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 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_vaddline(SHADER_BUFFER* buffer, const char *format, va_list args)
  56 {
  57     char* base = buffer->buffer + buffer->bsize;
  58     int rc;
  59
  60     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  61
  62     if (rc < 0 ||                                   /* C89 */
  63         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  64
  65         ERR("The buffer allocated for the shader program string "
  66             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  67         buffer->bsize = SHADER_PGMSIZE - 1;
  68         return -1;
  69     }
  70
  71     if (buffer->newline) {
  72         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
  73         buffer->newline = FALSE;
  74     } else {
  75         TRACE("%s", base);
  76     }
  77
  78     buffer->bsize += rc;
  79     if (buffer->buffer[buffer->bsize-1] == '\n') {
  80         buffer->lineNo++;
  81         buffer->newline = TRUE;
  82     }
  83     return 0;
  84 }
  85
  86 int shader_addline(SHADER_BUFFER* buffer, const char *format, ...)
  87 {
  88     int ret;
  89     va_list args;
  90
  91     va_start(args, format);
  92     ret = shader_vaddline(buffer, format, args);
  93     va_end(args);
  94
  95     return ret;
  96 }
  97
  98 void shader_init(struct IWineD3DBaseShaderClass *shader,
  99         IWineD3DDevice *device, const SHADER_OPCODE *instruction_table)
 100 {
 101     shader->ref = 1;
 102     shader->device = device;
 103     shader->shader_ins = instruction_table;
 104     list_init(&shader->linked_programs);
 105 }
 106
 107 const SHADER_OPCODE *shader_get_opcode(const SHADER_OPCODE *opcode_table, DWORD shader_version, DWORD code)
 108 {
 109     DWORD i = 0;
 110
 111     /** TODO: use dichotomic search */
 112     while (opcode_table[i].name)
 113     {
 114         if ((code & WINED3DSI_OPCODE_MASK) == opcode_table[i].opcode
 115                 && shader_version >= opcode_table[i].min_version
 116                 && (!opcode_table[i].max_version || shader_version <= opcode_table[i].max_version))
 117         {
 118             return &opcode_table[i];
 119         }
 120         ++i;
 121     }
 122
 123     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
 124             code, code, code & WINED3DSI_OPCODE_MASK, shader_version);
 125
 126     return NULL;
 127 }
 128
 129 /* Read a parameter opcode from the input stream,
 130  * and possibly a relative addressing token.
 131  * Return the number of tokens read */
 132 static int shader_get_param(const DWORD *pToken, DWORD shader_version, DWORD *param, DWORD *addr_token)
 133 {
 134     /* PS >= 3.0 have relative addressing (with token)
 135      * VS >= 2.0 have relative addressing (with token)
 136      * VS >= 1.0 < 2.0 have relative addressing (without token)
 137      * The version check below should work in general */
 138
 139     char rel_token = WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2 &&
 140         ((*pToken & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 141
 142     *param = *pToken;
 143     *addr_token = rel_token? *(pToken + 1): 0;
 144     return rel_token? 2:1;
 145 }
 146
 147 /* Return the number of parameters to skip for an opcode */
 148 static inline int shader_skip_opcode(const SHADER_OPCODE *curOpcode, DWORD opcode_token, DWORD shader_version)
 149 {
 150    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 151     * have a useful length mask - use it here. Shaders 1.0 contain no such tokens */
 152     return (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2)
 153             ? ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT) : curOpcode->num_params;
 154 }
 155
 156 /* Read the parameters of an unrecognized opcode from the input stream
 157  * Return the number of tokens read.
 158  *
 159  * Note: This function assumes source or destination token format.
