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
  37
  38 /**
  39  * Help analyze the register accesses of instructions.
  40  */
  41 /*@{*/
  42 typedef void (*rc_read_write_fn)(void * userdata, struct rc_instruction * inst,
  43                         rc_register_file file, unsigned int index, unsigned int chan);
  44 void rc_for_all_reads(struct rc_instruction * inst, rc_read_write_fn cb, void * userdata);
  45 void rc_for_all_writes(struct rc_instruction * inst, rc_read_write_fn cb, void * userdata);
  46 /*@}*/
  47
  48
  49 /**
  50  * Compiler passes based on dataflow analysis.
  51  */
  52 /*@{*/
  53 typedef void (*rc_dataflow_mark_outputs_fn)(void * userdata, void * data,
  54                         void (*mark_fn)(void * data, unsigned int index, unsigned int mask));
  55 void rc_dataflow_deadcode(struct radeon_compiler * c, rc_dataflow_mark_outputs_fn dce, void * userdata);
  56 void rc_dataflow_swizzles(struct radeon_compiler * c);
  57 /*@}*/
  58
  59 #endif /* RADEON_DATAFLOW_H */