git.oblomov.eu Git - wine/blob - dlls/wined3d/baseshader.c

   1 /*
   2  * shaders implementation
   3  *
   4  * Copyright 2002-2003 Jason Edmeades
   5  * Copyright 2002-2003 Raphael Junqueira
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2006 Ivan Gyurdiev
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include "wined3d_private.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  31
  32 #define GLNAME_REQUIRE_GLSL  ((const char *)1)
  33
  34 inline static BOOL shader_is_version_token(DWORD token) {
  35     return shader_is_pshader_version(token) ||
  36            shader_is_vshader_version(token);
  37 }
  38
  39 int shader_addline(
  40     SHADER_BUFFER* buffer,
  41     const char *format, ...) {
  42
  43     char* base = buffer->buffer + buffer->bsize;
  44     int rc;
  45
  46     va_list args;
  47     va_start(args, format);
  48     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  49     va_end(args);
  50
  51     if (rc < 0 ||                                   /* C89 */
  52         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  53
  54         ERR("The buffer allocated for the shader program string "
  55             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  56         buffer->bsize = SHADER_PGMSIZE - 1;
  57         return -1;
  58     }
  59
  60     if (buffer->newline) {
  61         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
  62         buffer->newline = FALSE;
  63     } else {
  64         TRACE("%s", base);
  65     }
  66
  67     buffer->bsize += rc;
  68     if (buffer->buffer[buffer->bsize-1] == '\n') {
  69         buffer->lineNo++;
  70         buffer->newline = TRUE;
  71     }
  72     return 0;
  73 }
  74
  75 const SHADER_OPCODE* shader_get_opcode(
  76     IWineD3DBaseShader *iface, const DWORD code) {
  77
  78     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) iface;
  79
  80     DWORD i = 0;
  81     DWORD hex_version = This->baseShader.hex_version;
  82     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
  83
  84     /** TODO: use dichotomic search */
  85     while (NULL != shader_ins[i].name) {
  86         if (((code & WINED3DSI_OPCODE_MASK) == shader_ins[i].opcode) &&
  87             (((hex_version >= shader_ins[i].min_version) && (hex_version <= shader_ins[i].max_version)) ||
  88             ((shader_ins[i].min_version == 0) && (shader_ins[i].max_version == 0)))) {
  89             return &shader_ins[i];
  90         }
  91         ++i;
  92     }
  93     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
  94        code, code, code & WINED3DSI_OPCODE_MASK, hex_version);
  95     return NULL;
  96 }
  97
  98 /* Read a parameter opcode from the input stream,
  99  * and possibly a relative addressing token.
 100  * Return the number of tokens read */
 101 int shader_get_param(
 102     IWineD3DBaseShader* iface,
 103     const DWORD* pToken,
 104     DWORD* param,
 105     DWORD* addr_token) {
 106
 107     /* PS >= 3.0 have relative addressing (with token)
 108      * VS >= 2.0 have relative addressing (with token)
 109      * VS >= 1.0 < 2.0 have relative addressing (without token)
 110      * The version check below should work in general */
 111
 112     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 113     char rel_token = WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2 &&
 114         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 115
 116     *param = *pToken;
 117     *addr_token = rel_token? *(pToken + 1): 0;
 118     return rel_token? 2:1;
 119 }
 120
 121 /* Return the number of parameters to skip for an opcode */
 122 static inline int shader_skip_opcode(
 123     IWineD3DBaseShaderImpl* This,
 124     const SHADER_OPCODE* curOpcode,
 125     DWORD opcode_token) {
 126
 127    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 128     * have a useful legnth mask - use it here. Shaders 1.0 contain no such tokens */
 129
 130     return (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2)?
 131         ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT):
 132         curOpcode->num_params;
 133 }
 134
 135 /* Read the parameters of an unrecognized opcode from the input stream
 136  * Return the number of tokens read.
 137  *
 138  * Note: This function assumes source or destination token format.
