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 void shader_record_register_usage(IWineD3DBaseShaderImpl *This, struct shader_reg_maps *reg_maps,
 241         DWORD register_type, UINT register_idx, BOOL has_rel_addr, BOOL pshader)
 242 {
 243     switch (register_type)
 244     {
 245         case WINED3DSPR_TEXTURE: /* WINED3DSPR_ADDR */
 246             if (pshader) reg_maps->texcoord[register_idx] = 1;
 247             else reg_maps->address[register_idx] = 1;
 248             break;
 249
 250         case WINED3DSPR_TEMP:
 251             reg_maps->temporary[register_idx] = 1;
 252             break;
 253
 254         case WINED3DSPR_INPUT:
 255             if (!pshader) reg_maps->attributes[register_idx] = 1;
 256             else
 257             {
 258                 if (has_rel_addr)
 259                 {
 260                     /* If relative addressing is used, we must assume that all registers
 261                      * are used. Even if it is a construct like v3[aL], we can't assume
 262                      * that v0, v1 and v2 aren't read because aL can be negative */
 263                     unsigned int i;
 264                     for (i = 0; i < MAX_REG_INPUT; ++i)
 265                     {
 266                         ((IWineD3DPixelShaderImpl *)This)->input_reg_used[i] = TRUE;
 267                     }
 268                 }
 269                 else
 270                 {
 271                     ((IWineD3DPixelShaderImpl *)This)->input_reg_used[register_idx] = TRUE;
 272                 }
 273             }
 274             break;
 275
 276         case WINED3DSPR_RASTOUT:
 277             if (register_idx == 1) reg_maps->fog = 1;
 278             break;
 279
 280         case WINED3DSPR_MISCTYPE:
 281             if (pshader && register_idx == 0) reg_maps->vpos = 1;
 282             break;
 283
 284         case WINED3DSPR_CONST:
 285             if (has_rel_addr)
 286             {
 287                 if (!pshader)
 288                 {
 289                     if (register_idx <= ((IWineD3DVertexShaderImpl *)This)->min_rel_offset)
 290                         ((IWineD3DVertexShaderImpl *)This)->min_rel_offset = register_idx;
 291                     else if (register_idx >= ((IWineD3DVertexShaderImpl *)This)->max_rel_offset)
 292                         ((IWineD3DVertexShaderImpl *)This)->max_rel_offset = register_idx;
 293                 }
 294                 reg_maps->usesrelconstF = TRUE;
 295             }
 296             break;
 297
 298         case WINED3DSPR_CONSTINT:
 299             reg_maps->integer_constants |= (1 << register_idx);
 300             break;
 301
 302         case WINED3DSPR_CONSTBOOL:
 303             reg_maps->boolean_constants |= (1 << register_idx);
 304             break;
 305
 306         default:
 307             TRACE("Not recording register of type %#x and idx %u\n", register_type, register_idx);
 308             break;
 309     }
 310 }
 311
 312 /* Note that this does not count the loop register
 313  * as an address register. */
 314
 315 HRESULT shader_get_registers_used(IWineD3DBaseShader *iface, const struct wined3d_shader_frontend *fe,
 316         struct shader_reg_maps *reg_maps, struct wined3d_shader_semantic *semantics_in,
 317         struct wined3d_shader_semantic *semantics_out, const DWORD *byte_code)
 318 {
 319     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 320     void *fe_data = This->baseShader.frontend_data;
 321     struct wined3d_shader_version shader_version;
 322     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 323     const DWORD* pToken = byte_code;
 324     char pshader;
 325
 326     /* There are some minor differences between pixel and vertex shaders */
 327
 328     memset(reg_maps, 0, sizeof(*reg_maps));
 329
 330     /* get_registers_used is called on every compile on some 1.x shaders, which can result
 331      * in stacking up a collection of local constants. Delete the old constants if existing
 332      */
 333     shader_delete_constant_list(&This->baseShader.constantsF);
 334     shader_delete_constant_list(&This->baseShader.constantsB);
 335     shader_delete_constant_list(&This->baseShader.constantsI);
 336
 337     fe->shader_read_header(fe_data, &pToken, &shader_version);
 338     reg_maps->shader_version = shader_version;
 339     pshader = shader_is_pshader_version(shader_version.type);
 340
 341     while (!fe->shader_is_end(fe_data, &pToken))
 342     {
 343         struct wined3d_shader_instruction ins;
 344         const char *comment;
 345         UINT param_size;
 346
 347         /* Skip comments */
 348         fe->shader_read_comment(&pToken, &comment);
 349         if (comment) continue;
 350
 351         /* Fetch opcode */
 352         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
 353
 354         /* Unhandled opcode, and its parameters */
 355         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
 356         {
 357             TRACE("Skipping unrecognized instruction.\n");
 358             pToken += param_size;
 359             continue;
 360         }
 361
 362         /* Handle declarations */
 363         if (ins.handler_idx == WINED3DSIH_DCL)
 364         {
 365             struct wined3d_shader_semantic semantic;
 366
 367             fe->shader_read_semantic(&pToken, &semantic);
 368
 369             switch (semantic.reg.register_type)
 370             {
 371                 /* Vshader: mark attributes used
 372                  * Pshader: mark 3.0 input registers used, save token */
