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 static inline 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     reg_maps->bumpmat = -1;
 201     reg_maps->luminanceparams = -1;
 202
 203     if (pToken == NULL)
 204         return WINED3D_OK;
 205
 206     while (WINED3DVS_END() != *pToken) {
 207         CONST SHADER_OPCODE* curOpcode;
 208         DWORD opcode_token;
 209
 210         /* Skip version */
 211         if (shader_is_version_token(*pToken)) {
 212              ++pToken;
 213              continue;
 214
 215         /* Skip comments */
 216         } else if (shader_is_comment(*pToken)) {
 217              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 218              ++pToken;
 219              pToken += comment_len;
 220              continue;
 221         }
 222
 223         /* Fetch opcode */
 224         opcode_token = *pToken++;
 225         curOpcode = shader_get_opcode(iface, opcode_token);
 226
 227         /* Unhandled opcode, and its parameters */
 228         if (NULL == curOpcode) {
 229            while (*pToken & 0x80000000)
 230                ++pToken;
 231
 232         /* Handle declarations */
 233         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 234
 235             DWORD usage = *pToken++;
 236             DWORD param = *pToken++;
 237             DWORD regtype = shader_get_regtype(param);
 238             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 239
 240             /* Vshader: mark attributes used
 241                Pshader: mark 3.0 input registers used, save token */
 242             if (WINED3DSPR_INPUT == regtype) {
 243
 244                 if (!pshader)
 245                     reg_maps->attributes[regnum] = 1;
 246                 else
 247                     reg_maps->packed_input[regnum] = 1;
 248
 249                 semantics_in[regnum].usage = usage;
 250                 semantics_in[regnum].reg = param;
 251
 252             /* Vshader: mark 3.0 output registers used, save token */
 253             } else if (WINED3DSPR_OUTPUT == regtype) {
 254                 reg_maps->packed_output[regnum] = 1;
 255                 semantics_out[regnum].usage = usage;
 256                 semantics_out[regnum].reg = param;
 257                 if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
 258                     reg_maps->fog = 1;
 259
 260             /* Save sampler usage token */
 261             } else if (WINED3DSPR_SAMPLER == regtype)
 262                 reg_maps->samplers[regnum] = usage;
 263
 264         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 265
 266             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 267             if (!lconst) return E_OUTOFMEMORY;
 268             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 269             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 270
 271             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 272             if(WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 && pshader) {
 273                 float *value = (float *) lconst->value;
 274                 if(value[0] < -1.0) value[0] = -1.0;
 275                 else if(value[0] >  1.0) value[0] =  1.0;
 276                 if(value[1] < -1.0) value[1] = -1.0;
 277                 else if(value[1] >  1.0) value[1] =  1.0;
 278                 if(value[2] < -1.0) value[2] = -1.0;
 279                 else if(value[2] >  1.0) value[2] =  1.0;
 280                 if(value[3] < -1.0) value[3] = -1.0;
 281                 else if(value[3] >  1.0) value[3] =  1.0;
 282             }
 283
 284             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 285             pToken += curOpcode->num_params;
 286
 287         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 288
 289             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 290             if (!lconst) return E_OUTOFMEMORY;
 291             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 292             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 293             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 294             pToken += curOpcode->num_params;
 295
 296         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 297
 298             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 299             if (!lconst) return E_OUTOFMEMORY;
 300             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 301             memcpy(&lconst->value, pToken + 1, 1 * sizeof(DWORD));
 302             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 303             pToken += curOpcode->num_params;
 304
 305         /* If there's a loop in the shader */
 306         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 307                    WINED3DSIO_REP == curOpcode->opcode) {
 308             reg_maps->loop = 1;
 309             pToken += curOpcode->num_params;
 310
 311         /* For subroutine prototypes */
 312         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 313
 314             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 315             reg_maps->labels[snum] = 1;
 316             pToken += curOpcode->num_params;
 317
 318         } else if(WINED3DSIO_BEM == curOpcode->opcode) {
 319             DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 320             if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != regnum) {
 321                 FIXME("Pixel shader uses bem or texbem instruction on more than 1 sampler\n");
 322             } else {
 323                 reg_maps->bumpmat = regnum;
 324             }
 325
 326         /* Set texture, address, temporary registers */
 327         } else {
 328             int i, limit;
 329
