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 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version);
  35
  36 static inline BOOL shader_is_version_token(DWORD token) {
  37     return shader_is_pshader_version(token) ||
  38            shader_is_vshader_version(token);
  39 }
  40
  41 void shader_buffer_init(struct SHADER_BUFFER *buffer)
  42 {
  43     buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
  44     buffer->buffer[0] = '\0';
  45     buffer->bsize = 0;
  46     buffer->lineNo = 0;
  47     buffer->newline = TRUE;
  48 }
  49
  50 void shader_buffer_free(struct SHADER_BUFFER *buffer)
  51 {
  52     HeapFree(GetProcessHeap(), 0, buffer->buffer);
  53 }
  54
  55 int shader_addline(
  56     SHADER_BUFFER* buffer,
  57     const char *format, ...) {
  58
  59     char* base = buffer->buffer + buffer->bsize;
  60     int rc;
  61
  62     va_list args;
  63     va_start(args, format);
  64     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  65     va_end(args);
  66
  67     if (rc < 0 ||                                   /* C89 */
  68         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  69
  70         ERR("The buffer allocated for the shader program string "
  71             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  72         buffer->bsize = SHADER_PGMSIZE - 1;
  73         return -1;
  74     }
  75
  76     if (buffer->newline) {
  77         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
  78         buffer->newline = FALSE;
  79     } else {
  80         TRACE("%s", base);
  81     }
  82
  83     buffer->bsize += rc;
  84     if (buffer->buffer[buffer->bsize-1] == '\n') {
  85         buffer->lineNo++;
  86         buffer->newline = TRUE;
  87     }
  88     return 0;
  89 }
  90
  91 void shader_init(struct IWineD3DBaseShaderClass *shader,
  92         IWineD3DDevice *device, const SHADER_OPCODE *instruction_table)
  93 {
  94     shader->ref = 1;
  95     shader->device = device;
  96     shader->shader_ins = instruction_table;
  97     list_init(&shader->linked_programs);
  98 }
  99
 100 const SHADER_OPCODE *shader_get_opcode(const SHADER_OPCODE *opcode_table, DWORD shader_version, DWORD code)
 101 {
 102     DWORD i = 0;
 103
 104     /** TODO: use dichotomic search */
 105     while (opcode_table[i].name)
 106     {
 107         if ((code & WINED3DSI_OPCODE_MASK) == opcode_table[i].opcode
 108                 && shader_version >= opcode_table[i].min_version
 109                 && (!opcode_table[i].max_version || shader_version <= opcode_table[i].max_version))
 110         {
 111             return &opcode_table[i];
 112         }
 113         ++i;
 114     }
 115
 116     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
 117             code, code, code & WINED3DSI_OPCODE_MASK, shader_version);
 118
 119     return NULL;
 120 }
 121
 122 /* Read a parameter opcode from the input stream,
 123  * and possibly a relative addressing token.
 124  * Return the number of tokens read */
 125 static int shader_get_param(const DWORD *pToken, DWORD shader_version, DWORD *param, DWORD *addr_token)
 126 {
 127     /* PS >= 3.0 have relative addressing (with token)
 128      * VS >= 2.0 have relative addressing (with token)
 129      * VS >= 1.0 < 2.0 have relative addressing (without token)
 130      * The version check below should work in general */
 131
 132     char rel_token = WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2 &&
 133         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 134
 135     *param = *pToken;
 136     *addr_token = rel_token? *(pToken + 1): 0;
 137     return rel_token? 2:1;
 138 }
 139
 140 /* Return the number of parameters to skip for an opcode */
 141 static inline int shader_skip_opcode(const SHADER_OPCODE *curOpcode, DWORD opcode_token, DWORD shader_version)
 142 {
 143    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 144     * have a useful length mask - use it here. Shaders 1.0 contain no such tokens */
 145     return (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2)
 146             ? ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT) : curOpcode->num_params;
 147 }
 148
 149 /* Read the parameters of an unrecognized opcode from the input stream
 150  * Return the number of tokens read.
 151  *
 152  * Note: This function assumes source or destination token format.
