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
 349             /* This will loop over all the registers and try to
 350              * make a bitmask of the ones we're interested in.
 351              *
 352              * Relative addressing tokens are ignored, but that's
 353              * okay, since we'll catch any address registers when
 354              * they are initialized (required by spec) */
 355
 356             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 357                 curOpcode->num_params + 1: curOpcode->num_params;
 358
 359             for (i = 0; i < limit; ++i) {
 360
 361                 DWORD param, addr_token, reg, regtype;
 362                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 363
 364                 regtype = shader_get_regtype(param);
 365                 reg = param & WINED3DSP_REGNUM_MASK;
 366
 367                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 368
 369                     if (pshader)
 370                         reg_maps->texcoord[reg] = 1;
 371                     else
 372                         reg_maps->address[reg] = 1;
 373                 }
 374
 375                 else if (WINED3DSPR_TEMP == regtype)
 376                     reg_maps->temporary[reg] = 1;
 377
 378                 else if (WINED3DSPR_INPUT == regtype && !pshader)
 379                     reg_maps->attributes[reg] = 1;
 380
 381                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 382                     reg_maps->fog = 1;
 383              }
 384         }
 385     }
 386
 387     return WINED3D_OK;
 388 }
 389
 390 static void shader_dump_decl_usage(
 391     IWineD3DBaseShaderImpl* This,
 392     DWORD decl,
 393     DWORD param) {
 394
 395     DWORD regtype = shader_get_regtype(param);
 396
 397     TRACE("dcl");
 398
 399     if (regtype == WINED3DSPR_SAMPLER) {
 400         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 401
 402         switch (ttype) {
 403             case WINED3DSTT_2D: TRACE("_2d"); break;
 404             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 405             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 406             default: TRACE("_unknown_ttype(%08x)", ttype);
 407        }
 408
 409     } else {
 410
 411         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 412         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 413
 414         /* Pixel shaders 3.0 don't have usage semantics */
 415         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 416         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 417             return;
 418         else
 419             TRACE("_");
 420
 421         switch(usage) {
 422         case D3DDECLUSAGE_POSITION:
 423             TRACE("position%d", idx);
 424             break;
 425         case D3DDECLUSAGE_BLENDINDICES:
 426             TRACE("blend");
 427             break;
 428         case D3DDECLUSAGE_BLENDWEIGHT:
 429             TRACE("weight");
 430             break;
 431         case D3DDECLUSAGE_NORMAL:
 432             TRACE("normal%d", idx);
 433             break;
 434         case D3DDECLUSAGE_PSIZE:
 435             TRACE("psize");
 436             break;
 437         case D3DDECLUSAGE_COLOR:
 438             if(idx == 0)  {
 439                 TRACE("color");
 440             } else {
 441                 TRACE("specular%d", (idx - 1));
 442             }
 443             break;
 444         case D3DDECLUSAGE_TEXCOORD:
 445             TRACE("texture%d", idx);
 446             break;
 447         case D3DDECLUSAGE_TANGENT:
 448             TRACE("tangent");
 449             break;
 450         case D3DDECLUSAGE_BINORMAL:
 451             TRACE("binormal");
 452             break;
 453         case D3DDECLUSAGE_TESSFACTOR:
 454             TRACE("tessfactor");
 455             break;
 456         case D3DDECLUSAGE_POSITIONT:
 457             TRACE("positionT%d", idx);
 458             break;
 459         case D3DDECLUSAGE_FOG:
 460             TRACE("fog");
 461             break;
 462         case D3DDECLUSAGE_DEPTH:
 463             TRACE("depth");
 464             break;
 465         case D3DDECLUSAGE_SAMPLE:
 466             TRACE("sample");
 467             break;
 468         default:
 469             FIXME("unknown_semantics(%08x)", usage);
 470         }
 471     }
 472 }
 473
 474 static void shader_dump_arr_entry(
 475     IWineD3DBaseShader *iface,
 476     const DWORD param,
 477     const DWORD addr_token,
 478     unsigned int reg,
 479     int input) {
 480
 481     char relative =
 482         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 483
 484     if (relative) {
 485         TRACE("[");
 486         if (addr_token)
 487             shader_dump_param(iface, addr_token, 0, input);
 488         else
 489             TRACE("a0.x");
 490         TRACE(" + ");
 491      }
 492      TRACE("%u", reg);
 493      if (relative)
 494          TRACE("]");
 495 }
 496
 497 void shader_dump_param(
 498     IWineD3DBaseShader *iface,
 499     const DWORD param,
 500     const DWORD addr_token,
 501     int input) {
 502
 503     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 504     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 505     char swizzle_reg_chars[4];
 506
 507     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 508     DWORD regtype = shader_get_regtype(param);
 509     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 510
 511     /* There are some minor differences between pixel and vertex shaders */
 512     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 513
 514     /* For one, we'd prefer color components to be shown for pshaders.
