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     buffer->bsize += rc;
  61     buffer->lineNo++;
  62     TRACE("GL HW (%u, %u) : %s", buffer->lineNo, buffer->bsize, base);
  63     return 0;
  64 }
  65
  66 const SHADER_OPCODE* shader_get_opcode(
  67     IWineD3DBaseShader *iface, const DWORD code) {
  68
  69     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) iface;
  70
  71     DWORD i = 0;
  72     DWORD hex_version = This->baseShader.hex_version;
  73     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
  74
  75     /** TODO: use dichotomic search */
  76     while (NULL != shader_ins[i].name) {
  77         if (((code & WINED3DSI_OPCODE_MASK) == shader_ins[i].opcode) &&
  78             (((hex_version >= shader_ins[i].min_version) && (hex_version <= shader_ins[i].max_version)) ||
  79             ((shader_ins[i].min_version == 0) && (shader_ins[i].max_version == 0)))) {
  80             return &shader_ins[i];
  81         }
  82         ++i;
  83     }
  84     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
  85        code, code, code & WINED3DSI_OPCODE_MASK, hex_version);
  86     return NULL;
  87 }
  88
  89 /* Read a parameter opcode from the input stream,
  90  * and possibly a relative addressing token.
  91  * Return the number of tokens read */
  92 int shader_get_param(
  93     IWineD3DBaseShader* iface,
  94     const DWORD* pToken,
  95     DWORD* param,
  96     DWORD* addr_token) {
  97
  98     /* PS >= 3.0 have relative addressing (with token)
  99      * VS >= 2.0 have relative addressing (with token)
 100      * VS >= 1.0 < 2.0 have relative addressing (without token)
 101      * The version check below should work in general */
 102
 103     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 104     char rel_token = WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2 &&
 105         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 106
 107     *param = *pToken;
 108     *addr_token = rel_token? *(pToken + 1): 0;
 109     return rel_token? 2:1;
 110 }
 111
 112 /* Return the number of parameters to skip for an opcode */
 113 static inline int shader_skip_opcode(
 114     IWineD3DBaseShaderImpl* This,
 115     const SHADER_OPCODE* curOpcode,
 116     DWORD opcode_token) {
 117
 118    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 119     * have a useful legnth mask - use it here. Shaders 1.0 contain no such tokens */
 120
 121     return (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2)?
 122         ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT):
 123         curOpcode->num_params;
 124 }
 125
 126 /* Read the parameters of an unrecognized opcode from the input stream
 127  * Return the number of tokens read.
 128  *
 129  * Note: This function assumes source or destination token format.
 130  * It will not work with specially-formatted tokens like DEF or DCL,
 131  * but hopefully those would be recognized */
 132
 133 int shader_skip_unrecognized(
 134     IWineD3DBaseShader* iface,
 135     const DWORD* pToken) {
 136
 137     int tokens_read = 0;
 138     int i = 0;
 139
 140     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 141     while (*pToken & 0x80000000) {
 142
 143         DWORD param, addr_token;
 144         tokens_read += shader_get_param(iface, pToken, &param, &addr_token);
 145         pToken += tokens_read;
 146
 147         FIXME("Unrecognized opcode param: token=%08x "
 148             "addr_token=%08x name=", param, addr_token);
 149         shader_dump_param(iface, param, addr_token, i);
 150         FIXME("\n");
 151         ++i;
 152     }
 153     return tokens_read;
 154 }
 155
 156 /* Convert floating point offset relative
 157  * to a register file to an absolute offset for float constants */
 158
 159 unsigned int shader_get_float_offset(const DWORD reg) {
 160
 161      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 162      int regtype = shader_get_regtype(reg);
 163
 164      switch (regtype) {
 165         case WINED3DSPR_CONST: return regnum;
 166         case WINED3DSPR_CONST2: return 2048 + regnum;
 167         case WINED3DSPR_CONST3: return 4096 + regnum;
 168         case WINED3DSPR_CONST4: return 6144 + regnum;
 169         default:
 170             FIXME("Unsupported register type: %d\n", regtype);
 171             return regnum;
 172      }
 173 }
 174
 175 /* Note that this does not count the loop register
 176  * as an address register. */
 177
 178 HRESULT shader_get_registers_used(
 179     IWineD3DBaseShader *iface,
 180     shader_reg_maps* reg_maps,
 181     semantic* semantics_in,
 182     semantic* semantics_out,
 183     CONST DWORD* pToken,
 184     IWineD3DStateBlockImpl *stateBlock) {
 185
 186     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 187
 188     /* There are some minor differences between pixel and vertex shaders */
 189     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 190
 191     if (pToken == NULL)
 192         return WINED3D_OK;
 193
 194     while (WINED3DVS_END() != *pToken) {
 195         CONST SHADER_OPCODE* curOpcode;
 196         DWORD opcode_token;
 197
 198         /* Skip version */
 199         if (shader_is_version_token(*pToken)) {
 200              ++pToken;
 201              continue;
 202
 203         /* Skip comments */
 204         } else if (shader_is_comment(*pToken)) {
 205              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 206              ++pToken;
 207              pToken += comment_len;
 208              continue;
 209         }
 210
 211         /* Fetch opcode */
 212         opcode_token = *pToken++;
