dlls/d3dcompiler_43/asmparser.c

   1 /*
   2  * Direct3D asm shader parser
   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
  29 WINE_DEFAULT_DEBUG_CHANNEL(asmshader);
  30 WINE_DECLARE_DEBUG_CHANNEL(parsed_shader);
  31
  32
  33 /* How to map vs 1.0 and 2.0 varyings to 3.0 ones
  34  * oTx is mapped to ox, which happens to be an
  35  * identical mapping since BWRITERSPR_TEXCRDOUT == BWRITERSPR_OUTPUT
  36  * oPos, oFog and point size are mapped to general output regs as well.
  37  * the vs 1.x and 2.x parser functions add varying declarations
  38  * to the shader, and the 1.x and 2.x output functions check those varyings
  39  */
  40 #define OT0_REG         0
  41 #define OT1_REG         1
  42 #define OT2_REG         2
  43 #define OT3_REG         3
  44 #define OT4_REG         4
  45 #define OT5_REG         5
  46 #define OT6_REG         6
  47 #define OT7_REG         7
  48 #define OPOS_REG        8
  49 #define OFOG_REG        9
  50 #define OFOG_WRITEMASK  BWRITERSP_WRITEMASK_0
  51 #define OPTS_REG        9
  52 #define OPTS_WRITEMASK  BWRITERSP_WRITEMASK_1
  53 #define OD0_REG         10
  54 #define OD1_REG         11
  55
  56 /* Input color registers 0-1 are identically mapped */
  57 #define C0_VARYING      0
  58 #define C1_VARYING      1
  59 #define T0_VARYING      2
  60 #define T1_VARYING      3
  61 #define T2_VARYING      4
  62 #define T3_VARYING      5
  63 #define T4_VARYING      6
  64 #define T5_VARYING      7
  65 #define T6_VARYING      8
  66 #define T7_VARYING      9
  67
  68 /****************************************************************
  69  * Common(non-version specific) shader parser control code      *
  70  ****************************************************************/
  71
  72 static void asmparser_end(struct asm_parser *This) {
  73     TRACE("Finalizing shader\n");
  74 }
  75
  76 static void asmparser_constF(struct asm_parser *This, DWORD reg, float x, float y, float z, float w) {
  77     if(!This->shader) return;
  78     TRACE("Adding float constant %u at pos %u\n", reg, This->shader->num_cf);
  79     TRACE_(parsed_shader)("def c%u, %f, %f, %f, %f\n", reg, x, y, z, w);
  80     if(!add_constF(This->shader, reg, x, y, z, w)) {
  81         ERR("Out of memory\n");
  82         set_parse_status(This, PARSE_ERR);
  83     }
  84 }
  85
  86 static void asmparser_constB(struct asm_parser *This, DWORD reg, BOOL x) {
  87     if(!This->shader) return;
  88     TRACE("Adding boolean constant %u at pos %u\n", reg, This->shader->num_cb);
  89     TRACE_(parsed_shader)("def b%u, %s\n", reg, x ? "true" : "false");
  90     if(!add_constB(This->shader, reg, x)) {
  91         ERR("Out of memory\n");
  92         set_parse_status(This, PARSE_ERR);
  93     }
  94 }
  95
  96 static void asmparser_constI(struct asm_parser *This, DWORD reg, INT x, INT y, INT z, INT w) {
  97     if(!This->shader) return;
  98     TRACE("Adding integer constant %u at pos %u\n", reg, This->shader->num_ci);
  99     TRACE_(parsed_shader)("def i%u, %d, %d, %d, %d\n", reg, x, y, z, w);
 100     if(!add_constI(This->shader, reg, x, y, z, w)) {
 101         ERR("Out of memory\n");
 102         set_parse_status(This, PARSE_ERR);
 103     }
 104 }
 105
 106 static void asmparser_dcl_output(struct asm_parser *This, DWORD usage, DWORD num,
 107                                  const struct shader_reg *reg) {
 108     if(!This->shader) return;
 109     if(This->shader->type == ST_PIXEL) {
 110         asmparser_message(This, "Line %u: Output register declared in a pixel shader\n", This->line_no);
 111         set_parse_status(This, PARSE_ERR);
 112     }
 113     if(!record_declaration(This->shader, usage, num, 0, TRUE, reg->regnum, reg->u.writemask, FALSE)) {
 114         ERR("Out of memory\n");
 115         set_parse_status(This, PARSE_ERR);
 116     }
 117 }
 118
 119 static void asmparser_dcl_output_unsupported(struct asm_parser *This, DWORD usage, DWORD num,
 120                                              const struct shader_reg *reg) {
 121     asmparser_message(This, "Line %u: Output declaration unsupported in this shader version\n", This->line_no);
 122     set_parse_status(This, PARSE_ERR);
 123 }
 124
 125 static void asmparser_dcl_input(struct asm_parser *This, DWORD usage, DWORD num,
 126                                 DWORD mod, const struct shader_reg *reg) {
 127     struct instruction instr;
 128
 129     if(!This->shader) return;
 130     if(mod != 0 &&
 131        (This->shader->version != BWRITERPS_VERSION(3, 0) ||
 132         (mod != BWRITERSPDM_MSAMPCENTROID &&
 133          mod != BWRITERSPDM_PARTIALPRECISION))) {
 134         asmparser_message(This, "Line %u: Unsupported modifier in dcl instruction\n", This->line_no);
 135         set_parse_status(This, PARSE_ERR);
 136         return;
 137     }
 138
 139     /* Check register type and modifiers */
 140     instr.dstmod = mod;
 141     instr.shift = 0;
 142     This->funcs->dstreg(This, &instr, reg);
 143
 144     if(!record_declaration(This->shader, usage, num, mod, FALSE, reg->regnum, reg->u.writemask, FALSE)) {
 145         ERR("Out of memory\n");
 146         set_parse_status(This, PARSE_ERR);
 147     }
 148 }
 149
 150 static void asmparser_dcl_input_ps_2(struct asm_parser *This, DWORD usage, DWORD num,
 151                                      DWORD mod, const struct shader_reg *reg) {
 152     struct instruction instr;
 153
 154     if(!This->shader) return;
 155     instr.dstmod = mod;
 156     instr.shift = 0;
 157     This->funcs->dstreg(This, &instr, reg);
 158     if(!record_declaration(This->shader, usage, num, mod, FALSE, instr.dst.regnum, instr.dst.u.writemask, FALSE)) {
 159         ERR("Out of memory\n");
 160         set_parse_status(This, PARSE_ERR);
 161     }
 162 }
 163
 164 static void asmparser_dcl_input_unsupported(struct asm_parser *This,
 165         DWORD usage, DWORD num, DWORD mod, const struct shader_reg *reg)
 166 {
 167     asmparser_message(This, "Line %u: Input declaration unsupported in this shader version\n", This->line_no);
 168     set_parse_status(This, PARSE_ERR);
 169 }
 170
 171 static void asmparser_dcl_sampler(struct asm_parser *This, DWORD samptype,
 172                                   DWORD mod, DWORD regnum,
 173                                   unsigned int line_no) {
 174     if(!This->shader) return;
 175     if(mod != 0 &&
 176        (This->shader->version != BWRITERPS_VERSION(3, 0) ||
 177         (mod != BWRITERSPDM_MSAMPCENTROID &&
 178          mod != BWRITERSPDM_PARTIALPRECISION))) {
 179         asmparser_message(This, "Line %u: Unsupported modifier in dcl instruction\n", This->line_no);
 180         set_parse_status(This, PARSE_ERR);
 181         return;
 182     }
 183     if(!record_sampler(This->shader, samptype, mod, regnum)) {
 184         ERR("Out of memory\n");
 185         set_parse_status(This, PARSE_ERR);
 186     }
 187 }
 188