 139  * It will not work with specially-formatted tokens like DEF or DCL,
 140  * but hopefully those would be recognized */
 141
 142 int shader_skip_unrecognized(
 143     IWineD3DBaseShader* iface,
 144     const DWORD* pToken) {
 145
 146     int tokens_read = 0;
 147     int i = 0;
 148
 149     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 150     while (*pToken & 0x80000000) {
 151
 152         DWORD param, addr_token;
 153         tokens_read += shader_get_param(iface, pToken, &param, &addr_token);
 154         pToken += tokens_read;
 155
 156         FIXME("Unrecognized opcode param: token=%08x "
 157             "addr_token=%08x name=", param, addr_token);
 158         shader_dump_param(iface, param, addr_token, i);
 159         FIXME("\n");
 160         ++i;
 161     }
 162     return tokens_read;
 163 }
 164
 165 /* Convert floating point offset relative
 166  * to a register file to an absolute offset for float constants */
 167
 168 unsigned int shader_get_float_offset(const DWORD reg) {
 169
 170      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 171      int regtype = shader_get_regtype(reg);
 172
 173      switch (regtype) {
 174         case WINED3DSPR_CONST: return regnum;
 175         case WINED3DSPR_CONST2: return 2048 + regnum;
 176         case WINED3DSPR_CONST3: return 4096 + regnum;
 177         case WINED3DSPR_CONST4: return 6144 + regnum;
 178         default:
 179             FIXME("Unsupported register type: %d\n", regtype);
 180             return regnum;
 181      }
 182 }
 183
 184 /* Note that this does not count the loop register
 185  * as an address register. */
 186
 187 HRESULT shader_get_registers_used(
 188     IWineD3DBaseShader *iface,
 189     shader_reg_maps* reg_maps,
 190     semantic* semantics_in,
 191     semantic* semantics_out,
 192     CONST DWORD* pToken,
 193     IWineD3DStateBlockImpl *stateBlock) {
 194
 195     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 196
 197     /* There are some minor differences between pixel and vertex shaders */
 198     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 199
 200     if (pToken == NULL)
 201         return WINED3D_OK;
 202
 203     while (WINED3DVS_END() != *pToken) {
 204         CONST SHADER_OPCODE* curOpcode;
 205         DWORD opcode_token;
 206
 207         /* Skip version */
 208         if (shader_is_version_token(*pToken)) {
 209              ++pToken;
 210              continue;
 211
 212         /* Skip comments */
 213         } else if (shader_is_comment(*pToken)) {
 214              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 215              ++pToken;
 216              pToken += comment_len;
 217              continue;
 218         }
 219
 220         /* Fetch opcode */
 221         opcode_token = *pToken++;
 222         curOpcode = shader_get_opcode(iface, opcode_token);
 223
 224         /* Unhandled opcode, and its parameters */
 225         if (NULL == curOpcode) {
 226            while (*pToken & 0x80000000)
 227                ++pToken;
 228
 229         /* Handle declarations */
 230         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 231
 232             DWORD usage = *pToken++;
 233             DWORD param = *pToken++;
 234             DWORD regtype = shader_get_regtype(param);
 235             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 236
 237             /* Vshader: mark attributes used
 238                Pshader: mark 3.0 input registers used, save token */
 239             if (WINED3DSPR_INPUT == regtype) {
 240
 241                 if (!pshader)
 242                     reg_maps->attributes[regnum] = 1;
 243                 else
 244                     reg_maps->packed_input[regnum] = 1;
 245
 246                 semantics_in[regnum].usage = usage;
 247                 semantics_in[regnum].reg = param;
 248
 249             /* Vshader: mark 3.0 output registers used, save token */
 250             } else if (WINED3DSPR_OUTPUT == regtype) {
 251                 reg_maps->packed_output[regnum] = 1;
 252                 semantics_out[regnum].usage = usage;
 253                 semantics_out[regnum].reg = param;
 254
 255             /* Save sampler usage token */
 256             } else if (WINED3DSPR_SAMPLER == regtype)
 257                 reg_maps->samplers[regnum] = usage;
 258
 259         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 260
 261             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 262             if (!lconst) return E_OUTOFMEMORY;
 263             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 264             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 265             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 266             pToken += curOpcode->num_params;
 267
 268         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 269
 270             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 271             if (!lconst) return E_OUTOFMEMORY;
 272             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 273             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 274             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 275             pToken += curOpcode->num_params;
 276
