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

   1 /*
   2  * shaders implementation
   3  *
   4  * Copyright 2002-2003 Jason Edmeades
   5  * Copyright 2002-2003 Raphael Junqueira
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2006 Ivan Gyurdiev
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include "wined3d_private.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  31
  32 #define GLNAME_REQUIRE_GLSL  ((const char *)1)
  33
  34 inline static BOOL shader_is_version_token(DWORD token) {
  35     return shader_is_pshader_version(token) ||
  36            shader_is_vshader_version(token);
  37 }
  38
  39 int shader_addline(
  40     SHADER_BUFFER* buffer,
  41     const char *format, ...) {
  42
  43     char* base = buffer->buffer + buffer->bsize;
  44     int rc;
  45
  46     va_list args;
  47     va_start(args, format);
  48     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  49     va_end(args);
  50
  51     if (rc < 0 ||                                   /* C89 */
  52         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  53
  54         ERR("The buffer allocated for the shader program string "
  55             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  56         buffer->bsize = SHADER_PGMSIZE - 1;
  57         return -1;
  58     }
  59
  60     buffer->bsize += rc;
  61     buffer->lineNo++;
  62     TRACE("GL HW (%u, %u) : %s", buffer->lineNo, buffer->bsize, base);
  63     return 0;
  64 }
  65
  66 const SHADER_OPCODE* shader_get_opcode(
  67     IWineD3DBaseShader *iface, const DWORD code) {
  68
  69     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl*) iface;
  70
  71     DWORD i = 0;
  72     DWORD hex_version = This->baseShader.hex_version;
  73     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
  74
  75     /** TODO: use dichotomic search */
  76     while (NULL != shader_ins[i].name) {
  77         if (((code & WINED3DSI_OPCODE_MASK) == shader_ins[i].opcode) &&
  78             (((hex_version >= shader_ins[i].min_version) && (hex_version <= shader_ins[i].max_version)) ||
  79             ((shader_ins[i].min_version == 0) && (shader_ins[i].max_version == 0)))) {
  80             return &shader_ins[i];
  81         }
  82         ++i;
  83     }
  84     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
  85        code, code, code & WINED3DSI_OPCODE_MASK, hex_version);
  86     return NULL;
  87 }
  88
  89 /* Read a parameter opcode from the input stream,
  90  * and possibly a relative addressing token.
  91  * Return the number of tokens read */
  92 int shader_get_param(
  93     IWineD3DBaseShader* iface,
  94     const DWORD* pToken,
  95     DWORD* param,
  96     DWORD* addr_token) {
  97
  98     /* PS >= 3.0 have relative addressing (with token)
  99      * VS >= 2.0 have relative addressing (with token)
 100      * VS >= 1.0 < 2.0 have relative addressing (without token)
 101      * The version check below should work in general */
 102
 103     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 104     char rel_token = WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2 &&
 105         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 106
 107     *param = *pToken;
 108     *addr_token = rel_token? *(pToken + 1): 0;
 109     return rel_token? 2:1;
 110 }
 111
 112 /* Return the number of parameters to skip for an opcode */
 113 static inline int shader_skip_opcode(
 114     IWineD3DBaseShaderImpl* This,
 115     const SHADER_OPCODE* curOpcode,
 116     DWORD opcode_token) {
 117
 118    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 119     * have a useful legnth mask - use it here. Shaders 1.0 contain no such tokens */
 120
 121     return (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 2)?
 122         ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT):
 123         curOpcode->num_params;
 124 }
 125
 126 /* Read the parameters of an unrecognized opcode from the input stream
 127  * Return the number of tokens read.
 128  *
 129  * Note: This function assumes source or destination token format.