 189 static void asmparser_dcl_sampler_unsupported(struct asm_parser *This,
 190         DWORD samptype, DWORD mod, DWORD regnum, unsigned int line_no)
 191 {
 192     asmparser_message(This, "Line %u: Sampler declaration unsupported in this shader version\n", This->line_no);
 193     set_parse_status(This, PARSE_ERR);
 194 }
 195
 196 static void asmparser_sincos(struct asm_parser *This, DWORD mod, DWORD shift,
 197                              const struct shader_reg *dst,
 198                              const struct src_regs *srcs) {
 199     struct instruction *instr;
 200
 201     if(!srcs || srcs->count != 3) {
 202         asmparser_message(This, "Line %u: sincos (vs 2) has an incorrect number of source registers\n", This->line_no);
 203         set_parse_status(This, PARSE_ERR);
 204         return;
 205     }
 206
 207     instr = alloc_instr(3);
 208     if(!instr) {
 209         ERR("Error allocating memory for the instruction\n");
 210         set_parse_status(This, PARSE_ERR);
 211         return;
 212     }
 213
 214     instr->opcode = BWRITERSIO_SINCOS;
 215     instr->dstmod = mod;
 216     instr->shift = shift;
 217     instr->comptype = 0;
 218
 219     This->funcs->dstreg(This, instr, dst);
 220     This->funcs->srcreg(This, instr, 0, &srcs->reg[0]);
 221     This->funcs->srcreg(This, instr, 1, &srcs->reg[1]);
 222     This->funcs->srcreg(This, instr, 2, &srcs->reg[2]);
 223
 224     if(!add_instruction(This->shader, instr)) {
 225         ERR("Out of memory\n");
 226         set_parse_status(This, PARSE_ERR);
 227     }
 228 }
 229
 230 static struct shader_reg map_oldps_register(const struct shader_reg *reg, BOOL tex_varying) {
 231     struct shader_reg ret;
 232     switch(reg->type) {
 233         case BWRITERSPR_TEXTURE:
 234             if(tex_varying) {
 235                 ret = *reg;
 236                 ret.type = BWRITERSPR_INPUT;
 237                 switch(reg->regnum) {
 238                     case 0:     ret.regnum = T0_VARYING; break;
 239                     case 1:     ret.regnum = T1_VARYING; break;
 240                     case 2:     ret.regnum = T2_VARYING; break;
 241                     case 3:     ret.regnum = T3_VARYING; break;
 242                     case 4:     ret.regnum = T4_VARYING; break;
 243                     case 5:     ret.regnum = T5_VARYING; break;
 244                     case 6:     ret.regnum = T6_VARYING; break;
 245                     case 7:     ret.regnum = T7_VARYING; break;
 246                     default:
 247                         FIXME("Unexpected TEXTURE register t%u\n", reg->regnum);
 248                         return *reg;
 249                 }
 250                 return ret;
 251             } else {
 252                 ret = *reg;
 253                 ret.type = BWRITERSPR_TEMP;
 254                 switch(reg->regnum) {
 255                     case 0:     ret.regnum = T0_REG; break;
 256                     case 1:     ret.regnum = T1_REG; break;
 257                     case 2:     ret.regnum = T2_REG; break;
 258                     case 3:     ret.regnum = T3_REG; break;
 259                     default:
 260                         FIXME("Unexpected TEXTURE register t%u\n", reg->regnum);
 261                         return *reg;
 262                 }
 263                 return ret;
 264             }
 265
 266         /* case BWRITERSPR_INPUT - Identical mapping of 1.x/2.0 color varyings
 267            to 3.0 ones */
 268
 269         default: return *reg;
 270     }
 271 }
 272
 273 static void asmparser_texcoord(struct asm_parser *This, DWORD mod, DWORD shift,
 274                                const struct shader_reg *dst,
 275                                const struct src_regs *srcs) {
 276     struct instruction *instr;
 277
 278     if(srcs) {
 279         asmparser_message(This, "Line %u: Source registers in texcoord instruction\n", This->line_no);
 280         set_parse_status(This, PARSE_ERR);
 281         return;
 282     }
 283
 284     instr = alloc_instr(1);
 285     if(!instr) {
 286         ERR("Error allocating memory for the instruction\n");
 287         set_parse_status(This, PARSE_ERR);
 288         return;
 289     }
 290
 291     /* texcoord copies the texture coord data into a temporary register-like
 292      * readable form. In newer shader models this equals a MOV from v0 to r0,
 293      * record it as this.
 294      */
 295     instr->opcode = BWRITERSIO_MOV;
 296     instr->dstmod = mod | BWRITERSPDM_SATURATE; /* texcoord clamps to [0;1] */
 297     instr->shift = shift;
 298     instr->comptype = 0;
 299
 300     This->funcs->dstreg(This, instr, dst);
 301     /* The src reg needs special care */
 302     instr->src[0] = map_oldps_register(dst, TRUE);
 303
 304     if(!add_instruction(This->shader, instr)) {
 305         ERR("Out of memory\n");
 306         set_parse_status(This, PARSE_ERR);
 307     }
 308 }
 309
 310 static void asmparser_texcrd(struct asm_parser *This, DWORD mod, DWORD shift,
 311                              const struct shader_reg *dst,
 312                              const struct src_regs *srcs) {
 313     struct instruction *instr;
 314
 315     if(!srcs || srcs->count != 1) {
 316         asmparser_message(This, "Line %u: Wrong number of source registers in texcrd instruction\n", This->line_no);
 317         set_parse_status(This, PARSE_ERR);
 318         return;
 319     }
 320
 321     instr = alloc_instr(1);
 322     if(!instr) {
 323         ERR("Error allocating memory for the instruction\n");
 324         set_parse_status(This, PARSE_ERR);
 325         return;
 326     }
 327
 328     /* The job of texcrd is done by mov in later shader versions */
 329     instr->opcode = BWRITERSIO_MOV;
 330     instr->dstmod = mod;
 331     instr->shift = shift;
 332     instr->comptype = 0;
 333
 334     This->funcs->dstreg(This, instr, dst);
 335     This->funcs->srcreg(This, instr, 0, &srcs->reg[0]);
 336
 337     if(!add_instruction(This->shader, instr)) {
 338         ERR("Out of memory\n");
 339         set_parse_status(This, PARSE_ERR);
 340     }
 341 }
 342
 343 static void asmparser_texkill(struct asm_parser *This,
 344                               const struct shader_reg *dst) {
 345     struct instruction *instr = alloc_instr(0);
 346
 347     if(!instr) {
 348         ERR("Error allocating memory for the instruction\n");
 349         set_parse_status(This, PARSE_ERR);
 350         return;
 351     }
 352
 353     instr->opcode = BWRITERSIO_TEXKILL;
 354     instr->dstmod = 0;
 355     instr->shift = 0;
 356     instr->comptype = 0;
 357
 358     /* Do not run the dst register through the normal
 359      * register conversion. If used with ps_1_0 to ps_1_3
 360      * the texture coordinate from that register is used,
 361      * not the temporary register value. In ps_1_4 and
 362      * ps_2_0 t0 is always a varying and temporaries can
 363      * be used with texkill.