 373                 case WINED3DSPR_INPUT:
 374                     if (!pshader) reg_maps->attributes[semantic.reg.register_idx] = 1;
 375                     else reg_maps->packed_input[semantic.reg.register_idx] = 1;
 376                     semantics_in[semantic.reg.register_idx] = semantic;
 377                     break;
 378
 379                 /* Vshader: mark 3.0 output registers used, save token */
 380                 case WINED3DSPR_OUTPUT:
 381                     reg_maps->packed_output[semantic.reg.register_idx] = 1;
 382                     semantics_out[semantic.reg.register_idx] = semantic;
 383                     if (semantic.usage == WINED3DDECLUSAGE_FOG) reg_maps->fog = 1;
 384                     break;
 385
 386                 /* Save sampler usage token */
 387                 case WINED3DSPR_SAMPLER:
 388                     reg_maps->sampler_type[semantic.reg.register_idx] = semantic.sampler_type;
 389                     break;
 390
 391                 default:
 392                     TRACE("Not recording DCL register type %#x.\n", semantic.reg.register_type);
 393                     break;
 394             }
 395         }
 396         else if (ins.handler_idx == WINED3DSIH_DEF)
 397         {
 398             struct wined3d_shader_dst_param dst;
 399             struct wined3d_shader_src_param rel_addr;
 400
 401             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 402             if (!lconst) return E_OUTOFMEMORY;
 403
 404             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 405             lconst->idx = dst.register_idx;
 406
 407             memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
 408             pToken += 4;
 409
 410             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 411             if (shader_version.major == 1 && pshader)
 412             {
 413                 float *value = (float *) lconst->value;
 414                 if(value[0] < -1.0) value[0] = -1.0;
 415                 else if(value[0] >  1.0) value[0] =  1.0;
 416                 if(value[1] < -1.0) value[1] = -1.0;
 417                 else if(value[1] >  1.0) value[1] =  1.0;
 418                 if(value[2] < -1.0) value[2] = -1.0;
 419                 else if(value[2] >  1.0) value[2] =  1.0;
 420                 if(value[3] < -1.0) value[3] = -1.0;
 421                 else if(value[3] >  1.0) value[3] =  1.0;
 422             }
 423
 424             list_add_head(&This->baseShader.constantsF, &lconst->entry);
 425         }
 426         else if (ins.handler_idx == WINED3DSIH_DEFI)
 427         {
 428             struct wined3d_shader_dst_param dst;
 429             struct wined3d_shader_src_param rel_addr;
 430
 431             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 432             if (!lconst) return E_OUTOFMEMORY;
 433
 434             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 435             lconst->idx = dst.register_idx;
 436
 437             memcpy(lconst->value, pToken, 4 * sizeof(DWORD));
 438             pToken += 4;
 439
 440             list_add_head(&This->baseShader.constantsI, &lconst->entry);
 441         }
 442         else if (ins.handler_idx == WINED3DSIH_DEFB)
 443         {
 444             struct wined3d_shader_dst_param dst;
 445             struct wined3d_shader_src_param rel_addr;
 446
 447             local_constant* lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(local_constant));
 448             if (!lconst) return E_OUTOFMEMORY;
 449
 450             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
 451             lconst->idx = dst.register_idx;
 452
 453             memcpy(lconst->value, pToken, sizeof(DWORD));
 454             ++pToken;
 455
 456             list_add_head(&This->baseShader.constantsB, &lconst->entry);
 457         }
 458         /* If there's a loop in the shader */
 459         else if (ins.handler_idx == WINED3DSIH_LOOP
 460                 || ins.handler_idx == WINED3DSIH_REP)
 461         {
 462             struct wined3d_shader_src_param src, rel_addr;
 463
 464             fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 465
 466             /* Rep and Loop always use an integer constant for the control parameters */
 467             if (ins.handler_idx == WINED3DSIH_REP)
 468             {
 469                 reg_maps->integer_constants |= 1 << src.register_idx;
 470             }
 471             else
 472             {
 473                 fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 474                 reg_maps->integer_constants |= 1 << src.register_idx;
 475             }
 476
 477             cur_loop_depth++;
 478             if(cur_loop_depth > max_loop_depth)
 479                 max_loop_depth = cur_loop_depth;
 480         }
 481         else if (ins.handler_idx == WINED3DSIH_ENDLOOP
 482                 || ins.handler_idx == WINED3DSIH_ENDREP)
 483         {
 484             cur_loop_depth--;
 485         }
 486         /* For subroutine prototypes */
 487         else if (ins.handler_idx == WINED3DSIH_LABEL)
 488         {
 489             struct wined3d_shader_src_param src, rel_addr;
 490
 491             fe->shader_read_src_param(fe_data, &pToken, &src, &rel_addr);
 492             reg_maps->labels[src.register_idx] = 1;
 493         }
 494         /* Set texture, address, temporary registers */
 495         else
 496         {
 497             int i, limit;
 498
 499             /* This will loop over all the registers and try to
 500              * make a bitmask of the ones we're interested in.