 153  * It will not work with specially-formatted tokens like DEF or DCL,
 154  * but hopefully those would be recognized */
 155 static int shader_skip_unrecognized(const DWORD *pToken, DWORD shader_version)
 156 {
 157     int tokens_read = 0;
 158     int i = 0;
 159
 160     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 161     while (*pToken & 0x80000000) {
 162
 163         DWORD param, addr_token;
 164         tokens_read += shader_get_param(pToken, shader_version, &param, &addr_token);
 165         pToken += tokens_read;
 166
 167         FIXME("Unrecognized opcode param: token=0x%08x "
 168             "addr_token=0x%08x name=", param, addr_token);
 169         shader_dump_param(param, addr_token, i, shader_version);
 170         FIXME("\n");
 171         ++i;
 172     }
 173     return tokens_read;
 174 }
 175
 176 /* Convert floating point offset relative
 177  * to a register file to an absolute offset for float constants */
 178 static unsigned int shader_get_float_offset(const DWORD reg)
 179 {
 180      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 181      int regtype = shader_get_regtype(reg);
 182
 183      switch (regtype) {
 184         case WINED3DSPR_CONST: return regnum;
 185         case WINED3DSPR_CONST2: return 2048 + regnum;
 186         case WINED3DSPR_CONST3: return 4096 + regnum;
 187         case WINED3DSPR_CONST4: return 6144 + regnum;
 188         default:
 189             FIXME("Unsupported register type: %d\n", regtype);
 190             return regnum;
 191      }
 192 }
 193
 194 static void shader_delete_constant_list(struct list* clist) {
 195
 196     struct list *ptr;
 197     struct local_constant* constant;
 198
 199     ptr = list_head(clist);
 200     while (ptr) {
 201         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 202         ptr = list_next(clist, ptr);
 203         HeapFree(GetProcessHeap(), 0, constant);
 204     }
 205     list_init(clist);
 206 }
 207
 208 /* Note that this does not count the loop register
 209  * as an address register. */
 210
 211 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, struct shader_reg_maps *reg_maps,
 212         struct semantic *semantics_in, struct semantic *semantics_out, const DWORD *byte_code)
 213 {
 214     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 215     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
 216     DWORD shader_version;
 217     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 218     const DWORD* pToken = byte_code;
 219     char pshader;
 220
 221     /* There are some minor differences between pixel and vertex shaders */
 222
 223     memset(reg_maps->bumpmat, 0, sizeof(reg_maps->bumpmat));
 224     memset(reg_maps->luminanceparams, 0, sizeof(reg_maps->luminanceparams));
 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     const char *swizzle_reg_chars = "xyzw";
 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     if (input) {
 608         if ( (modifier == WINED3DSPSM_NEG) ||
 609              (modifier == WINED3DSPSM_BIASNEG) ||
 610              (modifier == WINED3DSPSM_SIGNNEG) ||
 611              (modifier == WINED3DSPSM_X2NEG) ||
 612              (modifier == WINED3DSPSM_ABSNEG) )
 613             TRACE("-");
 614         else if (modifier == WINED3DSPSM_COMP)
 615             TRACE("1-");
 616         else if (modifier == WINED3DSPSM_NOT)
 617             TRACE("!");
 618
 619         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 620             TRACE("abs(");
 621     }
 622
 623     switch (regtype) {
 624         case WINED3DSPR_TEMP:
 625             TRACE("r%u", reg);
 626             break;
 627         case WINED3DSPR_INPUT:
 628             TRACE("v");
 629             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 630             break;
 631         case WINED3DSPR_CONST:
 632         case WINED3DSPR_CONST2:
 633         case WINED3DSPR_CONST3:
 634         case WINED3DSPR_CONST4:
 635             TRACE("c");
 636             shader_dump_arr_entry(param, addr_token, shader_get_float_offset(param), input, shader_version);
 637             break;
 638         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 639             TRACE("%c%u", (pshader? 't':'a'), reg);
 640             break;
 641         case WINED3DSPR_RASTOUT:
 642             TRACE("%s", rastout_reg_names[reg]);
 643             break;
 644         case WINED3DSPR_COLOROUT:
 645             TRACE("oC%u", reg);
 646             break;
 647         case WINED3DSPR_DEPTHOUT:
 648             TRACE("oDepth");
 649             break;
 650         case WINED3DSPR_ATTROUT:
 651             TRACE("oD%u", reg);
 652             break;
 653         case WINED3DSPR_TEXCRDOUT:
 654
 655             /* Vertex shaders >= 3.0 use general purpose output registers
 656              * (WINED3DSPR_OUTPUT), which can include an address token */
 657
 658             if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) {
 659                 TRACE("o");
 660                 shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 661             }
 662             else
 663                TRACE("oT%u", reg);
 664             break;
 665         case WINED3DSPR_CONSTINT:
 666             TRACE("i");
 667             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 668             break;
 669         case WINED3DSPR_CONSTBOOL:
 670             TRACE("b");
 671             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 672             break;
 673         case WINED3DSPR_LABEL:
 674             TRACE("l%u", reg);
 675             break;
 676         case WINED3DSPR_LOOP:
 677             TRACE("aL");
