src/gallium/drivers/r300/compiler/r300_fragprog.c

   1 /*
   2  * Copyright (C) 2005 Ben Skeggs.
   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 "r300_fragprog.h"
  29
  30 #include <stdio.h>
  31
  32 #include "r300_reg.h"
  33
  34 static void presub_string(char out[10], unsigned int inst)
  35 {
  36         switch(inst & 0x600000){
  37         case R300_ALU_SRCP_1_MINUS_2_SRC0:
  38                 sprintf(out, "bias");
  39                 break;
  40         case R300_ALU_SRCP_SRC1_MINUS_SRC0:
  41                 sprintf(out, "sub");
  42                 break;
  43         case R300_ALU_SRCP_SRC1_PLUS_SRC0:
  44                 sprintf(out, "add");
  45                 break;
  46         case R300_ALU_SRCP_1_MINUS_SRC0:
  47                 sprintf(out, "inv ");
  48                 break;
  49         }
  50 }
  51
  52 static int get_msb(unsigned int bit, unsigned int r400_ext_addr)
  53 {
  54         return (r400_ext_addr & bit) ? 1 << 5 : 0;
  55 }
  56
  57 /* just some random things... */
  58 void r300FragmentProgramDump(struct radeon_compiler *c, void *user)
  59 {
  60         struct r300_fragment_program_compiler *compiler = (struct r300_fragment_program_compiler*)c;
  61         struct r300_fragment_program_code *code = &compiler->code->code.r300;
  62         int n, i, j;
  63         static int pc = 0;
  64
  65         fprintf(stderr, "pc=%d*************************************\n", pc++);
  66
  67         fprintf(stderr, "Hardware program\n");
  68         fprintf(stderr, "----------------\n");
  69         if (c->is_r400) {
  70                 fprintf(stderr, "code_offset_ext: %08x\n", code->r400_code_offset_ext);
  71         }
  72
  73         for (n = 0; n <= (code->config & 3); n++) {
  74                 uint32_t code_addr = code->code_addr[3 - (code->config & 3) + n];
  75                 unsigned int alu_offset = ((code_addr & R300_ALU_START_MASK) >> R300_ALU_START_SHIFT) +
  76                                 (((code->r400_code_offset_ext >> (24 - (n * 6))) & 0x7) << 6);
  77                 unsigned int alu_end = ((code_addr & R300_ALU_SIZE_MASK) >> R300_ALU_SIZE_SHIFT) +
  78                                 (((code->r400_code_offset_ext >> (27 - (n * 6))) & 0x7) << 6);
  79                 int tex_offset = (code_addr & R300_TEX_START_MASK) >> R300_TEX_START_SHIFT;
  80                 int tex_end = (code_addr & R300_TEX_SIZE_MASK) >> R300_TEX_SIZE_SHIFT;
  81
  82                 fprintf(stderr, "NODE %d: alu_offset: %u, tex_offset: %d, "
  83                         "alu_end: %u, tex_end: %d  (code_addr: %08x)\n", n,
  84                         alu_offset, tex_offset, alu_end, tex_end, code_addr);
  85
  86                 if (n > 0 || (code->config & R300_PFS_CNTL_FIRST_NODE_HAS_TEX)) {
  87                         fprintf(stderr, "  TEX:\n");
  88                         for (i = tex_offset;
  89                              i <= tex_offset + tex_end;
  90                              ++i) {
  91                                 const char *instr;
  92
  93                                 switch ((code->tex.
  94                                          inst[i] >> R300_TEX_INST_SHIFT) &
  95                                         15) {
  96                                 case R300_TEX_OP_LD:
  97                                         instr = "TEX";
  98                                         break;
  99                                 case R300_TEX_OP_KIL:
 100                                         instr = "KIL";
 101                                         break;
 102                                 case R300_TEX_OP_TXP:
 103                                         instr = "TXP";
 104                                         break;
 105                                 case R300_TEX_OP_TXB:
 106                                         instr = "TXB";
 107                                         break;
 108                                 default:
 109                                         instr = "UNKNOWN";
 110                                 }
 111
 112                                 fprintf(stderr,
 113                                         "    %s t%i, %c%i, texture[%i]   (%08x)\n",
 114                                         instr,
 115                                         (code->tex.
 116                                          inst[i] >> R300_DST_ADDR_SHIFT) & 31,
 117                                         't',
 118                                         (code->tex.
 119                                          inst[i] >> R300_SRC_ADDR_SHIFT) & 31,
 120                                         (code->tex.
