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

   1 /*
   2  * Copyright 2002-2003 Jason Edmeades
   3  * Copyright 2002-2003 Raphael Junqueira
   4  * Copyright 2004 Christian Costa
   5  * Copyright 2005 Oliver Stieber
   6  * Copyright 2006 Ivan Gyurdiev
   7  * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
   8  * Copyright 2009-2011 Henri Verbeet for CodeWeavers
   9  *
  10  * This library is free software; you can redistribute it and/or
  11  * modify it under the terms of the GNU Lesser General Public
  12  * License as published by the Free Software Foundation; either
  13  * version 2.1 of the License, or (at your option) any later version.
  14  *
  15  * This library is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18  * Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public
  21  * License along with this library; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  23  */
  24
  25 #include "config.h"
  26
  27 #include <math.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30
  31 #include "wined3d_private.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(d3d_shader);
  34 WINE_DECLARE_DEBUG_CHANNEL(d3d);
  35
  36 static const char * const shader_opcode_names[] =
  37 {
  38     /* WINED3DSIH_ABS           */ "abs",
  39     /* WINED3DSIH_ADD           */ "add",
  40     /* WINED3DSIH_AND           */ "and",
  41     /* WINED3DSIH_BEM           */ "bem",
  42     /* WINED3DSIH_BREAK         */ "break",
  43     /* WINED3DSIH_BREAKC        */ "breakc",
  44     /* WINED3DSIH_BREAKP        */ "breakp",
  45     /* WINED3DSIH_CALL          */ "call",
  46     /* WINED3DSIH_CALLNZ        */ "callnz",
  47     /* WINED3DSIH_CMP           */ "cmp",
  48     /* WINED3DSIH_CND           */ "cnd",
  49     /* WINED3DSIH_CRS           */ "crs",
  50     /* WINED3DSIH_CUT           */ "cut",
  51     /* WINED3DSIH_DCL           */ "dcl",
  52     /* WINED3DSIH_DEF           */ "def",
  53     /* WINED3DSIH_DEFB          */ "defb",
  54     /* WINED3DSIH_DEFI          */ "defi",
  55     /* WINED3DSIH_DIV           */ "div",
  56     /* WINED3DSIH_DP2ADD        */ "dp2add",
  57     /* WINED3DSIH_DP3           */ "dp3",
  58     /* WINED3DSIH_DP4           */ "dp4",
  59     /* WINED3DSIH_DST           */ "dst",
  60     /* WINED3DSIH_DSX           */ "dsx",
  61     /* WINED3DSIH_DSY           */ "dsy",
  62     /* WINED3DSIH_ELSE          */ "else",
  63     /* WINED3DSIH_EMIT          */ "emit",
  64     /* WINED3DSIH_ENDIF         */ "endif",
  65     /* WINED3DSIH_ENDLOOP       */ "endloop",
  66     /* WINED3DSIH_ENDREP        */ "endrep",
  67     /* WINED3DSIH_EQ            */ "eq",
  68     /* WINED3DSIH_EXP           */ "exp",
  69     /* WINED3DSIH_EXPP          */ "expp",
  70     /* WINED3DSIH_FRC           */ "frc",
  71     /* WINED3DSIH_FTOI          */ "ftoi",
  72     /* WINED3DSIH_GE            */ "ge",
  73     /* WINED3DSIH_IADD          */ "iadd",
  74     /* WINED3DSIH_IEQ           */ "ieq",
  75     /* WINED3DSIH_IF            */ "if",
  76     /* WINED3DSIH_IFC           */ "ifc",
  77     /* WINED3DSIH_IGE           */ "ige",
  78     /* WINED3DSIH_IMUL          */ "imul",
  79     /* WINED3DSIH_ITOF          */ "itof",
  80     /* WINED3DSIH_LABEL         */ "label",
  81     /* WINED3DSIH_LD            */ "ld",
  82     /* WINED3DSIH_LIT           */ "lit",
  83     /* WINED3DSIH_LOG           */ "log",
  84     /* WINED3DSIH_LOGP          */ "logp",
  85     /* WINED3DSIH_LOOP          */ "loop",
  86     /* WINED3DSIH_LRP           */ "lrp",
  87     /* WINED3DSIH_LT            */ "lt",
  88     /* WINED3DSIH_M3x2          */ "m3x2",
  89     /* WINED3DSIH_M3x3          */ "m3x3",
  90     /* WINED3DSIH_M3x4          */ "m3x4",
  91     /* WINED3DSIH_M4x3          */ "m4x3",
  92     /* WINED3DSIH_M4x4          */ "m4x4",
  93     /* WINED3DSIH_MAD           */ "mad",
  94     /* WINED3DSIH_MAX           */ "max",
  95     /* WINED3DSIH_MIN           */ "min",
  96     /* WINED3DSIH_MOV           */ "mov",
  97     /* WINED3DSIH_MOVA          */ "mova",
  98     /* WINED3DSIH_MOVC          */ "movc",
  99     /* WINED3DSIH_MUL           */ "mul",
 100     /* WINED3DSIH_NOP           */ "nop",
 101     /* WINED3DSIH_NRM           */ "nrm",
 102     /* WINED3DSIH_PHASE         */ "phase",
 103     /* WINED3DSIH_POW           */ "pow",
 104     /* WINED3DSIH_RCP           */ "rcp",
 105     /* WINED3DSIH_REP           */ "rep",
 106     /* WINED3DSIH_RET           */ "ret",
 107     /* WINED3DSIH_ROUND_NI      */ "round_ni",
 108     /* WINED3DSIH_RSQ           */ "rsq",
 109     /* WINED3DSIH_SAMPLE        */ "sample",
 110     /* WINED3DSIH_SAMPLE_GRAD   */ "sample_d",
 111     /* WINED3DSIH_SAMPLE_LOD    */ "sample_l",
 112     /* WINED3DSIH_SETP          */ "setp",
 113     /* WINED3DSIH_SGE           */ "sge",
 114     /* WINED3DSIH_SGN           */ "sgn",
 115     /* WINED3DSIH_SINCOS        */ "sincos",
 116     /* WINED3DSIH_SLT           */ "slt",
 117     /* WINED3DSIH_SQRT          */ "sqrt",
 118     /* WINED3DSIH_SUB           */ "sub",
 119     /* WINED3DSIH_TEX           */ "texld",
 120     /* WINED3DSIH_TEXBEM        */ "texbem",
 121     /* WINED3DSIH_TEXBEML       */ "texbeml",
 122     /* WINED3DSIH_TEXCOORD      */ "texcrd",
 123     /* WINED3DSIH_TEXDEPTH      */ "texdepth",
 124     /* WINED3DSIH_TEXDP3        */ "texdp3",
 125     /* WINED3DSIH_TEXDP3TEX     */ "texdp3tex",
 126     /* WINED3DSIH_TEXKILL       */ "texkill",
 127     /* WINED3DSIH_TEXLDD        */ "texldd",
 128     /* WINED3DSIH_TEXLDL        */ "texldl",
 129     /* WINED3DSIH_TEXM3x2DEPTH  */ "texm3x2depth",
 130     /* WINED3DSIH_TEXM3x2PAD    */ "texm3x2pad",
 131     /* WINED3DSIH_TEXM3x2TEX    */ "texm3x2tex",