 364      */
 365     instr->dst = map_oldps_register(dst, TRUE);
 366     instr->has_dst = TRUE;
 367
 368     if(!add_instruction(This->shader, instr)) {
 369         ERR("Out of memory\n");
 370         set_parse_status(This, PARSE_ERR);
 371     }
 372 }
 373
 374 static void asmparser_texhelper(struct asm_parser *This, DWORD mod, DWORD shift,
 375                                 const struct shader_reg *dst,
 376                                 const struct shader_reg *src0) {
 377     struct instruction *instr = alloc_instr(2);
 378
 379     if(!instr) {
 380         ERR("Error allocating memory for the instruction\n");
 381         set_parse_status(This, PARSE_ERR);
 382         return;
 383     }
 384
 385     instr->opcode = BWRITERSIO_TEX;
 386     instr->dstmod = mod;
 387     instr->shift = shift;
 388     instr->comptype = 0;
 389     /* The dest register can be mapped normally to a temporary register */
 390     This->funcs->dstreg(This, instr, dst);
 391     /* Use the src passed as parameter by the specific instruction handler */
 392     instr->src[0] = *src0;
 393
 394     /* The 2nd source register is the sampler register with the
 395      * destination's regnum
 396      */
 397     ZeroMemory(&instr->src[1], sizeof(instr->src[1]));
 398     instr->src[1].type = BWRITERSPR_SAMPLER;
 399     instr->src[1].regnum = dst->regnum;
 400     instr->src[1].u.swizzle = BWRITERVS_NOSWIZZLE;
 401     instr->src[1].srcmod = BWRITERSPSM_NONE;
 402     instr->src[1].rel_reg = NULL;
 403
 404     if(!add_instruction(This->shader, instr)) {
 405         ERR("Out of memory\n");
 406         set_parse_status(This, PARSE_ERR);
 407     }
 408 }
 409
 410 static void asmparser_tex(struct asm_parser *This, DWORD mod, DWORD shift,
 411                           const struct shader_reg *dst) {
 412     struct shader_reg src;
 413
 414     /* The first source register is the varying containing the coordinate */
 415     src = map_oldps_register(dst, TRUE);
 416     asmparser_texhelper(This, mod, shift, dst, &src);
 417 }
 418
 419 static void asmparser_texld14(struct asm_parser *This, DWORD mod, DWORD shift,
 420                               const struct shader_reg *dst,
 421                               const struct src_regs *srcs) {
 422     struct instruction *instr;
 423
 424     if(!srcs || srcs->count != 1) {
 425         asmparser_message(This, "Line %u: texld (PS 1.4) has a wrong number of source registers\n", This->line_no);
 426         set_parse_status(This, PARSE_ERR);
 427         return;
 428     }
 429
 430     instr = alloc_instr(2);
 431     if(!instr) {
 432         ERR("Error allocating memory for the instruction\n");
 433         set_parse_status(This, PARSE_ERR);
 434         return;
 435     }
 436
 437     /* This code is recording a texld instruction, not tex. However,
 438      * texld borrows the opcode of tex
 439      */
 440     instr->opcode = BWRITERSIO_TEX;
 441     instr->dstmod = mod;
 442     instr->shift = shift;
 443     instr->comptype = 0;
 444
 445     This->funcs->dstreg(This, instr, dst);
 446     This->funcs->srcreg(This, instr, 0, &srcs->reg[0]);
 447
 448     /* The 2nd source register is the sampler register with the
 449      * destination's regnum
 450      */
 451     ZeroMemory(&instr->src[1], sizeof(instr->src[1]));
 452     instr->src[1].type = BWRITERSPR_SAMPLER;
 453     instr->src[1].regnum = dst->regnum;
 454     instr->src[1].u.swizzle = BWRITERVS_NOSWIZZLE;
 455     instr->src[1].srcmod = BWRITERSPSM_NONE;
 456     instr->src[1].rel_reg = NULL;
 457
 458     if(!add_instruction(This->shader, instr)) {
 459         ERR("Out of memory\n");
 460         set_parse_status(This, PARSE_ERR);
 461     }
 462 }
 463
 464 static void asmparser_texreg2ar(struct asm_parser *This, DWORD mod, DWORD shift,
 465                                 const struct shader_reg *dst,
 466                                 const struct shader_reg *src0) {
 467     struct shader_reg src;
 468
 469     src = map_oldps_register(src0, FALSE);
 470     /* Supply the correct swizzle */
 471     src.u.swizzle = BWRITERVS_X_W | BWRITERVS_Y_X | BWRITERVS_Z_X | BWRITERVS_W_X;
 472     asmparser_texhelper(This, mod, shift, dst, &src);
 473 }
 474
 475 static void asmparser_texreg2gb(struct asm_parser *This, DWORD mod, DWORD shift,
 476                                 const struct shader_reg *dst,
 477                                 const struct shader_reg *src0) {
 478     struct shader_reg src;
 479
 480     src = map_oldps_register(src0, FALSE);
 481     /* Supply the correct swizzle */
 482     src.u.swizzle = BWRITERVS_X_Y | BWRITERVS_Y_Z | BWRITERVS_Z_Z | BWRITERVS_W_Z;
 483     asmparser_texhelper(This, mod, shift, dst, &src);
 484 }
 485
 486 static void asmparser_texreg2rgb(struct asm_parser *This, DWORD mod, DWORD shift,
 487                                  const struct shader_reg *dst,
 488                                  const struct shader_reg *src0) {
 489     struct shader_reg src;
 490
 491     src = map_oldps_register(src0, FALSE);
 492     /* Supply the correct swizzle */
 493     src.u.swizzle = BWRITERVS_X_X | BWRITERVS_Y_Y | BWRITERVS_Z_Z | BWRITERVS_W_Z;
 494     asmparser_texhelper(This, mod, shift, dst, &src);
 495 }
 496
 497 /* Complex pixel shader 1.3 instructions like texm3x3tex are tricky - the
 498  * bytecode writer works instruction by instruction, so we can't properly
 499  * convert these from/to equivalent ps_3_0 instructions. Then simply keep using
 500  * the ps_1_3 opcodes and just adapt the registers in the common fashion (i.e.
 501  * go through asmparser_instr).
 502  */
 503
 504 static void asmparser_instr(struct asm_parser *This, DWORD opcode,
 505                             DWORD mod, DWORD shift,
 506                             BWRITER_COMPARISON_TYPE comp,
 507                             const struct shader_reg *dst,
 508                             const struct src_regs *srcs, int expectednsrcs) {
 509     struct instruction *instr;
 510     unsigned int i;
 511     BOOL firstreg = TRUE;
 512     unsigned int src_count = srcs ? srcs->count : 0;
 513
 514     if(!This->shader) return;
 515
 516     TRACE_(parsed_shader)("%s%s%s%s ", debug_print_opcode(opcode),
 517                           debug_print_dstmod(mod),
 518                           debug_print_shift(shift),
 519                           debug_print_comp(comp));
 520     if(dst) {
 521         TRACE_(parsed_shader)("%s", debug_print_dstreg(dst));
 522         firstreg = FALSE;
 523     }
 524     for(i = 0; i < src_count; i++) {
 525         if(!firstreg) TRACE_(parsed_shader)(", ");
 526         else firstreg = FALSE;
 527         TRACE_(parsed_shader)("%s", debug_print_srcreg(&srcs->reg[i]));
 528     }
 529     TRACE_(parsed_shader)("\n");
 530
 531  /* Check for instructions with different syntaxes in different shader versions */
 532     switch(opcode) {
 533         case BWRITERSIO_SINCOS:
 534             /* The syntax changes between vs 2 and the other shader versions */
 535             if(This->shader->version == BWRITERVS_VERSION(2, 0) ||
 536                This->shader->version == BWRITERVS_VERSION(2, 1)) {
 537                 asmparser_sincos(This, mod, shift, dst, srcs);
 538                 return;
 539             }
 540             /* Use the default handling */
 541             break;
 542         case BWRITERSIO_TEXCOORD:
 543             /* texcoord/texcrd are two instructions present only in PS <= 1.3 and PS 1.4 respectively */
 544             if(This->shader->version == BWRITERPS_VERSION(1, 4))
 545                 asmparser_texcrd(This, mod, shift, dst, srcs);
 546             else asmparser_texcoord(This, mod, shift, dst, srcs);
 547             return;
 548         case BWRITERSIO_TEX:
 549             /* this encodes both the tex PS 1.x instruction and the
 550                texld 1.4/2.0+ instruction */
 551             if(This->shader->version == BWRITERPS_VERSION(1, 1) ||
 552                This->shader->version == BWRITERPS_VERSION(1, 2) ||