 130  * It will not work with specially-formatted tokens like DEF or DCL,
 131  * but hopefully those would be recognized */
 132
 133 int shader_skip_unrecognized(
 134     IWineD3DBaseShader* iface,
 135     const DWORD* pToken) {
 136
 137     int tokens_read = 0;
 138     int i = 0;
 139
 140     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 141     while (*pToken & 0x80000000) {
 142
 143         DWORD param, addr_token;
 144         tokens_read += shader_get_param(iface, pToken, &param, &addr_token);
 145         pToken += tokens_read;
 146
 147         FIXME("Unrecognized opcode param: token=%08x "
 148             "addr_token=%08x name=", param, addr_token);
 149         shader_dump_param(iface, param, addr_token, i);
 150         FIXME("\n");
 151         ++i;
 152     }
 153     return tokens_read;
 154 }
 155
 156 /* Convert floating point offset relative
 157  * to a register file to an absolute offset for float constants */
 158
 159 unsigned int shader_get_float_offset(const DWORD reg) {
 160
 161      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 162      int regtype = shader_get_regtype(reg);
 163
 164      switch (regtype) {
 165         case WINED3DSPR_CONST: return regnum;
 166         case WINED3DSPR_CONST2: return 2048 + regnum;
 167         case WINED3DSPR_CONST3: return 4096 + regnum;
 168         case WINED3DSPR_CONST4: return 6144 + regnum;
 169         default:
 170             FIXME("Unsupported register type: %d\n", regtype);
 171             return regnum;
 172      }
 173 }
 174
 175 /* Note that this does not count the loop register
 176  * as an address register. */
 177
 178 HRESULT shader_get_registers_used(
 179     IWineD3DBaseShader *iface,
 180     shader_reg_maps* reg_maps,
 181     semantic* semantics_in,
 182     semantic* semantics_out,
 183     CONST DWORD* pToken,
 184     IWineD3DStateBlockImpl *stateBlock) {
 185
 186     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 187
 188     /* There are some minor differences between pixel and vertex shaders */
 189     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 190
 191     if (pToken == NULL)
 192         return WINED3D_OK;
 193
 194     while (WINED3DVS_END() != *pToken) {
 195         CONST SHADER_OPCODE* curOpcode;
 196         DWORD opcode_token;
 197
 198         /* Skip version */
 199         if (shader_is_version_token(*pToken)) {
 200              ++pToken;
 201              continue;
 202
 203         /* Skip comments */
 204         } else if (shader_is_comment(*pToken)) {
 205              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 206              ++pToken;
 207              pToken += comment_len;
 208              continue;
 209         }
 210
 211         /* Fetch opcode */
 212         opcode_token = *pToken++;
 213         curOpcode = shader_get_opcode(iface, opcode_token);
 214
 215         /* Unhandled opcode, and its parameters */
 216         if (NULL == curOpcode) {
 217            while (*pToken & 0x80000000)
 218                ++pToken;
 219
 220         /* Handle declarations */
 221         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 222
 223             DWORD usage = *pToken++;
 224             DWORD param = *pToken++;
 225             DWORD regtype = shader_get_regtype(param);
 226             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 227
 228             /* Vshader: mark attributes used
 229                Pshader: mark 3.0 input registers used, save token */
 230             if (WINED3DSPR_INPUT == regtype) {
 231
 232                 if (!pshader)
 233                     reg_maps->attributes[regnum] = 1;
 234                 else
 235                     reg_maps->packed_input[regnum] = 1;
 236
 237                 semantics_in[regnum].usage = usage;
 238                 semantics_in[regnum].reg = param;
 239
 240             /* Vshader: mark 3.0 output registers used, save token */
 241             } else if (WINED3DSPR_OUTPUT == regtype) {
 242                 reg_maps->packed_output[regnum] = 1;
 243                 semantics_out[regnum].usage = usage;
 244                 semantics_out[regnum].reg = param;
 245
 246             /* Save sampler usage token */
 247             } else if (WINED3DSPR_SAMPLER == regtype)
 248                 reg_maps->samplers[regnum] = usage;
 249
 250         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 251
 252             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 253             if (!lconst) return E_OUTOFMEMORY;
 254             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 255             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 256             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 257             pToken += curOpcode->num_params;
 258
 259         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 260
 261             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 262             if (!lconst) return E_OUTOFMEMORY;
 263             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 264             memcpy(&lconst->value, pToken + 1, 4 * sizeof(DWORD));
