git.oblomov.eu Git - wine/blob - dlls/wined3d/baseshader.c

   1 /*
   2  * shaders implementation
   3  *
   4  * Copyright 2002-2003 Jason Edmeades
   5  * Copyright 2002-2003 Raphael Junqueira
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  * Copyright 2006 Ivan Gyurdiev
   9  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
  10  * 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         const struct wined3d_shader_register *reg, BOOL pshader)
 250 {
 251     switch (reg->type)
 252     {
 253         case WINED3DSPR_TEXTURE: /* WINED3DSPR_ADDR */
 254             if (pshader) reg_maps->texcoord[reg->idx] = 1;
 255             else reg_maps->address[reg->idx] = 1;
 256             break;
 257
 258         case WINED3DSPR_TEMP:
 259             reg_maps->temporary[reg->idx] = 1;
 260             break;
 261
 262         case WINED3DSPR_INPUT:
 263             if (!pshader) reg_maps->input_registers |= 1 << reg->idx;
 264             else
 265             {
 266                 if (reg->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[reg->idx] = TRUE;
 280                 }
 281             }
 282             break;
 283
 284         case WINED3DSPR_RASTOUT:
 285             if (reg->idx == 1) reg_maps->fog = 1;
 286             break;
 287
 288         case WINED3DSPR_MISCTYPE:
 289             if (pshader && reg->idx == 0) reg_maps->vpos = 1;
 290             break;
 291
 292         case WINED3DSPR_CONST:
 293             if (reg->rel_addr)
 294             {
 295                 if (!pshader)
 296                 {
 297                     if (reg->idx <= ((IWineD3DVertexShaderImpl *)This)->min_rel_offset)
 298                         ((IWineD3DVertexShaderImpl *)This)->min_rel_offset = reg->idx;
 299                     else if (reg->idx >= ((IWineD3DVertexShaderImpl *)This)->max_rel_offset)
 300                         ((IWineD3DVertexShaderImpl *)This)->max_rel_offset = reg->idx;
 301                 }
 302                 reg_maps->usesrelconstF = TRUE;
 303             }
 304             else
 305             {
 306                 set_bitmap_bit(reg_maps->constf, reg->idx);
 307             }
 308             break;
 309
 310         case WINED3DSPR_CONSTINT:
 311             reg_maps->integer_constants |= (1 << reg->idx);
 312             break;
 313
 314         case WINED3DSPR_CONSTBOOL:
 315             reg_maps->boolean_constants |= (1 << reg->idx);
 316             break;
 317
 318         default:
 319             TRACE("Not recording register of type %#x and idx %u\n", reg->type, reg->idx);
 320             break;
 321     }
 322 }
 323
 324 static unsigned int get_instr_extra_regcount(enum WINED3D_SHADER_INSTRUCTION_HANDLER instr, unsigned int param)
 325 {
 326     switch(instr)
 327     {
 328         case WINED3DSIH_M4x4:
 329         case WINED3DSIH_M3x4:
 330             return param == 1 ? 3 : 0;
 331
 332         case WINED3DSIH_M4x3:
 333         case WINED3DSIH_M3x3:
 334             return param == 1 ? 2 : 0;
 335
 336         case WINED3DSIH_M3x2:
 337             return param == 1 ? 1 : 0;
 338
 339         default:
 340             return 0;
 341     }
 342 }
 343
 344 static const char *shader_semantic_name_from_usage(WINED3DDECLUSAGE usage)
 345 {
 346     static const char *semantic_names[] =
 347     {
 348         /* WINED3DDECLUSAGE_POSITION        */ "SV_POSITION",
 349         /* WINED3DDECLUSAGE_BLENDWEIGHT     */ "BLENDWEIGHT",
 350         /* WINED3DDECLUSAGE_BLENDINDICES    */ "BLENDINDICES",
 351         /* WINED3DDECLUSAGE_NORMAL          */ "NORMAL",
 352         /* WINED3DDECLUSAGE_PSIZE           */ "PSIZE",
 353         /* WINED3DDECLUSAGE_TEXCOORD        */ "TEXCOORD",
 354         /* WINED3DDECLUSAGE_TANGENT         */ "TANGENT",
 355         /* WINED3DDECLUSAGE_BINORMAL        */ "BINORMAL",
 356         /* WINED3DDECLUSAGE_TESSFACTOR      */ "TESSFACTOR",
 357         /* WINED3DDECLUSAGE_POSITIONT       */ "POSITIONT",
 358         /* WINED3DDECLUSAGE_COLOR           */ "COLOR",
 359         /* WINED3DDECLUSAGE_FOG             */ "FOG",
 360         /* WINED3DDECLUSAGE_DEPTH           */ "DEPTH",
 361         /* WINED3DDECLUSAGE_SAMPLE          */ "SAMPLE",
 362     };
 363
 364     if (usage >= sizeof(semantic_names) / sizeof(*semantic_names))
 365     {
 366         FIXME("Unrecognized usage %#x\n", usage);
 367         return "UNRECOGNIZED";
 368     }
 369
 370     return semantic_names[usage];
 371 }
 372
 373 BOOL shader_match_semantic(const char *semantic_name, WINED3DDECLUSAGE usage)
 374 {
 375     return !strcmp(semantic_name, shader_semantic_name_from_usage(usage));
 376 }
 377
 378 static void shader_signature_from_semantic(struct wined3d_shader_signature_element *e,
 379         const struct wined3d_shader_semantic *s)
 380 {
 381     e->semantic_name = shader_semantic_name_from_usage(s->usage);
 382     e->semantic_idx = s->usage_idx;
 383     e->sysval_semantic = 0;
 384     e->component_type = 0;
 385     e->register_idx = s->reg.reg.idx;
 386     e->mask = s->reg.write_mask;
 387 }
 388
 389 /* Note that this does not count the loop register
 390  * as an address register. */
 391
 392 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct wined3d_shader_frontend *fe,