 515      * FIXME: use the swizzle function for this */
 516
 517     swizzle_reg_chars[0] = pshader? 'r': 'x';
 518     swizzle_reg_chars[1] = pshader? 'g': 'y';
 519     swizzle_reg_chars[2] = pshader? 'b': 'z';
 520     swizzle_reg_chars[3] = pshader? 'a': 'w';
 521
 522     if (input) {
 523         if ( (modifier == WINED3DSPSM_NEG) ||
 524              (modifier == WINED3DSPSM_BIASNEG) ||
 525              (modifier == WINED3DSPSM_SIGNNEG) ||
 526              (modifier == WINED3DSPSM_X2NEG) ||
 527              (modifier == WINED3DSPSM_ABSNEG) )
 528             TRACE("-");
 529         else if (modifier == WINED3DSPSM_COMP)
 530             TRACE("1-");
 531         else if (modifier == WINED3DSPSM_NOT)
 532             TRACE("!");
 533
 534         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 535             TRACE("abs(");
 536     }
 537
 538     switch (regtype) {
 539         case WINED3DSPR_TEMP:
 540             TRACE("r%u", reg);
 541             break;
 542         case WINED3DSPR_INPUT:
 543             TRACE("v");
 544             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 545             break;
 546         case WINED3DSPR_CONST:
 547         case WINED3DSPR_CONST2:
 548         case WINED3DSPR_CONST3:
 549         case WINED3DSPR_CONST4:
 550             TRACE("c");
 551             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 552             break;
 553         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 554             TRACE("%c%u", (pshader? 't':'a'), reg);
 555             break;
 556         case WINED3DSPR_RASTOUT:
 557             TRACE("%s", rastout_reg_names[reg]);
 558             break;
 559         case WINED3DSPR_COLOROUT:
 560             TRACE("oC%u", reg);
 561             break;
 562         case WINED3DSPR_DEPTHOUT:
 563             TRACE("oDepth");
 564             break;
 565         case WINED3DSPR_ATTROUT:
 566             TRACE("oD%u", reg);
 567             break;
 568         case WINED3DSPR_TEXCRDOUT:
 569
 570             /* Vertex shaders >= 3.0 use general purpose output registers
 571              * (WINED3DSPR_OUTPUT), which can include an address token */
 572
 573             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 574                 TRACE("o");
 575                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 576             }
 577             else
 578                TRACE("oT%u", reg);
 579             break;
 580         case WINED3DSPR_CONSTINT:
 581             TRACE("i");
 582             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 583             break;
 584         case WINED3DSPR_CONSTBOOL:
 585             TRACE("b");
 586             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 587             break;
 588         case WINED3DSPR_LABEL:
 589             TRACE("l%u", reg);
 590             break;
 591         case WINED3DSPR_LOOP:
 592             TRACE("aL");
 593             break;
 594         case WINED3DSPR_SAMPLER:
 595             TRACE("s%u", reg);
 596             break;
 597         case WINED3DSPR_PREDICATE:
 598             TRACE("p%u", reg);
 599             break;
 600         default:
 601             TRACE("unhandled_rtype(%#x)", regtype);
 602             break;
 603    }
 604
 605    if (!input) {
 606        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 607
 608        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 609            TRACE(".");
 610            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 611            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 612            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 613            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 614        }
 615
 616    } else {
 617         /** operand input */
 618         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 619         DWORD swizzle_r = swizzle & 0x03;
 620         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 621         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 622         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 623
 624         if (0 != modifier) {
 625             switch (modifier) {
 626                 case WINED3DSPSM_NONE:    break;
 627                 case WINED3DSPSM_NEG:     break;
 628                 case WINED3DSPSM_NOT:     break;
 629                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 630                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 631                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 632                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 633                 case WINED3DSPSM_COMP:    break;