 277         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 278
 279             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 280             if (!lconst) return E_OUTOFMEMORY;
 281             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 282             memcpy(&lconst->value, pToken + 1, 1 * sizeof(DWORD));
 283             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 284             pToken += curOpcode->num_params;
 285
 286         /* If there's a loop in the shader */
 287         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 288                    WINED3DSIO_REP == curOpcode->opcode) {
 289             reg_maps->loop = 1;
 290             pToken += curOpcode->num_params;
 291
 292         /* For subroutine prototypes */
 293         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 294
 295             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 296             reg_maps->labels[snum] = 1;
 297             pToken += curOpcode->num_params;
 298
 299         /* Set texture, address, temporary registers */
 300         } else {
 301             int i, limit;
 302
 303             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 304             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 305                 (WINED3DSIO_TEX == curOpcode->opcode ||
 306                  WINED3DSIO_TEXBEM == curOpcode->opcode ||
 307                  WINED3DSIO_TEXBEML == curOpcode->opcode ||
 308                  WINED3DSIO_TEXDP3TEX == curOpcode->opcode ||
 309                  WINED3DSIO_TEXM3x2TEX == curOpcode->opcode ||
 310                  WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode ||
 311                  WINED3DSIO_TEXM3x3TEX == curOpcode->opcode ||
 312                  WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode ||
 313                  WINED3DSIO_TEXREG2AR == curOpcode->opcode ||
 314                  WINED3DSIO_TEXREG2GB == curOpcode->opcode ||
 315                  WINED3DSIO_TEXREG2RGB == curOpcode->opcode)) {
 316
 317                 /* Fake sampler usage, only set reserved bit and ttype */
 318                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 319
 320                 if(!stateBlock->textures[sampler_code]) {
 321                     ERR("No texture bound to sampler %d\n", sampler_code);
 322                     reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 323                 } else {
 324                     int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
 325                     switch(texType) {
 326                         case GL_TEXTURE_1D:
 327                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_1D;
 328                             break;
 329
 330                         case GL_TEXTURE_2D:
 331                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 332                             break;
 333
 334                         case GL_TEXTURE_3D:
 335                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
 336                             break;
 337
 338                         case GL_TEXTURE_CUBE_MAP_ARB:
 339                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 340                             break;
 341
 342                         default:
 343                             ERR("Unexpected gl texture type found: %d\n", texType);
 344                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 345                     }
 346                 }
 347
 348                 /* texbem is only valid with < 1.4 pixel shaders */
 349                 if(WINED3DSIO_TEXBEM == curOpcode->opcode) {
 350                     if(reg_maps->bumpmat != 0 && reg_maps->bumpmat != sampler_code) {
 351                         FIXME("Pixel shader uses texbem instruction on more than 1 sampler\n");
 352                     } else {
 353                         reg_maps->bumpmat = sampler_code;
 354                     }
 355                 }
 356             }
 357
 358             /* This will loop over all the registers and try to
 359              * make a bitmask of the ones we're interested in.
 360              *
 361              * Relative addressing tokens are ignored, but that's
 362              * okay, since we'll catch any address registers when
 363              * they are initialized (required by spec) */
 364
 365             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 366                 curOpcode->num_params + 1: curOpcode->num_params;
 367
 368             for (i = 0; i < limit; ++i) {
 369
 370                 DWORD param, addr_token, reg, regtype;
 371                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 372
 373                 regtype = shader_get_regtype(param);
 374                 reg = param & WINED3DSP_REGNUM_MASK;
 375
 376                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 377
 378                     if (pshader)
 379                         reg_maps->texcoord[reg] = 1;
 380                     else
 381                         reg_maps->address[reg] = 1;
 382                 }
 383
 384                 else if (WINED3DSPR_TEMP == regtype)
 385                     reg_maps->temporary[reg] = 1;
 386
