp = get_temp(glsl_type::vec4_type); 561f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } 562f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 563f2616e56de8a48360cae8f269727b58490555f4dIan Romanick for (unsigned i = 0; i < 4; i++) { 564f2616e56de8a48360cae8f269727b58490555f4dIan Romanick unsigned this_mask = (1U << i); 565f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_src_reg src0 = src; 566f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 567f2616e56de8a48360cae8f269727b58490555f4dIan Romanick if ((done_mask & this_mask) != 0) 568f2616e56de8a48360cae8f269727b58490555f4dIan Romanick continue; 569f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 570f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* The source swizzle specified which component of the source generates 571f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * sine / cosine for the current component in the destination. The SCS 572f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * instruction requires that this value be swizzle to the X component. 573f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * Replace the current swizzle with a swizzle that puts the source in 574f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * the X component. 575f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 576f2616e56de8a48360cae8f269727b58490555f4dIan Romanick unsigned src0_swiz = GET_SWZ(src.swizzle, i); 577f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 578f2616e56de8a48360cae8f269727b58490555f4dIan Romanick src0.swizzle = MAKE_SWIZZLE4(src0_swiz, src0_swiz, 579f2616e56de8a48360cae8f269727b58490555f4dIan Romanick src0_swiz, src0_swiz); 580f2616e56de8a48360cae8f269727b58490555f4dIan Romanick for (unsigned j = i + 1; j < 4; j++) { 581f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* If there is another enabled component in the destination that is 582f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * derived from the same inputs, generate its value on this pass as 583f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * well. 584f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 585f2616e56de8a48360cae8f269727b58490555f4dIan Romanick if (!(done_mask & (1 << j)) && 586f2616e56de8a48360cae8f269727b58490555f4dIan Romanick GET_SWZ(src0.swizzle, j) == src0_swiz) { 587f2616e56de8a48360cae8f269727b58490555f4dIan Romanick this_mask |= (1 << j); 588f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } 589f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } 590f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 591f2616e56de8a48360cae8f269727b58490555f4dIan Romanick if (this_mask != scs_mask) { 592f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_instruction *inst; 593f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_dst_reg tmp_dst = ir_to_mesa_dst_reg_from_src(tmp); 594f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 595f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* Emit the SCS instruction. 596f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 597f2616e56de8a48360cae8f269727b58490555f4dIan Romanick inst = ir_to_mesa_emit_op1(ir, OPCODE_SCS, tmp_dst, src0); 598f2616e56de8a48360cae8f269727b58490555f4dIan Romanick inst->dst_reg.writemask = scs_mask; 599f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 600f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* Move the result of the SCS instruction to the desired location in 601f2616e56de8a48360cae8f269727b58490555f4dIan Romanick * the destination. 602f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 603f2616e56de8a48360cae8f269727b58490555f4dIan Romanick tmp.swizzle = MAKE_SWIZZLE4(component, component, 604f2616e56de8a48360cae8f269727b58490555f4dIan Romanick component, component); 605f2616e56de8a48360cae8f269727b58490555f4dIan Romanick inst = ir_to_mesa_emit_op1(ir, OPCODE_SCS, dst, tmp); 606f2616e56de8a48360cae8f269727b58490555f4dIan Romanick inst->dst_reg.writemask = this_mask; 607f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } else { 608f2616e56de8a48360cae8f269727b58490555f4dIan Romanick /* Emit the SCS instruction to write directly to the destination. 609f2616e56de8a48360cae8f269727b58490555f4dIan Romanick */ 610f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_instruction *inst = 611f2616e56de8a48360cae8f269727b58490555f4dIan Romanick ir_to_mesa_emit_op1(ir, OPCODE_SCS, dst, src0); 612f2616e56de8a48360cae8f269727b58490555f4dIan Romanick inst->dst_reg.writemask = scs_mask; 613f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } 614f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 615f2616e56de8a48360cae8f269727b58490555f4dIan Romanick done_mask |= this_mask; 616f2616e56de8a48360cae8f269727b58490555f4dIan Romanick } 617f2616e56de8a48360cae8f269727b58490555f4dIan Romanick} 618f2616e56de8a48360cae8f269727b58490555f4dIan Romanick 6190161515c395c44233529c8d51f823b60050bc7baEric Anholtstruct ir_to_mesa_src_reg 6200161515c395c44233529c8d51f823b60050bc7baEric Anholtir_to_mesa_visitor::src_reg_for_float(float val) 621b07cc372c6360d0e59c84bb7586597f028c74b02Eric Anholt{ 6229c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt ir_to_mesa_src_reg src_reg(PROGRAM_CONSTANT, -1, NULL); 6231d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt 624582b73fe691ef7ea12a002cb2ae57505c3b1c21eEric Anholt src_reg.index = _mesa_add_unnamed_constant(this->prog->Parameters, 625582b73fe691ef7ea12a002cb2ae57505c3b1c21eEric Anholt &val, 1, &src_reg.swizzle); 6261d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt 6270161515c395c44233529c8d51f823b60050bc7baEric Anholt return src_reg; 6281d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt} 6291d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt 6302c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholtstatic int 6312c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholttype_size(const struct glsl_type *type) 6322c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt{ 6332c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt unsigned int i; 6342c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt int size; 6352c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt 6362c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt switch (type->base_type) { 6372c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt case GLSL_TYPE_UINT: 6382c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt case GLSL_TYPE_INT: 6392c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt case GLSL_TYPE_FLOAT: 6402c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt case GLSL_TYPE_BOOL: 641a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt if (type->is_matrix()) { 6429968f1b23c475c99139f0209c7a049ed00df01afEric Anholt return type->matrix_columns; 643a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt } else { 644a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt /* Regardless of size of vector, it gets a vec4. This is bad 645a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt * packing for things like floats, but otherwise arrays become a 646a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt * mess. Hopefully a later pass over the code can pack scalars 647a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt * down if appropriate. 648a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt */ 649a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt return 1; 650a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt } 6512c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt case GLSL_TYPE_ARRAY: 6522c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt return type_size(type->fields.array) * type->length; 6532c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt case GLSL_TYPE_STRUCT: 6542c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt size = 0; 6552c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt for (i = 0; i < type->length; i++) { 6562c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt size += type_size(type->fields.structure[i].type); 6572c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt } 6582c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt return size; 6598d61a23b1a1d0d4b21f0fab64f6d863a8ee3d7f1Eric Anholt case GLSL_TYPE_SAMPLER: 6600924ba0c3496160a134d37cec800f902ae805b9cEric Anholt /* Samplers take up one slot in UNIFORMS[], but they're baked in 6610924ba0c3496160a134d37cec800f902ae805b9cEric Anholt * at link time. 6628d61a23b1a1d0d4b21f0fab64f6d863a8ee3d7f1Eric Anholt */ 6630924ba0c3496160a134d37cec800f902ae805b9cEric Anholt return 1; 6642c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt default: 6652c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt assert(0); 66619acfa42ed47edb63f5ec3de8051a3102e62e96bJosé Fonseca return 0; 6672c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt } 6682c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt} 6692c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt 670d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt/** 671d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt * In the initial pass of codegen, we assign temporary numbers to 672d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt * intermediate results. (not SSA -- variable assignments will reuse 673d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt * storage). Actual register allocation for the Mesa VM occurs in a 674d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt * pass over the Mesa IR later. 675d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt */ 676d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholtir_to_mesa_src_reg 677d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholtir_to_mesa_visitor::get_temp(const glsl_type *type) 678d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt{ 679d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt ir_to_mesa_src_reg src_reg; 680d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt int swizzle[4]; 681d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt int i; 682d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt 683d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt src_reg.file = PROGRAM_TEMPORARY; 684d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt src_reg.index = next_temp; 685f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt src_reg.reladdr = NULL; 686d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt next_temp += type_size(type); 687d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt 68820c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt if (type->is_array() || type->is_record()) { 68920c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt src_reg.swizzle = SWIZZLE_NOOP; 69020c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt } else { 69120c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt for (i = 0; i < type->vector_elements; i++) 69220c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt swizzle[i] = i; 69320c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt for (; i < 4; i++) 69420c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt swizzle[i] = type->vector_elements - 1; 69520c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt src_reg.swizzle = MAKE_SWIZZLE4(swizzle[0], swizzle[1], 69620c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt swizzle[2], swizzle[3]); 69720c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt } 698ea6b34cce4471d6239201101a3b24db17eaae870Eric Anholt src_reg.negate = 0; 699d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt 700d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt return src_reg; 701d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt} 702d5a5df45a4af93bb845483bdeeae7c8e042b03d8Eric Anholt 703b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholtvariable_storage * 704a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholtir_to_mesa_visitor::find_variable_storage(ir_variable *var) 70584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 706a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt 707b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt variable_storage *entry; 70884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 709b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt foreach_iter(exec_list_iterator, iter, this->variables) { 710b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt entry = (variable_storage *)iter.get(); 71184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 7120161515c395c44233529c8d51f823b60050bc7baEric Anholt if (entry->var == var) 713a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt return entry; 71484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 71584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 716a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt return NULL; 717a9b619bb3b96a90d14650771dedaf1db840d70a6Eric Anholt} 71884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 71984771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 72084771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_variable *ir) 72184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 7224a962170d7cf4243d6ae156fca20a6167388925dEric Anholt if (strcmp(ir->name, "gl_FragCoord") == 0) { 7234a962170d7cf4243d6ae156fca20a6167388925dEric Anholt struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog; 7244a962170d7cf4243d6ae156fca20a6167388925dEric Anholt 7254a962170d7cf4243d6ae156fca20a6167388925dEric Anholt fp->OriginUpperLeft = ir->origin_upper_left; 7264a962170d7cf4243d6ae156fca20a6167388925dEric Anholt fp->PixelCenterInteger = ir->pixel_center_integer; 7274a962170d7cf4243d6ae156fca20a6167388925dEric Anholt } 7286c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7296c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (ir->mode == ir_var_uniform && strncmp(ir->name, "gl_", 3) == 0) { 7306c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt unsigned int i; 731daacaac3c8b91c87ab2cfc2d9f821474552b8181Eric Anholt const struct gl_builtin_uniform_desc *statevar; 7326c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 733daacaac3c8b91c87ab2cfc2d9f821474552b8181Eric Anholt for (i = 0; _mesa_builtin_uniform_desc[i].name; i++) { 734daacaac3c8b91c87ab2cfc2d9f821474552b8181Eric Anholt if (strcmp(ir->name, _mesa_builtin_uniform_desc[i].name) == 0) 7356c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt break; 7366c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7376c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 738daacaac3c8b91c87ab2cfc2d9f821474552b8181Eric Anholt if (!_mesa_builtin_uniform_desc[i].name) { 7396c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt fail_link(this->shader_program, 7406c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt "Failed to find builtin uniform `%s'\n", ir->name); 7416c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt return; 7426c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7436c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 744daacaac3c8b91c87ab2cfc2d9f821474552b8181Eric Anholt statevar = &_mesa_builtin_uniform_desc[i]; 7456c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7466c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt int array_count; 7476c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (ir->type->is_array()) { 7486c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt array_count = ir->type->length; 7496c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } else { 7506c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt array_count = 1; 7516c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7526c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7536c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt /* Check if this statevar's setup in the STATE file exactly 7546c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt * matches how we'll want to reference it as a 7556c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt * struct/array/whatever. If not, then we need to move it into 7566c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt * temporary storage and hope that it'll get copy-propagated 7576c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt * out. 7586c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt */ 7596c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt for (i = 0; i < statevar->num_elements; i++) { 7606c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (statevar->elements[i].swizzle != SWIZZLE_XYZW) { 7616c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt break; 7626c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7636c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7646c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7656c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt struct variable_storage *storage; 7666c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt ir_to_mesa_dst_reg dst; 7676c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (i == statevar->num_elements) { 7686c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt /* We'll set the index later. */ 7696c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt storage = new(mem_ctx) variable_storage(ir, PROGRAM_STATE_VAR, -1); 7706c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt this->variables.push_tail(storage); 7716c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7726c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt dst = ir_to_mesa_undef_dst; 7736c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } else { 7746c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt storage = new(mem_ctx) variable_storage(ir, PROGRAM_TEMPORARY, 7756c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt this->next_temp); 7766c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt this->variables.push_tail(storage); 7776c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt this->next_temp += type_size(ir->type); 7786c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7796c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt dst = ir_to_mesa_dst_reg_from_src(ir_to_mesa_src_reg(PROGRAM_TEMPORARY, 7806c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt storage->index, 7816c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt NULL)); 7826c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7836c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7846c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7856c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt for (int a = 0; a < array_count; a++) { 7866c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt for (unsigned int i = 0; i < statevar->num_elements; i++) { 787daacaac3c8b91c87ab2cfc2d9f821474552b8181Eric Anholt struct gl_builtin_uniform_element *element = &statevar->elements[i]; 7886c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt int tokens[STATE_LENGTH]; 7896c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7906c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt memcpy(tokens, element->tokens, sizeof(element->tokens)); 7916c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (ir->type->is_array()) { 7926c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt tokens[1] = a; 7936c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 7946c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7956c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt int index = _mesa_add_state_reference(this->prog->Parameters, 7966c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt (gl_state_index *)tokens); 7976c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt 7986c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (storage->file == PROGRAM_STATE_VAR) { 7996c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (storage->index == -1) { 8006c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt storage->index = index; 8016c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } else { 8027545514fb65f807fa2c888954f0ac153a918e2ceBrian Paul assert(index == 8037545514fb65f807fa2c888954f0ac153a918e2ceBrian Paul (int)(storage->index + a * statevar->num_elements + i)); 8046c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 8056c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } else { 8066c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt ir_to_mesa_src_reg src(PROGRAM_STATE_VAR, index, NULL); 8076c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt src.swizzle = element->swizzle; 8086c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, dst, src); 8096c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt /* even a float takes up a whole vec4 reg in a struct/array. */ 8106c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt dst.index++; 8116c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 8126c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 8136c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 8146c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt if (storage->file == PROGRAM_TEMPORARY && 8156c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt dst.index != storage->index + type_size(ir->type)) { 8166c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt fail_link(this->shader_program, 8176c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt "failed to load builtin uniform `%s' (%d/%d regs loaded)\n", 8186c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt ir->name, dst.index - storage->index, 8196c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt type_size(ir->type)); 8206c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 8216c0ba32fd1466e8c1700acab3003dc1fe1deb337Eric Anholt } 82284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 82384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 82484771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 82584771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_loop *ir) 82684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 8270f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_dereference_variable *counter = NULL; 8280f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8290f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick if (ir->counter != NULL) 8300f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick counter = new(ir) ir_dereference_variable(ir->counter); 8310f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8320f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick if (ir->from != NULL) { 8330f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick assert(ir->counter != NULL); 8340f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8350f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_assignment *a = new(ir) ir_assignment(counter, ir->from, NULL); 8360f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8370f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick a->accept(this); 8380f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick delete a; 8390f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick } 84084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 841021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_emit_op0(NULL, OPCODE_BGNLOOP); 8420f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8430f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick if (ir->to) { 8440f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_expression *e = 8450f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick new(ir) ir_expression(ir->cmp, glsl_type::bool_type, 8460f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick counter, ir->to); 8470f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_if *if_stmt = new(ir) ir_if(e); 8480f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8490f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_loop_jump *brk = new(ir) ir_loop_jump(ir_loop_jump::jump_break); 8500f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8510f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick if_stmt->then_instructions.push_tail(brk); 8520f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8530f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick if_stmt->accept(this); 8540f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8550f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick delete if_stmt; 8560f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick delete e; 8570f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick delete brk; 8580f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick } 8590f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 86064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt visit_exec_list(&ir->body_instructions, this); 8610f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8620f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick if (ir->increment) { 8630f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_expression *e = 8640f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick new(ir) ir_expression(ir_binop_add, counter->type, 8650f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick counter, ir->increment); 8660f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8670f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick ir_assignment *a = new(ir) ir_assignment(counter, e, NULL); 8680f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 8690f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick a->accept(this); 8700f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick delete a; 8710f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick delete e; 8720f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick } 8730f4f8c73644a9cc436500d605413207c44cfb4eeIan Romanick 874021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_emit_op0(NULL, OPCODE_ENDLOOP); 87584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 87684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 87784771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 87884771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_loop_jump *ir) 87984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 88064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt switch (ir->mode) { 88164fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case ir_loop_jump::jump_break: 882021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_emit_op0(NULL, OPCODE_BRK); 88364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 88464fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case ir_loop_jump::jump_continue: 885021222c6a872ca2eef770ebadb8754f659775204Eric Anholt ir_to_mesa_emit_op0(NULL, OPCODE_CONT); 88664fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 88764fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt } 88884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 88984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 89084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 89184771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 89284771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_function_signature *ir) 89384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 89484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt assert(0); 89584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt (void)ir; 89684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 89784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 89884771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 89984771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_function *ir) 90084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 90184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt /* Ignore function bodies other than main() -- we shouldn't see calls to 90284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * them since they should all be inlined before we get to ir_to_mesa. 90384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt */ 90484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt if (strcmp(ir->name, "main") == 0) { 90584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt const ir_function_signature *sig; 90684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt exec_list empty; 90784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 90884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt sig = ir->matching_signature(&empty); 90984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 91084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt assert(sig); 91184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 91284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt foreach_iter(exec_list_iterator, iter, sig->body) { 91384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir_instruction *ir = (ir_instruction *)iter.get(); 91484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 91584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir->accept(this); 91684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 91784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 91884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 91984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 9203f08989267d9cdd944787fcf7a300c6f1f84462cEric AnholtGLboolean 9213f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholtir_to_mesa_visitor::try_emit_mad(ir_expression *ir, int mul_operand) 9223f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt{ 9233f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt int nonmul_operand = 1 - mul_operand; 9243f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt ir_to_mesa_src_reg a, b, c; 9253f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 9263f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt ir_expression *expr = ir->operands[mul_operand]->as_expression(); 9273f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt if (!expr || expr->operation != ir_binop_mul) 9283f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt return false; 9293f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 9303f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt expr->operands[0]->accept(this); 9313f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt a = this->result; 9323f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt expr->operands[1]->accept(this); 9333f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt b = this->result; 9343f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt ir->operands[nonmul_operand]->accept(this); 9353f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt c = this->result; 9363f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 9373f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt this->result = get_temp(ir->type); 9383f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt ir_to_mesa_emit_op3(ir, OPCODE_MAD, 9393f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt ir_to_mesa_dst_reg_from_src(this->result), a, b, c); 9403f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 9413f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt return true; 9423f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt} 9433f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 944ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric AnholtGLboolean 945ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholtir_to_mesa_visitor::try_emit_sat(ir_expression *ir) 946ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt{ 947ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt /* Saturates were only introduced to vertex programs in 948ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt * NV_vertex_program3, so don't give them to drivers in the VP. 949ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt */ 950ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt if (this->prog->Target == GL_VERTEX_PROGRAM_ARB) 951ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt return false; 952ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt 953ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt ir_rvalue *sat_src = ir->as_rvalue_to_saturate(); 954ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt if (!sat_src) 955ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt return false; 956ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt 957ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt sat_src->accept(this); 958ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt ir_to_mesa_src_reg src = this->result; 959ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt 960ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt this->result = get_temp(ir->type); 961ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt ir_to_mesa_instruction *inst; 962ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt inst = ir_to_mesa_emit_op1(ir, OPCODE_MOV, 963ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt ir_to_mesa_dst_reg_from_src(this->result), 964ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt src); 965ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt inst->saturate = true; 966ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt 967ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt return true; 968ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt} 969ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt 97084771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 971f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholtir_to_mesa_visitor::reladdr_to_temp(ir_instruction *ir, 972f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_src_reg *reg, int *num_reladdr) 973f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt{ 974f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt if (!reg->reladdr) 975f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt return; 976f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 977f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_ARL, ir_to_mesa_address_reg, *reg->reladdr); 978f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 979f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt if (*num_reladdr != 1) { 980f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_src_reg temp = get_temp(glsl_type::vec4_type); 981f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 982f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, 983f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt ir_to_mesa_dst_reg_from_src(temp), *reg); 984f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt *reg = temp; 985f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt } 986f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 987f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt (*num_reladdr)--; 988f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt} 989f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 990f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholtvoid 99111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanickir_to_mesa_visitor::emit_swz(ir_expression *ir) 99211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick{ 99311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick /* Assume that the vector operator is in a form compatible with OPCODE_SWZ. 99411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * This means that each of the operands is either an immediate value of -1, 99511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * 0, or 1, or is a component from one source register (possibly with 99611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * negation). 99711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick */ 99811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick uint8_t components[4] = { 0 }; 99911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick bool negate[4] = { false }; 100011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_variable *var = NULL; 100111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 100211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick for (unsigned i = 0; i < ir->type->vector_elements; i++) { 100311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_rvalue *op = ir->operands[i]; 100411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 100511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(op->type->is_scalar()); 100611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 100711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick while (op != NULL) { 100811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick switch (op->ir_type) { 100911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick case ir_type_constant: { 101011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 101111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(op->type->is_scalar()); 101211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 101311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick const ir_constant *const c = op->as_constant(); 101411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick if (c->is_one()) { 101511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[i] = SWIZZLE_ONE; 101611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } else if (c->is_zero()) { 101711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[i] = SWIZZLE_ZERO; 101811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } else if (c->is_negative_one()) { 101911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[i] = SWIZZLE_ONE; 102011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick negate[i] = true; 102111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } else { 102211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(!"SWZ constant must be 0.0 or 1.0."); 102311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 102411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 102511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick op = NULL; 102611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick break; 102711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 102811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 102911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick case ir_type_dereference_variable: { 103011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_dereference_variable *const deref = 103111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick (ir_dereference_variable *) op; 103211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 103311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert((var == NULL) || (deref->var == var)); 103411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[i] = SWIZZLE_X; 103511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick var = deref->var; 103611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick op = NULL; 103711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick break; 103811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 103911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 104011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick case ir_type_expression: { 104111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_expression *const expr = (ir_expression *) op; 104211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 104311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(expr->operation == ir_unop_neg); 104411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick negate[i] = true; 104511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 104611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick op = expr->operands[0]; 104711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick break; 104811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 104911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 105011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick case ir_type_swizzle: { 105111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_swizzle *const swiz = (ir_swizzle *) op; 105211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 105311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[i] = swiz->mask.x; 105411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick op = swiz->val; 105511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick break; 105611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 105711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 105811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick default: 105911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(!"Should not get here."); 106011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick return; 106111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 106211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 106311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 106411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 106511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(var != NULL); 106611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 106711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_dereference_variable *const deref = 106811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick new(mem_ctx) ir_dereference_variable(var); 106911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 107011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick this->result.file = PROGRAM_UNDEFINED; 107111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick deref->accept(this); 107211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick if (this->result.file == PROGRAM_UNDEFINED) { 107311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_print_visitor v; 107411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick printf("Failed to get tree for expression operand:\n"); 107511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick deref->accept(&v); 107611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick exit(1); 107711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 107811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 107911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_to_mesa_src_reg src; 108011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 108111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick src = this->result; 108211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick src.swizzle = MAKE_SWIZZLE4(components[0], 108311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[1], 108411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[2], 108511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick components[3]); 108611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick src.negate = ((unsigned(negate[0]) << 0) 108711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick | (unsigned(negate[1]) << 1) 108811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick | (unsigned(negate[2]) << 2) 108911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick | (unsigned(negate[3]) << 3)); 109011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 109111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick /* Storage for our result. Ideally for an assignment we'd be using the 109211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * actual storage for the result here, instead. 109311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick */ 109411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick const ir_to_mesa_src_reg result_src = get_temp(ir->type); 109511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_to_mesa_dst_reg result_dst = ir_to_mesa_dst_reg_from_src(result_src); 109611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 109711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick /* Limit writes to the channels that will be used by result_src later. 109811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * This does limit this temp's use as a temporary for multi-instruction 109911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick * sequences. 110011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick */ 110111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick result_dst.writemask = (1 << ir->type->vector_elements) - 1; 110211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 110311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick ir_to_mesa_emit_op1(ir, OPCODE_SWZ, result_dst, src); 110411d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick this->result = result_src; 110511d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick} 110611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 110711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanickvoid 110884771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_expression *ir) 110984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 111084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt unsigned int operand; 1111fc92e87b9757eda01caf0bb3e2c31b1dbbd73aa0Ian Romanick struct ir_to_mesa_src_reg op[Elements(ir->operands)]; 11120161515c395c44233529c8d51f823b60050bc7baEric Anholt struct ir_to_mesa_src_reg result_src; 11130161515c395c44233529c8d51f823b60050bc7baEric Anholt struct ir_to_mesa_dst_reg result_dst; 111484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 11153f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt /* Quick peephole: Emit OPCODE_MAD(a, b, c) instead of ADD(MUL(a, b), c) 11163f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt */ 11173f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt if (ir->operation == ir_binop_add) { 11183f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt if (try_emit_mad(ir, 1)) 11193f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt return; 11203f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt if (try_emit_mad(ir, 0)) 11213f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt return; 11223f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt } 1123ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt if (try_emit_sat(ir)) 1124ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt return; 11253f08989267d9cdd944787fcf7a300c6f1f84462cEric Anholt 112611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick if (ir->operation == ir_quadop_vector) { 112711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick this->emit_swz(ir); 112811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick return; 112911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick } 113011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 113184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt for (operand = 0; operand < ir->get_num_operands(); operand++) { 11320161515c395c44233529c8d51f823b60050bc7baEric Anholt this->result.file = PROGRAM_UNDEFINED; 113384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir->operands[operand]->accept(this); 11340161515c395c44233529c8d51f823b60050bc7baEric Anholt if (this->result.file == PROGRAM_UNDEFINED) { 113584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir_print_visitor v; 113684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt printf("Failed to get tree for expression operand:\n"); 113784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir->operands[operand]->accept(&v); 113884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt exit(1); 113984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 114084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt op[operand] = this->result; 11418364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt 11424ca07882afad656bf0a0f56b68038ce556bceec4Eric Anholt /* Matrix expression operands should have been broken down to vector 11434ca07882afad656bf0a0f56b68038ce556bceec4Eric Anholt * operations already. 11444ca07882afad656bf0a0f56b68038ce556bceec4Eric Anholt */ 11454ca07882afad656bf0a0f56b68038ce556bceec4Eric Anholt assert(!ir->operands[operand]->type->is_matrix()); 114684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 114784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 1148eaa6bf59db68f97fa32c3395eb4aa6e589f34b26Eric Anholt int vector_elements = ir->operands[0]->type->vector_elements; 1149eaa6bf59db68f97fa32c3395eb4aa6e589f34b26Eric Anholt if (ir->operands[1]) { 1150eaa6bf59db68f97fa32c3395eb4aa6e589f34b26Eric Anholt vector_elements = MAX2(vector_elements, 1151eaa6bf59db68f97fa32c3395eb4aa6e589f34b26Eric Anholt ir->operands[1]->type->vector_elements); 1152eaa6bf59db68f97fa32c3395eb4aa6e589f34b26Eric Anholt } 1153eaa6bf59db68f97fa32c3395eb4aa6e589f34b26Eric Anholt 11540161515c395c44233529c8d51f823b60050bc7baEric Anholt this->result.file = PROGRAM_UNDEFINED; 11550161515c395c44233529c8d51f823b60050bc7baEric Anholt 11560161515c395c44233529c8d51f823b60050bc7baEric Anholt /* Storage for our result. Ideally for an assignment we'd be using 11570161515c395c44233529c8d51f823b60050bc7baEric Anholt * the actual storage for the result here, instead. 11580161515c395c44233529c8d51f823b60050bc7baEric Anholt */ 11598364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt result_src = get_temp(ir->type); 11600161515c395c44233529c8d51f823b60050bc7baEric Anholt /* convenience for the emit functions below. */ 11610161515c395c44233529c8d51f823b60050bc7baEric Anholt result_dst = ir_to_mesa_dst_reg_from_src(result_src); 11629cd8cad9f3dc4774366193acbfc5ab22198096e7Eric Anholt /* Limit writes to the channels that will be used by result_src later. 11639cd8cad9f3dc4774366193acbfc5ab22198096e7Eric Anholt * This does limit this temp's use as a temporary for multi-instruction 11649cd8cad9f3dc4774366193acbfc5ab22198096e7Eric Anholt * sequences. 