 678             break;
 679         case WINED3DSPR_SAMPLER:
 680             TRACE("s%u", reg);
 681             break;
 682         case WINED3DSPR_MISCTYPE:
 683             if (reg > 1) {
 684                 FIXME("Unhandled misctype register %d\n", reg);
 685             } else {
 686                 TRACE("%s", misctype_reg_names[reg]);
 687             }
 688             break;
 689         case WINED3DSPR_PREDICATE:
 690             TRACE("p%u", reg);
 691             break;
 692         default:
 693             TRACE("unhandled_rtype(%#x)", regtype);
 694             break;
 695    }
 696
 697    if (!input) {
 698        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 699
 700        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 701            TRACE(".");
 702            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 703            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 704            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 705            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 706        }
 707
 708    } else {
 709         /** operand input */
 710         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 711         DWORD swizzle_x = swizzle & 0x03;
 712         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 713         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 714         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 715
 716         if (0 != modifier) {
 717             switch (modifier) {
 718                 case WINED3DSPSM_NONE:    break;
 719                 case WINED3DSPSM_NEG:     break;
 720                 case WINED3DSPSM_NOT:     break;
 721                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 722                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 723                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 724                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 725                 case WINED3DSPSM_COMP:    break;
 726                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 727                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 728                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 729                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 730                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 731                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 732                 default:
 733                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 734             }
 735         }
 736
 737         /**
 738         * swizzle bits fields:
 739         *  RRGGBBAA
 740         */
 741         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 742             if (swizzle_x == swizzle_y &&
 743                 swizzle_x == swizzle_z &&
 744                 swizzle_x == swizzle_w) {
 745                     TRACE(".%c", swizzle_reg_chars[swizzle_x]);
 746             } else {
 747                 TRACE(".%c%c%c%c",
 748                 swizzle_reg_chars[swizzle_x],
 749                 swizzle_reg_chars[swizzle_y],
 750                 swizzle_reg_chars[swizzle_z],
 751                 swizzle_reg_chars[swizzle_w]);
 752             }
 753         }
 754     }
 755 }
 756
 757 static void shader_color_correction(IWineD3DBaseShaderImpl *shader,
 758         IWineD3DDeviceImpl *device, const struct SHADER_OPCODE_ARG *arg, DWORD shader_version)
 759 {
 760     IWineD3DBaseTextureImpl *texture;
 761     struct color_fixup_desc fixup;
 762     BOOL recorded = FALSE;
 763     DWORD sampler_idx;
 764     UINT i;
 765
 766     switch(arg->opcode->opcode)
 767     {
 768         case WINED3DSIO_TEX:
 769             if (WINED3DSHADER_VERSION_MAJOR(shader_version) < 2) sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
 770             else sampler_idx = arg->src[1] & WINED3DSP_REGNUM_MASK;
 771             break;
 772
 773         case WINED3DSIO_TEXLDL:
 774             FIXME("Add color fixup for vertex texture WINED3DSIO_TEXLDL\n");
 775             return;
 776
 777         case WINED3DSIO_TEXDP3TEX:
 778         case WINED3DSIO_TEXM3x3TEX:
 779         case WINED3DSIO_TEXM3x3SPEC:
 780         case WINED3DSIO_TEXM3x3VSPEC:
 781         case WINED3DSIO_TEXBEM:
 782         case WINED3DSIO_TEXREG2AR:
 783         case WINED3DSIO_TEXREG2GB:
 784         case WINED3DSIO_TEXREG2RGB:
 785             sampler_idx = arg->dst & WINED3DSP_REGNUM_MASK;
 786             break;
 787
 788         default:
 789             /* Not a texture sampling instruction, nothing to do */
 790             return;
 791     };
 792
 793     texture = (IWineD3DBaseTextureImpl *)device->stateBlock->textures[sampler_idx];
 794     if (texture) fixup = texture->baseTexture.shader_color_fixup;
 795     else fixup = COLOR_FIXUP_IDENTITY;
 796
 797     /* before doing anything, record the sampler with the format in the format conversion list,
 798      * but check if it's not there already */
 799     for (i = 0; i < shader->baseShader.num_sampled_samplers; ++i)
 800     {
 801         if (shader->baseShader.sampled_samplers[i] == sampler_idx)
 802         {
 803             recorded = TRUE;
 804             break;
 805         }
 806     }
 807
 808     if (!recorded)
 809     {
 810         shader->baseShader.sampled_samplers[shader->baseShader.num_sampled_samplers] = sampler_idx;
 811         ++shader->baseShader.num_sampled_samplers;
 812     }
 813
 814     device->shader_backend->shader_color_correction(arg, fixup);
 815 }
 816
 817 /* Shared code in order to generate the bulk of the shader string.
