dlls/d3dcompiler_43/asmshader.l

   1 /*
   2  * Direct3D shader assembler
   3  *
   4  * Copyright 2008 Stefan Dösinger
   5  * Copyright 2009 Matteo Bruni
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 %{
  23 #include "config.h"
  24 #include "wine/port.h"
  25 #include "wine/debug.h"
  26
  27 #include "d3dcompiler_private.h"
  28 #include "asmshader.tab.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(asmshader);
  31 %}
  32
  33 %option noyywrap
  34 %option prefix="asmshader_"
  35 %option noinput nounput
  36
  37 /* Swizzles and writemasks consist of a dot and up to 4 x, y, z or w characters,
  38  * or up to 4 a, r, g, b characters. There are different rules for swizzles and
  39  * writemasks wrt repetition, those are handled in the grammar.
  40  */
  41 DOT                     \.
  42 COMPONENT               [xyzw]|[rgba]
  43
  44 /* Registers */
  45 REG_TEMP                r[0-9]+
  46 /* for relative addressing in the form o[x], v[x] and c[x] */
  47 REG_OUTPUT              o[0-9]*
  48 REG_INPUT               v[0-9]*
  49 REG_CONSTFLOAT          c[0-9]*
  50 REG_CONSTINT            i[0-9]+
  51 REG_CONSTBOOL           b[0-9]+
  52 REG_TEXTURE             t[0-9]+
  53 REG_TEXCRDOUT           oT[0-9]+
  54 REG_SAMPLER             s[0-9]+
  55 REG_OPOS                oPos
  56 REG_OFOG                oFog
  57 REG_OPTS                oPts
  58 REG_VERTEXCOLOR         oD[01]
  59 REG_FRAGCOLOR           oC[0-9]+
  60 REG_FRAGDEPTH           oDepth
  61 REG_VPOS                vPos
  62 REG_VFACE               vFace
  63 REG_ADDRESS             a0
  64 REG_LOOP                aL
  65 REG_PREDICATE           p0
  66 /* Not really a register, but it is considered as such */
  67 REG_LABEL               l[0-9]+
  68
  69 DCL_POSITION            _position[0-9]*
  70 DCL_BLENDWEIGHT         _blendweight[0-9]*
  71 DCL_BLENDINDICES        _blendindices[0-9]*
  72 DCL_NORMAL              _normal[0-9]*
  73 DCL_PSIZE               _psize[0-9]*
  74 DCL_TEXCOORD            _texcoord[0-9]*
  75 DCL_TANGENT             _tangent[0-9]*
  76 DCL_BINORMAL            _binormal[0-9]*
  77 DCL_TESSFACTOR          _tessfactor[0-9]*
  78 DCL_POSITIONT           _positiont[0-9]*
  79 DCL_COLOR               _color[0-9]*
  80 DCL_FOG                 _fog[0-9]*
  81 DCL_DEPTH               _depth[0-9]*
  82 DCL_SAMPLE              _sample[0-9]*
  83
  84 DCL_SAMPLER1D           _1d
  85 DCL_SAMPLER2D           _2d
  86 DCL_SAMPLERCUBE         _cube
  87 DCL_SAMPLERVOLUME       _volume
  88
  89 PREPROCESSORDIRECTIVE   #[^\n]*\n
  90
  91 /* Comments */
  92 DOUBLESLASHCOMMENT      "//"[^\n]*
  93 SEMICOLONCOMMENT        ";"[^\n]*
  94
  95 /* Whitespaces are spaces, tabs and newlines */
  96 WHITESPACE              [ \t]+
  97 NEWLINE                 (\n)|(\r\n)
  98
  99 COMMA                   ","
 100
 101 IMMVAL                  \-?(([0-9]+\.?)|([0-9]*\.[0-9]+))(f)?
 102
 103 ANY                     (.)
 104
 105 %%
 106
 107     /* Common instructions(vertex and pixel shaders) */
 108 add                     {return INSTR_ADD;          }
 109 nop                     {return INSTR_NOP;          }
 110 mov                     {return INSTR_MOV;          }
 111 sub                     {return INSTR_SUB;          }
 112 mad                     {return INSTR_MAD;          }
 113 mul                     {return INSTR_MUL;          }
 114 rcp                     {return INSTR_RCP;          }
 115 rsq                     {return INSTR_RSQ;          }
 116 dp3                     {return INSTR_DP3;          }
 117 dp4                     {return INSTR_DP4;          }
 118 min                     {return INSTR_MIN;          }
 119 max                     {return INSTR_MAX;          }
 120 slt                     {return INSTR_SLT;          }
 121 sge                     {return INSTR_SGE;          }
 122 abs                     {return INSTR_ABS;          }
 123 exp                     {return INSTR_EXP;          }
 124 log                     {return INSTR_LOG;          }
 125 expp                    {return INSTR_EXPP;         }
 126 logp                    {return INSTR_LOGP;         }
 127 dst                     {return INSTR_DST;          }
 128 lrp                     {return INSTR_LRP;          }
 129 frc                     {return INSTR_FRC;          }
 130 pow                     {return INSTR_POW;          }
 131 crs                     {return INSTR_CRS;          }
 132 sgn                     {return INSTR_SGN;          }
 133 nrm                     {return INSTR_NRM;          }
