reactos/dll/directx/wine/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 const char *shader_opcode_names[] =
  36 {
  37     /* WINED3DSIH_ABS           */ "abs",
  38     /* WINED3DSIH_ADD           */ "add",
  39     /* WINED3DSIH_BEM           */ "bem",
  40     /* WINED3DSIH_BREAK         */ "break",
  41     /* WINED3DSIH_BREAKC        */ "breakc",
  42     /* WINED3DSIH_BREAKP        */ "breakp",
  43     /* WINED3DSIH_CALL          */ "call",
  44     /* WINED3DSIH_CALLNZ        */ "callnz",
  45     /* WINED3DSIH_CMP           */ "cmp",
  46     /* WINED3DSIH_CND           */ "cnd",
  47     /* WINED3DSIH_CRS           */ "crs",
  48     /* WINED3DSIH_DCL           */ "dcl",
  49     /* WINED3DSIH_DEF           */ "def",
  50     /* WINED3DSIH_DEFB          */ "defb",
  51     /* WINED3DSIH_DEFI          */ "defi",
  52     /* WINED3DSIH_DP2ADD        */ "dp2add",
  53     /* WINED3DSIH_DP3           */ "dp3",
  54     /* WINED3DSIH_DP4           */ "dp4",
  55     /* WINED3DSIH_DST           */ "dst",
  56     /* WINED3DSIH_DSX           */ "dsx",
  57     /* WINED3DSIH_DSY           */ "dsy",
  58     /* WINED3DSIH_ELSE          */ "else",
  59     /* WINED3DSIH_ENDIF         */ "endif",
  60     /* WINED3DSIH_ENDLOOP       */ "endloop",
  61     /* WINED3DSIH_ENDREP        */ "endrep",
  62     /* WINED3DSIH_EXP           */ "exp",
  63     /* WINED3DSIH_EXPP          */ "expp",
  64     /* WINED3DSIH_FRC           */ "frc",
  65     /* WINED3DSIH_IF            */ "if",
  66     /* WINED3DSIH_IFC           */ "ifc",
  67     /* WINED3DSIH_LABEL         */ "label",
  68     /* WINED3DSIH_LIT           */ "lit",
  69     /* WINED3DSIH_LOG           */ "log",
  70     /* WINED3DSIH_LOGP          */ "logp",
  71     /* WINED3DSIH_LOOP          */ "loop",
  72     /* WINED3DSIH_LRP           */ "lrp",
  73     /* WINED3DSIH_M3x2          */ "m3x2",
  74     /* WINED3DSIH_M3x3          */ "m3x3",
  75     /* WINED3DSIH_M3x4          */ "m3x4",
  76     /* WINED3DSIH_M4x3          */ "m4x3",
  77     /* WINED3DSIH_M4x4          */ "m4x4",
  78     /* WINED3DSIH_MAD           */ "mad",
  79     /* WINED3DSIH_MAX           */ "max",
  80     /* WINED3DSIH_MIN           */ "min",
  81     /* WINED3DSIH_MOV           */ "mov",
  82     /* WINED3DSIH_MOVA          */ "mova",
  83     /* WINED3DSIH_MUL           */ "mul",
  84     /* WINED3DSIH_NOP           */ "nop",
  85     /* WINED3DSIH_NRM           */ "nrm",
  86     /* WINED3DSIH_PHASE         */ "phase",
  87     /* WINED3DSIH_POW           */ "pow",
  88     /* WINED3DSIH_RCP           */ "rcp",
  89     /* WINED3DSIH_REP           */ "rep",
  90     /* WINED3DSIH_RET           */ "ret",
  91     /* WINED3DSIH_RSQ           */ "rsq",
  92     /* WINED3DSIH_SETP          */ "setp",
  93     /* WINED3DSIH_SGE           */ "sge",
  94     /* WINED3DSIH_SGN           */ "sgn",
  95     /* WINED3DSIH_SINCOS        */ "sincos",
  96     /* WINED3DSIH_SLT           */ "slt",
  97     /* WINED3DSIH_SUB           */ "sub",
  98     /* WINED3DSIH_TEX           */ "texld",
  99     /* WINED3DSIH_TEXBEM        */ "texbem",
 100     /* WINED3DSIH_TEXBEML       */ "texbeml",
 101     /* WINED3DSIH_TEXCOORD      */ "texcrd",
 102     /* WINED3DSIH_TEXDEPTH      */ "texdepth",
 103     /* WINED3DSIH_TEXDP3        */ "texdp3",
 104     /* WINED3DSIH_TEXDP3TEX     */ "texdp3tex",
 105     /* WINED3DSIH_TEXKILL       */ "texkill",
 106     /* WINED3DSIH_TEXLDD        */ "texldd",
 107     /* WINED3DSIH_TEXLDL        */ "texldl",
 108     /* WINED3DSIH_TEXM3x2DEPTH  */ "texm3x2depth",
 109     /* WINED3DSIH_TEXM3x2PAD    */ "texm3x2pad",
 110     /* WINED3DSIH_TEXM3x2TEX    */ "texm3x2tex",
 111     /* WINED3DSIH_TEXM3x3       */ "texm3x3",
 112     /* WINED3DSIH_TEXM3x3DIFF   */ "texm3x3diff",
 113     /* WINED3DSIH_TEXM3x3PAD    */ "texm3x3pad",
 114     /* WINED3DSIH_TEXM3x3SPEC   */ "texm3x3spec",
 115     /* WINED3DSIH_TEXM3x3TEX    */ "texm3x3tex",
 116     /* WINED3DSIH_TEXM3x3VSPEC  */ "texm3x3vspec",
 117     /* WINED3DSIH_TEXREG2AR     */ "texreg2ar",
 118     /* WINED3DSIH_TEXREG2GB     */ "texreg2gb",
 119     /* WINED3DSIH_TEXREG2RGB    */ "texreg2rgb",
 120 };
 121
 122 const struct wined3d_shader_frontend *shader_select_frontend(DWORD version_token)
 123 {
 124     switch (version_token >> 16)
 125     {
 126         case WINED3D_SM1_VS:
 127         case WINED3D_SM1_PS:
 128             return &sm1_shader_frontend;
 129
 130         case WINED3D_SM4_PS:
 131         case WINED3D_SM4_VS:
 132         case WINED3D_SM4_GS:
 133             return &sm4_shader_frontend;
 134
 135         default:
 136             FIXME("Unrecognised version token %#x\n", version_token);
 137             return NULL;
 138     }
 139 }
 140
 141 static inline BOOL shader_is_version_token(DWORD token) {
 142     return shader_is_pshader_version(token) ||
 143            shader_is_vshader_version(token);
 144 }
 145
 146 void shader_buffer_init(struct SHADER_BUFFER *buffer)
 147 {
 148     buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
 149     buffer->buffer[0] = '\0';
 150     buffer->bsize = 0;
 151     buffer->lineNo = 0;
 152     buffer->newline = TRUE;
 153 }
 154
 155 void shader_buffer_free(struct SHADER_BUFFER *buffer)
 156 {
 157     HeapFree(GetProcessHeap(), 0, buffer->buffer);
 158 }
 159
 160 int shader_vaddline(SHADER_BUFFER* buffer, const char *format, va_list args)
 161 {
 162     char* base = buffer->buffer + buffer->bsize;
 163     int rc;
 164
 165     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
 166
 167     if (rc < 0 ||                                   /* C89 */
 168         rc > SHADER_PGMSIZE - 1 - buffer->bsize) {  /* C99 */
 169
 170         ERR("The buffer allocated for the shader program string "
 171             "is too small at %d bytes.\n", SHADER_PGMSIZE);
 172         buffer->bsize = SHADER_PGMSIZE - 1;
 173         return -1;
 174     }
 175
 176     if (buffer->newline) {
 177         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
 178         buffer->newline = FALSE;
 179     } else {