 553                This->shader->version == BWRITERPS_VERSION(1, 3)) {
 554                 asmparser_tex(This, mod, shift, dst);
 555                 return;
 556             }
 557             else if(This->shader->version == BWRITERPS_VERSION(1, 4)) {
 558                 asmparser_texld14(This, mod, shift, dst, srcs);
 559                 return;
 560             }
 561             /* else fallback to the standard behavior */
 562             break;
 563     }
 564
 565     if(src_count != expectednsrcs) {
 566         asmparser_message(This, "Line %u: Wrong number of source registers\n", This->line_no);
 567         set_parse_status(This, PARSE_ERR);
 568         return;
 569     }
 570
 571     /* Handle PS 1.x instructions, "regularizing" them */
 572     switch(opcode) {
 573         case BWRITERSIO_TEXKILL:
 574             asmparser_texkill(This, dst);
 575             return;
 576         case BWRITERSIO_TEXREG2AR:
 577             asmparser_texreg2ar(This, mod, shift, dst, &srcs->reg[0]);
 578             return;
 579         case BWRITERSIO_TEXREG2GB:
 580             asmparser_texreg2gb(This, mod, shift, dst, &srcs->reg[0]);
 581             return;
 582         case BWRITERSIO_TEXREG2RGB:
 583             asmparser_texreg2rgb(This, mod, shift, dst, &srcs->reg[0]);
 584             return;
 585     }
 586
 587     instr = alloc_instr(src_count);
 588     if(!instr) {
 589         ERR("Error allocating memory for the instruction\n");
 590         set_parse_status(This, PARSE_ERR);
 591         return;
 592     }
 593
 594     instr->opcode = opcode;
 595     instr->dstmod = mod;
 596     instr->shift = shift;
 597     instr->comptype = comp;
 598     if(dst) This->funcs->dstreg(This, instr, dst);
 599     for(i = 0; i < src_count; i++) {
 600         This->funcs->srcreg(This, instr, i, &srcs->reg[i]);
 601     }
 602
 603     if(!add_instruction(This->shader, instr)) {
 604         ERR("Out of memory\n");
 605         set_parse_status(This, PARSE_ERR);
 606     }
 607 }
 608
 609 static struct shader_reg map_oldvs_register(const struct shader_reg *reg) {
 610     struct shader_reg ret;
 611     switch(reg->type) {
 612         case BWRITERSPR_RASTOUT:
 613             ret = *reg;
 614             ret.type = BWRITERSPR_OUTPUT;
 615             switch(reg->regnum) {
 616                 case BWRITERSRO_POSITION:
 617                     ret.regnum = OPOS_REG;
 618                     break;
 619                 case BWRITERSRO_FOG:
 620                     ret.regnum = OFOG_REG;
 621                     ret.u.writemask = OFOG_WRITEMASK;
 622                     break;
 623                 case BWRITERSRO_POINT_SIZE:
 624                     ret.regnum = OPTS_REG;
 625                     ret.u.writemask = OPTS_WRITEMASK;
 626                     break;
 627                 default:
 628                     FIXME("Unhandled RASTOUT register %u\n", reg->regnum);
 629                     return *reg;
 630             }
 631             return ret;
 632
 633         case BWRITERSPR_TEXCRDOUT:
 634             ret = *reg;
 635             ret.type = BWRITERSPR_OUTPUT;
 636             switch(reg->regnum) {
 637                 case 0: ret.regnum = OT0_REG; break;
 638                 case 1: ret.regnum = OT1_REG; break;
 639                 case 2: ret.regnum = OT2_REG; break;
 640                 case 3: ret.regnum = OT3_REG; break;
 641                 case 4: ret.regnum = OT4_REG; break;
 642                 case 5: ret.regnum = OT5_REG; break;
 643                 case 6: ret.regnum = OT6_REG; break;
 644                 case 7: ret.regnum = OT7_REG; break;
 645                 default:
 646                     FIXME("Unhandled TEXCRDOUT regnum %u\n", reg->regnum);
 647                     return *reg;
 648             }
 649             return ret;
 650
 651         case BWRITERSPR_ATTROUT:
 652             ret = *reg;
 653             ret.type = BWRITERSPR_OUTPUT;
 654             switch(reg->regnum) {
 655                 case 0: ret.regnum = OD0_REG; break;
 656                 case 1: ret.regnum = OD1_REG; break;
 657                 default:
 658                     FIXME("Unhandled ATTROUT regnum %u\n", reg->regnum);
 659                     return *reg;
 660             }
 661             return ret;
 662
 663         default: return *reg;
 664     }
 665 }
 666
 667 /* Checks for unsupported source modifiers in VS (all versions) or
 668    PS 2.0 and newer */
 669 static void check_legacy_srcmod(struct asm_parser *This, DWORD srcmod) {
 670     if(srcmod == BWRITERSPSM_BIAS || srcmod == BWRITERSPSM_BIASNEG ||
 671        srcmod == BWRITERSPSM_SIGN || srcmod == BWRITERSPSM_SIGNNEG ||
 672        srcmod == BWRITERSPSM_COMP || srcmod == BWRITERSPSM_X2 ||
 673        srcmod == BWRITERSPSM_X2NEG || srcmod == BWRITERSPSM_DZ ||
 674        srcmod == BWRITERSPSM_DW) {
 675         asmparser_message(This, "Line %u: Source modifier %s not supported in this shader version\n",
 676                           This->line_no,
 677                           debug_print_srcmod(srcmod));
 678         set_parse_status(This, PARSE_ERR);
 679     }
 680 }
 681
 682 static void check_abs_srcmod(struct asm_parser *This, DWORD srcmod) {
 683     if(srcmod == BWRITERSPSM_ABS || srcmod == BWRITERSPSM_ABSNEG) {
 684         asmparser_message(This, "Line %u: Source modifier %s not supported in this shader version\n",
 685                           This->line_no,
 686                           debug_print_srcmod(srcmod));
 687         set_parse_status(This, PARSE_ERR);
 688     }
 689 }
 690
 691 static void check_loop_swizzle(struct asm_parser *This,
 692                                const struct shader_reg *src) {
 693     if((src->type == BWRITERSPR_LOOP && src->u.swizzle != BWRITERVS_NOSWIZZLE) ||
 694        (src->rel_reg && src->rel_reg->type == BWRITERSPR_LOOP &&
 695         src->rel_reg->u.swizzle != BWRITERVS_NOSWIZZLE)) {
 696         asmparser_message(This, "Line %u: Swizzle not allowed on aL register\n", This->line_no);
 697         set_parse_status(This, PARSE_ERR);
 698     }
 699 }
 700
 701 static void check_shift_dstmod(struct asm_parser *This, DWORD shift) {
 702     if(shift != 0) {
 703         asmparser_message(This, "Line %u: Shift modifiers not supported in this shader version\n",
 704                           This->line_no);
 705         set_parse_status(This, PARSE_ERR);
 706     }
 707 }
 708
 709 static void check_ps_dstmod(struct asm_parser *This, DWORD dstmod) {
 710     if(dstmod == BWRITERSPDM_PARTIALPRECISION ||
 711        dstmod == BWRITERSPDM_MSAMPCENTROID) {
 712         asmparser_message(This, "Line %u: Instruction modifier %s not supported in this shader version\n",
 713                           This->line_no,
 714                           debug_print_dstmod(dstmod));
 715         set_parse_status(This, PARSE_ERR);
 716     }
 717 }
 718
 719 struct allowed_reg_type {
 720     DWORD type;
 721     DWORD count;
 722     BOOL reladdr;
 723 };
 724
 725 static BOOL check_reg_type(const struct shader_reg *reg,
 726                            const struct allowed_reg_type *allowed) {
 727     unsigned int i = 0;
 728
 729     while(allowed[i].type != ~0U) {
 730         if(reg->type == allowed[i].type) {
 731             if(reg->rel_reg) {
 732                 if(allowed[i].reladdr)
 733                     return TRUE; /* The relative addressing register
 734                                     can have a negative value, we
 735                                     can't check the register index */
 736                 return FALSE;
 737             }
 738             if(reg->regnum < allowed[i].count) return TRUE;
 739             return FALSE;
 740         }
 741         i++;
 742     }
 743     return FALSE;
 744 }
 745
 746 /* Native assembler doesn't do separate checks for src and dst registers */
 747 static const struct allowed_reg_type vs_1_reg_allowed[] = {
 748     { BWRITERSPR_TEMP,         12,  FALSE },
 749     { BWRITERSPR_INPUT,        16,  FALSE },
