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  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; either
  14  * version 2.1 of the License, or (at your option) any later version.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  24  */
  25
  26 #include "config.h"
  27 #include <string.h>
  28 #include <stdio.h>
  29 #include "wined3d_private.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  32 WINE_DECLARE_DEBUG_CHANNEL(d3d);
  33
  34 #define GLNAME_REQUIRE_GLSL  ((const char *)1)
  35
  36 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version);
  37
  38 static inline BOOL shader_is_version_token(DWORD token) {
  39     return shader_is_pshader_version(token) ||
  40            shader_is_vshader_version(token);
  41 }
  42
  43 void shader_buffer_init(struct SHADER_BUFFER *buffer)
  44 {
  45     buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
  46     buffer->buffer[0] = '\0';
  47     buffer->bsize = 0;
  48     buffer->lineNo = 0;
  49     buffer->newline = TRUE;
  50 }
  51
  52 void shader_buffer_free(struct SHADER_BUFFER *buffer)
  53 {
  54     HeapFree(GetProcessHeap(), 0, buffer->buffer);
  55 }
  56
  57 int shader_addline(
  58     SHADER_BUFFER* buffer,
  59     const char *format, ...) {
  60
  61     char* base = buffer->buffer + buffer->bsize;
  62     int rc;
  63
  64     va_list args;
  65     va_start(args, format);
  66     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  67     va_end(args);
  68
  69     if (rc < 0 ||                                   /* C89 */
  70         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  71
  72         ERR("The buffer allocated for the shader program string "
  73             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  74         buffer->bsize = SHADER_PGMSIZE - 1;
  75         return -1;
  76     }
  77
  78     if (buffer->newline) {
  79         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
  80         buffer->newline = FALSE;
  81     } else {
  82         TRACE("%s", base);
  83     }
  84
  85     buffer->bsize += rc;
  86     if (buffer->buffer[buffer->bsize-1] == '\n') {
  87         buffer->lineNo++;
  88         buffer->newline = TRUE;
  89     }
  90     return 0;
  91 }
  92
  93 void shader_init(struct IWineD3DBaseShaderClass *shader,
  94         IWineD3DDevice *device, const SHADER_OPCODE *instruction_table)
  95 {
  96     shader->ref = 1;
  97     shader->device = device;
  98     shader->shader_ins = instruction_table;
  99     list_init(&shader->linked_programs);
 100 }
 101
 102 const SHADER_OPCODE *shader_get_opcode(const SHADER_OPCODE *opcode_table, DWORD shader_version, DWORD code)
 103 {
 104     DWORD i = 0;
 105
 106     /** TODO: use dichotomic search */
 107     while (opcode_table[i].name)
 108     {
 109         if ((code & WINED3DSI_OPCODE_MASK) == opcode_table[i].opcode
 110                 && shader_version >= opcode_table[i].min_version
 111                 && (!opcode_table[i].max_version || shader_version <= opcode_table[i].max_version))
 112         {
 113             return &opcode_table[i];
 114         }
 115         ++i;
 116     }
 117
 118     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
 119             code, code, code & WINED3DSI_OPCODE_MASK, shader_version);
 120
 121     return NULL;
 122 }
 123
 124 /* Read a parameter opcode from the input stream,
 125  * and possibly a relative addressing token.
 126  * Return the number of tokens read */
 127 static int shader_get_param(const DWORD *pToken, DWORD shader_version, DWORD *param, DWORD *addr_token)
 128 {
 129     /* PS >= 3.0 have relative addressing (with token)
 130      * VS >= 2.0 have relative addressing (with token)
 131      * VS >= 1.0 < 2.0 have relative addressing (without token)
 132      * The version check below should work in general */
 133
 134     char rel_token = WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2 &&
 135         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 136
 137     *param = *pToken;
 138     *addr_token = rel_token? *(pToken + 1): 0;
 139     return rel_token? 2:1;
 140 }
 141
 142 /* Return the number of parameters to skip for an opcode */
 143 static inline int shader_skip_opcode(const SHADER_OPCODE *curOpcode, DWORD opcode_token, DWORD shader_version)
 144 {
 145    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 146     * have a useful length mask - use it here. Shaders 1.0 contain no such tokens */
 147     return (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2)
 148             ? ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT) : curOpcode->num_params;
 149 }
 150
 151 /* Read the parameters of an unrecognized opcode from the input stream
 152  * Return the number of tokens read.
 153  *
 154  * Note: This function assumes source or destination token format.