 180         TRACE("%s", base);
 181     }
 182
 183     buffer->bsize += rc;
 184     if (buffer->buffer[buffer->bsize-1] == '\n') {
 185         buffer->lineNo++;
 186         buffer->newline = TRUE;
 187     }
 188     return 0;
 189 }
 190
 191 int shader_addline(SHADER_BUFFER* buffer, const char *format, ...)
 192 {
 193     int ret;
 194     va_list args;
 195
 196     va_start(args, format);
 197     ret = shader_vaddline(buffer, format, args);
 198     va_end(args);
 199
 200     return ret;
 201 }
 202
 203 void shader_init(struct IWineD3DBaseShaderClass *shader, IWineD3DDevice *device)
 204 {
 205     shader->ref = 1;
 206     shader->device = device;
 207     list_init(&shader->linked_programs);
 208 }
 209
 210 /* Convert floating point offset relative
 211  * to a register file to an absolute offset for float constants */
 212 static unsigned int shader_get_float_offset(WINED3DSHADER_PARAM_REGISTER_TYPE register_type, UINT register_idx)
 213 {
 214     switch (register_type)
 215     {
 216         case WINED3DSPR_CONST: return register_idx;
 217         case WINED3DSPR_CONST2: return 2048 + register_idx;
 218         case WINED3DSPR_CONST3: return 4096 + register_idx;
 219         case WINED3DSPR_CONST4: return 6144 + register_idx;
 220         default:
 221             FIXME("Unsupported register type: %d\n", register_type);
 222             return register_idx;
 223     }
 224 }
 225
 226 static void shader_delete_constant_list(struct list* clist) {
 227
 228     struct list *ptr;
 229     struct local_constant* constant;
 230
 231     ptr = list_head(clist);
 232     while (ptr) {
 233         constant = LIST_ENTRY(ptr, struct local_constant, entry);
 234         ptr = list_next(clist, ptr);
 235         HeapFree(GetProcessHeap(), 0, constant);
 236     }
 237     list_init(clist);
 238 }
 239
 240 static inline void set_bitmap_bit(DWORD *bitmap, DWORD bit)
 241 {
 242     DWORD idx, shift;
 243     idx = bit >> 5;
 244     shift = bit & 0x1f;
 245     bitmap[idx] |= (1 << shift);
 246 }
 247
 248 static void shader_record_register_usage(IWineD3DBaseShaderImpl *This, struct shader_reg_maps *reg_maps,
 249         DWORD register_type, UINT register_idx, BOOL has_rel_addr, BOOL pshader)
 250 {
 251     switch (register_type)
 252     {
 253         case WINED3DSPR_TEXTURE: /* WINED3DSPR_ADDR */
 254             if (pshader) reg_maps->texcoord[register_idx] = 1;
 255             else reg_maps->address[register_idx] = 1;
 256             break;
 257
 258         case WINED3DSPR_TEMP:
 259             reg_maps->temporary[register_idx] = 1;
 260             break;
 261
 262         case WINED3DSPR_INPUT:
 263             if (!pshader) reg_maps->attributes[register_idx] = 1;
 264             else
 265             {
 266                 if (has_rel_addr)
 267                 {
 268                     /* If relative addressing is used, we must assume that all registers
 269                      * are used. Even if it is a construct like v3[aL], we can't assume
 270                      * that v0, v1 and v2 aren't read because aL can be negative */
 271                     unsigned int i;
 272                     for (i = 0; i < MAX_REG_INPUT; ++i)
 273                     {
 274                         ((IWineD3DPixelShaderImpl *)This)->input_reg_used[i] = TRUE;
 275                     }
 276                 }
 277                 else
 278                 {
 279                     ((IWineD3DPixelShaderImpl *)This)->input_reg_used[register_idx] = TRUE;
 280                 }
 281             }
 282             break;
 283
 284         case WINED3DSPR_RASTOUT:
 285             if (register_idx == 1) reg_maps->fog = 1;
 286             break;
 287
 288         case WINED3DSPR_MISCTYPE:
 289             if (pshader && register_idx == 0) reg_maps->vpos = 1;
 290             break;
 291
 292         case WINED3DSPR_CONST:
 293             if (has_rel_addr)
 294             {
 295                 if (!pshader)
 296                 {
 297                     if (register_idx <= ((IWineD3DVertexShaderImpl *)This)->min_rel_offset)
 298                         ((IWineD3DVertexShaderImpl *)This)->min_rel_offset = register_idx;
 299                     else if (register_idx >= ((IWineD3DVertexShaderImpl *)This)->max_rel_offset)
 300                         ((IWineD3DVertexShaderImpl *)This)->max_rel_offset = register_idx;
 301                 }
 302                 reg_maps->usesrelconstF = TRUE;
 303             }
 304             else
 305             {
 306                 set_bitmap_bit(reg_maps->constf, register_idx);
 307             }
 308             break;
 309
 310         case WINED3DSPR_CONSTINT:
 311             reg_maps->integer_constants |= (1 << register_idx);
 312             break;
 313
 314         case WINED3DSPR_CONSTBOOL:
 315             reg_maps->boolean_constants |= (1 << register_idx);
 316             break;
 317
 318         default:
 319             TRACE("Not recording register of type %#x and idx %u\n", register_type, register_idx);
 320             break;
 321     }
 322 }
 323
 324 static unsigned char get_instr_regcount(enum WINED3D_SHADER_INSTRUCTION_HANDLER instr, int param)
 325 {
 326     switch(instr)
 327     {
 328         case WINED3DSIH_M4x4:
 329         case WINED3DSIH_M3x4:
 330             return param == 1 ? 4 : 1;
 331
 332         case WINED3DSIH_M4x3:
 333         case WINED3DSIH_M3x3:
 334             return param == 1 ? 3 : 1;
 335
 336         case WINED3DSIH_M3x2:
 337             return param == 1 ? 2 : 1;
 338
 339         default:
 340             return 1;
 341     }
 342 }
 343
 344 /* Note that this does not count the loop register
 345  * as an address register. */
 346
 347 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct wined3d_shader_frontend *fe,
 348         struct shader_reg_maps *reg_maps, struct wined3d_shader_semantic *semantics_in,
 349         struct wined3d_shader_semantic *semantics_out, const DWORD *byte_code, DWORD constf_size)
 350 {