 132     /* WINED3DSIH_TEXM3x3       */ "texm3x3",
 133     /* WINED3DSIH_TEXM3x3DIFF   */ "texm3x3diff",
 134     /* WINED3DSIH_TEXM3x3PAD    */ "texm3x3pad",
 135     /* WINED3DSIH_TEXM3x3SPEC   */ "texm3x3spec",
 136     /* WINED3DSIH_TEXM3x3TEX    */ "texm3x3tex",
 137     /* WINED3DSIH_TEXM3x3VSPEC  */ "texm3x3vspec",
 138     /* WINED3DSIH_TEXREG2AR     */ "texreg2ar",
 139     /* WINED3DSIH_TEXREG2GB     */ "texreg2gb",
 140     /* WINED3DSIH_TEXREG2RGB    */ "texreg2rgb",
 141     /* WINED3DSIH_UDIV          */ "udiv",
 142     /* WINED3DSIH_USHR          */ "ushr",
 143     /* WINED3DSIH_UTOF          */ "utof",
 144     /* WINED3DSIH_XOR           */ "xor",
 145 };
 146
 147 static const char * const semantic_names[] =
 148 {
 149     /* WINED3D_DECL_USAGE_POSITION      */ "SV_POSITION",
 150     /* WINED3D_DECL_USAGE_BLEND_WEIGHT  */ "BLENDWEIGHT",
 151     /* WINED3D_DECL_USAGE_BLEND_INDICES */ "BLENDINDICES",
 152     /* WINED3D_DECL_USAGE_NORMAL        */ "NORMAL",
 153     /* WINED3D_DECL_USAGE_PSIZE         */ "PSIZE",
 154     /* WINED3D_DECL_USAGE_TEXCOORD      */ "TEXCOORD",
 155     /* WINED3D_DECL_USAGE_TANGENT       */ "TANGENT",
 156     /* WINED3D_DECL_USAGE_BINORMAL      */ "BINORMAL",
 157     /* WINED3D_DECL_USAGE_TESS_FACTOR   */ "TESSFACTOR",
 158     /* WINED3D_DECL_USAGE_POSITIONT     */ "POSITIONT",
 159     /* WINED3D_DECL_USAGE_COLOR         */ "COLOR",
 160     /* WINED3D_DECL_USAGE_FOG           */ "FOG",
 161     /* WINED3D_DECL_USAGE_DEPTH         */ "DEPTH",
 162     /* WINED3D_DECL_USAGE_SAMPLE        */ "SAMPLE",
 163 };
 164
 165 static const char *shader_semantic_name_from_usage(enum wined3d_decl_usage usage)
 166 {
 167     if (usage >= sizeof(semantic_names) / sizeof(*semantic_names))
 168     {
 169         FIXME("Unrecognized usage %#x.\n", usage);
 170         return "UNRECOGNIZED";
 171     }
 172
 173     return semantic_names[usage];
 174 }
 175
 176 static enum wined3d_decl_usage shader_usage_from_semantic_name(const char *name)
 177 {
 178     unsigned int i;
 179
 180     for (i = 0; i < sizeof(semantic_names) / sizeof(*semantic_names); ++i)
 181     {
 182         if (!strcmp(name, semantic_names[i])) return i;
 183     }
 184
 185     return ~0U;
 186 }
 187
 188 BOOL shader_match_semantic(const char *semantic_name, enum wined3d_decl_usage usage)
 189 {
 190     return !strcmp(semantic_name, shader_semantic_name_from_usage(usage));
 191 }
 192
 193 static void shader_signature_from_semantic(struct wined3d_shader_signature_element *e,
 194         const struct wined3d_shader_semantic *s)
 195 {
 196     e->semantic_name = shader_semantic_name_from_usage(s->usage);
 197     e->semantic_idx = s->usage_idx;
 198     e->sysval_semantic = 0;
 199     e->component_type = 0;
 200     e->register_idx = s->reg.reg.idx;
 201     e->mask = s->reg.write_mask;
 202 }
 203
 204 static void shader_signature_from_usage(struct wined3d_shader_signature_element *e,
 205         enum wined3d_decl_usage usage, UINT usage_idx, UINT reg_idx, DWORD write_mask)
 206 {
 207     e->semantic_name = shader_semantic_name_from_usage(usage);
 208     e->semantic_idx = usage_idx;
 209     e->sysval_semantic = 0;
 210     e->component_type = 0;
 211     e->register_idx = reg_idx;
 212     e->mask = write_mask;
 213 }
 214
 215 static const struct wined3d_shader_frontend *shader_select_frontend(DWORD version_token)
 216 {
 217     switch (version_token >> 16)
 218     {
 219         case WINED3D_SM1_VS:
 220         case WINED3D_SM1_PS:
 221             return &sm1_shader_frontend;
 222
 223         case WINED3D_SM4_PS:
 224         case WINED3D_SM4_VS:
 225         case WINED3D_SM4_GS:
 226             return &sm4_shader_frontend;
 227
 228         default:
 229             FIXME("Unrecognised version token %#x\n", version_token);
 230             return NULL;
 231     }
 232 }
 233
 234 void shader_buffer_clear(struct wined3d_shader_buffer *buffer)
 235 {
 236     buffer->buffer[0] = '\0';
 237     buffer->bsize = 0;
 238     buffer->lineNo = 0;
 239     buffer->newline = TRUE;
 240 }
 241
 242 BOOL shader_buffer_init(struct wined3d_shader_buffer *buffer)
 243 {
 244     buffer->buffer = HeapAlloc(GetProcessHeap(), 0, SHADER_PGMSIZE);
 245     if (!buffer->buffer)
 246     {
 247         ERR("Failed to allocate shader buffer memory.\n");
 248         return FALSE;
 249     }
 250
 251     shader_buffer_clear(buffer);
 252     return TRUE;
 253 }
 254
 255 void shader_buffer_free(struct wined3d_shader_buffer *buffer)
 256 {
 257     HeapFree(GetProcessHeap(), 0, buffer->buffer);
 258 }
 259
 260 int shader_vaddline(struct wined3d_shader_buffer *buffer, const char *format, va_list args)
 261 {
 262     char *base = buffer->buffer + buffer->bsize;
 263     int rc;
 264
 265     rc = vsnprintf(base, SHADER_PGMSIZE - 1 - buffer->bsize, format, args);
 266
 267     if (rc < 0 /* C89 */ || (unsigned int)rc > SHADER_PGMSIZE - 1 - buffer->bsize /* C99 */)
 268     {
 269         ERR("The buffer allocated for the shader program string "
 270             "is too small at %d bytes.\n", SHADER_PGMSIZE);
 271         buffer->bsize = SHADER_PGMSIZE - 1;
 272         return -1;
 273     }
 274
 275     if (buffer->newline)
 276     {
 277         TRACE("GL HW (%u, %u) : %s", buffer->lineNo + 1, buffer->bsize, base);
 278         buffer->newline = FALSE;
 279     }
 280     else
 281     {
 282         TRACE("%s", base);
 283     }
 284
 285     buffer->bsize += rc;
 286     if (buffer->buffer[buffer->bsize-1] == '\n')
 287     {
 288         ++buffer->lineNo;
 289         buffer->newline = TRUE;
 290     }
 291
 292     return 0;
 293 }
 294
 295 int shader_addline(struct wined3d_shader_buffer *buffer, const char *format, ...)