 393         struct shader_reg_maps *reg_maps, struct wined3d_shader_attribute *attributes,
 394         struct wined3d_shader_signature_element *input_signature,
 395         struct wined3d_shader_signature_element *output_signature, const DWORD *byte_code, DWORD constf_size)
 396 {
 397     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 398     void *fe_data = This->baseShader.frontend_data;
 399     struct wined3d_shader_version shader_version;
 400     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 401     const DWORD* pToken = byte_code;
 402     char pshader;
 403
 404     /* There are some minor differences between pixel and vertex shaders */
 405
 406     memset(reg_maps, 0, sizeof(*reg_maps));
 407
 408     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 409      * in stacking up a collection of local constants. Delete the old constants if existing
 410      */
 411     shader_delete_constant_list(&This->baseShader.constantsF);
 412     shader_delete_constant_list(&This->baseShader.constantsB);
 413     shader_delete_constant_list(&This->baseShader.constantsI);
 414
 415     fe->shader_read_header(fe_data, &pToken, &shader_version);
 416     reg_maps->shader_version = shader_version;
 417     pshader = shader_is_pshader_version(shader_version.type);
 418
 419     reg_maps->constf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 420                                  sizeof(*reg_maps->constf) * ((constf_size + 31) / 32));
 421     if(!reg_maps->constf) {
 422         ERR("Out of memory\n");
 423         return E_OUTOFMEMORY;
 424     }
 425
 426     while (!fe->shader_is_end(fe_data, &pToken))
 427     {
 428         struct wined3d_shader_instruction ins;
 429         const char *comment;
 430         UINT param_size;
 431
 432         /* Skip comments */
 433         fe->shader_read_comment(&pToken, &comment);
 434         if (comment) continue;
 435
 436         /* Fetch opcode */
 437         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
 438
 439         /* Unhandled opcode, and its parameters */
 440         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
 441         {
 442             TRACE("Skipping unrecognized instruction.\n");
 443             pToken += param_size;
 444             continue;
 445         }
 446
 447         /* Handle declarations */
 448         if (ins.handler_idx == WINED3DSIH_DCL)
 449         {
 450             struct wined3d_shader_semantic semantic;
 451
 452             fe->shader_read_semantic(&pToken, &semantic);
 453
 454             switch (semantic.reg.reg.type)
 455             {
 456                 /* Vshader: mark attributes used
 457                  * Pshader: mark 3.0 input registers used, save token */
 458                 case WINED3DSPR_INPUT:
 459                     reg_maps->input_registers |= 1 << semantic.reg.reg.idx;
 460                     if (shader_version.type == WINED3D_SHADER_TYPE_VERTEX)
 461                     {
 462                         attributes[semantic.reg.reg.idx].usage = semantic.usage;
 463                         attributes[semantic.reg.reg.idx].usage_idx = semantic.usage_idx;
 464                     }
 465                     else
 466                     {
 467                         shader_signature_from_semantic(&input_signature[semantic.reg.reg.idx], &semantic);
 468                     }
 469                     break;
 470
 471                 /* Vshader: mark 3.0 output registers used, save token */
 472                 case WINED3DSPR_OUTPUT:
 473                     reg_maps->output_registers |= 1 << semantic.reg.reg.idx;
 474                     shader_signature_from_semantic(&output_signature[semantic.reg.reg.idx], &semantic);
 475                     if (semantic.usage == WINED3DDECLUSAGE_FOG) reg_maps->fog = 1;
 476                     break;
 477
 478                 /* Save sampler usage token */
 479                 case WINED3DSPR_SAMPLER:
 480                     reg_maps->sampler_type[semantic.reg.reg.idx] = semantic.sampler_type;
 481                     break;
 482
 483                 default:
 484                     TRACE("Not recording DCL register type %#x.\n", semantic.reg.reg.type);
 485                     break;
 486             }
 487         }
 488         else if (ins.handler_idx == WINED3DSIH_DEF)
 489         {
 490             struct wined3d_shader_dst_param dst;
 491             struct wined3d_shader_src_param rel_addr;
 492
 493             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 494             if (!lconst) return E_OUTOFMEMORY;
 495
 496             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 497             lconst->idx = dst.reg.idx;
 498
 499             memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
 500             pToken += 4;
 501
 502             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 503             if (shader_version.major == 1 && pshader)
 504             {
 505                 float *value = (float *) lconst->value;
 506                 if(value[0] < -1.0) value[0] = -1.0;
 507                 else if(value[0] >  1.0) value[0] =  1.0;
 508                 if(value[1] < -1.0) value[1] = -1.0;
 509                 else if(value[1] >  1.0) value[1] =  1.0;
 510                 if(value[2] < -1.0) value[2] = -1.0;