 265             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 266             pToken += curOpcode->num_params;
 267
 268         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 269
 270             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 271             if (!lconst) return E_OUTOFMEMORY;
 272             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 273             memcpy(&lconst->value, pToken + 1, 1 * sizeof(DWORD));
 274             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 275             pToken += curOpcode->num_params;
 276
 277         /* If there's a loop in the shader */
 278         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 279                    WINED3DSIO_REP == curOpcode->opcode) {
 280             reg_maps->loop = 1;
 281             pToken += curOpcode->num_params;
 282
 283         /* For subroutine prototypes */
 284         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 285
 286             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 287             reg_maps->labels[snum] = 1;
 288             pToken += curOpcode->num_params;
 289
 290         /* Set texture, address, temporary registers */
 291         } else {
 292             int i, limit;
 293
 294             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 295             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 296                 (WINED3DSIO_TEX == curOpcode->opcode ||
 297                  WINED3DSIO_TEXBEM == curOpcode->opcode ||
 298                  WINED3DSIO_TEXM3x2TEX == curOpcode->opcode ||
 299                  WINED3DSIO_TEXM3x3TEX == curOpcode->opcode)) {
 300
 301                 /* Fake sampler usage, only set reserved bit and ttype */
 302                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 303
 304                 if(!stateBlock->textures[sampler_code]) {
 305                     ERR("No texture bound to sampler %d\n", sampler_code);
 306                     reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 307                 } else {
 308                     int texType = IWineD3DBaseTexture_GetTextureDimensions(stateBlock->textures[sampler_code]);
 309                     switch(texType) {
 310                         case GL_TEXTURE_1D:
 311                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_1D;
 312                             break;
 313
 314                         case GL_TEXTURE_2D:
 315                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 316                             break;
 317
 318                         case GL_TEXTURE_3D:
 319                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_VOLUME;
 320                             break;
 321
 322                         case GL_TEXTURE_CUBE_MAP_ARB:
 323                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 324                             break;
 325
 326                         default:
 327                             ERR("Unexpected gl texture type found: %d\n", texType);
 328                             reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 329                     }
 330                 }
 331
 332             } else if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 333                 (WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode ||
 334                  WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode)) {
 335
 336                 /* 3D sampler usage, only set reserved bit and ttype
 337                  * FIXME: This could be either Cube or Volume, but we wouldn't know unless
 338                  * we waited to generate the shader until the textures were all bound.
 339                  * For now, use Cube textures because they are more common. */
 340                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 341                 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_CUBE;
 342             } else if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) == 1 &&
 343                 (WINED3DSIO_TEXDP3TEX == curOpcode->opcode)) {
 344
 345                 /* 1D Sampler usage */
 346                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 347                 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_1D;
 348             }
 349
 350             /* This will loop over all the registers and try to
 351              * make a bitmask of the ones we're interested in.
 352              *
 353              * Relative addressing tokens are ignored, but that's
 354              * okay, since we'll catch any address registers when
 355              * they are initialized (required by spec) */
 356
 357             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 358                 curOpcode->num_params + 1: curOpcode->num_params;
 359
 360             for (i = 0; i < limit; ++i) {
 361
 362                 DWORD param, addr_token, reg, regtype;
 363                 pToken += shader_get_param(iface, pToken, &param, &addr_token);