 155  * It will not work with specially-formatted tokens like DEF or DCL,
 156  * but hopefully those would be recognized */
 157 static int shader_skip_unrecognized(const DWORD *pToken, DWORD shader_version)
 158 {
 159     int tokens_read = 0;
 160     int i = 0;
 161
 162     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 163     while (*pToken & 0x80000000) {
 164
 165         DWORD param, addr_token;
 166         tokens_read += shader_get_param(pToken, shader_version, &param, &addr_token);
 167         pToken += tokens_read;
 168
 169         FIXME("Unrecognized opcode param: token=0x%08x "
 170             "addr_token=0x%08x name=", param, addr_token);
 171         shader_dump_param(param, addr_token, i, shader_version);
 172         FIXME("\n");
 173         ++i;
 174     }
 175     return tokens_read;
 176 }
 177
 178 /* Convert floating point offset relative
 179  * to a register file to an absolute offset for float constants */
 180 static unsigned int shader_get_float_offset(const DWORD reg)
 181 {
 182      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 183      int regtype = shader_get_regtype(reg);
 184
 185      switch (regtype) {
 186         case WINED3DSPR_CONST: return regnum;
 187         case WINED3DSPR_CONST2: return 2048 + regnum;
 188         case WINED3DSPR_CONST3: return 4096 + regnum;
 189         case WINED3DSPR_CONST4: return 6144 + regnum;
 190         default:
 191             FIXME("Unsupported register type: %d\n", regtype);
 192             return regnum;
 193      }
 194 }
 195
 196 static void shader_delete_constant_list(struct list* clist) {
 197
 198     struct list *ptr;
 199     struct local_constant* constant;
 200
 201     ptr = list_head(clist);
 202     while (ptr) {
 203         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 204         ptr = list_next(clist, ptr);
 205         HeapFree(GetProcessHeap(), 0, constant);
 206     }
 207     list_init(clist);
 208 }
 209
 210 /* Note that this does not count the loop register
 211  * as an address register. */
 212
 213 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, struct shader_reg_maps *reg_maps,
 214         struct semantic *semantics_in, struct semantic *semantics_out, const DWORD *byte_code)
 215 {
 216     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 217     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
 218     DWORD shader_version;
 219     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 220     const DWORD* pToken = byte_code;
 221     char pshader;
 222
 223     /* There are some minor differences between pixel and vertex shaders */
 224
 225     memset(reg_maps->bumpmat, 0, sizeof(reg_maps->bumpmat));
 226     memset(reg_maps->luminanceparams, 0, sizeof(reg_maps->luminanceparams));
 227
 228     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 229      * in stacking up a collection of local constants. Delete the old constants if existing
 230      */
 231     shader_delete_constant_list(&This->baseShader.constantsF);
 232     shader_delete_constant_list(&This->baseShader.constantsB);
 233     shader_delete_constant_list(&This->baseShader.constantsI);
 234
 235     /* The version token is supposed to be the first token */
 236     if (!shader_is_version_token(*pToken))
 237     {
 238         FIXME("First token is not a version token, invalid shader.\n");
 239         return WINED3DERR_INVALIDCALL;
 240     }
 241     reg_maps->shader_version = shader_version = *pToken++;
 242     pshader = shader_is_pshader_version(shader_version);
 243
 244     while (WINED3DVS_END() != *pToken) {
 245         CONST SHADER_OPCODE* curOpcode;
 246         DWORD opcode_token;
 247
 248         /* Skip comments */
 249         if (shader_is_comment(*pToken))
 250         {
 251              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 252              ++pToken;
 253              pToken += comment_len;
 254              continue;
 255         }
 256
 257         /* Fetch opcode */
 258         opcode_token = *pToken++;
 259         curOpcode = shader_get_opcode(shader_ins, shader_version, opcode_token);
 260
 261         /* Unhandled opcode, and its parameters */
 262         if (NULL == curOpcode) {
 263            while (*pToken & 0x80000000)
 264                ++pToken;
 265
 266         /* Handle declarations */
 267         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 268
 269             DWORD usage = *pToken++;
 270             DWORD param = *pToken++;
 271             DWORD regtype = shader_get_regtype(param);
 272             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 273
 274             /* Vshader: mark attributes used
 275                Pshader: mark 3.0 input registers used, save token */
 276             if (WINED3DSPR_INPUT == regtype) {
 277
 278                 if (!pshader)
 279                     reg_maps->attributes[regnum] = 1;
 280                 else
 281                     reg_maps->packed_input[regnum] = 1;
 282
 283                 semantics_in[regnum].usage = usage;
 284                 semantics_in[regnum].reg = param;
 285
 286             /* Vshader: mark 3.0 output registers used, save token */
 287             } else if (WINED3DSPR_OUTPUT == regtype) {
 288                 reg_maps->packed_output[regnum] = 1;
 289                 semantics_out[regnum].usage = usage;
 290                 semantics_out[regnum].reg = param;
 291                 if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
 292                     reg_maps->fog = 1;
 293
 294             /* Save sampler usage token */
 295             } else if (WINED3DSPR_SAMPLER == regtype)
 296                 reg_maps->samplers[regnum] = usage;
 297