 213         curOpcode = shader_get_opcode(iface, opcode_token);
 214
 215         /* Unhandled opcode, and its parameters */
 216         if (NULL == curOpcode) {
 217            while (*pToken & 0x80000000)
 218                ++pToken;
 219
 220         /* Handle declarations */
 221         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 222
 223             DWORD usage = *pToken++;
 224             DWORD param = *pToken++;
 225             DWORD regtype = shader_get_regtype(param);
 226             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 227
 228             /* Vshader: mark attributes used
 229                Pshader: mark 3.0 input registers used, save token */
 230             if (WINED3DSPR_INPUT == regtype) {
 231
 232                 if (!pshader)
 233                     reg_maps->attributes[regnum] = 1;
 234                 else
 235                     reg_maps->packed_input[regnum] = 1;
 236
 237                 semantics_in[regnum].usage = usage;
 238                 semantics_in[regnum].reg = param;
 239
 240             /* Vshader: mark 3.0 output registers used, save token */
 241             } else if (WINED3DSPR_OUTPUT == regtype) {
 242                 reg_maps->packed_output[regnum] = 1;
 243                 semantics_out[regnum].usage = usage;
 244                 semantics_out[regnum].reg = param;
 245
 246             /* Save sampler usage token */
 247             } else if (WINED3DSPR_SAMPLER == regtype)
 248                 reg_maps->samplers[regnum] = usage;
 249
 250         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 251
 252             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 253             if (!lconst) return E_OUTOFMEMORY;
 254             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 255             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 256             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 257             pToken += curOpcode->num_params;
 258
 259         } else if (WINED3DSIO_DEFI == 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.constantsI, &lconst->entry);
 266             pToken += curOpcode->num_params;
 267
 268         } else if (WINED3DSIO_DEFB == 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, 1 * sizeof(DWORD));
 274             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 275             pToken += curOpcode->num_params;
 276
 277         /* If there's a loop in the shader */
 278         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 279                    WINED3DSIO_REP == curOpcode->opcode) {
 280             reg_maps->loop = 1;
 281             pToken += curOpcode->num_params;
 282
 283         /* For subroutine prototypes */
 284         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 285
 286             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 287             reg_maps->labels[snum] = 1;
 288             pToken += curOpcode->num_params;
 289
 290         /* Set texture, address, temporary registers */
 291         } else {
 292             int i, limit;
 293
 294             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 295             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 296                 (WINED3DSIO_TEX == curOpcode->opcode ||
 297                  WINED3DSIO_TEXBEM == curOpcode->opcode ||
 298                  WINED3DSIO_TEXBEML == curOpcode->opcode ||
 299                  WINED3DSIO_TEXDP3TEX == curOpcode->opcode ||
 300                  WINED3DSIO_TEXM3x2TEX == curOpcode->opcode ||
 301                  WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode ||
 302                  WINED3DSIO_TEXM3x3TEX == curOpcode->opcode ||
 303                  WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode ||
 304                  WINED3DSIO_TEXREG2AR == curOpcode->opcode ||
 305                  WINED3DSIO_TEXREG2GB == curOpcode->opcode ||
 306                  WINED3DSIO_TEXREG2RGB == curOpcode->opcode)) {
 307
 308                 /* Fake sampler usage, only set reserved bit and ttype */
 309                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 310
 311                 if(!stateBlock->textures[sampler_code]) {
 312                     ERR("No texture bound to sampler %d\n", sampler_code);
 313                     reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 314                 } else {
 315                     int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
 316                     switch(texType) {
 317                         case GL_TEXTURE_1D:
 318                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_1D;
 319                             break;
 320
 321                         case GL_TEXTURE_2D:
 322                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 323                             break;
 324
 325                         case GL_TEXTURE_3D:
 326                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
 327                             break;
 328
 329                         case GL_TEXTURE_CUBE_MAP_ARB:
 330                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 331                             break;
 332
 333                         default:
 334                             ERR("Unexpected gl texture type found: %d\n", texType);
 335                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 336                     }
 337                 }
 338             }
 339
 340             /* This will loop over all the registers and try to
 341              * make a bitmask of the ones we're interested in.
