| /* |
| * Copyright © 2010 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| |
| /** |
| * \file ir_optimization.h |
| * |
| * Prototypes for optimization passes to be called by the compiler and drivers. |
| */ |
| |
| /* Operations for lower_instructions() */ |
| #define SUB_TO_ADD_NEG 0x01 |
| #define DIV_TO_MUL_RCP 0x02 |
| #define EXP_TO_EXP2 0x04 |
| #define POW_TO_EXP2 0x08 |
| #define LOG_TO_LOG2 0x10 |
| #define MOD_TO_FRACT 0x20 |
| #define INT_DIV_TO_MUL_RCP 0x40 |
| |
| bool do_common_optimization(exec_list *ir, bool linked, |
| bool uniform_locations_assigned, |
| unsigned max_unroll_iterations); |
| |
| bool do_algebraic(exec_list *instructions); |
| bool do_constant_folding(exec_list *instructions); |
| bool do_constant_variable(exec_list *instructions); |
| bool do_constant_variable_unlinked(exec_list *instructions); |
| bool do_copy_propagation(exec_list *instructions); |
| bool do_copy_propagation_elements(exec_list *instructions); |
| bool do_constant_propagation(exec_list *instructions); |
| bool do_dead_code(exec_list *instructions, bool uniform_locations_assigned); |
| bool do_dead_code_local(exec_list *instructions); |
| bool do_dead_code_unlinked(exec_list *instructions); |
| bool do_dead_functions(exec_list *instructions); |
| bool do_function_inlining(exec_list *instructions); |
| 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, bool lower_break = false); |
| bool do_lower_texture_projection(exec_list *instructions); |
| bool do_if_simplification(exec_list *instructions); |
| bool do_discard_simplification(exec_list *instructions); |
| bool lower_if_to_cond_assign(exec_list *instructions, unsigned max_depth = 0); |
| bool do_mat_op_to_vec(exec_list *instructions); |
| bool do_noop_swizzle(exec_list *instructions); |
| bool do_structure_splitting(exec_list *instructions); |
| bool do_swizzle_swizzle(exec_list *instructions); |
| bool do_tree_grafting(exec_list *instructions); |
| bool do_vec_index_to_cond_assign(exec_list *instructions); |
| bool do_vec_index_to_swizzle(exec_list *instructions); |
| bool lower_discard(exec_list *instructions); |
| void lower_discard_flow(exec_list *instructions); |
| bool lower_instructions(exec_list *instructions, unsigned what_to_lower); |
| bool lower_noise(exec_list *instructions); |
| bool lower_variable_index_to_cond_assign(exec_list *instructions, |
| bool lower_input, bool lower_output, bool lower_temp, bool lower_uniform); |
| bool lower_quadop_vector(exec_list *instructions, bool dont_lower_swz); |
| bool lower_clip_distance(exec_list *instructions); |
| void lower_output_reads(exec_list *instructions); |
| void lower_ubo_reference(struct gl_shader *shader, exec_list *instructions); |
| bool optimize_redundant_jumps(exec_list *instructions); |
| bool optimize_split_arrays(exec_list *instructions, bool linked); |
| |
| ir_rvalue * |
| compare_index_block(exec_list *instructions, ir_variable *index, |
| unsigned base, unsigned components, void *mem_ctx); |