 387                 else if (WINED3DSPR_INPUT == regtype && !pshader)
 388                     reg_maps->attributes[reg] = 1;
 389
 390                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 391                     reg_maps->fog = 1;
 392              }
 393         }
 394     }
 395
 396     return WINED3D_OK;
 397 }
 398
 399 static void shader_dump_decl_usage(
 400     IWineD3DBaseShaderImpl* This,
 401     DWORD decl,
 402     DWORD param) {
 403
 404     DWORD regtype = shader_get_regtype(param);
 405
 406     TRACE("dcl");
 407
 408     if (regtype == WINED3DSPR_SAMPLER) {
 409         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 410
 411         switch (ttype) {
 412             case WINED3DSTT_2D: TRACE("_2d"); break;
 413             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 414             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 415             default: TRACE("_unknown_ttype(%08x)", ttype);
 416        }
 417
 418     } else {
 419
 420         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 421         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 422
 423         /* Pixel shaders 3.0 don't have usage semantics */
 424         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 425         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 426             return;
 427         else
 428             TRACE("_");
 429
 430         switch(usage) {
 431         case WINED3DDECLUSAGE_POSITION:
 432             TRACE("position%d", idx);
 433             break;
 434         case WINED3DDECLUSAGE_BLENDINDICES:
 435             TRACE("blend");
 436             break;
 437         case WINED3DDECLUSAGE_BLENDWEIGHT:
 438             TRACE("weight");
 439             break;
 440         case WINED3DDECLUSAGE_NORMAL:
 441             TRACE("normal%d", idx);
 442             break;
 443         case WINED3DDECLUSAGE_PSIZE:
 444             TRACE("psize");
 445             break;
 446         case WINED3DDECLUSAGE_COLOR:
 447             if(idx == 0)  {
 448                 TRACE("color");
 449             } else {
 450                 TRACE("specular%d", (idx - 1));
 451             }
 452             break;
 453         case WINED3DDECLUSAGE_TEXCOORD:
 454             TRACE("texture%d", idx);
 455             break;
 456         case WINED3DDECLUSAGE_TANGENT:
 457             TRACE("tangent");
 458             break;
 459         case WINED3DDECLUSAGE_BINORMAL:
 460             TRACE("binormal");
 461             break;
 462         case WINED3DDECLUSAGE_TESSFACTOR:
 463             TRACE("tessfactor");
 464             break;
 465         case WINED3DDECLUSAGE_POSITIONT:
 466             TRACE("positionT%d", idx);
 467             break;
 468         case WINED3DDECLUSAGE_FOG:
 469             TRACE("fog");
 470             break;
 471         case WINED3DDECLUSAGE_DEPTH:
 472             TRACE("depth");
 473             break;
 474         case WINED3DDECLUSAGE_SAMPLE:
 475             TRACE("sample");
 476             break;
 477         default:
 478             FIXME("unknown_semantics(%08x)", usage);
 479         }
 480     }
 481 }
 482
 483 static void shader_dump_arr_entry(
 484     IWineD3DBaseShader *iface,
 485     const DWORD param,
 486     const DWORD addr_token,
 487     unsigned int reg,
 488     int input) {
 489
 490     char relative =
 491         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 492
 493     if (relative) {
 494         TRACE("[");
 495         if (addr_token)
 496             shader_dump_param(iface, addr_token, 0, input);
 497         else
 498             TRACE("a0.x");
 499         TRACE(" + ");
 500      }
 501      TRACE("%u", reg);
 502      if (relative)
 503          TRACE("]");
 504 }
 505
 506 void shader_dump_param(
 507     IWineD3DBaseShader *iface,
 508     const DWORD param,
 509     const DWORD addr_token,
 510     int input) {
 511
 512     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 513     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 514     char swizzle_reg_chars[4];
 515
 516     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 517     DWORD regtype = shader_get_regtype(param);
 518     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 519
 520     /* There are some minor differences between pixel and vertex shaders */
 521     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 522
 523     /* For one, we'd prefer color components to be shown for pshaders.
 524      * FIXME: use the swizzle function for this */
 525
 526     swizzle_reg_chars[0] = pshader? 'r': 'x';
 527     swizzle_reg_chars[1] = pshader? 'g': 'y';
 528     swizzle_reg_chars[2] = pshader? 'b': 'z';
 529     swizzle_reg_chars[3] = pshader? 'a': 'w';
 530
 531     if (input) {
 532         if ( (modifier == WINED3DSPSM_NEG) ||
 533              (modifier == WINED3DSPSM_BIASNEG) ||
 534              (modifier == WINED3DSPSM_SIGNNEG) ||
 535              (modifier == WINED3DSPSM_X2NEG) ||
 536              (modifier == WINED3DSPSM_ABSNEG) )
 537             TRACE("-");
 538         else if (modifier == WINED3DSPSM_COMP)
 539             TRACE("1-");
 540         else if (modifier == WINED3DSPSM_NOT)
 541             TRACE("!");
 542