 818  * NOTE: A description of how to parse tokens can be found on msdn */
 819 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
 820         const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
 821 {
 822     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 823     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 824     const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
 825     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 826     DWORD shader_version = reg_maps->shader_version;
 827     const DWORD *pToken = pFunction;
 828     const SHADER_OPCODE *curOpcode;
 829     SHADER_HANDLER hw_fct;
 830     DWORD i;
 831     SHADER_OPCODE_ARG hw_arg;
 832
 833     /* Initialize current parsing state */
 834     hw_arg.shader = iface;
 835     hw_arg.buffer = buffer;
 836     hw_arg.reg_maps = reg_maps;
 837     This->baseShader.parse_state.current_row = 0;
 838
 839     while (WINED3DPS_END() != *pToken)
 840     {
 841         /* Skip version token */
 842         if (shader_is_version_token(*pToken))
 843         {
 844             ++pToken;
 845             continue;
 846         }
 847
 848         /* Skip comment tokens */
 849         if (shader_is_comment(*pToken))
 850         {
 851             pToken += (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 852             ++pToken;
 853             continue;
 854         }
 855
 856         /* Read opcode */
 857         hw_arg.opcode_token = *pToken++;
 858         curOpcode = shader_get_opcode(opcode_table, shader_version, hw_arg.opcode_token);
 859
 860         /* Unknown opcode and its parameters */
 861         if (!curOpcode)
 862         {
 863             FIXME("Unrecognized opcode: token=0x%08x\n", hw_arg.opcode_token);
 864             pToken += shader_skip_unrecognized(pToken, shader_version);
 865             continue;
 866         }
 867
 868         /* Nothing to do */
 869         if (WINED3DSIO_DCL == curOpcode->opcode
 870                 || WINED3DSIO_NOP == curOpcode->opcode
 871                 || WINED3DSIO_DEF == curOpcode->opcode
 872                 || WINED3DSIO_DEFI == curOpcode->opcode
 873                 || WINED3DSIO_DEFB == curOpcode->opcode
 874                 || WINED3DSIO_PHASE == curOpcode->opcode
 875                 || WINED3DSIO_RET == curOpcode->opcode)
 876         {
 877             pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
 878             continue;
 879         }
 880
 881         /* Select handler */
 882         hw_fct = handler_table[curOpcode->handler_idx];
 883
 884         /* Unhandled opcode */
 885         if (!hw_fct)
 886         {
 887             FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 888             pToken += shader_skip_opcode(curOpcode, hw_arg.opcode_token, shader_version);
 889             continue;
 890         }
 891
 892         hw_arg.opcode = curOpcode;
 893
 894         /* Destination token */
 895         if (curOpcode->dst_token)
 896         {
 897             DWORD param, addr_token = 0;
 898             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 899             hw_arg.dst = param;
 900             hw_arg.dst_addr = addr_token;
 901         }
 902
 903         /* Predication token */
 904         if (hw_arg.opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) hw_arg.predicate = *pToken++;
 905
 906         /* Other source tokens */
 907         for (i = 0; i < (curOpcode->num_params - curOpcode->dst_token); ++i)
 908         {
 909             DWORD param, addr_token = 0;
 910             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 911             hw_arg.src[i] = param;
 912             hw_arg.src_addr[i] = addr_token;
 913         }
 914
 915         /* Call appropriate function for output target */
 916         hw_fct(&hw_arg);
 917
 918         /* Add color correction if needed */
 919         shader_color_correction(This, device, &hw_arg, shader_version);
 920
 921         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 922         /* FIXME: This should be internal to the shader backend.