 511                 else if(value[2] >  1.0) value[2] =  1.0;
 512                 if(value[3] < -1.0) value[3] = -1.0;
 513                 else if(value[3] >  1.0) value[3] =  1.0;
 514             }
 515
 516             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 517         }
 518         else if (ins.handler_idx == WINED3DSIH_DEFI)
 519         {
 520             struct wined3d_shader_dst_param dst;
 521             struct wined3d_shader_src_param rel_addr;
 522
 523             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 524             if (!lconst) return E_OUTOFMEMORY;
 525
 526             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 527             lconst->idx = dst.reg.idx;
 528
 529             memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
 530             pToken += 4;
 531
 532             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 533         }
 534         else if (ins.handler_idx == WINED3DSIH_DEFB)
 535         {
 536             struct wined3d_shader_dst_param dst;
 537             struct wined3d_shader_src_param rel_addr;
 538
 539             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 540             if (!lconst) return E_OUTOFMEMORY;
 541
 542             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 543             lconst->idx = dst.reg.idx;
 544
 545             memcpy(lconst->value, pToken, sizeof(DWORD));
 546             ++pToken;
 547
 548             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 549             reg_maps->local_bool_consts |= (1 << dst.reg.idx);
 550         }
 551         /* If there's a loop in the shader */
 552         else if (ins.handler_idx == WINED3DSIH_LOOP
 553                 || ins.handler_idx == WINED3DSIH_REP)
 554         {
 555             struct wined3d_shader_src_param src, rel_addr;
 556
 557             fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 558
 559             /* Rep and Loop always use an integer constant for the control parameters */
 560             if (ins.handler_idx == WINED3DSIH_REP)
 561             {
 562                 reg_maps->integer_constants |= 1 << src.reg.idx;
 563             }
 564             else
 565             {
 566                 fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 567                 reg_maps->integer_constants |= 1 << src.reg.idx;
 568             }
 569
 570             cur_loop_depth++;
 571             if(cur_loop_depth > max_loop_depth)
 572                 max_loop_depth = cur_loop_depth;
 573         }
 574         else if (ins.handler_idx == WINED3DSIH_ENDLOOP
 575                 || ins.handler_idx == WINED3DSIH_ENDREP)
 576         {
 577             cur_loop_depth--;
 578         }
 579         /* For subroutine prototypes */
 580         else if (ins.handler_idx == WINED3DSIH_LABEL)
 581         {
 582             struct wined3d_shader_src_param src, rel_addr;
 583
 584             fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 585             reg_maps->labels[src.reg.idx] = 1;
 586         }
 587         /* Set texture, address, temporary registers */
 588         else
 589         {
 590             int i, limit;
 591
 592             /* This will loop over all the registers and try to
 593              * make a bitmask of the ones we're interested in.
 594              *
 595              * Relative addressing tokens are ignored, but that's
 596              * okay, since we'll catch any address registers when
 597              * they are initialized (required by spec) */
 598
 599             if (ins.dst_count)
 600             {
 601                 struct wined3d_shader_dst_param dst_param;
 602                 struct wined3d_shader_src_param dst_rel_addr;
 603
 604                 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
 605
 606                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and
 607                  * is used in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel
 608                  * shaders because TECRDOUT isn't used in them, but future register types might cause issues */
 609                 if (!pshader && shader_version.major < 3 && dst_param.reg.type == WINED3DSPR_TEXCRDOUT)
 610                 {
 611                     reg_maps->texcoord_mask[dst_param.reg.type] |= dst_param.write_mask;
 612                 }
 613                 else
 614                 {
 615                     shader_record_register_usage(This, reg_maps, &dst_param.reg, pshader);
 616                 }
 617
 618                 /* Declare 1.X samplers implicitly, based on the destination reg. number */
 619                 if (shader_version.major == 1
 620                         && pshader /* Filter different instructions with the same enum values in VS */
 621                         && (ins.handler_idx == WINED3DSIH_TEX
 622                             || ins.handler_idx == WINED3DSIH_TEXBEM
 623                             || ins.handler_idx == WINED3DSIH_TEXBEML
 624                             || ins.handler_idx == WINED3DSIH_TEXDP3TEX
 625                             || ins.handler_idx == WINED3DSIH_TEXM3x2TEX
 626                             || ins.handler_idx == WINED3DSIH_TEXM3x3SPEC
 627                             || ins.handler_idx == WINED3DSIH_TEXM3x3TEX