 342              *
 343              * Relative addressing tokens are ignored, but that's
 344              * okay, since we'll catch any address registers when
 345              * they are initialized (required by spec) */
 346
 347             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 348                 curOpcode->num_params + 1: curOpcode->num_params;
 349
 350             for (i = 0; i < limit; ++i) {
 351
 352                 DWORD param, addr_token, reg, regtype;
 353                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 354
 355                 regtype = shader_get_regtype(param);
 356                 reg = param & WINED3DSP_REGNUM_MASK;
 357
 358                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 359
 360                     if (pshader)
 361                         reg_maps->texcoord[reg] = 1;
 362                     else
 363                         reg_maps->address[reg] = 1;
 364                 }
 365
 366                 else if (WINED3DSPR_TEMP == regtype)
 367                     reg_maps->temporary[reg] = 1;
 368
 369                 else if (WINED3DSPR_INPUT == regtype && !pshader)
 370                     reg_maps->attributes[reg] = 1;
 371
 372                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 373                     reg_maps->fog = 1;
 374              }
 375         }
 376     }
 377
 378     return WINED3D_OK;
 379 }
 380
 381 static void shader_dump_decl_usage(
 382     IWineD3DBaseShaderImpl* This,
 383     DWORD decl,
 384     DWORD param) {
 385
 386     DWORD regtype = shader_get_regtype(param);
 387
 388     TRACE("dcl");
 389
 390     if (regtype == WINED3DSPR_SAMPLER) {
 391         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 392
 393         switch (ttype) {
 394             case WINED3DSTT_2D: TRACE("_2d"); break;
 395             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 396             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 397             default: TRACE("_unknown_ttype(%08x)", ttype);
 398        }
 399
 400     } else {
 401
 402         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 403         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 404
 405         /* Pixel shaders 3.0 don't have usage semantics */
 406         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 407         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 408             return;
 409         else
 410             TRACE("_");
 411
 412         switch(usage) {
 413         case D3DDECLUSAGE_POSITION:
 414             TRACE("position%d", idx);
 415             break;
 416         case D3DDECLUSAGE_BLENDINDICES:
 417             TRACE("blend");
 418             break;
 419         case D3DDECLUSAGE_BLENDWEIGHT:
 420             TRACE("weight");
 421             break;
 422         case D3DDECLUSAGE_NORMAL:
 423             TRACE("normal%d", idx);
 424             break;
 425         case D3DDECLUSAGE_PSIZE:
 426             TRACE("psize");
 427             break;
 428         case D3DDECLUSAGE_COLOR:
 429             if(idx == 0)  {
 430                 TRACE("color");
 431             } else {
 432                 TRACE("specular%d", (idx - 1));
 433             }
 434             break;
 435         case D3DDECLUSAGE_TEXCOORD:
 436             TRACE("texture%d", idx);
 437             break;
 438         case D3DDECLUSAGE_TANGENT:
 439             TRACE("tangent");
 440             break;
 441         case D3DDECLUSAGE_BINORMAL:
 442             TRACE("binormal");
 443             break;
 444         case D3DDECLUSAGE_TESSFACTOR:
 445             TRACE("tessfactor");
 446             break;
 447         case D3DDECLUSAGE_POSITIONT:
 448             TRACE("positionT%d", idx);
 449             break;
 450         case D3DDECLUSAGE_FOG:
 451             TRACE("fog");
 452             break;
 453         case D3DDECLUSAGE_DEPTH:
 454             TRACE("depth");
 455             break;
 456         case D3DDECLUSAGE_SAMPLE:
 457             TRACE("sample");
 458             break;
 459         default:
 460             FIXME("unknown_semantics(%08x)", usage);
 461         }
 462     }
 463 }
 464
 465 static void shader_dump_arr_entry(
 466     IWineD3DBaseShader *iface,
 467     const DWORD param,
 468     const DWORD addr_token,
 469     unsigned int reg,
 470     int input) {
 471
 472     char relative =
 473         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 474
 475     if (relative) {
 476         TRACE("[");
 477         if (addr_token)
 478             shader_dump_param(iface, addr_token, 0, input);
 479         else
 480             TRACE("a0.x");
 481         TRACE(" + ");
 482      }
 483      TRACE("%u", reg);
 484      if (relative)
 485          TRACE("]");
 486 }
 487
 488 void shader_dump_param(
 489     IWineD3DBaseShader *iface,
 490     const DWORD param,
 491     const DWORD addr_token,
 492     int input) {