 134 sincos                  {return INSTR_SINCOS;       }
 135 m4x4                    {return INSTR_M4x4;         }
 136 m4x3                    {return INSTR_M4x3;         }
 137 m3x4                    {return INSTR_M3x4;         }
 138 m3x3                    {return INSTR_M3x3;         }
 139 m3x2                    {return INSTR_M3x2;         }
 140 dcl                     {return INSTR_DCL;          }
 141 def                     {return INSTR_DEF;          }
 142 defb                    {return INSTR_DEFB;         }
 143 defi                    {return INSTR_DEFI;         }
 144 rep                     {return INSTR_REP;          }
 145 endrep                  {return INSTR_ENDREP;       }
 146 if                      {return INSTR_IF;           }
 147 else                    {return INSTR_ELSE;         }
 148 endif                   {return INSTR_ENDIF;        }
 149 break                   {return INSTR_BREAK;        }
 150 breakp                  {return INSTR_BREAKP;       }
 151 call                    {return INSTR_CALL;         }
 152 callnz                  {return INSTR_CALLNZ;       }
 153 loop                    {return INSTR_LOOP;         }
 154 ret                     {return INSTR_RET;          }
 155 endloop                 {return INSTR_ENDLOOP;      }
 156 label                   {return INSTR_LABEL;        }
 157 setp                    {return INSTR_SETP;         }
 158 texldl                  {return INSTR_TEXLDL;       }
 159
 160     /* Vertex shader only instructions  */
 161 lit                     {return INSTR_LIT;          }
 162 mova                    {return INSTR_MOVA;         }
 163
 164     /* Pixel shader only instructions   */
 165 cnd                     {return INSTR_CND;          }
 166 cmp                     {return INSTR_CMP;          }
 167 dp2add                  {return INSTR_DP2ADD;       }
 168 texcoord                {return INSTR_TEXCOORD;     }
 169 texcrd                  {return INSTR_TEXCRD;       }
 170 texkill                 {return INSTR_TEXKILL;      }
 171 tex                     {return INSTR_TEX;          }
 172 texld                   {return INSTR_TEXLD;        }
 173 texbem                  {return INSTR_TEXBEM;       }
 174 texbeml                 {return INSTR_TEXBEML;      }
 175 texreg2ar               {return INSTR_TEXREG2AR;    }
 176 texreg2gb               {return INSTR_TEXREG2GB;    }
 177 texreg2rgb              {return INSTR_TEXREG2RGB;   }
 178 texm3x2pad              {return INSTR_TEXM3x2PAD;   }
 179 texm3x2tex              {return INSTR_TEXM3x2TEX;   }
 180 texm3x3pad              {return INSTR_TEXM3x3PAD;   }
 181 texm3x3spec             {return INSTR_TEXM3x3SPEC;  }
 182 texm3x3vspec            {return INSTR_TEXM3x3VSPEC; }
 183 texm3x3tex              {return INSTR_TEXM3x3TEX;   }
 184 texdp3tex               {return INSTR_TEXDP3TEX;    }
 185 texm3x2depth            {return INSTR_TEXM3x2DEPTH; }
 186 texdp3                  {return INSTR_TEXDP3;       }
 187 texm3x3                 {return INSTR_TEXM3x3;      }
 188 texdepth                {return INSTR_TEXDEPTH;     }
 189 bem                     {return INSTR_BEM;          }
 190 dsx                     {return INSTR_DSX;          }
 191 dsy                     {return INSTR_DSY;          }
 192 texldp                  {return INSTR_TEXLDP;       }
 193 texldb                  {return INSTR_TEXLDB;       }
 194 texldd                  {return INSTR_TEXLDD;       }
 195 phase                   {return INSTR_PHASE;        }
 196
 197 {REG_TEMP}              {
 198                             asmshader_lval.regnum = atoi(yytext + 1);
 199                             return REG_TEMP;
 200                         }
 201 {REG_OUTPUT}            {
 202                             asmshader_lval.regnum = atoi(yytext + 1);
 203                             return REG_OUTPUT;
 204                         }
 205 {REG_INPUT}             {
 206                             asmshader_lval.regnum = atoi(yytext + 1);
 207                             return REG_INPUT;
 208                         }
 209 {REG_CONSTFLOAT}        {
 210                             asmshader_lval.regnum = atoi(yytext + 1);
 211                             return REG_CONSTFLOAT;
 212                         }
 213 {REG_CONSTINT}          {
 214                             asmshader_lval.regnum = atoi(yytext + 1);
 215                             return REG_CONSTINT;
 216                         }
 217 {REG_CONSTBOOL}         {