 351     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 352     void *fe_data = This->baseShader.frontend_data;
 353     struct wined3d_shader_version shader_version;
 354     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 355     const DWORD* pToken = byte_code;
 356     char pshader;
 357
 358     /* There are some minor differences between pixel and vertex shaders */
 359
 360     memset(reg_maps, 0, sizeof(*reg_maps));
 361
 362     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 363      * in stacking up a collection of local constants. Delete the old constants if existing
 364      */
 365     shader_delete_constant_list(&This->baseShader.constantsF);
 366     shader_delete_constant_list(&This->baseShader.constantsB);
 367     shader_delete_constant_list(&This->baseShader.constantsI);
 368
 369     fe->shader_read_header(fe_data, &pToken, &shader_version);
 370     reg_maps->shader_version = shader_version;
 371     pshader = shader_is_pshader_version(shader_version.type);
 372
 373     reg_maps->constf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 374                                  sizeof(*reg_maps->constf) * ((constf_size + 31) / 32));
 375     if(!reg_maps->constf) {
 376         ERR("Out of memory\n");
 377         return E_OUTOFMEMORY;
 378     }
 379
 380     while (!fe->shader_is_end(fe_data, &pToken))
 381     {
 382         struct wined3d_shader_instruction ins;
 383         const char *comment;
 384         UINT param_size;
 385
 386         /* Skip comments */
 387         fe->shader_read_comment(&pToken, &comment);
 388         if (comment) continue;
 389
 390         /* Fetch opcode */
 391         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
 392
 393         /* Unhandled opcode, and its parameters */
 394         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
 395         {
 396             TRACE("Skipping unrecognized instruction.\n");
 397             pToken += param_size;
 398             continue;
 399         }
 400
 401         /* Handle declarations */
 402         if (ins.handler_idx == WINED3DSIH_DCL)
 403         {
 404             struct wined3d_shader_semantic semantic;
 405
 406             fe->shader_read_semantic(&pToken, &semantic);
 407
 408             switch (semantic.reg.reg.type)
 409             {
 410                 /* Vshader: mark attributes used
 411                  * Pshader: mark 3.0 input registers used, save token */
 412                 case WINED3DSPR_INPUT:
 413                     if (!pshader) reg_maps->attributes[semantic.reg.reg.idx] = 1;
 414                     else reg_maps->packed_input[semantic.reg.reg.idx] = 1;
 415                     semantics_in[semantic.reg.reg.idx] = semantic;
 416                     break;
 417
 418                 /* Vshader: mark 3.0 output registers used, save token */
 419                 case WINED3DSPR_OUTPUT:
 420                     reg_maps->packed_output[semantic.reg.reg.idx] = 1;
 421                     semantics_out[semantic.reg.reg.idx] = semantic;
 422                     if (semantic.usage == WINED3DDECLUSAGE_FOG) reg_maps->fog = 1;
 423                     break;
 424
 425                 /* Save sampler usage token */
 426                 case WINED3DSPR_SAMPLER:
 427                     reg_maps->sampler_type[semantic.reg.reg.idx] = semantic.sampler_type;
 428                     break;
 429
 430                 default:
 431                     TRACE("Not recording DCL register type %#x.\n", semantic.reg.reg.type);
 432                     break;
 433             }
 434         }
 435         else if (ins.handler_idx == WINED3DSIH_DEF)
 436         {
 437             struct wined3d_shader_dst_param dst;
 438             struct wined3d_shader_src_param rel_addr;
 439
 440             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 441             if (!lconst) return E_OUTOFMEMORY;
 442
 443             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 444             lconst->idx = dst.reg.idx;
 445
 446             memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
 447             pToken += 4;
 448
 449             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 450             if (shader_version.major == 1 && pshader)
 451             {
 452                 float *value = (float *) lconst->value;
 453                 if(value[0] < -1.0) value[0] = -1.0;
 454                 else if(value[0] >  1.0) value[0] =  1.0;
 455                 if(value[1] < -1.0) value[1] = -1.0;
 456                 else if(value[1] >  1.0) value[1] =  1.0;
 457                 if(value[2] < -1.0) value[2] = -1.0;
 458                 else if(value[2] >  1.0) value[2] =  1.0;
 459                 if(value[3] < -1.0) value[3] = -1.0;
 460                 else if(value[3] >  1.0) value[3] =  1.0;
 461             }
 462
 463             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 464         }
 465         else if (ins.handler_idx == WINED3DSIH_DEFI)
 466         {
 467             struct wined3d_shader_dst_param dst;
 468             struct wined3d_shader_src_param rel_addr;
 469
 470             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 471             if (!lconst) return E_OUTOFMEMORY;
 472
 473             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 474             lconst->idx = dst.reg.idx;
 475
 476             memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
 477             pToken += 4;
 478
 479             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 480         }
 481         else if (ins.handler_idx == WINED3DSIH_DEFB)
 482         {
 483             struct wined3d_shader_dst_param dst;
 484             struct wined3d_shader_src_param rel_addr;
 485
 486             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 487             if (!lconst) return E_OUTOFMEMORY;
 488
 489             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 490             lconst->idx = dst.reg.idx;
 491
 492             memcpy(lconst->value, pToken, sizeof(DWORD));
 493             ++pToken;
 494