 160  * It will not work with specially-formatted tokens like DEF or DCL,
 161  * but hopefully those would be recognized */
 162 static int shader_skip_unrecognized(const DWORD *pToken, DWORD shader_version)
 163 {
 164     int tokens_read = 0;
 165     int i = 0;
 166
 167     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 168     while (*pToken & 0x80000000) {
 169
 170         DWORD param, addr_token;
 171         tokens_read += shader_get_param(pToken, shader_version, &param, &addr_token);
 172         pToken += tokens_read;
 173
 174         FIXME("Unrecognized opcode param: token=0x%08x "
 175             "addr_token=0x%08x name=", param, addr_token);
 176         shader_dump_param(param, addr_token, i, shader_version);
 177         FIXME("\n");
 178         ++i;
 179     }
 180     return tokens_read;
 181 }
 182
 183 /* Convert floating point offset relative
 184  * to a register file to an absolute offset for float constants */
 185 static unsigned int shader_get_float_offset(const DWORD reg)
 186 {
 187      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 188      int regtype = shader_get_regtype(reg);
 189
 190      switch (regtype) {
 191         case WINED3DSPR_CONST: return regnum;
 192         case WINED3DSPR_CONST2: return 2048 + regnum;
 193         case WINED3DSPR_CONST3: return 4096 + regnum;
 194         case WINED3DSPR_CONST4: return 6144 + regnum;
 195         default:
 196             FIXME("Unsupported register type: %d\n", regtype);
 197             return regnum;
 198      }
 199 }
 200
 201 static void shader_delete_constant_list(struct list* clist) {
 202
 203     struct list *ptr;
 204     struct local_constant* constant;
 205
 206     ptr = list_head(clist);
 207     while (ptr) {
 208         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 209         ptr = list_next(clist, ptr);
 210         HeapFree(GetProcessHeap(), 0, constant);
 211     }
 212     list_init(clist);
 213 }
 214
 215 static void shader_parse_dst_param(DWORD param, DWORD addr_param, struct wined3d_shader_dst_param *dst)
 216 {
 217     dst->register_type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
 218             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
 219     dst->register_idx = param & WINED3DSP_REGNUM_MASK;
 220     dst->write_mask = param & WINED3DSP_WRITEMASK_ALL;
 221     dst->modifiers = param & WINED3DSP_DSTMOD_MASK;
 222     dst->shift = (param & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 223     dst->has_rel_addr = param & WINED3DSHADER_ADDRMODE_RELATIVE;
 224     dst->addr_token = addr_param;
 225 }
 226
 227 static void shader_parse_src_param(DWORD param, DWORD addr_param, struct wined3d_shader_src_param *src)
 228 {
 229     src->register_type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
 230             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
 231     src->token = param;
 232     src->addr_token = addr_param;
 233 }
 234
 235 /* Note that this does not count the loop register
 236  * as an address register. */
 237
 238 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, struct shader_reg_maps *reg_maps,
 239         struct wined3d_shader_semantic *semantics_in, struct wined3d_shader_semantic *semantics_out,
 240         const DWORD *byte_code)
 241 {
 242     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 243     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
 244     DWORD shader_version;
 245     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 246     const DWORD* pToken = byte_code;
 247     char pshader;
 248
 249     /* There are some minor differences between pixel and vertex shaders */
 250
 251     memset(reg_maps->bumpmat, 0, sizeof(reg_maps->bumpmat));
 252     memset(reg_maps->luminanceparams, 0, sizeof(reg_maps->luminanceparams));
 253
 254     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 255      * in stacking up a collection of local constants. Delete the old constants if existing
 256      */
 257     shader_delete_constant_list(&This->baseShader.constantsF);
 258     shader_delete_constant_list(&This->baseShader.constantsB);
 259     shader_delete_constant_list(&This->baseShader.constantsI);
 260
 261     /* The version token is supposed to be the first token */
 262     if (!shader_is_version_token(*pToken))
 263     {
 264         FIXME("First token is not a version token, invalid shader.\n");
 265         return WINED3DERR_INVALIDCALL;
 266     }
 267     reg_maps->shader_version = shader_version = *pToken++;
 268     pshader = shader_is_pshader_version(shader_version);
 269
 270     while (WINED3DVS_END() != *pToken) {
 271         CONST SHADER_OPCODE* curOpcode;
 272         DWORD opcode_token;
 273
 274         /* Skip comments */
 275         if (shader_is_comment(*pToken))
 276         {
 277              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 278              ++pToken;
 279              pToken += comment_len;
 280              continue;
 281         }
 282
 283         /* Fetch opcode */
 284         opcode_token = *pToken++;
 285         curOpcode = shader_get_opcode(shader_ins, shader_version, opcode_token);
 286
 287         /* Unhandled opcode, and its parameters */
 288         if (NULL == curOpcode) {
 289            while (*pToken & 0x80000000)
 290                ++pToken;
 291
 292         /* Handle declarations */
 293         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 294
 295             DWORD usage = *pToken++;
 296             DWORD param = *pToken++;
 297             DWORD regtype = shader_get_regtype(param);
 298             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 299
 300             /* Vshader: mark attributes used
 301                Pshader: mark 3.0 input registers used, save token */
 302             if (WINED3DSPR_INPUT == regtype) {
 303
 304                 if (!pshader)
 305                     reg_maps->attributes[regnum] = 1;
 306                 else
 307                     reg_maps->packed_input[regnum] = 1;
 308
 309                 semantics_in[regnum].usage = (usage & WINED3DSP_DCL_USAGE_MASK) >> WINED3DSP_DCL_USAGE_SHIFT;
 310                 semantics_in[regnum].usage_idx =
 311                         (usage & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 312                 shader_parse_dst_param(param, 0, &semantics_in[regnum].reg);
