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