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  * 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 const SHADER_OPCODE *shader_get_opcode(const SHADER_OPCODE *opcode_table, DWORD shader_version, DWORD code)
  94 {
  95     DWORD i = 0;
  96
  97     /** TODO: use dichotomic search */
  98     while (opcode_table[i].name)
  99     {
 100         if ((code & WINED3DSI_OPCODE_MASK) == opcode_table[i].opcode
 101                 && shader_version >= opcode_table[i].min_version
 102                 && (!opcode_table[i].max_version || shader_version <= opcode_table[i].max_version))
 103         {
 104             return &opcode_table[i];
 105         }
 106         ++i;
 107     }
 108
 109     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
 110             code, code, code & WINED3DSI_OPCODE_MASK, shader_version);
 111
 112     return NULL;
 113 }
 114
 115 /* Read a parameter opcode from the input stream,
 116  * and possibly a relative addressing token.
 117  * Return the number of tokens read */
 118 static int shader_get_param(const DWORD *pToken, DWORD shader_version, DWORD *param, DWORD *addr_token)
 119 {
 120     /* PS >= 3.0 have relative addressing (with token)
 121      * VS >= 2.0 have relative addressing (with token)
 122      * VS >= 1.0 < 2.0 have relative addressing (without token)
 123      * The version check below should work in general */
 124
 125     char rel_token = WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2 &&
 126         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 127
 128     *param = *pToken;
 129     *addr_token = rel_token? *(pToken + 1): 0;
 130     return rel_token? 2:1;
 131 }
 132
 133 /* Return the number of parameters to skip for an opcode */
 134 static inline int shader_skip_opcode(const SHADER_OPCODE *curOpcode, DWORD opcode_token, DWORD shader_version)
 135 {
 136    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 137     * have a useful length mask - use it here. Shaders 1.0 contain no such tokens */
 138     return (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2)
 139             ? ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT) : curOpcode->num_params;
 140 }
 141
 142 /* Read the parameters of an unrecognized opcode from the input stream
 143  * Return the number of tokens read.
 144  *
 145  * Note: This function assumes source or destination token format.
 146  * It will not work with specially-formatted tokens like DEF or DCL,
 147  * but hopefully those would be recognized */
 148 static int shader_skip_unrecognized(const DWORD *pToken, DWORD shader_version)
 149 {
 150     int tokens_read = 0;
 151     int i = 0;
 152
 153     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 154     while (*pToken & 0x80000000) {
 155
 156         DWORD param, addr_token;
 157         tokens_read += shader_get_param(pToken, shader_version, &param, &addr_token);
 158         pToken += tokens_read;
 159
 160         FIXME("Unrecognized opcode param: token=0x%08x "
 161             "addr_token=0x%08x name=", param, addr_token);
 162         shader_dump_param(param, addr_token, i, shader_version);
 163         FIXME("\n");
 164         ++i;
 165     }
 166     return tokens_read;
 167 }
 168
 169 /* Convert floating point offset relative
 170  * to a register file to an absolute offset for float constants */
 171 static unsigned int shader_get_float_offset(const DWORD reg)
 172 {
 173      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 174      int regtype = shader_get_regtype(reg);
 175
 176      switch (regtype) {
 177         case WINED3DSPR_CONST: return regnum;
 178         case WINED3DSPR_CONST2: return 2048 + regnum;
 179         case WINED3DSPR_CONST3: return 4096 + regnum;
 180         case WINED3DSPR_CONST4: return 6144 + regnum;
 181         default:
 182             FIXME("Unsupported register type: %d\n", regtype);
 183             return regnum;
 184      }
 185 }
 186
 187 static void shader_delete_constant_list(struct list* clist) {
 188
 189     struct list *ptr;
 190     struct local_constant* constant;
 191
 192     ptr = list_head(clist);
 193     while (ptr) {
 194         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 195         ptr = list_next(clist, ptr);
 196         HeapFree(GetProcessHeap(), 0, constant);
 197     }
 198     list_init(clist);
 199 }
 200
 201 /* Note that this does not count the loop register
 202  * as an address register. */
 203
 204 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, struct shader_reg_maps *reg_maps,
 205         struct semantic *semantics_in, struct semantic *semantics_out, const DWORD *byte_code)
 206 {
 207     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 208     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
 209     DWORD shader_version;
 210     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 211     const DWORD* pToken = byte_code;
 212     char pshader;
 213
 214     /* There are some minor differences between pixel and vertex shaders */
 215
 216     memset(reg_maps->bumpmat, 0, sizeof(reg_maps->bumpmat));
 217     memset(reg_maps->luminanceparams, 0, sizeof(reg_maps->luminanceparams));
 218
 219     if (!pToken)
 220     {
 221         WARN("Got a NULL pFunction, returning.\n");
 222         This->baseShader.functionLength = 0;
 223         return WINED3D_OK;
 224     }
 225
 226     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 227      * in stacking up a collection of local constants. Delete the old constants if existing
 228      */
 229     shader_delete_constant_list(&This->baseShader.constantsF);