 501              *
 502              * Relative addressing tokens are ignored, but that's
 503              * okay, since we'll catch any address registers when
 504              * they are initialized (required by spec) */
 505
 506             if (ins.dst_count)
 507             {
 508                 struct wined3d_shader_dst_param dst_param;
 509                 struct wined3d_shader_src_param dst_rel_addr;
 510
 511                 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
 512
 513                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and
 514                  * is used in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel
 515                  * shaders because TECRDOUT isn't used in them, but future register types might cause issues */
 516                 if (!pshader && shader_version.major < 3 && dst_param.register_type == WINED3DSPR_TEXCRDOUT)
 517                 {
 518                     reg_maps->texcoord_mask[dst_param.register_type] |= dst_param.write_mask;
 519                 }
 520                 else
 521                 {
 522                     shader_record_register_usage(This, reg_maps, dst_param.register_type,
 523                             dst_param.register_idx, !!dst_param.rel_addr, pshader);
 524                 }
 525
 526                 /* Declare 1.X samplers implicitly, based on the destination reg. number */
 527                 if (shader_version.major == 1
 528                         && pshader /* Filter different instructions with the same enum values in VS */
 529                         && (ins.handler_idx == WINED3DSIH_TEX
 530                             || ins.handler_idx == WINED3DSIH_TEXBEM
 531                             || ins.handler_idx == WINED3DSIH_TEXBEML
 532                             || ins.handler_idx == WINED3DSIH_TEXDP3TEX
 533                             || ins.handler_idx == WINED3DSIH_TEXM3x2TEX
 534                             || ins.handler_idx == WINED3DSIH_TEXM3x3SPEC
 535                             || ins.handler_idx == WINED3DSIH_TEXM3x3TEX
 536                             || ins.handler_idx == WINED3DSIH_TEXM3x3VSPEC
 537                             || ins.handler_idx == WINED3DSIH_TEXREG2AR
 538                             || ins.handler_idx == WINED3DSIH_TEXREG2GB
 539                             || ins.handler_idx == WINED3DSIH_TEXREG2RGB))
 540                 {
 541                     /* Fake sampler usage, only set reserved bit and ttype */
 542                     DWORD sampler_code = dst_param.register_idx;
 543
 544                     TRACE("Setting fake 2D sampler for 1.x pixelshader\n");
 545                     reg_maps->sampler_type[sampler_code] = WINED3DSTT_2D;
 546
 547                     /* texbem is only valid with < 1.4 pixel shaders */
 548                     if (ins.handler_idx == WINED3DSIH_TEXBEM
 549                             || ins.handler_idx == WINED3DSIH_TEXBEML)
 550                     {
 551                         reg_maps->bumpmat[sampler_code] = TRUE;
 552                         if (ins.handler_idx == WINED3DSIH_TEXBEML)
 553                         {
 554                             reg_maps->luminanceparams[sampler_code] = TRUE;
 555                         }
 556                     }
 557                 }
 558                 else if (pshader && ins.handler_idx == WINED3DSIH_BEM)
 559                 {
 560                     reg_maps->bumpmat[dst_param.register_idx] = TRUE;
 561                 }
 562             }
 563
 564             if (ins.handler_idx == WINED3DSIH_NRM)
 565             {
 566                 reg_maps->usesnrm = 1;
 567             }
 568             else if (ins.handler_idx == WINED3DSIH_DSY)
 569             {
 570                 reg_maps->usesdsy = 1;
 571             }
 572             else if(ins.handler_idx == WINED3DSIH_TEXLDD)
 573             {
 574                 reg_maps->usestexldd = 1;
 575             }
 576
 577             limit = ins.src_count + (ins.predicate ? 1 : 0);
 578             for (i = 0; i < limit; ++i)
 579             {
 580                 struct wined3d_shader_src_param src_param, src_rel_addr;
 581
 582                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
 583                 shader_record_register_usage(This, reg_maps, src_param.register_type,
 584                         src_param.register_idx, !!src_param.rel_addr, pshader);
 585             }
 586         }
 587     }
 588     reg_maps->loop_depth = max_loop_depth;
 589
 590     This->baseShader.functionLength = ((char *)pToken - (char *)byte_code);
 591
 592     return WINED3D_OK;
 593 }
 594
 595 static void shader_dump_decl_usage(const struct wined3d_shader_semantic *semantic,
 596         const struct wined3d_shader_version *shader_version)
 597 {
 598     TRACE("dcl");
