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/*
* Copyright (C) 2009 Nicolai Haehnle.
* Copyright 2010 Tom Stellard <tstellar@gmail.com>
*
* All Rights Reserved.
*
* 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 COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS 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.
*
*/
#ifndef RADEON_DATAFLOW_H
#define RADEON_DATAFLOW_H
#include "radeon_program_constants.h"
struct radeon_compiler;
struct rc_instruction;
struct rc_swizzle_caps;
struct rc_src_register;
struct rc_pair_instruction_arg;
struct rc_pair_instruction_source;
struct rc_compiler;
/**
* Help analyze and modify the register accesses of instructions.
*/
/*@{*/
typedef void (*rc_read_write_chan_fn)(void * userdata, struct rc_instruction * inst,
rc_register_file file, unsigned int index, unsigned int chan);
void rc_for_all_reads_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata);
void rc_for_all_writes_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata);
typedef void (*rc_read_write_mask_fn)(void * userdata, struct rc_instruction * inst,
rc_register_file file, unsigned int index, unsigned int mask);
void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata);
void rc_for_all_writes_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata);
typedef void (*rc_read_src_fn)(void * userdata, struct rc_instruction * inst,
struct rc_src_register * src);
void rc_for_all_reads_src(struct rc_instruction * inst, rc_read_src_fn cb,
void * userdata);
typedef void (*rc_pair_read_arg_fn)(void * userdata,
struct rc_instruction * inst, struct rc_pair_instruction_arg * arg,
struct rc_pair_instruction_source * src);
void rc_pair_for_all_reads_arg(struct rc_instruction * inst,
rc_pair_read_arg_fn cb, void * userdata);
typedef void (*rc_remap_register_fn)(void * userdata, struct rc_instruction * inst,
rc_register_file * pfile, unsigned int * pindex);
void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata);
/*@}*/
struct rc_reader {
struct rc_instruction * Inst;
unsigned int WriteMask;
union {
struct rc_src_register * Src;
struct rc_pair_instruction_arg * Arg;
} U;
};
struct rc_reader_data {
unsigned int Abort;
unsigned int AbortOnRead;
unsigned int InElse;
struct rc_instruction * Writer;
unsigned int ReaderCount;
unsigned int ReadersReserved;
struct rc_reader * Readers;
void * CbData;
};
void rc_get_readers(
struct radeon_compiler * c,
struct rc_instruction * writer,
struct rc_reader_data * data,
rc_read_src_fn read_normal_cb,
rc_pair_read_arg_fn read_pair_cb,
rc_read_write_mask_fn write_cb);
/**
* Compiler passes based on dataflow analysis.
*/
/*@{*/
typedef void (*rc_dataflow_mark_outputs_fn)(void * userdata, void * data,
void (*mark_fn)(void * data, unsigned int index, unsigned int mask));
void rc_dataflow_deadcode(struct radeon_compiler * c, void *user);
void rc_dataflow_swizzles(struct radeon_compiler * c, void *user);
/*@}*/
void rc_optimize(struct radeon_compiler * c, void *user);
#endif /* RADEON_DATAFLOW_H */
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