 230     shader_delete_constant_list(&This->baseShader.constantsB);
 231     shader_delete_constant_list(&This->baseShader.constantsI);
 232
 233     /* The version token is supposed to be the first token */
 234     if (!shader_is_version_token(*pToken))
 235     {
 236         FIXME("First token is not a version token, invalid shader.\n");
 237         return WINED3DERR_INVALIDCALL;
 238     }
 239     reg_maps->shader_version = shader_version = *pToken++;
 240     pshader = shader_is_pshader_version(shader_version);
 241
 242     while (WINED3DVS_END() != *pToken) {
 243         CONST SHADER_OPCODE* curOpcode;
 244         DWORD opcode_token;
 245
 246         /* Skip comments */
 247         if (shader_is_comment(*pToken))
 248         {
 249              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 250              ++pToken;
 251              pToken += comment_len;
 252              continue;
 253         }
 254
 255         /* Fetch opcode */
 256         opcode_token = *pToken++;
 257         curOpcode = shader_get_opcode(shader_ins, shader_version, opcode_token);
 258
 259         /* Unhandled opcode, and its parameters */
 260         if (NULL == curOpcode) {
 261            while (*pToken & 0x80000000)
 262                ++pToken;
 263
 264         /* Handle declarations */
 265         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 266
 267             DWORD usage = *pToken++;
 268             DWORD param = *pToken++;
 269             DWORD regtype = shader_get_regtype(param);
 270             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 271
 272             /* Vshader: mark attributes used
 273                Pshader: mark 3.0 input registers used, save token */
 274             if (WINED3DSPR_INPUT == regtype) {
 275
 276                 if (!pshader)
 277                     reg_maps->attributes[regnum] = 1;
 278                 else
 279                     reg_maps->packed_input[regnum] = 1;
 280
 281                 semantics_in[regnum].usage = usage;
 282                 semantics_in[regnum].reg = param;
 283
 284             /* Vshader: mark 3.0 output registers used, save token */
 285             } else if (WINED3DSPR_OUTPUT == regtype) {
 286                 reg_maps->packed_output[regnum] = 1;
 287                 semantics_out[regnum].usage = usage;
 288                 semantics_out[regnum].reg = param;
 289                 if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
 290                     reg_maps->fog = 1;
 291
 292             /* Save sampler usage token */
 293             } else if (WINED3DSPR_SAMPLER == regtype)
 294                 reg_maps->samplers[regnum] = usage;
 295
 296         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 297
 298             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 299             if (!lconst) return E_OUTOFMEMORY;
 300             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 301             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 302
 303             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 304             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1 && pshader)
 305             {
 306                 float *value = (float *) lconst->value;
 307                 if(value[0] < -1.0) value[0] = -1.0;
 308                 else if(value[0] >  1.0) value[0] =  1.0;
 309                 if(value[1] < -1.0) value[1] = -1.0;
 310                 else if(value[1] >  1.0) value[1] =  1.0;
 311                 if(value[2] < -1.0) value[2] = -1.0;
 312                 else if(value[2] >  1.0) value[2] =  1.0;
 313                 if(value[3] < -1.0) value[3] = -1.0;
 314                 else if(value[3] >  1.0) value[3] =  1.0;
 315             }
 316
 317             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 318             pToken += curOpcode->num_params;
 319
 320         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 321
 322             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 323             if (!lconst) return E_OUTOFMEMORY;
 324             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 325             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 326             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 327             pToken += curOpcode->num_params;
 328
 329         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 330
 331             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 332             if (!lconst) return E_OUTOFMEMORY;
 333             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 334             memcpy(lconst->value, pToken + 1, 1 * sizeof(DWORD));
 335             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 336             pToken += curOpcode->num_params;
 337
 338         /* If there's a loop in the shader */
 339         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 340                    WINED3DSIO_REP == curOpcode->opcode) {
 341             cur_loop_depth++;
 342             if(cur_loop_depth > max_loop_depth)
 343                 max_loop_depth = cur_loop_depth;
 344             pToken += curOpcode->num_params;
 345
 346             /* Rep and Loop always use an integer constant for the control parameters */
 347             This->baseShader.uses_int_consts = TRUE;
 348         } else if (WINED3DSIO_ENDLOOP == curOpcode->opcode ||
 349                    WINED3DSIO_ENDREP == curOpcode->opcode) {
 350             cur_loop_depth--;
 351
 352         /* For subroutine prototypes */