 296 {
 297     va_list args;
 298     int ret;
 299
 300     va_start(args, format);
 301     ret = shader_vaddline(buffer, format, args);
 302     va_end(args);
 303
 304     return ret;
 305 }
 306
 307 static void shader_init(struct wined3d_shader *shader, struct wined3d_device *device,
 308         void *parent, const struct wined3d_parent_ops *parent_ops)
 309 {
 310     shader->ref = 1;
 311     shader->device = device;
 312     shader->parent = parent;
 313     shader->parent_ops = parent_ops;
 314     list_init(&shader->linked_programs);
 315     list_add_head(&device->shaders, &shader->shader_list_entry);
 316 }
 317
 318 /* Convert floating point offset relative to a register file to an absolute
 319  * offset for float constants. */
 320 static unsigned int shader_get_float_offset(enum wined3d_shader_register_type register_type, UINT register_idx)
 321 {
 322     switch (register_type)
 323     {
 324         case WINED3DSPR_CONST: return register_idx;
 325         case WINED3DSPR_CONST2: return 2048 + register_idx;
 326         case WINED3DSPR_CONST3: return 4096 + register_idx;
 327         case WINED3DSPR_CONST4: return 6144 + register_idx;
 328         default:
 329             FIXME("Unsupported register type: %u.\n", register_type);
 330             return register_idx;
 331     }
 332 }
 333
 334 static void shader_delete_constant_list(struct list *clist)
 335 {
 336     struct wined3d_shader_lconst *constant;
 337     struct list *ptr;
 338
 339     ptr = list_head(clist);
 340     while (ptr)
 341     {
 342         constant = LIST_ENTRY(ptr, struct wined3d_shader_lconst, entry);
 343         ptr = list_next(clist, ptr);
 344         HeapFree(GetProcessHeap(), 0, constant);
 345     }
 346     list_init(clist);
 347 }
 348
 349 static inline void set_bitmap_bit(DWORD *bitmap, DWORD bit)
 350 {
 351     DWORD idx, shift;
 352     idx = bit >> 5;
 353     shift = bit & 0x1f;
 354     bitmap[idx] |= (1 << shift);
 355 }
 356
 357 static void shader_record_register_usage(struct wined3d_shader *shader, struct wined3d_shader_reg_maps *reg_maps,
 358         const struct wined3d_shader_register *reg, enum wined3d_shader_type shader_type)
 359 {
 360     switch (reg->type)
 361     {
 362         case WINED3DSPR_TEXTURE: /* WINED3DSPR_ADDR */
 363             if (shader_type == WINED3D_SHADER_TYPE_PIXEL) reg_maps->texcoord |= 1 << reg->idx;
 364             else reg_maps->address |= 1 << reg->idx;
 365             break;
 366
 367         case WINED3DSPR_TEMP:
 368             reg_maps->temporary |= 1 << reg->idx;
 369             break;
 370
 371         case WINED3DSPR_INPUT:
 372             if (shader_type == WINED3D_SHADER_TYPE_PIXEL)
 373             {
 374                 if (reg->rel_addr)
 375                 {
 376                     /* If relative addressing is used, we must assume that all registers
 377                      * are used. Even if it is a construct like v3[aL], we can't assume
 378                      * that v0, v1 and v2 aren't read because aL can be negative */
 379                     unsigned int i;
 380                     for (i = 0; i < MAX_REG_INPUT; ++i)
 381                     {
 382                         shader->u.ps.input_reg_used[i] = TRUE;
 383                     }
 384                 }
 385                 else
 386                 {
 387                     shader->u.ps.input_reg_used[reg->idx] = TRUE;
 388                 }
 389             }
 390             else reg_maps->input_registers |= 1 << reg->idx;
 391             break;
 392
 393         case WINED3DSPR_RASTOUT:
 394             if (reg->idx == 1) reg_maps->fog = 1;
 395             break;
 396
 397         case WINED3DSPR_MISCTYPE:
 398             if (shader_type == WINED3D_SHADER_TYPE_PIXEL)
 399             {
 400                 if (!reg->idx) reg_maps->vpos = 1;
 401                 else if (reg->idx == 1) reg_maps->usesfacing = 1;
 402             }
 403             break;
 404
 405         case WINED3DSPR_CONST:
 406             if (reg->rel_addr)
 407             {
 408                 if (reg->idx < reg_maps->min_rel_offset) reg_maps->min_rel_offset = reg->idx;
 409                 if (reg->idx > reg_maps->max_rel_offset) reg_maps->max_rel_offset = reg->idx;
 410                 reg_maps->usesrelconstF = TRUE;
 411             }
 412             else
 413             {
 414                 set_bitmap_bit(reg_maps->constf, reg->idx);
 415             }
 416             break;
 417
 418         case WINED3DSPR_CONSTINT:
 419             reg_maps->integer_constants |= (1 << reg->idx);
 420             break;
 421
 422         case WINED3DSPR_CONSTBOOL:
 423             reg_maps->boolean_constants |= (1 << reg->idx);
 424             break;
 425
 426         case WINED3DSPR_COLOROUT:
 427             reg_maps->rt_mask |= (1 << reg->idx);
 428             break;
 429
 430         default:
 431             TRACE("Not recording register of type %#x and idx %u\n", reg->type, reg->idx);
 432             break;
 433     }
 434 }
 435
 436 static unsigned int get_instr_extra_regcount(enum WINED3D_SHADER_INSTRUCTION_HANDLER instr, unsigned int param)
 437 {
 438     switch (instr)
 439     {
 440         case WINED3DSIH_M4x4:
 441         case WINED3DSIH_M3x4:
 442             return param == 1 ? 3 : 0;
 443
 444         case WINED3DSIH_M4x3:
 445         case WINED3DSIH_M3x3:
 446             return param == 1 ? 2 : 0;
 447
 448         case WINED3DSIH_M3x2:
 449             return param == 1 ? 1 : 0;
 450
 451         default:
 452             return 0;
 453     }
 454 }
 455
 456 /* Note that this does not count the loop register as an address register. */
 457 static HRESULT shader_get_registers_used(struct wined3d_shader *shader, const struct wined3d_shader_frontend *fe,
 458         struct wined3d_shader_reg_maps *reg_maps, struct wined3d_shader_signature_element *input_signature,
 459         struct wined3d_shader_signature_element *output_signature, const DWORD *byte_code, DWORD constf_size)
 460 {
 461     unsigned int cur_loop_depth = 0, max_loop_depth = 0;
 462     void *fe_data = shader->frontend_data;
 463     struct wined3d_shader_version shader_version;
 464     const DWORD *ptr = byte_code;
 465
 466     memset(reg_maps, 0, sizeof(*reg_maps));