11659cd8cad9f3dc4774366193acbfc5ab22198096e7Eric Anholt */ 11669cd8cad9f3dc4774366193acbfc5ab22198096e7Eric Anholt result_dst.writemask = (1 << ir->type->vector_elements) - 1; 116784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 116884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt switch (ir->operation) { 11691d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt case ir_unop_logic_not: 1170f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SEQ, result_dst, 1171f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt op[0], src_reg_for_float(0.0)); 11721d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt break; 1173c45b615a379e5b9cbcf951f9d738a1be77a5964bEric Anholt case ir_unop_neg: 11740161515c395c44233529c8d51f823b60050bc7baEric Anholt op[0].negate = ~op[0].negate; 11750161515c395c44233529c8d51f823b60050bc7baEric Anholt result_src = op[0]; 1176c45b615a379e5b9cbcf951f9d738a1be77a5964bEric Anholt break; 1177524745bc55dd23c612aebdb545125727bfb16e4dEric Anholt case ir_unop_abs: 1178524745bc55dd23c612aebdb545125727bfb16e4dEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_ABS, result_dst, op[0]); 1179524745bc55dd23c612aebdb545125727bfb16e4dEric Anholt break; 11803acd92a91f3e799b9f839a074f4d76a0e88d71feEric Anholt case ir_unop_sign: 11813acd92a91f3e799b9f839a074f4d76a0e88d71feEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_SSG, result_dst, op[0]); 11823acd92a91f3e799b9f839a074f4d76a0e88d71feEric Anholt break; 11838761fcc2bf964d26c70229c712ce446dbe504ab7Eric Anholt case ir_unop_rcp: 11848761fcc2bf964d26c70229c712ce446dbe504ab7Eric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_RCP, result_dst, op[0]); 11858761fcc2bf964d26c70229c712ce446dbe504ab7Eric Anholt break; 1186524745bc55dd23c612aebdb545125727bfb16e4dEric Anholt 11878c29a1d84d738cfddf16d5f013876ee2cca96a81Eric Anholt case ir_unop_exp2: 11880161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_EX2, result_dst, op[0]); 11898c29a1d84d738cfddf16d5f013876ee2cca96a81Eric Anholt break; 1190bc4034b243975089c06c4415d4e26edaaaec7a46Eric Anholt case ir_unop_exp: 11918c29a1d84d738cfddf16d5f013876ee2cca96a81Eric Anholt case ir_unop_log: 1192bc4034b243975089c06c4415d4e26edaaaec7a46Eric Anholt assert(!"not reached: should be handled by ir_explog_to_explog2"); 11938c29a1d84d738cfddf16d5f013876ee2cca96a81Eric Anholt break; 11948c29a1d84d738cfddf16d5f013876ee2cca96a81Eric Anholt case ir_unop_log2: 11950161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_LG2, result_dst, op[0]); 11968c29a1d84d738cfddf16d5f013876ee2cca96a81Eric Anholt break; 11973c5979565facebc82000a611b991d2977b8e9bbfEric Anholt case ir_unop_sin: 11980161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_SIN, result_dst, op[0]); 11993c5979565facebc82000a611b991d2977b8e9bbfEric Anholt break; 12003c5979565facebc82000a611b991d2977b8e9bbfEric Anholt case ir_unop_cos: 12010161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_COS, result_dst, op[0]); 12023c5979565facebc82000a611b991d2977b8e9bbfEric Anholt break; 1203f2616e56de8a48360cae8f269727b58490555f4dIan Romanick case ir_unop_sin_reduced: 1204f2616e56de8a48360cae8f269727b58490555f4dIan Romanick emit_scs(ir, OPCODE_SIN, result_dst, op[0]); 1205f2616e56de8a48360cae8f269727b58490555f4dIan Romanick break; 1206f2616e56de8a48360cae8f269727b58490555f4dIan Romanick case ir_unop_cos_reduced: 1207f2616e56de8a48360cae8f269727b58490555f4dIan Romanick emit_scs(ir, OPCODE_COS, result_dst, op[0]); 1208f2616e56de8a48360cae8f269727b58490555f4dIan Romanick break; 1209ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt 1210ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt case ir_unop_dFdx: 1211ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_DDX, result_dst, op[0]); 1212ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt break; 1213ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt case ir_unop_dFdy: 1214ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_DDY, result_dst, op[0]); 1215ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt break; 1216ba9bd708cb3480817e18cc47e57d83a4e4c305bbEric Anholt 12173a5ce85cfa4914711e56c8cf831699242618928eIan Romanick case ir_unop_noise: { 12183a5ce85cfa4914711e56c8cf831699242618928eIan Romanick const enum prog_opcode opcode = 12193a5ce85cfa4914711e56c8cf831699242618928eIan Romanick prog_opcode(OPCODE_NOISE1 12203a5ce85cfa4914711e56c8cf831699242618928eIan Romanick + (ir->operands[0]->type->vector_elements) - 1); 12213a5ce85cfa4914711e56c8cf831699242618928eIan Romanick assert((opcode >= OPCODE_NOISE1) && (opcode <= OPCODE_NOISE4)); 12223a5ce85cfa4914711e56c8cf831699242618928eIan Romanick 12233a5ce85cfa4914711e56c8cf831699242618928eIan Romanick ir_to_mesa_emit_op1(ir, opcode, result_dst, op[0]); 12243a5ce85cfa4914711e56c8cf831699242618928eIan Romanick break; 12253a5ce85cfa4914711e56c8cf831699242618928eIan Romanick } 12263a5ce85cfa4914711e56c8cf831699242618928eIan Romanick 122784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case ir_binop_add: 12287b48843ecd6690902e4f3bd709a041133b7fb540Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_ADD, result_dst, op[0], op[1]); 122984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 123084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case ir_binop_sub: 12317b48843ecd6690902e4f3bd709a041133b7fb540Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SUB, result_dst, op[0], op[1]); 123284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 12339b68b88e43c424439d425534ef280ee7a9406a1bEric Anholt 123484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case ir_binop_mul: 12354ca07882afad656bf0a0f56b68038ce556bceec4Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_MUL, result_dst, op[0], op[1]); 123684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 123784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case ir_binop_div: 12389a0e421983edc31371440c08687fa2bb2207924dEric Anholt assert(!"not reached: should be handled by ir_div_to_mul_rcp"); 1239411fb36b7cee223e090b4b9ef9bc14e058201a68Eric Anholt case ir_binop_mod: 1240411fb36b7cee223e090b4b9ef9bc14e058201a68Eric Anholt assert(!"ir_binop_mod should have been converted to b * fract(a/b)"); 1241411fb36b7cee223e090b4b9ef9bc14e058201a68Eric Anholt break; 124238315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt 124338315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt case ir_binop_less: 1244f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SLT, result_dst, op[0], op[1]); 124538315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt break; 124638315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt case ir_binop_greater: 1247f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SGT, result_dst, op[0], op[1]); 124838315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt break; 124938315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt case ir_binop_lequal: 1250f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SLE, result_dst, op[0], op[1]); 125138315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt break; 125238315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt case ir_binop_gequal: 1253f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SGE, result_dst, op[0], op[1]); 125438315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt break; 125538315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt case ir_binop_equal: 12564dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_to_mesa_emit_op2(ir, OPCODE_SEQ, result_dst, op[0], op[1]); 12574dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri break; 12584dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri case ir_binop_nequal: 12594dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri ir_to_mesa_emit_op2(ir, OPCODE_SNE, result_dst, op[0], op[1]); 12604dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri break; 12614dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri case ir_binop_all_equal: 12626992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt /* "==" operator producing a scalar boolean. */ 12636992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt if (ir->operands[0]->type->is_vector() || 12646992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir->operands[1]->type->is_vector()) { 12656992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_src_reg temp = get_temp(glsl_type::vec4_type); 12666992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, 12676992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_dst_reg_from_src(temp), op[0], op[1]); 1268ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_emit_dp(ir, result_dst, temp, temp, vector_elements); 12696992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SEQ, 12706992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt result_dst, result_src, src_reg_for_float(0.0)); 12716992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt } else { 12726992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SEQ, result_dst, op[0], op[1]); 12736992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt } 127438315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt break; 12754dfb89904c0a3d2166e9a3fc0253a254680e91bcLuca Barbieri case ir_binop_any_nequal: 12766992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt /* "!=" operator producing a scalar boolean. */ 12776992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt if (ir->operands[0]->type->is_vector() || 12786992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir->operands[1]->type->is_vector()) { 12796992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_src_reg temp = get_temp(glsl_type::vec4_type); 12806992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, 12816992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_dst_reg_from_src(temp), op[0], op[1]); 1282ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_emit_dp(ir, result_dst, temp, temp, vector_elements); 12836992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, 12846992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt result_dst, result_src, src_reg_for_float(0.0)); 12856992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt } else { 12866992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, result_dst, op[0], op[1]); 12876992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt } 12886992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt break; 12895e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt 12905e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt case ir_unop_any: 1291ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick assert(ir->operands[0]->type->is_vector()); 1292ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_emit_dp(ir, result_dst, op[0], op[0], 1293ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir->operands[0]->type->vector_elements); 12945e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, 12955e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt result_dst, result_src, src_reg_for_float(0.0)); 12965e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt break; 12975e9ac94cc44ef4f97063d7b696411b2a4be16f36Eric Anholt 12986992c3c3739dad249e8c396057d5cbeedcdf91deEric Anholt case ir_binop_logic_xor: 1299f4bd7f262e43301158f059af90176a476ffdbf60Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, result_dst, op[0], op[1]); 130038315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt break; 130138315079571512dc5b502d9522d7a8c3eaf2cc8fEric Anholt 13024380099c98119611ceee684669d00be26195c7d7Eric Anholt case ir_binop_logic_or: 13030161515c395c44233529c8d51f823b60050bc7baEric Anholt /* This could be a saturated add and skip the SNE. */ 13040161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_ADD, 13050161515c395c44233529c8d51f823b60050bc7baEric Anholt result_dst, 13060161515c395c44233529c8d51f823b60050bc7baEric Anholt op[0], op[1]); 13070161515c395c44233529c8d51f823b60050bc7baEric Anholt 13080161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, 13090161515c395c44233529c8d51f823b60050bc7baEric Anholt result_dst, 13100161515c395c44233529c8d51f823b60050bc7baEric Anholt result_src, src_reg_for_float(0.0)); 13114380099c98119611ceee684669d00be26195c7d7Eric Anholt break; 13124380099c98119611ceee684669d00be26195c7d7Eric Anholt 13134380099c98119611ceee684669d00be26195c7d7Eric Anholt case ir_binop_logic_and: 13144380099c98119611ceee684669d00be26195c7d7Eric Anholt /* the bool args are stored as float 0.0 or 1.0, so "mul" gives us "and". */ 13150161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_MUL, 13160161515c395c44233529c8d51f823b60050bc7baEric Anholt result_dst, 13170161515c395c44233529c8d51f823b60050bc7baEric Anholt op[0], op[1]); 13184380099c98119611ceee684669d00be26195c7d7Eric Anholt break; 13194380099c98119611ceee684669d00be26195c7d7Eric Anholt 132084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case ir_binop_dot: 1321ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick assert(ir->operands[0]->type->is_vector()); 1322ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick assert(ir->operands[0]->type == ir->operands[1]->type); 1323ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir_to_mesa_emit_dp(ir, result_dst, op[0], op[1], 1324ad8cb131d8f73dee75e7be39dbc004783cd7f350Ian Romanick ir->operands[0]->type->vector_elements); 132584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 13269be7f638130f46a9df2bfbcd4a03b36de9e4f3aaEric Anholt 132784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case ir_unop_sqrt: 13284f189b3bf57a6500953dac49105f160af5fa6468Marek Olšák /* sqrt(x) = x * rsq(x). */ 13290161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_RSQ, result_dst, op[0]); 13304f189b3bf57a6500953dac49105f160af5fa6468Marek Olšák ir_to_mesa_emit_op2(ir, OPCODE_MUL, result_dst, result_src, op[0]); 1331c9039fdb167865547dc9b3828d69b99209344999Brian Paul /* For incoming channels <= 0, set the result to 0. */ 1332c9039fdb167865547dc9b3828d69b99209344999Brian Paul op[0].negate = ~op[0].negate; 13338f62ad6d0ff3c11808739c74441f82f6f12485d6Eric Anholt ir_to_mesa_emit_op3(ir, OPCODE_CMP, result_dst, 1334c9039fdb167865547dc9b3828d69b99209344999Brian Paul op[0], result_src, src_reg_for_float(0.0)); 133584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 1336878740bedf418e5bf42ed6d350c938d29abaaf25Eric Anholt case ir_unop_rsq: 13370161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_scalar_op1(ir, OPCODE_RSQ, result_dst, op[0]); 1338878740bedf418e5bf42ed6d350c938d29abaaf25Eric Anholt break; 133950ad96ebce6ea19b414a02d2d45f0b0c73586abfEric Anholt case ir_unop_i2f: 1340d6ebe9b16b25f25ba763baf3738addc50676d5d0Eric Anholt case ir_unop_b2f: 1341d6ebe9b16b25f25ba763baf3738addc50676d5d0Eric Anholt case ir_unop_b2i: 1342423a75c5d607a33cb5fe76a0a9c903cccc645fa7Eric Anholt /* Mesa IR lacks types, ints are stored as truncated floats. */ 13430161515c395c44233529c8d51f823b60050bc7baEric Anholt result_src = op[0]; 134450ad96ebce6ea19b414a02d2d45f0b0c73586abfEric Anholt break; 1345423a75c5d607a33cb5fe76a0a9c903cccc645fa7Eric Anholt case ir_unop_f2i: 13460161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_TRUNC, result_dst, op[0]); 1347423a75c5d607a33cb5fe76a0a9c903cccc645fa7Eric Anholt break; 13481d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt case ir_unop_f2b: 1349411fb36b7cee223e090b4b9ef9bc14e058201a68Eric Anholt case ir_unop_i2b: 13500161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_SNE, result_dst, 135166afcb560771b6ba6ad668156e9f442e86b9a7a2Eric Anholt op[0], src_reg_for_float(0.0)); 13521d20862c8a0e100e43458f01217c047c76da05f3Eric Anholt break; 1353c2014f03e8d6b7e21e2d0c31270ced04e1025653Eric Anholt case ir_unop_trunc: 13540161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_TRUNC, result_dst, op[0]); 1355c2014f03e8d6b7e21e2d0c31270ced04e1025653Eric Anholt break; 1356c2014f03e8d6b7e21e2d0c31270ced04e1025653Eric Anholt case ir_unop_ceil: 13570161515c395c44233529c8d51f823b60050bc7baEric Anholt op[0].negate = ~op[0].negate; 13580161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_FLR, result_dst, op[0]); 13590161515c395c44233529c8d51f823b60050bc7baEric Anholt result_src.negate = ~result_src.negate; 1360c2014f03e8d6b7e21e2d0c31270ced04e1025653Eric Anholt break; 1361c2014f03e8d6b7e21e2d0c31270ced04e1025653Eric Anholt case ir_unop_floor: 13620161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_FLR, result_dst, op[0]); 1363c2014f03e8d6b7e21e2d0c31270ced04e1025653Eric Anholt break; 1364d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt case ir_unop_fract: 1365d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_FRC, result_dst, op[0]); 1366d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt break; 1367d925c9173009e9e5d48df30b30aaef22753183aaEric Anholt 1368c23c6c773a5c79b458e52ff42bd9f431c87d4036Eric Anholt case ir_binop_min: 13690161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_MIN, result_dst, op[0], op[1]); 1370c23c6c773a5c79b458e52ff42bd9f431c87d4036Eric Anholt break; 1371c23c6c773a5c79b458e52ff42bd9f431c87d4036Eric Anholt case ir_binop_max: 13720161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_emit_op2(ir, OPCODE_MAX, result_dst, op[0], op[1]); 1373c23c6c773a5c79b458e52ff42bd9f431c87d4036Eric Anholt break; 1374904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt case ir_binop_pow: 1375904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt ir_to_mesa_emit_scalar_op2(ir, OPCODE_POW, result_dst, op[0], op[1]); 1376904b5bfe9986a297dc71fe081ce0f2661d43b00bEric Anholt break; 1377e64a4aaacbc682f24180dff3627b84861844476dEric Anholt 1378e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_unop_bit_not: 1379e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_unop_u2f: 1380e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_binop_lshift: 1381e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_binop_rshift: 1382e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_binop_bit_and: 1383e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_binop_bit_xor: 1384e64a4aaacbc682f24180dff3627b84861844476dEric Anholt case ir_binop_bit_or: 1385d85d25dd1f4fd281bd210ba6ba5135ba1e3b535fKenneth Graunke case ir_unop_round_even: 1386e64a4aaacbc682f24180dff3627b84861844476dEric Anholt assert(!"GLSL 1.30 features unsupported"); 1387e64a4aaacbc682f24180dff3627b84861844476dEric Anholt break; 138811d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 138911d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick case ir_quadop_vector: 139011d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick /* This operation should have already been handled. 139111d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick */ 139211d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick assert(!"Should not get here."); 139311d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick break; 139484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 1395b2ed4dd7b0270e469302965269007292117d02e2Eric Anholt 13960161515c395c44233529c8d51f823b60050bc7baEric Anholt this->result = result_src; 139784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 139884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 139984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 140084771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 140184771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_swizzle *ir) 140284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 14030161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src_reg; 140484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt int i; 140584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt int swizzle[4]; 140684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 1407b07cc372c6360d0e59c84bb7586597f028c74b02Eric Anholt /* Note that this is only swizzles in expressions, not those on the left 1408b07cc372c6360d0e59c84bb7586597f028c74b02Eric Anholt * hand side of an assignment, which do write masking. See ir_assignment 1409b07cc372c6360d0e59c84bb7586597f028c74b02Eric Anholt * for that. 1410b07cc372c6360d0e59c84bb7586597f028c74b02Eric Anholt */ 141184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 141284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir->val->accept(this); 14134006424f5b5b3b189209faf03f2335f45c22b148Eric Anholt src_reg = this->result; 14144006424f5b5b3b189209faf03f2335f45c22b148Eric Anholt assert(src_reg.file != PROGRAM_UNDEFINED); 141584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 141684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt for (i = 0; i < 4; i++) { 141784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt if (i < ir->type->vector_elements) { 141884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt switch (i) { 141984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case 0: 1420698b84444343189357ad252856d3c5493e47e4faEric Anholt swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.x); 142184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 142284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case 1: 1423698b84444343189357ad252856d3c5493e47e4faEric Anholt swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.y); 142484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 142584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case 2: 1426698b84444343189357ad252856d3c5493e47e4faEric Anholt swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.z); 142784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 142884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt case 3: 1429698b84444343189357ad252856d3c5493e47e4faEric Anholt swizzle[i] = GET_SWZ(src_reg.swizzle, ir->mask.w); 143084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt break; 143184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 143284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } else { 143384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt /* If the type is smaller than a vec4, replicate the last 143484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt * channel out. 143584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt */ 1436698b84444343189357ad252856d3c5493e47e4faEric Anholt swizzle[i] = swizzle[ir->type->vector_elements - 1]; 143784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 143884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 143984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 14400161515c395c44233529c8d51f823b60050bc7baEric Anholt src_reg.swizzle = MAKE_SWIZZLE4(swizzle[0], 14410161515c395c44233529c8d51f823b60050bc7baEric Anholt swizzle[1], 14420161515c395c44233529c8d51f823b60050bc7baEric Anholt swizzle[2], 14430161515c395c44233529c8d51f823b60050bc7baEric Anholt swizzle[3]); 144484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 14450161515c395c44233529c8d51f823b60050bc7baEric Anholt this->result = src_reg; 144684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 144784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 144884771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 144984771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_dereference_variable *ir) 145084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 1451b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt variable_storage *entry = find_variable_storage(ir->var); 145284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 14538364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt if (!entry) { 14548364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt switch (ir->var->mode) { 14558364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt case ir_var_uniform: 14560924ba0c3496160a134d37cec800f902ae805b9cEric Anholt entry = new(mem_ctx) variable_storage(ir->var, PROGRAM_UNIFORM, 14570924ba0c3496160a134d37cec800f902ae805b9cEric Anholt ir->var->location); 1458b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt this->variables.push_tail(entry); 14598364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt break; 14608364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt case ir_var_in: 14618364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt case ir_var_out: 14628364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt case ir_var_inout: 1463a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt /* The linker assigns locations for varyings and attributes, 1464a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt * including deprecated builtins (like gl_Color), user-assign 1465a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt * generic attributes (glBindVertexLocation), and 1466a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt * user-defined varyings. 1467a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt * 1468a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt * FINISHME: We would hit this path for function arguments. Fix! 1469f9ffccb06bcc90c862f20f8849b824022fbeebbfEric Anholt */ 1470f9ffccb06bcc90c862f20f8849b824022fbeebbfEric Anholt assert(ir->var->location != -1); 1471a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt if (ir->var->mode == ir_var_in || 1472a0b3b9302978ab6d4db62f0c9b2b313ebc7ed0b4Eric Anholt ir->var->mode == ir_var_inout) { 1473b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt entry = new(mem_ctx) variable_storage(ir->var, 1474b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt PROGRAM_INPUT, 1475b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt ir->var->location); 1476edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt 1477edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt if (this->prog->Target == GL_VERTEX_PROGRAM_ARB && 1478edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt ir->var->location >= VERT_ATTRIB_GENERIC0) { 1479edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt _mesa_add_attribute(prog->Attributes, 1480edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt ir->var->name, 1481658e25987fbec3b826f500baa6d4d936b9552b13Eric Anholt _mesa_sizeof_glsl_type(ir->var->type->gl_type), 1482edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt ir->var->type->gl_type, 1483c64da87611823b4b53e93188f861f748a69936a3Eric Anholt ir->var->location - VERT_ATTRIB_GENERIC0); 1484edcb9c2b062693a5974aa74725f6259023fff794Eric Anholt } 1485f9ffccb06bcc90c862f20f8849b824022fbeebbfEric Anholt } else { 1486b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt entry = new(mem_ctx) variable_storage(ir->var, 1487b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt PROGRAM_OUTPUT, 1488b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt ir->var->location); 1489f9ffccb06bcc90c862f20f8849b824022fbeebbfEric Anholt } 1490f9ffccb06bcc90c862f20f8849b824022fbeebbfEric Anholt 14918364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt break; 14928364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt case ir_var_auto: 14937e2aa91507a5883e33473e0a94215ee3985baad1Ian Romanick case ir_var_temporary: 1494b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt entry = new(mem_ctx) variable_storage(ir->var, PROGRAM_TEMPORARY, 1495b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt this->next_temp); 1496b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt this->variables.push_tail(entry); 1497224f712950494730c76b48864f2ca19acde1c8cfEric Anholt 14988364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt next_temp += type_size(ir->var->type); 14998364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt break; 150084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 15018364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt 15028364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt if (!entry) { 15038364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt printf("Failed to make storage for %s\n", ir->var->name); 15048364fc85b8273b4d0f2ecebe7e0085e250d29990Eric Anholt exit(1); 1505224f712950494730c76b48864f2ca19acde1c8cfEric Anholt } 150684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 150784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 15089c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->result = ir_to_mesa_src_reg(entry->file, entry->index, ir->var->type); 150984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 151084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 151184771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 151284771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_dereference_array *ir) 151384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 1514ab386f18b045fe260112bd9a239cb503e737c1dbEric Anholt ir_constant *index; 15150161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src_reg; 15168258a6a2c36c9769428f4525415d6c0d565e588cEric Anholt int element_size = type_size(ir->type); 1517ab386f18b045fe260112bd9a239cb503e737c1dbEric Anholt 1518ab386f18b045fe260112bd9a239cb503e737c1dbEric Anholt index = ir->array_index->constant_expression_value(); 15194e5e0f018baedb2d0aa0e1f43efe339da16a09c6Eric Anholt 1520ab386f18b045fe260112bd9a239cb503e737c1dbEric Anholt ir->array->accept(this); 15210161515c395c44233529c8d51f823b60050bc7baEric Anholt src_reg = this->result; 15224e5e0f018baedb2d0aa0e1f43efe339da16a09c6Eric Anholt 15234d5da50b94115d055ba8d0ff8717054582665384Eric Anholt if (index) { 15244d5da50b94115d055ba8d0ff8717054582665384Eric Anholt src_reg.index += index->value.i[0] * element_size; 15254e5e0f018baedb2d0aa0e1f43efe339da16a09c6Eric Anholt } else { 15264d5da50b94115d055ba8d0ff8717054582665384Eric Anholt ir_to_mesa_src_reg array_base = this->result; 15274d5da50b94115d055ba8d0ff8717054582665384Eric Anholt /* Variable index array dereference. It eats the "vec4" of the 15284d5da50b94115d055ba8d0ff8717054582665384Eric Anholt * base of the array and an index that offsets the Mesa register 15294d5da50b94115d055ba8d0ff8717054582665384Eric Anholt * index. 