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* Copyright (C) 2009 Nicolai Haehnle.
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* Copyright 2010 Tom Stellard <tstellar@gmail.com>
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef RADEON_DATAFLOW_H
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#define RADEON_DATAFLOW_H
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#include "radeon_program_constants.h"
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struct radeon_compiler;
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struct rc_instruction;
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struct rc_swizzle_caps;
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struct rc_src_register;
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struct rc_pair_instruction_arg;
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struct rc_pair_instruction_source;
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struct rc_pair_sub_instruction;
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* Help analyze and modify the register accesses of instructions.
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typedef void (*rc_read_write_chan_fn)(void * userdata, struct rc_instruction * inst,
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rc_register_file file, unsigned int index, unsigned int chan);
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void rc_for_all_reads_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata);
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void rc_for_all_writes_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata);
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typedef void (*rc_read_write_mask_fn)(void * userdata, struct rc_instruction * inst,
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rc_register_file file, unsigned int index, unsigned int mask);
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void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata);
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void rc_for_all_writes_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata);
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typedef void (*rc_read_src_fn)(void * userdata, struct rc_instruction * inst,
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struct rc_src_register * src);
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void rc_for_all_reads_src(struct rc_instruction * inst, rc_read_src_fn cb,
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typedef void (*rc_pair_read_arg_fn)(void * userdata,
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struct rc_instruction * inst, struct rc_pair_instruction_arg * arg,
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struct rc_pair_instruction_source * src);
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void rc_pair_for_all_reads_arg(struct rc_instruction * inst,
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rc_pair_read_arg_fn cb, void * userdata);
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typedef void (*rc_remap_register_fn)(void * userdata, struct rc_instruction * inst,
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rc_register_file * pfile, unsigned int * pindex);
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void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata);
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struct rc_instruction * Inst;
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unsigned int WriteMask;
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struct rc_src_register * Src;
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struct rc_pair_instruction_arg * Arg;
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struct rc_pair_instruction_source * Src;
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struct rc_reader_data {
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unsigned int AbortOnRead;
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unsigned int AbortOnWrite;
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unsigned int LoopDepth;
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struct rc_instruction * Writer;
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unsigned int ReaderCount;
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unsigned int ReadersReserved;
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struct rc_reader * Readers;
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/* If this flag is enabled, rc_get_readers will exit as soon possbile
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* after the Abort flag is set.*/
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unsigned int ExitOnAbort;
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struct radeon_compiler * c,
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struct rc_instruction * writer,
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struct rc_reader_data * data,
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rc_read_src_fn read_normal_cb,
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rc_pair_read_arg_fn read_pair_cb,
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rc_read_write_mask_fn write_cb);
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void rc_get_readers_sub(
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struct radeon_compiler * c,
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struct rc_instruction * writer,
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struct rc_pair_sub_instruction * sub_writer,
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struct rc_reader_data * data,
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rc_read_src_fn read_normal_cb,
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rc_pair_read_arg_fn read_pair_cb,
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rc_read_write_mask_fn write_cb);
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* Compiler passes based on dataflow analysis.
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typedef void (*rc_dataflow_mark_outputs_fn)(void * userdata, void * data,
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void (*mark_fn)(void * data, unsigned int index, unsigned int mask));
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void rc_dataflow_deadcode(struct radeon_compiler * c, void *user);
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void rc_dataflow_swizzles(struct radeon_compiler * c, void *user);
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void rc_optimize(struct radeon_compiler * c, void *user);
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#endif /* RADEON_DATAFLOW_H */