 467     reg_maps->min_rel_offset = ~0U;
 468
 469     fe->shader_read_header(fe_data, &ptr, &shader_version);
 470     reg_maps->shader_version = shader_version;
 471
 472     reg_maps->constf = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
 473             sizeof(*reg_maps->constf) * ((constf_size + 31) / 32));
 474     if (!reg_maps->constf)
 475     {
 476         ERR("Failed to allocate constant map memory.\n");
 477         return E_OUTOFMEMORY;
 478     }
 479
 480     while (!fe->shader_is_end(fe_data, &ptr))
 481     {
 482         struct wined3d_shader_instruction ins;
 483         const char *comment;
 484         UINT comment_size;
 485         UINT param_size;
 486
 487         /* Skip comments. */
 488         fe->shader_read_comment(&ptr, &comment, &comment_size);
 489         if (comment) continue;
 490
 491         /* Fetch opcode. */
 492         fe->shader_read_opcode(fe_data, &ptr, &ins, &param_size);
 493
 494         /* Unhandled opcode, and its parameters. */
 495         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
 496         {
 497             TRACE("Skipping unrecognized instruction.\n");
 498             ptr += param_size;
 499             continue;
 500         }
 501
 502         /* Handle declarations. */
 503         if (ins.handler_idx == WINED3DSIH_DCL)
 504         {
 505             struct wined3d_shader_semantic semantic;
 506
 507             fe->shader_read_semantic(&ptr, &semantic);
 508
 509             switch (semantic.reg.reg.type)
 510             {
 511                 /* Mark input registers used. */
 512                 case WINED3DSPR_INPUT:
 513                     reg_maps->input_registers |= 1 << semantic.reg.reg.idx;
 514                     shader_signature_from_semantic(&input_signature[semantic.reg.reg.idx], &semantic);
 515                     break;
 516
 517                 /* Vertex shader: mark 3.0 output registers used, save token. */
 518                 case WINED3DSPR_OUTPUT:
 519                     reg_maps->output_registers |= 1 << semantic.reg.reg.idx;
 520                     shader_signature_from_semantic(&output_signature[semantic.reg.reg.idx], &semantic);
 521                     if (semantic.usage == WINED3D_DECL_USAGE_FOG)
 522                         reg_maps->fog = 1;
 523                     break;
 524
 525                 /* Save sampler usage token. */
 526                 case WINED3DSPR_SAMPLER:
 527                     reg_maps->sampler_type[semantic.reg.reg.idx] = semantic.sampler_type;
 528                     break;
 529
 530                 default:
 531                     TRACE("Not recording DCL register type %#x.\n", semantic.reg.reg.type);
 532                     break;
 533             }
 534         }
 535         else if (ins.handler_idx == WINED3DSIH_DEF)
 536         {
 537             struct wined3d_shader_src_param rel_addr;
 538             struct wined3d_shader_dst_param dst;
 539
 540             struct wined3d_shader_lconst *lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(*lconst));
 541             if (!lconst) return E_OUTOFMEMORY;
 542
 543             fe->shader_read_dst_param(fe_data, &ptr, &dst, &rel_addr);
 544             lconst->idx = dst.reg.idx;
 545
 546             memcpy(lconst->value, ptr, 4 * sizeof(DWORD));
 547             ptr += 4;
 548
 549             /* In pixel shader 1.X shaders, the constants are clamped between [-1;1] */
 550             if (shader_version.major == 1 && shader_version.type == WINED3D_SHADER_TYPE_PIXEL)
 551             {
 552                 float *value = (float *)lconst->value;
 553                 if (value[0] < -1.0f) value[0] = -1.0f;
 554                 else if (value[0] > 1.0f) value[0] = 1.0f;
 555                 if (value[1] < -1.0f) value[1] = -1.0f;
 556                 else if (value[1] > 1.0f) value[1] = 1.0f;
 557                 if (value[2] < -1.0f) value[2] = -1.0f;
 558                 else if (value[2] > 1.0f) value[2] = 1.0f;
 559                 if (value[3] < -1.0f) value[3] = -1.0f;
 560                 else if (value[3] > 1.0f) value[3] = 1.0f;
 561             }
 562
 563             list_add_head(&shader->constantsF, &lconst->entry);
 564         }
 565         else if (ins.handler_idx == WINED3DSIH_DEFI)
 566         {
 567             struct wined3d_shader_src_param rel_addr;
 568             struct wined3d_shader_dst_param dst;
 569
 570             struct wined3d_shader_lconst *lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(*lconst));
 571             if (!lconst) return E_OUTOFMEMORY;
 572
 573             fe->shader_read_dst_param(fe_data, &ptr, &dst, &rel_addr);
 574             lconst->idx = dst.reg.idx;
 575
 576             memcpy(lconst->value, ptr, 4 * sizeof(DWORD));
 577             ptr += 4;
 578
 579             list_add_head(&shader->constantsI, &lconst->entry);
 580             reg_maps->local_int_consts |= (1 << dst.reg.idx);
 581         }
 582         else if (ins.handler_idx == WINED3DSIH_DEFB)
 583         {
 584             struct wined3d_shader_src_param rel_addr;
 585             struct wined3d_shader_dst_param dst;
 586
 587             struct wined3d_shader_lconst *lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(*lconst));
 588             if (!lconst) return E_OUTOFMEMORY;
 589
 590             fe->shader_read_dst_param(fe_data, &ptr, &dst, &rel_addr);
 591             lconst->idx = dst.reg.idx;
 592
 593             memcpy(lconst->value, ptr, sizeof(DWORD));
 594             ++ptr;
 595
 596             list_add_head(&shader->constantsB, &lconst->entry);
 597             reg_maps->local_bool_consts |= (1 << dst.reg.idx);
 598         }
 599         /* For subroutine prototypes. */
 600         else if (ins.handler_idx == WINED3DSIH_LABEL)
 601         {
 602             struct wined3d_shader_src_param src, rel_addr;
 603
 604             fe->shader_read_src_param(fe_data, &ptr, &src, &rel_addr);
 605             reg_maps->labels |= 1 << src.reg.idx;
 606         }
 607         /* Set texture, address, temporary registers. */
 608         else
 609         {
 610             BOOL color0_mov = FALSE;
 611             unsigned int i, limit;
 612
 613             /* This will loop over all the registers and try to
 614              * make a bitmask of the ones we're interested in.