 121                                          inst[i] & R300_TEX_ID_MASK) >>
 122                                         R300_TEX_ID_SHIFT,
 123                                         code->tex.inst[i]);
 124                         }
 125                 }
 126
 127                 for (i = alu_offset;
 128                      i <= alu_offset + alu_end; ++i) {
 129                         char srcc[4][10], dstc[20];
 130                         char srca[4][10], dsta[20];
 131                         char argc[3][20];
 132                         char arga[3][20];
 133                         char flags[5], tmp[10];
 134
 135                         for (j = 0; j < 3; ++j) {
 136                                 int regc = code->alu.inst[i].rgb_addr >> (j * 6);
 137                                 int rega = code->alu.inst[i].alpha_addr >> (j * 6);
 138                                 int msbc = get_msb(R400_ADDR_EXT_RGB_MSB_BIT(j),
 139                                         code->alu.inst[i].r400_ext_addr);
 140                                 int msba = get_msb(R400_ADDR_EXT_A_MSB_BIT(j),
 141                                         code->alu.inst[i].r400_ext_addr);
 142
 143                                 sprintf(srcc[j], "%c%i",
 144                                         (regc & 32) ? 'c' : 't', (regc & 31) | msbc);
 145                                 sprintf(srca[j], "%c%i",
 146                                         (rega & 32) ? 'c' : 't', (rega & 31) | msba);
 147                         }
 148
 149                         dstc[0] = 0;
 150                         sprintf(flags, "%s%s%s",
 151                                 (code->alu.inst[i].
 152                                  rgb_addr & R300_ALU_DSTC_REG_X) ? "x" : "",
 153                                 (code->alu.inst[i].
 154                                  rgb_addr & R300_ALU_DSTC_REG_Y) ? "y" : "",
 155                                 (code->alu.inst[i].
 156                                  rgb_addr & R300_ALU_DSTC_REG_Z) ? "z" : "");
 157                         if (flags[0] != 0) {
 158                                 unsigned int msb = get_msb(
 159                                         R400_ADDRD_EXT_RGB_MSB_BIT,
 160                                         code->alu.inst[i].r400_ext_addr);
 161
 162                                 sprintf(dstc, "t%i.%s ",
 163                                         ((code->alu.inst[i].
 164                                          rgb_addr >> R300_ALU_DSTC_SHIFT)
 165                                          & 31) | msb,
 166                                         flags);
 167                         }
 168                         sprintf(flags, "%s%s%s",
 169                                 (code->alu.inst[i].
 170                                  rgb_addr & R300_ALU_DSTC_OUTPUT_X) ? "x" : "",
 171                                 (code->alu.inst[i].
 172                                  rgb_addr & R300_ALU_DSTC_OUTPUT_Y) ? "y" : "",
 173                                 (code->alu.inst[i].
 174                                  rgb_addr & R300_ALU_DSTC_OUTPUT_Z) ? "z" : "");
 175                         if (flags[0] != 0) {
 176                                 sprintf(tmp, "o%i.%s",
 177                                         (code->alu.inst[i].
 178                                          rgb_addr >> 29) & 3,
 179                                         flags);
 180                                 strcat(dstc, tmp);
 181                         }
 182                         /* Presub */
 183                         presub_string(srcc[3], code->alu.inst[i].rgb_inst);
 184                         presub_string(srca[3], code->alu.inst[i].alpha_inst);
 185
 186                         dsta[0] = 0;
 187                         if (code->alu.inst[i].alpha_addr & R300_ALU_DSTA_REG) {
 188                                 unsigned int msb = get_msb(
 189                                         R400_ADDRD_EXT_A_MSB_BIT,
 190                                         code->alu.inst[i].r400_ext_addr);
 191                                 sprintf(dsta, "t%i.w ",
 192                                         ((code->alu.inst[i].
 193                                          alpha_addr >> R300_ALU_DSTA_SHIFT) & 31)
 194                                          | msb);
 195                         }
 196                         if (code->alu.inst[i].alpha_addr & R300_ALU_DSTA_OUTPUT) {
 197                                 sprintf(tmp, "o%i.w ",
 198                                         (code->alu.inst[i].