 353         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 354
 355             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 356             reg_maps->labels[snum] = 1;
 357             pToken += curOpcode->num_params;
 358
 359         /* Set texture, address, temporary registers */
 360         } else {
 361             int i, limit;
 362
 363             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 364             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1
 365                     && pshader /* Filter different instructions with the same enum values in VS */
 366                     && (WINED3DSIO_TEX == curOpcode->opcode
 367                         || WINED3DSIO_TEXBEM == curOpcode->opcode
 368                         || WINED3DSIO_TEXBEML == curOpcode->opcode
 369                         || WINED3DSIO_TEXDP3TEX == curOpcode->opcode
 370                         || WINED3DSIO_TEXM3x2TEX == curOpcode->opcode
 371                         || WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode
 372                         || WINED3DSIO_TEXM3x3TEX == curOpcode->opcode
 373                         || WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode
 374                         || WINED3DSIO_TEXREG2AR == curOpcode->opcode
 375                         || WINED3DSIO_TEXREG2GB == curOpcode->opcode
 376                         || WINED3DSIO_TEXREG2RGB == curOpcode->opcode))
 377             {
 378                 /* Fake sampler usage, only set reserved bit and ttype */
 379                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 380
 381                 TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 382                 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 383
 384                 /* texbem is only valid with < 1.4 pixel shaders */
 385                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 386                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 387                     reg_maps->bumpmat[sampler_code] = TRUE;
 388                     if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 389                         reg_maps->luminanceparams[sampler_code] = TRUE;
 390                     }
 391                 }
 392             }
 393             if(WINED3DSIO_NRM  == curOpcode->opcode) {
 394                 reg_maps->usesnrm = 1;
 395             } else if(WINED3DSIO_BEM == curOpcode->opcode && pshader) {
 396                 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 397                 reg_maps->bumpmat[regnum] = TRUE;
 398             } else if(WINED3DSIO_DSY  == curOpcode->opcode) {
 399                 reg_maps->usesdsy = 1;
 400             }
 401
 402             /* This will loop over all the registers and try to
 403              * make a bitmask of the ones we're interested in.
 404              *
 405              * Relative addressing tokens are ignored, but that's
 406              * okay, since we'll catch any address registers when
 407              * they are initialized (required by spec) */
 408
 409             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 410                 curOpcode->num_params + 1: curOpcode->num_params;
 411
 412             for (i = 0; i < limit; ++i) {
 413
 414                 DWORD param, addr_token, reg, regtype;
 415                 pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 416
 417                 regtype = shader_get_regtype(param);
 418                 reg = param & WINED3DSP_REGNUM_MASK;
 419
 420                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 421
 422                     if (pshader)
 423                         reg_maps->texcoord[reg] = 1;
 424                     else
 425                         reg_maps->address[reg] = 1;
 426                 }
 427
 428                 else if (WINED3DSPR_TEMP == regtype)
 429                     reg_maps->temporary[reg] = 1;
 430
 431                 else if (WINED3DSPR_INPUT == regtype) {
 432                     if( !pshader)
 433                         reg_maps->attributes[reg] = 1;
 434                     else {
 435                         if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 436                             /* If relative addressing is used, we must assume that all registers
 437                              * are used. Even if it is a construct like v3[aL], we can't assume
 438                              * that v0, v1 and v2 aren't read because aL can be negative
 439                              */
 440                             unsigned int i;
 441                             for(i = 0; i < MAX_REG_INPUT; i++) {
 442                                 ((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
 443                             }
 444                         } else {
 445                             ((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
 446                         }
 447                     }
 448                 }
 449
 450                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 451                     reg_maps->fog = 1;
 452
 453                 else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
 454                     reg_maps->vpos = 1;
 455
 456                 else if(WINED3DSPR_CONST == regtype) {
 457                     if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 458                         if(!pshader) {
 459                             if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