 615              *
 616              * Relative addressing tokens are ignored, but that's
 617              * okay, since we'll catch any address registers when
 618              * they are initialized (required by spec). */
 619             for (i = 0; i < ins.dst_count; ++i)
 620             {
 621                 struct wined3d_shader_src_param dst_rel_addr;
 622                 struct wined3d_shader_dst_param dst_param;
 623
 624                 fe->shader_read_dst_param(fe_data, &ptr, &dst_param, &dst_rel_addr);
 625
 626                 shader_record_register_usage(shader, reg_maps, &dst_param.reg, shader_version.type);
 627
 628                 /* WINED3DSPR_TEXCRDOUT is the same as WINED3DSPR_OUTPUT. _OUTPUT can be > MAX_REG_TEXCRD and
 629                  * is used in >= 3.0 shaders. Filter 3.0 shaders to prevent overflows, and also filter pixel
 630                  * shaders because TECRDOUT isn't used in them, but future register types might cause issues */
 631                 if (shader_version.type == WINED3D_SHADER_TYPE_VERTEX && shader_version.major < 3)
 632                 {
 633                     UINT idx = dst_param.reg.idx;
 634
 635                     switch (dst_param.reg.type)
 636                     {
 637                         case WINED3DSPR_RASTOUT:
 638                             switch (idx)
 639                             {
 640                                 case 0: /* oPos */
 641                                     reg_maps->output_registers |= 1 << 10;
 642                                     shader_signature_from_usage(&output_signature[10],
 643                                             WINED3D_DECL_USAGE_POSITION, 0, 10, WINED3DSP_WRITEMASK_ALL);
 644                                     break;
 645
 646                                 case 1: /* oFog */
 647                                     reg_maps->output_registers |= 1 << 11;
 648                                     shader_signature_from_usage(&output_signature[11],
 649                                             WINED3D_DECL_USAGE_FOG, 0, 11, WINED3DSP_WRITEMASK_0);
 650                                     break;
 651
 652                                 case 2: /* oPts */
 653                                     reg_maps->output_registers |= 1 << 11;
 654                                     shader_signature_from_usage(&output_signature[11],
 655                                             WINED3D_DECL_USAGE_PSIZE, 0, 11, WINED3DSP_WRITEMASK_1);
 656                                     break;
 657                             }
 658                             break;
 659
 660                         case WINED3DSPR_ATTROUT:
 661                             if (idx < 2)
 662                             {
 663                                 idx += 8;
 664                                 if (reg_maps->output_registers & (1 << idx))
 665                                 {
 666                                     output_signature[idx].mask |= dst_param.write_mask;
 667                                 }
 668                                 else
 669                                 {
 670                                     reg_maps->output_registers |= 1 << idx;
 671                                     shader_signature_from_usage(&output_signature[idx],
 672                                             WINED3D_DECL_USAGE_COLOR, idx - 8, idx, dst_param.write_mask);
 673                                 }
 674                             }
 675                             break;
 676
 677                         case WINED3DSPR_TEXCRDOUT:
 678
 679                             reg_maps->texcoord_mask[idx] |= dst_param.write_mask;
 680                             if (reg_maps->output_registers & (1 << idx))
 681                             {
 682                                 output_signature[idx].mask |= dst_param.write_mask;
 683                             }
 684                             else
 685                             {
 686                                 reg_maps->output_registers |= 1 << idx;
 687                                 shader_signature_from_usage(&output_signature[idx],
 688                                         WINED3D_DECL_USAGE_TEXCOORD, idx, idx, dst_param.write_mask);
 689                             }
 690                             break;
 691
 692                         default:
 693                             break;
 694                     }
 695                 }
 696
 697                 if (shader_version.type == WINED3D_SHADER_TYPE_PIXEL)
 698                 {
 699                     if (dst_param.reg.type == WINED3DSPR_COLOROUT && !dst_param.reg.idx)
 700                     {
 701                         /* Many 2.0 and 3.0 pixel shaders end with a MOV from a temp register to
 702                          * COLOROUT 0. If we know this in advance, the ARB shader backend can skip
 703                          * the mov and perform the sRGB write correction from the source register.
 704                          *
 705                          * However, if the mov is only partial, we can't do this, and if the write
 706                          * comes from an instruction other than MOV it is hard to do as well. If
 707                          * COLOROUT 0 is overwritten partially later, the marker is dropped again. */
 708                         shader->u.ps.color0_mov = FALSE;
 709                         if (ins.handler_idx == WINED3DSIH_MOV
 710                                 && dst_param.write_mask == WINED3DSP_WRITEMASK_ALL)
 711                         {
 712                             /* Used later when the source register is read. */
 713                             color0_mov = TRUE;
 714                         }
 715                     }
 716                     /* Also drop the MOV marker if the source register is overwritten prior to the shader
 717                      * end
 718                      */
 719                     else if (dst_param.reg.type == WINED3DSPR_TEMP
 720                             && dst_param.reg.idx == shader->u.ps.color0_reg)
 721                     {
 722                         shader->u.ps.color0_mov = FALSE;
 723                     }
 724                 }
 725
 726                 /* Declare 1.x samplers implicitly, based on the destination reg. number. */
 727                 if (shader_version.major == 1
 728                         && (ins.handler_idx == WINED3DSIH_TEX
 729                             || ins.handler_idx == WINED3DSIH_TEXBEM
 730                             || ins.handler_idx == WINED3DSIH_TEXBEML
 731                             || ins.handler_idx == WINED3DSIH_TEXDP3TEX
 732                             || ins.handler_idx == WINED3DSIH_TEXM3x2TEX
 733                             || ins.handler_idx == WINED3DSIH_TEXM3x3SPEC
 734                             || ins.handler_idx == WINED3DSIH_TEXM3x3TEX
 735                             || ins.handler_idx == WINED3DSIH_TEXM3x3VSPEC
 736                             || ins.handler_idx == WINED3DSIH_TEXREG2AR
 737                             || ins.handler_idx == WINED3DSIH_TEXREG2GB
 738                             || ins.handler_idx == WINED3DSIH_TEXREG2RGB))
 739                 {
 740                     /* Fake sampler usage, only set reserved bit and type. */
 741                     DWORD sampler_code = dst_param.reg.idx;
 742
 743                     TRACE("Setting fake 2D sampler for 1.x pixelshader.\n");
 744                     reg_maps->sampler_type[sampler_code] = WINED3DSTT_2D;
 745
 746                     /* texbem is only valid with < 1.4 pixel shaders */