 364
 365                 regtype = shader_get_regtype(param);
 366                 reg = param & WINED3DSP_REGNUM_MASK;
 367
 368                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 369
 370                     if (pshader)
 371                         reg_maps->texcoord[reg] = 1;
 372                     else
 373                         reg_maps->address[reg] = 1;
 374                 }
 375
 376                 else if (WINED3DSPR_TEMP == regtype)
 377                     reg_maps->temporary[reg] = 1;
 378
 379                 else if (WINED3DSPR_INPUT == regtype && !pshader)
 380                     reg_maps->attributes[reg] = 1;
 381
 382                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 383                     reg_maps->fog = 1;
 384              }
 385         }
 386     }
 387
 388     return WINED3D_OK;
 389 }
 390
 391 static void shader_dump_decl_usage(
 392     IWineD3DBaseShaderImpl* This,
 393     DWORD decl,
 394     DWORD param) {
 395
 396     DWORD regtype = shader_get_regtype(param);
 397
 398     TRACE("dcl");
 399
 400     if (regtype == WINED3DSPR_SAMPLER) {
 401         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 402
 403         switch (ttype) {
 404             case WINED3DSTT_2D: TRACE("_2d"); break;
 405             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 406             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 407             default: TRACE("_unknown_ttype(%08x)", ttype);
 408        }
 409
 410     } else {
 411
 412         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 413         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 414
 415         /* Pixel shaders 3.0 don't have usage semantics */
 416         char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 417         if (pshader && This->baseShader.hex_version < WINED3DPS_VERSION(3,0))
 418             return;
 419         else
 420             TRACE("_");
 421
 422         switch(usage) {
 423         case D3DDECLUSAGE_POSITION:
 424             TRACE("position%d", idx);
 425             break;
 426         case D3DDECLUSAGE_BLENDINDICES:
 427             TRACE("blend");
 428             break;
 429         case D3DDECLUSAGE_BLENDWEIGHT:
 430             TRACE("weight");
 431             break;
 432         case D3DDECLUSAGE_NORMAL:
 433             TRACE("normal%d", idx);
 434             break;
 435         case D3DDECLUSAGE_PSIZE:
 436             TRACE("psize");
 437             break;
 438         case D3DDECLUSAGE_COLOR:
 439             if(idx == 0)  {
 440                 TRACE("color");
 441             } else {
 442                 TRACE("specular%d", (idx - 1));
 443             }
 444             break;
 445         case D3DDECLUSAGE_TEXCOORD:
 446             TRACE("texture%d", idx);
 447             break;
 448         case D3DDECLUSAGE_TANGENT:
 449             TRACE("tangent");
 450             break;
 451         case D3DDECLUSAGE_BINORMAL:
 452             TRACE("binormal");
 453             break;
 454         case D3DDECLUSAGE_TESSFACTOR:
 455             TRACE("tessfactor");
 456             break;
 457         case D3DDECLUSAGE_POSITIONT:
 458             TRACE("positionT%d", idx);
 459             break;
 460         case D3DDECLUSAGE_FOG:
 461             TRACE("fog");
 462             break;
 463         case D3DDECLUSAGE_DEPTH:
 464             TRACE("depth");
 465             break;
 466         case D3DDECLUSAGE_SAMPLE:
 467             TRACE("sample");
 468             break;
 469         default:
 470             FIXME("unknown_semantics(%08x)", usage);
 471         }
 472     }
 473 }
 474
 475 static void shader_dump_arr_entry(
 476     IWineD3DBaseShader *iface,
 477     const DWORD param,
 478     const DWORD addr_token,
 479     unsigned int reg,
 480     int input) {
 481
 482     char relative =
 483         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 484
 485     if (relative) {
 486         TRACE("[");
 487         if (addr_token)
 488             shader_dump_param(iface, addr_token, 0, input);
 489         else
 490             TRACE("a0.x");
 491         TRACE(" + ");
 492      }
 493      TRACE("%u", reg);
 494      if (relative)
 495          TRACE("]");
 496 }
 497
 498 void shader_dump_param(
 499     IWineD3DBaseShader *iface,
 500     const DWORD param,
 501     const DWORD addr_token,
 502     int input) {
 503
 504     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 505     static const char* rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 506     char swizzle_reg_chars[4];
 507
 508     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 509     DWORD regtype = shader_get_regtype(param);
 510     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 511
 512     /* There are some minor differences between pixel and vertex shaders */
 513     char pshader = shader_is_pshader_version(This->baseShader.hex_version);
 514
 515     /* For one, we'd prefer color components to be shown for pshaders.
