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1d5d67f8ad
Setting this flag prevents declarations of uniforms from being removed from the IR. Since the IR is directly used by several API functions that query uniforms in shaders, uniform declarations cannot be removed after the locations have been set. However, it should still be safe to reorder the declarations (this is not tested). Signed-off-by: Ian Romanick <ian.d.romanick@intel.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=41980 Tested-by: Brian Paul <brianp@vmware.com> Reviewed-by: Bryan Cain <bryancain3@gmail.com> Cc: Vinson Lee <vlee@vmware.com> Cc: José Fonseca <jfonseca@vmware.com> Reviewed-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
79 lines
3.7 KiB
C
79 lines
3.7 KiB
C
/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file ir_optimization.h
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*
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* Prototypes for optimization passes to be called by the compiler and drivers.
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*/
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/* Operations for lower_instructions() */
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#define SUB_TO_ADD_NEG 0x01
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#define DIV_TO_MUL_RCP 0x02
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#define EXP_TO_EXP2 0x04
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#define POW_TO_EXP2 0x08
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#define LOG_TO_LOG2 0x10
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#define MOD_TO_FRACT 0x20
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#define INT_DIV_TO_MUL_RCP 0x40
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bool do_common_optimization(exec_list *ir, bool linked,
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bool uniform_locations_assigned,
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unsigned max_unroll_iterations);
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bool do_algebraic(exec_list *instructions);
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bool do_constant_folding(exec_list *instructions);
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bool do_constant_variable(exec_list *instructions);
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bool do_constant_variable_unlinked(exec_list *instructions);
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bool do_copy_propagation(exec_list *instructions);
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bool do_copy_propagation_elements(exec_list *instructions);
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bool do_constant_propagation(exec_list *instructions);
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bool do_dead_code(exec_list *instructions, bool uniform_locations_assigned);
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bool do_dead_code_local(exec_list *instructions);
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bool do_dead_code_unlinked(exec_list *instructions);
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bool do_dead_functions(exec_list *instructions);
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bool do_function_inlining(exec_list *instructions);
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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);
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bool do_lower_texture_projection(exec_list *instructions);
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bool do_if_simplification(exec_list *instructions);
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bool do_discard_simplification(exec_list *instructions);
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bool lower_if_to_cond_assign(exec_list *instructions, unsigned max_depth = 0);
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bool do_mat_op_to_vec(exec_list *instructions);
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bool do_noop_swizzle(exec_list *instructions);
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bool do_structure_splitting(exec_list *instructions);
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bool do_swizzle_swizzle(exec_list *instructions);
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bool do_tree_grafting(exec_list *instructions);
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bool do_vec_index_to_cond_assign(exec_list *instructions);
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bool do_vec_index_to_swizzle(exec_list *instructions);
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bool lower_discard(exec_list *instructions);
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bool lower_instructions(exec_list *instructions, unsigned what_to_lower);
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bool lower_noise(exec_list *instructions);
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bool lower_variable_index_to_cond_assign(exec_list *instructions,
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bool lower_input, bool lower_output, bool lower_temp, bool lower_uniform);
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bool lower_quadop_vector(exec_list *instructions, bool dont_lower_swz);
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bool lower_clip_distance(exec_list *instructions);
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bool optimize_redundant_jumps(exec_list *instructions);
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ir_rvalue *
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compare_index_block(exec_list *instructions, ir_variable *index,
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unsigned base, unsigned components, void *mem_ctx);
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