 599
 600     if (semantic->reg.register_type == WINED3DSPR_SAMPLER)
 601     {
 602         switch (semantic->sampler_type)
 603         {
 604             case WINED3DSTT_2D: TRACE("_2d"); break;
 605             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 606             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 607             default: TRACE("_unknown_ttype(0x%08x)", semantic->sampler_type);
 608         }
 609     }
 610     else
 611     {
 612         /* Pixel shaders 3.0 don't have usage semantics */
 613         if (shader_is_pshader_version(shader_version->type) && shader_version->major < 3)
 614             return;
 615         else
 616             TRACE("_");
 617
 618         switch (semantic->usage)
 619         {
 620             case WINED3DDECLUSAGE_POSITION:
 621                 TRACE("position%d", semantic->usage_idx);
 622                 break;
 623             case WINED3DDECLUSAGE_BLENDINDICES:
 624                 TRACE("blend");
 625                 break;
 626             case WINED3DDECLUSAGE_BLENDWEIGHT:
 627                 TRACE("weight");
 628                 break;
 629             case WINED3DDECLUSAGE_NORMAL:
 630                 TRACE("normal%d", semantic->usage_idx);
 631                 break;
 632             case WINED3DDECLUSAGE_PSIZE:
 633                 TRACE("psize");
 634                 break;
 635             case WINED3DDECLUSAGE_COLOR:
 636                 if (semantic->usage_idx == 0) TRACE("color");
 637                 else TRACE("specular%d", (semantic->usage_idx - 1));
 638                 break;
 639             case WINED3DDECLUSAGE_TEXCOORD:
 640                 TRACE("texture%d", semantic->usage_idx);
 641                 break;
 642             case WINED3DDECLUSAGE_TANGENT:
 643                 TRACE("tangent");
 644                 break;
 645             case WINED3DDECLUSAGE_BINORMAL:
 646                 TRACE("binormal");
 647                 break;
 648             case WINED3DDECLUSAGE_TESSFACTOR:
 649                 TRACE("tessfactor");
 650                 break;
 651             case WINED3DDECLUSAGE_POSITIONT:
 652                 TRACE("positionT%d", semantic->usage_idx);
 653                 break;
 654             case WINED3DDECLUSAGE_FOG:
 655                 TRACE("fog");
 656                 break;
 657             case WINED3DDECLUSAGE_DEPTH:
 658                 TRACE("depth");
 659                 break;
 660             case WINED3DDECLUSAGE_SAMPLE:
 661                 TRACE("sample");
 662                 break;
 663             default:
 664                 FIXME("unknown_semantics(0x%08x)", semantic->usage);
 665         }
 666     }
 667 }
 668
 669 static void shader_dump_register(WINED3DSHADER_PARAM_REGISTER_TYPE register_type, UINT register_idx,
 670         const struct wined3d_shader_src_param *rel_addr, const struct wined3d_shader_version *shader_version)
 671 {
 672     static const char * const rastout_reg_names[] = {"oPos", "oFog", "oPts"};
 673     static const char * const misctype_reg_names[] = {"vPos", "vFace"};
 674     UINT offset = register_idx;
 675
 676     switch (register_type)
 677     {
 678         case WINED3DSPR_TEMP:
 679             TRACE("r");
 680             break;
 681
 682         case WINED3DSPR_INPUT:
 683             TRACE("v");
 684             break;
 685
 686         case WINED3DSPR_CONST:
 687         case WINED3DSPR_CONST2:
 688         case WINED3DSPR_CONST3:
 689         case WINED3DSPR_CONST4:
 690             TRACE("c");
 691             offset = shader_get_float_offset(register_type, register_idx);
 692             break;
 693
 694         case WINED3DSPR_TEXTURE: /* vs: case WINED3DSPR_ADDR */
 695             TRACE("%c", shader_is_pshader_version(shader_version->type) ? 't' : 'a');
 696             break;
 697
 698         case WINED3DSPR_RASTOUT:
 699             TRACE("%s", rastout_reg_names[register_idx]);
 700             break;
 701
 702         case WINED3DSPR_COLOROUT:
 703             TRACE("oC");
 704             break;
 705
 706         case WINED3DSPR_DEPTHOUT:
 707             TRACE("oDepth");
 708             break;
 709
 710         case WINED3DSPR_ATTROUT:
 711             TRACE("oD");
 712             break;
 713
 714         case WINED3DSPR_TEXCRDOUT:
 715             /* Vertex shaders >= 3.0 use general purpose output registers
 716              * (WINED3DSPR_OUTPUT), which can include an address token */
 717             if (shader_version->major >= 3) TRACE("o");
 718             else TRACE("oT");
 719             break;
 720
 721         case WINED3DSPR_CONSTINT:
 722             TRACE("i");
 723             break;
 724
 725         case WINED3DSPR_CONSTBOOL:
 726             TRACE("b");
 727             break;
 728
 729         case WINED3DSPR_LABEL:
