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  * Copyright 2009 Henri Verbeet for CodeWeavers
  11  *
  12  * This library is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU Lesser General Public
  14  * License as published by the Free Software Foundation; either
  15  * version 2.1 of the License, or (at your option) any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful,
  18  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  20  * Lesser General Public License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public
  23  * License along with this library; if not, write to the Free Software
  24  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  25  */
  26
  27 #include "config.h"
  28 #include <string.h>
  29 #include <stdio.h>
  30 #include "wined3d_private.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  33 WINE_DECLARE_DEBUG_CHANNEL(d3d);
  34
  35 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version);
  36
  37 static inline BOOL shader_is_version_token(DWORD token) {
  38     return shader_is_pshader_version(token) ||
  39            shader_is_vshader_version(token);
  40 }
  41
  42 void shader_buffer_init(struct SHADER_BUFFER *buffer)
  43 {
  44     buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
  45     buffer->buffer[0] = '\0';
  46     buffer->bsize = 0;
  47     buffer->lineNo = 0;
  48     buffer->newline = TRUE;
  49 }
  50
  51 void shader_buffer_free(struct SHADER_BUFFER *buffer)
  52 {
  53     HeapFree(GetProcessHeap(), 0, buffer->buffer);
  54 }
  55
  56 int shader_vaddline(SHADER_BUFFER* buffer, const char *format, va_list args)
  57 {
  58     char* base = buffer->buffer + buffer->bsize;
  59     int rc;
  60
  61     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
  62
  63     if (rc < 0 ||                                   /* C89 */
  64         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
  65
  66         ERR("The buffer allocated for the shader program string "
  67             "is too small at %d bytes.\n", SHADER_PGMSIZE);
  68         buffer->bsize = SHADER_PGMSIZE - 1;
  69         return -1;
  70     }
  71
  72     if (buffer->newline) {
  73         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
  74         buffer->newline = FALSE;
  75     } else {
  76         TRACE("%s", base);
  77     }
  78
  79     buffer->bsize += rc;
  80     if (buffer->buffer[buffer->bsize-1] == '\n') {
  81         buffer->lineNo++;
  82         buffer->newline = TRUE;
  83     }
  84     return 0;
  85 }
  86
  87 int shader_addline(SHADER_BUFFER* buffer, const char *format, ...)
  88 {
  89     int ret;
  90     va_list args;
  91
  92     va_start(args, format);
  93     ret = shader_vaddline(buffer, format, args);
  94     va_end(args);
  95
  96     return ret;
  97 }
  98
  99 void shader_init(struct IWineD3DBaseShaderClass *shader,
 100         IWineD3DDevice *device, const SHADER_OPCODE *instruction_table)
 101 {
 102     shader->ref = 1;
 103     shader->device = device;
 104     shader->shader_ins = instruction_table;
 105     list_init(&shader->linked_programs);
 106 }
 107
 108 const SHADER_OPCODE *shader_get_opcode(const SHADER_OPCODE *opcode_table, DWORD shader_version, DWORD code)
 109 {
 110     DWORD i = 0;
 111
 112     /** TODO: use dichotomic search */
 113     while (opcode_table[i].name)
 114     {
 115         if ((code & WINED3DSI_OPCODE_MASK) == opcode_table[i].opcode
 116                 && shader_version >= opcode_table[i].min_version
 117                 && (!opcode_table[i].max_version || shader_version <= opcode_table[i].max_version))
 118         {
 119             return &opcode_table[i];
 120         }
 121         ++i;
 122     }
 123
 124     FIXME("Unsupported opcode %#x(%d) masked %#x, shader version %#x\n",
 125             code, code, code & WINED3DSI_OPCODE_MASK, shader_version);
 126
 127     return NULL;
 128 }
 129
 130 /* Read a parameter opcode from the input stream,
 131  * and possibly a relative addressing token.
 132  * Return the number of tokens read */
 133 static int shader_get_param(const DWORD *pToken, DWORD shader_version, DWORD *param, DWORD *addr_token)
 134 {
 135     UINT count = 1;
 136
 137     *param = *pToken;
 138
 139     /* PS >= 3.0 have relative addressing (with token)
 140      * VS >= 2.0 have relative addressing (with token)
 141      * VS >= 1.0 < 2.0 have relative addressing (without token)
 142      * The version check below should work in general */
 143     if (*pToken & WINED3DSHADER_ADDRMODE_RELATIVE)
 144     {
 145         if (WINED3DSHADER_VERSION_MAJOR(shader_version) < 2)
 146         {
 147             *addr_token = (1 << 31)
 148                     | ((WINED3DSPR_ADDR << WINED3DSP_REGTYPE_SHIFT2) & WINED3DSP_REGTYPE_MASK2)
 149                     | ((WINED3DSPR_ADDR << WINED3DSP_REGTYPE_SHIFT) & WINED3DSP_REGTYPE_MASK)
 150                     | (WINED3DSP_NOSWIZZLE << WINED3DSP_SWIZZLE_SHIFT);
 151         }
 152         else
 153         {
 154             *addr_token = *(pToken + 1);
 155             ++count;
 156         }
 157     }
 158
 159     return count;
 160 }
 161
 162 /* Return the number of parameters to skip for an opcode */
 163 static inline int shader_skip_opcode(const SHADER_OPCODE *curOpcode, DWORD opcode_token, DWORD shader_version)
 164 {
 165    /* Shaders >= 2.0 may contain address tokens, but fortunately they
 166     * have a useful length mask - use it here. Shaders 1.0 contain no such tokens */
 167     return (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 2)
 168             ? ((opcode_token & WINED3DSI_INSTLENGTH_MASK) >> WINED3DSI_INSTLENGTH_SHIFT) : curOpcode->num_params;
 169 }
 170
 171 /* Read the parameters of an unrecognized opcode from the input stream
 172  * Return the number of tokens read.
 173  *
 174  * Note: This function assumes source or destination token format.