 628                             || ins.handler_idx == WINED3DSIH_TEXM3x3VSPEC
 629                             || ins.handler_idx == WINED3DSIH_TEXREG2AR
 630                             || ins.handler_idx == WINED3DSIH_TEXREG2GB
 631                             || ins.handler_idx == WINED3DSIH_TEXREG2RGB))
 632                 {
 633                     /* Fake sampler usage, only set reserved bit and ttype */
 634                     DWORD sampler_code = dst_param.reg.idx;
 635
 636                     TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 637                     reg_maps->sampler_type[sampler_code] = WINED3DSTT_2D;
 638
 639                     /* texbem is only valid with < 1.4 pixel shaders */
 640                     if (ins.handler_idx == WINED3DSIH_TEXBEM
 641                             || ins.handler_idx == WINED3DSIH_TEXBEML)
 642                     {
 643                         reg_maps->bumpmat[sampler_code] = TRUE;
 644                         if (ins.handler_idx == WINED3DSIH_TEXBEML)
 645                         {
 646                             reg_maps->luminanceparams[sampler_code] = TRUE;
 647                         }
 648                     }
 649                 }
 650                 else if (pshader && ins.handler_idx == WINED3DSIH_BEM)
 651                 {
 652                     reg_maps->bumpmat[dst_param.reg.idx] = TRUE;
 653                 }
 654             }
 655
 656             if (ins.handler_idx == WINED3DSIH_NRM)
 657             {
 658                 reg_maps->usesnrm = 1;
 659             }
 660             else if (ins.handler_idx == WINED3DSIH_DSY)
 661             {
 662                 reg_maps->usesdsy = 1;
 663             }
 664             else if(ins.handler_idx == WINED3DSIH_TEXLDD)
 665             {
 666                 reg_maps->usestexldd = 1;
 667             }
 668             else if(ins.handler_idx == WINED3DSIH_MOVA)
 669             {
 670                 reg_maps->usesmova = 1;
 671             }
 672
 673             limit = ins.src_count + (ins.predicate ? 1 : 0);
 674             for (i = 0; i < limit; ++i)
 675             {
 676                 struct wined3d_shader_src_param src_param, src_rel_addr;
 677                 unsigned int count;
 678
 679                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
 680                 count = get_instr_extra_regcount(ins.handler_idx, i);
 681
 682                 shader_record_register_usage(This, reg_maps, &src_param.reg, pshader);
 683                 while (count)
 684                 {
 685                     ++src_param.reg.idx;
 686                     shader_record_register_usage(This, reg_maps, &src_param.reg, pshader);
 687                     --count;
 688                 }
 689             }
 690         }
 691     }
 692     reg_maps->loop_depth = max_loop_depth;
 693
 694     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 695
 696     return WINED3D_OK;
 697 }
 698
 699 static void shader_dump_decl_usage(const struct wined3d_shader_semantic *semantic,
 700         const struct wined3d_shader_version *shader_version)
 701 {
 702     TRACE("dcl");
 703
 704     if (semantic->reg.reg.type == WINED3DSPR_SAMPLER)
 705     {
 706         switch (semantic->sampler_type)
 707         {
 708             case WINED3DSTT_2D: TRACE("_2d"); break;
 709             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 710             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 711             default: TRACE("_unknown_ttype(0x%08x)", semantic->sampler_type);
 712         }
 713     }
 714     else
 715     {
 716         /* Pixel shaders 3.0 don't have usage semantics */
 717         if (shader_is_pshader_version(shader_version->type) && shader_version->major < 3)
 718             return;
 719         else
 720             TRACE("_");
 721
 722         switch (semantic->usage)
 723         {
 724             case WINED3DDECLUSAGE_POSITION:
 725                 TRACE("position%d", semantic->usage_idx);
 726                 break;
 727             case WINED3DDECLUSAGE_BLENDINDICES:
 728                 TRACE("blend");
 729                 break;
 730             case WINED3DDECLUSAGE_BLENDWEIGHT:
 731                 TRACE("weight");
 732                 break;
 733             case WINED3DDECLUSAGE_NORMAL:
 734                 TRACE("normal%d", semantic->usage_idx);
 735                 break;
 736             case WINED3DDECLUSAGE_PSIZE:
 737                 TRACE("psize");
 738                 break;
 739             case WINED3DDECLUSAGE_COLOR:
 740                 if (semantic->usage_idx == 0) TRACE("color");
 741                 else TRACE("specular%d", (semantic->usage_idx - 1));
 742                 break;
 743             case WINED3DDECLUSAGE_TEXCOORD:
 744                 TRACE("texture%d", semantic->usage_idx);
 745                 break;
 746             case WINED3DDECLUSAGE_TANGENT:
 747                 TRACE("tangent");
 748                 break;
 749             case WINED3DDECLUSAGE_BINORMAL:
 750                 TRACE("binormal");
 751                 break;
 752             case WINED3DDECLUSAGE_TESSFACTOR:
 753                 TRACE("tessfactor");
 754                 break;