 516      * FIXME: use the swizzle function for this */
 517
 518     swizzle_reg_chars[0] = pshader? 'r': 'x';
 519     swizzle_reg_chars[1] = pshader? 'g': 'y';
 520     swizzle_reg_chars[2] = pshader? 'b': 'z';
 521     swizzle_reg_chars[3] = pshader? 'a': 'w';
 522
 523     if (input) {
 524         if ( (modifier == WINED3DSPSM_NEG) ||
 525              (modifier == WINED3DSPSM_BIASNEG) ||
 526              (modifier == WINED3DSPSM_SIGNNEG) ||
 527              (modifier == WINED3DSPSM_X2NEG) ||
 528              (modifier == WINED3DSPSM_ABSNEG) )
 529             TRACE("-");
 530         else if (modifier == WINED3DSPSM_COMP)
 531             TRACE("1-");
 532         else if (modifier == WINED3DSPSM_NOT)
 533             TRACE("!");
 534
 535         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 536             TRACE("abs(");
 537     }
 538
 539     switch (regtype) {
 540         case WINED3DSPR_TEMP:
 541             TRACE("r%u", reg);
 542             break;
 543         case WINED3DSPR_INPUT:
 544             TRACE("v");
 545             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 546             break;
 547         case WINED3DSPR_CONST:
 548         case WINED3DSPR_CONST2:
 549         case WINED3DSPR_CONST3:
 550         case WINED3DSPR_CONST4:
 551             TRACE("c");
 552             shader_dump_arr_entry(iface, param, addr_token, shader_get_float_offset(param), input);
 553             break;
 554         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 555             TRACE("%c%u", (pshader? 't':'a'), reg);
 556             break;
 557         case WINED3DSPR_RASTOUT:
 558             TRACE("%s", rastout_reg_names[reg]);
 559             break;
 560         case WINED3DSPR_COLOROUT:
 561             TRACE("oC%u", reg);
 562             break;
 563         case WINED3DSPR_DEPTHOUT:
 564             TRACE("oDepth");
 565             break;
 566         case WINED3DSPR_ATTROUT:
 567             TRACE("oD%u", reg);
 568             break;
 569         case WINED3DSPR_TEXCRDOUT:
 570
 571             /* Vertex shaders >= 3.0 use general purpose output registers
 572              * (WINED3DSPR_OUTPUT), which can include an address token */
 573
 574             if (WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version) >= 3) {
 575                 TRACE("o");
 576                 shader_dump_arr_entry(iface, param, addr_token, reg, input);
 577             }
 578             else
 579                TRACE("oT%u", reg);
 580             break;
 581         case WINED3DSPR_CONSTINT:
 582             TRACE("i");
 583             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 584             break;
 585         case WINED3DSPR_CONSTBOOL:
 586             TRACE("b");
 587             shader_dump_arr_entry(iface, param, addr_token, reg, input);
 588             break;
 589         case WINED3DSPR_LABEL:
 590             TRACE("l%u", reg);
 591             break;
 592         case WINED3DSPR_LOOP:
 593             TRACE("aL");
 594             break;
 595         case WINED3DSPR_SAMPLER:
 596             TRACE("s%u", reg);
 597             break;
 598         case WINED3DSPR_PREDICATE:
 599             TRACE("p%u", reg);
 600             break;
 601         default:
 602             TRACE("unhandled_rtype(%#x)", regtype);
 603             break;
 604    }
 605
 606    if (!input) {
 607        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 608
 609        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 610            TRACE(".");
 611            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 612            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 613            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 614            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 615        }
 616
 617    } else {
 618         /** operand input */
 619         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 620         DWORD swizzle_r = swizzle & 0x03;
 621         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 622         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 623         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 624
 625         if (0 != modifier) {
 626             switch (modifier) {
 627                 case WINED3DSPSM_NONE:    break;
 628                 case WINED3DSPSM_NEG:     break;
 629                 case WINED3DSPSM_NOT:     break;
 630                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 631                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 632                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 633                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 634                 case WINED3DSPSM_COMP:    break;
 635                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 636                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 637                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 638                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 639                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 640                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 641                 default:
 642                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 643             }
 644         }
 645
 646         /**
 647         * swizzle bits fields:
 648         *  RRGGBBAA
 649         */
 650         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 651             if (swizzle_r == swizzle_g &&
 652                 swizzle_r == swizzle_b &&
 653                 swizzle_r == swizzle_a) {
 654                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 655             } else {
 656                 TRACE(".%c%c%c%c",
 657                 swizzle_reg_chars[swizzle_r],
 658                 swizzle_reg_chars[swizzle_g],
 659                 swizzle_reg_chars[swizzle_b],
 660                 swizzle_reg_chars[swizzle_a]);
 661             }
 662         }
 663     }
 664 }
 665
 666 /** Shared code in order to generate the bulk of the shader string.