 313
 314             /* Vshader: mark 3.0 output registers used, save token */
 315             } else if (WINED3DSPR_OUTPUT == regtype) {
 316                 reg_maps->packed_output[regnum] = 1;
 317                 semantics_out[regnum].usage = (usage & WINED3DSP_DCL_USAGE_MASK) >> WINED3DSP_DCL_USAGE_SHIFT;
 318                 semantics_out[regnum].usage_idx =
 319                         (usage & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 320                 shader_parse_dst_param(param, 0, &semantics_out[regnum].reg);
 321
 322                 if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
 323                     reg_maps->fog = 1;
 324
 325             /* Save sampler usage token */
 326             } else if (WINED3DSPR_SAMPLER == regtype)
 327                 reg_maps->samplers[regnum] = usage;
 328
 329         } else if (WINED3DSIO_DEF == 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, 4 * sizeof(DWORD));
 335
 336             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 337             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1 && pshader)
 338             {
 339                 float *value = (float *) lconst->value;
 340                 if(value[0] < -1.0) value[0] = -1.0;
 341                 else if(value[0] >  1.0) value[0] =  1.0;
 342                 if(value[1] < -1.0) value[1] = -1.0;
 343                 else if(value[1] >  1.0) value[1] =  1.0;
 344                 if(value[2] < -1.0) value[2] = -1.0;
 345                 else if(value[2] >  1.0) value[2] =  1.0;
 346                 if(value[3] < -1.0) value[3] = -1.0;
 347                 else if(value[3] >  1.0) value[3] =  1.0;
 348             }
 349
 350             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 351             pToken += curOpcode->num_params;
 352
 353         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 354
 355             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 356             if (!lconst) return E_OUTOFMEMORY;
 357             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 358             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 359             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 360             pToken += curOpcode->num_params;
 361
 362         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 363
 364             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 365             if (!lconst) return E_OUTOFMEMORY;
 366             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 367             memcpy(lconst->value, pToken + 1, 1 * sizeof(DWORD));
 368             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 369             pToken += curOpcode->num_params;
 370
 371         /* If there's a loop in the shader */
 372         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 373                    WINED3DSIO_REP == curOpcode->opcode) {
 374             cur_loop_depth++;
 375             if(cur_loop_depth > max_loop_depth)
 376                 max_loop_depth = cur_loop_depth;
 377             pToken += curOpcode->num_params;
 378
 379             /* Rep and Loop always use an integer constant for the control parameters */
 380             This->baseShader.uses_int_consts = TRUE;
 381         } else if (WINED3DSIO_ENDLOOP == curOpcode->opcode ||
 382                    WINED3DSIO_ENDREP == curOpcode->opcode) {
 383             cur_loop_depth--;
 384
 385         /* For subroutine prototypes */
 386         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 387
 388             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 389             reg_maps->labels[snum] = 1;
 390             pToken += curOpcode->num_params;
 391
 392         /* Set texture, address, temporary registers */
 393         } else {
 394             int i, limit;
 395
 396             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 397             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1
 398                     && pshader /* Filter different instructions with the same enum values in VS */
 399                     && (WINED3DSIO_TEX == curOpcode->opcode
 400                         || WINED3DSIO_TEXBEM == curOpcode->opcode
 401                         || WINED3DSIO_TEXBEML == curOpcode->opcode
 402                         || WINED3DSIO_TEXDP3TEX == curOpcode->opcode
 403                         || WINED3DSIO_TEXM3x2TEX == curOpcode->opcode
 404                         || WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode
 405                         || WINED3DSIO_TEXM3x3TEX == curOpcode->opcode
 406                         || WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode
 407                         || WINED3DSIO_TEXREG2AR == curOpcode->opcode
 408                         || WINED3DSIO_TEXREG2GB == curOpcode->opcode
 409                         || WINED3DSIO_TEXREG2RGB == curOpcode->opcode))
 410             {
 411                 /* Fake sampler usage, only set reserved bit and ttype */
 412                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 413
 414                 TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 415                 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 416
 417                 /* texbem is only valid with < 1.4 pixel shaders */
 418                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 419                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 420                     reg_maps->bumpmat[sampler_code] = TRUE;
 421                     if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 422                         reg_maps->luminanceparams[sampler_code] = TRUE;
 423                     }
 424                 }
 425             }
 426             if(WINED3DSIO_NRM  == curOpcode->opcode) {
 427                 reg_maps->usesnrm = 1;
 428             } else if(WINED3DSIO_BEM == curOpcode->opcode && pshader) {
 429                 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 430                 reg_maps->bumpmat[regnum] = TRUE;
 431             } else if(WINED3DSIO_DSY  == curOpcode->opcode) {
 432                 reg_maps->usesdsy = 1;
 433             }
 434
 435             /* This will loop over all the registers and try to
 436              * make a bitmask of the ones we're interested in.