 175  * It will not work with specially-formatted tokens like DEF or DCL,
 176  * but hopefully those would be recognized */
 177 static int shader_skip_unrecognized(const DWORD *pToken, DWORD shader_version)
 178 {
 179     int tokens_read = 0;
 180     int i = 0;
 181
 182     /* TODO: Think of a good name for 0x80000000 and replace it with a constant */
 183     while (*pToken & 0x80000000) {
 184
 185         DWORD param, addr_token = 0;
 186         tokens_read += shader_get_param(pToken, shader_version, &param, &addr_token);
 187         pToken += tokens_read;
 188
 189         FIXME("Unrecognized opcode param: token=0x%08x "
 190             "addr_token=0x%08x name=", param, addr_token);
 191         shader_dump_param(param, addr_token, i, shader_version);
 192         FIXME("\n");
 193         ++i;
 194     }
 195     return tokens_read;
 196 }
 197
 198 /* Convert floating point offset relative
 199  * to a register file to an absolute offset for float constants */
 200 static unsigned int shader_get_float_offset(const DWORD reg)
 201 {
 202      unsigned int regnum = reg & WINED3DSP_REGNUM_MASK;
 203      int regtype = shader_get_regtype(reg);
 204
 205      switch (regtype) {
 206         case WINED3DSPR_CONST: return regnum;
 207         case WINED3DSPR_CONST2: return 2048 + regnum;
 208         case WINED3DSPR_CONST3: return 4096 + regnum;
 209         case WINED3DSPR_CONST4: return 6144 + regnum;
 210         default:
 211             FIXME("Unsupported register type: %d\n", regtype);
 212             return regnum;
 213      }
 214 }
 215
 216 static void shader_delete_constant_list(struct list* clist) {
 217
 218     struct list *ptr;
 219     struct local_constant* constant;
 220
 221     ptr = list_head(clist);
 222     while (ptr) {
 223         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 224         ptr = list_next(clist, ptr);
 225         HeapFree(GetProcessHeap(), 0, constant);
 226     }
 227     list_init(clist);
 228 }
 229
 230 static void shader_parse_dst_param(DWORD param, const struct wined3d_shader_src_param *rel_addr,
 231         struct wined3d_shader_dst_param *dst)
 232 {
 233     dst->register_type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
 234             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
 235     dst->register_idx = param & WINED3DSP_REGNUM_MASK;
 236     dst->write_mask = param & WINED3DSP_WRITEMASK_ALL;
 237     dst->modifiers = param & WINED3DSP_DSTMOD_MASK;
 238     dst->shift = (param & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 239     dst->rel_addr = rel_addr;
 240 }
 241
 242 static void shader_parse_src_param(DWORD param, const struct wined3d_shader_src_param *rel_addr,
 243         struct wined3d_shader_src_param *src)
 244 {
 245     src->register_type = ((param & WINED3DSP_REGTYPE_MASK) >> WINED3DSP_REGTYPE_SHIFT)
 246             | ((param & WINED3DSP_REGTYPE_MASK2) >> WINED3DSP_REGTYPE_SHIFT2);
 247     src->register_idx = param & WINED3DSP_REGNUM_MASK;
 248     src->swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 249     src->modifiers = (param & WINED3DSP_SRCMOD_MASK) >> WINED3DSP_SRCMOD_SHIFT;
 250     src->rel_addr = rel_addr;
 251 }
 252
 253 /* Note that this does not count the loop register
 254  * as an address register. */
 255
 256 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, struct shader_reg_maps *reg_maps,
 257         struct wined3d_shader_semantic *semantics_in, struct wined3d_shader_semantic *semantics_out,
 258         const DWORD *byte_code)
 259 {
 260     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 261     const SHADER_OPCODE *shader_ins = This->baseShader.shader_ins;
 262     DWORD shader_version;
 263     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 264     const DWORD* pToken = byte_code;
 265     char pshader;
 266
 267     /* There are some minor differences between pixel and vertex shaders */
 268
 269     memset(reg_maps->bumpmat, 0, sizeof(reg_maps->bumpmat));
 270     memset(reg_maps->luminanceparams, 0, sizeof(reg_maps->luminanceparams));
 271
 272     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 273      * in stacking up a collection of local constants. Delete the old constants if existing
 274      */
 275     shader_delete_constant_list(&This->baseShader.constantsF);
 276     shader_delete_constant_list(&This->baseShader.constantsB);
 277     shader_delete_constant_list(&This->baseShader.constantsI);
 278
 279     /* The version token is supposed to be the first token */
 280     if (!shader_is_version_token(*pToken))
 281     {
 282         FIXME("First token is not a version token, invalid shader.\n");
 283         return WINED3DERR_INVALIDCALL;
 284     }
 285     reg_maps->shader_version = shader_version = *pToken++;
 286     pshader = shader_is_pshader_version(shader_version);
 287
 288     while (WINED3DVS_END() != *pToken) {
 289         CONST SHADER_OPCODE* curOpcode;
 290         DWORD opcode_token;
 291
 292         /* Skip comments */
 293         if (shader_is_comment(*pToken))
 294         {
 295              DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 296              ++pToken;
 297              pToken += comment_len;
 298              continue;
 299         }
 300
 301         /* Fetch opcode */
 302         opcode_token = *pToken++;
 303         curOpcode = shader_get_opcode(shader_ins, shader_version, opcode_token);
 304
 305         /* Unhandled opcode, and its parameters */
 306         if (NULL == curOpcode) {
 307            while (*pToken & 0x80000000)
 308                ++pToken;
 309
 310         /* Handle declarations */
 311         } else if (WINED3DSIO_DCL == curOpcode->opcode) {
 312
 313             DWORD usage = *pToken++;
 314             DWORD param = *pToken++;
 315             DWORD regtype = shader_get_regtype(param);
 316             unsigned int regnum = param & WINED3DSP_REGNUM_MASK;
 317
 318             /* Vshader: mark attributes used
 319                Pshader: mark 3.0 input registers used, save token */
 320             if (WINED3DSPR_INPUT == regtype) {
 321
 322                 if (!pshader)
 323                     reg_maps->attributes[regnum] = 1;
 324                 else
 325                     reg_maps->packed_input[regnum] = 1;
 326
 327                 semantics_in[regnum].usage = (usage & WINED3DSP_DCL_USAGE_MASK) >> WINED3DSP_DCL_USAGE_SHIFT;
 328                 semantics_in[regnum].usage_idx =
 329                         (usage & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 330                 shader_parse_dst_param(param, NULL, &semantics_in[regnum].reg);