 298         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 299
 300             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 301             if (!lconst) return E_OUTOFMEMORY;
 302             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 303             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 304
 305             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 306             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1 && pshader)
 307             {
 308                 float *value = (float *) lconst->value;
 309                 if(value[0] < -1.0) value[0] = -1.0;
 310                 else if(value[0] >  1.0) value[0] =  1.0;
 311                 if(value[1] < -1.0) value[1] = -1.0;
 312                 else if(value[1] >  1.0) value[1] =  1.0;
 313                 if(value[2] < -1.0) value[2] = -1.0;
 314                 else if(value[2] >  1.0) value[2] =  1.0;
 315                 if(value[3] < -1.0) value[3] = -1.0;
 316                 else if(value[3] >  1.0) value[3] =  1.0;
 317             }
 318
 319             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 320             pToken += curOpcode->num_params;
 321
 322         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 323
 324             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 325             if (!lconst) return E_OUTOFMEMORY;
 326             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 327             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 328             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 329             pToken += curOpcode->num_params;
 330
 331         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 332
 333             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 334             if (!lconst) return E_OUTOFMEMORY;
 335             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 336             memcpy(lconst->value, pToken + 1, 1 * sizeof(DWORD));
 337             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 338             pToken += curOpcode->num_params;
 339
 340         /* If there's a loop in the shader */
 341         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 342                    WINED3DSIO_REP == curOpcode->opcode) {
 343             cur_loop_depth++;
 344             if(cur_loop_depth > max_loop_depth)
 345                 max_loop_depth = cur_loop_depth;
 346             pToken += curOpcode->num_params;
 347
 348             /* Rep and Loop always use an integer constant for the control parameters */
 349             This->baseShader.uses_int_consts = TRUE;
 350         } else if (WINED3DSIO_ENDLOOP == curOpcode->opcode ||
 351                    WINED3DSIO_ENDREP == curOpcode->opcode) {
 352             cur_loop_depth--;
 353
 354         /* For subroutine prototypes */
 355         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 356
 357             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 358             reg_maps->labels[snum] = 1;
 359             pToken += curOpcode->num_params;
 360
 361         /* Set texture, address, temporary registers */
 362         } else {
 363             int i, limit;
 364
 365             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 366             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1
 367                     && pshader /* Filter different instructions with the same enum values in VS */
 368                     && (WINED3DSIO_TEX == curOpcode->opcode
 369                         || WINED3DSIO_TEXBEM == curOpcode->opcode
 370                         || WINED3DSIO_TEXBEML == curOpcode->opcode
 371                         || WINED3DSIO_TEXDP3TEX == curOpcode->opcode
 372                         || WINED3DSIO_TEXM3x2TEX == curOpcode->opcode
 373                         || WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode
 374                         || WINED3DSIO_TEXM3x3TEX == curOpcode->opcode
 375                         || WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode
 376                         || WINED3DSIO_TEXREG2AR == curOpcode->opcode
 377                         || WINED3DSIO_TEXREG2GB == curOpcode->opcode
 378                         || WINED3DSIO_TEXREG2RGB == curOpcode->opcode))
 379             {
 380                 /* Fake sampler usage, only set reserved bit and ttype */
 381                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 382
 383                 TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 384                 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 385
 386                 /* texbem is only valid with < 1.4 pixel shaders */
 387                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 388                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 389                     reg_maps->bumpmat[sampler_code] = TRUE;
 390                     if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 391                         reg_maps->luminanceparams[sampler_code] = TRUE;
 392                     }
 393                 }
 394             }
 395             if(WINED3DSIO_NRM  == curOpcode->opcode) {
 396                 reg_maps->usesnrm = 1;
 397             } else if(WINED3DSIO_BEM == curOpcode->opcode && pshader) {
 398                 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 399                 reg_maps->bumpmat[regnum] = TRUE;
 400             } else if(WINED3DSIO_DSY  == curOpcode->opcode) {
 401                 reg_maps->usesdsy = 1;
 402             }
 403
 404             /* This will loop over all the registers and try to
 405              * make a bitmask of the ones we're interested in.