 495             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 496         }
 497         /* If there's a loop in the shader */
 498         else if (ins.handler_idx == WINED3DSIH_LOOP
 499                 || ins.handler_idx == WINED3DSIH_REP)
 500         {
 501             struct wined3d_shader_src_param src, rel_addr;
 502
 503             fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 504
 505             /* Rep and Loop always use an integer constant for the control parameters */
 506             if (ins.handler_idx == WINED3DSIH_REP)
 507             {
 508                 reg_maps->integer_constants |= 1 << src.reg.idx;
 509             }
 510             else
 511             {
 512                 fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 513                 reg_maps->integer_constants |= 1 << src.reg.idx;
 514             }
 515
 516             cur_loop_depth++;
 517             if(cur_loop_depth > max_loop_depth)
 518                 max_loop_depth = cur_loop_depth;
 519         }
 520         else if (ins.handler_idx == WINED3DSIH_ENDLOOP
 521                 || ins.handler_idx == WINED3DSIH_ENDREP)
 522         {
 523             cur_loop_depth--;
 524         }
 525         /* For subroutine prototypes */
 526         else if (ins.handler_idx == WINED3DSIH_LABEL)
 527         {
 528             struct wined3d_shader_src_param src, rel_addr;
 529
 530             fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 531             reg_maps->labels[src.reg.idx] = 1;
 532         }
 533         /* Set texture, address, temporary registers */
 534         else
 535         {
 536             int i, limit;
 537
 538             /* This will loop over all the registers and try to
 539              * make a bitmask of the ones we're interested in.
 540              *
 541              * Relative addressing tokens are ignored, but that's
 542              * okay, since we'll catch any address registers when
 543              * they are initialized (required by spec) */
 544
 545             if (ins.dst_count)
 546             {
 547                 struct wined3d_shader_dst_param dst_param;
 548                 struct wined3d_shader_src_param dst_rel_addr;
 549
 550                 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
 551
 552                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and
 553                  * is used in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel
 554                  * shaders because TECRDOUT isn't used in them, but future register types might cause issues */
 555                 if (!pshader && shader_version.major < 3 && dst_param.reg.type == WINED3DSPR_TEXCRDOUT)
 556                 {
 557                     reg_maps->texcoord_mask[dst_param.reg.type] |= dst_param.write_mask;
 558                 }
 559                 else
 560                 {
 561                     shader_record_register_usage(This, reg_maps, dst_param.reg.type,
 562                             dst_param.reg.idx, !!dst_param.reg.rel_addr, pshader);
 563                 }
 564
 565                 /* Declare 1.X samplers implicitly, based on the destination reg. number */
 566                 if (shader_version.major == 1
 567                         && pshader /* Filter different instructions with the same enum values in VS */
 568                         && (ins.handler_idx == WINED3DSIH_TEX
 569                             || ins.handler_idx == WINED3DSIH_TEXBEM
 570                             || ins.handler_idx == WINED3DSIH_TEXBEML
 571                             || ins.handler_idx == WINED3DSIH_TEXDP3TEX
 572                             || ins.handler_idx == WINED3DSIH_TEXM3x2TEX
 573                             || ins.handler_idx == WINED3DSIH_TEXM3x3SPEC
 574                             || ins.handler_idx == WINED3DSIH_TEXM3x3TEX
 575                             || ins.handler_idx == WINED3DSIH_TEXM3x3VSPEC
 576                             || ins.handler_idx == WINED3DSIH_TEXREG2AR
 577                             || ins.handler_idx == WINED3DSIH_TEXREG2GB
 578                             || ins.handler_idx == WINED3DSIH_TEXREG2RGB))
 579                 {
 580                     /* Fake sampler usage, only set reserved bit and ttype */
 581                     DWORD sampler_code = dst_param.reg.idx;
 582
 583                     TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 584                     reg_maps->sampler_type[sampler_code] = WINED3DSTT_2D;
 585
 586                     /* texbem is only valid with < 1.4 pixel shaders */
 587                     if (ins.handler_idx == WINED3DSIH_TEXBEM
 588                             || ins.handler_idx == WINED3DSIH_TEXBEML)
 589                     {
 590                         reg_maps->bumpmat[sampler_code] = TRUE;
 591                         if (ins.handler_idx == WINED3DSIH_TEXBEML)
 592                         {
 593                             reg_maps->luminanceparams[sampler_code] = TRUE;
 594                         }
 595                     }
 596                 }
 597                 else if (pshader && ins.handler_idx == WINED3DSIH_BEM)
 598                 {
 599                     reg_maps->bumpmat[dst_param.reg.idx] = TRUE;
 600                 }
 601             }
 602
 603             if (ins.handler_idx == WINED3DSIH_NRM)
 604             {
 605                 reg_maps->usesnrm = 1;
 606             }
 607             else if (ins.handler_idx == WINED3DSIH_DSY)
 608             {
 609                 reg_maps->usesdsy = 1;
 610             }
 611             else if(ins.handler_idx == WINED3DSIH_TEXLDD)
 612             {
 613                 reg_maps->usestexldd = 1;
 614             }
 615
 616             limit = ins.src_count + (ins.predicate ? 1 : 0);
 617             for (i = 0; i < limit; ++i)
 618             {
 619                 struct wined3d_shader_src_param src_param, src_rel_addr;
 620
 621                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
 622                 switch(get_instr_regcount(ins.handler_idx, i))