 331
 332             /* Vshader: mark 3.0 output registers used, save token */
 333             } else if (WINED3DSPR_OUTPUT == regtype) {
 334                 reg_maps->packed_output[regnum] = 1;
 335                 semantics_out[regnum].usage = (usage & WINED3DSP_DCL_USAGE_MASK) >> WINED3DSP_DCL_USAGE_SHIFT;
 336                 semantics_out[regnum].usage_idx =
 337                         (usage & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 338                 shader_parse_dst_param(param, NULL, &semantics_out[regnum].reg);
 339
 340                 if (usage & (WINED3DDECLUSAGE_FOG << WINED3DSP_DCL_USAGE_SHIFT))
 341                     reg_maps->fog = 1;
 342
 343             /* Save sampler usage token */
 344             } else if (WINED3DSPR_SAMPLER == regtype)
 345                 reg_maps->samplers[regnum] = usage;
 346
 347         } else if (WINED3DSIO_DEF == curOpcode->opcode) {
 348
 349             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 350             if (!lconst) return E_OUTOFMEMORY;
 351             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 352             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 353
 354             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 355             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1 && pshader)
 356             {
 357                 float *value = (float *) lconst->value;
 358                 if(value[0] < -1.0) value[0] = -1.0;
 359                 else if(value[0] >  1.0) value[0] =  1.0;
 360                 if(value[1] < -1.0) value[1] = -1.0;
 361                 else if(value[1] >  1.0) value[1] =  1.0;
 362                 if(value[2] < -1.0) value[2] = -1.0;
 363                 else if(value[2] >  1.0) value[2] =  1.0;
 364                 if(value[3] < -1.0) value[3] = -1.0;
 365                 else if(value[3] >  1.0) value[3] =  1.0;
 366             }
 367
 368             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 369             pToken += curOpcode->num_params;
 370
 371         } else if (WINED3DSIO_DEFI == curOpcode->opcode) {
 372
 373             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 374             if (!lconst) return E_OUTOFMEMORY;
 375             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 376             memcpy(lconst->value, pToken + 1, 4 * sizeof(DWORD));
 377             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 378             pToken += curOpcode->num_params;
 379
 380         } else if (WINED3DSIO_DEFB == curOpcode->opcode) {
 381
 382             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 383             if (!lconst) return E_OUTOFMEMORY;
 384             lconst->idx = *pToken & WINED3DSP_REGNUM_MASK;
 385             memcpy(lconst->value, pToken + 1, 1 * sizeof(DWORD));
 386             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 387             pToken += curOpcode->num_params;
 388
 389         /* If there's a loop in the shader */
 390         } else if (WINED3DSIO_LOOP == curOpcode->opcode ||
 391                    WINED3DSIO_REP == curOpcode->opcode) {
 392             cur_loop_depth++;
 393             if(cur_loop_depth > max_loop_depth)
 394                 max_loop_depth = cur_loop_depth;
 395             pToken += curOpcode->num_params;
 396
 397             /* Rep and Loop always use an integer constant for the control parameters */
 398             This->baseShader.uses_int_consts = TRUE;
 399         } else if (WINED3DSIO_ENDLOOP == curOpcode->opcode ||
 400                    WINED3DSIO_ENDREP == curOpcode->opcode) {
 401             cur_loop_depth--;
 402
 403         /* For subroutine prototypes */
 404         } else if (WINED3DSIO_LABEL == curOpcode->opcode) {
 405
 406             DWORD snum = *pToken & WINED3DSP_REGNUM_MASK;
 407             reg_maps->labels[snum] = 1;
 408             pToken += curOpcode->num_params;
 409
 410         /* Set texture, address, temporary registers */
 411         } else {
 412             int i, limit;
 413
 414             /* Declare 1.X samplers implicitly, based on the destination reg. number */
 415             if (WINED3DSHADER_VERSION_MAJOR(shader_version) == 1
 416                     && pshader /* Filter different instructions with the same enum values in VS */
 417                     && (WINED3DSIO_TEX == curOpcode->opcode
 418                         || WINED3DSIO_TEXBEM == curOpcode->opcode
 419                         || WINED3DSIO_TEXBEML == curOpcode->opcode
 420                         || WINED3DSIO_TEXDP3TEX == curOpcode->opcode
 421                         || WINED3DSIO_TEXM3x2TEX == curOpcode->opcode
 422                         || WINED3DSIO_TEXM3x3SPEC == curOpcode->opcode
 423                         || WINED3DSIO_TEXM3x3TEX == curOpcode->opcode
 424                         || WINED3DSIO_TEXM3x3VSPEC == curOpcode->opcode
 425                         || WINED3DSIO_TEXREG2AR == curOpcode->opcode
 426                         || WINED3DSIO_TEXREG2GB == curOpcode->opcode
 427                         || WINED3DSIO_TEXREG2RGB == curOpcode->opcode))
 428             {
 429                 /* Fake sampler usage, only set reserved bit and ttype */
 430                 DWORD sampler_code = *pToken & WINED3DSP_REGNUM_MASK;
 431
 432                 TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 433                 reg_maps->samplers[sampler_code] = (0x1 << 31) | WINED3DSTT_2D;
 434
 435                 /* texbem is only valid with < 1.4 pixel shaders */
 436                 if(WINED3DSIO_TEXBEM  == curOpcode->opcode ||
 437                     WINED3DSIO_TEXBEML == curOpcode->opcode) {
 438                     reg_maps->bumpmat[sampler_code] = TRUE;
 439                     if(WINED3DSIO_TEXBEML == curOpcode->opcode) {
 440                         reg_maps->luminanceparams[sampler_code] = TRUE;
 441                     }
 442                 }
 443             }
 444             if(WINED3DSIO_NRM  == curOpcode->opcode) {
 445                 reg_maps->usesnrm = 1;
 446             } else if(WINED3DSIO_BEM == curOpcode->opcode && pshader) {
 447                 DWORD regnum = *pToken & WINED3DSP_REGNUM_MASK;
 448                 reg_maps->bumpmat[regnum] = TRUE;
 449             } else if(WINED3DSIO_DSY  == curOpcode->opcode) {
 450                 reg_maps->usesdsy = 1;
 451             }
 452
 453             /* This will loop over all the registers and try to
 454              * make a bitmask of the ones we're interested in.