 406              *
 407              * Relative addressing tokens are ignored, but that's
 408              * okay, since we'll catch any address registers when
 409              * they are initialized (required by spec) */
 410
 411             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 412                 curOpcode->num_params + 1: curOpcode->num_params;
 413
 414             for (i = 0; i < limit; ++i) {
 415
 416                 DWORD param, addr_token, reg, regtype;
 417                 pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 418
 419                 regtype = shader_get_regtype(param);
 420                 reg = param & WINED3DSP_REGNUM_MASK;
 421
 422                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 423
 424                     if (pshader)
 425                         reg_maps->texcoord[reg] = 1;
 426                     else
 427                         reg_maps->address[reg] = 1;
 428                 }
 429
 430                 else if (WINED3DSPR_TEMP == regtype)
 431                     reg_maps->temporary[reg] = 1;
 432
 433                 else if (WINED3DSPR_INPUT == regtype) {
 434                     if( !pshader)
 435                         reg_maps->attributes[reg] = 1;
 436                     else {
 437                         if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 438                             /* If relative addressing is used, we must assume that all registers
 439                              * are used. Even if it is a construct like v3[aL], we can't assume
 440                              * that v0, v1 and v2 aren't read because aL can be negative
 441                              */
 442                             unsigned int i;
 443                             for(i = 0; i < MAX_REG_INPUT; i++) {
 444                                 ((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
 445                             }
 446                         } else {
 447                             ((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
 448                         }
 449                     }
 450                 }
 451
 452                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 453                     reg_maps->fog = 1;
 454
 455                 else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
 456                     reg_maps->vpos = 1;
 457
 458                 else if(WINED3DSPR_CONST == regtype) {
 459                     if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 460                         if(!pshader) {
 461                             if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
 462                                 ((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
 463                             } else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
 464                                 ((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
 465                             }
 466                         }
 467                         reg_maps->usesrelconstF = TRUE;
 468                     }
 469                 }
 470                 else if(WINED3DSPR_CONSTINT == regtype) {
 471                     This->baseShader.uses_int_consts = TRUE;
 472                 }
 473                 else if(WINED3DSPR_CONSTBOOL == regtype) {
 474                     This->baseShader.uses_bool_consts = TRUE;
 475                 }
 476
 477                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and is used
 478                  * in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel shaders because TECRDOUT
 479                  * isn't used in them, but future register types might cause issues
 480                  */
 481                 else if (WINED3DSPR_TEXCRDOUT == regtype && i == 0 /* Only look at writes */
 482                         && !pshader && WINED3DSHADER_VERSION_MAJOR(shader_version) < 3)
 483                 {
 484                     reg_maps->texcoord_mask[reg] |= shader_get_writemask(param);
 485                 }
 486             }
 487         }
 488     }
 489     ++pToken;
 490     reg_maps->loop_depth = max_loop_depth;
 491
 492     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 493
 494     return WINED3D_OK;
 495 }
 496
 497 static void shader_dump_decl_usage(DWORD decl, DWORD param, DWORD shader_version)
 498 {
 499     DWORD regtype = shader_get_regtype(param);
 500
 501     TRACE("dcl");
 502
 503     if (regtype == WINED3DSPR_SAMPLER) {
 504         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 505
 506         switch (ttype) {
 507             case WINED3DSTT_2D: TRACE("_2d"); break;
 508             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 509             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 510             default: TRACE("_unknown_ttype(0x%08x)", ttype);
 511        }
 512
 513     } else {
 514
 515         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 516         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 517
 518         /* Pixel shaders 3.0 don't have usage semantics */
 519         if (shader_is_pshader_version(shader_version) && shader_version < WINED3DPS_VERSION(3,0))
 520             return;
 521         else
 522             TRACE("_");
 523
 524         switch(usage) {
 525         case WINED3DDECLUSAGE_POSITION:
 526             TRACE("position%d", idx);
 527             break;
 528         case WINED3DDECLUSAGE_BLENDINDICES:
 529             TRACE("blend");
 530             break;
 531         case WINED3DDECLUSAGE_BLENDWEIGHT:
 532             TRACE("weight");
 533             break;
 534         case WINED3DDECLUSAGE_NORMAL:
 535             TRACE("normal%d", idx);
 536             break;
 537         case WINED3DDECLUSAGE_PSIZE:
 538             TRACE("psize");
 539             break;
 540         case WINED3DDECLUSAGE_COLOR:
 541             if(idx == 0)  {
 542                 TRACE("color");
 543             } else {
 544                 TRACE("specular%d", (idx - 1));
 545             }
 546             break;
 547         case WINED3DDECLUSAGE_TEXCOORD:
 548             TRACE("texture%d", idx);
 549             break;
 550         case WINED3DDECLUSAGE_TANGENT:
 551             TRACE("tangent");
 552             break;
 553         case WINED3DDECLUSAGE_BINORMAL:
 554             TRACE("binormal");
 555             break;
 556         case WINED3DDECLUSAGE_TESSFACTOR:
 557             TRACE("tessfactor");
 558             break;
 559         case WINED3DDECLUSAGE_POSITIONT:
 560             TRACE("positionT%d", idx);
 561             break;
 562         case WINED3DDECLUSAGE_FOG:
 563             TRACE("fog");
 564             break;
 565         case WINED3DDECLUSAGE_DEPTH:
 566             TRACE("depth");
 567             break;
 568         case WINED3DDECLUSAGE_SAMPLE:
 569             TRACE("sample");
 570             break;
 571         default:
 572             FIXME("unknown_semantics(0x%08x)", usage);
 573         }
 574     }
 575 }
 576
 577 static void shader_dump_arr_entry(const DWORD param, const DWORD addr_token,
 578         unsigned int reg, int input, DWORD shader_version)
 579 {
 580     char relative =
 581         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 582
 583     if (relative) {
 584         TRACE("[");
 585         if (addr_token)
 586             shader_dump_param(addr_token, 0, input, shader_version);
 587         else
 588             TRACE("a0.x");
 589         TRACE(" + ");
 590      }
 591      TRACE("%u", reg);
 592      if (relative)
 593          TRACE("]");
 594 }
 595
 596 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version)
 597 {
 598     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 599     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 600     const char *swizzle_reg_chars = "xyzw";
 601
 602     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 603     DWORD regtype = shader_get_regtype(param);
 604     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 605
 606     /* There are some minor differences between pixel and vertex shaders */
 607     char pshader = shader_is_pshader_version(shader_version);
 608
 609     if (input) {
 610         if ( (modifier == WINED3DSPSM_NEG) ||
 611              (modifier == WINED3DSPSM_BIASNEG) ||
 612              (modifier == WINED3DSPSM_SIGNNEG) ||
 613              (modifier == WINED3DSPSM_X2NEG) ||
 614              (modifier == WINED3DSPSM_ABSNEG) )
 615             TRACE("-");
 616         else if (modifier == WINED3DSPSM_COMP)
 617             TRACE("1-");
 618         else if (modifier == WINED3DSPSM_NOT)
 619             TRACE("!");
 620
 621         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 622             TRACE("abs(");
 623     }
 624
 625     switch (regtype) {
 626         case WINED3DSPR_TEMP:
 627             TRACE("r%u", reg);
 628             break;
 629         case WINED3DSPR_INPUT:
 630             TRACE("v");
 631             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 632             break;
 633         case WINED3DSPR_CONST:
 634         case WINED3DSPR_CONST2:
 635         case WINED3DSPR_CONST3:
 636         case WINED3DSPR_CONST4:
 637             TRACE("c");
 638             shader_dump_arr_entry(param, addr_token, shader_get_float_offset(param), input, shader_version);
 639             break;
 640         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 641             TRACE("%c%u", (pshader? 't':'a'), reg);
 642             break;
 643         case WINED3DSPR_RASTOUT:
 644             TRACE("%s", rastout_reg_names[reg]);
 645             break;
 646         case WINED3DSPR_COLOROUT:
 647             TRACE("oC%u", reg);
 648             break;
 649         case WINED3DSPR_DEPTHOUT:
 650             TRACE("oDepth");
 651             break;
 652         case WINED3DSPR_ATTROUT:
 653             TRACE("oD%u", reg);
 654             break;
 655         case WINED3DSPR_TEXCRDOUT:
 656
 657             /* Vertex shaders >= 3.0 use general purpose output registers
 658              * (WINED3DSPR_OUTPUT), which can include an address token */
 659
 660             if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) {
 661                 TRACE("o");
 662                 shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 663             }
 664             else
 665                TRACE("oT%u", reg);
 666             break;
 667         case WINED3DSPR_CONSTINT:
 668             TRACE("i");
 669             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 670             break;
 671         case WINED3DSPR_CONSTBOOL:
 672             TRACE("b");
 673             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 674             break;
 675         case WINED3DSPR_LABEL:
 676             TRACE("l%u", reg);
 677             break;
 678         case WINED3DSPR_LOOP:
 679             TRACE("aL");
 680             break;
 681         case WINED3DSPR_SAMPLER:
 682             TRACE("s%u", reg);
 683             break;
 684         case WINED3DSPR_MISCTYPE:
 685             if (reg > 1) {
 686                 FIXME("Unhandled misctype register %d\n", reg);
 687             } else {
 688                 TRACE("%s", misctype_reg_names[reg]);
 689             }
 690             break;
 691         case WINED3DSPR_PREDICATE:
 692             TRACE("p%u", reg);
 693             break;
 694         default:
 695             TRACE("unhandled_rtype(%#x)", regtype);
 696             break;
 697    }
 698
 699    if (!input) {
 700        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 701
 702        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 703            TRACE(".");
 704            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 705            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 706            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 707            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 708        }
 709
 710    } else {
 711         /** operand input */
 712         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 713         DWORD swizzle_x = swizzle & 0x03;
 714         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 715         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 716         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 717
 718         if (0 != modifier) {
 719             switch (modifier) {
 720                 case WINED3DSPSM_NONE:    break;
 721                 case WINED3DSPSM_NEG:     break;
 722                 case WINED3DSPSM_NOT:     break;
 723                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 724                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 725                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 726                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 727                 case WINED3DSPSM_COMP:    break;
 728                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 729                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 730                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 731                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 732                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 733                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 734                 default:
 735                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 736             }
 737         }
 738
 739         /**
 740         * swizzle bits fields:
 741         *  RRGGBBAA
 742         */
 743         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 744             if (swizzle_x == swizzle_y &&