 667     Use the shader_header_fct & shader_footer_fct to add strings
 668     that are specific to pixel or vertex functions
 669     NOTE: A description of how to parse tokens can be found at:
 670           http://msdn.microsoft.com/library/default.asp?url=/library/en-us/graphics/hh/graphics/usermodedisplaydriver_shader_cc8e4e05-f5c3-4ec0-8853-8ce07c1551b2.xml.asp */
 671 void shader_generate_main(
 672     IWineD3DBaseShader *iface,
 673     SHADER_BUFFER* buffer,
 674     shader_reg_maps* reg_maps,
 675     CONST DWORD* pFunction) {
 676
 677     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 678     const DWORD *pToken = pFunction;
 679     const SHADER_OPCODE *curOpcode = NULL;
 680     SHADER_HANDLER hw_fct = NULL;
 681     DWORD i;
 682     SHADER_OPCODE_ARG hw_arg;
 683
 684     /* Initialize current parsing state */
 685     hw_arg.shader = iface;
 686     hw_arg.buffer = buffer;
 687     hw_arg.reg_maps = reg_maps;
 688     This->baseShader.parse_state.current_row = 0;
 689
 690     /* Second pass, process opcodes */
 691     if (NULL != pToken) {
 692         while (WINED3DPS_END() != *pToken) {
 693
 694             /* Skip version token */
 695             if (shader_is_version_token(*pToken)) {
 696                 ++pToken;
 697                 continue;
 698             }
 699
 700             /* Skip comment tokens */
 701             if (shader_is_comment(*pToken)) {
 702                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 703                 ++pToken;
 704                 TRACE("#%s\n", (const char*)pToken);
 705                 pToken += comment_len;
 706                 continue;
 707             }
 708
 709             /* Read opcode */
 710             hw_arg.opcode_token = *pToken++;
 711             curOpcode = shader_get_opcode(iface, hw_arg.opcode_token);
 712
 713             /* Select handler */
 714             if (curOpcode == NULL)
 715                 hw_fct = NULL;
 716             else if (This->baseShader.shader_mode == SHADER_GLSL)
 717                 hw_fct = curOpcode->hw_glsl_fct;
 718             else if (This->baseShader.shader_mode == SHADER_ARB)
 719                 hw_fct = curOpcode->hw_fct;
 720
 721             /* Unknown opcode and its parameters */
 722             if (NULL == curOpcode) {
 723                 FIXME("Unrecognized opcode: token=%08x\n", hw_arg.opcode_token);
 724                 pToken += shader_skip_unrecognized(iface, pToken);
 725
 726             /* Nothing to do */
 727             } else if (WINED3DSIO_DCL == curOpcode->opcode ||
 728                        WINED3DSIO_NOP == curOpcode->opcode ||
 729                        WINED3DSIO_DEF == curOpcode->opcode ||
 730                        WINED3DSIO_DEFI == curOpcode->opcode ||
 731                        WINED3DSIO_DEFB == curOpcode->opcode ||
 732                        WINED3DSIO_PHASE == curOpcode->opcode ||
 733                        WINED3DSIO_RET == curOpcode->opcode) {
 734
 735                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 736
 737             /* If a generator function is set for current shader target, use it */
 738             } else if (hw_fct != NULL) {
 739
 740                 hw_arg.opcode = curOpcode;
 741
 742                 /* Destination token */
 743                 if (curOpcode->dst_token) {
 744
 745                     DWORD param, addr_token = 0;
 746                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 747                     hw_arg.dst = param;
 748                     hw_arg.dst_addr = addr_token;
 749                 }
 750
 751                 /* Predication token */
 752                 if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
 753                     hw_arg.predicate = *pToken++;
 754
 755                 /* Other source tokens */
 756                 for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); i++) {
 757
 758                     DWORD param, addr_token = 0;
 759                     pToken += shader_get_param(iface, pToken, &param, &addr_token);
 760                     hw_arg.src[i] = param;
 761                     hw_arg.src_addr[i] = addr_token;
 762                 }
 763
 764                 /* Call appropriate function for output target */
 765                 hw_fct(&hw_arg);
 766
 767                 /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 768                 if (This->baseShader.shader_mode == SHADER_GLSL)
 769                     shader_glsl_add_instruction_modifiers(&hw_arg);