15304d5da50b94115d055ba8d0ff8717054582665384Eric Anholt */ 15314d5da50b94115d055ba8d0ff8717054582665384Eric Anholt ir->array_index->accept(this); 15328258a6a2c36c9769428f4525415d6c0d565e588cEric Anholt 15334d5da50b94115d055ba8d0ff8717054582665384Eric Anholt ir_to_mesa_src_reg index_reg; 15348258a6a2c36c9769428f4525415d6c0d565e588cEric Anholt 15354d5da50b94115d055ba8d0ff8717054582665384Eric Anholt if (element_size == 1) { 15364d5da50b94115d055ba8d0ff8717054582665384Eric Anholt index_reg = this->result; 15374d5da50b94115d055ba8d0ff8717054582665384Eric Anholt } else { 15384d5da50b94115d055ba8d0ff8717054582665384Eric Anholt index_reg = get_temp(glsl_type::float_type); 1539f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt 15404d5da50b94115d055ba8d0ff8717054582665384Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_MUL, 15414d5da50b94115d055ba8d0ff8717054582665384Eric Anholt ir_to_mesa_dst_reg_from_src(index_reg), 15424d5da50b94115d055ba8d0ff8717054582665384Eric Anholt this->result, src_reg_for_float(element_size)); 1543bdbd9f112e2832eeddce8fc4f70f11005bbe4027Eric Anholt } 15444d5da50b94115d055ba8d0ff8717054582665384Eric Anholt 15454d5da50b94115d055ba8d0ff8717054582665384Eric Anholt src_reg.reladdr = talloc(mem_ctx, ir_to_mesa_src_reg); 15464d5da50b94115d055ba8d0ff8717054582665384Eric Anholt memcpy(src_reg.reladdr, &index_reg, sizeof(index_reg)); 15474e5e0f018baedb2d0aa0e1f43efe339da16a09c6Eric Anholt } 154884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 154984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt /* If the type is smaller than a vec4, replicate the last channel out. */ 155085e93da18ca2c967ca12870b62ab1aac2f0b880cEric Anholt if (ir->type->is_scalar() || ir->type->is_vector()) 155185e93da18ca2c967ca12870b62ab1aac2f0b880cEric Anholt src_reg.swizzle = swizzle_for_size(ir->type->vector_elements); 155285e93da18ca2c967ca12870b62ab1aac2f0b880cEric Anholt else 155385e93da18ca2c967ca12870b62ab1aac2f0b880cEric Anholt src_reg.swizzle = SWIZZLE_NOOP; 155484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 15550161515c395c44233529c8d51f823b60050bc7baEric Anholt this->result = src_reg; 155684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 155784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 15582c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholtvoid 15592c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholtir_to_mesa_visitor::visit(ir_dereference_record *ir) 15602c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt{ 15612c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt unsigned int i; 15620161515c395c44233529c8d51f823b60050bc7baEric Anholt const glsl_type *struct_type = ir->record->type; 15632c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt int offset = 0; 15642c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt 15650161515c395c44233529c8d51f823b60050bc7baEric Anholt ir->record->accept(this); 15662c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt 15672c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt for (i = 0; i < struct_type->length; i++) { 15680161515c395c44233529c8d51f823b60050bc7baEric Anholt if (strcmp(struct_type->fields.structure[i].name, ir->field) == 0) 15692c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt break; 15702c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt offset += type_size(struct_type->fields.structure[i].type); 15712c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt } 15722d577ee730c30caacf711babde6542766aa0b655Ian Romanick 15732d577ee730c30caacf711babde6542766aa0b655Ian Romanick /* If the type is smaller than a vec4, replicate the last channel out. */ 15742d577ee730c30caacf711babde6542766aa0b655Ian Romanick if (ir->type->is_scalar() || ir->type->is_vector()) 15752d577ee730c30caacf711babde6542766aa0b655Ian Romanick this->result.swizzle = swizzle_for_size(ir->type->vector_elements); 15762d577ee730c30caacf711babde6542766aa0b655Ian Romanick else 15772d577ee730c30caacf711babde6542766aa0b655Ian Romanick this->result.swizzle = SWIZZLE_NOOP; 15782d577ee730c30caacf711babde6542766aa0b655Ian Romanick 15790161515c395c44233529c8d51f823b60050bc7baEric Anholt this->result.index += offset; 15802c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt} 15812c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt 15822c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt/** 15832c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt * We want to be careful in assignment setup to hit the actual storage 15842c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt * instead of potentially using a temporary like we might with the 15852c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt * ir_dereference handler. 15862c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt */ 15870161515c395c44233529c8d51f823b60050bc7baEric Anholtstatic struct ir_to_mesa_dst_reg 1588fc63e37b971b641dfdff000ba353c4810414c20eIan Romanickget_assignment_lhs(ir_dereference *ir, ir_to_mesa_visitor *v) 1589b07cc372c6360d0e59c84bb7586597f028c74b02Eric Anholt{ 15905a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /* The LHS must be a dereference. If the LHS is a variable indexed array 15915a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * access of a vector, it must be separated into a series conditional moves 15925a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * before reaching this point (see ir_vec_index_to_cond_assign). 15935a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 15945a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick assert(ir->as_dereference()); 1595ea2a03f0a5b8b58ea88ecb607664ea50c9d6e96eEric Anholt ir_dereference_array *deref_array = ir->as_dereference_array(); 1596ea2a03f0a5b8b58ea88ecb607664ea50c9d6e96eEric Anholt if (deref_array) { 1597ea2a03f0a5b8b58ea88ecb607664ea50c9d6e96eEric Anholt assert(!deref_array->array->type->is_vector()); 1598ea2a03f0a5b8b58ea88ecb607664ea50c9d6e96eEric Anholt } 1599ea2a03f0a5b8b58ea88ecb607664ea50c9d6e96eEric Anholt 16000161515c395c44233529c8d51f823b60050bc7baEric Anholt /* Use the rvalue deref handler for the most part. We'll ignore 16010161515c395c44233529c8d51f823b60050bc7baEric Anholt * swizzles in it and write swizzles using writemask, though. 16020161515c395c44233529c8d51f823b60050bc7baEric Anholt */ 16032c432637d0960aa522ccd09416ba1d8a65c6988bEric Anholt ir->accept(v); 16045a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick return ir_to_mesa_dst_reg_from_src(v->result); 1605cab95c228b12f0fc568164d57475c561c8d6053eEric Anholt} 1606cab95c228b12f0fc568164d57475c561c8d6053eEric Anholt 1607c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick/** 1608c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * Process the condition of a conditional assignment 1609c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * 1610c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * Examines the condition of a conditional assignment to generate the optimal 1611c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * first operand of a \c CMP instruction. If the condition is a relational 1612c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * operator with 0 (e.g., \c ir_binop_less), the value being compared will be 1613c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * used as the source for the \c CMP instruction. Otherwise the comparison 1614c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * is processed to a boolean result, and the boolean result is used as the 1615c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * operand to the CMP instruction. 1616c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick */ 1617c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanickbool 1618c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanickir_to_mesa_visitor::process_move_condition(ir_rvalue *ir) 1619c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick{ 1620c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick ir_rvalue *src_ir = ir; 1621c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick bool negate = true; 1622c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick bool switch_order = false; 1623c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1624c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick ir_expression *const expr = ir->as_expression(); 1625c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick if ((expr != NULL) && (expr->get_num_operands() == 2)) { 1626c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick bool zero_on_left = false; 1627c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1628c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick if (expr->operands[0]->is_zero()) { 1629c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick src_ir = expr->operands[1]; 1630c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick zero_on_left = true; 1631c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } else if (expr->operands[1]->is_zero()) { 1632c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick src_ir = expr->operands[0]; 1633c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick zero_on_left = false; 1634c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } 1635c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1636c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick /* a is - 0 + - 0 + 1637c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (a < 0) T F F ( a < 0) T F F 1638c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (0 < a) F F T (-a < 0) F F T 1639c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (a <= 0) T T F (-a < 0) F F T (swap order of other operands) 1640c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (0 <= a) F T T ( a < 0) T F F (swap order of other operands) 1641c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (a > 0) F F T (-a < 0) F F T 1642c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (0 > a) T F F ( a < 0) T F F 1643c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (a >= 0) F T T ( a < 0) T F F (swap order of other operands) 1644c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * (0 >= a) T T F (-a < 0) F F T (swap order of other operands) 1645c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * 1646c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * Note that exchanging the order of 0 and 'a' in the comparison simply 1647c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * means that the value of 'a' should be negated. 1648c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick */ 1649c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick if (src_ir != ir) { 1650c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick switch (expr->operation) { 1651c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick case ir_binop_less: 1652c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick switch_order = false; 1653c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick negate = zero_on_left; 1654c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick break; 1655c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1656c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick case ir_binop_greater: 1657c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick switch_order = false; 1658c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick negate = !zero_on_left; 1659c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick break; 1660c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1661c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick case ir_binop_lequal: 1662c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick switch_order = true; 1663c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick negate = !zero_on_left; 1664c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick break; 1665c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1666c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick case ir_binop_gequal: 1667c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick switch_order = true; 1668c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick negate = zero_on_left; 1669c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick break; 1670c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1671c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick default: 1672c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick /* This isn't the right kind of comparison afterall, so make sure 1673c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * the whole condition is visited. 1674c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick */ 1675c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick src_ir = ir; 1676c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick break; 1677c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } 1678c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } 1679c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } 1680c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1681c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick src_ir->accept(this); 1682c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1683c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick /* We use the OPCODE_CMP (a < 0 ? b : c) for conditional moves, and the 1684c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * condition we produced is 0.0 or 1.0. By flipping the sign, we can 1685c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * choose which value OPCODE_CMP produces without an extra instruction 1686c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick * computing the condition. 1687c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick */ 1688c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick if (negate) 1689c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick this->result.negate = ~this->result.negate; 1690c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 1691c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick return switch_order; 1692c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick} 1693c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 169484771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 169584771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_assignment *ir) 169684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 16970161515c395c44233529c8d51f823b60050bc7baEric Anholt struct ir_to_mesa_dst_reg l; 16980161515c395c44233529c8d51f823b60050bc7baEric Anholt struct ir_to_mesa_src_reg r; 16997d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt int i; 170084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 170184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir->rhs->accept(this); 170284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt r = this->result; 1703cab95c228b12f0fc568164d57475c561c8d6053eEric Anholt 1704fc63e37b971b641dfdff000ba353c4810414c20eIan Romanick l = get_assignment_lhs(ir->lhs, this); 1705cab95c228b12f0fc568164d57475c561c8d6053eEric Anholt 17065a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick /* FINISHME: This should really set to the correct maximal writemask for each 17075a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * FINISHME: component written (in the loops below). This case can only 17085a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * FINISHME: occur for matrices, arrays, and structures. 17095a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 17105a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick if (ir->write_mask == 0) { 17115a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick assert(!ir->lhs->type->is_scalar() && !ir->lhs->type->is_vector()); 17125a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick l.writemask = WRITEMASK_XYZW; 17135a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick } else if (ir->lhs->type->is_scalar()) { 1714b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt /* FINISHME: This hack makes writing to gl_FragDepth, which lives in the 17155a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick * FINISHME: W component of fragment shader output zero, work correctly. 17165a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick */ 17175a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick l.writemask = WRITEMASK_XYZW; 17185a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick } else { 1719b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt int swizzles[4]; 1720b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt int first_enabled_chan = 0; 1721b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt int rhs_chan = 0; 1722b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt 17235a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick assert(ir->lhs->type->is_vector()); 17245a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick l.writemask = ir->write_mask; 1725b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt 1726b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt for (int i = 0; i < 4; i++) { 1727b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt if (l.writemask & (1 << i)) { 1728b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt first_enabled_chan = GET_SWZ(r.swizzle, i); 1729b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt break; 1730b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt } 1731b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt } 1732b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt 1733b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt /* Swizzle a small RHS vector into the channels being written. 1734b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * 1735b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * glsl ir treats write_mask as dictating how many channels are 1736b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * present on the RHS while Mesa IR treats write_mask as just 1737b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt * showing which channels of the vec4 RHS get written. 1738b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt */ 1739b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt for (int i = 0; i < 4; i++) { 1740b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt if (l.writemask & (1 << i)) 1741b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt swizzles[i] = GET_SWZ(r.swizzle, rhs_chan++); 1742b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt else 1743b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt swizzles[i] = first_enabled_chan; 1744b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt } 1745b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt r.swizzle = MAKE_SWIZZLE4(swizzles[0], swizzles[1], 1746b39e6f33b60ef9bbaf81f320aaca6a440d8a6a8fEric Anholt swizzles[2], swizzles[3]); 17475a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick } 17485a7758efbe14dee026245a4f4f4fb3ccf7b2c23bIan Romanick 17490161515c395c44233529c8d51f823b60050bc7baEric Anholt assert(l.file != PROGRAM_UNDEFINED); 17500161515c395c44233529c8d51f823b60050bc7baEric Anholt assert(r.file != PROGRAM_UNDEFINED); 175184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 1752346daeca07d3c19c051799f96fa9f442262bd49fEric Anholt if (ir->condition) { 1753c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick const bool switch_order = this->process_move_condition(ir->condition); 1754c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick ir_to_mesa_src_reg condition = this->result; 17552d1789e667c4180777829f96856daf91326721b9Eric Anholt 17567d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt for (i = 0; i < type_size(ir->lhs->type); i++) { 1757c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick if (switch_order) { 1758c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick ir_to_mesa_emit_op3(ir, OPCODE_CMP, l, 1759c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick condition, ir_to_mesa_src_reg_from_dst(l), r); 1760c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } else { 1761c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick ir_to_mesa_emit_op3(ir, OPCODE_CMP, l, 1762c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick condition, r, ir_to_mesa_src_reg_from_dst(l)); 1763c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick } 1764c05ccc1ebde177646ac09c1bd6d1b4719e745f82Ian Romanick 17657d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt l.index++; 17667d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt r.index++; 17677d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt } 17682d1789e667c4180777829f96856daf91326721b9Eric Anholt } else { 17697d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt for (i = 0; i < type_size(ir->lhs->type); i++) { 17707d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, l, r); 17717d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt l.index++; 17727d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt r.index++; 17737d8091f7cca0314dd66599bdce5bfcf09fe8b578Eric Anholt } 1774346daeca07d3c19c051799f96fa9f442262bd49fEric Anholt } 177584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 177684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 177784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 177884771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 177984771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_constant *ir) 178084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 17810161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_src_reg src_reg; 17820a46497a4ee3325fab47929cb17cfe2525e1fc33Vinson Lee GLfloat stack_vals[4] = { 0 }; 17830bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt GLfloat *values = stack_vals; 17840bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt unsigned int i; 178584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 17865b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt /* Unfortunately, 4 floats is all we can get into 17875b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt * _mesa_add_unnamed_constant. So, make a temp to store an 17885b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt * aggregate constant and move each constant value into it. If we 17895b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt * get lucky, copy propagation will eliminate the extra moves. 