 745                 swizzle_x == swizzle_z &&
 746                 swizzle_x == swizzle_w) {
 747                     TRACE(".%c", swizzle_reg_chars[swizzle_x]);
 748             } else {
 749                 TRACE(".%c%c%c%c",
 750                 swizzle_reg_chars[swizzle_x],
 751                 swizzle_reg_chars[swizzle_y],
 752                 swizzle_reg_chars[swizzle_z],
 753                 swizzle_reg_chars[swizzle_w]);
 754             }
 755         }
 756     }
 757 }
 758
 759 static void shader_color_correction(IWineD3DBaseShaderImpl *shader,
 760         IWineD3DDeviceImpl *device, const struct SHADER_OPCODE_ARG *arg, DWORD shader_version)
 761 {
 762     IWineD3DBaseTextureImpl *texture;
 763     struct color_fixup_desc fixup;
 764     BOOL recorded = FALSE;
 765     DWORD sampler_idx;
 766     UINT i;
 767
 768     switch(arg->opcode->opcode)
 769     {
 770         case WINED3DSIO_TEX:
 771             if (WINED3DSHADER_VERSION_MAJOR(shader_version) < 2) sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
 772             else sampler_idx = arg->src[1] & WINED3DSP_REGNUM_MASK;
 773             break;
 774
 775         case WINED3DSIO_TEXLDL:
 776             FIXME("Add color fixup for vertex texture WINED3DSIO_TEXLDL\n");
 777             return;
 778
 779         case WINED3DSIO_TEXDP3TEX:
 780         case WINED3DSIO_TEXM3x3TEX:
 781         case WINED3DSIO_TEXM3x3SPEC:
 782         case WINED3DSIO_TEXM3x3VSPEC:
 783         case WINED3DSIO_TEXBEM:
 784         case WINED3DSIO_TEXREG2AR:
 785         case WINED3DSIO_TEXREG2GB:
 786         case WINED3DSIO_TEXREG2RGB:
 787             sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
 788             break;
 789
 790         default:
 791             /* Not a texture sampling instruction, nothing to do */
 792             return;
 793     };
 794
 795     texture = (IWineD3DBaseTextureImpl *)device->stateBlock->textures[sampler_idx];
 796     if (texture) fixup = texture->baseTexture.shader_color_fixup;
 797     else fixup = COLOR_FIXUP_IDENTITY;
 798
 799     /* before doing anything, record the sampler with the format in the format conversion list,
 800      * but check if it's not there already */
 801     for (i = 0; i < shader->baseShader.num_sampled_samplers; ++i)
 802     {
 803         if (shader->baseShader.sampled_samplers[i] == sampler_idx)
 804         {
 805             recorded = TRUE;
 806             break;
 807         }
 808     }
 809
 810     if (!recorded)
 811     {
 812         shader->baseShader.sampled_samplers[shader->baseShader.num_sampled_samplers] = sampler_idx;
 813         ++shader->baseShader.num_sampled_samplers;
 814     }
 815
 816     device->shader_backend->shader_color_correction(arg, fixup);
 817 }
 818
 819 /* Shared code in order to generate the bulk of the shader string.
 820  * NOTE: A description of how to parse tokens can be found on msdn */
 821 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
 822         const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
 823 {
 824     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 825     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 826     const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
 827     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 828     DWORD shader_version = reg_maps->shader_version;
 829     const DWORD *pToken = pFunction;
 830     const SHADER_OPCODE *curOpcode;
 831     SHADER_HANDLER hw_fct;
 832     DWORD i;
 833     SHADER_OPCODE_ARG hw_arg;
 834
 835     /* Initialize current parsing state */
 836     hw_arg.shader = iface;
 837     hw_arg.buffer = buffer;
 838     hw_arg.reg_maps = reg_maps;
 839     This->baseShader.parse_state.current_row = 0;
 840
 841     while (WINED3DPS_END() != *pToken)
 842     {
 843         /* Skip version token */
 844         if (shader_is_version_token(*pToken))
 845         {
 846             ++pToken;
 847             continue;
 848         }
 849
 850         /* Skip comment tokens */
 851         if (shader_is_comment(*pToken))
 852         {
 853             pToken += (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 854             ++pToken;
 855             continue;
 856         }
 857
 858         /* Read opcode */
 859         hw_arg.opcode_token = *pToken++;
 860         curOpcode = shader_get_opcode(opcode_table, shader_version, hw_arg.opcode_token);
 861
 862         /* Unknown opcode and its parameters */
 863         if (!curOpcode)
 864         {
 865             FIXME("Unrecognized opcode: token=0x%08x\n", hw_arg.opcode_token);
 866             pToken += shader_skip_unrecognized(pToken, shader_version);
 867             continue;
 868         }
 869
 870         /* Nothing to do */
 871         if (WINED3DSIO_DCL == curOpcode->opcode
 872                 || WINED3DSIO_NOP == curOpcode->opcode
 873                 || WINED3DSIO_DEF == curOpcode->opcode
 874                 || WINED3DSIO_DEFI == curOpcode->opcode
 875                 || WINED3DSIO_DEFB == curOpcode->opcode
 876                 || WINED3DSIO_PHASE == curOpcode->opcode
 877                 || WINED3DSIO_RET == curOpcode->opcode)
 878         {
 879             pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
 880             continue;
 881         }
 882
 883         /* Select handler */
 884         hw_fct = handler_table[curOpcode->handler_idx];
 885
 886         /* Unhandled opcode */
 887         if (!hw_fct)
 888         {
 889             FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 890             pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
 891             continue;
 892         }
 893
 894         hw_arg.opcode = curOpcode;
 895
 896         /* Destination token */
 897         if (curOpcode->dst_token)
 898         {
 899             DWORD param, addr_token = 0;
 900             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 901             hw_arg.dst = param;
 902             hw_arg.dst_addr = addr_token;
 903         }
 904
 905         /* Predication token */
 906         if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) hw_arg.predicate = *pToken++;
 907
 908         /* Other source tokens */
 909         for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); ++i)
 910         {
 911             DWORD param, addr_token = 0;
 912             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 913             hw_arg.src[i] = param;
 914             hw_arg.src_addr[i] = addr_token;
 915         }
 916
 917         /* Call appropriate function for output target */
 918         hw_fct(&hw_arg);
 919
 920         /* Add color correction if needed */
 921         shader_color_correction(This, device, &hw_arg, shader_version);
 922
 923         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 924         /* FIXME: This should be internal to the shader backend.