 460                                 ((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
 461                             } else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
 462                                 ((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
 463                             }
 464                         }
 465                         reg_maps->usesrelconstF = TRUE;
 466                     }
 467                 }
 468                 else if(WINED3DSPR_CONSTINT == regtype) {
 469                     This->baseShader.uses_int_consts = TRUE;
 470                 }
 471                 else if(WINED3DSPR_CONSTBOOL == regtype) {
 472                     This->baseShader.uses_bool_consts = TRUE;
 473                 }
 474
 475                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and is used
 476                  * in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel shaders because TECRDOUT
 477                  * isn't used in them, but future register types might cause issues
 478                  */
 479                 else if (WINED3DSPR_TEXCRDOUT == regtype && i == 0 /* Only look at writes */
 480                         && !pshader && WINED3DSHADER_VERSION_MAJOR(shader_version) < 3)
 481                 {
 482                     reg_maps->texcoord_mask[reg] |= shader_get_writemask(param);
 483                 }
 484             }
 485         }
 486     }
 487     ++pToken;
 488     reg_maps->loop_depth = max_loop_depth;
 489
 490     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 491
 492     return WINED3D_OK;
 493 }
 494
 495 static void shader_dump_decl_usage(DWORD decl, DWORD param, DWORD shader_version)
 496 {
 497     DWORD regtype = shader_get_regtype(param);
 498
 499     TRACE("dcl");
 500
 501     if (regtype == WINED3DSPR_SAMPLER) {
 502         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 503
 504         switch (ttype) {
 505             case WINED3DSTT_2D: TRACE("_2d"); break;
 506             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 507             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 508             default: TRACE("_unknown_ttype(0x%08x)", ttype);
 509        }
 510
 511     } else {
 512
 513         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 514         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 515
 516         /* Pixel shaders 3.0 don't have usage semantics */
 517         if (shader_is_pshader_version(shader_version) && shader_version < WINED3DPS_VERSION(3,0))
 518             return;
 519         else
 520             TRACE("_");
 521
 522         switch(usage) {
 523         case WINED3DDECLUSAGE_POSITION:
 524             TRACE("position%d", idx);
 525             break;
 526         case WINED3DDECLUSAGE_BLENDINDICES:
 527             TRACE("blend");
 528             break;
 529         case WINED3DDECLUSAGE_BLENDWEIGHT:
 530             TRACE("weight");
 531             break;
 532         case WINED3DDECLUSAGE_NORMAL:
 533             TRACE("normal%d", idx);
 534             break;
 535         case WINED3DDECLUSAGE_PSIZE:
 536             TRACE("psize");
 537             break;
 538         case WINED3DDECLUSAGE_COLOR:
 539             if(idx == 0)  {
 540                 TRACE("color");
 541             } else {
 542                 TRACE("specular%d", (idx - 1));
 543             }
 544             break;
 545         case WINED3DDECLUSAGE_TEXCOORD:
 546             TRACE("texture%d", idx);
 547             break;
 548         case WINED3DDECLUSAGE_TANGENT:
 549             TRACE("tangent");
 550             break;
 551         case WINED3DDECLUSAGE_BINORMAL:
 552             TRACE("binormal");
 553             break;
 554         case WINED3DDECLUSAGE_TESSFACTOR:
 555             TRACE("tessfactor");
 556             break;
 557         case WINED3DDECLUSAGE_POSITIONT:
 558             TRACE("positionT%d", idx);
 559             break;
 560         case WINED3DDECLUSAGE_FOG:
 561             TRACE("fog");
 562             break;
 563         case WINED3DDECLUSAGE_DEPTH:
 564             TRACE("depth");
 565             break;
 566         case WINED3DDECLUSAGE_SAMPLE:
 567             TRACE("sample");
 568             break;
 569         default:
 570             FIXME("unknown_semantics(0x%08x)", usage);
 571         }
 572     }
 573 }
 574
 575 static void shader_dump_arr_entry(const DWORD param, const DWORD addr_token,
 576         unsigned int reg, int input, DWORD shader_version)
 577 {
 578     char relative =
 579         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 580
 581     if (relative) {
 582         TRACE("[");
 583         if (addr_token)
 584             shader_dump_param(addr_token, 0, input, shader_version);
 585         else
 586             TRACE("a0.x");
 587         TRACE(" + ");
 588      }
 589      TRACE("%u", reg);
 590      if (relative)
 591          TRACE("]");
 592 }
 593
 594 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version)
 595 {
 596     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 597     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 598     char swizzle_reg_chars[4];
 599
 600     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 601     DWORD regtype = shader_get_regtype(param);
 602     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 603
 604     /* There are some minor differences between pixel and vertex shaders */
 605     char pshader = shader_is_pshader_version(shader_version);
 606
 607     /* For one, we'd prefer color components to be shown for pshaders.