 747                     if (ins.handler_idx == WINED3DSIH_TEXBEM
 748                             || ins.handler_idx == WINED3DSIH_TEXBEML)
 749                     {
 750                         reg_maps->bumpmat |= 1 << dst_param.reg.idx;
 751                         if (ins.handler_idx == WINED3DSIH_TEXBEML)
 752                         {
 753                             reg_maps->luminanceparams |= 1 << dst_param.reg.idx;
 754                         }
 755                     }
 756                 }
 757                 else if (ins.handler_idx == WINED3DSIH_BEM)
 758                 {
 759                     reg_maps->bumpmat |= 1 << dst_param.reg.idx;
 760                 }
 761             }
 762
 763             if (ins.handler_idx == WINED3DSIH_NRM) reg_maps->usesnrm = 1;
 764             else if (ins.handler_idx == WINED3DSIH_DSY) reg_maps->usesdsy = 1;
 765             else if (ins.handler_idx == WINED3DSIH_DSX) reg_maps->usesdsx = 1;
 766             else if (ins.handler_idx == WINED3DSIH_TEXLDD) reg_maps->usestexldd = 1;
 767             else if (ins.handler_idx == WINED3DSIH_TEXLDL) reg_maps->usestexldl = 1;
 768             else if (ins.handler_idx == WINED3DSIH_MOVA) reg_maps->usesmova = 1;
 769             else if (ins.handler_idx == WINED3DSIH_IFC) reg_maps->usesifc = 1;
 770             else if (ins.handler_idx == WINED3DSIH_CALL) reg_maps->usescall = 1;
 771             else if (ins.handler_idx == WINED3DSIH_POW) reg_maps->usespow = 1;
 772             else if (ins.handler_idx == WINED3DSIH_LOOP
 773                     || ins.handler_idx == WINED3DSIH_REP)
 774             {
 775                 ++cur_loop_depth;
 776                 if (cur_loop_depth > max_loop_depth)
 777                     max_loop_depth = cur_loop_depth;
 778             }
 779             else if (ins.handler_idx == WINED3DSIH_ENDLOOP
 780                     || ins.handler_idx == WINED3DSIH_ENDREP)
 781                 --cur_loop_depth;
 782
 783             limit = ins.src_count + (ins.predicate ? 1 : 0);
 784             for (i = 0; i < limit; ++i)
 785             {
 786                 struct wined3d_shader_src_param src_param, src_rel_addr;
 787                 unsigned int count;
 788
 789                 fe->shader_read_src_param(fe_data, &ptr, &src_param, &src_rel_addr);
 790                 count = get_instr_extra_regcount(ins.handler_idx, i);
 791
 792                 shader_record_register_usage(shader, reg_maps, &src_param.reg, shader_version.type);
 793                 while (count)
 794                 {
 795                     ++src_param.reg.idx;
 796                     shader_record_register_usage(shader, reg_maps, &src_param.reg, shader_version.type);
 797                     --count;
 798                 }
 799
 800                 if (color0_mov)
 801                 {
 802                     if (src_param.reg.type == WINED3DSPR_TEMP
 803                             && src_param.swizzle == WINED3DSP_NOSWIZZLE)
 804                     {
 805                         shader->u.ps.color0_mov = TRUE;
 806                         shader->u.ps.color0_reg = src_param.reg.idx;
 807                     }
 808                 }
 809             }
 810         }
 811     }
 812     reg_maps->loop_depth = max_loop_depth;
 813
 814     /* PS before 2.0 don't have explicit color outputs. Instead the value of
 815      * R0 is written to the render target. */
 816     if (shader_version.major < 2 && shader_version.type == WINED3D_SHADER_TYPE_PIXEL)
 817         reg_maps->rt_mask |= (1 << 0);
 818
 819     shader->functionLength = ((const char *)ptr - (const char *)byte_code);
 820
 821     return WINED3D_OK;
 822 }
 823
 824 unsigned int shader_find_free_input_register(const struct wined3d_shader_reg_maps *reg_maps, unsigned int max)
 825 {
 826     DWORD map = 1 << max;
 827     map |= map - 1;
 828     map &= reg_maps->shader_version.major < 3 ? ~reg_maps->texcoord : ~reg_maps->input_registers;
 829
 830     return wined3d_log2i(map);
 831 }
 832
 833 static void shader_dump_decl_usage(const struct wined3d_shader_semantic *semantic,
 834         const struct wined3d_shader_version *shader_version)
 835 {
 836     TRACE("dcl");
 837
 838     if (semantic->reg.reg.type == WINED3DSPR_SAMPLER)
 839     {
 840         switch (semantic->sampler_type)
 841         {
 842             case WINED3DSTT_2D: TRACE("_2d"); break;
 843             case WINED3DSTT_CUBE: TRACE("_cube"); break;
 844             case WINED3DSTT_VOLUME: TRACE("_volume"); break;
 845             default: TRACE("_unknown_ttype(0x%08x)", semantic->sampler_type);
 846         }
 847     }
 848     else
 849     {
 850         /* Pixel shaders 3.0 don't have usage semantics. */
 851         if (shader_version->major < 3 && shader_version->type == WINED3D_SHADER_TYPE_PIXEL) return;
 852         else TRACE("_");
 853
 854         switch (semantic->usage)
 855         {
 856             case WINED3D_DECL_USAGE_POSITION:
 857                 TRACE("position%u", semantic->usage_idx);
 858                 break;
 859
 860             case WINED3D_DECL_USAGE_BLEND_INDICES:
 861                 TRACE("blend");
 862                 break;
 863
 864             case WINED3D_DECL_USAGE_BLEND_WEIGHT:
 865                 TRACE("weight");
 866                 break;
 867
 868             case WINED3D_DECL_USAGE_NORMAL:
 869                 TRACE("normal%u", semantic->usage_idx);
 870                 break;
 871
 872             case WINED3D_DECL_USAGE_PSIZE:
 873                 TRACE("psize");
 874                 break;
 875
 876             case WINED3D_DECL_USAGE_COLOR:
 877                 if (!semantic->usage_idx) TRACE("color");
 878                 else TRACE("specular%u", (semantic->usage_idx - 1));
 879                 break;
 880
 881             case WINED3D_DECL_USAGE_TEXCOORD:
 882                 TRACE("texture%u", semantic->usage_idx);
 883                 break;
 884
 885             case WINED3D_DECL_USAGE_TANGENT:
 886                 TRACE("tangent");
 887                 break;
 888
 889             case WINED3D_DECL_USAGE_BINORMAL:
 890                 TRACE("binormal");
 891                 break;
 892
 893             case WINED3D_DECL_USAGE_TESS_FACTOR:
 894                 TRACE("tessfactor");
 895                 break;
 896
 897             case WINED3D_DECL_USAGE_POSITIONT:
 898                 TRACE("positionT%u", semantic->usage_idx);
 899                 break;
 900
 901             case WINED3D_DECL_USAGE_FOG:
 902                 TRACE("fog");
 903                 break;
 904
 905             case WINED3D_DECL_USAGE_DEPTH:
 906                 TRACE("depth");
 907                 break;
 908
 909             case WINED3D_DECL_USAGE_SAMPLE:
 910                 TRACE("sample");
 911                 break;
 912
 913             default:
 914                 FIXME("unknown_semantics(0x%08x)", semantic->usage);
 915         }
 916     }
 917 }
 918
 919 static void shader_dump_register(const struct wined3d_shader_register *reg,
 920         const struct wined3d_shader_version *shader_version)
 921 {
 922     static const char * const rastout_reg_names[] = {"oPos", "oFog", "oPts"};
 923     static const char * const misctype_reg_names[] = {"vPos", "vFace"};
 924     UINT offset = reg->idx;
 925
 926     switch (reg->type)
 927     {
 928         case WINED3DSPR_TEMP:
 929             TRACE("r");
 930             break;
 931
 932         case WINED3DSPR_INPUT:
 933             TRACE("v");
 934             break;
 935
 936         case WINED3DSPR_CONST:
 937         case WINED3DSPR_CONST2:
 938         case WINED3DSPR_CONST3:
 939         case WINED3DSPR_CONST4:
 940             TRACE("c");
 941             offset = shader_get_float_offset(reg->type, reg->idx);
 942             break;
 943
 944         case WINED3DSPR_TEXTURE: /* vs: case WINED3DSPR_ADDR */
 945             TRACE("%c", shader_version->type == WINED3D_SHADER_TYPE_PIXEL ? 't' : 'a');
 946             break;
 947
 948         case WINED3DSPR_RASTOUT:
 949             TRACE("%s", rastout_reg_names[reg->idx]);
 950             break;
 951
 952         case WINED3DSPR_COLOROUT:
 953             TRACE("oC");
 954             break;
 955
 956         case WINED3DSPR_DEPTHOUT:
 957             TRACE("oDepth");
 958             break;
 959
 960         case WINED3DSPR_ATTROUT:
 961             TRACE("oD");
 962             break;
 963
 964         case WINED3DSPR_TEXCRDOUT:
 965             /* Vertex shaders >= 3.0 use general purpose output registers
 966              * (WINED3DSPR_OUTPUT), which can include an address token. */
 967             if (shader_version->major >= 3) TRACE("o");
 968             else TRACE("oT");
 969             break;
 970
 971         case WINED3DSPR_CONSTINT:
 972             TRACE("i");
 973             break;
 974
 975         case WINED3DSPR_CONSTBOOL:
 976             TRACE("b");
 977             break;
 978
 979         case WINED3DSPR_LABEL:
 980             TRACE("l");
 981             break;
 982
 983         case WINED3DSPR_LOOP:
 984             TRACE("aL");
 985             break;
 986
 987         case WINED3DSPR_SAMPLER:
 988             TRACE("s");
 989             break;
 990
 991         case WINED3DSPR_MISCTYPE:
 992             if (reg->idx > 1) FIXME("Unhandled misctype register %u.\n", reg->idx);
 993             else TRACE("%s", misctype_reg_names[reg->idx]);
 994             break;
 995
 996         case WINED3DSPR_PREDICATE:
 997             TRACE("p");
 998             break;
 999
1000         case WINED3DSPR_IMMCONST:
1001             TRACE("l");
1002             break;
1003
1004         case WINED3DSPR_CONSTBUFFER:
1005             TRACE("cb");
1006             break;
1007
1008         case WINED3DSPR_NULL:
1009             TRACE("null");
1010             break;
1011
1012         case WINED3DSPR_RESOURCE:
1013             TRACE("t");
1014             break;
1015
1016         default:
1017             TRACE("unhandled_rtype(%#x)", reg->type);
1018             break;
1019     }
1020
1021     if (reg->type == WINED3DSPR_IMMCONST)
1022     {
1023         TRACE("(");
1024         switch (reg->immconst_type)
1025         {
1026             case WINED3D_IMMCONST_SCALAR:
1027                 TRACE("%.8e", *(const float *)reg->immconst_data);
1028                 break;
1029
1030             case WINED3D_IMMCONST_VEC4:
1031                 TRACE("%.8e, %.8e, %.8e, %.8e",
1032                         *(const float *)&reg->immconst_data[0], *(const float *)&reg->immconst_data[1],
1033                         *(const float *)&reg->immconst_data[2], *(const float *)&reg->immconst_data[3]);
1034                 break;
1035
1036             default:
1037                 TRACE("<unhandled immconst_type %#x>", reg->immconst_type);
1038                 break;
1039         }
1040         TRACE(")");
1041     }
1042     else if (reg->type != WINED3DSPR_RASTOUT
1043             && reg->type != WINED3DSPR_MISCTYPE
1044             && reg->type != WINED3DSPR_NULL)
1045     {
1046         if (reg->array_idx != ~0U)
1047         {
1048             TRACE("%u[%u", offset, reg->array_idx);
1049             if (reg->rel_addr)
1050             {
1051                 TRACE(" + ");
1052                 shader_dump_src_param(reg->rel_addr, shader_version);
1053             }
1054             TRACE("]");
1055         }
1056         else
1057         {
1058             if (reg->rel_addr)
1059             {
1060                 TRACE("[");
1061                 shader_dump_src_param(reg->rel_addr, shader_version);
1062                 TRACE(" + ");
1063             }
1064             TRACE("%u", offset);
1065             if (reg->rel_addr) TRACE("]");
1066         }
1067     }
1068 }
1069
1070 void shader_dump_dst_param(const struct wined3d_shader_dst_param *param,
1071         const struct wined3d_shader_version *shader_version)
1072 {
1073     DWORD write_mask = param->write_mask;
1074
1075     shader_dump_register(&param->reg, shader_version);
1076
1077     if (write_mask && write_mask != WINED3DSP_WRITEMASK_ALL)
1078     {
1079         static const char *write_mask_chars = "xyzw";
1080
1081         TRACE(".");
1082         if (write_mask & WINED3DSP_WRITEMASK_0) TRACE("%c", write_mask_chars[0]);
1083         if (write_mask & WINED3DSP_WRITEMASK_1) TRACE("%c", write_mask_chars[1]);
1084         if (write_mask & WINED3DSP_WRITEMASK_2) TRACE("%c", write_mask_chars[2]);
1085         if (write_mask & WINED3DSP_WRITEMASK_3) TRACE("%c", write_mask_chars[3]);
1086     }
1087 }
1088
1089 void shader_dump_src_param(const struct wined3d_shader_src_param *param,
1090         const struct wined3d_shader_version *shader_version)
1091 {
1092     enum wined3d_shader_src_modifier src_modifier = param->modifiers;
1093     DWORD swizzle = param->swizzle;
1094
1095     if (src_modifier == WINED3DSPSM_NEG
1096             || src_modifier == WINED3DSPSM_BIASNEG
1097             || src_modifier == WINED3DSPSM_SIGNNEG
1098             || src_modifier == WINED3DSPSM_X2NEG
1099             || src_modifier == WINED3DSPSM_ABSNEG)
1100         TRACE("-");
1101     else if (src_modifier == WINED3DSPSM_COMP)
1102         TRACE("1-");
1103     else if (src_modifier == WINED3DSPSM_NOT)
1104         TRACE("!");
1105
1106     if (src_modifier == WINED3DSPSM_ABS || src_modifier == WINED3DSPSM_ABSNEG)
1107         TRACE("abs(");
1108
1109     shader_dump_register(&param->reg, shader_version);
1110
1111     if (src_modifier)
1112     {
1113         switch (src_modifier)
1114         {
1115             case WINED3DSPSM_NONE:    break;
1116             case WINED3DSPSM_NEG:     break;
1117             case WINED3DSPSM_NOT:     break;
1118             case WINED3DSPSM_BIAS:    TRACE("_bias"); break;
1119             case WINED3DSPSM_BIASNEG: TRACE("_bias"); break;
1120             case WINED3DSPSM_SIGN:    TRACE("_bx2"); break;
1121             case WINED3DSPSM_SIGNNEG: TRACE("_bx2"); break;
1122             case WINED3DSPSM_COMP:    break;
1123             case WINED3DSPSM_X2:      TRACE("_x2"); break;
1124             case WINED3DSPSM_X2NEG:   TRACE("_x2"); break;
1125             case WINED3DSPSM_DZ:      TRACE("_dz"); break;
1126             case WINED3DSPSM_DW:      TRACE("_dw"); break;
1127             case WINED3DSPSM_ABSNEG:  TRACE(")"); break;
1128             case WINED3DSPSM_ABS:     TRACE(")"); break;
1129             default:                  TRACE("_unknown_modifier(%#x)", src_modifier);
1130         }
1131     }
1132
1133     if (swizzle != WINED3DSP_NOSWIZZLE)
1134     {
1135         static const char *swizzle_chars = "xyzw";
1136         DWORD swizzle_x = swizzle & 0x03;
1137         DWORD swizzle_y = (swizzle >> 2) & 0x03;
1138         DWORD swizzle_z = (swizzle >> 4) & 0x03;
1139         DWORD swizzle_w = (swizzle >> 6) & 0x03;
1140
1141         if (swizzle_x == swizzle_y
1142                 && swizzle_x == swizzle_z
1143                 && swizzle_x == swizzle_w)
1144         {
1145             TRACE(".%c", swizzle_chars[swizzle_x]);
1146         }
1147         else
1148         {
1149             TRACE(".%c%c%c%c", swizzle_chars[swizzle_x], swizzle_chars[swizzle_y],
1150                     swizzle_chars[swizzle_z], swizzle_chars[swizzle_w]);
1151         }
1152     }
1153 }
1154
1155 /* Shared code in order to generate the bulk of the shader string.