 750     { BWRITERSPR_CONST,       ~0U,   TRUE },
 751     { BWRITERSPR_ADDR,          1,  FALSE },
 752     { BWRITERSPR_RASTOUT,       3,  FALSE }, /* oPos, oFog and oPts */
 753     { BWRITERSPR_ATTROUT,       2,  FALSE },
 754     { BWRITERSPR_TEXCRDOUT,     8,  FALSE },
 755     { ~0U, 0 } /* End tag */
 756 };
 757
 758 /* struct instruction *asmparser_srcreg
 759  *
 760  * Records a source register in the instruction and does shader version
 761  * specific checks and modifications on it
 762  *
 763  * Parameters:
 764  *  This: Shader parser instance
 765  *  instr: instruction to store the register in
 766  *  num: Number of source register
 767  *  src: Pointer to source the register structure. The caller can free
 768  *  it afterwards
 769  */
 770 static void asmparser_srcreg_vs_1(struct asm_parser *This,
 771                                   struct instruction *instr, int num,
 772                                   const struct shader_reg *src) {
 773     struct shader_reg reg;
 774
 775     if(!check_reg_type(src, vs_1_reg_allowed)) {
 776         asmparser_message(This, "Line %u: Source register %s not supported in VS 1\n",
 777                           This->line_no,
 778                           debug_print_srcreg(src));
 779         set_parse_status(This, PARSE_ERR);
 780     }
 781     check_legacy_srcmod(This, src->srcmod);
 782     check_abs_srcmod(This, src->srcmod);
 783     reg = map_oldvs_register(src);
 784     memcpy(&instr->src[num], &reg, sizeof(reg));
 785 }
 786
 787 static const struct allowed_reg_type vs_2_reg_allowed[] = {
 788     { BWRITERSPR_TEMP,      12,  FALSE },
 789     { BWRITERSPR_INPUT,     16,  FALSE },
 790     { BWRITERSPR_CONST,    ~0U,   TRUE },
 791     { BWRITERSPR_ADDR,       1,  FALSE },
 792     { BWRITERSPR_CONSTBOOL, 16,  FALSE },
 793     { BWRITERSPR_CONSTINT,  16,  FALSE },
 794     { BWRITERSPR_LOOP,       1,  FALSE },
 795     { BWRITERSPR_LABEL,   2048,  FALSE },
 796     { BWRITERSPR_PREDICATE,  1,  FALSE },
 797     { BWRITERSPR_RASTOUT,    3,  FALSE }, /* oPos, oFog and oPts */
 798     { BWRITERSPR_ATTROUT,    2,  FALSE },
 799     { BWRITERSPR_TEXCRDOUT,  8,  FALSE },
 800     { ~0U, 0 } /* End tag */
 801 };
 802
 803 static void asmparser_srcreg_vs_2(struct asm_parser *This,
 804                                   struct instruction *instr, int num,
 805                                   const struct shader_reg *src) {
 806     struct shader_reg reg;
 807
 808     if(!check_reg_type(src, vs_2_reg_allowed)) {
 809         asmparser_message(This, "Line %u: Source register %s not supported in VS 2\n",
 810                           This->line_no,
 811                           debug_print_srcreg(src));
 812         set_parse_status(This, PARSE_ERR);
 813     }
 814     check_loop_swizzle(This, src);
 815     check_legacy_srcmod(This, src->srcmod);
 816     check_abs_srcmod(This, src->srcmod);
 817     reg = map_oldvs_register(src);
 818     memcpy(&instr->src[num], &reg, sizeof(reg));
 819 }
 820
 821 static const struct allowed_reg_type vs_3_reg_allowed[] = {
 822     { BWRITERSPR_TEMP,         32,  FALSE },
 823     { BWRITERSPR_INPUT,        16,   TRUE },
 824     { BWRITERSPR_CONST,       ~0U,   TRUE },
 825     { BWRITERSPR_ADDR,          1,  FALSE },
 826     { BWRITERSPR_CONSTBOOL,    16,  FALSE },
 827     { BWRITERSPR_CONSTINT,     16,  FALSE },
 828     { BWRITERSPR_LOOP,          1,  FALSE },
 829     { BWRITERSPR_LABEL,      2048,  FALSE },
 830     { BWRITERSPR_PREDICATE,     1,  FALSE },
 831     { BWRITERSPR_SAMPLER,       4,  FALSE },
 832     { BWRITERSPR_OUTPUT,       12,   TRUE },
 833     { ~0U, 0 } /* End tag */
 834 };
 835
 836 static void asmparser_srcreg_vs_3(struct asm_parser *This,
 837                                   struct instruction *instr, int num,
 838                                   const struct shader_reg *src) {
 839     if(!check_reg_type(src, vs_3_reg_allowed)) {
 840         asmparser_message(This, "Line %u: Source register %s not supported in VS 3.0\n",
 841                           This->line_no,
 842                           debug_print_srcreg(src));
 843         set_parse_status(This, PARSE_ERR);
 844     }
 845     check_loop_swizzle(This, src);
 846     check_legacy_srcmod(This, src->srcmod);
 847     memcpy(&instr->src[num], src, sizeof(*src));
 848 }
 849
 850 static const struct allowed_reg_type ps_1_0123_reg_allowed[] = {
 851     { BWRITERSPR_CONST,     8,  FALSE },
 852     { BWRITERSPR_TEMP,      2,  FALSE },
 853     { BWRITERSPR_TEXTURE,   4,  FALSE },
 854     { BWRITERSPR_INPUT,     2,  FALSE },
 855     { ~0U, 0 } /* End tag */
 856 };
 857
 858 static void asmparser_srcreg_ps_1_0123(struct asm_parser *This,
 859                                        struct instruction *instr, int num,
 860                                        const struct shader_reg *src) {
 861     struct shader_reg reg;
 862
 863     if(!check_reg_type(src, ps_1_0123_reg_allowed)) {
 864         asmparser_message(This, "Line %u: Source register %s not supported in <== PS 1.3\n",
 865                           This->line_no,
 866                           debug_print_srcreg(src));
 867         set_parse_status(This, PARSE_ERR);
 868     }
 869     check_abs_srcmod(This, src->srcmod);
 870     reg = map_oldps_register(src, FALSE);
 871     memcpy(&instr->src[num], &reg, sizeof(reg));
 872 }
 873
 874 static const struct allowed_reg_type ps_1_4_reg_allowed[] = {
 875     { BWRITERSPR_CONST,     8,  FALSE },
 876     { BWRITERSPR_TEMP,      6,  FALSE },
 877     { BWRITERSPR_TEXTURE,   6,  FALSE },
 878     { BWRITERSPR_INPUT,     2,  FALSE },
 879     { ~0U, 0 } /* End tag */
 880 };
 881
 882 static void asmparser_srcreg_ps_1_4(struct asm_parser *This,
 883                                     struct instruction *instr, int num,
 884                                     const struct shader_reg *src) {
 885     struct shader_reg reg;
 886
 887     if(!check_reg_type(src, ps_1_4_reg_allowed)) {
 888         asmparser_message(This, "Line %u: Source register %s not supported in PS 1.4\n",
 889                           This->line_no,
 890                           debug_print_srcreg(src));
 891         set_parse_status(This, PARSE_ERR);
 892     }
 893     check_abs_srcmod(This, src->srcmod);
 894     reg = map_oldps_register(src, TRUE);
 895     memcpy(&instr->src[num], &reg, sizeof(reg));
 896 }
 897
 898 static const struct allowed_reg_type ps_2_0_reg_allowed[] = {
 899     { BWRITERSPR_INPUT,         2,  FALSE },
 900     { BWRITERSPR_TEMP,         32,  FALSE },
 901     { BWRITERSPR_CONST,        32,  FALSE },
 902     { BWRITERSPR_CONSTINT,     16,  FALSE },
 903     { BWRITERSPR_CONSTBOOL,    16,  FALSE },
 904     { BWRITERSPR_SAMPLER,      16,  FALSE },
 905     { BWRITERSPR_TEXTURE,       8,  FALSE },
 906     { BWRITERSPR_COLOROUT,      4,  FALSE },
 907     { BWRITERSPR_DEPTHOUT,      1,  FALSE },
 908     { ~0U, 0 } /* End tag */
 909 };
 910
 911 static void asmparser_srcreg_ps_2(struct asm_parser *This,
 912                                   struct instruction *instr, int num,
 913                                   const struct shader_reg *src) {
 914     struct shader_reg reg;
 915
 916     if(!check_reg_type(src, ps_2_0_reg_allowed)) {
 917         asmparser_message(This, "Line %u: Source register %s not supported in PS 2.0\n",
 918                           This->line_no,
 919                           debug_print_srcreg(src));
 920         set_parse_status(This, PARSE_ERR);
 921     }
 922     check_legacy_srcmod(This, src->srcmod);
 923     check_abs_srcmod(This, src->srcmod);
 924     reg = map_oldps_register(src, TRUE);
 925     memcpy(&instr->src[num], &reg, sizeof(reg));
 926 }
 927
 928 static const struct allowed_reg_type ps_2_x_reg_allowed[] = {
 929     { BWRITERSPR_INPUT,         2,  FALSE },
 930     { BWRITERSPR_TEMP,         32,  FALSE },
 931     { BWRITERSPR_CONST,        32,  FALSE },
 932     { BWRITERSPR_CONSTINT,     16,  FALSE },
 933     { BWRITERSPR_CONSTBOOL,    16,  FALSE },