17905b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt */ 17915b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 17925b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt if (ir->type->base_type == GLSL_TYPE_STRUCT) { 17935b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt ir_to_mesa_src_reg temp_base = get_temp(ir->type); 17945b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt ir_to_mesa_dst_reg temp = ir_to_mesa_dst_reg_from_src(temp_base); 17955b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 17965b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt foreach_iter(exec_list_iterator, iter, ir->components) { 17975b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt ir_constant *field_value = (ir_constant *)iter.get(); 17985b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt int size = type_size(field_value->type); 17995b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 18005b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt assert(size > 0); 18015b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 18025b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt field_value->accept(this); 18035b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt src_reg = this->result; 18045b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 18055b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt for (i = 0; i < (unsigned int)size; i++) { 18065b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, temp, src_reg); 18075b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 18085b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt src_reg.index++; 18095b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt temp.index++; 18105b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt } 18115b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt } 18125b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt this->result = temp_base; 18135b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt return; 18145b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt } 18155b6890a388d554f06880e88d61c73dcd62c5f141Eric Anholt 181620c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt if (ir->type->is_array()) { 181720c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt ir_to_mesa_src_reg temp_base = get_temp(ir->type); 181820c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt ir_to_mesa_dst_reg temp = ir_to_mesa_dst_reg_from_src(temp_base); 181920c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt int size = type_size(ir->type->fields.array); 182020c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt 182120c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt assert(size > 0); 182220c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt 182320c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt for (i = 0; i < ir->type->length; i++) { 182420c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt ir->array_elements[i]->accept(this); 182520c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt src_reg = this->result; 182620c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt for (int j = 0; j < size; j++) { 182720c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, temp, src_reg); 182820c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt 182920c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt src_reg.index++; 183020c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt temp.index++; 183120c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt } 183220c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt } 183320c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt this->result = temp_base; 183420c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt return; 183520c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt } 183620c074ae28b310348a6a1920ad0ddf1e5cbb7a46Eric Anholt 1837ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt if (ir->type->is_matrix()) { 1838c91809e1e4a4fa8884e6588159368ea32431ee0eEric Anholt ir_to_mesa_src_reg mat = get_temp(ir->type); 1839ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt ir_to_mesa_dst_reg mat_column = ir_to_mesa_dst_reg_from_src(mat); 1840ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt 1841ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt for (i = 0; i < ir->type->matrix_columns; i++) { 1842ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt assert(ir->type->base_type == GLSL_TYPE_FLOAT); 1843ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt values = &ir->value.f[i * ir->type->vector_elements]; 1844ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt 18459c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt src_reg = ir_to_mesa_src_reg(PROGRAM_CONSTANT, -1, NULL); 1846ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt src_reg.index = _mesa_add_unnamed_constant(this->prog->Parameters, 18479c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt values, 18489c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt ir->type->vector_elements, 18499c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt &src_reg.swizzle); 1850ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, mat_column, src_reg); 1851ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt 1852ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt mat_column.index++; 1853ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt } 1854ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt 1855ffd24b0a6844871eed0c78608431e2f82d5615e1Eric Anholt this->result = mat; 1856ebef04011736ea8e13692fed87623d425c4d1b08Eric Anholt return; 1857582b73fe691ef7ea12a002cb2ae57505c3b1c21eEric Anholt } 18580bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt 18590bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt src_reg.file = PROGRAM_CONSTANT; 18600bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt switch (ir->type->base_type) { 18610bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt case GLSL_TYPE_FLOAT: 18620bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt values = &ir->value.f[0]; 18630bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt break; 18640bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt case GLSL_TYPE_UINT: 18650bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt for (i = 0; i < ir->type->vector_elements; i++) { 18660bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt values[i] = ir->value.u[i]; 18670bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt } 18680bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt break; 18690bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt case GLSL_TYPE_INT: 18700bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt for (i = 0; i < ir->type->vector_elements; i++) { 18710bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt values[i] = ir->value.i[i]; 18720bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt } 18730bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt break; 18740bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt case GLSL_TYPE_BOOL: 18750bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt for (i = 0; i < ir->type->vector_elements; i++) { 18760bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt values[i] = ir->value.b[i]; 18770bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt } 18780bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt break; 18790bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt default: 18800bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt assert(!"Non-float/uint/int/bool constant"); 18810bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt } 18820bef5b97a9eccebc4b59dff42b2863770da770feEric Anholt 18839c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->result = ir_to_mesa_src_reg(PROGRAM_CONSTANT, -1, ir->type); 18849c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt this->result.index = _mesa_add_unnamed_constant(this->prog->Parameters, 18859c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt values, 18869c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt ir->type->vector_elements, 18879c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt &this->result.swizzle); 188884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 188984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 18907b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholtfunction_entry * 18917b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholtir_to_mesa_visitor::get_function_signature(ir_function_signature *sig) 18927b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt{ 18937b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt function_entry *entry; 18947b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 18957b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt foreach_iter(exec_list_iterator, iter, this->function_signatures) { 18967b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry = (function_entry *)iter.get(); 18977b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 18987b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt if (entry->sig == sig) 18997b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt return entry; 19007b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 19017b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19027b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry = talloc(mem_ctx, function_entry); 19037b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->sig = sig; 19047b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->sig_id = this->next_signature_id++; 19057b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->bgn_inst = NULL; 19067b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19077b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Allocate storage for all the parameters. */ 19087b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt foreach_iter(exec_list_iterator, iter, sig->parameters) { 19097b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_variable *param = (ir_variable *)iter.get(); 1910b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt variable_storage *storage; 19117b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19127b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt storage = find_variable_storage(param); 19137b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt assert(!storage); 19147b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1915b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt storage = new(mem_ctx) variable_storage(param, PROGRAM_TEMPORARY, 1916b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt this->next_temp); 1917b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt this->variables.push_tail(storage); 19187b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19197b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt this->next_temp += type_size(param->type); 19207b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 19217b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 1922576d01ad8c8b8aa57b4711c98d8e004d4f20fc0bEric Anholt if (!sig->return_type->is_void()) { 19237b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->return_reg = get_temp(sig->return_type); 19247b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } else { 19257b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->return_reg = ir_to_mesa_undef; 19267b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 19277b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19287b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt this->function_signatures.push_tail(entry); 19297b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt return entry; 19307b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt} 193184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 193284771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 193384771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_call *ir) 193484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 19357b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_instruction *call_inst; 19367b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_function_signature *sig = ir->get_callee(); 19377b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt function_entry *entry = get_function_signature(sig); 19387b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt int i; 19397b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19407b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Process in parameters. */ 19417b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt exec_list_iterator sig_iter = sig->parameters.iterator(); 19427b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt foreach_iter(exec_list_iterator, iter, *ir) { 19437b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_rvalue *param_rval = (ir_rvalue *)iter.get(); 19447b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_variable *param = (ir_variable *)sig_iter.get(); 19457b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19467b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt if (param->mode == ir_var_in || 19477b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt param->mode == ir_var_inout) { 1948b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt variable_storage *storage = find_variable_storage(param); 19497b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt assert(storage); 19507b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19517b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt param_rval->accept(this); 19527b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_src_reg r = this->result; 19537b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19547b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_dst_reg l; 19557b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.file = storage->file; 19567b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.index = storage->index; 19577b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.reladdr = NULL; 19587b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.writemask = WRITEMASK_XYZW; 19597b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.cond_mask = COND_TR; 19607b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19617b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt for (i = 0; i < type_size(param->type); i++) { 19627b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, l, r); 19637b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.index++; 19647b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.index++; 19657b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 19667b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 19677b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19687b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt sig_iter.next(); 19697b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 19707b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt assert(!sig_iter.has_next()); 19717b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19727b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Emit call instruction */ 19737b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt call_inst = ir_to_mesa_emit_op1(ir, OPCODE_CAL, 19747b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_undef_dst, ir_to_mesa_undef); 19757b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt call_inst->function = entry; 19767b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19777b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Process out parameters. */ 19787b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt sig_iter = sig->parameters.iterator(); 19797b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt foreach_iter(exec_list_iterator, iter, *ir) { 19807b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_rvalue *param_rval = (ir_rvalue *)iter.get(); 19817b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_variable *param = (ir_variable *)sig_iter.get(); 19827b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19837b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt if (param->mode == ir_var_out || 19847b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt param->mode == ir_var_inout) { 1985b29d31cd67a423995b5673fdeedea82dfa12ec3cEric Anholt variable_storage *storage = find_variable_storage(param); 19867b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt assert(storage); 19877b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19887b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_src_reg r; 19897b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.file = storage->file; 19907b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.index = storage->index; 19917b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.reladdr = NULL; 19927b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.swizzle = SWIZZLE_NOOP; 19937b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.negate = 0; 19947b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19957b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt param_rval->accept(this); 19967b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_dst_reg l = ir_to_mesa_dst_reg_from_src(this->result); 19977b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 19987b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt for (i = 0; i < type_size(param->type); i++) { 19997b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, l, r); 20007b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.index++; 20017b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.index++; 20027b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 20037b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 20047b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 20057b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt sig_iter.next(); 20067b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 20077b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt assert(!sig_iter.has_next()); 20087b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 20097b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Process return value. */ 20107b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt this->result = entry->return_reg; 201184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 201284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 201384771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 201484771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_texture *ir) 201584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 20169c02412cdc0270f2b0dc64afe709721e049fd5b0Eric Anholt ir_to_mesa_src_reg result_src, coord, lod_info, projector; 2017d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_dst_reg result_dst, coord_dst; 2018d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt ir_to_mesa_instruction *inst = NULL; 2019d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt prog_opcode opcode = OPCODE_NOP; 202084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 202184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir->coordinate->accept(this); 2022d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2023d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt /* Put our coords in a temp. We'll need to modify them for shadow, 2024d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt * projection, or LOD, so the only case we'd use it as is is if 2025d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt * we're doing plain old texturing. Mesa IR optimization should 2026d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt * handle cleaning up our mess in that case. 2027d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt */ 2028d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord = get_temp(glsl_type::vec4_type); 2029d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst = ir_to_mesa_dst_reg_from_src(coord); 2030d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, coord_dst, 2031d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt this->result); 2032d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2033de75dfac4ea2cad64dc91f6ac16fe205b5015af6Eric Anholt if (ir->projector) { 2034de75dfac4ea2cad64dc91f6ac16fe205b5015af6Eric Anholt ir->projector->accept(this); 2035de75dfac4ea2cad64dc91f6ac16fe205b5015af6Eric Anholt projector = this->result; 2036de75dfac4ea2cad64dc91f6ac16fe205b5015af6Eric Anholt } 2037de75dfac4ea2cad64dc91f6ac16fe205b5015af6Eric Anholt 2038d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt /* Storage for our result. Ideally for an assignment we'd be using 2039d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt * the actual storage for the result here, instead. 2040d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt */ 2041d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt result_src = get_temp(glsl_type::vec4_type); 2042d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt result_dst = ir_to_mesa_dst_reg_from_src(result_src); 2043d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2044d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt switch (ir->op) { 2045d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case ir_tex: 2046d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt opcode = OPCODE_TEX; 2047d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2048d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case ir_txb: 2049d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt opcode = OPCODE_TXB; 2050d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt ir->lod_info.bias->accept(this); 2051d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt lod_info = this->result; 2052d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2053d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case ir_txl: 2054d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt opcode = OPCODE_TXL; 2055d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt ir->lod_info.lod->accept(this); 2056d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt lod_info = this->result; 2057d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2058d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case ir_txd: 2059d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case ir_txf: 2060d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt assert(!"GLSL 1.30 features unsupported"); 2061d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2062d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 2063d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2064d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt if (ir->projector) { 2065d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt if (opcode == OPCODE_TEX) { 2066d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt /* Slot the projector in as the last component of the coord. */ 2067d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_W; 2068d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, coord_dst, projector); 2069d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_XYZW; 2070d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt opcode = OPCODE_TXP; 2071d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt } else { 2072d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_src_reg coord_w = coord; 2073d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_w.swizzle = SWIZZLE_WWWW; 2074d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2075d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt /* For the other TEX opcodes there's no projective version 2076d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt * since the last slot is taken up by lod info. Do the 2077d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt * projective divide now. 2078d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt */ 2079d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_W; 2080d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_RCP, coord_dst, projector); 2081d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2082d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_XYZ; 2083d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_emit_op2(ir, OPCODE_MUL, coord_dst, coord, coord_w); 2084d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2085d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_XYZW; 2086d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord.swizzle = SWIZZLE_XYZW; 2087d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt } 2088d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt } 2089d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2090b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt if (ir->shadow_comparitor) { 2091b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt /* Slot the shadow value in as the second to last component of the 2092b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt * coord. 2093b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt */ 2094b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt ir->shadow_comparitor->accept(this); 2095b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt coord_dst.writemask = WRITEMASK_Z; 2096b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, coord_dst, this->result); 2097b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt coord_dst.writemask = WRITEMASK_XYZW; 2098b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt } 2099b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt 2100d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt if (opcode == OPCODE_TXL || opcode == OPCODE_TXB) { 2101d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt /* Mesa IR stores lod or lod bias in the last channel of the coords. */ 2102d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_W; 2103d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, coord_dst, lod_info); 2104d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt coord_dst.writemask = WRITEMASK_XYZW; 2105d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt } 2106d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2107d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt inst = ir_to_mesa_emit_op1(ir, opcode, result_dst, coord); 2108d3983ca03248092d92b5240fbc6a30c24f80d313Eric Anholt 2109b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt if (ir->shadow_comparitor) 2110b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt inst->tex_shadow = GL_TRUE; 2111b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt 2112a32893221ce253da7bb465e0ec9d0df5f7208d8fEric Anholt inst->sampler = _mesa_get_sampler_uniform_value(ir->sampler, 2113a32893221ce253da7bb465e0ec9d0df5f7208d8fEric Anholt this->shader_program, 2114a32893221ce253da7bb465e0ec9d0df5f7208d8fEric Anholt this->prog); 2115c234d0b25f622a7bdd3c40bc72fdbd59d8494c7cEric Anholt 2116aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt const glsl_type *sampler_type = ir->sampler->type; 2117d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2118c234d0b25f622a7bdd3c40bc72fdbd59d8494c7cEric Anholt switch (sampler_type->sampler_dimensionality) { 2119d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case GLSL_SAMPLER_DIM_1D: 2120c234d0b25f622a7bdd3c40bc72fdbd59d8494c7cEric Anholt inst->tex_target = (sampler_type->sampler_array) 21210a86d766ef0d98abd3373609a637bf137203e994Ian Romanick ? TEXTURE_1D_ARRAY_INDEX : TEXTURE_1D_INDEX; 2122d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2123d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case GLSL_SAMPLER_DIM_2D: 2124c234d0b25f622a7bdd3c40bc72fdbd59d8494c7cEric Anholt inst->tex_target = (sampler_type->sampler_array) 21250a86d766ef0d98abd3373609a637bf137203e994Ian Romanick ? TEXTURE_2D_ARRAY_INDEX : TEXTURE_2D_INDEX; 2126d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2127d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case GLSL_SAMPLER_DIM_3D: 2128d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt inst->tex_target = TEXTURE_3D_INDEX; 2129d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 2130d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt case GLSL_SAMPLER_DIM_CUBE: 2131d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt inst->tex_target = TEXTURE_CUBE_INDEX; 2132d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt break; 21330bf63733e54b47daf9f50c32a1fca4039c82def2Ian Romanick case GLSL_SAMPLER_DIM_RECT: 21340bf63733e54b47daf9f50c32a1fca4039c82def2Ian Romanick inst->tex_target = TEXTURE_RECT_INDEX; 21350bf63733e54b47daf9f50c32a1fca4039c82def2Ian Romanick break; 213668772031e6242aa78864dc9c7c1a607aec5ee7b9Ian Romanick case GLSL_SAMPLER_DIM_BUF: 213768772031e6242aa78864dc9c7c1a607aec5ee7b9Ian Romanick assert(!"FINISHME: Implement ARB_texture_buffer_object"); 213868772031e6242aa78864dc9c7c1a607aec5ee7b9Ian Romanick break; 2139d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt default: 214068772031e6242aa78864dc9c7c1a607aec5ee7b9Ian Romanick assert(!"Should not get here."); 2141d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 2142d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2143d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt this->result = result_src; 214484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 214584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 