 437              *
 438              * Relative addressing tokens are ignored, but that's
 439              * okay, since we'll catch any address registers when
 440              * they are initialized (required by spec) */
 441
 442             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 443                 curOpcode->num_params + 1: curOpcode->num_params;
 444
 445             for (i = 0; i < limit; ++i) {
 446
 447                 DWORD param, addr_token, reg, regtype;
 448                 pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 449
 450                 regtype = shader_get_regtype(param);
 451                 reg = param & WINED3DSP_REGNUM_MASK;
 452
 453                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 454
 455                     if (pshader)
 456                         reg_maps->texcoord[reg] = 1;
 457                     else
 458                         reg_maps->address[reg] = 1;
 459                 }
 460
 461                 else if (WINED3DSPR_TEMP == regtype)
 462                     reg_maps->temporary[reg] = 1;
 463
 464                 else if (WINED3DSPR_INPUT == regtype) {
 465                     if( !pshader)
 466                         reg_maps->attributes[reg] = 1;
 467                     else {
 468                         if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 469                             /* If relative addressing is used, we must assume that all registers
 470                              * are used. Even if it is a construct like v3[aL], we can't assume
 471                              * that v0, v1 and v2 aren't read because aL can be negative
 472                              */
 473                             unsigned int i;
 474                             for(i = 0; i < MAX_REG_INPUT; i++) {
 475                                 ((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
 476                             }
 477                         } else {
 478                             ((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
 479                         }
 480                     }
 481                 }
 482
 483                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 484                     reg_maps->fog = 1;
 485
 486                 else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
 487                     reg_maps->vpos = 1;
 488
 489                 else if(WINED3DSPR_CONST == regtype) {
 490                     if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 491                         if(!pshader) {
 492                             if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
 493                                 ((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
 494                             } else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
 495                                 ((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
 496                             }
 497                         }
 498                         reg_maps->usesrelconstF = TRUE;
 499                     }
 500                 }
 501                 else if(WINED3DSPR_CONSTINT == regtype) {
 502                     This->baseShader.uses_int_consts = TRUE;
 503                 }
 504                 else if(WINED3DSPR_CONSTBOOL == regtype) {
 505                     This->baseShader.uses_bool_consts = TRUE;
 506                 }
 507
 508                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and is used
 509                  * in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel shaders because TECRDOUT
 510                  * isn't used in them, but future register types might cause issues
 511                  */
 512                 else if (WINED3DSPR_TEXCRDOUT == regtype && i == 0 /* Only look at writes */
 513                         && !pshader && WINED3DSHADER_VERSION_MAJOR(shader_version) < 3)
 514                 {
 515                     reg_maps->texcoord_mask[reg] |= shader_get_writemask(param);
 516                 }
 517             }
 518         }
 519     }
 520     ++pToken;
 521     reg_maps->loop_depth = max_loop_depth;
 522
 523     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 524
 525     return WINED3D_OK;
 526 }
 527
 528 static void shader_dump_decl_usage(DWORD decl, DWORD param, DWORD shader_version)
 529 {
 530     DWORD regtype = shader_get_regtype(param);
 531
 532     TRACE("dcl");
 533
 534     if (regtype == WINED3DSPR_SAMPLER) {
 535         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 536
 537         switch (ttype) {
 538             case WINED3DSTT_2D: TRACE("_2d"); break;
 539             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 540             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 541             default: TRACE("_unknown_ttype(0x%08x)", ttype);
 542        }
 543
 544     } else {
 545
 546         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 547         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 548
 549         /* Pixel shaders 3.0 don't have usage semantics */
 550         if (shader_is_pshader_version(shader_version) && shader_version < WINED3DPS_VERSION(3,0))
 551             return;
 552         else
 553             TRACE("_");
 554
 555         switch(usage) {
 556         case WINED3DDECLUSAGE_POSITION:
 557             TRACE("position%d", idx);
 558             break;
 559         case WINED3DDECLUSAGE_BLENDINDICES:
 560             TRACE("blend");
 561             break;
 562         case WINED3DDECLUSAGE_BLENDWEIGHT:
 563             TRACE("weight");
 564             break;
 565         case WINED3DDECLUSAGE_NORMAL:
 566             TRACE("normal%d", idx);
 567             break;
 568         case WINED3DDECLUSAGE_PSIZE:
 569             TRACE("psize");
 570             break;
 571         case WINED3DDECLUSAGE_COLOR:
 572             if(idx == 0)  {
 573                 TRACE("color");
 574             } else {
 575                 TRACE("specular%d", (idx - 1));
 576             }
 577             break;
 578         case WINED3DDECLUSAGE_TEXCOORD:
 579             TRACE("texture%d", idx);
 580             break;
 581         case WINED3DDECLUSAGE_TANGENT:
 582             TRACE("tangent");
 583             break;
 584         case WINED3DDECLUSAGE_BINORMAL:
 585             TRACE("binormal");
 586             break;
 587         case WINED3DDECLUSAGE_TESSFACTOR:
 588             TRACE("tessfactor");
 589             break;
 590         case WINED3DDECLUSAGE_POSITIONT:
 591             TRACE("positionT%d", idx);
 592             break;
 593         case WINED3DDECLUSAGE_FOG:
 594             TRACE("fog");
 595             break;
 596         case WINED3DDECLUSAGE_DEPTH:
 597             TRACE("depth");
 598             break;
 599         case WINED3DDECLUSAGE_SAMPLE:
 600             TRACE("sample");
 601             break;
 602         default:
 603             FIXME("unknown_semantics(0x%08x)", usage);
 604         }
 605     }
 606 }
 607
 608 static void shader_dump_arr_entry(const DWORD param, const DWORD addr_token,
 609         unsigned int reg, int input, DWORD shader_version)
 610 {
 611     char relative =
 612         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 613
 614     if (relative) {
 615         TRACE("[");
 616         if (addr_token)
 617             shader_dump_param(addr_token, 0, input, shader_version);
 618         else
 619             TRACE("a0.x");
 620         TRACE(" + ");
 621      }
 622      TRACE("%u", reg);
 623      if (relative)
 624          TRACE("]");
 625 }
 626
 627 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version)
 628 {
 629     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 630     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 631     const char *swizzle_reg_chars = "xyzw";
 632
 633     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 634     DWORD regtype = shader_get_regtype(param);
 635     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 636
 637     /* There are some minor differences between pixel and vertex shaders */
 638     char pshader = shader_is_pshader_version(shader_version);
 639
 640     if (input) {
 641         if ( (modifier == WINED3DSPSM_NEG) ||
 642              (modifier == WINED3DSPSM_BIASNEG) ||
 643              (modifier == WINED3DSPSM_SIGNNEG) ||
 644              (modifier == WINED3DSPSM_X2NEG) ||
 645              (modifier == WINED3DSPSM_ABSNEG) )
 646             TRACE("-");
 647         else if (modifier == WINED3DSPSM_COMP)
 648             TRACE("1-");
 649         else if (modifier == WINED3DSPSM_NOT)
 650             TRACE("!");
 651
 652         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 653             TRACE("abs(");
 654     }
 655
 656     switch (regtype) {
 657         case WINED3DSPR_TEMP:
 658             TRACE("r%u", reg);
 659             break;
 660         case WINED3DSPR_INPUT:
 661             TRACE("v");
 662             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 663             break;
 664         case WINED3DSPR_CONST:
 665         case WINED3DSPR_CONST2:
 666         case WINED3DSPR_CONST3:
 667         case WINED3DSPR_CONST4:
 668             TRACE("c");
 669             shader_dump_arr_entry(param, addr_token, shader_get_float_offset(param), input, shader_version);
 670             break;
 671         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 672             TRACE("%c%u", (pshader? 't':'a'), reg);
 673             break;
 674         case WINED3DSPR_RASTOUT:
 675             TRACE("%s", rastout_reg_names[reg]);
 676             break;
 677         case WINED3DSPR_COLOROUT:
 678             TRACE("oC%u", reg);
 679             break;
 680         case WINED3DSPR_DEPTHOUT:
 681             TRACE("oDepth");
 682             break;
 683         case WINED3DSPR_ATTROUT:
 684             TRACE("oD%u", reg);
 685             break;
 686         case WINED3DSPR_TEXCRDOUT:
 687
 688             /* Vertex shaders >= 3.0 use general purpose output registers
 689              * (WINED3DSPR_OUTPUT), which can include an address token */
 690
 691             if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) {
 692                 TRACE("o");
 693                 shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 694             }
 695             else
 696                TRACE("oT%u", reg);
 697             break;
 698         case WINED3DSPR_CONSTINT:
 699             TRACE("i");
 700             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 701             break;
 702         case WINED3DSPR_CONSTBOOL:
 703             TRACE("b");
 704             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 705             break;
 706         case WINED3DSPR_LABEL:
 707             TRACE("l%u", reg);
 708             break;
 709         case WINED3DSPR_LOOP:
 710             TRACE("aL");
 711             break;
 712         case WINED3DSPR_SAMPLER:
 713             TRACE("s%u", reg);
 714             break;
 715         case WINED3DSPR_MISCTYPE:
 716             if (reg > 1) {
 717                 FIXME("Unhandled misctype register %d\n", reg);
 718             } else {
 719                 TRACE("%s", misctype_reg_names[reg]);
 720             }
 721             break;
 722         case WINED3DSPR_PREDICATE:
 723             TRACE("p%u", reg);
 724             break;
 725         default:
 726             TRACE("unhandled_rtype(%#x)", regtype);
 727             break;
 728    }
 729
 730    if (!input) {
 731        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 732
 733        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 734            TRACE(".");
 735            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 736            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 737            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 738            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 739        }
 740
 741    } else {
 742         /** operand input */
 743         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 744         DWORD swizzle_x = swizzle & 0x03;
 745         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 746         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 747         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 748
 749         if (0 != modifier) {
 750             switch (modifier) {
 751                 case WINED3DSPSM_NONE:    break;