 543         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 544             TRACE("abs(");
 545     }
 546
 547     switch (regtype) {
 548         case WINED3DSPR_TEMP:
 549             TRACE("r%u", reg);
 550             break;
 551         case WINED3DSPR_INPUT:
 552             TRACE("v");
 553             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 554             break;
 555         case WINED3DSPR_CONST:
 556         case WINED3DSPR_CONST2:
 557         case WINED3DSPR_CONST3:
 558         case WINED3DSPR_CONST4:
 559             TRACE("c");
 560             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 561             break;
 562         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 563             TRACE("%c%u", (pshader? 't':'a'), reg);
 564             break;
 565         case WINED3DSPR_RASTOUT:
 566             TRACE("%s", rastout_reg_names[reg]);
 567             break;
 568         case WINED3DSPR_COLOROUT:
 569             TRACE("oC%u", reg);
 570             break;
 571         case WINED3DSPR_DEPTHOUT:
 572             TRACE("oDepth");
 573             break;
 574         case WINED3DSPR_ATTROUT:
 575             TRACE("oD%u", reg);
 576             break;
 577         case WINED3DSPR_TEXCRDOUT:
 578
 579             /* Vertex shaders >= 3.0 use general purpose output registers
 580              * (WINED3DSPR_OUTPUT), which can include an address token */
 581
 582             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 583                 TRACE("o");
 584                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 585             }
 586             else
 587                TRACE("oT%u", reg);
 588             break;
 589         case WINED3DSPR_CONSTINT:
 590             TRACE("i");
 591             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 592             break;
 593         case WINED3DSPR_CONSTBOOL:
 594             TRACE("b");
 595             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 596             break;
 597         case WINED3DSPR_LABEL:
 598             TRACE("l%u", reg);
 599             break;
 600         case WINED3DSPR_LOOP:
 601             TRACE("aL");
 602             break;
 603         case WINED3DSPR_SAMPLER:
 604             TRACE("s%u", reg);
 605             break;
 606         case WINED3DSPR_PREDICATE:
 607             TRACE("p%u", reg);
 608             break;
 609         default:
 610             TRACE("unhandled_rtype(%#x)", regtype);
 611             break;
 612    }
 613
 614    if (!input) {
 615        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 616
 617        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 618            TRACE(".");
 619            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 620            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 621            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 622            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 623        }
 624
 625    } else {
 626         /** operand input */
 627         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 628         DWORD swizzle_r = swizzle & 0x03;
 629         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 630         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 631         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 632
 633         if (0 != modifier) {
 634             switch (modifier) {
 635                 case WINED3DSPSM_NONE:    break;
 636                 case WINED3DSPSM_NEG:     break;
 637                 case WINED3DSPSM_NOT:     break;
 638                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 639                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 640                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 641                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 642                 case WINED3DSPSM_COMP:    break;
 643                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 644                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 645                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 646                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 647                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 648                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 649                 default:
 650                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 651             }
 652         }
 653
 654         /**
 655         * swizzle bits fields:
 656         *  RRGGBBAA
 657         */
 658         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 659             if (swizzle_r == swizzle_g &&
 660                 swizzle_r == swizzle_b &&
 661                 swizzle_r == swizzle_a) {
 662                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 663             } else {
 664                 TRACE(".%c%c%c%c",
 665                 swizzle_reg_chars[swizzle_r],
 666                 swizzle_reg_chars[swizzle_g],
 667                 swizzle_reg_chars[swizzle_b],
 668                 swizzle_reg_chars[swizzle_a]);
 669             }
 670         }
 671     }
 672 }
 673
 674 /** Shared code in order to generate the bulk of the shader string.