 330             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 331             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 332                 (WINED3DSIO_TEX == curOpcode->opcode ||
 333                  WINED3DSIO_TEXBEM == curOpcode->opcode ||
 334                  WINED3DSIO_TEXBEML == curOpcode->opcode ||
 335                  WINED3DSIO_TEXDP3TEX == curOpcode->opcode ||
 336                  WINED3DSIO_TEXM3x2TEX == curOpcode->opcode ||
 337                  WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode ||
 338                  WINED3DSIO_TEXM3x3TEX == curOpcode->opcode ||
 339                  WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode ||
 340                  WINED3DSIO_TEXREG2AR == curOpcode->opcode ||
 341                  WINED3DSIO_TEXREG2GB == curOpcode->opcode ||
 342                  WINED3DSIO_TEXREG2RGB == curOpcode->opcode)) {
 343
 344                 /* Fake sampler usage, only set reserved bit and ttype */
 345                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 346
 347                 if(!stateBlock->textures[sampler_code]) {
 348                     ERR("No texture bound to sampler %d\n", sampler_code);
 349                     reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 350                 } else {
 351                     int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
 352                     switch(texType) {
 353                         case GL_TEXTURE_2D:
 354                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 355                             break;
 356
 357                         case GL_TEXTURE_3D:
 358                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
 359                             break;
 360
 361                         case GL_TEXTURE_CUBE_MAP_ARB:
 362                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 363                             break;
 364
 365                         default:
 366                             ERR("Unexpected gl texture type found: %d\n", texType);
 367                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 368                     }
 369                 }
 370
 371                 /* texbem is only valid with < 1.4 pixel shaders */
 372                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 373                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 374                     if(reg_maps->bumpmat != -1 && reg_maps->bumpmat != sampler_code) {
 375                         FIXME("Pixel shader uses texbem instruction on more than 1 sampler\n");
 376                     } else {
 377                         reg_maps->bumpmat = sampler_code;
 378                         if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 379                             reg_maps->luminanceparams = sampler_code;
 380                         }
 381                     }
 382                 }
 383             }
 384
 385             /* This will loop over all the registers and try to
 386              * make a bitmask of the ones we're interested in.
 387              *
 388              * Relative addressing tokens are ignored, but that's
 389              * okay, since we'll catch any address registers when
 390              * they are initialized (required by spec) */
 391
 392             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 393                 curOpcode->num_params + 1: curOpcode->num_params;
 394
 395             for (i = 0; i < limit; ++i) {
 396
 397                 DWORD param, addr_token, reg, regtype;
 398                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 399
 400                 regtype = shader_get_regtype(param);
 401                 reg = param & WINED3DSP_REGNUM_MASK;
 402
 403                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 404
 405                     if (pshader)
 406                         reg_maps->texcoord[reg] = 1;
 407                     else
 408                         reg_maps->address[reg] = 1;
 409                 }
 410
 411                 else if (WINED3DSPR_TEMP == regtype)
 412                     reg_maps->temporary[reg] = 1;
 413
 414                 else if (WINED3DSPR_INPUT == regtype && !pshader)
 415                     reg_maps->attributes[reg] = 1;
 416
 417                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 418                     reg_maps->fog = 1;
 419              }
 420         }
 421     }
 422
 423     return WINED3D_OK;
 424 }
 425
 426 static void shader_dump_decl_usage(
 427     IWineD3DBaseShaderImpl* This,
 428     DWORD decl,
 429     DWORD param) {
 430
 431     DWORD regtype = shader_get_regtype(param);
 432
 433     TRACE("dcl");
 434
 435     if (regtype == WINED3DSPR_SAMPLER) {
 436         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 437
 438         switch (ttype) {
 439             case WINED3DSTT_2D: TRACE("_2d"); break;
 440             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 441             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 442             default: TRACE("_unknown_ttype(%08x)", ttype);
 443        }
 444
 445     } else {
 446
 447         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 448         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 449
 450         /* Pixel shaders 3.0 don't have usage semantics */
 451         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 452         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 453             return;
 454         else
 455             TRACE("_");
 456
 457         switch(usage) {
 458         case WINED3DDECLUSAGE_POSITION:
 459             TRACE("position%d", idx);
 460             break;
 461         case WINED3DDECLUSAGE_BLENDINDICES:
 462             TRACE("blend");
 463             break;
 464         case WINED3DDECLUSAGE_BLENDWEIGHT:
 465             TRACE("weight");
 466             break;
 467         case WINED3DDECLUSAGE_NORMAL:
 468             TRACE("normal%d", idx);
 469             break;
 470         case WINED3DDECLUSAGE_PSIZE:
 471             TRACE("psize");
 472             break;
 473         case WINED3DDECLUSAGE_COLOR:
 474             if(idx == 0)  {
 475                 TRACE("color");
 476             } else {
 477                 TRACE("specular%d", (idx - 1));
 478             }
 479             break;
 480         case WINED3DDECLUSAGE_TEXCOORD:
 481             TRACE("texture%d", idx);
 482             break;
 483         case WINED3DDECLUSAGE_TANGENT:
 484             TRACE("tangent");
 485             break;
 486         case WINED3DDECLUSAGE_BINORMAL:
 487             TRACE("binormal");
 488             break;
 489         case WINED3DDECLUSAGE_TESSFACTOR:
 490             TRACE("tessfactor");
 491             break;
 492         case WINED3DDECLUSAGE_POSITIONT:
 493             TRACE("positionT%d", idx);
 494             break;
 495         case WINED3DDECLUSAGE_FOG:
 496             TRACE("fog");
 497             break;
 498         case WINED3DDECLUSAGE_DEPTH:
 499             TRACE("depth");
 500             break;
 501         case WINED3DDECLUSAGE_SAMPLE:
 502             TRACE("sample");
 503             break;
 504         default:
 505             FIXME("unknown_semantics(%08x)", usage);
 506         }
 507     }
 508 }
 509
 510 static void shader_dump_arr_entry(
 511     IWineD3DBaseShader *iface,
 512     const DWORD param,
 513     const DWORD addr_token,
 514     unsigned int reg,
 515     int input) {
 516
 517     char relative =
 518         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 519
 520     if (relative) {
 521         TRACE("[");
 522         if (addr_token)
 523             shader_dump_param(iface, addr_token, 0, input);
 524         else
 525             TRACE("a0.x");
 526         TRACE(" + ");
 527      }
 528      TRACE("%u", reg);
 529      if (relative)
 530          TRACE("]");
 531 }
 532
 533 void shader_dump_param(
 534     IWineD3DBaseShader *iface,
 535     const DWORD param,
 536     const DWORD addr_token,
 537     int input) {
 538
 539     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 540     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 541     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 542     char swizzle_reg_chars[4];
 543
 544     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 545     DWORD regtype = shader_get_regtype(param);
 546     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 547
 548     /* There are some minor differences between pixel and vertex shaders */
 549     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 550
 551     /* For one, we'd prefer color components to be shown for pshaders.
 552      * FIXME: use the swizzle function for this */
 553
 554     swizzle_reg_chars[0] = pshader? 'r': 'x';
 555     swizzle_reg_chars[1] = pshader? 'g': 'y';
 556     swizzle_reg_chars[2] = pshader? 'b': 'z';
 557     swizzle_reg_chars[3] = pshader? 'a': 'w';
 558
 559     if (input) {
 560         if ( (modifier == WINED3DSPSM_NEG) ||
 561              (modifier == WINED3DSPSM_BIASNEG) ||
 562              (modifier == WINED3DSPSM_SIGNNEG) ||
 563              (modifier == WINED3DSPSM_X2NEG) ||
 564              (modifier == WINED3DSPSM_ABSNEG) )
 565             TRACE("-");
 566         else if (modifier == WINED3DSPSM_COMP)
 567             TRACE("1-");
 568         else if (modifier == WINED3DSPSM_NOT)
 569             TRACE("!");
 570
 571         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 572             TRACE("abs(");
 573     }
 574
 575     switch (regtype) {
 576         case WINED3DSPR_TEMP:
 577             TRACE("r%u", reg);
 578             break;
 579         case WINED3DSPR_INPUT:
 580             TRACE("v");
 581             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 582             break;
 583         case WINED3DSPR_CONST:
 584         case WINED3DSPR_CONST2:
 585         case WINED3DSPR_CONST3:
 586         case WINED3DSPR_CONST4:
 587             TRACE("c");
 588             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 589             break;
 590         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 591             TRACE("%c%u", (pshader? 't':'a'), reg);
 592             break;
 593         case WINED3DSPR_RASTOUT:
 594             TRACE("%s", rastout_reg_names[reg]);
 595             break;
 596         case WINED3DSPR_COLOROUT:
 597             TRACE("oC%u", reg);
 598             break;
 599         case WINED3DSPR_DEPTHOUT:
 600             TRACE("oDepth");
 601             break;
 602         case WINED3DSPR_ATTROUT:
 603             TRACE("oD%u", reg);
 604             break;
 605         case WINED3DSPR_TEXCRDOUT:
 606
 607             /* Vertex shaders >= 3.0 use general purpose output registers
 608              * (WINED3DSPR_OUTPUT), which can include an address token */
 609
 610             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 611                 TRACE("o");
 612                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 613             }
 614             else
 615                TRACE("oT%u", reg);
 616             break;
 617         case WINED3DSPR_CONSTINT:
 618             TRACE("i");
 619             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 620             break;
 621         case WINED3DSPR_CONSTBOOL:
 622             TRACE("b");
 623             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 624             break;
 625         case WINED3DSPR_LABEL:
 626             TRACE("l%u", reg);
 627             break;
 628         case WINED3DSPR_LOOP:
 629             TRACE("aL");
 630             break;
 631         case WINED3DSPR_SAMPLER:
 632             TRACE("s%u", reg);
 633             break;
 634         case WINED3DSPR_MISCTYPE:
 635             if (reg > 1) {
 636                 FIXME("Unhandled misctype register %d\n", reg);
 637             } else {
 638                 TRACE("%s", misctype_reg_names[reg]);
 639             }
 640             break;
 641         case WINED3DSPR_PREDICATE:
 642             TRACE("p%u", reg);
 643             break;
 644         default:
 645             TRACE("unhandled_rtype(%#x)", regtype);
 646             break;
 647    }
 648
 649    if (!input) {
 650        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 651
 652        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 653            TRACE(".");
 654            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 655            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 656            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 657            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 658        }
 659
 660    } else {
 661         /** operand input */
 662         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 663         DWORD swizzle_r = swizzle & 0x03;
 664         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 665         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 666         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 667
 668         if (0 != modifier) {
 669             switch (modifier) {
 670                 case WINED3DSPSM_NONE:    break;
 671                 case WINED3DSPSM_NEG:     break;
 672                 case WINED3DSPSM_NOT:     break;
 673                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 674                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 675                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 676                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 677                 case WINED3DSPSM_COMP:    break;
 678                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 679                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 680                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 681                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 682                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 683                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 684                 default:
 685                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 686             }
 687         }
 688
 689         /**
 690         * swizzle bits fields:
 691         *  RRGGBBAA
 692         */
 693         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 694             if (swizzle_r == swizzle_g &&
 695                 swizzle_r == swizzle_b &&
 696                 swizzle_r == swizzle_a) {
 697                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 698             } else {
 699                 TRACE(".%c%c%c%c",
 700                 swizzle_reg_chars[swizzle_r],
 701                 swizzle_reg_chars[swizzle_g],
 702                 swizzle_reg_chars[swizzle_b],
 703                 swizzle_reg_chars[swizzle_a]);
 704             }
 705         }
 706     }
 707 }
 708
 709 /** Shared code in order to generate the bulk of the shader string.
 710     Use the shader_header_fct & shader_footer_fct to add strings
 711     that are specific to pixel or vertex functions
 712     NOTE: A description of how to parse tokens can be found at:
 713           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 714 void shader_generate_main(
 715     IWineD3DBaseShader *iface,
 716     SHADER_BUFFER* buffer,
 717     shader_reg_maps* reg_maps,
 718     CONST DWORD* pFunction) {
 719
 720     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 721     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 722     const DWORD *pToken = pFunction;
 723     const SHADER_OPCODE *curOpcode = NULL;
 724     SHADER_HANDLER hw_fct = NULL;
 725     DWORD i;
 726     SHADER_OPCODE_ARG hw_arg;
 727
 728     /* Initialize current parsing state */
 729     hw_arg.shader = iface;
 730     hw_arg.buffer = buffer;
 731     hw_arg.reg_maps = reg_maps;
 732     This->baseShader.parse_state.current_row = 0;
 733
 734     /* Second pass, process opcodes */
 735     if (NULL != pToken) {
 736         while (WINED3DPS_END() != *pToken) {
 737
 738             /* Skip version token */
 739             if (shader_is_version_token(*pToken)) {
 740                 ++pToken;
 741                 continue;
 742             }
 743
 744             /* Skip comment tokens */
 745             if (shader_is_comment(*pToken)) {
 746                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 747                 ++pToken;
 748                 TRACE("#%s\n", (const char*)pToken);
 749                 pToken += comment_len;
 750                 continue;
 751             }
 752
 753             /* Read opcode */
 754             hw_arg.opcode_token = *pToken++;
 755             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 756
 757             /* Select handler */
 758             if (curOpcode == NULL)
 759                 hw_fct = NULL;
 760             else if (This->baseShader.shader_mode == SHADER_GLSL)
 761                 hw_fct = curOpcode->hw_glsl_fct;
 762             else if (This->baseShader.shader_mode == SHADER_ARB)
 763                 hw_fct = curOpcode->hw_fct;
 764
 765             /* Unknown opcode and its parameters */
 766             if (NULL == curOpcode) {
