src/mesa/drivers/dri/r300/compiler/radeon_dataflow.h

   1 /*
   2  * Copyright (C) 2009 Nicolai Haehnle.
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sublicense, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  */
  27
  28 #ifndef RADEON_DATAFLOW_H
  29 #define RADEON_DATAFLOW_H
  30
  31 #include "radeon_program_constants.h"
  32
  33 struct radeon_compiler;
  34 struct rc_instruction;
  35 struct rc_swizzle_caps;
  36 struct rc_src_register;
  37 struct rc_pair_instruction_arg;
  38
  39
  40 /**
  41  * Help analyze and modify the register accesses of instructions.
  42  */
  43 /*@{*/
  44 typedef void (*rc_read_write_chan_fn)(void * userdata, struct rc_instruction * inst,
  45                         rc_register_file file, unsigned int index, unsigned int chan);
  46 void rc_for_all_reads_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata);
  47 void rc_for_all_writes_chan(struct rc_instruction * inst, rc_read_write_chan_fn cb, void * userdata);
  48
  49 typedef void (*rc_read_write_mask_fn)(void * userdata, struct rc_instruction * inst,
  50                         rc_register_file file, unsigned int index, unsigned int mask);
  51 void rc_for_all_reads_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata);
  52 void rc_for_all_writes_mask(struct rc_instruction * inst, rc_read_write_mask_fn cb, void * userdata);
  53
  54 typedef void (*rc_read_src_fn)(void * userdata, struct rc_instruction * inst,
  55                         struct rc_src_register * src);
  56 void rc_for_all_reads_src(struct rc_instruction * inst, rc_read_src_fn cb,
  57                         void * userdata);
  58
  59 typedef void (*rc_pair_read_arg_fn)(void * userdata,
  60         struct rc_instruction * inst, struct rc_pair_instruction_arg * arg);
  61 void rc_pair_for_all_reads_arg(struct rc_instruction * inst,
  62                                         rc_pair_read_arg_fn cb, void * userdata);
  63
  64 typedef void (*rc_remap_register_fn)(void * userdata, struct rc_instruction * inst,
  65                         rc_register_file * pfile, unsigned int * pindex);
  66 void rc_remap_registers(struct rc_instruction * inst, rc_remap_register_fn cb, void * userdata);
  67 /*@}*/
  68
  69
  70 /**
  71  * Compiler passes based on dataflow analysis.
  72  */
  73 /*@{*/
  74 typedef void (*rc_dataflow_mark_outputs_fn)(void * userdata, void * data,
  75                         void (*mark_fn)(void * data, unsigned int index, unsigned int mask));
  76 void rc_dataflow_deadcode(struct radeon_compiler * c, void *user);
  77 void rc_dataflow_swizzles(struct radeon_compiler * c, void *user);
  78 /*@}*/
  79
  80 void rc_optimize(struct radeon_compiler * c, void *user);
  81
  82 #endif /* RADEON_DATAFLOW_H */