214684771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 214784771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_return *ir) 214884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 21497b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt if (ir->get_value()) { 21507b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_dst_reg l; 21517b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt int i; 21527b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 215335220fc5981045331b4f048f0fc2e1371a0673edEric Anholt assert(current_function); 215435220fc5981045331b4f048f0fc2e1371a0673edEric Anholt 21557b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir->get_value()->accept(this); 21567b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_src_reg r = this->result; 215784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 21587b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l = ir_to_mesa_dst_reg_from_src(current_function->return_reg); 21597b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 21607b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt for (i = 0; i < type_size(current_function->sig->return_type); i++) { 21617b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_emit_op1(ir, OPCODE_MOV, l, r); 21627b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt l.index++; 21637b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt r.index++; 21647b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 21657b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 21667b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 21677b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt ir_to_mesa_emit_op0(ir, OPCODE_RET); 216884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 216984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 217016efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkevoid 217116efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunkeir_to_mesa_visitor::visit(ir_discard *ir) 217216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke{ 21739b075cb9fa9eb6a95d0816283ef01ae72dafa680Eric Anholt struct gl_fragment_program *fp = (struct gl_fragment_program *)this->prog; 21749b075cb9fa9eb6a95d0816283ef01ae72dafa680Eric Anholt 2175ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák if (ir->condition) { 2176ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák ir->condition->accept(this); 2177ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák this->result.negate = ~this->result.negate; 2178ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák ir_to_mesa_emit_op1(ir, OPCODE_KIL, ir_to_mesa_undef_dst, this->result); 2179ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák } else { 2180ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák ir_to_mesa_emit_op0(ir, OPCODE_KIL_NV); 2181ead2ea89f42b40edc56ddf8c6ce1df4efdcefe2aMarek Olšák } 218216efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke 21839b075cb9fa9eb6a95d0816283ef01ae72dafa680Eric Anholt fp->UsesKill = GL_TRUE; 218416efab1c4dee6e6a827ba5f1c482378159545ae5Kenneth Graunke} 218584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 218684771df82ed2ed8718013795089edd38cf5bd84dEric Anholtvoid 218784771df82ed2ed8718013795089edd38cf5bd84dEric Anholtir_to_mesa_visitor::visit(ir_if *ir) 218884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 2189854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt ir_to_mesa_instruction *cond_inst, *if_inst, *else_inst = NULL; 2190cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt ir_to_mesa_instruction *prev_inst; 2191cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt 2192cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt prev_inst = (ir_to_mesa_instruction *)this->instructions.get_tail(); 2193c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2194c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt ir->condition->accept(this); 21950161515c395c44233529c8d51f823b60050bc7baEric Anholt assert(this->result.file != PROGRAM_UNDEFINED); 2196c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 21976d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri if (this->options->EmitCondCodes) { 2198854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt cond_inst = (ir_to_mesa_instruction *)this->instructions.get_tail(); 2199cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt 2200cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt /* See if we actually generated any instruction for generating 2201cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt * the condition. If not, then cook up a move to a temp so we 2202cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt * have something to set cond_update on. 2203cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt */ 2204cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt if (cond_inst == prev_inst) { 2205cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt ir_to_mesa_src_reg temp = get_temp(glsl_type::bool_type); 2206cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt cond_inst = ir_to_mesa_emit_op1(ir->condition, OPCODE_MOV, 2207cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt ir_to_mesa_dst_reg_from_src(temp), 2208cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt result); 2209cbe52c8012659abe5d81cf1180659820e704d290Eric Anholt } 2210854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt cond_inst->cond_update = GL_TRUE; 2211854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt 2212021222c6a872ca2eef770ebadb8754f659775204Eric Anholt if_inst = ir_to_mesa_emit_op0(ir->condition, OPCODE_IF); 2213854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt if_inst->dst_reg.cond_mask = COND_NE; 2214854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt } else { 2215854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt if_inst = ir_to_mesa_emit_op1(ir->condition, 2216854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt OPCODE_IF, ir_to_mesa_undef_dst, 2217854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt this->result); 2218854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt } 2219c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2220c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt this->instructions.push_tail(if_inst); 2221c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2222c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt visit_exec_list(&ir->then_instructions, this); 2223c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2224c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt if (!ir->else_instructions.is_empty()) { 2225021222c6a872ca2eef770ebadb8754f659775204Eric Anholt else_inst = ir_to_mesa_emit_op0(ir->condition, OPCODE_ELSE); 22260a52e8b691cecfeec27717c3289763226d5f1bdaEric Anholt visit_exec_list(&ir->else_instructions, this); 2227c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt } 2228c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 22290161515c395c44233529c8d51f823b60050bc7baEric Anholt if_inst = ir_to_mesa_emit_op1(ir->condition, OPCODE_ENDIF, 22300161515c395c44233529c8d51f823b60050bc7baEric Anholt ir_to_mesa_undef_dst, ir_to_mesa_undef); 223184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 223284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 2233ae252d3613d10a051657c4ca6db27409f7cf40aeEric Anholtir_to_mesa_visitor::ir_to_mesa_visitor() 2234ae252d3613d10a051657c4ca6db27409f7cf40aeEric Anholt{ 22350161515c395c44233529c8d51f823b60050bc7baEric Anholt result.file = PROGRAM_UNDEFINED; 2236ae252d3613d10a051657c4ca6db27409f7cf40aeEric Anholt next_temp = 1; 22377b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt next_signature_id = 1; 22387b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt current_function = NULL; 2239abc6d7e0b4b04c75129d24c3cb6f021b92cd46f6Eric Anholt mem_ctx = talloc_new(NULL); 2240ae252d3613d10a051657c4ca6db27409f7cf40aeEric Anholt} 2241ae252d3613d10a051657c4ca6db27409f7cf40aeEric Anholt 2242fe1918c71c3e387939cef9359d4b31ebc5c11a17Eric Anholtir_to_mesa_visitor::~ir_to_mesa_visitor() 2243fe1918c71c3e387939cef9359d4b31ebc5c11a17Eric Anholt{ 2244abc6d7e0b4b04c75129d24c3cb6f021b92cd46f6Eric Anholt talloc_free(mem_ctx); 2245fe1918c71c3e387939cef9359d4b31ebc5c11a17Eric Anholt} 2246fe1918c71c3e387939cef9359d4b31ebc5c11a17Eric Anholt 224784771df82ed2ed8718013795089edd38cf5bd84dEric Anholtstatic struct prog_src_register 224884771df82ed2ed8718013795089edd38cf5bd84dEric Anholtmesa_src_reg_from_ir_src_reg(ir_to_mesa_src_reg reg) 224984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 225084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt struct prog_src_register mesa_reg; 225184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 225284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_reg.File = reg.file; 225350fd99d1723a6c7f3bd2dedffeeadf7d5e33b83bBrian Paul assert(reg.index < (1 << INST_INDEX_BITS)); 225484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_reg.Index = reg.index; 225534195832669f0eb7c4a80997cc524f8d10319307Eric Anholt mesa_reg.Swizzle = reg.swizzle; 2256f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt mesa_reg.RelAddr = reg.reladdr != NULL; 2257ea6b34cce4471d6239201101a3b24db17eaae870Eric Anholt mesa_reg.Negate = reg.negate; 2258285ff93819724b9a858984dc8c30858784a5ee5bEric Anholt mesa_reg.Abs = 0; 2259b10bb527eaf39378da25dd4ad21b1c68ceaa1e2dEric Anholt mesa_reg.HasIndex2 = GL_FALSE; 2260405546882a010885d342b0b40392de0da289374eVinson Lee mesa_reg.RelAddr2 = 0; 2261405546882a010885d342b0b40392de0da289374eVinson Lee mesa_reg.Index2 = 0; 226284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 226384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt return mesa_reg; 226484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt} 226584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 2266c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholtstatic void 22677b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholtset_branchtargets(ir_to_mesa_visitor *v, 22687b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt struct prog_instruction *mesa_instructions, 2269c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt int num_instructions) 2270c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt{ 2271e2a358348b143a163c065d82c7375e6a94e98f2aKenneth Graunke int if_count = 0, loop_count = 0; 227264fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt int *if_stack, *loop_stack; 227364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt int if_stack_pos = 0, loop_stack_pos = 0; 227464fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt int i, j; 2275c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2276c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt for (i = 0; i < num_instructions; i++) { 227764fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt switch (mesa_instructions[i].Opcode) { 227864fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case OPCODE_IF: 2279c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt if_count++; 228064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 228164fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case OPCODE_BGNLOOP: 228264fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt loop_count++; 228364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 228464fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case OPCODE_BRK: 228564fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case OPCODE_CONT: 228664fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[i].BranchTarget = -1; 228764fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 228864fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt default: 228964fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 229064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt } 2291c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt } 2292c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 22933ef83d270b2c24867a0d020b81bdc6c54cb1c9b0Eric Anholt if_stack = talloc_zero_array(v->mem_ctx, int, if_count); 22943ef83d270b2c24867a0d020b81bdc6c54cb1c9b0Eric Anholt loop_stack = talloc_zero_array(v->mem_ctx, int, loop_count); 2295c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2296c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt for (i = 0; i < num_instructions; i++) { 2297c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt switch (mesa_instructions[i].Opcode) { 2298c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt case OPCODE_IF: 229964fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt if_stack[if_stack_pos] = i; 2300c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt if_stack_pos++; 2301c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt break; 2302c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt case OPCODE_ELSE: 230364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[if_stack[if_stack_pos - 1]].BranchTarget = i; 230464fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt if_stack[if_stack_pos - 1] = i; 2305c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt break; 2306c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt case OPCODE_ENDIF: 230764fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[if_stack[if_stack_pos - 1]].BranchTarget = i; 2308c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt if_stack_pos--; 2309c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt break; 231064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case OPCODE_BGNLOOP: 231164fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt loop_stack[loop_stack_pos] = i; 231264fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt loop_stack_pos++; 231364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt break; 231464fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt case OPCODE_ENDLOOP: 231564fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt loop_stack_pos--; 231664fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt /* Rewrite any breaks/conts at this nesting level (haven't 231764fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt * already had a BranchTarget assigned) to point to the end 231864fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt * of the loop. 231964fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt */ 232064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt for (j = loop_stack[loop_stack_pos]; j < i; j++) { 232164fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt if (mesa_instructions[j].Opcode == OPCODE_BRK || 232264fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[j].Opcode == OPCODE_CONT) { 232364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt if (mesa_instructions[j].BranchTarget == -1) { 232464fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[j].BranchTarget = i; 232564fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt } 232664fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt } 232764fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt } 232864fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt /* The loop ends point at each other. */ 232964fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[i].BranchTarget = loop_stack[loop_stack_pos]; 233064fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt mesa_instructions[loop_stack[loop_stack_pos]].BranchTarget = i; 23317b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt break; 23327b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt case OPCODE_CAL: 23337b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt foreach_iter(exec_list_iterator, iter, v->function_signatures) { 23347b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt function_entry *entry = (function_entry *)iter.get(); 23357b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 23367b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt if (entry->sig_id == mesa_instructions[i].BranchTarget) { 23377b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt mesa_instructions[i].BranchTarget = entry->inst; 23387b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt break; 23397b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 23407b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 23417b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt break; 2342c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt default: 2343c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt break; 2344c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt } 2345c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt } 2346c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt} 2347c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2348c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholtstatic void 2349c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholtprint_program(struct prog_instruction *mesa_instructions, 2350c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt ir_instruction **mesa_instruction_annotation, 2351c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt int num_instructions) 2352c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt{ 2353c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt ir_instruction *last_ir = NULL; 2354c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt int i; 2355748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt int indent = 0; 2356c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2357c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt for (i = 0; i < num_instructions; i++) { 2358c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt struct prog_instruction *mesa_inst = mesa_instructions + i; 2359c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt ir_instruction *ir = mesa_instruction_annotation[i]; 2360c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2361748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt fprintf(stdout, "%3d: ", i); 2362748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt 236364fcbbca9ca8191b5131304af2026d0ed914b765Eric Anholt if (last_ir != ir && ir) { 2364748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt int j; 2365748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt 2366748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt for (j = 0; j < indent; j++) { 2367748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt fprintf(stdout, " "); 2368748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt } 2369748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt ir->print(); 2370c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt printf("\n"); 2371c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt last_ir = ir; 2372748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt 2373748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt fprintf(stdout, " "); /* line number spacing. */ 2374c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt } 2375c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2376748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt indent = _mesa_fprint_instruction_opt(stdout, mesa_inst, indent, 2377748c343f8bdbbc8c5f00403b790ad7130424c35fEric Anholt PROG_PRINT_DEBUG, NULL); 2378c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt } 2379c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt} 2380c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2381ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholtstatic void 2382ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholtcount_resources(struct gl_program *prog) 2383ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt{ 2384d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt unsigned int i; 2385d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2386d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt prog->SamplersUsed = 0; 2387ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt 2388ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt for (i = 0; i < prog->NumInstructions; i++) { 2389ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt struct prog_instruction *inst = &prog->Instructions[i]; 2390d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2391d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt if (_mesa_is_tex_instruction(inst->Opcode)) { 2392d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt prog->SamplerTargets[inst->TexSrcUnit] = 2393d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt (gl_texture_index)inst->TexSrcTarget; 2394d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt prog->SamplersUsed |= 1 << inst->TexSrcUnit; 2395d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt if (inst->TexShadow) { 2396d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt prog->ShadowSamplers |= 1 << inst->TexSrcUnit; 2397d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 2398d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt } 2399ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt } 2400d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt 2401d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt _mesa_update_shader_textures_used(prog); 2402ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt} 2403ffc845a50a69b48446f5e25e7b4485089231bbe7Eric Anholt 240499f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholtstruct uniform_sort { 240599f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt struct gl_uniform *u; 240699f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt int pos; 240799f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt}; 240899f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 240999f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt/* The shader_program->Uniforms list is almost sorted in increasing 241099f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt * uniform->{Frag,Vert}Pos locations, but not quite when there are 241199f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt * uniforms shared between targets. We need to add parameters in 241299f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt * increasing order for the targets. 241399f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt */ 241499f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholtstatic int 241599f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholtsort_uniforms(const void *a, const void *b) 241699f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt{ 241799f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt struct uniform_sort *u1 = (struct uniform_sort *)a; 241899f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt struct uniform_sort *u2 = (struct uniform_sort *)b; 241999f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 242099f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt return u1->pos - u2->pos; 242199f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt} 242299f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 24230924ba0c3496160a134d37cec800f902ae805b9cEric Anholt/* Add the uniforms to the parameters. The linker chose locations 24240924ba0c3496160a134d37cec800f902ae805b9cEric Anholt * in our parameters lists (which weren't created yet), which the 24250924ba0c3496160a134d37cec800f902ae805b9cEric Anholt * uniforms code will use to poke values into our parameters list 24260924ba0c3496160a134d37cec800f902ae805b9cEric Anholt * when uniforms are updated. 