 755             case WINED3DDECLUSAGE_POSITIONT:
 756                 TRACE("positionT%d", semantic->usage_idx);
 757                 break;
 758             case WINED3DDECLUSAGE_FOG:
 759                 TRACE("fog");
 760                 break;
 761             case WINED3DDECLUSAGE_DEPTH:
 762                 TRACE("depth");
 763                 break;
 764             case WINED3DDECLUSAGE_SAMPLE:
 765                 TRACE("sample");
 766                 break;
 767             default:
 768                 FIXME("unknown_semantics(0x%08x)", semantic->usage);
 769         }
 770     }
 771 }
 772
 773 static void shader_dump_register(const struct wined3d_shader_register *reg,
 774         const struct wined3d_shader_version *shader_version)
 775 {
 776     static const char * const rastout_reg_names[] = {"oPos", "oFog", "oPts"};
 777     static const char * const misctype_reg_names[] = {"vPos", "vFace"};
 778     UINT offset = reg->idx;
 779
 780     switch (reg->type)
 781     {
 782         case WINED3DSPR_TEMP:
 783             TRACE("r");
 784             break;
 785
 786         case WINED3DSPR_INPUT:
 787             TRACE("v");
 788             break;
 789
 790         case WINED3DSPR_CONST:
 791         case WINED3DSPR_CONST2:
 792         case WINED3DSPR_CONST3:
 793         case WINED3DSPR_CONST4:
 794             TRACE("c");
 795             offset = shader_get_float_offset(reg->type, reg->idx);
 796             break;
 797
 798         case WINED3DSPR_TEXTURE: /* vs: case WINED3DSPR_ADDR */
 799             TRACE("%c", shader_is_pshader_version(shader_version->type) ? 't' : 'a');
 800             break;
 801
 802         case WINED3DSPR_RASTOUT:
 803             TRACE("%s", rastout_reg_names[reg->idx]);
 804             break;
 805
 806         case WINED3DSPR_COLOROUT:
 807             TRACE("oC");
 808             break;
 809
 810         case WINED3DSPR_DEPTHOUT:
 811             TRACE("oDepth");
 812             break;
 813
 814         case WINED3DSPR_ATTROUT:
 815             TRACE("oD");
 816             break;
 817
 818         case WINED3DSPR_TEXCRDOUT:
 819             /* Vertex shaders >= 3.0 use general purpose output registers
 820              * (WINED3DSPR_OUTPUT), which can include an address token */
 821             if (shader_version->major >= 3) TRACE("o");
 822             else TRACE("oT");
 823             break;
 824
 825         case WINED3DSPR_CONSTINT:
 826             TRACE("i");
 827             break;
 828
 829         case WINED3DSPR_CONSTBOOL:
 830             TRACE("b");
 831             break;
 832
 833         case WINED3DSPR_LABEL:
 834             TRACE("l");
 835             break;
 836
 837         case WINED3DSPR_LOOP:
 838             TRACE("aL");
 839             break;
 840
 841         case WINED3DSPR_SAMPLER:
 842             TRACE("s");
 843             break;
 844
 845         case WINED3DSPR_MISCTYPE:
 846             if (reg->idx > 1) FIXME("Unhandled misctype register %d\n", reg->idx);
 847             else TRACE("%s", misctype_reg_names[reg->idx]);
 848             break;
 849
 850         case WINED3DSPR_PREDICATE:
 851             TRACE("p");
 852             break;
 853
 854         case WINED3DSPR_IMMCONST:
 855             TRACE("l");
 856             break;
 857
 858         default:
 859             TRACE("unhandled_rtype(%#x)", reg->type);
 860             break;
 861     }
 862
 863     if (reg->type == WINED3DSPR_IMMCONST)
 864     {
 865         TRACE("(");
 866         switch (reg->immconst_type)
 867         {
 868             case WINED3D_IMMCONST_FLOAT:
 869                 TRACE("%.8e", *(float *)reg->immconst_data);
 870                 break;
 871
 872             case WINED3D_IMMCONST_FLOAT4:
 873                 TRACE("%.8e, %.8e, %.8e, %.8e",
 874                         *(float *)&reg->immconst_data[0], *(float *)&reg->immconst_data[1],
 875                         *(float *)&reg->immconst_data[2], *(float *)&reg->immconst_data[3]);
 876                 break;
 877
 878             default:
 879                 TRACE("<unhandled immconst_type %#x>", reg->immconst_type);
 880                 break;
 881         }
 882         TRACE(")");
 883     }
 884     else if (reg->type != WINED3DSPR_RASTOUT && reg->type != WINED3DSPR_MISCTYPE)
 885     {
 886         if (reg->rel_addr)
 887         {
 888             TRACE("[");
 889             shader_dump_src_param(reg->rel_addr, shader_version);
 890             TRACE(" + ");
 891         }
 892         TRACE("%u", offset);
 893         if (reg->rel_addr) TRACE("]");
 894     }
 895 }
 896
 897 void shader_dump_dst_param(const struct wined3d_shader_dst_param *param,
 898         const struct wined3d_shader_version *shader_version)
 899 {
 900     DWORD write_mask = param->write_mask;
 901
 902     shader_dump_register(&param->reg, shader_version);
 903
 904     if (write_mask != WINED3DSP_WRITEMASK_ALL)
 905     {
 906         static const char *write_mask_chars = "xyzw";
 907
 908         TRACE(".");
 909         if (write_mask & WINED3DSP_WRITEMASK_0) TRACE("%c", write_mask_chars[0]);
 910         if (write_mask & WINED3DSP_WRITEMASK_1) TRACE("%c", write_mask_chars[1]);
 911         if (write_mask & WINED3DSP_WRITEMASK_2) TRACE("%c", write_mask_chars[2]);