 752                 case WINED3DSPSM_NEG:     break;
 753                 case WINED3DSPSM_NOT:     break;
 754                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 755                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 756                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 757                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 758                 case WINED3DSPSM_COMP:    break;
 759                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 760                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 761                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 762                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 763                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 764                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 765                 default:
 766                     TRACE("_unknown_modifier(%#x)", modifier >> WINED3DSP_SRCMOD_SHIFT);
 767             }
 768         }
 769
 770         /**
 771         * swizzle bits fields:
 772         *  RRGGBBAA
 773         */
 774         if ((WINED3DVS_NOSWIZZLE >> WINED3DVS_SWIZZLE_SHIFT) != swizzle) {
 775             if (swizzle_x == swizzle_y &&
 776                 swizzle_x == swizzle_z &&
 777                 swizzle_x == swizzle_w) {
 778                     TRACE(".%c", swizzle_reg_chars[swizzle_x]);
 779             } else {
 780                 TRACE(".%c%c%c%c",
 781                 swizzle_reg_chars[swizzle_x],
 782                 swizzle_reg_chars[swizzle_y],
 783                 swizzle_reg_chars[swizzle_z],
 784                 swizzle_reg_chars[swizzle_w]);
 785             }
 786         }
 787     }
 788 }
 789
 790 /* Shared code in order to generate the bulk of the shader string.
 791  * NOTE: A description of how to parse tokens can be found on msdn */
 792 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
 793         const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
 794 {
 795     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 796     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 797     const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
 798     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 799     DWORD shader_version = reg_maps->shader_version;
 800     struct wined3d_shader_src_param src_param[4];
 801     struct wined3d_shader_dst_param dst_param;
 802     struct wined3d_shader_instruction ins;
 803     struct wined3d_shader_context ctx;
 804     const DWORD *pToken = pFunction;
 805     const SHADER_OPCODE *curOpcode;
 806     SHADER_HANDLER hw_fct;
 807     DWORD i;
 808
 809     /* Initialize current parsing state */
 810     ctx.shader = iface;
 811     ctx.reg_maps = reg_maps;
 812     ctx.buffer = buffer;
 813
 814     ins.ctx = &ctx;
 815     ins.dst = &dst_param;
 816     ins.src = src_param;
 817     This->baseShader.parse_state.current_row = 0;
 818
 819     while (WINED3DPS_END() != *pToken)
 820     {
 821         DWORD opcode_token;
 822
 823         /* Skip version token */
 824         if (shader_is_version_token(*pToken))
 825         {
 826             ++pToken;
 827             continue;
 828         }
 829
 830         /* Skip comment tokens */
 831         if (shader_is_comment(*pToken))
 832         {
 833             pToken += (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 834             ++pToken;
 835             continue;
 836         }
 837
 838         /* Read opcode */
 839         opcode_token = *pToken++;
 840         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
 841
 842         /* Unknown opcode and its parameters */
 843         if (!curOpcode)
 844         {
 845             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
 846             pToken += shader_skip_unrecognized(pToken, shader_version);
 847             continue;
 848         }
 849
 850         /* Nothing to do */
 851         if (WINED3DSIO_DCL == curOpcode->opcode
 852                 || WINED3DSIO_NOP == curOpcode->opcode
 853                 || WINED3DSIO_DEF == curOpcode->opcode
 854                 || WINED3DSIO_DEFI == curOpcode->opcode
 855                 || WINED3DSIO_DEFB == curOpcode->opcode
 856                 || WINED3DSIO_PHASE == curOpcode->opcode
 857                 || WINED3DSIO_RET == curOpcode->opcode)
 858         {
 859             pToken += shader_skip_opcode(curOpcode, opcode_token, shader_version);
 860             continue;
 861         }
 862
 863         /* Select handler */
 864         hw_fct = handler_table[curOpcode->handler_idx];
 865
 866         /* Unhandled opcode */
 867         if (!hw_fct)
 868         {
 869             FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 870             pToken += shader_skip_opcode(curOpcode, opcode_token, shader_version);
 871             continue;
 872         }
 873
 874         ins.handler_idx = curOpcode->handler_idx;
 875         ins.flags = opcode_token & WINED3D_OPCODESPECIFICCONTROL_MASK;
 876         ins.coissue = opcode_token & WINED3DSI_COISSUE;
 877
 878         /* Destination token */
 879         ins.dst_count = curOpcode->dst_token ? 1 : 0;
 880         if (ins.dst_count)
 881         {
 882             DWORD param, addr_param = 0;
 883             pToken += shader_get_param(pToken, shader_version, &param, &addr_param);
 884             shader_parse_dst_param(param, addr_param, &dst_param);
 885         }
 886
 887         /* Predication token */
 888         if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) ins.predicate = *pToken++;
 889
 890         /* Other source tokens */
 891         ins.src_count = curOpcode->num_params - curOpcode->dst_token;
 892         for (i = 0; i < ins.src_count; ++i)
 893         {
 894             DWORD param, addr_token = 0;
 895             pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 896             shader_parse_src_param(param, addr_token, &src_param[i]);
 897         }
 898
 899         /* Call appropriate function for output target */
 900         hw_fct(&ins);
 901
 902         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 903         /* FIXME: This should be internal to the shader backend.