 623                 {
 624                     case 4:
 625                         shader_record_register_usage(This, reg_maps, src_param.reg.type,
 626                                 src_param.reg.idx + 3, !!src_param.reg.rel_addr, pshader);
 627                         /* drop through */
 628                     case 3:
 629                         shader_record_register_usage(This, reg_maps, src_param.reg.type,
 630                                 src_param.reg.idx + 2, !!src_param.reg.rel_addr, pshader);
 631                         /* drop through */
 632                     case 2:
 633                         shader_record_register_usage(This, reg_maps, src_param.reg.type,
 634                                 src_param.reg.idx + 1, !!src_param.reg.rel_addr, pshader);
 635                         /* drop through */
 636                     case 1:
 637                         shader_record_register_usage(This, reg_maps, src_param.reg.type,
 638                                 src_param.reg.idx, !!src_param.reg.rel_addr, pshader);
 639                 }
 640             }
 641         }
 642     }
 643     reg_maps->loop_depth = max_loop_depth;
 644
 645     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 646
 647     return WINED3D_OK;
 648 }
 649
 650 static void shader_dump_decl_usage(const struct wined3d_shader_semantic *semantic,
 651         const struct wined3d_shader_version *shader_version)
 652 {
 653     TRACE("dcl");
 654
 655     if (semantic->reg.reg.type == WINED3DSPR_SAMPLER)
 656     {
 657         switch (semantic->sampler_type)
 658         {
 659             case WINED3DSTT_2D: TRACE("_2d"); break;
 660             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 661             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 662             default: TRACE("_unknown_ttype(0x%08x)", semantic->sampler_type);
 663         }
 664     }
 665     else
 666     {
 667         /* Pixel shaders 3.0 don't have usage semantics */
 668         if (shader_is_pshader_version(shader_version->type) && shader_version->major < 3)
 669             return;
 670         else
 671             TRACE("_");
 672
 673         switch (semantic->usage)
 674         {
 675             case WINED3DDECLUSAGE_POSITION:
 676                 TRACE("position%d", semantic->usage_idx);
 677                 break;
 678             case WINED3DDECLUSAGE_BLENDINDICES:
 679                 TRACE("blend");
 680                 break;
 681             case WINED3DDECLUSAGE_BLENDWEIGHT:
 682                 TRACE("weight");
 683                 break;
 684             case WINED3DDECLUSAGE_NORMAL:
 685                 TRACE("normal%d", semantic->usage_idx);
 686                 break;
 687             case WINED3DDECLUSAGE_PSIZE:
 688                 TRACE("psize");
 689                 break;
 690             case WINED3DDECLUSAGE_COLOR:
 691                 if (semantic->usage_idx == 0) TRACE("color");
 692                 else TRACE("specular%d", (semantic->usage_idx - 1));
 693                 break;
 694             case WINED3DDECLUSAGE_TEXCOORD:
 695                 TRACE("texture%d", semantic->usage_idx);
 696                 break;
 697             case WINED3DDECLUSAGE_TANGENT:
 698                 TRACE("tangent");
 699                 break;
 700             case WINED3DDECLUSAGE_BINORMAL:
 701                 TRACE("binormal");
 702                 break;
 703             case WINED3DDECLUSAGE_TESSFACTOR:
 704                 TRACE("tessfactor");
 705                 break;
 706             case WINED3DDECLUSAGE_POSITIONT:
 707                 TRACE("positionT%d", semantic->usage_idx);
 708                 break;
 709             case WINED3DDECLUSAGE_FOG:
 710                 TRACE("fog");
 711                 break;
 712             case WINED3DDECLUSAGE_DEPTH:
 713                 TRACE("depth");
 714                 break;
 715             case WINED3DDECLUSAGE_SAMPLE:
 716                 TRACE("sample");
 717                 break;
 718             default:
 719                 FIXME("unknown_semantics(0x%08x)", semantic->usage);
 720         }
 721     }
 722 }
 723
 724 static void shader_dump_register(WINED3DSHADER_PARAM_REGISTER_TYPE register_type, UINT register_idx,
 725         enum wined3d_immconst_type immconst_type, const DWORD *immconst_data,
 726         const struct wined3d_shader_src_param *rel_addr, const struct wined3d_shader_version *shader_version)
 727 {
 728     static const char * const rastout_reg_names[] = {"oPos", "oFog", "oPts"};
 729     static const char * const misctype_reg_names[] = {"vPos", "vFace"};
 730     UINT offset = register_idx;
 731
 732     switch (register_type)
 733     {
 734         case WINED3DSPR_TEMP:
 735             TRACE("r");
 736             break;
 737
 738         case WINED3DSPR_INPUT:
 739             TRACE("v");
 740             break;
 741
 742         case WINED3DSPR_CONST:
 743         case WINED3DSPR_CONST2:
 744         case WINED3DSPR_CONST3:
 745         case WINED3DSPR_CONST4:
 746             TRACE("c");
 747             offset = shader_get_float_offset(register_type, register_idx);
 748             break;
 749
 750         case WINED3DSPR_TEXTURE: /* vs: case WINED3DSPR_ADDR */
 751             TRACE("%c", shader_is_pshader_version(shader_version->type) ? 't' : 'a');
 752             break;
 753
 754         case WINED3DSPR_RASTOUT:
 755             TRACE("%s", rastout_reg_names[register_idx]);
 756             break;
 757
 758         case WINED3DSPR_COLOROUT:
 759             TRACE("oC");
 760             break;
 761
 762         case WINED3DSPR_DEPTHOUT:
 763             TRACE("oDepth");
 764             break;
 765
 766         case WINED3DSPR_ATTROUT:
 767             TRACE("oD");
 768             break;
 769
 770         case WINED3DSPR_TEXCRDOUT:
 771             /* Vertex shaders >= 3.0 use general purpose output registers
 772              * (WINED3DSPR_OUTPUT), which can include an address token */
 773             if (shader_version->major >= 3) TRACE("o");
 774             else TRACE("oT");