 634                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 635                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 636                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 637                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 638                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 639                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 640                 default:
 641                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 642             }
 643         }
 644
 645         /**
 646         * swizzle bits fields:
 647         *  RRGGBBAA
 648         */
 649         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 650             if (swizzle_r == swizzle_g &&
 651                 swizzle_r == swizzle_b &&
 652                 swizzle_r == swizzle_a) {
 653                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 654             } else {
 655                 TRACE(".%c%c%c%c",
 656                 swizzle_reg_chars[swizzle_r],
 657                 swizzle_reg_chars[swizzle_g],
 658                 swizzle_reg_chars[swizzle_b],
 659                 swizzle_reg_chars[swizzle_a]);
 660             }
 661         }
 662     }
 663 }
 664
 665 /** Shared code in order to generate the bulk of the shader string.
 666     Use the shader_header_fct & shader_footer_fct to add strings
 667     that are specific to pixel or vertex functions
 668     NOTE: A description of how to parse tokens can be found at:
 669           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 670 void shader_generate_main(
 671     IWineD3DBaseShader *iface,
 672     SHADER_BUFFER* buffer,
 673     shader_reg_maps* reg_maps,
 674     CONST DWORD* pFunction) {
 675
 676     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 677     const DWORD *pToken = pFunction;
 678     const SHADER_OPCODE *curOpcode = NULL;
 679     SHADER_HANDLER hw_fct = NULL;
 680     DWORD i;
 681     SHADER_OPCODE_ARG hw_arg;
 682
 683     /* Initialize current parsing state */
 684     hw_arg.shader = iface;
 685     hw_arg.buffer = buffer;
 686     hw_arg.reg_maps = reg_maps;
 687     This->baseShader.parse_state.current_row = 0;
 688
 689     /* Second pass, process opcodes */
 690     if (NULL != pToken) {
 691         while (WINED3DPS_END() != *pToken) {
 692
 693             /* Skip version token */
 694             if (shader_is_version_token(*pToken)) {
 695                 ++pToken;
 696                 continue;
 697             }
 698
 699             /* Skip comment tokens */
 700             if (shader_is_comment(*pToken)) {
 701                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 702                 ++pToken;
 703                 TRACE("#%s\n", (const char*)pToken);
 704                 pToken += comment_len;
 705                 continue;
 706             }
 707
 708             /* Read opcode */
 709             hw_arg.opcode_token = *pToken++;
 710             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 711
 712             /* Select handler */
 713             if (curOpcode == NULL)
 714                 hw_fct = NULL;
 715             else if (This->baseShader.shader_mode == SHADER_GLSL)
 716                 hw_fct = curOpcode->hw_glsl_fct;
 717             else if (This->baseShader.shader_mode == SHADER_ARB)
 718                 hw_fct = curOpcode->hw_fct;
 719
 720             /* Unknown opcode and its parameters */
 721             if (NULL == curOpcode) {
 722                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 723                 pToken += shader_skip_unrecognized(iface, pToken);
 724
 725             /* Nothing to do */
 726             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 727                        WINED3DSIO_NOP == curOpcode->opcode ||
 728                        WINED3DSIO_DEF == curOpcode->opcode ||
 729                        WINED3DSIO_DEFI == curOpcode->opcode ||
 730                        WINED3DSIO_DEFB == curOpcode->opcode ||
 731                        WINED3DSIO_PHASE == curOpcode->opcode ||
 732                        WINED3DSIO_RET == curOpcode->opcode) {
 733
 734                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 735
 736             /* If a generator function is set for current shader target, use it */
 737             } else if (hw_fct != NULL) {
 738
 739                 hw_arg.opcode = curOpcode;
 740
 741                 /* Destination token */
 742                 if (curOpcode->dst_token) {
 743
 744                     DWORD param, addr_token = 0;
 745                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 746                     hw_arg.dst = param;
 747                     hw_arg.dst_addr = addr_token;
 748                 }
 749
 750                 /* Predication token */