 608      * FIXME: use the swizzle function for this */
 609
 610     swizzle_reg_chars[0] = pshader? 'r': 'x';
 611     swizzle_reg_chars[1] = pshader? 'g': 'y';
 612     swizzle_reg_chars[2] = pshader? 'b': 'z';
 613     swizzle_reg_chars[3] = pshader? 'a': 'w';
 614
 615     if (input) {
 616         if ( (modifier == WINED3DSPSM_NEG) ||
 617              (modifier == WINED3DSPSM_BIASNEG) ||
 618              (modifier == WINED3DSPSM_SIGNNEG) ||
 619              (modifier == WINED3DSPSM_X2NEG) ||
 620              (modifier == WINED3DSPSM_ABSNEG) )
 621             TRACE("-");
 622         else if (modifier == WINED3DSPSM_COMP)
 623             TRACE("1-");
 624         else if (modifier == WINED3DSPSM_NOT)
 625             TRACE("!");
 626
 627         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 628             TRACE("abs(");
 629     }
 630
 631     switch (regtype) {
 632         case WINED3DSPR_TEMP:
 633             TRACE("r%u", reg);
 634             break;
 635         case WINED3DSPR_INPUT:
 636             TRACE("v");
 637             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 638             break;
 639         case WINED3DSPR_CONST:
 640         case WINED3DSPR_CONST2:
 641         case WINED3DSPR_CONST3:
 642         case WINED3DSPR_CONST4:
 643             TRACE("c");
 644             shader_dump_arr_entry(param, addr_token, shader_get_float_offset(param), input, shader_version);
 645             break;
 646         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 647             TRACE("%c%u", (pshader? 't':'a'), reg);
 648             break;
 649         case WINED3DSPR_RASTOUT:
 650             TRACE("%s", rastout_reg_names[reg]);
 651             break;
 652         case WINED3DSPR_COLOROUT:
 653             TRACE("oC%u", reg);
 654             break;
 655         case WINED3DSPR_DEPTHOUT:
 656             TRACE("oDepth");
 657             break;
 658         case WINED3DSPR_ATTROUT:
 659             TRACE("oD%u", reg);
 660             break;
 661         case WINED3DSPR_TEXCRDOUT:
 662
 663             /* Vertex shaders >= 3.0 use general purpose output registers
 664              * (WINED3DSPR_OUTPUT), which can include an address token */
 665
 666             if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) {
 667                 TRACE("o");
 668                 shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 669             }
 670             else
 671                TRACE("oT%u", reg);
 672             break;
 673         case WINED3DSPR_CONSTINT:
 674             TRACE("i");
 675             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 676             break;
 677         case WINED3DSPR_CONSTBOOL:
 678             TRACE("b");
 679             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 680             break;
 681         case WINED3DSPR_LABEL:
 682             TRACE("l%u", reg);
 683             break;
 684         case WINED3DSPR_LOOP:
 685             TRACE("aL");
 686             break;
 687         case WINED3DSPR_SAMPLER:
 688             TRACE("s%u", reg);
 689             break;
 690         case WINED3DSPR_MISCTYPE:
 691             if (reg > 1) {
 692                 FIXME("Unhandled misctype register %d\n", reg);
 693             } else {
 694                 TRACE("%s", misctype_reg_names[reg]);
 695             }
 696             break;
 697         case WINED3DSPR_PREDICATE:
 698             TRACE("p%u", reg);
 699             break;
 700         default:
 701             TRACE("unhandled_rtype(%#x)", regtype);
 702             break;
 703    }
 704
 705    if (!input) {
 706        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 707
 708        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 709            TRACE(".");
 710            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 711            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 712            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 713            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 714        }
 715
 716    } else {
 717         /** operand input */
 718         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 719         DWORD swizzle_r = swizzle & 0x03;
 720         DWORD swizzle_g = (swizzle >> 2) & 0x03;
 721         DWORD swizzle_b = (swizzle >> 4) & 0x03;
 722         DWORD swizzle_a = (swizzle >> 6) & 0x03;
 723
 724         if (0 != modifier) {
 725             switch (modifier) {
 726                 case WINED3DSPSM_NONE:    break;
 727                 case WINED3DSPSM_NEG:     break;
 728                 case WINED3DSPSM_NOT:     break;
 729                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 730                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 731                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 732                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 733                 case WINED3DSPSM_COMP:    break;
 734                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 735                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 736                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 737                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 738                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 739                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 740                 default:
 741                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 742             }
 743         }
 744
 745         /**
 746         * swizzle bits fields:
 747         *  RRGGBBAA
 748         */
 749         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 750             if (swizzle_r == swizzle_g &&
 751                 swizzle_r == swizzle_b &&
 752                 swizzle_r == swizzle_a) {
 753                     TRACE(".%c", swizzle_reg_chars[swizzle_r]);
 754             } else {
 755                 TRACE(".%c%c%c%c",
 756                 swizzle_reg_chars[swizzle_r],
 757                 swizzle_reg_chars[swizzle_g],
 758                 swizzle_reg_chars[swizzle_b],
 759                 swizzle_reg_chars[swizzle_a]);
 760             }
 761         }
 762     }
 763 }
 764
 765 static void shader_color_correction(IWineD3DBaseShaderImpl *shader,