 493
 494     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 495     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 496     char swizzle_reg_chars[4];
 497
 498     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 499     DWORD regtype = shader_get_regtype(param);
 500     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 501
 502     /* There are some minor differences between pixel and vertex shaders */
 503     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 504
 505     /* For one, we'd prefer color components to be shown for pshaders.
 506      * FIXME: use the swizzle function for this */
 507
 508     swizzle_reg_chars[0] = pshader? 'r': 'x';
 509     swizzle_reg_chars[1] = pshader? 'g': 'y';
 510     swizzle_reg_chars[2] = pshader? 'b': 'z';
 511     swizzle_reg_chars[3] = pshader? 'a': 'w';
 512
 513     if (input) {
 514         if ( (modifier == WINED3DSPSM_NEG) ||
 515              (modifier == WINED3DSPSM_BIASNEG) ||
 516              (modifier == WINED3DSPSM_SIGNNEG) ||
 517              (modifier == WINED3DSPSM_X2NEG) ||
 518              (modifier == WINED3DSPSM_ABSNEG) )
 519             TRACE("-");
 520         else if (modifier == WINED3DSPSM_COMP)
 521             TRACE("1-");
 522         else if (modifier == WINED3DSPSM_NOT)
 523             TRACE("!");
 524
 525         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 526             TRACE("abs(");
 527     }
 528
 529     switch (regtype) {
 530         case WINED3DSPR_TEMP:
 531             TRACE("r%u", reg);
 532             break;
 533         case WINED3DSPR_INPUT:
 534             TRACE("v");
 535             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 536             break;
 537         case WINED3DSPR_CONST:
 538         case WINED3DSPR_CONST2:
 539         case WINED3DSPR_CONST3:
 540         case WINED3DSPR_CONST4:
 541             TRACE("c");
 542             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 543             break;
 544         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 545             TRACE("%c%u", (pshader? 't':'a'), reg);
 546             break;
 547         case WINED3DSPR_RASTOUT:
 548             TRACE("%s", rastout_reg_names[reg]);
 549             break;
 550         case WINED3DSPR_COLOROUT:
 551             TRACE("oC%u", reg);
 552             break;
 553         case WINED3DSPR_DEPTHOUT:
 554             TRACE("oDepth");
 555             break;
 556         case WINED3DSPR_ATTROUT:
 557             TRACE("oD%u", reg);
 558             break;
 559         case WINED3DSPR_TEXCRDOUT:
 560
 561             /* Vertex shaders >= 3.0 use general purpose output registers
 562              * (WINED3DSPR_OUTPUT), which can include an address token */
 563
 564             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 565                 TRACE("o");
 566                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 567             }
 568             else
 569                TRACE("oT%u", reg);
 570             break;
 571         case WINED3DSPR_CONSTINT:
 572             TRACE("i");
 573             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 574             break;
 575         case WINED3DSPR_CONSTBOOL:
 576             TRACE("b");
 577             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 578             break;
 579         case WINED3DSPR_LABEL:
 580             TRACE("l%u", reg);
 581             break;
 582         case WINED3DSPR_LOOP:
 583             TRACE("aL");
 584             break;
 585         case WINED3DSPR_SAMPLER:
 586             TRACE("s%u", reg);
 587             break;
 588         case WINED3DSPR_PREDICATE:
 589             TRACE("p%u", reg);
 590             break;
 591         default:
 592             TRACE("unhandled_rtype(%#x)", regtype);
 593             break;
 594    }
 595
 596    if (!input) {
 597        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 598
 599        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 600            TRACE(".");
 601            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 602            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 603            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 604            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 605        }
 606
 607    } else {
 608         /** operand input */
 609         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 610         DWORD swizzle_r = swizzle & 0x03;
 611         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 612         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 613         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 614
 615         if (0 != modifier) {
 616             switch (modifier) {
 617                 case WINED3DSPSM_NONE:    break;
 618                 case WINED3DSPSM_NEG:     break;
 619                 case WINED3DSPSM_NOT:     break;