 767                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 768                 pToken += shader_skip_unrecognized(iface, pToken);
 769
 770             /* Nothing to do */
 771             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 772                        WINED3DSIO_NOP == curOpcode->opcode ||
 773                        WINED3DSIO_DEF == curOpcode->opcode ||
 774                        WINED3DSIO_DEFI == curOpcode->opcode ||
 775                        WINED3DSIO_DEFB == curOpcode->opcode ||
 776                        WINED3DSIO_PHASE == curOpcode->opcode ||
 777                        WINED3DSIO_RET == curOpcode->opcode) {
 778
 779                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 780
 781             /* If a generator function is set for current shader target, use it */
 782             } else if (hw_fct != NULL) {
 783
 784                 hw_arg.opcode = curOpcode;
 785
 786                 /* Destination token */
 787                 if (curOpcode->dst_token) {
 788
 789                     DWORD param, addr_token = 0;
 790                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 791                     hw_arg.dst = param;
 792                     hw_arg.dst_addr = addr_token;
 793                 }
 794
 795                 /* Predication token */
 796                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 797                     hw_arg.predicate = *pToken++;
 798
 799                 /* Other source tokens */
 800                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 801
 802                     DWORD param, addr_token = 0;
 803                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 804                     hw_arg.src[i] = param;
 805                     hw_arg.src_addr[i] = addr_token;
 806                 }
 807
 808                 /* Call appropriate function for output target */
 809                 hw_fct(&hw_arg);
 810
 811                 /* Add color correction if needed */
 812                 device->shader_backend->shader_color_correction(&hw_arg);
 813
 814                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 815                 if (This->baseShader.shader_mode == SHADER_GLSL)
 816                     shader_glsl_add_instruction_modifiers(&hw_arg);
 817
 818             /* Unhandled opcode */
 819             } else {
 820
 821                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 822                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 823             }
 824         }
 825         /* TODO: What about result.depth? */
 826
 827     }
 828 }
 829
 830 void shader_dump_ins_modifiers(const DWORD output) {
 831
 832     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 833     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 834
 835     switch (shift) {
 836         case 0: break;
 837         case 13: TRACE("_d8"); break;
 838         case 14: TRACE("_d4"); break;
 839         case 15: TRACE("_d2"); break;
 840         case 1: TRACE("_x2"); break;
 841         case 2: TRACE("_x4"); break;
 842         case 3: TRACE("_x8"); break;
 843         default: TRACE("_unhandled_shift(%d)", shift); break;
 844     }
 845
 846     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 847     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 848     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 849
 850     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 851     if (mmask)
 852         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 853 }
 854
 855 /* First pass: trace shader, initialize length and version */
 856 void shader_trace_init(
 857     IWineD3DBaseShader *iface,
 858     const DWORD* pFunction) {
 859
 860     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 861
 862     const DWORD* pToken = pFunction;
 863     const SHADER_OPCODE* curOpcode = NULL;
 864     DWORD opcode_token;
 865     unsigned int len = 0;
 866     DWORD i;
 867
 868     TRACE("(%p) : Parsing programme\n", This);
 869
 870     if (NULL != pToken) {
 871         while (WINED3DVS_END() != *pToken) {
 872             if (shader_is_version_token(*pToken)) { /** version */
 873                 This->baseShader.hex_version = *pToken;
 874                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 875                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 876                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 877                 ++pToken;
 878                 ++len;
 879                 continue;
 880             }
 881             if (shader_is_comment(*pToken)) { /** comment */
 882                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 883                 ++pToken;
 884                 TRACE("//%s\n", (const char*)pToken);
 885                 pToken += comment_len;
 886                 len += comment_len + 1;
 887                 continue;
 888             }
 889             opcode_token = *pToken++;
 890             curOpcode = shader_get_opcode(iface, opcode_token);
 891             len++;
 892
 893             if (NULL == curOpcode) {
 894                 int tokens_read;
 895                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 896                 tokens_read = shader_skip_unrecognized(iface, pToken);
 897                 pToken += tokens_read;
 898                 len += tokens_read;
 899
 900             } else {
 901                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 902
 903                     DWORD usage = *pToken;
 904                     DWORD param = *(pToken + 1);
 905
 906                     shader_dump_decl_usage(This, usage, param);
 907                     shader_dump_ins_modifiers(param);
 908                     TRACE(" ");