 766         IWineD3DDeviceImpl *device, const struct SHADER_OPCODE_ARG *arg, DWORD shader_version)
 767 {
 768     IWineD3DBaseTextureImpl *texture;
 769     struct color_fixup_desc fixup;
 770     BOOL recorded = FALSE;
 771     DWORD sampler_idx;
 772     UINT i;
 773
 774     switch(arg->opcode->opcode)
 775     {
 776         case WINED3DSIO_TEX:
 777             if (WINED3DSHADER_VERSION_MAJOR(shader_version) < 2) sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
 778             else sampler_idx = arg->src[1] & WINED3DSP_REGNUM_MASK;
 779             break;
 780
 781         case WINED3DSIO_TEXLDL:
 782             FIXME("Add color fixup for vertex texture WINED3DSIO_TEXLDL\n");
 783             return;
 784
 785         case WINED3DSIO_TEXDP3TEX:
 786         case WINED3DSIO_TEXM3x3TEX:
 787         case WINED3DSIO_TEXM3x3SPEC:
 788         case WINED3DSIO_TEXM3x3VSPEC:
 789         case WINED3DSIO_TEXBEM:
 790         case WINED3DSIO_TEXREG2AR:
 791         case WINED3DSIO_TEXREG2GB:
 792         case WINED3DSIO_TEXREG2RGB:
 793             sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
 794             break;
 795
 796         default:
 797             /* Not a texture sampling instruction, nothing to do */
 798             return;
 799     };
 800
 801     texture = (IWineD3DBaseTextureImpl *)device->stateBlock->textures[sampler_idx];
 802     if (texture) fixup = texture->baseTexture.shader_color_fixup;
 803     else fixup = COLOR_FIXUP_IDENTITY;
 804
 805     /* before doing anything, record the sampler with the format in the format conversion list,
 806      * but check if it's not there already */
 807     for (i = 0; i < shader->baseShader.num_sampled_samplers; ++i)
 808     {
 809         if (shader->baseShader.sampled_samplers[i] == sampler_idx)
 810         {
 811             recorded = TRUE;
 812             break;
 813         }
 814     }
 815
 816     if (!recorded)
 817     {
 818         shader->baseShader.sampled_samplers[shader->baseShader.num_sampled_samplers] = sampler_idx;
 819         ++shader->baseShader.num_sampled_samplers;
 820     }
 821
 822     device->shader_backend->shader_color_correction(arg, fixup);
 823 }
 824
 825 /* Shared code in order to generate the bulk of the shader string.
 826  * NOTE: A description of how to parse tokens can be found on msdn */
 827 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
 828         const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
 829 {
 830     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 831     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 832     const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
 833     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 834     DWORD shader_version = reg_maps->shader_version;
 835     const DWORD *pToken = pFunction;
 836     const SHADER_OPCODE *curOpcode;
 837     SHADER_HANDLER hw_fct;
 838     DWORD i;
 839     SHADER_OPCODE_ARG hw_arg;
 840
 841     /* Initialize current parsing state */
 842     hw_arg.shader = iface;
 843     hw_arg.buffer = buffer;
 844     hw_arg.reg_maps = reg_maps;
 845     This->baseShader.parse_state.current_row = 0;
 846
 847     if (!pToken) return;
 848
 849     while (WINED3DPS_END() != *pToken)
 850     {
 851         /* Skip version token */
 852         if (shader_is_version_token(*pToken))
 853         {
 854             ++pToken;
 855             continue;
 856         }
 857
 858         /* Skip comment tokens */
 859         if (shader_is_comment(*pToken))
 860         {
 861             pToken += (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 862             ++pToken;
 863             continue;
 864         }
 865
 866         /* Read opcode */
 867         hw_arg.opcode_token = *pToken++;
 868         curOpcode = shader_get_opcode(opcode_table, shader_version, hw_arg.opcode_token);
 869
 870         /* Unknown opcode and its parameters */
 871         if (!curOpcode)
 872         {
 873             FIXME("Unrecognized opcode: token=0x%08x\n", hw_arg.opcode_token);
 874             pToken += shader_skip_unrecognized(pToken, shader_version);
 875             continue;
 876         }
 877
 878         /* Nothing to do */
 879         if (WINED3DSIO_DCL == curOpcode->opcode
 880                 || WINED3DSIO_NOP == curOpcode->opcode
 881                 || WINED3DSIO_DEF == curOpcode->opcode
 882                 || WINED3DSIO_DEFI == curOpcode->opcode
 883                 || WINED3DSIO_DEFB == curOpcode->opcode
 884                 || WINED3DSIO_PHASE == curOpcode->opcode
 885                 || WINED3DSIO_RET == curOpcode->opcode)
 886         {
 887             pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
 888             continue;
 889         }
 890
 891         /* Select handler */
 892         hw_fct = handler_table[curOpcode->handler_idx];
 893
 894         /* Unhandled opcode */
 895         if (!hw_fct)
 896         {
 897             FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 898             pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
 899             continue;
 900         }
 901
 902         hw_arg.opcode = curOpcode;
 903
 904         /* Destination token */
 905         if (curOpcode->dst_token)
 906         {
 907             DWORD param, addr_token = 0;
 908             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 909             hw_arg.dst = param;
 910             hw_arg.dst_addr = addr_token;
 911         }
 912
 913         /* Predication token */
 914         if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) hw_arg.predicate = *pToken++;
 915
 916         /* Other source tokens */
 917         for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); ++i)
 918         {
 919             DWORD param, addr_token = 0;
 920             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 921             hw_arg.src[i] = param;
 922             hw_arg.src_addr[i] = addr_token;
 923         }
 924
 925         /* Call appropriate function for output target */
 926         hw_fct(&hw_arg);
 927
 928         /* Add color correction if needed */
 929         shader_color_correction(This, device, &hw_arg, shader_version);
 930
 931         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 932         /* FIXME: This should be internal to the shader backend.