 751                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 752                     hw_arg.predicate = *pToken++;
 753
 754                 /* Other source tokens */
 755                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 756
 757                     DWORD param, addr_token = 0;
 758                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 759                     hw_arg.src[i] = param;
 760                     hw_arg.src_addr[i] = addr_token;
 761                 }
 762
 763                 /* Call appropriate function for output target */
 764                 hw_fct(&hw_arg);
 765
 766                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 767                 if (This->baseShader.shader_mode == SHADER_GLSL)
 768                     shader_glsl_add_instruction_modifiers(&hw_arg);
 769
 770             /* Unhandled opcode */
 771             } else {
 772
 773                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 774                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 775             }
 776         }
 777         /* TODO: What about result.depth? */
 778
 779     }
 780 }
 781
 782 void shader_dump_ins_modifiers(const DWORD output) {
 783
 784     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 785     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 786
 787     switch (shift) {
 788         case 0: break;
 789         case 13: TRACE("_d8"); break;
 790         case 14: TRACE("_d4"); break;
 791         case 15: TRACE("_d2"); break;
 792         case 1: TRACE("_x2"); break;
 793         case 2: TRACE("_x4"); break;
 794         case 3: TRACE("_x8"); break;
 795         default: TRACE("_unhandled_shift(%d)", shift); break;
 796     }
 797
 798     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 799     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 800     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 801
 802     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 803     if (mmask)
 804         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 805 }
 806
 807 /* First pass: trace shader, initialize length and version */
 808 void shader_trace_init(
 809     IWineD3DBaseShader *iface,
 810     const DWORD* pFunction) {
 811
 812     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 813
 814     const DWORD* pToken = pFunction;
 815     const SHADER_OPCODE* curOpcode = NULL;
 816     DWORD opcode_token;
 817     unsigned int len = 0;
 818     DWORD i;
 819
 820     TRACE("(%p) : Parsing programme\n", This);
 821
 822     if (NULL != pToken) {
 823         while (WINED3DVS_END() != *pToken) {
 824             if (shader_is_version_token(*pToken)) { /** version */
 825                 This->baseShader.hex_version = *pToken;
 826                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 827                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 828                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 829                 ++pToken;
 830                 ++len;
 831                 continue;
 832             }
 833             if (shader_is_comment(*pToken)) { /** comment */
 834                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 835                 ++pToken;
 836                 TRACE("//%s\n", (const char*)pToken);
 837                 pToken += comment_len;
 838                 len += comment_len + 1;
 839                 continue;
 840             }
 841             opcode_token = *pToken++;
 842             curOpcode = shader_get_opcode(iface, opcode_token);
 843             len++;
 844
 845             if (NULL == curOpcode) {
 846                 int tokens_read;
 847                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 848                 tokens_read = shader_skip_unrecognized(iface, pToken);
 849                 pToken += tokens_read;
 850                 len += tokens_read;
 851
 852             } else {
 853                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 854
 855                     DWORD usage = *pToken;
 856                     DWORD param = *(pToken + 1);
 857
 858                     shader_dump_decl_usage(This, usage, param);
 859                     shader_dump_ins_modifiers(param);
 860                     TRACE(" ");
 861                     shader_dump_param(iface, param, 0, 0);
 862                     pToken += 2;
 863                     len += 2;
 864
 865                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 866
 867                         unsigned int offset = shader_get_float_offset(*pToken);
 868
 869                         TRACE("def c%u = %f, %f, %f, %f", offset,
 870                             *(const float *)(pToken + 1),
 871                             *(const float *)(pToken + 2),