 909                     shader_dump_param(iface, param, 0, 0);
 910                     pToken += 2;
 911                     len += 2;
 912
 913                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 914
 915                         unsigned int offset = shader_get_float_offset(*pToken);
 916
 917                         TRACE("def c%u = %f, %f, %f, %f", offset,
 918                             *(const float *)(pToken + 1),
 919                             *(const float *)(pToken + 2),
 920                             *(const float *)(pToken + 3),
 921                             *(const float *)(pToken + 4));
 922
 923                         pToken += 5;
 924                         len += 5;
 925                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 926
 927                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 928                             *(pToken + 1),
 929                             *(pToken + 2),
 930                             *(pToken + 3),
 931                             *(pToken + 4));
 932
 933                         pToken += 5;
 934                         len += 5;
 935
 936                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 937
 938                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 939                             *(pToken + 1)? "true": "false");
 940
 941                         pToken += 2;
 942                         len += 2;
 943
 944                 } else {
 945
 946                     DWORD param, addr_token;
 947                     int tokens_read;
 948
 949                     /* Print out predication source token first - it follows
 950                      * the destination token. */
 951                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 952                         TRACE("(");
 953                         shader_dump_param(iface, *(pToken + 2), 0, 1);
 954                         TRACE(") ");
 955                     }
 956                     if (opcode_token & WINED3DSI_COISSUE) {
 957                         /* PixWin marks instructions with the coissue flag with a '+' */
 958                         TRACE("+");
 959                     }
 960
 961                     TRACE("%s", curOpcode->name);
 962
 963                     if (curOpcode->opcode == WINED3DSIO_IFC ||
 964                         curOpcode->opcode == WINED3DSIO_BREAKC) {
 965
 966                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
 967                         switch (op) {
 968                             case COMPARISON_GT: TRACE("_gt"); break;
 969                             case COMPARISON_EQ: TRACE("_eq"); break;
 970                             case COMPARISON_GE: TRACE("_ge"); break;
 971                             case COMPARISON_LT: TRACE("_lt"); break;
 972                             case COMPARISON_NE: TRACE("_ne"); break;
 973                             case COMPARISON_LE: TRACE("_le"); break;
 974                             default:
 975                                 TRACE("_(%u)", op);
 976                         }
 977                     } else if (curOpcode->opcode == WINED3DSIO_TEX &&
 978                                This->baseShader.hex_version >= WINED3DPS_VERSION(2,0)) {
 979                         if(opcode_token & WINED3DSI_TEXLD_PROJECT) TRACE("p");
 980                     }
 981
 982                     /* Destination token */
 983                     if (curOpcode->dst_token) {
 984
 985                         /* Destination token */
 986                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 987                         pToken += tokens_read;
 988                         len += tokens_read;
 989
 990                         shader_dump_ins_modifiers(param);
 991                         TRACE(" ");
 992                         shader_dump_param(iface, param, addr_token, 0);
 993                     }
 994
 995                     /* Predication token - already printed out, just skip it */
 996                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 997                         pToken++;
 998                         len++;
 999                     }
1000
1001                     /* Other source tokens */
1002                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
1003
1004                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
1005                         pToken += tokens_read;
1006                         len += tokens_read;
1007
1008                         TRACE((i == 0)? " " : ", ");
1009                         shader_dump_param(iface, param, addr_token, 1);
1010                     }
1011                 }
1012                 TRACE("\n");
1013             }
1014         }
1015         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
1016     } else {
1017         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
1018     }
1019 }
1020
1021 void shader_delete_constant_list(
1022     struct list* clist) {
1023
1024     struct list *ptr;
1025     struct local_constant* constant;
1026
1027     ptr = list_head(clist);
1028     while (ptr) {
1029         constant = LIST_ENTRY(ptr, struct local_constant, entry);
1030         ptr = list_next(clist, ptr);
1031         HeapFree(GetProcessHeap(), 0, constant);
1032     }
1033 }
1034
1035 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1036 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
1037 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1038 static void shader_none_cleanup(IWineD3DDevice *iface) {}
1039
1040 const shader_backend_t none_shader_backend = {
1041     &shader_none_select,
1042     &shader_none_select_depth_blt,
1043     &shader_none_load_constants,
1044     &shader_none_cleanup
1045 };