 923          * Also, right now this is the only reason "shader_mode" exists. */
 924         if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&hw_arg);
 925     }
 926 }
 927
 928 static void shader_dump_ins_modifiers(const DWORD output)
 929 {
 930     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 931     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 932
 933     switch (shift) {
 934         case 0: break;
 935         case 13: TRACE("_d8"); break;
 936         case 14: TRACE("_d4"); break;
 937         case 15: TRACE("_d2"); break;
 938         case 1: TRACE("_x2"); break;
 939         case 2: TRACE("_x4"); break;
 940         case 3: TRACE("_x8"); break;
 941         default: TRACE("_unhandled_shift(%d)", shift); break;
 942     }
 943
 944     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 945     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 946     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 947
 948     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 949     if (mmask)
 950         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 951 }
 952
 953 void shader_trace_init(const DWORD *pFunction, const SHADER_OPCODE *opcode_table)
 954 {
 955     const DWORD* pToken = pFunction;
 956     const SHADER_OPCODE* curOpcode = NULL;
 957     DWORD shader_version;
 958     DWORD opcode_token;
 959     DWORD i;
 960
 961     TRACE("Parsing %p\n", pFunction);
 962
 963     /* The version token is supposed to be the first token */
 964     if (!shader_is_version_token(*pToken))
 965     {
 966         FIXME("First token is not a version token, invalid shader.\n");
 967         return;
 968     }
 969     shader_version = *pToken++;
 970     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version) ? "ps": "vs",
 971             WINED3DSHADER_VERSION_MAJOR(shader_version), WINED3DSHADER_VERSION_MINOR(shader_version));
 972
 973     while (WINED3DVS_END() != *pToken)
 974     {
 975         if (shader_is_comment(*pToken)) /* comment */
 976         {
 977             DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 978             ++pToken;
 979             TRACE("//%s\n", (const char*)pToken);
 980             pToken += comment_len;
 981             continue;
 982         }
 983         opcode_token = *pToken++;
 984         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
 985
 986         if (!curOpcode)
 987         {
 988             int tokens_read;
 989             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
 990             tokens_read = shader_skip_unrecognized(pToken, shader_version);
 991             pToken += tokens_read;
 992         }
 993         else
 994         {
 995             if (curOpcode->opcode == WINED3DSIO_DCL)
 996             {
 997                 DWORD usage = *pToken;
 998                 DWORD param = *(pToken + 1);
 999
1000                 shader_dump_decl_usage(usage, param, shader_version);
1001                 shader_dump_ins_modifiers(param);
1002                 TRACE(" ");
1003                 shader_dump_param(param, 0, 0, shader_version);
1004                 pToken += 2;
1005             }
1006             else if (curOpcode->opcode == WINED3DSIO_DEF)
1007             {
1008                 unsigned int offset = shader_get_float_offset(*pToken);
1009
1010                 TRACE("def c%u = %f, %f, %f, %f", offset,
1011                         *(const float *)(pToken + 1),
1012                         *(const float *)(pToken + 2),
1013                         *(const float *)(pToken + 3),
1014                         *(const float *)(pToken + 4));
1015                 pToken += 5;
1016             }
1017             else if (curOpcode->opcode == WINED3DSIO_DEFI)
1018             {
1019                 TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
1020                         *(pToken + 1),
1021                         *(pToken + 2),
1022                         *(pToken + 3),
1023                         *(pToken + 4));
1024                 pToken += 5;
1025             }
1026             else if (curOpcode->opcode == WINED3DSIO_DEFB)
1027             {
1028                 TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
1029                         *(pToken + 1)? "true": "false");
1030                 pToken += 2;
1031             }
1032             else
1033             {
1034                 DWORD param, addr_token;
1035                 int tokens_read;
1036
1037                 /* Print out predication source token first - it follows
1038                  * the destination token. */
1039                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1040                 {
1041                     TRACE("(");
1042                     shader_dump_param(*(pToken + 2), 0, 1, shader_version);
1043                     TRACE(") ");
1044                 }
1045                 if (opcode_token & WINED3DSI_COISSUE)
1046                 {
1047                     /* PixWin marks instructions with the coissue flag with a '+' */
1048                     TRACE("+");
1049                 }
1050
1051                 TRACE("%s", curOpcode->name);
1052
1053                 if (curOpcode->opcode == WINED3DSIO_IFC
1054                         || curOpcode->opcode == WINED3DSIO_BREAKC)
1055                 {