 218                             asmshader_lval.regnum = atoi(yytext + 1);
 219                             return REG_CONSTBOOL;
 220                         }
 221 {REG_TEXTURE}           {
 222                             asmshader_lval.regnum = atoi(yytext + 1);
 223                             return REG_TEXTURE;
 224                         }
 225 {REG_TEXCRDOUT}         {
 226                             asmshader_lval.regnum = atoi(yytext + 2);
 227                             return REG_TEXCRDOUT;
 228                         }
 229 {REG_SAMPLER}           {
 230                             asmshader_lval.regnum = atoi(yytext + 1);
 231                             return REG_SAMPLER;
 232                         }
 233 {REG_OPOS}              {return REG_OPOS;           }
 234 {REG_OFOG}              {return REG_OFOG;           }
 235 {REG_OPTS}              {return REG_OPTS;           }
 236 {REG_VERTEXCOLOR}       {
 237                             asmshader_lval.regnum = atoi(yytext + 2);
 238                             return REG_VERTEXCOLOR;
 239                         }
 240 {REG_FRAGCOLOR}         {
 241                             asmshader_lval.regnum = atoi(yytext + 2);
 242                             return REG_FRAGCOLOR;
 243                         }
 244 {REG_FRAGDEPTH}         {return REG_FRAGDEPTH;      }
 245 {REG_VPOS}              {return REG_VPOS;           }
 246 {REG_VFACE}             {return REG_VFACE;          }
 247 {REG_ADDRESS}           {return REG_ADDRESS;        }
 248 {REG_LOOP}              {return REG_LOOP;           }
 249 {REG_PREDICATE}         {return REG_PREDICATE;      }
 250
 251 {REG_LABEL}             {
 252                             asmshader_lval.regnum = atoi(yytext + 1);
 253                             return REG_LABEL;
 254                         }
 255
 256     /* Shader versions. These are important to select the correct
 257      * parser profile.
 258      */
 259 vs\.1\.0|vs_1_0         {return VER_VS10;       }
 260 vs\.1\.1|vs_1_1         {return VER_VS11;       }
 261
 262 vs\.2\.0|vs_2_0         {return VER_VS20;       }
 263 vs\.2\.x|vs_2_x         {return VER_VS2X;       }
 264 vs\.3\.0|vs_3_0         {return VER_VS30;       }
 265
 266 ps\.1\.0|ps_1_0         {return VER_PS10;       }
 267 ps\.1\.1|ps_1_1         {return VER_PS11;       }
 268 ps\.1\.2|ps_1_2         {return VER_PS12;       }
 269 ps\.1\.3|ps_1_3         {return VER_PS13;       }
 270 ps\.1\.4|ps_1_4         {return VER_PS14;       }
 271
 272 ps\.2\.0|ps_2_0         {return VER_PS20;       }
 273 ps\.2\.x|ps_2_x         {return VER_PS2X;       }
 274 ps\.3\.0|ps_3_0         {return VER_PS30;       }
 275
 276 {DOT}                   {return yytext[0];      }
 277 {COMPONENT}             {
 278                             switch(yytext[0]) {
 279                                 case 'x':
 280                                 case 'r':
 281                                     asmshader_lval.component = 0;
 282                                     break;
 283                                 case 'y':
 284                                 case 'g':
 285                                     asmshader_lval.component = 1;
 286                                     break;
 287                                 case 'z':
 288                                 case 'b':
 289                                     asmshader_lval.component = 2;
 290                                     break;
 291                                 case 'w':
 292                                 case 'a':
 293                                     asmshader_lval.component = 3;
 294                                     break;
 295                             }
 296                             return COMPONENT;
 297                         }
 298
 299     /* Output modifiers */
 300 \_x2                    {return SHIFT_X2;           }
 301 \_x4                    {return SHIFT_X4;           }
 302 \_x8                    {return SHIFT_X8;           }
 303 \_d2                    {return SHIFT_D2;           }
 304 \_d4                    {return SHIFT_D4;           }
 305 \_d8                    {return SHIFT_D8;           }
 306 \_sat                   {return MOD_SAT;            }
 307 \_pp                    {return MOD_PP;             }
 308 \_centroid              {return MOD_CENTROID;       }
 309
 310     /* compare params */
 311 \_gt                    {return COMP_GT;            }
 312 \_lt                    {return COMP_LT;            }
 313 \_ge                    {return COMP_GE;            }