 904          * Also, right now this is the only reason "shader_mode" exists. */
 905         if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&ins);
 906     }
 907 }
 908
 909 static void shader_dump_ins_modifiers(const DWORD output)
 910 {
 911     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 912     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 913
 914     switch (shift) {
 915         case 0: break;
 916         case 13: TRACE("_d8"); break;
 917         case 14: TRACE("_d4"); break;
 918         case 15: TRACE("_d2"); break;
 919         case 1: TRACE("_x2"); break;
 920         case 2: TRACE("_x4"); break;
 921         case 3: TRACE("_x8"); break;
 922         default: TRACE("_unhandled_shift(%d)", shift); break;
 923     }
 924
 925     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 926     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 927     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 928
 929     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 930     if (mmask)
 931         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 932 }
 933
 934 void shader_trace_init(const DWORD *pFunction, const SHADER_OPCODE *opcode_table)
 935 {
 936     const DWORD* pToken = pFunction;
 937     const SHADER_OPCODE* curOpcode = NULL;
 938     DWORD shader_version;
 939     DWORD opcode_token;
 940     DWORD i;
 941
 942     TRACE("Parsing %p\n", pFunction);
 943
 944     /* The version token is supposed to be the first token */
 945     if (!shader_is_version_token(*pToken))
 946     {
 947         FIXME("First token is not a version token, invalid shader.\n");
 948         return;
 949     }
 950     shader_version = *pToken++;
 951     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version) ? "ps": "vs",
 952             WINED3DSHADER_VERSION_MAJOR(shader_version), WINED3DSHADER_VERSION_MINOR(shader_version));
 953
 954     while (WINED3DVS_END() != *pToken)
 955     {
 956         if (shader_is_comment(*pToken)) /* comment */
 957         {
 958             DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 959             ++pToken;
 960             TRACE("//%s\n", (const char*)pToken);
 961             pToken += comment_len;
 962             continue;
 963         }
 964         opcode_token = *pToken++;
 965         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
 966
 967         if (!curOpcode)
 968         {
 969             int tokens_read;
 970             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
 971             tokens_read = shader_skip_unrecognized(pToken, shader_version);
 972             pToken += tokens_read;
 973         }
 974         else
 975         {
 976             if (curOpcode->opcode == WINED3DSIO_DCL)
 977             {
 978                 DWORD usage = *pToken;
 979                 DWORD param = *(pToken + 1);
 980
 981                 shader_dump_decl_usage(usage, param, shader_version);
 982                 shader_dump_ins_modifiers(param);
 983                 TRACE(" ");
 984                 shader_dump_param(param, 0, 0, shader_version);
 985                 pToken += 2;
 986             }
 987             else if (curOpcode->opcode == WINED3DSIO_DEF)
 988             {
 989                 unsigned int offset = shader_get_float_offset(*pToken);
 990
 991                 TRACE("def c%u = %f, %f, %f, %f", offset,
 992                         *(const float *)(pToken + 1),
 993                         *(const float *)(pToken + 2),
 994                         *(const float *)(pToken + 3),
 995                         *(const float *)(pToken + 4));
 996                 pToken += 5;
 997             }
 998             else if (curOpcode->opcode == WINED3DSIO_DEFI)
 999             {
1000                 TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
1001                         *(pToken + 1),
1002                         *(pToken + 2),
1003                         *(pToken + 3),
1004                         *(pToken + 4));
1005                 pToken += 5;
1006             }
1007             else if (curOpcode->opcode == WINED3DSIO_DEFB)
1008             {
1009                 TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
1010                         *(pToken + 1)? "true": "false");
1011                 pToken += 2;
1012             }
1013             else
1014             {
1015                 DWORD param, addr_token;
1016                 int tokens_read;
1017
1018                 /* Print out predication source token first - it follows
1019                  * the destination token. */
1020                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1021                 {
1022                     TRACE("(");
1023                     shader_dump_param(*(pToken + 2), 0, 1, shader_version);
1024                     TRACE(") ");
1025                 }
1026                 if (opcode_token & WINED3DSI_COISSUE)
1027                 {
1028                     /* PixWin marks instructions with the coissue flag with a '+' */
1029                     TRACE("+");
1030                 }
1031
1032                 TRACE("%s", curOpcode->name);
1033
1034                 if (curOpcode->opcode == WINED3DSIO_IFC
1035                         || curOpcode->opcode == WINED3DSIO_BREAKC)
1036                 {