 675     Use the shader_header_fct & shader_footer_fct to add strings
 676     that are specific to pixel or vertex functions
 677     NOTE: A description of how to parse tokens can be found at:
 678           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 679 void shader_generate_main(
 680     IWineD3DBaseShader *iface,
 681     SHADER_BUFFER* buffer,
 682     shader_reg_maps* reg_maps,
 683     CONST DWORD* pFunction) {
 684
 685     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 686     const DWORD *pToken = pFunction;
 687     const SHADER_OPCODE *curOpcode = NULL;
 688     SHADER_HANDLER hw_fct = NULL;
 689     DWORD i;
 690     SHADER_OPCODE_ARG hw_arg;
 691
 692     /* Initialize current parsing state */
 693     hw_arg.shader = iface;
 694     hw_arg.buffer = buffer;
 695     hw_arg.reg_maps = reg_maps;
 696     This->baseShader.parse_state.current_row = 0;
 697
 698     /* Second pass, process opcodes */
 699     if (NULL != pToken) {
 700         while (WINED3DPS_END() != *pToken) {
 701
 702             /* Skip version token */
 703             if (shader_is_version_token(*pToken)) {
 704                 ++pToken;
 705                 continue;
 706             }
 707
 708             /* Skip comment tokens */
 709             if (shader_is_comment(*pToken)) {
 710                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 711                 ++pToken;
 712                 TRACE("#%s\n", (const char*)pToken);
 713                 pToken += comment_len;
 714                 continue;
 715             }
 716
 717             /* Read opcode */
 718             hw_arg.opcode_token = *pToken++;
 719             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 720
 721             /* Select handler */
 722             if (curOpcode == NULL)
 723                 hw_fct = NULL;
 724             else if (This->baseShader.shader_mode == SHADER_GLSL)
 725                 hw_fct = curOpcode->hw_glsl_fct;
 726             else if (This->baseShader.shader_mode == SHADER_ARB)
 727                 hw_fct = curOpcode->hw_fct;
 728
 729             /* Unknown opcode and its parameters */
 730             if (NULL == curOpcode) {
 731                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 732                 pToken += shader_skip_unrecognized(iface, pToken);
 733
 734             /* Nothing to do */
 735             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 736                        WINED3DSIO_NOP == curOpcode->opcode ||
 737                        WINED3DSIO_DEF == curOpcode->opcode ||
 738                        WINED3DSIO_DEFI == curOpcode->opcode ||
 739                        WINED3DSIO_DEFB == curOpcode->opcode ||
 740                        WINED3DSIO_PHASE == curOpcode->opcode ||
 741                        WINED3DSIO_RET == curOpcode->opcode) {
 742
 743                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 744
 745             /* If a generator function is set for current shader target, use it */
 746             } else if (hw_fct != NULL) {
 747
 748                 hw_arg.opcode = curOpcode;
 749
 750                 /* Destination token */
 751                 if (curOpcode->dst_token) {
 752
 753                     DWORD param, addr_token = 0;
 754                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 755                     hw_arg.dst = param;
 756                     hw_arg.dst_addr = addr_token;
 757                 }
 758
 759                 /* Predication token */
 760                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 761                     hw_arg.predicate = *pToken++;
 762
 763                 /* Other source tokens */
 764                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 765
 766                     DWORD param, addr_token = 0;
 767                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 768                     hw_arg.src[i] = param;
 769                     hw_arg.src_addr[i] = addr_token;
 770                 }
 771
 772                 /* Call appropriate function for output target */
 773                 hw_fct(&hw_arg);
 774
 775                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 776                 if (This->baseShader.shader_mode == SHADER_GLSL)
 777                     shader_glsl_add_instruction_modifiers(&hw_arg);
 778
 779             /* Unhandled opcode */
 780             } else {
 781
 782                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 783                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 784             }
 785         }
 786         /* TODO: What about result.depth? */
 787
 788     }
 789 }
 790
 791 void shader_dump_ins_modifiers(const DWORD output) {
 792
 793     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 794     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 795
 796     switch (shift) {
 797         case 0: break;
 798         case 13: TRACE("_d8"); break;
 799         case 14: TRACE("_d4"); break;
 800         case 15: TRACE("_d2"); break;
 801         case 1: TRACE("_x2"); break;
 802         case 2: TRACE("_x4"); break;
 803         case 3: TRACE("_x8"); break;
 804         default: TRACE("_unhandled_shift(%d)", shift); break;
 805     }
 806
 807     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 808     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 809     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 810
 811     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 812     if (mmask)
 813         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 814 }
 815
 816 /* First pass: trace shader, initialize length and version */
 817 void shader_trace_init(
 818     IWineD3DBaseShader *iface,
 819     const DWORD* pFunction) {
 820
 821     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 822
 823     const DWORD* pToken = pFunction;
 824     const SHADER_OPCODE* curOpcode = NULL;
 825     DWORD opcode_token;
 826     unsigned int len = 0;
 827     DWORD i;
 828
 829     TRACE("(%p) : Parsing programme\n", This);
 830
 831     if (NULL != pToken) {
 832         while (WINED3DVS_END() != *pToken) {
 833             if (shader_is_version_token(*pToken)) { /** version */
 834                 This->baseShader.hex_version = *pToken;
 835                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 836                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 837                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 838                 ++pToken;