 455              *
 456              * Relative addressing tokens are ignored, but that's
 457              * okay, since we'll catch any address registers when
 458              * they are initialized (required by spec) */
 459
 460             limit = (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)?
 461                 curOpcode->num_params + 1: curOpcode->num_params;
 462
 463             for (i = 0; i < limit; ++i) {
 464
 465                 DWORD param, addr_token, reg, regtype;
 466                 pToken += shader_get_param(pToken, shader_version, &param, &addr_token);
 467
 468                 regtype = shader_get_regtype(param);
 469                 reg = param & WINED3DSP_REGNUM_MASK;
 470
 471                 if (WINED3DSPR_TEXTURE == regtype) { /* vs: WINED3DSPR_ADDR */
 472
 473                     if (pshader)
 474                         reg_maps->texcoord[reg] = 1;
 475                     else
 476                         reg_maps->address[reg] = 1;
 477                 }
 478
 479                 else if (WINED3DSPR_TEMP == regtype)
 480                     reg_maps->temporary[reg] = 1;
 481
 482                 else if (WINED3DSPR_INPUT == regtype) {
 483                     if( !pshader)
 484                         reg_maps->attributes[reg] = 1;
 485                     else {
 486                         if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 487                             /* If relative addressing is used, we must assume that all registers
 488                              * are used. Even if it is a construct like v3[aL], we can't assume
 489                              * that v0, v1 and v2 aren't read because aL can be negative
 490                              */
 491                             unsigned int i;
 492                             for(i = 0; i < MAX_REG_INPUT; i++) {
 493                                 ((IWineD3DPixelShaderImpl *) This)->input_reg_used[i] = TRUE;
 494                             }
 495                         } else {
 496                             ((IWineD3DPixelShaderImpl *) This)->input_reg_used[reg] = TRUE;
 497                         }
 498                     }
 499                 }
 500
 501                 else if (WINED3DSPR_RASTOUT == regtype && reg == 1)
 502                     reg_maps->fog = 1;
 503
 504                 else if (WINED3DSPR_MISCTYPE == regtype && reg == 0 && pshader)
 505                     reg_maps->vpos = 1;
 506
 507                 else if(WINED3DSPR_CONST == regtype) {
 508                     if(param & WINED3DSHADER_ADDRMODE_RELATIVE) {
 509                         if(!pshader) {
 510                             if(reg <= ((IWineD3DVertexShaderImpl *) This)->min_rel_offset) {
 511                                 ((IWineD3DVertexShaderImpl *) This)->min_rel_offset = reg;
 512                             } else if(reg >= ((IWineD3DVertexShaderImpl *) This)->max_rel_offset) {
 513                                 ((IWineD3DVertexShaderImpl *) This)->max_rel_offset = reg;
 514                             }
 515                         }
 516                         reg_maps->usesrelconstF = TRUE;
 517                     }
 518                 }
 519                 else if(WINED3DSPR_CONSTINT == regtype) {
 520                     This->baseShader.uses_int_consts = TRUE;
 521                 }
 522                 else if(WINED3DSPR_CONSTBOOL == regtype) {
 523                     This->baseShader.uses_bool_consts = TRUE;
 524                 }
 525
 526                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and is used
 527                  * in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel shaders because TECRDOUT
 528                  * isn't used in them, but future register types might cause issues
 529                  */
 530                 else if (WINED3DSPR_TEXCRDOUT == regtype && i == 0 /* Only look at writes */
 531                         && !pshader && WINED3DSHADER_VERSION_MAJOR(shader_version) < 3)
 532                 {
 533                     reg_maps->texcoord_mask[reg] |= shader_get_writemask(param);
 534                 }
 535             }
 536         }
 537     }
 538     ++pToken;
 539     reg_maps->loop_depth = max_loop_depth;
 540
 541     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 542
 543     return WINED3D_OK;
 544 }
 545
 546 static void shader_dump_decl_usage(DWORD decl, DWORD param, DWORD shader_version)
 547 {
 548     DWORD regtype = shader_get_regtype(param);
 549
 550     TRACE("dcl");
 551
 552     if (regtype == WINED3DSPR_SAMPLER) {
 553         DWORD ttype = decl & WINED3DSP_TEXTURETYPE_MASK;
 554
 555         switch (ttype) {
 556             case WINED3DSTT_2D: TRACE("_2d"); break;
 557             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 558             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 559             default: TRACE("_unknown_ttype(0x%08x)", ttype);
 560        }
 561
 562     } else {
 563
 564         DWORD usage = decl & WINED3DSP_DCL_USAGE_MASK;
 565         DWORD idx = (decl & WINED3DSP_DCL_USAGEINDEX_MASK) >> WINED3DSP_DCL_USAGEINDEX_SHIFT;
 566
 567         /* Pixel shaders 3.0 don't have usage semantics */
 568         if (shader_is_pshader_version(shader_version) && shader_version < WINED3DPS_VERSION(3,0))
 569             return;
 570         else
 571             TRACE("_");
 572
 573         switch(usage) {
 574         case WINED3DDECLUSAGE_POSITION:
 575             TRACE("position%d", idx);
 576             break;
 577         case WINED3DDECLUSAGE_BLENDINDICES:
 578             TRACE("blend");
 579             break;
 580         case WINED3DDECLUSAGE_BLENDWEIGHT:
 581             TRACE("weight");
 582             break;
 583         case WINED3DDECLUSAGE_NORMAL:
 584             TRACE("normal%d", idx);
 585             break;
 586         case WINED3DDECLUSAGE_PSIZE:
 587             TRACE("psize");
 588             break;
 589         case WINED3DDECLUSAGE_COLOR:
 590             if(idx == 0)  {
 591                 TRACE("color");
 592             } else {
 593                 TRACE("specular%d", (idx - 1));