 730             TRACE("l");
 731             break;
 732
 733         case WINED3DSPR_LOOP:
 734             TRACE("aL");
 735             break;
 736
 737         case WINED3DSPR_SAMPLER:
 738             TRACE("s");
 739             break;
 740
 741         case WINED3DSPR_MISCTYPE:
 742             if (register_idx > 1) FIXME("Unhandled misctype register %d\n", register_idx);
 743             else TRACE("%s", misctype_reg_names[register_idx]);
 744             break;
 745
 746         case WINED3DSPR_PREDICATE:
 747             TRACE("p");
 748             break;
 749
 750         default:
 751             TRACE("unhandled_rtype(%#x)", register_type);
 752             break;
 753     }
 754
 755     if (register_type != WINED3DSPR_RASTOUT && register_type != WINED3DSPR_MISCTYPE)
 756     {
 757         if (rel_addr)
 758         {
 759             TRACE("[");
 760             shader_dump_src_param(rel_addr, shader_version);
 761             TRACE(" + ");
 762         }
 763         TRACE("%u", offset);
 764         if (rel_addr) TRACE("]");
 765     }
 766 }
 767
 768 void shader_dump_dst_param(const struct wined3d_shader_dst_param *param,
 769         const struct wined3d_shader_version *shader_version)
 770 {
 771     DWORD write_mask = param->write_mask;
 772
 773     shader_dump_register(param->register_type, param->register_idx, param->rel_addr, shader_version);
 774
 775     if (write_mask != WINED3DSP_WRITEMASK_ALL)
 776     {
 777         static const char *write_mask_chars = "xyzw";
 778
 779         TRACE(".");
 780         if (write_mask & WINED3DSP_WRITEMASK_0) TRACE("%c", write_mask_chars[0]);
 781         if (write_mask & WINED3DSP_WRITEMASK_1) TRACE("%c", write_mask_chars[1]);
 782         if (write_mask & WINED3DSP_WRITEMASK_2) TRACE("%c", write_mask_chars[2]);
 783         if (write_mask & WINED3DSP_WRITEMASK_3) TRACE("%c", write_mask_chars[3]);
 784     }
 785 }
 786
 787 void shader_dump_src_param(const struct wined3d_shader_src_param *param,
 788         const struct wined3d_shader_version *shader_version)
 789 {
 790     DWORD src_modifier = param->modifiers;
 791     DWORD swizzle = param->swizzle;
 792
 793     if (src_modifier == WINED3DSPSM_NEG
 794             || src_modifier == WINED3DSPSM_BIASNEG
 795             || src_modifier == WINED3DSPSM_SIGNNEG
 796             || src_modifier == WINED3DSPSM_X2NEG
 797             || src_modifier == WINED3DSPSM_ABSNEG)
 798         TRACE("-");
 799     else if (src_modifier == WINED3DSPSM_COMP)
 800         TRACE("1-");
 801     else if (src_modifier == WINED3DSPSM_NOT)
 802         TRACE("!");
 803
 804     if (src_modifier == WINED3DSPSM_ABS || src_modifier == WINED3DSPSM_ABSNEG)
 805         TRACE("abs(");
 806
 807     shader_dump_register(param->register_type, param->register_idx, param->rel_addr, shader_version);
 808
 809     if (src_modifier)
 810     {
 811         switch (src_modifier)
 812         {
 813             case WINED3DSPSM_NONE:    break;
 814             case WINED3DSPSM_NEG:     break;
 815             case WINED3DSPSM_NOT:     break;
 816             case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
 817             case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
 818             case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
 819             case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
 820             case WINED3DSPSM_COMP:    break;
 821             case WINED3DSPSM_X2:      TRACE("_x2"); break;
 822             case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
 823             case WINED3DSPSM_DZ:      TRACE("_dz"); break;
 824             case WINED3DSPSM_DW:      TRACE("_dw"); break;
 825             case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
 826             case WINED3DSPSM_ABS:     TRACE(")"); break;
 827             default:
 828                                       TRACE("_unknown_modifier(%#x)", src_modifier);
 829         }
 830     }
 831
 832     if (swizzle != WINED3DSP_NOSWIZZLE)
 833     {
 834         static const char *swizzle_chars = "xyzw";
 835         DWORD swizzle_x = swizzle & 0x03;
 836         DWORD swizzle_y = (swizzle >> 2) & 0x03;
 837         DWORD swizzle_z = (swizzle >> 4) & 0x03;
 838         DWORD swizzle_w = (swizzle >> 6) & 0x03;
 839
 840         if (swizzle_x == swizzle_y
 841                 && swizzle_x == swizzle_z
 842                 && swizzle_x == swizzle_w)
 843         {
 844             TRACE(".%c", swizzle_chars[swizzle_x]);
 845         }
 846         else
 847         {
 848             TRACE(".%c%c%c%c", swizzle_chars[swizzle_x], swizzle_chars[swizzle_y],
 849                     swizzle_chars[swizzle_z], swizzle_chars[swizzle_w]);
 850         }
 851     }
 852 }
 853
 854 /* Shared code in order to generate the bulk of the shader string.