 912         if (write_mask & WINED3DSP_WRITEMASK_3) TRACE("%c", write_mask_chars[3]);
 913     }
 914 }
 915
 916 void shader_dump_src_param(const struct wined3d_shader_src_param *param,
 917         const struct wined3d_shader_version *shader_version)
 918 {
 919     DWORD src_modifier = param->modifiers;
 920     DWORD swizzle = param->swizzle;
 921
 922     if (src_modifier == WINED3DSPSM_NEG
 923             || src_modifier == WINED3DSPSM_BIASNEG
 924             || src_modifier == WINED3DSPSM_SIGNNEG
 925             || src_modifier == WINED3DSPSM_X2NEG
 926             || src_modifier == WINED3DSPSM_ABSNEG)
 927         TRACE("-");
 928     else if (src_modifier == WINED3DSPSM_COMP)
 929         TRACE("1-");
 930     else if (src_modifier == WINED3DSPSM_NOT)
 931         TRACE("!");
 932
 933     if (src_modifier == WINED3DSPSM_ABS || src_modifier == WINED3DSPSM_ABSNEG)
 934         TRACE("abs(");
 935
 936     shader_dump_register(&param->reg, shader_version);
 937
 938     if (src_modifier)
 939     {
 940         switch (src_modifier)
 941         {
 942             case WINED3DSPSM_NONE:    break;
 943             case WINED3DSPSM_NEG:     break;
 944             case WINED3DSPSM_NOT:     break;
 945             case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 946             case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 947             case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 948             case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 949             case WINED3DSPSM_COMP:    break;
 950             case WINED3DSPSM_X2:      TRACE("_x2"); break;
 951             case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 952             case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 953             case WINED3DSPSM_DW:      TRACE("_dw"); break;
 954             case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 955             case WINED3DSPSM_ABS:     TRACE(")"); break;
 956             default:
 957                                       TRACE("_unknown_modifier(%#x)", src_modifier);
 958         }
 959     }
 960
 961     if (swizzle != WINED3DSP_NOSWIZZLE)
 962     {
 963         static const char *swizzle_chars = "xyzw";
 964         DWORD swizzle_x = swizzle & 0x03;
 965         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 966         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 967         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 968
 969         if (swizzle_x == swizzle_y
 970                 && swizzle_x == swizzle_z
 971                 && swizzle_x == swizzle_w)
 972         {
 973             TRACE(".%c", swizzle_chars[swizzle_x]);
 974         }
 975         else
 976         {
 977             TRACE(".%c%c%c%c", swizzle_chars[swizzle_x], swizzle_chars[swizzle_y],
 978                     swizzle_chars[swizzle_z], swizzle_chars[swizzle_w]);
 979         }
 980     }
 981 }
 982
 983 /* Shared code in order to generate the bulk of the shader string.
 984  * NOTE: A description of how to parse tokens can be found on msdn */
 985 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER *buffer,
 986         const shader_reg_maps *reg_maps, const DWORD *pFunction, void *backend_ctx)
 987 {
 988     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 989     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 990     const struct wined3d_shader_frontend *fe = This->baseShader.frontend;
 991     void *fe_data = This->baseShader.frontend_data;
 992     struct wined3d_shader_src_param src_rel_addr[4];
 993     struct wined3d_shader_src_param src_param[4];
 994     struct wined3d_shader_version shader_version;
 995     struct wined3d_shader_src_param dst_rel_addr;
 996     struct wined3d_shader_dst_param dst_param;
 997     struct wined3d_shader_instruction ins;
 998     struct wined3d_shader_context ctx;
 999     const DWORD *pToken = pFunction;
1000     DWORD i;
1001
1002     /* Initialize current parsing state */
1003     ctx.shader = iface;
1004     ctx.reg_maps = reg_maps;
1005     ctx.buffer = buffer;
1006     ctx.backend_data = backend_ctx;
1007
1008     ins.ctx = &ctx;
1009     ins.dst = &dst_param;
1010     ins.src = src_param;
1011     This->baseShader.parse_state.current_row = 0;
1012
1013     fe->shader_read_header(fe_data, &pToken, &shader_version);
1014
1015     while (!fe->shader_is_end(fe_data, &pToken))
1016     {
1017         const char *comment;
1018         UINT param_size;
1019
1020         /* Skip comment tokens */
1021         fe->shader_read_comment(&pToken, &comment);
1022         if (comment) continue;
1023
1024         /* Read opcode */
1025         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
1026
1027         /* Unknown opcode and its parameters */
1028         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1029         {
1030             TRACE("Skipping unrecognized instruction.\n");
1031             pToken += param_size;
1032             continue;
1033         }
1034
1035         /* Nothing to do */
1036         if (ins.handler_idx == WINED3DSIH_DCL
1037                 || ins.handler_idx == WINED3DSIH_NOP
1038                 || ins.handler_idx == WINED3DSIH_DEF
1039                 || ins.handler_idx == WINED3DSIH_DEFI
1040                 || ins.handler_idx == WINED3DSIH_DEFB