1056                     DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1057
1058                     switch (op)
1059                     {
1060                         case COMPARISON_GT: TRACE("_gt"); break;
1061                         case COMPARISON_EQ: TRACE("_eq"); break;
1062                         case COMPARISON_GE: TRACE("_ge"); break;
1063                         case COMPARISON_LT: TRACE("_lt"); break;
1064                         case COMPARISON_NE: TRACE("_ne"); break;
1065                         case COMPARISON_LE: TRACE("_le"); break;
1066                         default: TRACE("_(%u)", op);
1067                     }
1068                 }
1069                 else if (curOpcode->opcode == WINED3DSIO_TEX
1070                         && shader_version >= WINED3DPS_VERSION(2,0)
1071                         && (opcode_token & WINED3DSI_TEXLD_PROJECT))
1072                 {
1073                     TRACE("p");
1074                 }
1075
1076                 /* Destination token */
1077                 if (curOpcode->dst_token)
1078                 {
1079                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1080                     pToken += tokens_read;
1081
1082                     shader_dump_ins_modifiers(param);
1083                     TRACE(" ");
1084                     shader_dump_param(param, addr_token, 0, shader_version);
1085                 }
1086
1087                 /* Predication token - already printed out, just skip it */
1088                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1089                 {
1090                     pToken++;
1091                 }
1092
1093                 /* Other source tokens */
1094                 for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i)
1095                 {
1096                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1097                     pToken += tokens_read;
1098
1099                     TRACE((i == 0)? " " : ", ");
1100                     shader_dump_param(param, addr_token, 1, shader_version);
1101                 }
1102             }
1103             TRACE("\n");
1104         }
1105     }
1106 }
1107
1108 void shader_cleanup(IWineD3DBaseShader *iface)
1109 {
1110     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1111
1112     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1113     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1114     shader_delete_constant_list(&This->baseShader.constantsF);
1115     shader_delete_constant_list(&This->baseShader.constantsB);
1116     shader_delete_constant_list(&This->baseShader.constantsI);
1117     list_remove(&This->baseShader.shader_list_entry);
1118 }
1119
1120 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1121 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1122 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1123 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1124 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1125 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1126 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1127 static void shader_none_color_correction(const struct SHADER_OPCODE_ARG *arg, struct color_fixup_desc fixup) {}
1128 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1129 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1130 static void shader_none_free(IWineD3DDevice *iface) {}
1131 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1132 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface, SHADER_BUFFER *buffer, const struct ps_compile_args *args) {
1133     FIXME("NONE shader backend asked to generate a pixel shader\n");
1134     return 0;
1135 }
1136 static void shader_none_generate_vshader(IWineD3DVertexShader *iface, SHADER_BUFFER *buffer) {
1137     FIXME("NONE shader backend asked to generate a vertex shader\n");
1138 }
1139
1140 #define GLINFO_LOCATION      (*gl_info)
1141 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1142 {
1143     /* Set the shader caps to 0 for the none shader backend */
1144     pCaps->VertexShaderVersion  = 0;
1145     pCaps->PixelShaderVersion    = 0;
1146     pCaps->PixelShader1xMaxValue = 0.0;
1147 }
1148 #undef GLINFO_LOCATION
1149 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1150 {
1151     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1152     {
1153         TRACE("Checking support for fixup:\n");
1154         dump_color_fixup_desc(fixup);
1155     }
1156
1157     /* Faked to make some apps happy. */
1158     if (!is_yuv_fixup(fixup))
1159     {
1160         TRACE("[OK]\n");
1161         return TRUE;
1162     }
1163
1164     TRACE("[FAILED]\n");
1165     return FALSE;
1166 }
1167
1168 const shader_backend_t none_shader_backend = {
1169     shader_none_instruction_handler_table,
1170     shader_none_select,
1171     shader_none_select_depth_blt,
1172     shader_none_deselect_depth_blt,
1173     shader_none_update_float_vertex_constants,
1174     shader_none_update_float_pixel_constants,
1175     shader_none_load_constants,
1176     shader_none_color_correction,
1177     shader_none_destroy,
1178     shader_none_alloc,
1179     shader_none_free,
1180     shader_none_dirty_const,
1181     shader_none_generate_pshader,
1182     shader_none_generate_vshader,
1183     shader_none_get_caps,
1184     shader_none_color_fixup_supported,
1185 };