src/mesa/drivers/dri/r300/compiler/radeon_program_print.c

   1 /*
   2  * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * on the rights to use, copy, modify, merge, publish, distribute, sub
   8  * license, and/or sell copies of the Software, and to permit persons to whom
   9  * the Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  18  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  19  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  20  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE. */
  22
  23 #include "radeon_program.h"
  24
  25 #include <stdio.h>
  26
  27 static const char * textarget_to_string(rc_texture_target target)
  28 {
  29         switch(target) {
  30         case RC_TEXTURE_2D_ARRAY: return "2D_ARRAY";
  31         case RC_TEXTURE_1D_ARRAY: return "1D_ARRAY";
  32         case RC_TEXTURE_CUBE: return "CUBE";
  33         case RC_TEXTURE_3D: return "3D";
  34         case RC_TEXTURE_RECT: return "RECT";
  35         case RC_TEXTURE_2D: return "2D";
  36         case RC_TEXTURE_1D: return "1D";
  37         default: return "BAD_TEXTURE_TARGET";
  38         }
  39 }
  40
  41 static void rc_print_register(FILE * f, rc_register_file file, int index, unsigned int reladdr)
  42 {
  43         if (file == RC_FILE_NONE) {
  44                 fprintf(f, "none");
  45         } else {
  46                 const char * filename;
  47                 switch(file) {
  48                 case RC_FILE_TEMPORARY: filename = "temp"; break;
  49                 case RC_FILE_INPUT: filename = "input"; break;
  50                 case RC_FILE_OUTPUT: filename = "output"; break;
  51                 case RC_FILE_ADDRESS: filename = "addr"; break;
  52                 case RC_FILE_CONSTANT: filename = "const"; break;
  53                 default: filename = "BAD FILE"; break;
  54                 }
  55                 fprintf(f, "%s[%i%s]", filename, index, reladdr ? " + addr[0]" : "");
  56         }
  57 }
  58
  59 static void rc_print_mask(FILE * f, unsigned int mask)
  60 {
  61         if (mask & RC_MASK_X) fprintf(f, "x");
  62         if (mask & RC_MASK_Y) fprintf(f, "y");
  63         if (mask & RC_MASK_Z) fprintf(f, "z");
  64         if (mask & RC_MASK_W) fprintf(f, "w");
  65 }
  66
  67 static void rc_print_dst_register(FILE * f, struct rc_dst_register dst)
  68 {
  69         rc_print_register(f, dst.File, dst.Index, dst.RelAddr);
  70         if (dst.WriteMask != RC_MASK_XYZW) {
  71                 fprintf(f, ".");
  72                 rc_print_mask(f, dst.WriteMask);
  73         }
  74 }
  75
  76 static void rc_print_swizzle(FILE * f, unsigned int swizzle, unsigned int negate)
  77 {
  78         unsigned int comp;
  79         for(comp = 0; comp < 4; ++comp) {
  80                 rc_swizzle swz = GET_SWZ(swizzle, comp);
  81                 if (GET_BIT(negate, comp))
  82                         fprintf(f, "-");
  83                 switch(swz) {
  84                 case RC_SWIZZLE_X: fprintf(f, "x"); break;
  85                 case RC_SWIZZLE_Y: fprintf(f, "y"); break;
  86                 case RC_SWIZZLE_Z: fprintf(f, "z"); break;
  87                 case RC_SWIZZLE_W: fprintf(f, "w"); break;
  88                 case RC_SWIZZLE_ZERO: fprintf(f, "0"); break;
  89                 case RC_SWIZZLE_ONE: fprintf(f, "1"); break;
  90                 case RC_SWIZZLE_HALF: fprintf(f, "H"); break;
  91                 case RC_SWIZZLE_UNUSED: fprintf(f, "_"); break;
  92                 }
  93         }
  94 }
  95
  96 static void rc_print_src_register(FILE * f, struct rc_src_register src)
  97 {
  98         int trivial_negate = (src.Negate == RC_MASK_NONE || src.Negate == RC_MASK_XYZW);
  99
 100         if (src.Negate == RC_MASK_XYZW)
 101                 fprintf(f, "-");
 102         if (src.Abs)
 103                 fprintf(f, "|");
 104
 105         rc_print_register(f, src.File, src.Index, src.RelAddr);
 106
 107         if (src.Abs && !trivial_negate)
 108                 fprintf(f, "|");
 109
 110         if (src.Swizzle != RC_SWIZZLE_XYZW || !trivial_negate) {
 111                 fprintf(f, ".");
 112                 rc_print_swizzle(f, src.Swizzle, trivial_negate ? 0 : src.Negate);
 113         }
 114
 115         if (src.Abs && trivial_negate)
 116                 fprintf(f, "|");
 117 }
 118
 119 static void rc_print_instruction(FILE * f, struct rc_instruction * inst)
 120 {
 121         const struct rc_opcode_info * opcode = rc_get_opcode_info(inst->I.Opcode);
 122         unsigned int reg;
 123
 124         fprintf(f, "%s", opcode->Name);
 125
 126         switch(inst->I.SaturateMode) {
 127         case RC_SATURATE_NONE: break;
 128         case RC_SATURATE_ZERO_ONE: fprintf(f, "_SAT"); break;
 129         case RC_SATURATE_MINUS_PLUS_ONE: fprintf(f, "_SAT2"); break;
 130         default: fprintf(f, "_BAD_SAT"); break;
 131         }
 132
 133         if (opcode->HasDstReg) {
 134                 fprintf(f, " ");
 135                 rc_print_dst_register(f, inst->I.DstReg);
 136                 if (opcode->NumSrcRegs)
 137                         fprintf(f, ",");
 138         }
 139
 140         for(reg = 0; reg < opcode->NumSrcRegs; ++reg) {
 141                 if (reg > 0)
 142                         fprintf(f, ",");
 143                 fprintf(f, " ");
 144                 rc_print_src_register(f, inst->I.SrcReg[reg]);
 145         }
 146
 147         if (opcode->HasTexture) {
 148                 fprintf(f, ", %s%s[%u]",
 149                         textarget_to_string(inst->I.TexSrcTarget),
 150                         inst->I.TexShadow ? "SHADOW" : "",
 151                         inst->I.TexSrcUnit);
 152         }
 153
 154         fprintf(f, ";\n");
 155 }
 156
 157 /**
 158  * Print program to stderr, default options.
 159  */
 160 void rc_print_program(const struct rc_program *prog)
 161 {
 162         unsigned int linenum = 0;
 163         struct rc_instruction *inst;
 164
 165         fprintf(stderr, "# Radeon Compiler Program\n");
 166
 167         for(inst = prog->Instructions.Next; inst != &prog->Instructions; inst = inst->Next) {
 168                 fprintf(stderr, "%3d: ", linenum);
 169
 170                 rc_print_instruction(stderr, inst);
 171
 172                 linenum++;
 173         }
 174 }