 934     { BWRITERSPR_PREDICATE,     1,  FALSE },
 935     { BWRITERSPR_SAMPLER,      16,  FALSE },
 936     { BWRITERSPR_TEXTURE,       8,  FALSE },
 937     { BWRITERSPR_LABEL,      2048,  FALSE },
 938     { BWRITERSPR_COLOROUT,      4,  FALSE },
 939     { BWRITERSPR_DEPTHOUT,      1,  FALSE },
 940     { ~0U, 0 } /* End tag */
 941 };
 942
 943 static void asmparser_srcreg_ps_2_x(struct asm_parser *This,
 944                                     struct instruction *instr, int num,
 945                                     const struct shader_reg *src) {
 946     struct shader_reg reg;
 947
 948     if(!check_reg_type(src, ps_2_x_reg_allowed)) {
 949         asmparser_message(This, "Line %u: Source register %s not supported in PS 2.x\n",
 950                           This->line_no,
 951                           debug_print_srcreg(src));
 952         set_parse_status(This, PARSE_ERR);
 953     }
 954     check_legacy_srcmod(This, src->srcmod);
 955     check_abs_srcmod(This, src->srcmod);
 956     reg = map_oldps_register(src, TRUE);
 957     memcpy(&instr->src[num], &reg, sizeof(reg));
 958 }
 959
 960 static const struct allowed_reg_type ps_3_reg_allowed[] = {
 961     { BWRITERSPR_INPUT,        10,   TRUE },
 962     { BWRITERSPR_TEMP,         32,  FALSE },
 963     { BWRITERSPR_CONST,       224,  FALSE },
 964     { BWRITERSPR_CONSTINT,     16,  FALSE },
 965     { BWRITERSPR_CONSTBOOL,    16,  FALSE },
 966     { BWRITERSPR_PREDICATE,     1,  FALSE },
 967     { BWRITERSPR_SAMPLER,      16,  FALSE },
 968     { BWRITERSPR_MISCTYPE,      2,  FALSE }, /* vPos and vFace */
 969     { BWRITERSPR_LOOP,          1,  FALSE },
 970     { BWRITERSPR_LABEL,      2048,  FALSE },
 971     { BWRITERSPR_COLOROUT,      4,  FALSE },
 972     { BWRITERSPR_DEPTHOUT,      1,  FALSE },
 973     { ~0U, 0 } /* End tag */
 974 };
 975
 976 static void asmparser_srcreg_ps_3(struct asm_parser *This,
 977                                   struct instruction *instr, int num,
 978                                   const struct shader_reg *src) {
 979     if(!check_reg_type(src, ps_3_reg_allowed)) {
 980         asmparser_message(This, "Line %u: Source register %s not supported in PS 3.0\n",
 981                           This->line_no,
 982                           debug_print_srcreg(src));
 983         set_parse_status(This, PARSE_ERR);
 984     }
 985     check_loop_swizzle(This, src);
 986     check_legacy_srcmod(This, src->srcmod);
 987     memcpy(&instr->src[num], src, sizeof(*src));
 988 }
 989
 990 static void asmparser_dstreg_vs_1(struct asm_parser *This,
 991                                   struct instruction *instr,
 992                                   const struct shader_reg *dst) {
 993     struct shader_reg reg;
 994
 995     if(!check_reg_type(dst, vs_1_reg_allowed)) {
 996         asmparser_message(This, "Line %u: Destination register %s not supported in VS 1\n",
 997                           This->line_no,
 998                           debug_print_dstreg(dst));
 999         set_parse_status(This, PARSE_ERR);
1000     }
1001     check_ps_dstmod(This, instr->dstmod);
1002     check_shift_dstmod(This, instr->shift);
1003     reg = map_oldvs_register(dst);
1004     memcpy(&instr->dst, &reg, sizeof(reg));
1005     instr->has_dst = TRUE;
1006 }
1007
1008 static void asmparser_dstreg_vs_2(struct asm_parser *This,
1009                                   struct instruction *instr,
1010                                   const struct shader_reg *dst) {
1011     struct shader_reg reg;
1012
1013     if(!check_reg_type(dst, vs_2_reg_allowed)) {
1014         asmparser_message(This, "Line %u: Destination register %s not supported in VS 2.0\n",
1015                           This->line_no,
1016                           debug_print_dstreg(dst));
1017         set_parse_status(This, PARSE_ERR);
1018     }
1019     check_ps_dstmod(This, instr->dstmod);
1020     check_shift_dstmod(This, instr->shift);
1021     reg = map_oldvs_register(dst);
1022     memcpy(&instr->dst, &reg, sizeof(reg));
1023     instr->has_dst = TRUE;
1024 }
1025
1026 static void asmparser_dstreg_vs_3(struct asm_parser *This,
1027                                   struct instruction *instr,
1028                                   const struct shader_reg *dst) {
1029     if(!check_reg_type(dst, vs_3_reg_allowed)) {
1030         asmparser_message(This, "Line %u: Destination register %s not supported in VS 3.0\n",
1031                           This->line_no,
1032                           debug_print_dstreg(dst));
1033         set_parse_status(This, PARSE_ERR);
1034     }
1035     check_ps_dstmod(This, instr->dstmod);
1036     check_shift_dstmod(This, instr->shift);
1037     memcpy(&instr->dst, dst, sizeof(*dst));
1038     instr->has_dst = TRUE;
1039 }
1040
1041 static void asmparser_dstreg_ps_1_0123(struct asm_parser *This,
1042                                        struct instruction *instr,
1043                                        const struct shader_reg *dst) {
1044     struct shader_reg reg;
1045
1046     if(!check_reg_type(dst, ps_1_0123_reg_allowed)) {
1047         asmparser_message(This, "Line %u: Destination register %s not supported in PS 1\n",
1048                           This->line_no,
1049                           debug_print_dstreg(dst));
1050         set_parse_status(This, PARSE_ERR);
1051     }
1052     reg = map_oldps_register(dst, FALSE);
1053     memcpy(&instr->dst, &reg, sizeof(reg));
1054     instr->has_dst = TRUE;
1055 }
1056
1057 static void asmparser_dstreg_ps_1_4(struct asm_parser *This,
1058                                     struct instruction *instr,
1059                                     const struct shader_reg *dst) {
1060     struct shader_reg reg;
1061
1062     if(!check_reg_type(dst, ps_1_4_reg_allowed)) {
1063         asmparser_message(This, "Line %u: Destination register %s not supported in PS 1\n",
1064                           This->line_no,
1065                           debug_print_dstreg(dst));
1066         set_parse_status(This, PARSE_ERR);
1067     }
1068     reg = map_oldps_register(dst, TRUE);
1069     memcpy(&instr->dst, &reg, sizeof(reg));
1070     instr->has_dst = TRUE;
1071 }
1072
1073 static void asmparser_dstreg_ps_2(struct asm_parser *This,
1074                                   struct instruction *instr,
1075                                   const struct shader_reg *dst) {
1076     struct shader_reg reg;
1077
1078     if(!check_reg_type(dst, ps_2_0_reg_allowed)) {
1079         asmparser_message(This, "Line %u: Destination register %s not supported in PS 2.0\n",
1080                           This->line_no,
1081                           debug_print_dstreg(dst));
1082         set_parse_status(This, PARSE_ERR);
1083     }
1084     check_shift_dstmod(This, instr->shift);
1085     reg = map_oldps_register(dst, TRUE);
1086     memcpy(&instr->dst, &reg, sizeof(reg));
1087     instr->has_dst = TRUE;
1088 }
1089
1090 static void asmparser_dstreg_ps_2_x(struct asm_parser *This,
1091                                     struct instruction *instr,
1092                                     const struct shader_reg *dst) {
1093     struct shader_reg reg;
1094
1095     if(!check_reg_type(dst, ps_2_x_reg_allowed)) {
1096         asmparser_message(This, "Line %u: Destination register %s not supported in PS 2.x\n",
1097                           This->line_no,
1098                           debug_print_dstreg(dst));
1099         set_parse_status(This, PARSE_ERR);
1100     }
1101     check_shift_dstmod(This, instr->shift);
1102     reg = map_oldps_register(dst, TRUE);
1103     memcpy(&instr->dst, &reg, sizeof(reg));
1104     instr->has_dst = TRUE;
1105 }
1106
1107 static void asmparser_dstreg_ps_3(struct asm_parser *This,
1108                                   struct instruction *instr,
1109                                   const struct shader_reg *dst) {
1110     if(!check_reg_type(dst, ps_3_reg_allowed)) {
1111         asmparser_message(This, "Line %u: Destination register %s not supported in PS 3.0\n",