 620                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 621                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 622                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 623                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 624                 case WINED3DSPSM_COMP:    break;
 625                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 626                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 627                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 628                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 629                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 630                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 631                 default:
 632                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 633             }
 634         }
 635
 636         /**
 637         * swizzle bits fields:
 638         *  RRGGBBAA
 639         */
 640         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 641             if (swizzle_r == swizzle_g &&
 642                 swizzle_r == swizzle_b &&
 643                 swizzle_r == swizzle_a) {
 644                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 645             } else {
 646                 TRACE(".%c%c%c%c",
 647                 swizzle_reg_chars[swizzle_r],
 648                 swizzle_reg_chars[swizzle_g],
 649                 swizzle_reg_chars[swizzle_b],
 650                 swizzle_reg_chars[swizzle_a]);
 651             }
 652         }
 653     }
 654 }
 655
 656 /** Shared code in order to generate the bulk of the shader string.
 657     Use the shader_header_fct & shader_footer_fct to add strings
 658     that are specific to pixel or vertex functions
 659     NOTE: A description of how to parse tokens can be found at:
 660           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 661 void shader_generate_main(
 662     IWineD3DBaseShader *iface,
 663     SHADER_BUFFER* buffer,
 664     shader_reg_maps* reg_maps,
 665     CONST DWORD* pFunction) {
 666
 667     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 668     const DWORD *pToken = pFunction;
 669     const SHADER_OPCODE *curOpcode = NULL;
 670     SHADER_HANDLER hw_fct = NULL;
 671     DWORD i;
 672     SHADER_OPCODE_ARG hw_arg;
 673
 674     /* Initialize current parsing state */
 675     hw_arg.shader = iface;
 676     hw_arg.buffer = buffer;
 677     hw_arg.reg_maps = reg_maps;
 678     This->baseShader.parse_state.current_row = 0;
 679
 680     /* Second pass, process opcodes */
 681     if (NULL != pToken) {
 682         while (WINED3DPS_END() != *pToken) {
 683
 684             /* Skip version token */
 685             if (shader_is_version_token(*pToken)) {
 686                 ++pToken;
 687                 continue;
 688             }
 689
 690             /* Skip comment tokens */
 691             if (shader_is_comment(*pToken)) {
 692                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 693                 ++pToken;
 694                 TRACE("#%s\n", (const char*)pToken);
 695                 pToken += comment_len;
 696                 continue;
 697             }
 698
 699             /* Read opcode */
 700             hw_arg.opcode_token = *pToken++;
 701             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 702
 703             /* Select handler */
 704             if (curOpcode == NULL)
 705                 hw_fct = NULL;
 706             else if (This->baseShader.shader_mode == SHADER_GLSL)
 707                 hw_fct = curOpcode->hw_glsl_fct;
 708             else if (This->baseShader.shader_mode == SHADER_ARB)
 709                 hw_fct = curOpcode->hw_fct;
 710
 711             /* Unknown opcode and its parameters */
 712             if (NULL == curOpcode) {
 713                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 714                 pToken += shader_skip_unrecognized(iface, pToken);
 715
 716             /* Nothing to do */
 717             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 718                        WINED3DSIO_NOP == curOpcode->opcode ||
 719                        WINED3DSIO_DEF == curOpcode->opcode ||
 720                        WINED3DSIO_DEFI == curOpcode->opcode ||
 721                        WINED3DSIO_DEFB == curOpcode->opcode ||
 722                        WINED3DSIO_PHASE == curOpcode->opcode ||
 723                        WINED3DSIO_RET == curOpcode->opcode) {
 724
 725                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 726
 727             /* If a generator function is set for current shader target, use it */
 728             } else if (hw_fct != NULL) {
 729
 730                 hw_arg.opcode = curOpcode;
 731
 732                 /* Destination token */
 733                 if (curOpcode->dst_token) {
 734
 735                     DWORD param, addr_token = 0;