1041                 || ins.handler_idx == WINED3DSIH_PHASE
1042                 || ins.handler_idx == WINED3DSIH_RET)
1043         {
1044             pToken += param_size;
1045             continue;
1046         }
1047
1048         /* Destination token */
1049         if (ins.dst_count) fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1050
1051         /* Predication token */
1052         if (ins.predicate) ins.predicate = *pToken++;
1053
1054         /* Other source tokens */
1055         for (i = 0; i < ins.src_count; ++i)
1056         {
1057             fe->shader_read_src_param(fe_data, &pToken, &src_param[i], &src_rel_addr[i]);
1058         }
1059
1060         /* Call appropriate function for output target */
1061         device->shader_backend->shader_handle_instruction(&ins);
1062     }
1063 }
1064
1065 static void shader_dump_ins_modifiers(const struct wined3d_shader_dst_param *dst)
1066 {
1067     DWORD mmask = dst->modifiers;
1068
1069     switch (dst->shift)
1070     {
1071         case 0: break;
1072         case 13: TRACE("_d8"); break;
1073         case 14: TRACE("_d4"); break;
1074         case 15: TRACE("_d2"); break;
1075         case 1: TRACE("_x2"); break;
1076         case 2: TRACE("_x4"); break;
1077         case 3: TRACE("_x8"); break;
1078         default: TRACE("_unhandled_shift(%d)", dst->shift); break;
1079     }
1080
1081     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
1082     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
1083     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
1084
1085     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
1086     if (mmask)
1087         FIXME("_unrecognized_modifier(%#x)", mmask);
1088 }
1089
1090 void shader_trace_init(const struct wined3d_shader_frontend *fe, void *fe_data, const DWORD *pFunction)
1091 {
1092     struct wined3d_shader_version shader_version;
1093     const DWORD* pToken = pFunction;
1094     DWORD i;
1095
1096     TRACE("Parsing %p\n", pFunction);
1097
1098     fe->shader_read_header(fe_data, &pToken, &shader_version);
1099
1100     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version.type) ? "ps": "vs",
1101             shader_version.major, shader_version.minor);
1102
1103     while (!fe->shader_is_end(fe_data, &pToken))
1104     {
1105         struct wined3d_shader_instruction ins;
1106         const char *comment;
1107         UINT param_size;
1108
1109         /* comment */
1110         fe->shader_read_comment(&pToken, &comment);
1111         if (comment)
1112         {
1113             TRACE("//%s\n", comment);
1114             continue;
1115         }
1116
1117         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
1118         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1119         {
1120             TRACE("Skipping unrecognized instruction.\n");
1121             pToken += param_size;
1122             continue;
1123         }
1124
1125         if (ins.handler_idx == WINED3DSIH_DCL)
1126         {
1127             struct wined3d_shader_semantic semantic;
1128
1129             fe->shader_read_semantic(&pToken, &semantic);
1130
1131             shader_dump_decl_usage(&semantic, &shader_version);
1132             shader_dump_ins_modifiers(&semantic.reg);
1133             TRACE(" ");
1134             shader_dump_dst_param(&semantic.reg, &shader_version);
1135         }
1136         else if (ins.handler_idx == WINED3DSIH_DEF)
1137         {
1138             struct wined3d_shader_dst_param dst;
1139             struct wined3d_shader_src_param rel_addr;
1140
1141             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1142
1143             TRACE("def c%u = %f, %f, %f, %f", shader_get_float_offset(dst.reg.type, dst.reg.idx),
1144                     *(const float *)(pToken),
1145                     *(const float *)(pToken + 1),
1146                     *(const float *)(pToken + 2),
1147                     *(const float *)(pToken + 3));
1148             pToken += 4;
1149         }
1150         else if (ins.handler_idx == WINED3DSIH_DEFI)
1151         {
1152             struct wined3d_shader_dst_param dst;
1153             struct wined3d_shader_src_param rel_addr;
1154
1155             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1156
1157             TRACE("defi i%u = %d, %d, %d, %d", dst.reg.idx,
1158                     *(pToken),
1159                     *(pToken + 1),
1160                     *(pToken + 2),
1161                     *(pToken + 3));
1162             pToken += 4;
1163         }
1164         else if (ins.handler_idx == WINED3DSIH_DEFB)
1165         {
1166             struct wined3d_shader_dst_param dst;
1167             struct wined3d_shader_src_param rel_addr;
1168
1169             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1170
1171             TRACE("defb b%u = %s", dst.reg.idx, *pToken ? "true" : "false");
1172             ++pToken;
1173         }
1174         else
1175         {
1176             struct wined3d_shader_src_param dst_rel_addr, src_rel_addr;
1177             struct wined3d_shader_dst_param dst_param;
1178             struct wined3d_shader_src_param src_param;
1179
1180             if (ins.dst_count)
1181             {
1182                 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1183             }