 770
 771             /* Unhandled opcode */
 772             } else {
 773
 774                 FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 775                 pToken += shader_skip_opcode(This, curOpcode, hw_arg.opcode_token);
 776             }
 777         }
 778         /* TODO: What about result.depth? */
 779
 780     }
 781 }
 782
 783 void shader_dump_ins_modifiers(const DWORD output) {
 784
 785     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 786     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 787
 788     switch (shift) {
 789         case 0: break;
 790         case 13: TRACE("_d8"); break;
 791         case 14: TRACE("_d4"); break;
 792         case 15: TRACE("_d2"); break;
 793         case 1: TRACE("_x2"); break;
 794         case 2: TRACE("_x4"); break;
 795         case 3: TRACE("_x8"); break;
 796         default: TRACE("_unhandled_shift(%d)", shift); break;
 797     }
 798
 799     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 800     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 801     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 802
 803     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 804     if (mmask)
 805         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 806 }
 807
 808 /* First pass: trace shader, initialize length and version */
 809 void shader_trace_init(
 810     IWineD3DBaseShader *iface,
 811     const DWORD* pFunction) {
 812
 813     IWineD3DBaseShaderImpl *This =(IWineD3DBaseShaderImpl *)iface;
 814
 815     const DWORD* pToken = pFunction;
 816     const SHADER_OPCODE* curOpcode = NULL;
 817     DWORD opcode_token;
 818     unsigned int len = 0;
 819     DWORD i;
 820
 821     TRACE("(%p) : Parsing programme\n", This);
 822
 823     if (NULL != pToken) {
 824         while (WINED3DVS_END() != *pToken) {
 825             if (shader_is_version_token(*pToken)) { /** version */
 826                 This->baseShader.hex_version = *pToken;
 827                 TRACE("%s_%u_%u\n", shader_is_pshader_version(This->baseShader.hex_version)? "ps": "vs",
 828                     WINED3DSHADER_VERSION_MAJOR(This->baseShader.hex_version),
 829                     WINED3DSHADER_VERSION_MINOR(This->baseShader.hex_version));
 830                 ++pToken;
 831                 ++len;
 832                 continue;
 833             }
 834             if (shader_is_comment(*pToken)) { /** comment */
 835                 DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 836                 ++pToken;
 837                 TRACE("//%s\n", (const char*)pToken);
 838                 pToken += comment_len;
 839                 len += comment_len + 1;
 840                 continue;
 841             }
 842             opcode_token = *pToken++;
 843             curOpcode = shader_get_opcode(iface, opcode_token);
 844             len++;
 845
 846             if (NULL == curOpcode) {
 847                 int tokens_read;
 848                 FIXME("Unrecognized opcode: token=%08x\n", opcode_token);
 849                 tokens_read = shader_skip_unrecognized(iface, pToken);
 850                 pToken += tokens_read;
 851                 len += tokens_read;
 852
 853             } else {
 854                 if (curOpcode->opcode == WINED3DSIO_DCL) {
 855
 856                     DWORD usage = *pToken;
 857                     DWORD param = *(pToken + 1);
 858
 859                     shader_dump_decl_usage(This, usage, param);
 860                     shader_dump_ins_modifiers(param);
 861                     TRACE(" ");
 862                     shader_dump_param(iface, param, 0, 0);
 863                     pToken += 2;
 864                     len += 2;
 865
 866                 } else if (curOpcode->opcode == WINED3DSIO_DEF) {
 867
 868                         unsigned int offset = shader_get_float_offset(*pToken);
 869
 870                         TRACE("def c%u = %f, %f, %f, %f", offset,
 871                             *(const float *)(pToken + 1),
 872                             *(const float *)(pToken + 2),
 873                             *(const float *)(pToken + 3),
 874                             *(const float *)(pToken + 4));
 875
 876                         pToken += 5;
 877                         len += 5;
 878                 } else if (curOpcode->opcode == WINED3DSIO_DEFI) {
 879
 880                         TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
 881                             *(pToken + 1),