 855  * NOTE: A description of how to parse tokens can be found on msdn */
 856 void shader_generate_main(IWineD3DBaseShader *iface, SHADER_BUFFER *buffer,
 857         const shader_reg_maps *reg_maps, const DWORD *pFunction)
 858 {
 859     IWineD3DBaseShaderImpl* This = (IWineD3DBaseShaderImpl*) iface;
 860     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *) This->baseShader.device; /* To access shader backend callbacks */
 861     const SHADER_HANDLER *handler_table = device->shader_backend->shader_instruction_handler_table;
 862     const struct wined3d_shader_frontend *fe = This->baseShader.frontend;
 863     void *fe_data = This->baseShader.frontend_data;
 864     struct wined3d_shader_src_param src_rel_addr[4];
 865     struct wined3d_shader_src_param src_param[4];
 866     struct wined3d_shader_version shader_version;
 867     struct wined3d_shader_src_param dst_rel_addr;
 868     struct wined3d_shader_dst_param dst_param;
 869     struct wined3d_shader_instruction ins;
 870     struct wined3d_shader_context ctx;
 871     const DWORD *pToken = pFunction;
 872     SHADER_HANDLER hw_fct;
 873     DWORD i;
 874
 875     /* Initialize current parsing state */
 876     ctx.shader = iface;
 877     ctx.reg_maps = reg_maps;
 878     ctx.buffer = buffer;
 879
 880     ins.ctx = &ctx;
 881     ins.dst = &dst_param;
 882     ins.src = src_param;
 883     This->baseShader.parse_state.current_row = 0;
 884
 885     fe->shader_read_header(fe_data, &pToken, &shader_version);
 886
 887     while (!fe->shader_is_end(fe_data, &pToken))
 888     {
 889         const char *comment;
 890         UINT param_size;
 891
 892         /* Skip comment tokens */
 893         fe->shader_read_comment(&pToken, &comment);
 894         if (comment) continue;
 895
 896         /* Read opcode */
 897         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
 898
 899         /* Unknown opcode and its parameters */
 900         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
 901         {
 902             TRACE("Skipping unrecognized instruction.\n");
 903             pToken += param_size;
 904             continue;
 905         }
 906
 907         /* Nothing to do */
 908         if (ins.handler_idx == WINED3DSIH_DCL
 909                 || ins.handler_idx == WINED3DSIH_NOP
 910                 || ins.handler_idx == WINED3DSIH_DEF
 911                 || ins.handler_idx == WINED3DSIH_DEFI
 912                 || ins.handler_idx == WINED3DSIH_DEFB
 913                 || ins.handler_idx == WINED3DSIH_PHASE
 914                 || ins.handler_idx == WINED3DSIH_RET)
 915         {
 916             pToken += param_size;
 917             continue;
 918         }
 919
 920         /* Select handler */
 921         hw_fct = handler_table[ins.handler_idx];
 922
 923         /* Unhandled opcode */
 924         if (!hw_fct)
 925         {
 926             FIXME("Backend can't handle opcode %#x\n", ins.handler_idx);
 927             pToken += param_size;
 928             continue;
 929         }
 930
 931         /* Destination token */
 932         if (ins.dst_count) fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
 933
 934         /* Predication token */
 935         if (ins.predicate) ins.predicate = *pToken++;
 936
 937         /* Other source tokens */
 938         for (i = 0; i < ins.src_count; ++i)
 939         {
 940             fe->shader_read_src_param(fe_data, &pToken, &src_param[i], &src_rel_addr[i]);
 941         }
 942
 943         /* Call appropriate function for output target */
 944         hw_fct(&ins);
 945
 946         /* Process instruction modifiers for GLSL apps ( _sat, etc. ) */
 947         /* FIXME: This should be internal to the shader backend.