242785c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt */ 242885c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholtstatic void 24290924ba0c3496160a134d37cec800f902ae805b9cEric Anholtadd_uniforms_to_parameters_list(struct gl_shader_program *shader_program, 24300924ba0c3496160a134d37cec800f902ae805b9cEric Anholt struct gl_shader *shader, 24310924ba0c3496160a134d37cec800f902ae805b9cEric Anholt struct gl_program *prog) 243285c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt{ 243385c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt unsigned int i; 243499f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt unsigned int next_sampler = 0, num_uniforms = 0; 243599f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt struct uniform_sort *sorted_uniforms; 243699f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 243799f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt sorted_uniforms = talloc_array(NULL, struct uniform_sort, 243899f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt shader_program->Uniforms->NumUniforms); 243985c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt 24400924ba0c3496160a134d37cec800f902ae805b9cEric Anholt for (i = 0; i < shader_program->Uniforms->NumUniforms; i++) { 24410924ba0c3496160a134d37cec800f902ae805b9cEric Anholt struct gl_uniform *uniform = shader_program->Uniforms->Uniforms + i; 24420924ba0c3496160a134d37cec800f902ae805b9cEric Anholt int parameter_index = -1; 24430924ba0c3496160a134d37cec800f902ae805b9cEric Anholt 24440924ba0c3496160a134d37cec800f902ae805b9cEric Anholt switch (shader->Type) { 24450924ba0c3496160a134d37cec800f902ae805b9cEric Anholt case GL_VERTEX_SHADER: 24460924ba0c3496160a134d37cec800f902ae805b9cEric Anholt parameter_index = uniform->VertPos; 24470924ba0c3496160a134d37cec800f902ae805b9cEric Anholt break; 24480924ba0c3496160a134d37cec800f902ae805b9cEric Anholt case GL_FRAGMENT_SHADER: 24490924ba0c3496160a134d37cec800f902ae805b9cEric Anholt parameter_index = uniform->FragPos; 24500924ba0c3496160a134d37cec800f902ae805b9cEric Anholt break; 24510924ba0c3496160a134d37cec800f902ae805b9cEric Anholt case GL_GEOMETRY_SHADER: 24520924ba0c3496160a134d37cec800f902ae805b9cEric Anholt parameter_index = uniform->GeomPos; 24530924ba0c3496160a134d37cec800f902ae805b9cEric Anholt break; 24540924ba0c3496160a134d37cec800f902ae805b9cEric Anholt } 24550924ba0c3496160a134d37cec800f902ae805b9cEric Anholt 24560924ba0c3496160a134d37cec800f902ae805b9cEric Anholt /* Only add uniforms used in our target. */ 245799f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt if (parameter_index != -1) { 245899f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt sorted_uniforms[num_uniforms].pos = parameter_index; 245999f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt sorted_uniforms[num_uniforms].u = uniform; 246099f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt num_uniforms++; 246199f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt } 246299f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt } 246399f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 246499f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt qsort(sorted_uniforms, num_uniforms, sizeof(struct uniform_sort), 246599f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt sort_uniforms); 246699f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 246799f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt for (i = 0; i < num_uniforms; i++) { 246899f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt struct gl_uniform *uniform = sorted_uniforms[i].u; 246999f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt int parameter_index = sorted_uniforms[i].pos; 247099f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt const glsl_type *type = uniform->Type; 247199f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt unsigned int size; 24720924ba0c3496160a134d37cec800f902ae805b9cEric Anholt 24730924ba0c3496160a134d37cec800f902ae805b9cEric Anholt if (type->is_vector() || 24740924ba0c3496160a134d37cec800f902ae805b9cEric Anholt type->is_scalar()) { 24750924ba0c3496160a134d37cec800f902ae805b9cEric Anholt size = type->vector_elements; 24760924ba0c3496160a134d37cec800f902ae805b9cEric Anholt } else { 24770924ba0c3496160a134d37cec800f902ae805b9cEric Anholt size = type_size(type) * 4; 24780924ba0c3496160a134d37cec800f902ae805b9cEric Anholt } 24790924ba0c3496160a134d37cec800f902ae805b9cEric Anholt 2480aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt gl_register_file file; 24810924ba0c3496160a134d37cec800f902ae805b9cEric Anholt if (type->is_sampler() || 24820924ba0c3496160a134d37cec800f902ae805b9cEric Anholt (type->is_array() && type->fields.array->is_sampler())) { 2483aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt file = PROGRAM_SAMPLER; 2484aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt } else { 2485aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt file = PROGRAM_UNIFORM; 2486aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt } 248785c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt 2488aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt GLint index = _mesa_lookup_parameter_index(prog->Parameters, -1, 2489aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt uniform->Name); 24900924ba0c3496160a134d37cec800f902ae805b9cEric Anholt 2491aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt if (index < 0) { 2492aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt index = _mesa_add_parameter(prog->Parameters, file, 2493aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt uniform->Name, size, type->gl_type, 2494aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt NULL, NULL, 0x0); 2495aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt 2496aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt /* Sampler uniform values are stored in prog->SamplerUnits, 2497aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt * and the entry in that array is selected by this index we 2498aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt * store in ParameterValues[]. 2499aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt */ 2500aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt if (file == PROGRAM_SAMPLER) { 2501aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt for (unsigned int j = 0; j < size / 4; j++) 2502aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt prog->Parameters->ParameterValues[index + j][0] = next_sampler++; 2503aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt } 2504aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt 2505aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt /* The location chosen in the Parameters list here (returned 2506aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt * from _mesa_add_uniform) has to match what the linker chose. 2507aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt */ 2508aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt if (index != parameter_index) { 2509500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt fail_link(shader_program, "Allocation of uniform `%s' to target " 2510500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt "failed (%d vs %d)\n", 2511500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt uniform->Name, index, parameter_index); 25120924ba0c3496160a134d37cec800f902ae805b9cEric Anholt } 251385c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt } 251485c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt } 251599f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt 251699f3c9caa39fbe9dfa7561c919202395720e9472Eric Anholt talloc_free(sorted_uniforms); 251785c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt} 251885c978f38c819003b6447e8e4feb8b90bb352eeaEric Anholt 25192f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholtstatic void 2520f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergset_uniform_initializer(struct gl_context *ctx, void *mem_ctx, 25212f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt struct gl_shader_program *shader_program, 25222f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt const char *name, const glsl_type *type, 25232f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt ir_constant *val) 25242f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt{ 25252f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (type->is_record()) { 25262f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt ir_constant *field_constant; 25272f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25282f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt field_constant = (ir_constant *)val->components.get_head(); 25292f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25302f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt for (unsigned int i = 0; i < type->length; i++) { 25312f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt const glsl_type *field_type = type->fields.structure[i].type; 25322f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt const char *field_name = talloc_asprintf(mem_ctx, "%s.%s", name, 25332f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt type->fields.structure[i].name); 25342f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt set_uniform_initializer(ctx, mem_ctx, shader_program, field_name, 25352f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt field_type, field_constant); 25362f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt field_constant = (ir_constant *)field_constant->next; 25372f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25382f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt return; 25392f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25402f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25412f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt int loc = _mesa_get_uniform_location(ctx, shader_program, name); 25422f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25432f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (loc == -1) { 2544500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt fail_link(shader_program, 2545500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt "Couldn't find uniform for initializer %s\n", name); 2546500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt return; 25472f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25482f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25492f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt for (unsigned int i = 0; i < (type->is_array() ? type->length : 1); i++) { 25502f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt ir_constant *element; 25512f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt const glsl_type *element_type; 25522f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (type->is_array()) { 25532f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element = val->array_elements[i]; 25542f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element_type = type->fields.array; 25552f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } else { 25562f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element = val; 25572f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element_type = type; 25582f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25592f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25602f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt void *values; 25612f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25622f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (element_type->base_type == GLSL_TYPE_BOOL) { 25632f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt int *conv = talloc_array(mem_ctx, int, element_type->components()); 25642f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt for (unsigned int j = 0; j < element_type->components(); j++) { 25652f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt conv[j] = element->value.b[j]; 25662f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25672f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt values = (void *)conv; 25682f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element_type = glsl_type::get_instance(GLSL_TYPE_INT, 25692f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element_type->vector_elements, 25702f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 1); 25712f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } else { 25722f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt values = &element->value; 25732f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25742f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25752f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (element_type->is_matrix()) { 25762f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt _mesa_uniform_matrix(ctx, shader_program, 25772f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element_type->matrix_columns, 25782f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt element_type->vector_elements, 25792f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt loc, 1, GL_FALSE, (GLfloat *)values); 25802f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt loc += element_type->matrix_columns; 25812f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } else { 25822f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt _mesa_uniform(ctx, shader_program, loc, element_type->matrix_columns, 25832f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt values, element_type->gl_type); 25842f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt loc += type_size(element_type); 25852f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25862f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 25872f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt} 25882f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25892f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholtstatic void 2590f9995b30756140724f41daf963fa06167912be7fKristian Høgsbergset_uniform_initializers(struct gl_context *ctx, 25912f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt struct gl_shader_program *shader_program) 25922f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt{ 25932f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt void *mem_ctx = NULL; 25942f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 25953322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick for (unsigned int i = 0; i < MESA_SHADER_TYPES; i++) { 25962f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt struct gl_shader *shader = shader_program->_LinkedShaders[i]; 25973322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick 25983322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick if (shader == NULL) 25993322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick continue; 26003322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick 26012f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt foreach_iter(exec_list_iterator, iter, *shader->ir) { 26022f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt ir_instruction *ir = (ir_instruction *)iter.get(); 26032f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt ir_variable *var = ir->as_variable(); 26042f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 26052f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (!var || var->mode != ir_var_uniform || !var->constant_value) 26062f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt continue; 26072f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 26082f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt if (!mem_ctx) 26092f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt mem_ctx = talloc_new(NULL); 26102f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 26112f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt set_uniform_initializer(ctx, mem_ctx, shader_program, var->name, 26122f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt var->type, var->constant_value); 26132f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 26142f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt } 26152f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 26162f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt talloc_free(mem_ctx); 26172f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt} 26182f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 2619f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul 2620f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul/** 2621f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Convert a shader's GLSL IR into a Mesa gl_program. 2622f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul */ 26236162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paulstatic struct gl_program * 26246162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paulget_mesa_program(struct gl_context *ctx, 26256162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul struct gl_shader_program *shader_program, 262695c08920ea3d040360e5cc51d8a852d21a0329eeEric Anholt struct gl_shader *shader) 262784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt{ 262884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt ir_to_mesa_visitor v; 262984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt struct prog_instruction *mesa_instructions, *mesa_inst; 2630c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt ir_instruction **mesa_instruction_annotation; 2631c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt int i; 2632364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt struct gl_program *prog; 2633364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt GLenum target; 2634c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt const char *target_string; 26357b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt GLboolean progress; 26366d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri struct gl_shader_compiler_options *options = 26376d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(shader->Type)]; 2638364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 2639364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt switch (shader->Type) { 2640c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt case GL_VERTEX_SHADER: 2641c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt target = GL_VERTEX_PROGRAM_ARB; 2642c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt target_string = "vertex"; 2643c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt break; 2644c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt case GL_FRAGMENT_SHADER: 2645c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt target = GL_FRAGMENT_PROGRAM_ARB; 2646c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt target_string = "fragment"; 2647c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt break; 2648903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul case GL_GEOMETRY_SHADER: 2649903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul target = GL_GEOMETRY_PROGRAM_NV; 2650903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul target_string = "geometry"; 2651903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul break; 2652c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt default: 2653c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt assert(!"should not be reached"); 26544841c0a15adcc722e67d7d246987cd686d3f7a17José Fonseca return NULL; 2655364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt } 265684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 26571124e5a3cbba839ffd968742bfa3295c8de5498cEric Anholt validate_ir_tree(shader->ir); 26581124e5a3cbba839ffd968742bfa3295c8de5498cEric Anholt 2659859fd56245c1d725cacab17a34793d41ea14e867Eric Anholt prog = ctx->Driver.NewProgram(ctx, target, shader_program->Name); 2660364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt if (!prog) 2661364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt return NULL; 2662364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->Parameters = _mesa_new_parameter_list(); 2663364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->Varying = _mesa_new_parameter_list(); 2664364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->Attributes = _mesa_new_parameter_list(); 2665364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt v.ctx = ctx; 2666364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt v.prog = prog; 2667aa452e20bff9aea2ecb994c9f7b413b0726a04f3Eric Anholt v.shader_program = shader_program; 26686d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri v.options = options; 2669364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 26700924ba0c3496160a134d37cec800f902ae805b9cEric Anholt add_uniforms_to_parameters_list(shader_program, shader, prog); 26710924ba0c3496160a134d37cec800f902ae805b9cEric Anholt 26727b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Emit Mesa IR for main(). */ 267316b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholt visit_exec_list(shader->ir, &v); 2674021222c6a872ca2eef770ebadb8754f659775204Eric Anholt v.ir_to_mesa_emit_op0(NULL, OPCODE_END); 267584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 26767b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt /* Now emit bodies for any functions that were used. */ 26777b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt do { 26787b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt progress = GL_FALSE; 26797b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 26807b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt foreach_iter(exec_list_iterator, iter, v.function_signatures) { 26817b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt function_entry *entry = (function_entry *)iter.get(); 26827b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 26837b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt if (!entry->bgn_inst) { 26847b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt v.current_function = entry; 26857b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 26867b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->bgn_inst = v.ir_to_mesa_emit_op0(NULL, OPCODE_BGNSUB); 26877b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt entry->bgn_inst->function = entry; 26887b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 26897b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt visit_exec_list(&entry->sig->body, &v); 26907b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 2691806cb9f9528e3c55c157d7e8bbb751b769b6fcb7Eric Anholt ir_to_mesa_instruction *last; 2692806cb9f9528e3c55c157d7e8bbb751b769b6fcb7Eric Anholt last = (ir_to_mesa_instruction *)v.instructions.get_tail(); 2693806cb9f9528e3c55c157d7e8bbb751b769b6fcb7Eric Anholt if (last->op != OPCODE_RET) 2694806cb9f9528e3c55c157d7e8bbb751b769b6fcb7Eric Anholt v.ir_to_mesa_emit_op0(NULL, OPCODE_RET); 2695806cb9f9528e3c55c157d7e8bbb751b769b6fcb7Eric Anholt 269640f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt ir_to_mesa_instruction *end; 269740f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt end = v.ir_to_mesa_emit_op0(NULL, OPCODE_ENDSUB); 269840f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt end->function = entry; 269940f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt 27007b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt progress = GL_TRUE; 27017b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 27027b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } 27037b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt } while (progress); 27047b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 2705364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->NumTemporaries = v.next_temp; 2706364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 270784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt int num_instructions = 0; 270884771df82ed2ed8718013795089edd38cf5bd84dEric Anholt foreach_iter(exec_list_iterator, iter, v.instructions) { 270984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt num_instructions++; 271084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 271184771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 271284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_instructions = 271384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt (struct prog_instruction *)calloc(num_instructions, 271484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt sizeof(*mesa_instructions)); 2715850c659044d081c53713800cacf8d518fae6cd70Eric Anholt mesa_instruction_annotation = talloc_array(v.mem_ctx, ir_instruction *, 2716364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt num_instructions); 271784771df82ed2ed8718013795089edd38cf5bd84dEric Anholt 2718f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul /* Convert ir_mesa_instructions into prog_instructions. 2719f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul */ 272084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst = mesa_instructions; 2721c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt i = 0; 272284771df82ed2ed8718013795089edd38cf5bd84dEric Anholt foreach_iter(exec_list_iterator, iter, v.instructions) { 2723f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul const ir_to_mesa_instruction *inst = (ir_to_mesa_instruction *)iter.get(); 2724b7abce770fe9bb09a6f435d35c1a4afd134fa855Eric Anholt 272584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst->Opcode = inst->op; 2726854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt mesa_inst->CondUpdate = inst->cond_update; 2727ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt if (inst->saturate) 2728ac89a90401f08df945248fcc96da59ba0e2bbfa9Eric Anholt mesa_inst->SaturateMode = SATURATE_ZERO_ONE; 272984771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst->DstReg.File = inst->dst_reg.file; 273084771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst->DstReg.Index = inst->dst_reg.index; 2731854fd66cbb569cb3d4768196f4c680eff489733eEric Anholt mesa_inst->DstReg.CondMask = inst->dst_reg.cond_mask; 273212f654c63bc42d353e258cde989d9114cdde26c6Eric Anholt mesa_inst->DstReg.WriteMask = inst->dst_reg.writemask; 2733f8a2b65bc9bf3dfb4a4aa6fe1c0ea65f78a01922Eric Anholt mesa_inst->DstReg.RelAddr = inst->dst_reg.reladdr != NULL; 273484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst->SrcReg[0] = mesa_src_reg_from_ir_src_reg(inst->src_reg[0]); 273584771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst->SrcReg[1] = mesa_src_reg_from_ir_src_reg(inst->src_reg[1]); 273684771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst->SrcReg[2] = mesa_src_reg_from_ir_src_reg(inst->src_reg[2]); 2737d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt mesa_inst->TexSrcUnit = inst->sampler; 2738d4f7e660dd81e05b0829c1b70663b3959fd78f47Eric Anholt mesa_inst->TexSrcTarget = inst->tex_target; 2739b61f4241f314144d3290085cda5db1959d8960a2Eric Anholt mesa_inst->TexShadow = inst->tex_shadow; 2740c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt mesa_instruction_annotation[i] = inst->ir; 2741aaee40e107cf07a12c8e373d8bb910254f4ba30bEric Anholt 27425755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák /* Set IndirectRegisterFiles. */ 27435755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák if (mesa_inst->DstReg.RelAddr) 27445755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák prog->IndirectRegisterFiles |= 1 << mesa_inst->DstReg.File; 27455755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák 2746f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul /* Update program's bitmask of indirectly accessed register files */ 27475755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák for (unsigned src = 0; src < 3; src++) 27485755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák if (mesa_inst->SrcReg[src].RelAddr) 27495755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák prog->IndirectRegisterFiles |= 1 << mesa_inst->SrcReg[src].File; 27505755d1d6a7ff68c7d690d67c4cd64ef8e01ec2edMarek Olšák 27516d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri if (options->EmitNoIfs && mesa_inst->Opcode == OPCODE_IF) { 2752500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt fail_link(shader_program, "Couldn't flatten if statement\n"); 275395c08920ea3d040360e5cc51d8a852d21a0329eeEric Anholt } 275495c08920ea3d040360e5cc51d8a852d21a0329eeEric Anholt 275540f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt switch (mesa_inst->Opcode) { 275640f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt case OPCODE_BGNSUB: 27577b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt inst->function->inst = i; 275840f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt mesa_inst->Comment = strdup(inst->function->sig->function_name()); 275940f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt break; 276040f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt case OPCODE_ENDSUB: 276140f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt mesa_inst->Comment = strdup(inst->function->sig->function_name()); 