 594             }
 595             break;
 596         case WINED3DDECLUSAGE_TEXCOORD:
 597             TRACE("texture%d", idx);
 598             break;
 599         case WINED3DDECLUSAGE_TANGENT:
 600             TRACE("tangent");
 601             break;
 602         case WINED3DDECLUSAGE_BINORMAL:
 603             TRACE("binormal");
 604             break;
 605         case WINED3DDECLUSAGE_TESSFACTOR:
 606             TRACE("tessfactor");
 607             break;
 608         case WINED3DDECLUSAGE_POSITIONT:
 609             TRACE("positionT%d", idx);
 610             break;
 611         case WINED3DDECLUSAGE_FOG:
 612             TRACE("fog");
 613             break;
 614         case WINED3DDECLUSAGE_DEPTH:
 615             TRACE("depth");
 616             break;
 617         case WINED3DDECLUSAGE_SAMPLE:
 618             TRACE("sample");
 619             break;
 620         default:
 621             FIXME("unknown_semantics(0x%08x)", usage);
 622         }
 623     }
 624 }
 625
 626 static void shader_dump_arr_entry(const DWORD param, const DWORD addr_token,
 627         unsigned int reg, int input, DWORD shader_version)
 628 {
 629     char relative =
 630         ((param & WINED3DSHADER_ADDRESSMODE_MASK) == WINED3DSHADER_ADDRMODE_RELATIVE);
 631
 632     if (relative) {
 633         TRACE("[");
 634         if (addr_token)
 635             shader_dump_param(addr_token, 0, input, shader_version);
 636         else
 637             TRACE("a0.x");
 638         TRACE(" + ");
 639      }
 640      TRACE("%u", reg);
 641      if (relative)
 642          TRACE("]");
 643 }
 644
 645 static void shader_dump_param(const DWORD param, const DWORD addr_token, int input, DWORD shader_version)
 646 {
 647     static const char * const rastout_reg_names[] = { "oPos", "oFog", "oPts" };
 648     static const char * const misctype_reg_names[] = { "vPos", "vFace"};
 649     const char *swizzle_reg_chars = "xyzw";
 650
 651     DWORD reg = param & WINED3DSP_REGNUM_MASK;
 652     DWORD regtype = shader_get_regtype(param);
 653     DWORD modifier = param & WINED3DSP_SRCMOD_MASK;
 654
 655     /* There are some minor differences between pixel and vertex shaders */
 656     char pshader = shader_is_pshader_version(shader_version);
 657
 658     if (input) {
 659         if ( (modifier == WINED3DSPSM_NEG) ||
 660              (modifier == WINED3DSPSM_BIASNEG) ||
 661              (modifier == WINED3DSPSM_SIGNNEG) ||
 662              (modifier == WINED3DSPSM_X2NEG) ||
 663              (modifier == WINED3DSPSM_ABSNEG) )
 664             TRACE("-");
 665         else if (modifier == WINED3DSPSM_COMP)
 666             TRACE("1-");
 667         else if (modifier == WINED3DSPSM_NOT)
 668             TRACE("!");
 669
 670         if (modifier == WINED3DSPSM_ABS || modifier == WINED3DSPSM_ABSNEG)
 671             TRACE("abs(");
 672     }
 673
 674     switch (regtype) {
 675         case WINED3DSPR_TEMP:
 676             TRACE("r%u", reg);
 677             break;
 678         case WINED3DSPR_INPUT:
 679             TRACE("v");
 680             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 681             break;
 682         case WINED3DSPR_CONST:
 683         case WINED3DSPR_CONST2:
 684         case WINED3DSPR_CONST3:
 685         case WINED3DSPR_CONST4:
 686             TRACE("c");
 687             shader_dump_arr_entry(param, addr_token, shader_get_float_offset(param), input, shader_version);
 688             break;
 689         case WINED3DSPR_TEXTURE: /* vs: case D3DSPR_ADDR */
 690             TRACE("%c%u", (pshader? 't':'a'), reg);
 691             break;
 692         case WINED3DSPR_RASTOUT:
 693             TRACE("%s", rastout_reg_names[reg]);
 694             break;
 695         case WINED3DSPR_COLOROUT:
 696             TRACE("oC%u", reg);
 697             break;
 698         case WINED3DSPR_DEPTHOUT:
 699             TRACE("oDepth");
 700             break;
 701         case WINED3DSPR_ATTROUT:
 702             TRACE("oD%u", reg);
 703             break;
 704         case WINED3DSPR_TEXCRDOUT:
 705
 706             /* Vertex shaders >= 3.0 use general purpose output registers
 707              * (WINED3DSPR_OUTPUT), which can include an address token */
 708
 709             if (WINED3DSHADER_VERSION_MAJOR(shader_version) >= 3) {
 710                 TRACE("o");
 711                 shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 712             }
 713             else
 714                TRACE("oT%u", reg);
 715             break;
 716         case WINED3DSPR_CONSTINT:
 717             TRACE("i");
 718             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 719             break;
 720         case WINED3DSPR_CONSTBOOL:
 721             TRACE("b");
 722             shader_dump_arr_entry(param, addr_token, reg, input, shader_version);
 723             break;
 724         case WINED3DSPR_LABEL:
 725             TRACE("l%u", reg);
 726             break;
 727         case WINED3DSPR_LOOP:
 728             TRACE("aL");
 729             break;
 730         case WINED3DSPR_SAMPLER:
 731             TRACE("s%u", reg);
 732             break;
 733         case WINED3DSPR_MISCTYPE:
 734             if (reg > 1) {
 735                 FIXME("Unhandled misctype register %d\n", reg);
 736             } else {
 737                 TRACE("%s", misctype_reg_names[reg]);
 738             }
 739             break;
 740         case WINED3DSPR_PREDICATE:
 741             TRACE("p%u", reg);
 742             break;
 743         default:
 744             TRACE("unhandled_rtype(%#x)", regtype);
 745             break;
 746    }
 747
 748    if (!input) {
 749        /* operand output (for modifiers and shift, see dump_ins_modifiers) */
 750
 751        if ((param & WINED3DSP_WRITEMASK_ALL) != WINED3DSP_WRITEMASK_ALL) {
 752            TRACE(".");
 753            if (param & WINED3DSP_WRITEMASK_0) TRACE("%c", swizzle_reg_chars[0]);
 754            if (param & WINED3DSP_WRITEMASK_1) TRACE("%c", swizzle_reg_chars[1]);
 755            if (param & WINED3DSP_WRITEMASK_2) TRACE("%c", swizzle_reg_chars[2]);