 925          * Also, right now this is the only reason "shader_mode" exists. */
 926         if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&hw_arg);
 927     }
 928 }
 929
 930 static void shader_dump_ins_modifiers(const DWORD output)
 931 {
 932     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 933     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 934
 935     switch (shift) {
 936         case 0: break;
 937         case 13: TRACE("_d8"); break;
 938         case 14: TRACE("_d4"); break;
 939         case 15: TRACE("_d2"); break;
 940         case 1: TRACE("_x2"); break;
 941         case 2: TRACE("_x4"); break;
 942         case 3: TRACE("_x8"); break;
 943         default: TRACE("_unhandled_shift(%d)", shift); break;
 944     }
 945
 946     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 947     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 948     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 949
 950     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 951     if (mmask)
 952         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 953 }
 954
 955 void shader_trace_init(const DWORD *pFunction, const SHADER_OPCODE *opcode_table)
 956 {
 957     const DWORD* pToken = pFunction;
 958     const SHADER_OPCODE* curOpcode = NULL;
 959     DWORD shader_version;
 960     DWORD opcode_token;
 961     DWORD i;
 962
 963     TRACE("Parsing %p\n", pFunction);
 964
 965     /* The version token is supposed to be the first token */
 966     if (!shader_is_version_token(*pToken))
 967     {
 968         FIXME("First token is not a version token, invalid shader.\n");
 969         return;
 970     }
 971     shader_version = *pToken++;
 972     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version) ? "ps": "vs",
 973             WINED3DSHADER_VERSION_MAJOR(shader_version), WINED3DSHADER_VERSION_MINOR(shader_version));
 974
 975     while (WINED3DVS_END() != *pToken)
 976     {
 977         if (shader_is_comment(*pToken)) /* comment */
 978         {
 979             DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 980             ++pToken;
 981             TRACE("//%s\n", (const char*)pToken);
 982             pToken += comment_len;
 983             continue;
 984         }
 985         opcode_token = *pToken++;
 986         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
 987
 988         if (!curOpcode)
 989         {
 990             int tokens_read;
 991             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
 992             tokens_read = shader_skip_unrecognized(pToken, shader_version);
 993             pToken += tokens_read;
 994         }
 995         else
 996         {
 997             if (curOpcode->opcode == WINED3DSIO_DCL)
 998             {
 999                 DWORD usage = *pToken;
1000                 DWORD param = *(pToken + 1);
1001
1002                 shader_dump_decl_usage(usage, param, shader_version);
1003                 shader_dump_ins_modifiers(param);
1004                 TRACE(" ");
1005                 shader_dump_param(param, 0, 0, shader_version);
1006                 pToken += 2;
1007             }
1008             else if (curOpcode->opcode == WINED3DSIO_DEF)
1009             {
1010                 unsigned int offset = shader_get_float_offset(*pToken);
1011
1012                 TRACE("def c%u = %f, %f, %f, %f", offset,
1013                         *(const float *)(pToken + 1),
1014                         *(const float *)(pToken + 2),
1015                         *(const float *)(pToken + 3),
1016                         *(const float *)(pToken + 4));
1017                 pToken += 5;
1018             }
1019             else if (curOpcode->opcode == WINED3DSIO_DEFI)
1020             {
1021                 TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
1022                         *(pToken + 1),
1023                         *(pToken + 2),
1024                         *(pToken + 3),
1025                         *(pToken + 4));
1026                 pToken += 5;
1027             }
1028             else if (curOpcode->opcode == WINED3DSIO_DEFB)
1029             {
1030                 TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
1031                         *(pToken + 1)? "true": "false");
1032                 pToken += 2;
1033             }
1034             else
1035             {
1036                 DWORD param, addr_token;
1037                 int tokens_read;
1038
1039                 /* Print out predication source token first - it follows
1040                  * the destination token. */
1041                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1042                 {
1043                     TRACE("(");
1044                     shader_dump_param(*(pToken + 2), 0, 1, shader_version);
1045                     TRACE(") ");
1046                 }
1047                 if (opcode_token & WINED3DSI_COISSUE)
1048                 {
1049                     /* PixWin marks instructions with the coissue flag with a '+' */
1050                     TRACE("+");
1051                 }
1052
1053                 TRACE("%s", curOpcode->name);
1054
1055                 if (curOpcode->opcode == WINED3DSIO_IFC
1056                         || curOpcode->opcode == WINED3DSIO_BREAKC)
1057                 {