1037                     DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1038
1039                     switch (op)
1040                     {
1041                         case COMPARISON_GT: TRACE("_gt"); break;
1042                         case COMPARISON_EQ: TRACE("_eq"); break;
1043                         case COMPARISON_GE: TRACE("_ge"); break;
1044                         case COMPARISON_LT: TRACE("_lt"); break;
1045                         case COMPARISON_NE: TRACE("_ne"); break;
1046                         case COMPARISON_LE: TRACE("_le"); break;
1047                         default: TRACE("_(%u)", op);
1048                     }
1049                 }
1050                 else if (curOpcode->opcode == WINED3DSIO_TEX
1051                         && shader_version >= WINED3DPS_VERSION(2,0)
1052                         && (opcode_token & WINED3DSI_TEXLD_PROJECT))
1053                 {
1054                     TRACE("p");
1055                 }
1056
1057                 /* Destination token */
1058                 if (curOpcode->dst_token)
1059                 {
1060                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1061                     pToken += tokens_read;
1062
1063                     shader_dump_ins_modifiers(param);
1064                     TRACE(" ");
1065                     shader_dump_param(param, addr_token, 0, shader_version);
1066                 }
1067
1068                 /* Predication token - already printed out, just skip it */
1069                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1070                 {
1071                     pToken++;
1072                 }
1073
1074                 /* Other source tokens */
1075                 for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i)
1076                 {
1077                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1078                     pToken += tokens_read;
1079
1080                     TRACE((i == 0)? " " : ", ");
1081                     shader_dump_param(param, addr_token, 1, shader_version);
1082                 }
1083             }
1084             TRACE("\n");
1085         }
1086     }
1087 }
1088
1089 void shader_cleanup(IWineD3DBaseShader *iface)
1090 {
1091     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1092
1093     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1094     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1095     shader_delete_constant_list(&This->baseShader.constantsF);
1096     shader_delete_constant_list(&This->baseShader.constantsB);
1097     shader_delete_constant_list(&This->baseShader.constantsI);
1098     list_remove(&This->baseShader.shader_list_entry);
1099 }
1100
1101 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1102 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1103 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1104 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1105 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1106 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1107 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1108 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1109 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1110 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1111 static void shader_none_free(IWineD3DDevice *iface) {}
1112 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1113 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface, SHADER_BUFFER *buffer, const struct ps_compile_args *args) {
1114     FIXME("NONE shader backend asked to generate a pixel shader\n");
1115     return 0;
1116 }
1117 static GLuint shader_none_generate_vshader(IWineD3DVertexShader *iface, SHADER_BUFFER *buffer, const struct vs_compile_args *args) {
1118     FIXME("NONE shader backend asked to generate a vertex shader\n");
1119     return 0;
1120 }
1121
1122 #define GLINFO_LOCATION      (*gl_info)
1123 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1124 {
1125     /* Set the shader caps to 0 for the none shader backend */
1126     pCaps->VertexShaderVersion  = 0;
1127     pCaps->PixelShaderVersion    = 0;
1128     pCaps->PixelShader1xMaxValue = 0.0;
1129 }
1130 #undef GLINFO_LOCATION
1131 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1132 {
1133     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1134     {
1135         TRACE("Checking support for fixup:\n");
1136         dump_color_fixup_desc(fixup);
1137     }
1138
1139     /* Faked to make some apps happy. */
1140     if (!is_yuv_fixup(fixup))
1141     {
1142         TRACE("[OK]\n");
1143         return TRUE;
1144     }
1145
1146     TRACE("[FAILED]\n");
1147     return FALSE;
1148 }
1149
1150 const shader_backend_t none_shader_backend = {
1151     shader_none_instruction_handler_table,
1152     shader_none_select,
1153     shader_none_select_depth_blt,
1154     shader_none_deselect_depth_blt,
1155     shader_none_update_float_vertex_constants,
1156     shader_none_update_float_pixel_constants,
1157     shader_none_load_constants,
1158     shader_none_load_np2fixup_constants,
1159     shader_none_destroy,
1160     shader_none_alloc,
1161     shader_none_free,
1162     shader_none_dirty_const,
1163     shader_none_generate_pshader,
1164     shader_none_generate_vshader,
1165     shader_none_get_caps,
1166     shader_none_color_fixup_supported,
1167 };