 756            if (param & WINED3DSP_WRITEMASK_3) TRACE("%c", swizzle_reg_chars[3]);
 757        }
 758
 759    } else {
 760         /** operand input */
 761         DWORD swizzle = (param & WINED3DSP_SWIZZLE_MASK) >> WINED3DSP_SWIZZLE_SHIFT;
 762         DWORD swizzle_x = swizzle & 0x03;
 763         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 764         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 765         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 766
 767         if (0 != modifier) {
 768             switch (modifier) {
 769                 case WINED3DSPSM_NONE:    break;
 770                 case WINED3DSPSM_NEG:     break;
 771                 case WINED3DSPSM_NOT:     break;
 772                 case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 773                 case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 774                 case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 775                 case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 776                 case WINED3DSPSM_COMP:    break;
 777                 case WINED3DSPSM_X2:      TRACE("_x2"); break;
 778                 case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 779                 case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 780                 case WINED3DSPSM_DW:      TRACE("_dw"); break;
 781                 case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 782                 case WINED3DSPSM_ABS:     TRACE(")"); break;
 783                 default:
 784                     TRACE("_unknown_modifier(%#x)", modifier);
 785             }
 786         }
 787
 788         /**
 789         * swizzle bits fields:
 790         *  RRGGBBAA
 791         */
 792         if (swizzle != WINED3DSP_NOSWIZZLE)
 793         {
 794             if (swizzle_x == swizzle_y &&
 795                 swizzle_x == swizzle_z &&
 796                 swizzle_x == swizzle_w) {
 797                     TRACE(".%c", swizzle_reg_chars[swizzle_x]);
 798             } else {
 799                 TRACE(".%c%c%c%c",
 800                 swizzle_reg_chars[swizzle_x],
 801                 swizzle_reg_chars[swizzle_y],
 802                 swizzle_reg_chars[swizzle_z],
 803                 swizzle_reg_chars[swizzle_w]);
 804             }
 805         }
 806     }
 807 }
 808
 809 /* Shared code in order to generate the bulk of the shader string.
 810  * NOTE: A description of how to parse tokens can be found on msdn */
 811 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER* buffer,
 812         const shader_reg_maps* reg_maps, CONST DWORD* pFunction)
 813 {
 814     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 815     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 816     const SHADER_OPCODE *opcode_table = This->baseShader.shader_ins;
 817     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 818     DWORD shader_version = reg_maps->shader_version;
 819     struct wined3d_shader_src_param src_rel_addr[4];
 820     struct wined3d_shader_src_param src_param[4];
 821     struct wined3d_shader_src_param dst_rel_addr;
 822     struct wined3d_shader_dst_param dst_param;
 823     struct wined3d_shader_instruction ins;
 824     struct wined3d_shader_context ctx;
 825     const DWORD *pToken = pFunction;
 826     const SHADER_OPCODE *curOpcode;
 827     SHADER_HANDLER hw_fct;
 828     DWORD i;
 829
 830     /* Initialize current parsing state */
 831     ctx.shader = iface;
 832     ctx.reg_maps = reg_maps;
 833     ctx.buffer = buffer;
 834
 835     ins.ctx = &ctx;
 836     ins.dst = &dst_param;
 837     ins.src = src_param;
 838     This->baseShader.parse_state.current_row = 0;
 839
 840     while (WINED3DPS_END() != *pToken)
 841     {
 842         DWORD opcode_token;
 843
 844         /* Skip version token */
 845         if (shader_is_version_token(*pToken))
 846         {
 847             ++pToken;
 848             continue;
 849         }
 850
 851         /* Skip comment tokens */
 852         if (shader_is_comment(*pToken))
 853         {
 854             pToken += (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 855             ++pToken;
 856             continue;
 857         }
 858
 859         /* Read opcode */
 860         opcode_token = *pToken++;
 861         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
 862
 863         /* Unknown opcode and its parameters */
 864         if (!curOpcode)
 865         {
 866             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
 867             pToken += shader_skip_unrecognized(pToken, shader_version);
 868             continue;
 869         }
 870
 871         /* Nothing to do */
 872         if (WINED3DSIO_DCL == curOpcode->opcode
 873                 || WINED3DSIO_NOP == curOpcode->opcode
 874                 || WINED3DSIO_DEF == curOpcode->opcode
 875                 || WINED3DSIO_DEFI == curOpcode->opcode
 876                 || WINED3DSIO_DEFB == curOpcode->opcode
 877                 || WINED3DSIO_PHASE == curOpcode->opcode
 878                 || WINED3DSIO_RET == curOpcode->opcode)
 879         {
 880             pToken += shader_skip_opcode(curOpcode, opcode_token, shader_version);
 881             continue;
 882         }
 883
 884         /* Select handler */
 885         hw_fct = handler_table[curOpcode->handler_idx];
 886
 887         /* Unhandled opcode */
 888         if (!hw_fct)
 889         {
 890             FIXME("Can't handle opcode %s in hwShader\n", curOpcode->name);
 891             pToken += shader_skip_opcode(curOpcode, opcode_token, shader_version);
 892             continue;
 893         }
 894
 895         ins.handler_idx = curOpcode->handler_idx;
 896         ins.flags = opcode_token & WINED3D_OPCODESPECIFICCONTROL_MASK;
 897         ins.coissue = opcode_token & WINED3DSI_COISSUE;
 898
 899         /* Destination token */
 900         ins.dst_count = curOpcode->dst_token ? 1 : 0;
 901         if (ins.dst_count)
 902         {
 903             DWORD param, addr_param;
 904             pToken += shader_get_param(pToken, shader_version, &param, &addr_param);
 905
 906             if (param & WINED3DSHADER_ADDRMODE_RELATIVE)