1112                           This->line_no,
1113                           debug_print_dstreg(dst));
1114         set_parse_status(This, PARSE_ERR);
1115     }
1116     check_shift_dstmod(This, instr->shift);
1117     memcpy(&instr->dst, dst, sizeof(*dst));
1118     instr->has_dst = TRUE;
1119 }
1120
1121 static void asmparser_predicate_supported(struct asm_parser *This,
1122                                           const struct shader_reg *predicate) {
1123     /* this sets the predicate of the last instruction added to the shader */
1124     if(!This->shader) return;
1125     if(This->shader->num_instrs == 0) ERR("Predicate without an instruction\n");
1126     This->shader->instr[This->shader->num_instrs - 1]->has_predicate = TRUE;
1127     memcpy(&This->shader->instr[This->shader->num_instrs - 1]->predicate, predicate, sizeof(*predicate));
1128 }
1129
1130 static void asmparser_predicate_unsupported(struct asm_parser *This,
1131                                             const struct shader_reg *predicate) {
1132     asmparser_message(This, "Line %u: Predicate not supported in < VS 2.0 or PS 2.x\n", This->line_no);
1133     set_parse_status(This, PARSE_ERR);
1134 }
1135
1136 static void asmparser_coissue_supported(struct asm_parser *This) {
1137     /* this sets the coissue flag of the last instruction added to the shader */
1138     if(!This->shader) return;
1139     if(This->shader->num_instrs == 0){
1140         asmparser_message(This, "Line %u: Coissue flag on the first shader instruction\n", This->line_no);
1141         set_parse_status(This, PARSE_ERR);
1142     }
1143     This->shader->instr[This->shader->num_instrs-1]->coissue = TRUE;
1144 }
1145
1146 static void asmparser_coissue_unsupported(struct asm_parser *This) {
1147     asmparser_message(This, "Line %u: Coissue is only supported in pixel shaders versions <= 1.4\n", This->line_no);
1148     set_parse_status(This, PARSE_ERR);
1149 }
1150
1151 static const struct asmparser_backend parser_vs_1 = {
1152     asmparser_constF,
1153     asmparser_constI,
1154     asmparser_constB,
1155
1156     asmparser_dstreg_vs_1,
1157     asmparser_srcreg_vs_1,
1158
1159     asmparser_predicate_unsupported,
1160     asmparser_coissue_unsupported,
1161
1162     asmparser_dcl_output_unsupported,
1163     asmparser_dcl_input,
1164     asmparser_dcl_sampler_unsupported,
1165
1166     asmparser_end,
1167
1168     asmparser_instr,
1169 };
1170
1171 static const struct asmparser_backend parser_vs_2 = {
1172     asmparser_constF,
1173     asmparser_constI,
1174     asmparser_constB,
1175
1176     asmparser_dstreg_vs_2,
1177     asmparser_srcreg_vs_2,
1178
1179     asmparser_predicate_supported,
1180     asmparser_coissue_unsupported,
1181
1182     asmparser_dcl_output_unsupported,
1183     asmparser_dcl_input,
1184     asmparser_dcl_sampler_unsupported,
1185
1186     asmparser_end,
1187
1188     asmparser_instr,
1189 };
1190
1191 static const struct asmparser_backend parser_vs_3 = {
1192     asmparser_constF,
1193     asmparser_constI,
1194     asmparser_constB,
1195
1196     asmparser_dstreg_vs_3,
1197     asmparser_srcreg_vs_3,
1198
1199     asmparser_predicate_supported,
1200     asmparser_coissue_unsupported,
1201
1202     asmparser_dcl_output,
1203     asmparser_dcl_input,
1204     asmparser_dcl_sampler,
1205
1206     asmparser_end,
1207
1208     asmparser_instr,
1209 };
1210
1211 static const struct asmparser_backend parser_ps_1_0123 = {
1212     asmparser_constF,
1213     asmparser_constI,
1214     asmparser_constB,
1215
1216     asmparser_dstreg_ps_1_0123,
1217     asmparser_srcreg_ps_1_0123,
1218
1219     asmparser_predicate_unsupported,
1220     asmparser_coissue_supported,
1221
1222     asmparser_dcl_output_unsupported,
1223     asmparser_dcl_input_unsupported,
1224     asmparser_dcl_sampler_unsupported,
1225
1226     asmparser_end,
1227
1228     asmparser_instr,
1229 };
1230
1231 static const struct asmparser_backend parser_ps_1_4 = {
1232     asmparser_constF,
1233     asmparser_constI,
1234     asmparser_constB,
1235
1236     asmparser_dstreg_ps_1_4,
1237     asmparser_srcreg_ps_1_4,
1238
1239     asmparser_predicate_unsupported,
1240     asmparser_coissue_supported,
1241
1242     asmparser_dcl_output_unsupported,
1243     asmparser_dcl_input_unsupported,
1244     asmparser_dcl_sampler_unsupported,
1245
1246     asmparser_end,
1247
1248     asmparser_instr,
1249 };
1250
1251 static const struct asmparser_backend parser_ps_2 = {
1252     asmparser_constF,
1253     asmparser_constI,
1254     asmparser_constB,
1255
1256     asmparser_dstreg_ps_2,
1257     asmparser_srcreg_ps_2,
1258
1259     asmparser_predicate_unsupported,
1260     asmparser_coissue_unsupported,
1261
1262     asmparser_dcl_output_unsupported,
1263     asmparser_dcl_input_ps_2,
1264     asmparser_dcl_sampler,
1265
1266     asmparser_end,
1267
1268     asmparser_instr,
1269 };
1270
1271 static const struct asmparser_backend parser_ps_2_x = {
1272     asmparser_constF,
1273     asmparser_constI,
1274     asmparser_constB,
1275
1276     asmparser_dstreg_ps_2_x,
1277     asmparser_srcreg_ps_2_x,
1278
1279     asmparser_predicate_supported,
1280     asmparser_coissue_unsupported,
1281
1282     asmparser_dcl_output_unsupported,
1283     asmparser_dcl_input_ps_2,
1284     asmparser_dcl_sampler,
1285
1286     asmparser_end,
1287
1288     asmparser_instr,
1289 };
1290
1291 static const struct asmparser_backend parser_ps_3 = {
1292     asmparser_constF,
1293     asmparser_constI,
1294     asmparser_constB,
1295
1296     asmparser_dstreg_ps_3,
1297     asmparser_srcreg_ps_3,
1298
1299     asmparser_predicate_supported,
1300     asmparser_coissue_unsupported,
1301
1302     asmparser_dcl_output_unsupported,
1303     asmparser_dcl_input,
1304     asmparser_dcl_sampler,
1305
1306     asmparser_end,
1307
1308     asmparser_instr,
1309 };
1310
1311 static void gen_oldvs_output(struct bwriter_shader *shader) {
1312     record_declaration(shader, BWRITERDECLUSAGE_POSITION, 0, 0, TRUE, OPOS_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1313     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 0, 0, TRUE, OT0_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1314     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 1, 0, TRUE, OT1_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1315     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 2, 0, TRUE, OT2_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1316     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 3, 0, TRUE, OT3_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1317     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 4, 0, TRUE, OT4_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1318     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 5, 0, TRUE, OT5_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1319     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 6, 0, TRUE, OT6_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1320     record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 7, 0, TRUE, OT7_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1321     record_declaration(shader, BWRITERDECLUSAGE_FOG, 0, 0, TRUE, OFOG_REG, OFOG_WRITEMASK, TRUE);
1322     record_declaration(shader, BWRITERDECLUSAGE_PSIZE, 0, 0, TRUE, OPTS_REG, OPTS_WRITEMASK, TRUE);
1323     record_declaration(shader, BWRITERDECLUSAGE_COLOR, 0, 0, TRUE, OD0_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1324     record_declaration(shader, BWRITERDECLUSAGE_COLOR, 1, 0, TRUE, OD1_REG, BWRITERSP_WRITEMASK_ALL, TRUE);
1325 }
1326
1327 static void gen_oldps_input(struct bwriter_shader *shader, DWORD texcoords) {
1328     switch(texcoords) {
1329         case 8: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 7, 0, FALSE, T7_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1330             /* fall through */
1331         case 7: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 6, 0, FALSE, T6_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1332             /* fall through */