 199                                          alpha_addr >> 25) & 3);
 200                                 strcat(dsta, tmp);
 201                         }
 202                         if (code->alu.inst[i].alpha_addr & R300_ALU_DSTA_DEPTH) {
 203                                 strcat(dsta, "Z");
 204                         }
 205
 206                         fprintf(stderr,
 207                                 "%3i: xyz: %3s %3s %3s %5s-> %-20s (%08x)\n"
 208                                 "       w: %3s %3s %3s %5s-> %-20s (%08x)\n", i,
 209                                 srcc[0], srcc[1], srcc[2], srcc[3], dstc,
 210                                 code->alu.inst[i].rgb_addr, srca[0], srca[1],
 211                                 srca[2], srca[3], dsta,
 212                                 code->alu.inst[i].alpha_addr);
 213
 214                         for (j = 0; j < 3; ++j) {
 215                                 int regc = code->alu.inst[i].rgb_inst >> (j * 7);
 216                                 int rega = code->alu.inst[i].alpha_inst >> (j * 7);
 217                                 int d;
 218                                 char buf[20];
 219
 220                                 d = regc & 31;
 221                                 if (d < 12) {
 222                                         switch (d % 4) {
 223                                         case R300_ALU_ARGC_SRC0C_XYZ:
 224                                                 sprintf(buf, "%s.xyz",
 225                                                         srcc[d / 4]);
 226                                                 break;
 227                                         case R300_ALU_ARGC_SRC0C_XXX:
 228                                                 sprintf(buf, "%s.xxx",
 229                                                         srcc[d / 4]);
 230                                                 break;
 231                                         case R300_ALU_ARGC_SRC0C_YYY:
 232                                                 sprintf(buf, "%s.yyy",
 233                                                         srcc[d / 4]);
 234                                                 break;
 235                                         case R300_ALU_ARGC_SRC0C_ZZZ:
 236                                                 sprintf(buf, "%s.zzz",
 237                                                         srcc[d / 4]);
 238                                                 break;
 239                                         }
 240                                 } else if (d < 15) {
 241                                         sprintf(buf, "%s.www", srca[d - 12]);
 242                                 } else if (d < 20 ) {
 243                                         switch(d) {
 244                                         case R300_ALU_ARGC_SRCP_XYZ:
 245                                                 sprintf(buf, "srcp.xyz");
 246                                                 break;
 247                                         case R300_ALU_ARGC_SRCP_XXX:
 248                                                 sprintf(buf, "srcp.xxx");
 249                                                 break;
 250                                         case R300_ALU_ARGC_SRCP_YYY:
 251                                                 sprintf(buf, "srcp.yyy");
 252                                                 break;
 253                                         case R300_ALU_ARGC_SRCP_ZZZ:
 254                                                 sprintf(buf, "srcp.zzz");
 255                                                 break;
 256                                         case R300_ALU_ARGC_SRCP_WWW:
 257                                                 sprintf(buf, "srcp.www");
 258                                                 break;
 259                                         }
 260                                 } else if (d == 20) {
 261                                         sprintf(buf, "0.0");
 262                                 } else if (d == 21) {
 263                                         sprintf(buf, "1.0");
 264                                 } else if (d == 22) {
 265                                         sprintf(buf, "0.5");
 266                                 } else if (d >= 23 && d < 32) {
 267                                         d -= 23;
 268                                         switch (d / 3) {
 269                                         case 0:
 270                                                 sprintf(buf, "%s.yzx",
 271                                                         srcc[d % 3]);
 272                                                 break;
 273                                         case 1:
 274                                                 sprintf(buf, "%s.zxy",
 275                                                         srcc[d % 3]);
 276                                                 break;
 277                                         case 2:
 278                                                 sprintf(buf, "%s.Wzy",
 279                                                         srcc[d % 3]);
 280                                                 break;
 281                                         }
 282                                 } else {
 283                                         sprintf(buf, "%i", d);
 284                                 }
 285
 286                                 sprintf(argc[j], "%s%s%s%s",
 287                                         (regc & 32) ? "-" : "",
 288                                         (regc & 64) ? "|" : "",
 289                                         buf, (regc & 64) ? "|" : "");
 290
 291                                 d = rega & 31;
 292                                 if (d < 9) {
 293                                         sprintf(buf, "%s.%c", srcc[d / 3],
 294                                                 'x' + (char)(d % 3));
 295                                 } else if (d < 12) {
 296                                         sprintf(buf, "%s.w", srca[d - 9]);
 297                                 } else if (d < 16) {
 298                                         switch(d) {
 299                                         case R300_ALU_ARGA_SRCP_X:
 300                                                 sprintf(buf, "srcp.x");
 301                                                 break;
 302                                         case R300_ALU_ARGA_SRCP_Y:
 303                                                 sprintf(buf, "srcp.y");
 304                                                 break;
 305                                         case R300_ALU_ARGA_SRCP_Z:
 306                                                 sprintf(buf, "srcp.z");
 307                                                 break;
 308                                         case R300_ALU_ARGA_SRCP_W:
 309                                                 sprintf(buf, "srcp.w");
 310                                                 break;
 311                                         }
 312                                 } else if (d == 16) {
 313                                         sprintf(buf, "0.0");
 314                                 } else if (d == 17) {
 315                                         sprintf(buf, "1.0");
 316                                 } else if (d == 18) {
 317                                         sprintf(buf, "0.5");
 318                                 } else {
 319                                         sprintf(buf, "%i", d);
 320                                 }
 321
 322                                 sprintf(arga[j], "%s%s%s%s",
 323                                         (rega & 32) ? "-" : "",
 324                                         (rega & 64) ? "|" : "",
 325                                         buf, (rega & 64) ? "|" : "");
 326                         }
 327
 328                         fprintf(stderr, "     xyz: %8s %8s %8s    op: %08x %s\n"
 329                                 "       w: %8s %8s %8s    op: %08x\n",
 330                                 argc[0], argc[1], argc[2],
 331                                 code->alu.inst[i].rgb_inst,
 332                                 code->alu.inst[i].rgb_inst & R300_ALU_INSERT_NOP ?
 333                                 "NOP" : "",
 334                                 arga[0], arga[1],arga[2],
 335                                 code->alu.inst[i].alpha_inst);
 336                 }
 337         }
 338 }