 314 \_le                    {return COMP_LE;            }
 315 \_eq                    {return COMP_EQ;            }
 316 \_ne                    {return COMP_NE;            }
 317
 318 {IMMVAL}                {
 319                             asmshader_lval.immval.val = atof(yytext);
 320                             asmshader_lval.immval.integer = ((strstr(yytext, ".") == NULL) && (strstr(yytext, "f") == NULL));
 321                             return IMMVAL;
 322                         }
 323 true                    {
 324                             asmshader_lval.immbool = TRUE;
 325                             return IMMBOOL;
 326                         }
 327 false                   {
 328                             asmshader_lval.immbool = FALSE;
 329                             return IMMBOOL;
 330                         }
 331
 332 {COMMA}                 {return yytext[0];          }
 333 -                       {return yytext[0];          }
 334 \(                      {return yytext[0];          }
 335 \)                      {return yytext[0];          }
 336
 337     /* for relative addressing */
 338 \[|\]|\+                {return yytext[0];          }
 339
 340 \_bias                  {return SMOD_BIAS;          }
 341     /* No _x2 here; it is identical to MOD_X2 */
 342 \_bx2                   {return SMOD_SCALEBIAS;     }
 343 \_dz                    {return SMOD_DZ;            }
 344 \_dw                    {return SMOD_DW;            }
 345 \_abs                   {return SMOD_ABS;           }
 346
 347 !                       {return SMOD_NOT;           }
 348
 349 {DCL_POSITION}          {
 350                             if(yytext[strlen("_position")] == '\0') {
 351                                 asmshader_lval.regnum = 0;
 352                             } else {
 353                                 asmshader_lval.regnum = atoi(yytext + strlen("_position"));
 354                             }
 355                             return USAGE_POSITION;
 356                         }
 357 {DCL_BLENDWEIGHT}       {
 358                             if(yytext[strlen("_blendweight")] == '\0') {
 359                                 asmshader_lval.regnum = 0;
 360                             } else {
 361                                 asmshader_lval.regnum = atoi(yytext + strlen("_blendweight"));
 362                             }
 363                             return USAGE_BLENDWEIGHT;
 364                         }
 365 {DCL_BLENDINDICES}      {
 366                             if(yytext[strlen("_blendindices")] == '\0') {
 367                                 asmshader_lval.regnum = 0;
 368                             } else {
 369                                 asmshader_lval.regnum = atoi(yytext + strlen("_blendindices"));
 370                             }
 371                             return USAGE_BLENDINDICES;
 372                         }
 373 {DCL_NORMAL}            {
 374                             if(yytext[strlen("_normal")] == '\0') {
 375                                 asmshader_lval.regnum = 0;
 376                             } else {
 377                                 asmshader_lval.regnum = atoi(yytext + strlen("_normal"));
 378                             }
 379                             return USAGE_NORMAL;
 380                         }
 381 {DCL_PSIZE}             {
 382                             if(yytext[strlen("_psize")] == '\0') {
 383                                 asmshader_lval.regnum = 0;
 384                             } else {
 385                                 asmshader_lval.regnum = atoi(yytext + strlen("_psize"));
 386                             }
 387                             return USAGE_PSIZE;
 388                         }
 389 {DCL_TEXCOORD}          {
 390                             if(yytext[strlen("_texcoord")] == '\0') {
 391                                 asmshader_lval.regnum = 0;
 392                             } else {
 393                                 asmshader_lval.regnum = atoi(yytext + strlen("_texcoord"));
 394                             }
 395                             return USAGE_TEXCOORD;
 396                         }
 397 {DCL_TANGENT}           {
 398                             if(yytext[strlen("_tangent")] == '\0') {
 399                                 asmshader_lval.regnum = 0;
 400                             } else {
 401                                 asmshader_lval.regnum = atoi(yytext + strlen("_tangent"));
 402                             }