276240f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt break; 276340f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt case OPCODE_CAL: 27647b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt mesa_inst->BranchTarget = inst->function->sig_id; /* rewritten later */ 276540f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt break; 276640f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt case OPCODE_ARL: 2767d64343f1ae84979bd154475badf11af8a9bfc2ebEric Anholt prog->NumAddressRegs = 1; 276840f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt break; 276940f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt default: 277040f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt break; 277140f57c2becbb2cee7cfb6d6ed49dc1db57987e9aEric Anholt } 27727b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt 277384771df82ed2ed8718013795089edd38cf5bd84dEric Anholt mesa_inst++; 2774c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt i++; 27756162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul 27766162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul if (!shader_program->LinkStatus) 27776162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul break; 27786162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul } 27796162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul 27806162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul if (!shader_program->LinkStatus) { 27816162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul free(mesa_instructions); 27826162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul _mesa_reference_program(ctx, &shader->Program, NULL); 27836162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul return NULL; 278484771df82ed2ed8718013795089edd38cf5bd84dEric Anholt } 2785c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 27867b130149427019ac9ae6d39b6871c14fb6ba2dadEric Anholt set_branchtargets(&v, mesa_instructions, num_instructions); 2787925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt 2788c8d0a9f0065c321308be635529c95735f3beb68fEric Anholt if (ctx->Shader.Flags & GLSL_DUMP) { 2789455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt printf("\n"); 2790455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt printf("GLSL IR for linked %s program %d:\n", target_string, 2791455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt shader_program->Name); 2792455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt _mesa_print_ir(shader->ir, NULL); 2793455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt printf("\n"); 2794455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt printf("\n"); 2795455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt printf("Mesa IR for linked %s program %d:\n", target_string, 2796455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt shader_program->Name); 2797364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt print_program(mesa_instructions, mesa_instruction_annotation, 2798364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt num_instructions); 2799364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt } 2800364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 2801364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->Instructions = mesa_instructions; 2802364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->NumInstructions = num_instructions; 2803364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 2804925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt do_set_program_inouts(shader->ir, prog); 2805925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt count_resources(prog); 2806925b49ff310bf0b307add7c34627cddf87e6a554Eric Anholt 280716b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholt _mesa_reference_program(ctx, &shader->Program, prog); 2808364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 280928faa12dc2413d93c7f4778327a5e7c4c8f57c85Eric Anholt if ((ctx->Shader.Flags & GLSL_NO_OPT) == 0) { 281028faa12dc2413d93c7f4778327a5e7c4c8f57c85Eric Anholt _mesa_optimize_program(ctx, prog); 281128faa12dc2413d93c7f4778327a5e7c4c8f57c85Eric Anholt } 281228faa12dc2413d93c7f4778327a5e7c4c8f57c85Eric Anholt 2813364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt return prog; 2814364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt} 2815364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 281616b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholtextern "C" { 2817f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul 2818f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul/** 2819f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Called via ctx->Driver.CompilerShader(). 2820f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * This is a no-op. 2821f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * XXX can we remove the ctx->Driver.CompileShader() hook? 2822f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul */ 2823d19eecef54384c163af27a470496ed885a5a271bEric AnholtGLboolean 2824f9995b30756140724f41daf963fa06167912be7fKristian Høgsberg_mesa_ir_compile_shader(struct gl_context *ctx, struct gl_shader *shader) 2825d19eecef54384c163af27a470496ed885a5a271bEric Anholt{ 2826d19eecef54384c163af27a470496ed885a5a271bEric Anholt assert(shader->CompileStatus); 2827fc63e37b971b641dfdff000ba353c4810414c20eIan Romanick (void) ctx; 2828d19eecef54384c163af27a470496ed885a5a271bEric Anholt 2829d19eecef54384c163af27a470496ed885a5a271bEric Anholt return GL_TRUE; 2830d19eecef54384c163af27a470496ed885a5a271bEric Anholt} 2831d19eecef54384c163af27a470496ed885a5a271bEric Anholt 2832f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul 2833f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul/** 2834f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Link a shader. 2835f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Called via ctx->Driver.LinkShader() 2836f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * This actually involves converting GLSL IR into Mesa gl_programs with 2837f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * code lowering and other optimizations. 2838f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul */ 2839d19eecef54384c163af27a470496ed885a5a271bEric AnholtGLboolean 2840f9995b30756140724f41daf963fa06167912be7fKristian Høgsberg_mesa_ir_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) 2841d19eecef54384c163af27a470496ed885a5a271bEric Anholt{ 2842d19eecef54384c163af27a470496ed885a5a271bEric Anholt assert(prog->LinkStatus); 2843d19eecef54384c163af27a470496ed885a5a271bEric Anholt 28443322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) { 28453322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick if (prog->_LinkedShaders[i] == NULL) 28463322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick continue; 28473322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick 2848d19eecef54384c163af27a470496ed885a5a271bEric Anholt bool progress; 2849d19eecef54384c163af27a470496ed885a5a271bEric Anholt exec_list *ir = prog->_LinkedShaders[i]->ir; 2850f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul const struct gl_shader_compiler_options *options = 28516d3a2c97f4a78e85545286e0e126cd3a27bd1cbdLuca Barbieri &ctx->ShaderCompilerOptions[_mesa_shader_type_to_index(prog->_LinkedShaders[i]->Type)]; 2852d19eecef54384c163af27a470496ed885a5a271bEric Anholt 2853d19eecef54384c163af27a470496ed885a5a271bEric Anholt do { 2854d19eecef54384c163af27a470496ed885a5a271bEric Anholt progress = false; 2855d19eecef54384c163af27a470496ed885a5a271bEric Anholt 2856d19eecef54384c163af27a470496ed885a5a271bEric Anholt /* Lowering */ 2857d19eecef54384c163af27a470496ed885a5a271bEric Anholt do_mat_op_to_vec(ir); 2858c4285be9a5bd1adaa89050989374b95a9a601cdcIan Romanick lower_instructions(ir, (MOD_TO_FRACT | DIV_TO_MUL_RCP | EXP_TO_EXP2 2859c4285be9a5bd1adaa89050989374b95a9a601cdcIan Romanick | LOG_TO_LOG2 2860c4285be9a5bd1adaa89050989374b95a9a601cdcIan Romanick | ((options->EmitNoPow) ? POW_TO_EXP2 : 0))); 2861d19eecef54384c163af27a470496ed885a5a271bEric Anholt 286287708e8c90220cc1997cef9de9b394c04d952be9Luca Barbieri progress = do_lower_jumps(ir, true, true, options->EmitNoMainReturn, options->EmitNoCont, options->EmitNoLoops) || progress; 286387708e8c90220cc1997cef9de9b394c04d952be9Luca Barbieri 2864e591c4625cae63660c5000fbab366e40fe154ab0Luca Barbieri progress = do_common_optimization(ir, true, options->MaxUnrollIterations) || progress; 2865d19eecef54384c163af27a470496ed885a5a271bEric Anholt 286611d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick progress = lower_quadop_vector(ir, true) || progress; 286711d6f1c69871d0b7edc28f639256460839fccd2dIan Romanick 2868940df10100d740ef27fa39026fd51c3199ed3d62Kenneth Graunke if (options->EmitNoIfs) { 2869940df10100d740ef27fa39026fd51c3199ed3d62Kenneth Graunke progress = lower_discard(ir) || progress; 2870d19eecef54384c163af27a470496ed885a5a271bEric Anholt progress = do_if_to_cond_assign(ir) || progress; 2871940df10100d740ef27fa39026fd51c3199ed3d62Kenneth Graunke } 2872d19eecef54384c163af27a470496ed885a5a271bEric Anholt 28732b70dbfe091af5ae7c788e16275e1af2cb1c284cIan Romanick if (options->EmitNoNoise) 28742b70dbfe091af5ae7c788e16275e1af2cb1c284cIan Romanick progress = lower_noise(ir) || progress; 28752b70dbfe091af5ae7c788e16275e1af2cb1c284cIan Romanick 2876a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick /* If there are forms of indirect addressing that the driver 2877a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick * cannot handle, perform the lowering pass. 2878a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick */ 2879a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick if (options->EmitNoIndirectInput || options->EmitNoIndirectOutput 2880a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick || options->EmitNoIndirectTemp || options->EmitNoIndirectUniform) 2881a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick progress = 2882a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick lower_variable_index_to_cond_assign(ir, 2883a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick options->EmitNoIndirectInput, 2884a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick options->EmitNoIndirectOutput, 2885a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick options->EmitNoIndirectTemp, 2886a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick options->EmitNoIndirectUniform) 2887a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick || progress; 2888a6ecd1c3724a78b76ab9e81ea39632f1279021f8Ian Romanick 2889d19eecef54384c163af27a470496ed885a5a271bEric Anholt progress = do_vec_index_to_cond_assign(ir) || progress; 2890d19eecef54384c163af27a470496ed885a5a271bEric Anholt } while (progress); 2891d19eecef54384c163af27a470496ed885a5a271bEric Anholt 2892d19eecef54384c163af27a470496ed885a5a271bEric Anholt validate_ir_tree(ir); 2893d19eecef54384c163af27a470496ed885a5a271bEric Anholt } 2894d19eecef54384c163af27a470496ed885a5a271bEric Anholt 28953322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick for (unsigned i = 0; i < MESA_SHADER_TYPES; i++) { 2896d19eecef54384c163af27a470496ed885a5a271bEric Anholt struct gl_program *linked_prog; 2897d19eecef54384c163af27a470496ed885a5a271bEric Anholt 28983322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick if (prog->_LinkedShaders[i] == NULL) 28993322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick continue; 29003322fbaf3b5e305ce00c1d08c26965bb98e0cef0Ian Romanick 2901d19eecef54384c163af27a470496ed885a5a271bEric Anholt linked_prog = get_mesa_program(ctx, prog, prog->_LinkedShaders[i]); 2902d19eecef54384c163af27a470496ed885a5a271bEric Anholt 29036162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul if (linked_prog) { 29046162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul bool ok = true; 29056162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul 29066162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul switch (prog->_LinkedShaders[i]->Type) { 29076162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul case GL_VERTEX_SHADER: 29086162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul _mesa_reference_vertprog(ctx, &prog->VertexProgram, 29096162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul (struct gl_vertex_program *)linked_prog); 29106162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul ok = ctx->Driver.ProgramStringNotify(ctx, GL_VERTEX_PROGRAM_ARB, 29116162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul linked_prog); 29126162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul break; 29136162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul case GL_FRAGMENT_SHADER: 29146162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul _mesa_reference_fragprog(ctx, &prog->FragmentProgram, 29156162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul (struct gl_fragment_program *)linked_prog); 29166162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul ok = ctx->Driver.ProgramStringNotify(ctx, GL_FRAGMENT_PROGRAM_ARB, 29176162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul linked_prog); 29186162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul break; 2919903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul case GL_GEOMETRY_SHADER: 2920903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul _mesa_reference_geomprog(ctx, &prog->GeometryProgram, 2921903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul (struct gl_geometry_program *)linked_prog); 2922903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul ok = ctx->Driver.ProgramStringNotify(ctx, GL_GEOMETRY_PROGRAM_NV, 2923903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul linked_prog); 2924903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul break; 29256162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul } 29266162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul if (!ok) { 29276162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul return GL_FALSE; 29286162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul } 2929d19eecef54384c163af27a470496ed885a5a271bEric Anholt } 29306162773ea4b0e84c3ab9c9952fb5e838519c2564Brian Paul 29313cd233eb5714137dccb6218ad78005511bcc02bdEric Anholt _mesa_reference_program(ctx, &linked_prog, NULL); 2932d19eecef54384c163af27a470496ed885a5a271bEric Anholt } 2933d19eecef54384c163af27a470496ed885a5a271bEric Anholt 2934d19eecef54384c163af27a470496ed885a5a271bEric Anholt return GL_TRUE; 2935d19eecef54384c163af27a470496ed885a5a271bEric Anholt} 293616b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholt 2937f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul 2938f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul/** 2939f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Compile a GLSL shader. Called via glCompileShader(). 2940f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul */ 294116b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholtvoid 2942f9995b30756140724f41daf963fa06167912be7fKristian Høgsberg_mesa_glsl_compile_shader(struct gl_context *ctx, struct gl_shader *shader) 2943364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt{ 29442462a536ea5c98867296905e3da127eba7c7bdffIan Romanick struct _mesa_glsl_parse_state *state = 29452462a536ea5c98867296905e3da127eba7c7bdffIan Romanick new(shader) _mesa_glsl_parse_state(ctx, shader->Type, shader); 29465e18b051c039564d1998818d08caf1bff3983630Ian Romanick 2947153eca98064252be4daad9cc27746f37c245b627Ian Romanick const char *source = shader->Source; 2948a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke /* Check if the user called glCompileShader without first calling 2949a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke * glShaderSource. This should fail to compile, but not raise a GL_ERROR. 2950a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke */ 2951a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke if (source == NULL) { 2952a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke shader->CompileStatus = GL_FALSE; 2953a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke return; 2954a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke } 2955a09a8ec12d76e1fb1583fa99cf9f48246c108d7bKenneth Graunke 295606143ea09411aa283ac3633bfbfa4326584cd952Ian Romanick state->error = preprocess(state, &source, &state->info_log, 29577dcfc44b72f00ba5a38cb02123c80113440f0de9Kenneth Graunke &ctx->Extensions, ctx->API); 2958153eca98064252be4daad9cc27746f37c245b627Ian Romanick 29591b708d8f4dd1a853de8537e81e6d5bf8c9f2aed1Eric Anholt if (ctx->Shader.Flags & GLSL_DUMP) { 29601b708d8f4dd1a853de8537e81e6d5bf8c9f2aed1Eric Anholt printf("GLSL source for shader %d:\n", shader->Name); 29611b708d8f4dd1a853de8537e81e6d5bf8c9f2aed1Eric Anholt printf("%s\n", shader->Source); 29621b708d8f4dd1a853de8537e81e6d5bf8c9f2aed1Eric Anholt } 29631b708d8f4dd1a853de8537e81e6d5bf8c9f2aed1Eric Anholt 2964153eca98064252be4daad9cc27746f37c245b627Ian Romanick if (!state->error) { 2965153eca98064252be4daad9cc27746f37c245b627Ian Romanick _mesa_glsl_lexer_ctor(state, source); 2966153eca98064252be4daad9cc27746f37c245b627Ian Romanick _mesa_glsl_parse(state); 2967153eca98064252be4daad9cc27746f37c245b627Ian Romanick _mesa_glsl_lexer_dtor(state); 2968153eca98064252be4daad9cc27746f37c245b627Ian Romanick } 2969364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 29704a6a4316846ead3ec12759c96ecc4b61491aad65Eric Anholt talloc_free(shader->ir); 297116b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholt shader->ir = new(shader) exec_list; 2972364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt if (!state->error && !state->translation_unit.is_empty()) 297316b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholt _mesa_ast_to_hir(shader->ir, state); 2974364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 297516b68b1952d0da14b9ce8306efa64988ce46b4b7Eric Anholt if (!state->error && !shader->ir->is_empty()) { 2976ee7b2b3f44d09c2311887d3524e197b9738580a9Eric Anholt validate_ir_tree(shader->ir); 2977ee7b2b3f44d09c2311887d3524e197b9738580a9Eric Anholt 29782f4fe151681a6f6afe1d452eece6cf4144f44e49Eric Anholt /* Do some optimization at compile time to reduce shader IR size 29792f4fe151681a6f6afe1d452eece6cf4144f44e49Eric Anholt * and reduce later work if the same shader is linked multiple times 29802f4fe151681a6f6afe1d452eece6cf4144f44e49Eric Anholt */ 2981e591c4625cae63660c5000fbab366e40fe154ab0Luca Barbieri while (do_common_optimization(shader->ir, false, 32)) 29822f4fe151681a6f6afe1d452eece6cf4144f44e49Eric Anholt ; 2983ee7b2b3f44d09c2311887d3524e197b9738580a9Eric Anholt 2984ee7b2b3f44d09c2311887d3524e197b9738580a9Eric Anholt validate_ir_tree(shader->ir); 2985364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt } 2986364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 2987364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt shader->symbols = state->symbols; 2988364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 2989364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt shader->CompileStatus = !state->error; 2990364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt shader->InfoLog = state->info_log; 299125f51d3b9b8c36c41cd23d2797b6a06f6e27ff86Ian Romanick shader->Version = state->language_version; 2992d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick memcpy(shader->builtins_to_link, state->builtins_to_link, 2993d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick sizeof(shader->builtins_to_link[0]) * state->num_builtins_to_link); 2994d5be2acae379783c4aa31243e0a88a9e67e6ca7eIan Romanick shader->num_builtins_to_link = state->num_builtins_to_link; 2995c5ca73e72c27b2e5d7fcf4662b9921ddb3a9627bEric Anholt 2996b42519108dc7ab104cf9ade65a508f54a0294406Eric Anholt if (ctx->Shader.Flags & GLSL_LOG) { 2997b42519108dc7ab104cf9ade65a508f54a0294406Eric Anholt _mesa_write_shader_to_file(shader); 2998b42519108dc7ab104cf9ade65a508f54a0294406Eric Anholt } 2999b42519108dc7ab104cf9ade65a508f54a0294406Eric Anholt 30000df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt if (ctx->Shader.Flags & GLSL_DUMP) { 30010df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt if (shader->CompileStatus) { 30020df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("GLSL IR for shader %d:\n", shader->Name); 30030df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt _mesa_print_ir(shader->ir, NULL); 30040df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("\n\n"); 30050df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt } else { 30060df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("GLSL shader %d failed to compile.\n", shader->Name); 30070df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt } 30080df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt if (shader->InfoLog && shader->InfoLog[0] != 0) { 30090df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("GLSL shader %d info log:\n", shader->Name); 30100df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("%s\n", shader->InfoLog); 30110df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt } 3012455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt } 3013455290e4281bf53ce2fe248a2adf5163563c44c8Eric Anholt 3014116f1d4f95d8eb0a82b272016590549632c865b3Kenneth Graunke /* Retain any live IR, but trash the rest. */ 30154a6a4316846ead3ec12759c96ecc4b61491aad65Eric Anholt reparent_ir(shader->ir, shader->ir); 3016116f1d4f95d8eb0a82b272016590549632c865b3Kenneth Graunke 3017364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt talloc_free(state); 3018d19eecef54384c163af27a470496ed885a5a271bEric Anholt 3019d19eecef54384c163af27a470496ed885a5a271bEric Anholt if (shader->CompileStatus) { 3020d19eecef54384c163af27a470496ed885a5a271bEric Anholt if (!ctx->Driver.CompileShader(ctx, shader)) 3021d19eecef54384c163af27a470496ed885a5a271bEric Anholt shader->CompileStatus = GL_FALSE; 3022d19eecef54384c163af27a470496ed885a5a271bEric Anholt } 3023d19eecef54384c163af27a470496ed885a5a271bEric Anholt} 3024364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3025f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul 3026f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul/** 3027f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul * Link a GLSL shader program. Called via glLinkProgram(). 3028f1c1ee11d34f4aa5975641a615c7fd2edb32e1c0Brian Paul */ 3029364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholtvoid 3030f9995b30756140724f41daf963fa06167912be7fKristian Høgsberg_mesa_glsl_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) 3031364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt{ 3032364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt unsigned int i; 3033849e18153cd91d812f694b806a84008498860bc3Eric Anholt 3034364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt _mesa_clear_shader_program_data(ctx, prog); 3035364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3036849e18153cd91d812f694b806a84008498860bc3Eric Anholt prog->LinkStatus = GL_TRUE; 3037364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3038364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt for (i = 0; i < prog->NumShaders; i++) { 3039849e18153cd91d812f694b806a84008498860bc3Eric Anholt if (!prog->Shaders[i]->CompileStatus) { 3040500e7b75995460537b0e682e5bde4c32eb40b85cEric Anholt fail_link(prog, "linking with uncompiled shader"); 3041849e18153cd91d812f694b806a84008498860bc3Eric Anholt prog->LinkStatus = GL_FALSE; 3042364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt } 3043364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt } 3044364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3045364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt prog->Varying = _mesa_new_parameter_list(); 3046364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt _mesa_reference_vertprog(ctx, &prog->VertexProgram, NULL); 3047364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt _mesa_reference_fragprog(ctx, &prog->FragmentProgram, NULL); 3048903ead0b26e4fc55474b652adf9470247283e7aaBrian Paul _mesa_reference_geomprog(ctx, &prog->GeometryProgram, NULL); 3049364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3050849e18153cd91d812f694b806a84008498860bc3Eric Anholt if (prog->LinkStatus) { 30515d0f430e8ed01db29d11d22e4b6c3760d8c39f8fEric Anholt link_shaders(ctx, prog); 3052849e18153cd91d812f694b806a84008498860bc3Eric Anholt } 3053364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3054364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt if (prog->LinkStatus) { 30550df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt if (!ctx->Driver.LinkShader(ctx, prog)) { 3056d19eecef54384c163af27a470496ed885a5a271bEric Anholt prog->LinkStatus = GL_FALSE; 3057af2ef53a2701426d32382e861d8f238a449e9cd9Eric Anholt } 3058af2ef53a2701426d32382e861d8f238a449e9cd9Eric Anholt } 3059af2ef53a2701426d32382e861d8f238a449e9cd9Eric Anholt 30602f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt set_uniform_initializers(ctx, prog); 30612f5bf20e44d509fa3afbe2cfbb9bb65347daea6aEric Anholt 3062af2ef53a2701426d32382e861d8f238a449e9cd9Eric Anholt if (ctx->Shader.Flags & GLSL_DUMP) { 3063af2ef53a2701426d32382e861d8f238a449e9cd9Eric Anholt if (!prog->LinkStatus) { 30640df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("GLSL shader program %d failed to link\n", prog->Name); 30650df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt } 30660df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt 30670df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt if (prog->InfoLog && prog->InfoLog[0] != 0) { 30680df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("GLSL shader program %d info log:\n", prog->Name); 30690df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt printf("%s\n", prog->InfoLog); 30700df61bdb669d03d9c25e49d5698f193deca3cf6dEric Anholt } 3071364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt } 3072364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt} 3073364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt 3074364fcd8ee1af39e215338fba59306a14dd81c2b2Eric Anholt} /* extern "C" */ 3075