 882                             *(pToken + 2),
 883                             *(pToken + 3),
 884                             *(pToken + 4));
 885
 886                         pToken += 5;
 887                         len += 5;
 888
 889                 } else if (curOpcode->opcode == WINED3DSIO_DEFB) {
 890
 891                         TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
 892                             *(pToken + 1)? "true": "false");
 893
 894                         pToken += 2;
 895                         len += 2;
 896
 897                 } else {
 898
 899                     DWORD param, addr_token;
 900                     int tokens_read;
 901
 902                     /* Print out predication source token first - it follows
 903                      * the destination token. */
 904                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 905                         TRACE("(");
 906                         shader_dump_param(iface, *(pToken + 2), 0, 1);
 907                         TRACE(") ");
 908                     }
 909
 910                     TRACE("%s", curOpcode->name);
 911
 912                     if (curOpcode->opcode == WINED3DSIO_IFC ||
 913                         curOpcode->opcode == WINED3DSIO_BREAKC) {
 914
 915                         DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
 916                         switch (op) {
 917                             case COMPARISON_GT: TRACE("_gt"); break;
 918                             case COMPARISON_EQ: TRACE("_eq"); break;
 919                             case COMPARISON_GE: TRACE("_ge"); break;
 920                             case COMPARISON_LT: TRACE("_lt"); break;
 921                             case COMPARISON_NE: TRACE("_ne"); break;
 922                             case COMPARISON_LE: TRACE("_le"); break;
 923                             default:
 924                                 TRACE("_(%u)", op);
 925                         }
 926                     }
 927
 928                     /* Destination token */
 929                     if (curOpcode->dst_token) {
 930
 931                         /* Destination token */
 932                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 933                         pToken += tokens_read;
 934                         len += tokens_read;
 935
 936                         shader_dump_ins_modifiers(param);
 937                         TRACE(" ");
 938                         shader_dump_param(iface, param, addr_token, 0);
 939                     }
 940
 941                     /* Predication token - already printed out, just skip it */
 942                     if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) {
 943                         pToken++;
 944                         len++;
 945                     }
 946
 947                     /* Other source tokens */
 948                     for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i) {
 949
 950                         tokens_read = shader_get_param(iface, pToken, &param, &addr_token);
 951                         pToken += tokens_read;
 952                         len += tokens_read;
 953
 954                         TRACE((i == 0)? " " : ", ");
 955                         shader_dump_param(iface, param, addr_token, 1);
 956                     }
 957                 }
 958                 TRACE("\n");
 959             }
 960         }
 961         This->baseShader.functionLength = (len + 1) * sizeof(DWORD);
 962     } else {
 963         This->baseShader.functionLength = 1; /* no Function defined use fixed function vertex processing */
 964     }
 965 }
 966
 967 void shader_delete_constant_list(
 968     struct list* clist) {
 969
 970     struct list *ptr;
 971     struct local_constant* constant;
 972
 973     ptr = list_head(clist);
 974     while (ptr) {
 975         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 976         ptr = list_next(clist, ptr);
 977         HeapFree(GetProcessHeap(), 0, constant);
 978     }
 979 }
 980
 981 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
 982 static void shader_none_select_depth_blt(IWineD3DDevice *iface) {}
 983 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
 984 static void shader_none_cleanup(BOOL usePS, BOOL useVS) {}
 985
 986 const shader_backend_t none_shader_backend = {
 987     &shader_none_select,
 988     &shader_none_select_depth_blt,
 989     &shader_none_load_constants,
 990     &shader_none_cleanup
 991 };