 736                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 737                     hw_arg.dst = param;
 738                     hw_arg.dst_addr = addr_token;
 739                 }
 740
 741                 /* Predication token */
 742                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 743                     hw_arg.predicate = *pToken++;
 744
 745                 /* Other source tokens */
 746                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 747
 748                     DWORD param, addr_token = 0;
 749                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 750                     hw_arg.src[i] = param;
 751                     hw_arg.src_addr[i] = addr_token;
 752                 }
 753
 754                 /* Call appropriate function for output target */
 755                 hw_fct(&hw_arg);
 756
 757                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 758                 if (This->baseShader.shader_mode == SHADER_GLSL)
 759                     shader_glsl_add_instruction_modifiers(&hw_arg);
 760
 761             /* Unhandled opcode */
 762             } else {
 763
 764                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 765                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 766             }
 767         }
 768         /* TODO: What about result.depth? */
 769
 770     }
 771 }
 772
 773 void shader_dump_ins_modifiers(const DWORD output) {
 774
 775     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 776     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 777
 778     switch (shift) {
 779         case 0: break;
 780         case 13: TRACE("_d8"); break;
 781         case 14: TRACE("_d4"); break;
 782         case 15: TRACE("_d2"); break;
 783         case 1: TRACE("_x2"); break;
 784         case 2: TRACE("_x4"); break;
 785         case 3: TRACE("_x8"); break;
 786         default: TRACE("_unhandled_shift(%d)", shift); break;
 787     }
 788
 789     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 790     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 791     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 792
 793     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 794     if (mmask)
 795         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 796 }
 797
 798 /* First pass: trace shader, initialize length and version */
 799 void shader_trace_init(
 800     IWineD3DBaseShader *iface,
 801     const DWORD* pFunction) {
 802
 803     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 804
 805     const DWORD* pToken = pFunction;
 806     const SHADER_OPCODE* curOpcode = NULL;
 807     DWORD opcode_token;
 808     unsigned int len = 0;
 809     DWORD i;
 810
 811     TRACE("(%p) : Parsing programme\n", This);
 812
 813     if (NULL != pToken) {
 814         while (WINED3DVS_END() != *pToken) {
 815             if (shader_is_version_token(*pToken)) { /** version */
 816                 This->baseShader.hex_version = *pToken;
 817                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 818                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 819                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 820                 ++pToken;
 821                 ++len;
 822                 continue;
 823             }
 824             if (shader_is_comment(*pToken)) { /** comment */
 825                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 826                 ++pToken;
 827                 TRACE("//%s\n", (const char*)pToken);
 828                 pToken += comment_len;
 829                 len += comment_len + 1;
 830                 continue;
 831             }
 832             opcode_token = *pToken++;
 833             curOpcode = shader_get_opcode(iface, opcode_token);
 834             len++;
 835
 836             if (NULL == curOpcode) {
 837                 int tokens_read;
 838                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 839                 tokens_read = shader_skip_unrecognized(iface, pToken);
 840                 pToken += tokens_read;
 841                 len += tokens_read;
 842
 843             } else {
 844                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 845
 846                     DWORD usage = *pToken;
 847                     DWORD param = *(pToken + 1);
 848
 849                     shader_dump_decl_usage(This, usage, param);
 850                     shader_dump_ins_modifiers(param);
 851                     TRACE(" ");
 852                     shader_dump_param(iface, param, 0, 0);
 853                     pToken += 2;
 854                     len += 2;
 855
 856                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 857
 858                         unsigned int offset = shader_get_float_offset(*pToken);
 859
 860                         TRACE("def c%u = %f, %f, %f, %f", offset,