 933          * Also, right now this is the only reason "shader_mode" exists. */
 934         if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&hw_arg);
 935     }
 936 }
 937
 938 static void shader_dump_ins_modifiers(const DWORD output)
 939 {
 940     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 941     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 942
 943     switch (shift) {
 944         case 0: break;
 945         case 13: TRACE("_d8"); break;
 946         case 14: TRACE("_d4"); break;
 947         case 15: TRACE("_d2"); break;
 948         case 1: TRACE("_x2"); break;
 949         case 2: TRACE("_x4"); break;
 950         case 3: TRACE("_x8"); break;
 951         default: TRACE("_unhandled_shift(%d)", shift); break;
 952     }
 953
 954     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 955     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 956     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 957
 958     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 959     if (mmask)
 960         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 961 }
 962
 963 void shader_trace_init(const DWORD *pFunction, const SHADER_OPCODE *opcode_table)
 964 {
 965     const DWORD* pToken = pFunction;
 966     const SHADER_OPCODE* curOpcode = NULL;
 967     DWORD shader_version;
 968     DWORD opcode_token;
 969     DWORD i;
 970
 971     TRACE("Parsing %p\n", pFunction);
 972
 973     if (!pFunction)
 974     {
 975         WARN("Got a NULL pFunction, returning.\n");
 976         return;
 977     }
 978
 979     /* The version token is supposed to be the first token */
 980     if (!shader_is_version_token(*pToken))
 981     {
 982         FIXME("First token is not a version token, invalid shader.\n");
 983         return;
 984     }
 985     shader_version = *pToken++;
 986     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version) ? "ps": "vs",
 987             WINED3DSHADER_VERSION_MAJOR(shader_version), WINED3DSHADER_VERSION_MINOR(shader_version));
 988
 989     while (WINED3DVS_END() != *pToken)
 990     {
 991         if (shader_is_comment(*pToken)) /* comment */
 992         {
 993             DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 994             ++pToken;
 995             TRACE("//%s\n", (const char*)pToken);
 996             pToken += comment_len;
 997             continue;
 998         }
 999         opcode_token = *pToken++;
1000         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
1001
1002         if (!curOpcode)
1003         {
1004             int tokens_read;
1005             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
1006             tokens_read = shader_skip_unrecognized(pToken, shader_version);
1007             pToken += tokens_read;
1008         }
1009         else
1010         {
1011             if (curOpcode->opcode == WINED3DSIO_DCL)
1012             {
1013                 DWORD usage = *pToken;
1014                 DWORD param = *(pToken + 1);
1015
1016                 shader_dump_decl_usage(usage, param, shader_version);
1017                 shader_dump_ins_modifiers(param);
1018                 TRACE(" ");
1019                 shader_dump_param(param, 0, 0, shader_version);
1020                 pToken += 2;
1021             }
1022             else if (curOpcode->opcode == WINED3DSIO_DEF)
1023             {
1024                 unsigned int offset = shader_get_float_offset(*pToken);
1025
1026                 TRACE("def c%u = %f, %f, %f, %f", offset,
1027                         *(const float *)(pToken + 1),
1028                         *(const float *)(pToken + 2),
1029                         *(const float *)(pToken + 3),
1030                         *(const float *)(pToken + 4));
1031                 pToken += 5;
1032             }
1033             else if (curOpcode->opcode == WINED3DSIO_DEFI)
1034             {
1035                 TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
1036                         *(pToken + 1),
1037                         *(pToken + 2),
1038                         *(pToken + 3),
1039                         *(pToken + 4));
1040                 pToken += 5;
1041             }
1042             else if (curOpcode->opcode == WINED3DSIO_DEFB)
1043             {
1044                 TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
1045                         *(pToken + 1)? "true": "false");
1046                 pToken += 2;
1047             }
1048             else
1049             {
1050                 DWORD param, addr_token;
1051                 int tokens_read;
1052
1053                 /* Print out predication source token first - it follows
1054                  * the destination token. */
1055                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1056                 {
1057                     TRACE("(");
1058                     shader_dump_param(*(pToken + 2), 0, 1, shader_version);
1059                     TRACE(") ");
1060                 }
1061                 if (opcode_token & WINED3DSI_COISSUE)
1062                 {
1063                     /* PixWin marks instructions with the coissue flag with a '+' */
1064                     TRACE("+");
1065                 }
1066
1067                 TRACE("%s", curOpcode->name);
1068
1069                 if (curOpcode->opcode == WINED3DSIO_IFC