1333         case 6: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 5, 0, FALSE, T5_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1334             /* fall through */
1335         case 5: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 4, 0, FALSE, T4_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1336             /* fall through */
1337         case 4: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 3, 0, FALSE, T3_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1338             /* fall through */
1339         case 3: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 2, 0, FALSE, T2_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1340             /* fall through */
1341         case 2: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 1, 0, FALSE, T1_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1342             /* fall through */
1343         case 1: record_declaration(shader, BWRITERDECLUSAGE_TEXCOORD, 0, 0, FALSE, T0_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1344     };
1345     record_declaration(shader, BWRITERDECLUSAGE_COLOR, 0, 0, FALSE, C0_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1346     record_declaration(shader, BWRITERDECLUSAGE_COLOR, 1, 0, FALSE, C1_VARYING, BWRITERSP_WRITEMASK_ALL, TRUE);
1347 }
1348
1349 void create_vs10_parser(struct asm_parser *ret) {
1350     TRACE_(parsed_shader)("vs_1_0\n");
1351
1352     ret->shader = asm_alloc(sizeof(*ret->shader));
1353     if(!ret->shader) {
1354         ERR("Failed to allocate memory for the shader\n");
1355         set_parse_status(ret, PARSE_ERR);
1356         return;
1357     }
1358
1359     ret->shader->type = ST_VERTEX;
1360     ret->shader->version = BWRITERVS_VERSION(1, 0);
1361     ret->funcs = &parser_vs_1;
1362     gen_oldvs_output(ret->shader);
1363 }
1364
1365 void create_vs11_parser(struct asm_parser *ret) {
1366     TRACE_(parsed_shader)("vs_1_1\n");
1367
1368     ret->shader = asm_alloc(sizeof(*ret->shader));
1369     if(!ret->shader) {
1370         ERR("Failed to allocate memory for the shader\n");
1371         set_parse_status(ret, PARSE_ERR);
1372         return;
1373     }
1374
1375     ret->shader->type = ST_VERTEX;
1376     ret->shader->version = BWRITERVS_VERSION(1, 1);
1377     ret->funcs = &parser_vs_1;
1378     gen_oldvs_output(ret->shader);
1379 }
1380
1381 void create_vs20_parser(struct asm_parser *ret) {
1382     TRACE_(parsed_shader)("vs_2_0\n");
1383
1384     ret->shader = asm_alloc(sizeof(*ret->shader));
1385     if(!ret->shader) {
1386         ERR("Failed to allocate memory for the shader\n");
1387         set_parse_status(ret, PARSE_ERR);
1388         return;
1389     }
1390
1391     ret->shader->type = ST_VERTEX;
1392     ret->shader->version = BWRITERVS_VERSION(2, 0);
1393     ret->funcs = &parser_vs_2;
1394     gen_oldvs_output(ret->shader);
1395 }
1396
1397 void create_vs2x_parser(struct asm_parser *ret) {
1398     TRACE_(parsed_shader)("vs_2_x\n");
1399
1400     ret->shader = asm_alloc(sizeof(*ret->shader));
1401     if(!ret->shader) {
1402         ERR("Failed to allocate memory for the shader\n");
1403         set_parse_status(ret, PARSE_ERR);
1404         return;
1405     }
1406
1407     ret->shader->type = ST_VERTEX;
1408     ret->shader->version = BWRITERVS_VERSION(2, 1);
1409     ret->funcs = &parser_vs_2;
1410     gen_oldvs_output(ret->shader);
1411 }
1412
1413 void create_vs30_parser(struct asm_parser *ret) {
1414     TRACE_(parsed_shader)("vs_3_0\n");
1415
1416     ret->shader = asm_alloc(sizeof(*ret->shader));
1417     if(!ret->shader) {
1418         ERR("Failed to allocate memory for the shader\n");
1419         set_parse_status(ret, PARSE_ERR);
1420         return;
1421     }
1422
1423     ret->shader->type = ST_VERTEX;
1424     ret->shader->version = BWRITERVS_VERSION(3, 0);
1425     ret->funcs = &parser_vs_3;
1426 }
1427
1428 void create_ps10_parser(struct asm_parser *ret) {
1429     TRACE_(parsed_shader)("ps_1_0\n");
1430
1431     ret->shader = asm_alloc(sizeof(*ret->shader));
1432     if(!ret->shader) {
1433         ERR("Failed to allocate memory for the shader\n");
1434         set_parse_status(ret, PARSE_ERR);
1435         return;
1436     }
1437
1438     ret->shader->type = ST_PIXEL;
1439     ret->shader->version = BWRITERPS_VERSION(1, 0);
1440     ret->funcs = &parser_ps_1_0123;
1441     gen_oldps_input(ret->shader, 4);
1442 }
1443
1444 void create_ps11_parser(struct asm_parser *ret) {
1445     TRACE_(parsed_shader)("ps_1_1\n");
1446
1447     ret->shader = asm_alloc(sizeof(*ret->shader));
1448     if(!ret->shader) {
1449         ERR("Failed to allocate memory for the shader\n");
1450         set_parse_status(ret, PARSE_ERR);
1451         return;
1452     }
1453
1454     ret->shader->type = ST_PIXEL;
1455     ret->shader->version = BWRITERPS_VERSION(1, 1);
1456     ret->funcs = &parser_ps_1_0123;
1457     gen_oldps_input(ret->shader, 4);
1458 }
1459
1460 void create_ps12_parser(struct asm_parser *ret) {
1461     TRACE_(parsed_shader)("ps_1_2\n");
1462
1463     ret->shader = asm_alloc(sizeof(*ret->shader));
1464     if(!ret->shader) {
1465         ERR("Failed to allocate memory for the shader\n");
1466         set_parse_status(ret, PARSE_ERR);
1467         return;
1468     }
1469
1470     ret->shader->type = ST_PIXEL;
1471     ret->shader->version = BWRITERPS_VERSION(1, 2);
1472     ret->funcs = &parser_ps_1_0123;
1473     gen_oldps_input(ret->shader, 4);
1474 }
1475
1476 void create_ps13_parser(struct asm_parser *ret) {
1477     TRACE_(parsed_shader)("ps_1_3\n");
1478
1479     ret->shader = asm_alloc(sizeof(*ret->shader));
1480     if(!ret->shader) {
1481         ERR("Failed to allocate memory for the shader\n");
1482         set_parse_status(ret, PARSE_ERR);
1483         return;
1484     }
1485
1486     ret->shader->type = ST_PIXEL;
1487     ret->shader->version = BWRITERPS_VERSION(1, 3);
1488     ret->funcs = &parser_ps_1_0123;
1489     gen_oldps_input(ret->shader, 4);
1490 }
1491
1492 void create_ps14_parser(struct asm_parser *ret) {
1493     TRACE_(parsed_shader)("ps_1_4\n");
1494
1495     ret->shader = asm_alloc(sizeof(*ret->shader));
1496     if(!ret->shader) {
1497         ERR("Failed to allocate memory for the shader\n");
1498         set_parse_status(ret, PARSE_ERR);
1499         return;
1500     }
1501
1502     ret->shader->type = ST_PIXEL;
1503     ret->shader->version = BWRITERPS_VERSION(1, 4);
1504     ret->funcs = &parser_ps_1_4;
1505     gen_oldps_input(ret->shader, 6);
1506 }
1507
1508 void create_ps20_parser(struct asm_parser *ret) {
1509     TRACE_(parsed_shader)("ps_2_0\n");
1510
1511     ret->shader = asm_alloc(sizeof(*ret->shader));
1512     if(!ret->shader) {
1513         ERR("Failed to allocate memory for the shader\n");
1514         set_parse_status(ret, PARSE_ERR);
1515         return;
1516     }
1517
1518     ret->shader->type = ST_PIXEL;
1519     ret->shader->version = BWRITERPS_VERSION(2, 0);
1520     ret->funcs = &parser_ps_2;
1521     gen_oldps_input(ret->shader, 8);
1522 }
1523
1524 void create_ps2x_parser(struct asm_parser *ret) {
1525     TRACE_(parsed_shader)("ps_2_x\n");
1526
1527     ret->shader = asm_alloc(sizeof(*ret->shader));
1528     if(!ret->shader) {
1529         ERR("Failed to allocate memory for the shader\n");
1530         set_parse_status(ret, PARSE_ERR);
1531         return;
1532     }
1533
1534     ret->shader->type = ST_PIXEL;
1535     ret->shader->version = BWRITERPS_VERSION(2, 1);
1536     ret->funcs = &parser_ps_2_x;
1537     gen_oldps_input(ret->shader, 8);
1538 }
1539
1540 void create_ps30_parser(struct asm_parser *ret) {
1541     TRACE_(parsed_shader)("ps_3_0\n");
1542
1543     ret->shader = asm_alloc(sizeof(*ret->shader));
1544     if(!ret->shader) {
1545         ERR("Failed to allocate memory for the shader\n");
1546         set_parse_status(ret, PARSE_ERR);
1547         return;
1548     }
1549
1550     ret->shader->type = ST_PIXEL;
1551     ret->shader->version = BWRITERPS_VERSION(3, 0);
1552     ret->funcs = &parser_ps_3;
1553 }