 775             break;
 776
 777         case WINED3DSPR_CONSTINT:
 778             TRACE("i");
 779             break;
 780
 781         case WINED3DSPR_CONSTBOOL:
 782             TRACE("b");
 783             break;
 784
 785         case WINED3DSPR_LABEL:
 786             TRACE("l");
 787             break;
 788
 789         case WINED3DSPR_LOOP:
 790             TRACE("aL");
 791             break;
 792
 793         case WINED3DSPR_SAMPLER:
 794             TRACE("s");
 795             break;
 796
 797         case WINED3DSPR_MISCTYPE:
 798             if (register_idx > 1) FIXME("Unhandled misctype register %d\n", register_idx);
 799             else TRACE("%s", misctype_reg_names[register_idx]);
 800             break;
 801
 802         case WINED3DSPR_PREDICATE:
 803             TRACE("p");
 804             break;
 805
 806         case WINED3DSPR_IMMCONST:
 807             TRACE("l");
 808             break;
 809
 810         default:
 811             TRACE("unhandled_rtype(%#x)", register_type);
 812             break;
 813     }
 814
 815     if (register_type == WINED3DSPR_IMMCONST)
 816     {
 817         TRACE("(");
 818         switch (immconst_type)
 819         {
 820             case WINED3D_IMMCONST_FLOAT:
 821                 TRACE("%.8e", *(float *)immconst_data);
 822                 break;
 823
 824             case WINED3D_IMMCONST_FLOAT4:
 825                 TRACE("%.8e, %.8e, %.8e, %.8e",
 826                         *(float *)&immconst_data[0], *(float *)&immconst_data[1],
 827                         *(float *)&immconst_data[2], *(float *)&immconst_data[3]);
 828                 break;
 829
 830             default:
 831                 TRACE("<unhandled immconst_type %#x>", immconst_type);
 832                 break;
 833         }
 834         TRACE(")");
 835     }
 836     else if (register_type != WINED3DSPR_RASTOUT && register_type != WINED3DSPR_MISCTYPE)
 837     {
 838         if (rel_addr)
 839         {
 840             TRACE("[");
 841             shader_dump_src_param(rel_addr, shader_version);
 842             TRACE(" + ");
 843         }
 844         TRACE("%u", offset);
 845         if (rel_addr) TRACE("]");
 846     }
 847 }
 848
 849 void shader_dump_dst_param(const struct wined3d_shader_dst_param *param,
 850         const struct wined3d_shader_version *shader_version)
 851 {
 852     DWORD write_mask = param->write_mask;
 853
 854     shader_dump_register(param->reg.type, param->reg.idx, 0, NULL, param->reg.rel_addr, shader_version);
 855
 856     if (write_mask != WINED3DSP_WRITEMASK_ALL)
 857     {
 858         static const char *write_mask_chars = "xyzw";
 859
 860         TRACE(".");
 861         if (write_mask & WINED3DSP_WRITEMASK_0) TRACE("%c", write_mask_chars[0]);
 862         if (write_mask & WINED3DSP_WRITEMASK_1) TRACE("%c", write_mask_chars[1]);
 863         if (write_mask & WINED3DSP_WRITEMASK_2) TRACE("%c", write_mask_chars[2]);
 864         if (write_mask & WINED3DSP_WRITEMASK_3) TRACE("%c", write_mask_chars[3]);
 865     }
 866 }
 867
 868 void shader_dump_src_param(const struct wined3d_shader_src_param *param,
 869         const struct wined3d_shader_version *shader_version)
 870 {
 871     DWORD src_modifier = param->modifiers;
 872     DWORD swizzle = param->swizzle;
 873
 874     if (src_modifier == WINED3DSPSM_NEG
 875             || src_modifier == WINED3DSPSM_BIASNEG
 876             || src_modifier == WINED3DSPSM_SIGNNEG
 877             || src_modifier == WINED3DSPSM_X2NEG
 878             || src_modifier == WINED3DSPSM_ABSNEG)
 879         TRACE("-");
 880     else if (src_modifier == WINED3DSPSM_COMP)
 881         TRACE("1-");
 882     else if (src_modifier == WINED3DSPSM_NOT)
 883         TRACE("!");
 884
 885     if (src_modifier == WINED3DSPSM_ABS || src_modifier == WINED3DSPSM_ABSNEG)
 886         TRACE("abs(");
 887
 888     shader_dump_register(param->reg.type, param->reg.idx, param->reg.immconst_type,
 889             param->reg.immconst_data, param->reg.rel_addr, shader_version);
 890
 891     if (src_modifier)
 892     {
 893         switch (src_modifier)
 894         {
 895             case WINED3DSPSM_NONE:    break;
 896             case WINED3DSPSM_NEG:     break;
 897             case WINED3DSPSM_NOT:     break;
 898             case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 899             case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 900             case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 901             case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 902             case WINED3DSPSM_COMP:    break;
 903             case WINED3DSPSM_X2:      TRACE("_x2"); break;
 904             case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 905             case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 906             case WINED3DSPSM_DW:      TRACE("_dw"); break;
 907             case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 908             case WINED3DSPSM_ABS:     TRACE(")"); break;
 909             default:
 910                                       TRACE("_unknown_modifier(%#x)", src_modifier);
 911         }
 912     }
 913
 914     if (swizzle != WINED3DSP_NOSWIZZLE)
 915     {
 916         static const char *swizzle_chars = "xyzw";
 917         DWORD swizzle_x = swizzle & 0x03;
 918         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 919         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 920         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 921
 922         if (swizzle_x == swizzle_y
 923                 && swizzle_x == swizzle_z
 924                 && swizzle_x == swizzle_w)
 925         {
 926             TRACE(".%c", swizzle_chars[swizzle_x]);
 927         }
 928         else
 929         {
 930             TRACE(".%c%c%c%c", swizzle_chars[swizzle_x], swizzle_chars[swizzle_y],
 931                     swizzle_chars[swizzle_z], swizzle_chars[swizzle_w]);
 932         }
 933     }
 934 }
 935
 936 /* Shared code in order to generate the bulk of the shader string.