1070                         || curOpcode->opcode == WINED3DSIO_BREAKC)
1071                 {
1072                     DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1073
1074                     switch (op)
1075                     {
1076                         case COMPARISON_GT: TRACE("_gt"); break;
1077                         case COMPARISON_EQ: TRACE("_eq"); break;
1078                         case COMPARISON_GE: TRACE("_ge"); break;
1079                         case COMPARISON_LT: TRACE("_lt"); break;
1080                         case COMPARISON_NE: TRACE("_ne"); break;
1081                         case COMPARISON_LE: TRACE("_le"); break;
1082                         default: TRACE("_(%u)", op);
1083                     }
1084                 }
1085                 else if (curOpcode->opcode == WINED3DSIO_TEX
1086                         && shader_version >= WINED3DPS_VERSION(2,0)
1087                         && (opcode_token & WINED3DSI_TEXLD_PROJECT))
1088                 {
1089                     TRACE("p");
1090                 }
1091
1092                 /* Destination token */
1093                 if (curOpcode->dst_token)
1094                 {
1095                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1096                     pToken += tokens_read;
1097
1098                     shader_dump_ins_modifiers(param);
1099                     TRACE(" ");
1100                     shader_dump_param(param, addr_token, 0, shader_version);
1101                 }
1102
1103                 /* Predication token - already printed out, just skip it */
1104                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1105                 {
1106                     pToken++;
1107                 }
1108
1109                 /* Other source tokens */
1110                 for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i)
1111                 {
1112                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1113                     pToken += tokens_read;
1114
1115                     TRACE((i == 0)? " " : ", ");
1116                     shader_dump_param(param, addr_token, 1, shader_version);
1117                 }
1118             }
1119             TRACE("\n");
1120         }
1121     }
1122 }
1123
1124 void shader_cleanup(IWineD3DBaseShader *iface)
1125 {
1126     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1127
1128     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1129     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1130     shader_delete_constant_list(&This->baseShader.constantsF);
1131     shader_delete_constant_list(&This->baseShader.constantsB);
1132     shader_delete_constant_list(&This->baseShader.constantsI);
1133     list_remove(&This->baseShader.shader_list_entry);
1134 }
1135
1136 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1137 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1138 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1139 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1140 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1141 static void shader_none_cleanup(IWineD3DDevice *iface) {}
1142 static void shader_none_color_correction(const struct SHADER_OPCODE_ARG *arg, struct color_fixup_desc fixup) {}
1143 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1144 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1145 static void shader_none_free(IWineD3DDevice *iface) {}
1146 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1147 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface, SHADER_BUFFER *buffer) {
1148     FIXME("NONE shader backend asked to generate a pixel shader\n");
1149     return 0;
1150 }
1151 static void shader_none_generate_vshader(IWineD3DVertexShader *iface, SHADER_BUFFER *buffer) {
1152     FIXME("NONE shader backend asked to generate a vertex shader\n");
1153 }
1154
1155 #define GLINFO_LOCATION      (*gl_info)
1156 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1157 {
1158     /* Set the shader caps to 0 for the none shader backend */
1159     pCaps->VertexShaderVersion  = 0;
1160     pCaps->PixelShaderVersion    = 0;
1161     pCaps->PixelShader1xMaxValue = 0.0;
1162 }
1163 #undef GLINFO_LOCATION
1164 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1165 {
1166     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1167     {
1168         TRACE("Checking support for fixup:\n");
1169         dump_color_fixup_desc(fixup);
1170     }
1171
1172     /* Faked to make some apps happy. */
1173     if (!is_yuv_fixup(fixup))
1174     {
1175         TRACE("[OK]\n");
1176         return TRUE;
1177     }
1178
1179     TRACE("[FAILED]\n");
1180     return FALSE;
1181 }
1182
1183 const shader_backend_t none_shader_backend = {
1184     shader_none_instruction_handler_table,
1185     shader_none_select,
1186     shader_none_select_depth_blt,
1187     shader_none_deselect_depth_blt,
1188     shader_none_load_constants,
1189     shader_none_cleanup,
1190     shader_none_color_correction,
1191     shader_none_destroy,
1192     shader_none_alloc,
1193     shader_none_free,
1194     shader_none_dirty_const,
1195     shader_none_generate_pshader,
1196     shader_none_generate_vshader,
1197     shader_none_get_caps,
1198     shader_none_color_fixup_supported,
1199 };