1184
1185             /* Print out predication source token first - it follows
1186              * the destination token. */
1187             if (ins.predicate)
1188             {
1189                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1190                 TRACE("(");
1191                 shader_dump_src_param(&src_param, &shader_version);
1192                 TRACE(") ");
1193             }
1194
1195             /* PixWin marks instructions with the coissue flag with a '+' */
1196             if (ins.coissue) TRACE("+");
1197
1198             TRACE("%s", shader_opcode_names[ins.handler_idx]);
1199
1200             if (ins.handler_idx == WINED3DSIH_IFC
1201                     || ins.handler_idx == WINED3DSIH_BREAKC)
1202             {
1203                 switch (ins.flags)
1204                 {
1205                     case COMPARISON_GT: TRACE("_gt"); break;
1206                     case COMPARISON_EQ: TRACE("_eq"); break;
1207                     case COMPARISON_GE: TRACE("_ge"); break;
1208                     case COMPARISON_LT: TRACE("_lt"); break;
1209                     case COMPARISON_NE: TRACE("_ne"); break;
1210                     case COMPARISON_LE: TRACE("_le"); break;
1211                     default: TRACE("_(%u)", ins.flags);
1212                 }
1213             }
1214             else if (ins.handler_idx == WINED3DSIH_TEX
1215                     && shader_version.major >= 2
1216                     && (ins.flags & WINED3DSI_TEXLD_PROJECT))
1217             {
1218                 TRACE("p");
1219             }
1220
1221             /* We already read the destination token, print it. */
1222             if (ins.dst_count)
1223             {
1224                 shader_dump_ins_modifiers(&dst_param);
1225                 TRACE(" ");
1226                 shader_dump_dst_param(&dst_param, &shader_version);
1227             }
1228
1229             /* Other source tokens */
1230             for (i = ins.dst_count; i < (ins.dst_count + ins.src_count); ++i)
1231             {
1232                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1233                 TRACE(!i ? " " : ", ");
1234                 shader_dump_src_param(&src_param, &shader_version);
1235             }
1236         }
1237         TRACE("\n");
1238     }
1239 }
1240
1241 void shader_cleanup(IWineD3DBaseShader *iface)
1242 {
1243     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1244
1245     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1246     HeapFree(GetProcessHeap(), 0, This->baseShader.reg_maps.constf);
1247     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1248     shader_delete_constant_list(&This->baseShader.constantsF);
1249     shader_delete_constant_list(&This->baseShader.constantsB);
1250     shader_delete_constant_list(&This->baseShader.constantsI);
1251     list_remove(&This->baseShader.shader_list_entry);
1252
1253     if (This->baseShader.frontend && This->baseShader.frontend_data)
1254     {
1255         This->baseShader.frontend->shader_free(This->baseShader.frontend_data);
1256     }
1257 }
1258
1259 static void shader_none_handle_instruction(const struct wined3d_shader_instruction *ins) {}
1260 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1261 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1262 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1263 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1264 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1265 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1266 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1267 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1268 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1269 static void shader_none_free(IWineD3DDevice *iface) {}
1270 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1271
1272 #define GLINFO_LOCATION      (*gl_info)
1273 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1274 {
1275     /* Set the shader caps to 0 for the none shader backend */
1276     pCaps->VertexShaderVersion  = 0;
1277     pCaps->PixelShaderVersion    = 0;
1278     pCaps->PixelShader1xMaxValue = 0.0;
1279 }
1280 #undef GLINFO_LOCATION
1281 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1282 {
1283     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1284     {
1285         TRACE("Checking support for fixup:\n");
1286         dump_color_fixup_desc(fixup);
1287     }
1288
1289     /* Faked to make some apps happy. */
1290     if (!is_yuv_fixup(fixup))
1291     {
1292         TRACE("[OK]\n");
1293         return TRUE;
1294     }
1295
1296     TRACE("[FAILED]\n");
1297     return FALSE;
1298 }
1299
1300 const shader_backend_t none_shader_backend = {
1301     shader_none_handle_instruction,
1302     shader_none_select,
1303     shader_none_select_depth_blt,
1304     shader_none_deselect_depth_blt,
1305     shader_none_update_float_vertex_constants,
1306     shader_none_update_float_pixel_constants,
1307     shader_none_load_constants,
1308     shader_none_load_np2fixup_constants,
1309     shader_none_destroy,
1310     shader_none_alloc,
1311     shader_none_free,
1312     shader_none_dirty_const,
1313     shader_none_get_caps,
1314     shader_none_color_fixup_supported,
1315 };