 937  * NOTE: A description of how to parse tokens can be found on msdn */
 938 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER *buffer,
 939         const shader_reg_maps *reg_maps, const DWORD *pFunction)
 940 {
 941     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 942     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 943     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 944     const struct wined3d_shader_frontend *fe = This->baseShader.frontend;
 945     void *fe_data = This->baseShader.frontend_data;
 946     struct wined3d_shader_src_param src_rel_addr[4];
 947     struct wined3d_shader_src_param src_param[4];
 948     struct wined3d_shader_version shader_version;
 949     struct wined3d_shader_src_param dst_rel_addr;
 950     struct wined3d_shader_dst_param dst_param;
 951     struct wined3d_shader_instruction ins;
 952     struct wined3d_shader_context ctx;
 953     const DWORD *pToken = pFunction;
 954     SHADER_HANDLER hw_fct;
 955     DWORD i;
 956
 957     /* Initialize current parsing state */
 958     ctx.shader = iface;
 959     ctx.reg_maps = reg_maps;
 960     ctx.buffer = buffer;
 961
 962     ins.ctx = &ctx;
 963     ins.dst = &dst_param;
 964     ins.src = src_param;
 965     This->baseShader.parse_state.current_row = 0;
 966
 967     fe->shader_read_header(fe_data, &pToken, &shader_version);
 968
 969     while (!fe->shader_is_end(fe_data, &pToken))
 970     {
 971         const char *comment;
 972         UINT param_size;
 973
 974         /* Skip comment tokens */
 975         fe->shader_read_comment(&pToken, &comment);
 976         if (comment) continue;
 977
 978         /* Read opcode */
 979         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
 980
 981         /* Unknown opcode and its parameters */
 982         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
 983         {
 984             TRACE("Skipping unrecognized instruction.\n");
 985             pToken += param_size;
 986             continue;
 987         }
 988
 989         /* Nothing to do */
 990         if (ins.handler_idx == WINED3DSIH_DCL
 991                 || ins.handler_idx == WINED3DSIH_NOP
 992                 || ins.handler_idx == WINED3DSIH_DEF
 993                 || ins.handler_idx == WINED3DSIH_DEFI
 994                 || ins.handler_idx == WINED3DSIH_DEFB
 995                 || ins.handler_idx == WINED3DSIH_PHASE
 996                 || ins.handler_idx == WINED3DSIH_RET)
 997         {
 998             pToken += param_size;
 999             continue;
1000         }
1001
1002         /* Select handler */
1003         hw_fct = handler_table[ins.handler_idx];
1004
1005         /* Unhandled opcode */
1006         if (!hw_fct)
1007         {
1008             FIXME("Backend can't handle opcode %#x\n", ins.handler_idx);
1009             pToken += param_size;
1010             continue;
1011         }
1012
1013         /* Destination token */
1014         if (ins.dst_count) fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1015
1016         /* Predication token */
1017         if (ins.predicate) ins.predicate = *pToken++;
1018
1019         /* Other source tokens */
1020         for (i = 0; i < ins.src_count; ++i)
1021         {
1022             fe->shader_read_src_param(fe_data, &pToken, &src_param[i], &src_rel_addr[i]);
1023         }
1024
1025         /* Call appropriate function for output target */
1026         hw_fct(&ins);
1027
1028         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
1029         device->shader_backend->shader_add_instruction_modifiers(&ins);
1030     }
1031 }
1032
1033 static void shader_dump_ins_modifiers(const struct wined3d_shader_dst_param *dst)
1034 {
1035     DWORD mmask = dst->modifiers;
1036
1037     switch (dst->shift)
1038     {
1039         case 0: break;
1040         case 13: TRACE("_d8"); break;
1041         case 14: TRACE("_d4"); break;
1042         case 15: TRACE("_d2"); break;
1043         case 1: TRACE("_x2"); break;
1044         case 2: TRACE("_x4"); break;
1045         case 3: TRACE("_x8"); break;
1046         default: TRACE("_unhandled_shift(%d)", dst->shift); break;
1047     }
1048
1049     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
1050     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
1051     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
1052
1053     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
1054     if (mmask)
1055         FIXME("_unrecognized_modifier(%#x)", mmask);
1056 }
1057
1058 void shader_trace_init(const struct wined3d_shader_frontend *fe, void *fe_data, const DWORD *pFunction)
1059 {
1060     struct wined3d_shader_version shader_version;
1061     const DWORD* pToken = pFunction;
1062     DWORD i;
1063
1064     TRACE("Parsing %p\n", pFunction);
1065
1066     fe->shader_read_header(fe_data, &pToken, &shader_version);
1067
1068     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version.type) ? "ps": "vs",
1069             shader_version.major, shader_version.minor);
1070
1071     while (!fe->shader_is_end(fe_data, &pToken))
1072     {
1073         struct wined3d_shader_instruction ins;
1074         const char *comment;
1075         UINT param_size;
1076
1077         /* comment */
1078         fe->shader_read_comment(&pToken, &comment);
1079         if (comment)
1080         {
1081             TRACE("//%s\n", comment);
1082             continue;
1083         }
1084
1085         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
1086         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1087         {
1088             TRACE("Skipping unrecognized instruction.\n");
1089             pToken += param_size;
1090             continue;
1091         }
1092
1093         if (ins.handler_idx == WINED3DSIH_DCL)
1094         {
1095             struct wined3d_shader_semantic semantic;
1096
1097             fe->shader_read_semantic(&pToken, &semantic);
1098
1099             shader_dump_decl_usage(&semantic, &shader_version);
1100             shader_dump_ins_modifiers(&semantic.reg);
1101             TRACE(" ");
1102             shader_dump_dst_param(&semantic.reg, &shader_version);
1103         }
1104         else if (ins.handler_idx == WINED3DSIH_DEF)
1105         {
1106             struct wined3d_shader_dst_param dst;
1107             struct wined3d_shader_src_param rel_addr;
1108
1109             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1110
1111             TRACE("def c%u = %f, %f, %f, %f", shader_get_float_offset(dst.reg.type, dst.reg.idx),
1112                     *(const float *)(pToken),
1113                     *(const float *)(pToken + 1),
1114                     *(const float *)(pToken + 2),
1115                     *(const float *)(pToken + 3));
1116             pToken += 4;
1117         }
1118         else if (ins.handler_idx == WINED3DSIH_DEFI)
1119         {
1120             struct wined3d_shader_dst_param dst;
1121             struct wined3d_shader_src_param rel_addr;
1122
1123             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1124