 948          * Also, right now this is the only reason "shader_mode" exists. */
 949         if (This->baseShader.shader_mode == SHADER_GLSL) shader_glsl_add_instruction_modifiers(&ins);
 950     }
 951 }
 952
 953 static void shader_dump_ins_modifiers(const struct wined3d_shader_dst_param *dst)
 954 {
 955     DWORD mmask = dst->modifiers;
 956
 957     switch (dst->shift)
 958     {
 959         case 0: break;
 960         case 13: TRACE("_d8"); break;
 961         case 14: TRACE("_d4"); break;
 962         case 15: TRACE("_d2"); break;
 963         case 1: TRACE("_x2"); break;
 964         case 2: TRACE("_x4"); break;
 965         case 3: TRACE("_x8"); break;
 966         default: TRACE("_unhandled_shift(%d)", dst->shift); break;
 967     }
 968
 969     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
 970     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
 971     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
 972
 973     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
 974     if (mmask)
 975         FIXME("_unrecognized_modifier(%#x)", mmask);
 976 }
 977
 978 void shader_trace_init(const struct wined3d_shader_frontend *fe, void *fe_data, const DWORD *pFunction)
 979 {
 980     struct wined3d_shader_version shader_version;
 981     const DWORD* pToken = pFunction;
 982     DWORD i;
 983
 984     TRACE("Parsing %p\n", pFunction);
 985
 986     fe->shader_read_header(fe_data, &pToken, &shader_version);
 987
 988     TRACE("%s_%u_%u\n", shader_is_pshader_version(shader_version.type) ? "ps": "vs",
 989             shader_version.major, shader_version.minor);
 990
 991     while (!fe->shader_is_end(fe_data, &pToken))
 992     {
 993         struct wined3d_shader_instruction ins;
 994         const char *comment;
 995         UINT param_size;
 996
 997         /* comment */
 998         fe->shader_read_comment(&pToken, &comment);
 999         if (comment)
1000         {
1001             TRACE("//%s\n", comment);
1002             continue;
1003         }
1004
1005         fe->shader_read_opcode(fe_data, &pToken, &ins, &param_size);
1006         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1007         {
1008             TRACE("Skipping unrecognized instruction.\n");
1009             pToken += param_size;
1010             continue;
1011         }
1012
1013         if (ins.handler_idx == WINED3DSIH_DCL)
1014         {
1015             struct wined3d_shader_semantic semantic;
1016
1017             fe->shader_read_semantic(&pToken, &semantic);
1018
1019             shader_dump_decl_usage(&semantic, &shader_version);
1020             shader_dump_ins_modifiers(&semantic.reg);
1021             TRACE(" ");
1022             shader_dump_dst_param(&semantic.reg, &shader_version);
1023         }
1024         else if (ins.handler_idx == WINED3DSIH_DEF)
1025         {
1026             struct wined3d_shader_dst_param dst;
1027             struct wined3d_shader_src_param rel_addr;
1028
1029             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1030
1031             TRACE("def c%u = %f, %f, %f, %f", shader_get_float_offset(dst.register_type, dst.register_idx),
1032                     *(const float *)(pToken),
1033                     *(const float *)(pToken + 1),
1034                     *(const float *)(pToken + 2),
1035                     *(const float *)(pToken + 3));
1036             pToken += 4;
1037         }
1038         else if (ins.handler_idx == WINED3DSIH_DEFI)
1039         {
1040             struct wined3d_shader_dst_param dst;
1041             struct wined3d_shader_src_param rel_addr;
1042
1043             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1044
1045             TRACE("defi i%u = %d, %d, %d, %d", dst.register_idx,
1046                     *(pToken),
1047                     *(pToken + 1),
1048                     *(pToken + 2),
1049                     *(pToken + 3));
1050             pToken += 4;
1051         }
1052         else if (ins.handler_idx == WINED3DSIH_DEFB)
1053         {
1054             struct wined3d_shader_dst_param dst;
1055             struct wined3d_shader_src_param rel_addr;
1056
1057             fe->shader_read_dst_param(fe_data, &pToken, &dst, &rel_addr);
1058
1059             TRACE("defb b%u = %s", dst.register_idx, *pToken ? "true" : "false");
1060             ++pToken;
1061         }
1062         else
1063         {
1064             struct wined3d_shader_src_param dst_rel_addr, src_rel_addr;
1065             struct wined3d_shader_dst_param dst_param;
1066             struct wined3d_shader_src_param src_param;
1067
1068             if (ins.dst_count)
1069             {
1070                 fe->shader_read_dst_param(fe_data, &pToken, &dst_param, &dst_rel_addr);
1071             }
1072
1073             /* Print out predication source token first - it follows
1074              * the destination token. */
1075             if (ins.predicate)
1076             {
1077                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1078                 TRACE("(");
1079                 shader_dump_src_param(&src_param, &shader_version);
1080                 TRACE(") ");
1081             }
1082
1083             /* PixWin marks instructions with the coissue flag with a '+' */
1084             if (ins.coissue) TRACE("+");
1085
1086             TRACE("%s", shader_opcode_names[ins.handler_idx]);
1087
1088             if (ins.handler_idx == WINED3DSIH_IFC
1089                     || ins.handler_idx == WINED3DSIH_BREAKC)