 861                             *(const float *)(pToken + 1),
 862                             *(const float *)(pToken + 2),
 863                             *(const float *)(pToken + 3),
 864                             *(const float *)(pToken + 4));
 865
 866                         pToken += 5;
 867                         len += 5;
 868                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 869
 870                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 871                             *(pToken + 1),
 872                             *(pToken + 2),
 873                             *(pToken + 3),
 874                             *(pToken + 4));
 875
 876                         pToken += 5;
 877                         len += 5;
 878
 879                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 880
 881                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 882                             *(pToken + 1)? "true": "false");
 883
 884                         pToken += 2;
 885                         len += 2;
 886
 887                 } else {
 888
 889                     DWORD param, addr_token;
 890                     int tokens_read;
 891
 892                     /* Print out predication source token first - it follows
 893                      * the destination token. */
 894                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 895                         TRACE("(");
 896                         shader_dump_param(iface, *(pToken + 2), 0, 1);
 897                         TRACE(") ");
 898                     }
 899
 900                     TRACE("%s", curOpcode->name);
 901
 902                     if (curOpcode->opcode == WINED3DSIO_IFC ||
 903                         curOpcode->opcode == WINED3DSIO_BREAKC) {
 904
 905                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
 906                         switch (op) {
 907                             case COMPARISON_GT: TRACE("_gt"); break;
 908                             case COMPARISON_EQ: TRACE("_eq"); break;
 909                             case COMPARISON_GE: TRACE("_ge"); break;
 910                             case COMPARISON_LT: TRACE("_lt"); break;
 911                             case COMPARISON_NE: TRACE("_ne"); break;
 912                             case COMPARISON_LE: TRACE("_le"); break;
 913                             default:
 914                                 TRACE("_(%u)", op);
 915                         }
 916                     }
 917
 918                     /* Destination token */
 919                     if (curOpcode->dst_token) {
 920
 921                         /* Destination token */
 922                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 923                         pToken += tokens_read;
 924                         len += tokens_read;
 925
 926                         shader_dump_ins_modifiers(param);
 927                         TRACE(" ");
 928                         shader_dump_param(iface, param, addr_token, 0);
 929                     }
 930
 931                     /* Predication token - already printed out, just skip it */
 932                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 933                         pToken++;
 934                         len++;
 935                     }
 936
 937                     /* Other source tokens */
 938                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
 939
 940                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 941                         pToken += tokens_read;
 942                         len += tokens_read;
 943
 944                         TRACE((i == 0)? " " : ", ");
 945                         shader_dump_param(iface, param, addr_token, 1);
 946                     }
 947                 }
 948                 TRACE("\n");
 949             }
 950         }
 951         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
 952     } else {
 953         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
 954     }
 955 }
 956
 957 void shader_delete_constant_list(
 958     struct list* clist) {
 959
 960     struct list *ptr;
 961     struct local_constant* constant;
 962
 963     ptr = list_head(clist);
 964     while (ptr) {
 965         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 966         ptr = list_next(clist, ptr);
 967         HeapFree(GetProcessHeap(), 0, constant);
 968     }
 969 }
 970
 971 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
 972 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
 973 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
 974 static void shader_none_cleanup(BOOL usePS, BOOL useVS) {}
 975
 976 const shader_backend_t none_shader_backend = {
 977     &shader_none_select,
 978     &shader_none_select_depth_blt,
 979     &shader_none_load_constants,
 980     &shader_none_cleanup
 981 };