1125             TRACE("defi i%u = %d, %d, %d, %d", dst.reg.idx,
1126                     *(pToken),
1127                     *(pToken + 1),
1128                     *(pToken + 2),
1129                     *(pToken + 3));
1130             pToken += 4;
1131         }
1132         else if (ins.handler_idx == WINED3DSIH_DEFB)
1133         {
1134             struct wined3d_shader_dst_param dst;
1135             struct wined3d_shader_src_param rel_addr;
1136
1137             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1138
1139             TRACE("defb b%u = %s", dst.reg.idx, *pToken ? "true" : "false");
1140             ++pToken;
1141         }
1142         else
1143         {
1144             struct wined3d_shader_src_param dst_rel_addr, src_rel_addr;
1145             struct wined3d_shader_dst_param dst_param;
1146             struct wined3d_shader_src_param src_param;
1147
1148             if (ins.dst_count)
1149             {
1150                 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1151             }
1152
1153             /* Print out predication source token first - it follows
1154              * the destination token. */
1155             if (ins.predicate)
1156             {
1157                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1158                 TRACE("(");
1159                 shader_dump_src_param(&src_param, &shader_version);
1160                 TRACE(") ");
1161             }
1162
1163             /* PixWin marks instructions with the coissue flag with a '+' */
1164             if (ins.coissue) TRACE("+");
1165
1166             TRACE("%s", shader_opcode_names[ins.handler_idx]);
1167
1168             if (ins.handler_idx == WINED3DSIH_IFC
1169                     || ins.handler_idx == WINED3DSIH_BREAKC)
1170             {
1171                 switch (ins.flags)
1172                 {
1173                     case COMPARISON_GT: TRACE("_gt"); break;
1174                     case COMPARISON_EQ: TRACE("_eq"); break;
1175                     case COMPARISON_GE: TRACE("_ge"); break;
1176                     case COMPARISON_LT: TRACE("_lt"); break;
1177                     case COMPARISON_NE: TRACE("_ne"); break;
1178                     case COMPARISON_LE: TRACE("_le"); break;
1179                     default: TRACE("_(%u)", ins.flags);
1180                 }
1181             }
1182             else if (ins.handler_idx == WINED3DSIH_TEX
1183                     && shader_version.major >= 2
1184                     && (ins.flags & WINED3DSI_TEXLD_PROJECT))
1185             {
1186                 TRACE("p");
1187             }
1188
1189             /* We already read the destination token, print it. */
1190             if (ins.dst_count)
1191             {
1192                 shader_dump_ins_modifiers(&dst_param);
1193                 TRACE(" ");
1194                 shader_dump_dst_param(&dst_param, &shader_version);
1195             }
1196
1197             /* Other source tokens */
1198             for (i = ins.dst_count; i < (ins.dst_count + ins.src_count); ++i)
1199             {
1200                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1201                 TRACE(!i ? " " : ", ");
1202                 shader_dump_src_param(&src_param, &shader_version);
1203             }
1204         }
1205         TRACE("\n");
1206     }
1207 }
1208
1209 void shader_cleanup(IWineD3DBaseShader *iface)
1210 {
1211     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1212
1213     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1214     HeapFree(GetProcessHeap(), 0, This->baseShader.reg_maps.constf);
1215     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1216     shader_delete_constant_list(&This->baseShader.constantsF);
1217     shader_delete_constant_list(&This->baseShader.constantsB);
1218     shader_delete_constant_list(&This->baseShader.constantsI);
1219     list_remove(&This->baseShader.shader_list_entry);
1220
1221     if (This->baseShader.frontend && This->baseShader.frontend_data)
1222     {
1223         This->baseShader.frontend->shader_free(This->baseShader.frontend_data);
1224     }
1225 }
1226
1227 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1228 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1229 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1230 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1231 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1232 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1233 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1234 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1235 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1236 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1237 static void shader_none_free(IWineD3DDevice *iface) {}
1238 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1239 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface,
1240         SHADER_BUFFER *buffer, const struct ps_compile_args *args)
1241 {
1242     FIXME("NONE shader backend asked to generate a pixel shader\n");
1243     return 0;
1244 }
1245 static GLuint shader_none_generate_vshader(IWineD3DVertexShader *iface,
1246         SHADER_BUFFER *buffer, const struct vs_compile_args *args)
1247 {
1248     FIXME("NONE shader backend asked to generate a vertex shader\n");
1249     return 0;
1250 }
1251 static void shader_none_add_instruction_modifiers(const struct wined3d_shader_instruction *ins) {}
1252
1253 #define GLINFO_LOCATION      (*gl_info)
1254 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1255 {
1256     /* Set the shader caps to 0 for the none shader backend */
1257     pCaps->VertexShaderVersion  = 0;
1258     pCaps->PixelShaderVersion    = 0;
1259     pCaps->PixelShader1xMaxValue = 0.0;
1260 }
1261 #undef GLINFO_LOCATION
1262 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1263 {
1264     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1265     {
1266         TRACE("Checking support for fixup:\n");
1267         dump_color_fixup_desc(fixup);
1268     }
1269
1270     /* Faked to make some apps happy. */
1271     if (!is_yuv_fixup(fixup))
1272     {
1273         TRACE("[OK]\n");
1274         return TRUE;
1275     }
1276
1277     TRACE("[FAILED]\n");
1278     return FALSE;
1279 }
1280
1281 const shader_backend_t none_shader_backend = {
1282     shader_none_instruction_handler_table,
1283     shader_none_select,
1284     shader_none_select_depth_blt,
1285     shader_none_deselect_depth_blt,
1286     shader_none_update_float_vertex_constants,
1287     shader_none_update_float_pixel_constants,
1288     shader_none_load_constants,
1289     shader_none_load_np2fixup_constants,
1290     shader_none_destroy,
1291     shader_none_alloc,
1292     shader_none_free,
1293     shader_none_dirty_const,
1294     shader_none_generate_pshader,
1295     shader_none_generate_vshader,
1296     shader_none_get_caps,
1297     shader_none_color_fixup_supported,
1298     shader_none_add_instruction_modifiers,
1299 };