 839                 ++len;
 840                 continue;
 841             }
 842             if (shader_is_comment(*pToken)) { /** comment */
 843                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 844                 ++pToken;
 845                 TRACE("//%s\n", (const char*)pToken);
 846                 pToken += comment_len;
 847                 len += comment_len + 1;
 848                 continue;
 849             }
 850             opcode_token = *pToken++;
 851             curOpcode = shader_get_opcode(iface, opcode_token);
 852             len++;
 853
 854             if (NULL == curOpcode) {
 855                 int tokens_read;
 856                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 857                 tokens_read = shader_skip_unrecognized(iface, pToken);
 858                 pToken += tokens_read;
 859                 len += tokens_read;
 860
 861             } else {
 862                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 863
 864                     DWORD usage = *pToken;
 865                     DWORD param = *(pToken + 1);
 866
 867                     shader_dump_decl_usage(This, usage, param);
 868                     shader_dump_ins_modifiers(param);
 869                     TRACE(" ");
 870                     shader_dump_param(iface, param, 0, 0);
 871                     pToken += 2;
 872                     len += 2;
 873
 874                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 875
 876                         unsigned int offset = shader_get_float_offset(*pToken);
 877
 878                         TRACE("def c%u = %f, %f, %f, %f", offset,
 879                             *(const float *)(pToken + 1),
 880                             *(const float *)(pToken + 2),
 881                             *(const float *)(pToken + 3),
 882                             *(const float *)(pToken + 4));
 883
 884                         pToken += 5;
 885                         len += 5;
 886                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 887
 888                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 889                             *(pToken + 1),
 890                             *(pToken + 2),
 891                             *(pToken + 3),
 892                             *(pToken + 4));
 893
 894                         pToken += 5;
 895                         len += 5;
 896
 897                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 898
 899                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 900                             *(pToken + 1)? "true": "false");
 901
 902                         pToken += 2;
 903                         len += 2;
 904
 905                 } else {
 906
 907                     DWORD param, addr_token;
 908                     int tokens_read;
 909
 910                     /* Print out predication source token first - it follows
 911                      * the destination token. */
 912                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 913                         TRACE("(");
 914                         shader_dump_param(iface, *(pToken + 2), 0, 1);
 915                         TRACE(") ");
 916                     }
 917
 918                     TRACE("%s", curOpcode->name);
 919
 920                     if (curOpcode->opcode == WINED3DSIO_IFC ||
 921                         curOpcode->opcode == WINED3DSIO_BREAKC) {
 922
 923                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
 924                         switch (op) {
 925                             case COMPARISON_GT: TRACE("_gt"); break;
 926                             case COMPARISON_EQ: TRACE("_eq"); break;
 927                             case COMPARISON_GE: TRACE("_ge"); break;
 928                             case COMPARISON_LT: TRACE("_lt"); break;
 929                             case COMPARISON_NE: TRACE("_ne"); break;
 930                             case COMPARISON_LE: TRACE("_le"); break;
 931                             default:
 932                                 TRACE("_(%u)", op);
 933                         }
 934                     }
 935
 936                     /* Destination token */
 937                     if (curOpcode->dst_token) {
 938
 939                         /* Destination token */
 940                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 941                         pToken += tokens_read;
 942                         len += tokens_read;
 943
 944                         shader_dump_ins_modifiers(param);
 945                         TRACE(" ");
 946                         shader_dump_param(iface, param, addr_token, 0);
 947                     }
 948
 949                     /* Predication token - already printed out, just skip it */
 950                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 951                         pToken++;
 952                         len++;
 953                     }
 954
 955                     /* Other source tokens */
 956                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
 957
 958                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 959                         pToken += tokens_read;
 960                         len += tokens_read;
 961
 962                         TRACE((i == 0)? " " : ", ");
 963                         shader_dump_param(iface, param, addr_token, 1);
 964                     }
 965                 }
 966                 TRACE("\n");
 967             }
 968         }
 969         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
 970     } else {
 971         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
 972     }
 973 }
 974
 975 void shader_delete_constant_list(
 976     struct list* clist) {
 977
 978     struct list *ptr;
 979     struct local_constant* constant;
 980
 981     ptr = list_head(clist);
 982     while (ptr) {
 983         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 984         ptr = list_next(clist, ptr);
 985         HeapFree(GetProcessHeap(), 0, constant);
 986     }
 987 }
 988
 989 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
 990 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
 991 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
 992 static void shader_none_cleanup(IWineD3DDevice *iface) {}
 993
 994 const shader_backend_t none_shader_backend = {
 995     &shader_none_select,
 996     &shader_none_select_depth_blt,
 997     &shader_none_load_constants,
 998     &shader_none_cleanup
 999 };