 403                             return USAGE_TANGENT;
 404                         }
 405 {DCL_BINORMAL}          {
 406                             if(yytext[strlen("_binormal")] == '\0') {
 407                                 asmshader_lval.regnum = 0;
 408                             } else {
 409                                 asmshader_lval.regnum = atoi(yytext + strlen("_binormal"));
 410                             }
 411                             return USAGE_BINORMAL;
 412                         }
 413 {DCL_TESSFACTOR}        {
 414                             if(yytext[strlen("_tessfactor")] == '\0') {
 415                                 asmshader_lval.regnum = 0;
 416                             } else {
 417                                 asmshader_lval.regnum = atoi(yytext + strlen("_tessfactor"));
 418                             }
 419                             return USAGE_TESSFACTOR;
 420                         }
 421 {DCL_POSITIONT}         {
 422                             if(yytext[strlen("_positiont")] == '\0') {
 423                                 asmshader_lval.regnum = 0;
 424                             } else {
 425                                 asmshader_lval.regnum = atoi(yytext + strlen("_positiont"));
 426                             }
 427                             return USAGE_POSITIONT;
 428                         }
 429 {DCL_COLOR}             {
 430                             if(yytext[strlen("_color")] == '\0') {
 431                                 asmshader_lval.regnum = 0;
 432                             } else {
 433                                 asmshader_lval.regnum = atoi(yytext + strlen("_color"));
 434                             }
 435                             return USAGE_COLOR;
 436                         }
 437 {DCL_FOG}               {
 438                             if(yytext[strlen("_fog")] == '\0') {
 439                                 asmshader_lval.regnum = 0;
 440                             } else {
 441                                 asmshader_lval.regnum = atoi(yytext + strlen("_fog"));
 442                             }
 443                             return USAGE_FOG;
 444                         }
 445 {DCL_DEPTH}             {
 446                             if(yytext[strlen("_depth")] == '\0') {
 447                                 asmshader_lval.regnum = 0;
 448                             } else {
 449                                 asmshader_lval.regnum = atoi(yytext + strlen("_depth"));
 450                             }
 451                             return USAGE_DEPTH;
 452                         }
 453 {DCL_SAMPLE}            {
 454                             if(yytext[strlen("_sample")] == '\0') {
 455                                 asmshader_lval.regnum = 0;
 456                             } else {
 457                                 asmshader_lval.regnum = atoi(yytext + strlen("_sample"));
 458                             }
 459                             return USAGE_SAMPLE;
 460                         }
 461
 462 {DCL_SAMPLER1D}         { return SAMPTYPE_1D;       }
 463 {DCL_SAMPLER2D}         { return SAMPTYPE_2D;       }
 464 {DCL_SAMPLERCUBE}       { return SAMPTYPE_CUBE;     }
 465 {DCL_SAMPLERVOLUME}     { return SAMPTYPE_VOLUME;   }
 466
 467 {PREPROCESSORDIRECTIVE} {
 468                             /* TODO: update current line information */
 469                             TRACE("line info update: %s", yytext);
 470                         }
 471
 472     /* Skip comments */
 473 {DOUBLESLASHCOMMENT}    {                           }
 474 {SEMICOLONCOMMENT}      {                           }
 475
 476 {WHITESPACE}            { /* Do nothing */          }
 477 {NEWLINE}               {
 478                             asm_ctx.line_no++;
 479                         }
 480
 481 {ANY}                   {
 482                             asmparser_message(&asm_ctx, "Line %u: Unexpected input %s\n", asm_ctx.line_no, yytext);
 483                             set_parse_status(&asm_ctx, PARSE_ERR);
 484                         }
 485
 486 %%
 487
 488 struct bwriter_shader *SlAssembleShader(const char *text, char **messages) {
 489     struct bwriter_shader *ret = NULL;
 490     YY_BUFFER_STATE buffer;
 491     TRACE("%p, %p\n", text, messages);
 492
 493     buffer = asmshader__scan_string(text);
 494     asmshader__switch_to_buffer(buffer);
 495
 496     ret = parse_asm_shader(messages);
 497
 498     asmshader__delete_buffer(buffer);
 499
 500     return ret;
 501 }