1 /* 2 * Copyright © 2010 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 /** 25 * \file ir_optimization.h 26 * 27 * Prototypes for optimization passes to be called by the compiler and drivers. 28 */ 29 30 #ifndef GLSL_IR_OPTIMIZATION_H 31 #define GLSL_IR_OPTIMIZATION_H 32 33 struct gl_shader; 34 struct gl_linked_shader; 35 struct gl_shader_program; 36 37 bool do_common_optimization(exec_list *ir, bool linked, 38 const struct gl_shader_compiler_options *options, 39 bool native_integers); 40 41 bool do_rebalance_tree(exec_list *instructions); 42 bool do_algebraic(exec_list *instructions, bool native_integers, 43 const struct gl_shader_compiler_options *options); 44 bool do_dead_code(exec_list *instructions); 45 bool do_dead_code_local(exec_list *instructions); 46 bool do_dead_code_unlinked(exec_list *instructions); 47 bool opt_flip_matrices(exec_list *instructions); 48 bool do_lower_jumps(exec_list *instructions, bool pull_out_jumps = true, bool lower_sub_return = true, bool lower_main_return = false, bool lower_continue = false); 49 bool do_if_simplification(exec_list *instructions); 50 bool opt_flatten_nested_if_blocks(exec_list *instructions); 51 bool do_mat_op_to_vec(exec_list *instructions); 52 bool do_minmax_prune(exec_list *instructions); 53 bool do_tree_grafting(exec_list *instructions); 54 bool do_vec_index_to_cond_assign(exec_list *instructions); 55 bool lower_instructions(exec_list *instructions, 56 bool have_gpu_shader5); 57 bool lower_packing_builtins(exec_list *instructions, 58 bool has_shading_language_packing, 59 bool has_gpu_shader5, 60 bool has_half_float_packing); 61 bool lower_vector_derefs(gl_shader *shader); 62 void optimize_dead_builtin_variables(exec_list *instructions, 63 enum ir_variable_mode other); 64 65 bool lower_builtins(exec_list *instructions); 66 bool lower_subroutine(exec_list *instructions, struct _mesa_glsl_parse_state *state); 67 bool propagate_invariance(exec_list *instructions); 68 69 namespace ir_builder { class ir_factory; }; 70 71 void lower_precision(const struct gl_shader_compiler_options *options, 72 exec_list *instructions); 73 74 #endif /* GLSL_IR_OPTIMIZATION_H */ 75