src/gallium/drivers/r300/compiler/radeon_compiler_util.h

   1 /*
   2  * Copyright 2010 Tom Stellard <tstellar@gmail.com>
   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 #include "radeon_program_constants.h"
  29
  30 #ifndef RADEON_PROGRAM_UTIL_H
  31 #define RADEON_PROGRAM_UTIL_H
  32
  33 #include "radeon_opcodes.h"
  34
  35 struct radeon_compiler;
  36 struct rc_instruction;
  37 struct rc_pair_instruction;
  38 struct rc_pair_sub_instruction;
  39 struct rc_src_register;
  40
  41 unsigned int rc_swizzle_to_writemask(unsigned int swz);
  42
  43 rc_swizzle get_swz(unsigned int swz, rc_swizzle idx);
  44
  45 unsigned int rc_init_swizzle(unsigned int initial_value, unsigned int channels);
  46
  47 unsigned int combine_swizzles4(unsigned int src,
  48                                rc_swizzle swz_x, rc_swizzle swz_y,
  49                                rc_swizzle swz_z, rc_swizzle swz_w);
  50
  51 unsigned int combine_swizzles(unsigned int src, unsigned int swz);
  52
  53 rc_swizzle rc_mask_to_swizzle(unsigned int mask);
  54
  55 unsigned swizzle_mask(unsigned swizzle, unsigned mask);
  56
  57 unsigned int rc_adjust_channels(
  58         unsigned int old_swizzle,
  59         unsigned int conversion_swizzle);
  60
  61 void rc_pair_rewrite_writemask(
  62         struct rc_pair_sub_instruction * sub,
  63         unsigned int conversion_swizzle);
  64
  65 void rc_normal_rewrite_writemask(
  66         struct rc_instruction * inst,
  67         unsigned int conversion_swizzle);
  68
  69 unsigned int rc_rewrite_swizzle(
  70         unsigned int swizzle,
  71         unsigned int new_mask);
  72
  73 struct rc_src_register lmul_swizzle(unsigned int swizzle, struct rc_src_register srcreg);
  74
  75 void reset_srcreg(struct rc_src_register* reg);
  76
  77 unsigned int rc_src_reads_dst_mask(
  78                 rc_register_file src_file,
  79                 unsigned int src_idx,
  80                 unsigned int src_swz,
  81                 rc_register_file dst_file,
  82                 unsigned int dst_idx,
  83                 unsigned int dst_mask);
  84
  85 unsigned int rc_source_type_swz(unsigned int swizzle);
  86
  87 unsigned int rc_source_type_mask(unsigned int mask);
  88
  89 unsigned int rc_inst_can_use_presub(
  90         struct rc_instruction * inst,
  91         rc_presubtract_op presub_op,
  92         unsigned int presub_writemask,
  93         const struct rc_src_register * replace_reg,
  94         const struct rc_src_register * presub_src0,
  95         const struct rc_src_register * presub_src1);
  96
  97 int rc_get_max_index(
  98         struct radeon_compiler * c,
  99         rc_register_file file);
 100
 101 unsigned int rc_pair_remove_src(
 102         struct rc_instruction * inst,
 103         unsigned int src_type,
 104         unsigned int source,
 105         unsigned int new_readmask);
 106
 107 rc_opcode rc_get_flow_control_inst(struct rc_instruction * inst);
 108
 109 struct rc_instruction * rc_match_endloop(struct rc_instruction * endloop);
 110 struct rc_instruction * rc_match_bgnloop(struct rc_instruction * bgnloop);
 111
 112 unsigned int rc_make_conversion_swizzle(
 113         unsigned int old_mask,
 114         unsigned int new_mask);
 115
 116 unsigned int rc_src_reg_is_immediate(
 117         struct radeon_compiler * c,
 118         unsigned int file,
 119         unsigned int index);
 120
 121 float rc_get_constant_value(
 122         struct radeon_compiler * c,
 123         unsigned int index,
 124         unsigned int swizzle,
 125         unsigned int negate,
 126         unsigned int chan);
 127
 128 unsigned int rc_get_scalar_src_swz(unsigned int swizzle);
 129
 130 #endif /* RADEON_PROGRAM_UTIL_H */