1090             {
1091                 switch (ins.flags)
1092                 {
1093                     case COMPARISON_GT: TRACE("_gt"); break;
1094                     case COMPARISON_EQ: TRACE("_eq"); break;
1095                     case COMPARISON_GE: TRACE("_ge"); break;
1096                     case COMPARISON_LT: TRACE("_lt"); break;
1097                     case COMPARISON_NE: TRACE("_ne"); break;
1098                     case COMPARISON_LE: TRACE("_le"); break;
1099                     default: TRACE("_(%u)", ins.flags);
1100                 }
1101             }
1102             else if (ins.handler_idx == WINED3DSIH_TEX
1103                     && shader_version.major >= 2
1104                     && (ins.flags & WINED3DSI_TEXLD_PROJECT))
1105             {
1106                 TRACE("p");
1107             }
1108
1109             /* We already read the destination token, print it. */
1110             if (ins.dst_count)
1111             {
1112                 shader_dump_ins_modifiers(&dst_param);
1113                 TRACE(" ");
1114                 shader_dump_dst_param(&dst_param, &shader_version);
1115             }
1116
1117             /* Other source tokens */
1118             for (i = ins.dst_count; i < (ins.dst_count + ins.src_count); ++i)
1119             {
1120                 fe->shader_read_src_param(fe_data, &pToken, &src_param, &src_rel_addr);
1121                 TRACE(!i ? " " : ", ");
1122                 shader_dump_src_param(&src_param, &shader_version);
1123             }
1124         }
1125         TRACE("\n");
1126     }
1127 }
1128
1129 void shader_cleanup(IWineD3DBaseShader *iface)
1130 {
1131     IWineD3DBaseShaderImpl *This = (IWineD3DBaseShaderImpl *)iface;
1132
1133     ((IWineD3DDeviceImpl *)This->baseShader.device)->shader_backend->shader_destroy(iface);
1134     HeapFree(GetProcessHeap(), 0, This->baseShader.function);
1135     shader_delete_constant_list(&This->baseShader.constantsF);
1136     shader_delete_constant_list(&This->baseShader.constantsB);
1137     shader_delete_constant_list(&This->baseShader.constantsI);
1138     list_remove(&This->baseShader.shader_list_entry);
1139
1140     if (This->baseShader.frontend && This->baseShader.frontend_data)
1141     {
1142         This->baseShader.frontend->shader_free(This->baseShader.frontend_data);
1143     }
1144 }
1145
1146 static const SHADER_HANDLER shader_none_instruction_handler_table[WINED3DSIH_TABLE_SIZE] = {0};
1147 static void shader_none_select(IWineD3DDevice *iface, BOOL usePS, BOOL useVS) {}
1148 static void shader_none_select_depth_blt(IWineD3DDevice *iface, enum tex_types tex_type) {}
1149 static void shader_none_deselect_depth_blt(IWineD3DDevice *iface) {}
1150 static void shader_none_update_float_vertex_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1151 static void shader_none_update_float_pixel_constants(IWineD3DDevice *iface, UINT start, UINT count) {}
1152 static void shader_none_load_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1153 static void shader_none_load_np2fixup_constants(IWineD3DDevice *iface, char usePS, char useVS) {}
1154 static void shader_none_destroy(IWineD3DBaseShader *iface) {}
1155 static HRESULT shader_none_alloc(IWineD3DDevice *iface) {return WINED3D_OK;}
1156 static void shader_none_free(IWineD3DDevice *iface) {}
1157 static BOOL shader_none_dirty_const(IWineD3DDevice *iface) {return FALSE;}
1158 static GLuint shader_none_generate_pshader(IWineD3DPixelShader *iface,
1159         SHADER_BUFFER *buffer, const struct ps_compile_args *args)
1160 {
1161     FIXME("NONE shader backend asked to generate a pixel shader\n");
1162     return 0;
1163 }
1164 static GLuint shader_none_generate_vshader(IWineD3DVertexShader *iface,
1165         SHADER_BUFFER *buffer, const struct vs_compile_args *args)
1166 {
1167     FIXME("NONE shader backend asked to generate a vertex shader\n");
1168     return 0;
1169 }
1170
1171 #define GLINFO_LOCATION      (*gl_info)
1172 static void shader_none_get_caps(WINED3DDEVTYPE devtype, const WineD3D_GL_Info *gl_info, struct shader_caps *pCaps)
1173 {
1174     /* Set the shader caps to 0 for the none shader backend */
1175     pCaps->VertexShaderVersion  = 0;
1176     pCaps->PixelShaderVersion    = 0;
1177     pCaps->PixelShader1xMaxValue = 0.0;
1178 }
1179 #undef GLINFO_LOCATION
1180 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1181 {
1182     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1183     {
1184         TRACE("Checking support for fixup:\n");
1185         dump_color_fixup_desc(fixup);
1186     }
1187
1188     /* Faked to make some apps happy. */
1189     if (!is_yuv_fixup(fixup))
1190     {
1191         TRACE("[OK]\n");
1192         return TRUE;
1193     }
1194
1195     TRACE("[FAILED]\n");
1196     return FALSE;
1197 }
1198
1199 const shader_backend_t none_shader_backend = {
1200     shader_none_instruction_handler_table,
1201     shader_none_select,
1202     shader_none_select_depth_blt,
1203     shader_none_deselect_depth_blt,
1204     shader_none_update_float_vertex_constants,
1205     shader_none_update_float_pixel_constants,
1206     shader_none_load_constants,
1207     shader_none_load_np2fixup_constants,
1208     shader_none_destroy,
1209     shader_none_alloc,
1210     shader_none_free,
1211     shader_none_dirty_const,
1212     shader_none_generate_pshader,
1213     shader_none_generate_vshader,
1214     shader_none_get_caps,
1215     shader_none_color_fixup_supported,
1216 };