 907             {
 908                 shader_parse_src_param(addr_param, NULL, &dst_rel_addr);
 909                 shader_parse_dst_param(param, &dst_rel_addr, &dst_param);
 910             }
 911             else
 912             {
 913                 shader_parse_dst_param(param, NULL, &dst_param);
 914             }
 915         }
 916
 917         /* Predication token */
 918         if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED) ins.predicate = *pToken++;
 919
 920         /* Other source tokens */
 921         ins.src_count = curOpcode->num_params - curOpcode->dst_token;
 922         for (i = 0; i < ins.src_count; ++i)
 923         {
 924             DWORD param, addr_param;
 925             pToken += shader_get_param(pToken, shader_version, &param, &addr_param);
 926             if (param & WINED3DSHADER_ADDRMODE_RELATIVE)
 927             {
 928                 shader_parse_src_param(addr_param, NULL, &src_rel_addr[i]);
 929                 shader_parse_src_param(param, &src_rel_addr[i], &src_param[i]);
 930             }
 931             else
 932             {
 933                 shader_parse_src_param(param, NULL, &src_param[i]);
 934             }
 935         }
 936
 937         /* Call appropriate function for output target */
 938         hw_fct(&ins);
 939
 940         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 941         /* FIXME: This should be internal to the shader backend.
 942          * Also, right now this is the only reason "shader_mode" exists. */
 943         if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&ins);
 944     }
 945 }
 946
 947 static void shader_dump_ins_modifiers(const DWORD output)
 948 {
 949     DWORD shift = (output & WINED3DSP_DSTSHIFT_MASK) >> WINED3DSP_DSTSHIFT_SHIFT;
 950     DWORD mmask = output & WINED3DSP_DSTMOD_MASK;
 951
 952     switch (shift) {
 953         case 0: break;
 954         case 13: TRACE("_d8"); break;
 955         case 14: TRACE("_d4"); break;
 956         case 15: TRACE("_d2"); break;
 957         case 1: TRACE("_x2"); break;
 958         case 2: TRACE("_x4"); break;
 959         case 3: TRACE("_x8"); break;
 960         default: TRACE("_unhandled_shift(%d)", shift); break;
 961     }
 962
 963     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 964     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 965     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 966
 967     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 968     if (mmask)
 969         FIXME("_unrecognized_modifier(%#x)", mmask >> WINED3DSP_DSTMOD_SHIFT);
 970 }
 971
 972 void shader_trace_init(const DWORD *pFunction, const SHADER_OPCODE *opcode_table)
 973 {
 974     const DWORD* pToken = pFunction;
 975     const SHADER_OPCODE* curOpcode = NULL;
 976     DWORD shader_version;
 977     DWORD opcode_token;
 978     DWORD i;
 979
 980     TRACE("Parsing %p\n", pFunction);
 981
 982     /* The version token is supposed to be the first token */
 983     if (!shader_is_version_token(*pToken))
 984     {
 985         FIXME("First token is not a version token, invalid shader.\n");
 986         return;
 987     }
 988     shader_version = *pToken++;
 989     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version) ? "ps": "vs",
 990             WINED3DSHADER_VERSION_MAJOR(shader_version), WINED3DSHADER_VERSION_MINOR(shader_version));
 991
 992     while (WINED3DVS_END() != *pToken)
 993     {
 994         if (shader_is_comment(*pToken)) /* comment */
 995         {
 996             DWORD comment_len = (*pToken & WINED3DSI_COMMENTSIZE_MASK) >> WINED3DSI_COMMENTSIZE_SHIFT;
 997             ++pToken;
 998             TRACE("//%s\n", (const char*)pToken);
 999             pToken += comment_len;
1000             continue;
1001         }
1002         opcode_token = *pToken++;
1003         curOpcode = shader_get_opcode(opcode_table, shader_version, opcode_token);
1004
1005         if (!curOpcode)
1006         {
1007             int tokens_read;
1008             FIXME("Unrecognized opcode: token=0x%08x\n", opcode_token);
1009             tokens_read = shader_skip_unrecognized(pToken, shader_version);
1010             pToken += tokens_read;
1011         }
1012         else
1013         {
1014             if (curOpcode->opcode == WINED3DSIO_DCL)
1015             {
1016                 DWORD usage = *pToken;
1017                 DWORD param = *(pToken + 1);
1018
1019                 shader_dump_decl_usage(usage, param, shader_version);
1020                 shader_dump_ins_modifiers(param);
1021                 TRACE(" ");
1022                 shader_dump_param(param, 0, 0, shader_version);
1023                 pToken += 2;
1024             }
1025             else if (curOpcode->opcode == WINED3DSIO_DEF)
1026             {
1027                 unsigned int offset = shader_get_float_offset(*pToken);
1028
1029                 TRACE("def c%u = %f, %f, %f, %f", offset,
1030                         *(const float *)(pToken + 1),
1031                         *(const float *)(pToken + 2),
1032                         *(const float *)(pToken + 3),
1033                         *(const float *)(pToken + 4));
1034                 pToken += 5;
1035             }
1036             else if (curOpcode->opcode == WINED3DSIO_DEFI)
1037             {
1038                 TRACE("defi i%u = %d, %d, %d, %d", *pToken & WINED3DSP_REGNUM_MASK,
1039                         *(pToken + 1),
1040                         *(pToken + 2),
1041                         *(pToken + 3),
1042                         *(pToken + 4));
1043                 pToken += 5;
1044             }
1045             else if (curOpcode->opcode == WINED3DSIO_DEFB)
1046             {
1047                 TRACE("defb b%u = %s", *pToken & WINED3DSP_REGNUM_MASK,
1048                         *(pToken + 1)? "true": "false");
1049                 pToken += 2;
1050             }
1051             else
1052             {
1053                 DWORD param, addr_token = 0;
1054                 int tokens_read;
1055
1056                 /* Print out predication source token first - it follows
1057                  * the destination token. */