1058                     DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1059
1060                     switch (op)
1061                     {
1062                         case COMPARISON_GT: TRACE("_gt"); break;
1063                         case COMPARISON_EQ: TRACE("_eq"); break;
1064                         case COMPARISON_GE: TRACE("_ge"); break;
1065                         case COMPARISON_LT: TRACE("_lt"); break;
1066                         case COMPARISON_NE: TRACE("_ne"); break;
1067                         case COMPARISON_LE: TRACE("_le"); break;
1068                         default: TRACE("_(%u)", op);
1069                     }
1070                 }
1071                 else if (curOpcode->opcode == WINED3DSIO_TEX
1072                         && shader_version >= WINED3DPS_VERSION(2,0)
1073                         && (opcode_token & WINED3DSI_TEXLD_PROJECT))
1074                 {
1075                     TRACE("p");
1076                 }
1077
1078                 /* Destination token */
1079                 if (curOpcode->dst_token)
1080                 {
1081                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1082                     pToken += tokens_read;
1083
1084                     shader_dump_ins_modifiers(param);
1085                     TRACE(" ");
1086                     shader_dump_param(param, addr_token, 0, shader_version);
1087                 }
1088
1089                 /* Predication token - already printed out, just skip it */
1090                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1091                 {
1092                     pToken++;
1093                 }
1094
1095                 /* Other source tokens */
1096                 for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i)
1097                 {
1098                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1099                     pToken += tokens_read;
1100
1101                     TRACE((i == 0)? " " : ", ");
1102                     shader_dump_param(param, addr_token, 1, shader_version);
1103                 }
1104             }
1105             TRACE("\n");
1106         }
1107     }
1108 }
1109
1110 void shader_cleanup(IWineD3DBaseShader *iface)
1111 {
1112     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1113
1114     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1115     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1116     shader_delete_constant_list(&This->baseShader.constantsF);
1117     shader_delete_constant_list(&This->baseShader.constantsB);
1118     shader_delete_constant_list(&This->baseShader.constantsI);
1119     list_remove(&This->baseShader.shader_list_entry);
1120 }
1121
1122 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1123 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1124 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1125 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1126 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1127 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1128 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1129 static void shader_none_color_correction(const struct SHADER_OPCODE_ARG *arg, struct color_fixup_desc fixup) {}
1130 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1131 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1132 static void shader_none_free(IWineD3DDevice *iface) {}
1133 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1134 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface, SHADER_BUFFER *buffer, const struct ps_compile_args *args) {
1135     FIXME("NONE shader backend asked to generate a pixel shader\n");
1136     return 0;
1137 }
1138 static void shader_none_generate_vshader(IWineD3DVertexShader *iface, SHADER_BUFFER *buffer) {
1139     FIXME("NONE shader backend asked to generate a vertex shader\n");
1140 }
1141
1142 #define GLINFO_LOCATION      (*gl_info)
1143 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1144 {
1145     /* Set the shader caps to 0 for the none shader backend */
1146     pCaps->VertexShaderVersion  = 0;
1147     pCaps->PixelShaderVersion    = 0;
1148     pCaps->PixelShader1xMaxValue = 0.0;
1149 }
1150 #undef GLINFO_LOCATION
1151 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1152 {
1153     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1154     {
1155         TRACE("Checking support for fixup:\n");
1156         dump_color_fixup_desc(fixup);
1157     }
1158
1159     /* Faked to make some apps happy. */
1160     if (!is_yuv_fixup(fixup))
1161     {
1162         TRACE("[OK]\n");
1163         return TRUE;
1164     }
1165
1166     TRACE("[FAILED]\n");
1167     return FALSE;
1168 }
1169
1170 const shader_backend_t none_shader_backend = {
1171     shader_none_instruction_handler_table,
1172     shader_none_select,
1173     shader_none_select_depth_blt,
1174     shader_none_deselect_depth_blt,
1175     shader_none_update_float_vertex_constants,
1176     shader_none_update_float_pixel_constants,
1177     shader_none_load_constants,
1178     shader_none_color_correction,
1179     shader_none_destroy,
1180     shader_none_alloc,
1181     shader_none_free,
1182     shader_none_dirty_const,
1183     shader_none_generate_pshader,
1184     shader_none_generate_vshader,
1185     shader_none_get_caps,
1186     shader_none_color_fixup_supported,
1187 };