 872                             *(const float *)(pToken + 3),
 873                             *(const float *)(pToken + 4));
 874
 875                         pToken += 5;
 876                         len += 5;
 877                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 878
 879                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 880                             *(pToken + 1),
 881                             *(pToken + 2),
 882                             *(pToken + 3),
 883                             *(pToken + 4));
 884
 885                         pToken += 5;
 886                         len += 5;
 887
 888                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 889
 890                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 891                             *(pToken + 1)? "true": "false");
 892
 893                         pToken += 2;
 894                         len += 2;
 895
 896                 } else {
 897
 898                     DWORD param, addr_token;
 899                     int tokens_read;
 900
 901                     /* Print out predication source token first - it follows
 902                      * the destination token. */
 903                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 904                         TRACE("(");
 905                         shader_dump_param(iface, *(pToken + 2), 0, 1);
 906                         TRACE(") ");
 907                     }
 908
 909                     TRACE("%s", curOpcode->name);
 910
 911                     if (curOpcode->opcode == WINED3DSIO_IFC ||
 912                         curOpcode->opcode == WINED3DSIO_BREAKC) {
 913
 914                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
 915                         switch (op) {
 916                             case COMPARISON_GT: TRACE("_gt"); break;
 917                             case COMPARISON_EQ: TRACE("_eq"); break;
 918                             case COMPARISON_GE: TRACE("_ge"); break;
 919                             case COMPARISON_LT: TRACE("_lt"); break;
 920                             case COMPARISON_NE: TRACE("_ne"); break;
 921                             case COMPARISON_LE: TRACE("_le"); break;
 922                             default:
 923                                 TRACE("_(%u)", op);
 924                         }
 925                     }
 926
 927                     /* Destination token */
 928                     if (curOpcode->dst_token) {
 929
 930                         /* Destination token */
 931                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 932                         pToken += tokens_read;
 933                         len += tokens_read;
 934
 935                         shader_dump_ins_modifiers(param);
 936                         TRACE(" ");
 937                         shader_dump_param(iface, param, addr_token, 0);
 938                     }
 939
 940                     /* Predication token - already printed out, just skip it */
 941                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 942                         pToken++;
 943                         len++;
 944                     }
 945
 946                     /* Other source tokens */
 947                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
 948
 949                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 950                         pToken += tokens_read;
 951                         len += tokens_read;
 952
 953                         TRACE((i == 0)? " " : ", ");
 954                         shader_dump_param(iface, param, addr_token, 1);
 955                     }
 956                 }
 957                 TRACE("\n");
 958             }
 959         }
 960         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
 961     } else {
 962         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
 963     }
 964 }
 965
 966 void shader_delete_constant_list(
 967     struct list* clist) {
 968
 969     struct list *ptr;
 970     struct local_constant* constant;
 971
 972     ptr = list_head(clist);
 973     while (ptr) {
 974         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 975         ptr = list_next(clist, ptr);
 976         HeapFree(GetProcessHeap(), 0, constant);
 977     }
 978 }
 979
 980 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
 981 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
 982 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
 983 static void shader_none_cleanup(BOOL usePS, BOOL useVS) {}
 984
 985 const shader_backend_t none_shader_backend = {
 986     &shader_none_select,
 987     &shader_none_select_depth_blt,
 988     &shader_none_load_constants,
 989     &shader_none_cleanup
 990 };