1058                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1059                 {
1060                     TRACE("(");
1061                     shader_dump_param(*(pToken + 2), 0, 1, shader_version);
1062                     TRACE(") ");
1063                 }
1064                 if (opcode_token & WINED3DSI_COISSUE)
1065                 {
1066                     /* PixWin marks instructions with the coissue flag with a '+' */
1067                     TRACE("+");
1068                 }
1069
1070                 TRACE("%s", curOpcode->name);
1071
1072                 if (curOpcode->opcode == WINED3DSIO_IFC
1073                         || curOpcode->opcode == WINED3DSIO_BREAKC)
1074                 {
1075                     DWORD op = (opcode_token & INST_CONTROLS_MASK) >> INST_CONTROLS_SHIFT;
1076
1077                     switch (op)
1078                     {
1079                         case COMPARISON_GT: TRACE("_gt"); break;
1080                         case COMPARISON_EQ: TRACE("_eq"); break;
1081                         case COMPARISON_GE: TRACE("_ge"); break;
1082                         case COMPARISON_LT: TRACE("_lt"); break;
1083                         case COMPARISON_NE: TRACE("_ne"); break;
1084                         case COMPARISON_LE: TRACE("_le"); break;
1085                         default: TRACE("_(%u)", op);
1086                     }
1087                 }
1088                 else if (curOpcode->opcode == WINED3DSIO_TEX
1089                         && shader_version >= WINED3DPS_VERSION(2,0)
1090                         && (opcode_token & WINED3DSI_TEXLD_PROJECT))
1091                 {
1092                     TRACE("p");
1093                 }
1094
1095                 /* Destination token */
1096                 if (curOpcode->dst_token)
1097                 {
1098                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1099                     pToken += tokens_read;
1100
1101                     shader_dump_ins_modifiers(param);
1102                     TRACE(" ");
1103                     shader_dump_param(param, addr_token, 0, shader_version);
1104                 }
1105
1106                 /* Predication token - already printed out, just skip it */
1107                 if (opcode_token & WINED3DSHADER_INSTRUCTION_PREDICATED)
1108                 {
1109                     pToken++;
1110                 }
1111
1112                 /* Other source tokens */
1113                 for (i = curOpcode->dst_token; i < curOpcode->num_params; ++i)
1114                 {
1115                     tokens_read = shader_get_param(pToken, shader_version, &param, &addr_token);
1116                     pToken += tokens_read;
1117
1118                     TRACE((i == 0)? " " : ", ");
1119                     shader_dump_param(param, addr_token, 1, shader_version);
1120                 }
1121             }
1122             TRACE("\n");
1123         }
1124     }
1125 }
1126
1127 void shader_cleanup(IWineD3DBaseShader *iface)
1128 {
1129     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1130
1131     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1132     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1133     shader_delete_constant_list(&This->baseShader.constantsF);
1134     shader_delete_constant_list(&This->baseShader.constantsB);
1135     shader_delete_constant_list(&This->baseShader.constantsI);
1136     list_remove(&This->baseShader.shader_list_entry);
1137 }
1138
1139 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1140 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1141 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1142 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1143 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1144 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1145 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1146 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1147 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1148 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1149 static void shader_none_free(IWineD3DDevice *iface) {}
1150 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1151 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface, SHADER_BUFFER *buffer, const struct ps_compile_args *args) {
1152     FIXME("NONE shader backend asked to generate a pixel shader\n");
1153     return 0;
1154 }
1155 static GLuint shader_none_generate_vshader(IWineD3DVertexShader *iface, SHADER_BUFFER *buffer, const struct vs_compile_args *args) {
1156     FIXME("NONE shader backend asked to generate a vertex shader\n");
1157     return 0;
1158 }
1159
1160 #define GLINFO_LOCATION      (*gl_info)
1161 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1162 {
1163     /* Set the shader caps to 0 for the none shader backend */
1164     pCaps->VertexShaderVersion  = 0;
1165     pCaps->PixelShaderVersion    = 0;
1166     pCaps->PixelShader1xMaxValue = 0.0;
1167 }
1168 #undef GLINFO_LOCATION
1169 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1170 {
1171     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1172     {
1173         TRACE("Checking support for fixup:\n");
1174         dump_color_fixup_desc(fixup);
1175     }
1176
1177     /* Faked to make some apps happy. */
1178     if (!is_yuv_fixup(fixup))
1179     {
1180         TRACE("[OK]\n");
1181         return TRUE;
1182     }
1183
1184     TRACE("[FAILED]\n");
1185     return FALSE;
1186 }
1187
1188 const shader_backend_t none_shader_backend = {
1189     shader_none_instruction_handler_table,
1190     shader_none_select,
1191     shader_none_select_depth_blt,
1192     shader_none_deselect_depth_blt,
1193     shader_none_update_float_vertex_constants,
1194     shader_none_update_float_pixel_constants,
1195     shader_none_load_constants,
1196     shader_none_load_np2fixup_constants,
1197     shader_none_destroy,
1198     shader_none_alloc,
1199     shader_none_free,
1200     shader_none_dirty_const,
1201     shader_none_generate_pshader,
1202     shader_none_generate_vshader,
1203     shader_none_get_caps,
1204     shader_none_color_fixup_supported,
1205 };