1156  * NOTE: A description of how to parse tokens can be found on MSDN. */
1157 void shader_generate_main(const struct wined3d_shader *shader, struct wined3d_shader_buffer *buffer,
1158         const struct wined3d_shader_reg_maps *reg_maps, const DWORD *byte_code, void *backend_ctx)
1159 {
1160     struct wined3d_device *device = shader->device;
1161     const struct wined3d_shader_frontend *fe = shader->frontend;
1162     void *fe_data = shader->frontend_data;
1163     struct wined3d_shader_src_param dst_rel_addr[2];
1164     struct wined3d_shader_src_param src_rel_addr[4];
1165     struct wined3d_shader_dst_param dst_param[2];
1166     struct wined3d_shader_src_param src_param[4];
1167     struct wined3d_shader_version shader_version;
1168     struct wined3d_shader_loop_state loop_state;
1169     struct wined3d_shader_instruction ins;
1170     struct wined3d_shader_tex_mx tex_mx;
1171     struct wined3d_shader_context ctx;
1172     const DWORD *ptr = byte_code;
1173     DWORD i;
1174
1175     /* Initialize current parsing state. */
1176     tex_mx.current_row = 0;
1177     loop_state.current_depth = 0;
1178     loop_state.current_reg = 0;
1179
1180     ctx.shader = shader;
1181     ctx.gl_info = &device->adapter->gl_info;
1182     ctx.reg_maps = reg_maps;
1183     ctx.buffer = buffer;
1184     ctx.tex_mx = &tex_mx;
1185     ctx.loop_state = &loop_state;
1186     ctx.backend_data = backend_ctx;
1187
1188     ins.ctx = &ctx;
1189     ins.dst = dst_param;
1190     ins.src = src_param;
1191
1192     fe->shader_read_header(fe_data, &ptr, &shader_version);
1193
1194     while (!fe->shader_is_end(fe_data, &ptr))
1195     {
1196         const char *comment;
1197         UINT comment_size;
1198         UINT param_size;
1199
1200         /* Skip comment tokens. */
1201         fe->shader_read_comment(&ptr, &comment, &comment_size);
1202         if (comment) continue;
1203
1204         /* Read opcode. */
1205         fe->shader_read_opcode(fe_data, &ptr, &ins, &param_size);
1206
1207         /* Unknown opcode and its parameters. */
1208         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1209         {
1210             TRACE("Skipping unrecognized instruction.\n");
1211             ptr += param_size;
1212             continue;
1213         }
1214
1215         /* Nothing to do. */
1216         if (ins.handler_idx == WINED3DSIH_DCL
1217                 || ins.handler_idx == WINED3DSIH_NOP
1218                 || ins.handler_idx == WINED3DSIH_DEF
1219                 || ins.handler_idx == WINED3DSIH_DEFI
1220                 || ins.handler_idx == WINED3DSIH_DEFB
1221                 || ins.handler_idx == WINED3DSIH_PHASE)
1222         {
1223             ptr += param_size;
1224             continue;
1225         }
1226
1227         /* Destination tokens */
1228         for (i = 0; i < ins.dst_count; ++i)
1229         {
1230             fe->shader_read_dst_param(fe_data, &ptr, &dst_param[i], &dst_rel_addr[i]);
1231         }
1232
1233         /* Predication token */
1234         if (ins.predicate)
1235         {
1236             FIXME("Predicates not implemented.\n");
1237             ins.predicate = *ptr++;
1238         }
1239
1240         /* Other source tokens */
1241         for (i = 0; i < ins.src_count; ++i)
1242         {
1243             fe->shader_read_src_param(fe_data, &ptr, &src_param[i], &src_rel_addr[i]);
1244         }
1245
1246         /* Call appropriate function for output target */
1247         device->shader_backend->shader_handle_instruction(&ins);
1248     }
1249 }
1250
1251 static void shader_dump_ins_modifiers(const struct wined3d_shader_dst_param *dst)
1252 {
1253     DWORD mmask = dst->modifiers;
1254
1255     switch (dst->shift)
1256     {
1257         case 0: break;
1258         case 13: TRACE("_d8"); break;
1259         case 14: TRACE("_d4"); break;
1260         case 15: TRACE("_d2"); break;
1261         case 1: TRACE("_x2"); break;
1262         case 2: TRACE("_x4"); break;
1263         case 3: TRACE("_x8"); break;
1264         default: TRACE("_unhandled_shift(%d)", dst->shift); break;
1265     }
1266
1267     if (mmask & WINED3DSPDM_SATURATE)         TRACE("_sat");
1268     if (mmask & WINED3DSPDM_PARTIALPRECISION) TRACE("_pp");
1269     if (mmask & WINED3DSPDM_MSAMPCENTROID)    TRACE("_centroid");
1270
1271     mmask &= ~(WINED3DSPDM_SATURATE | WINED3DSPDM_PARTIALPRECISION | WINED3DSPDM_MSAMPCENTROID);
1272     if (mmask) FIXME("_unrecognized_modifier(%#x)", mmask);
1273 }
1274
1275 static void shader_trace_init(const struct wined3d_shader_frontend *fe, void *fe_data, const DWORD *byte_code)
1276 {
1277     struct wined3d_shader_version shader_version;
1278     const DWORD *ptr = byte_code;
1279     const char *type_prefix;
1280     DWORD i;
1281
1282     TRACE("Parsing %p.\n", byte_code);
1283
1284     fe->shader_read_header(fe_data, &ptr, &shader_version);
1285
1286     switch (shader_version.type)
1287     {
1288         case WINED3D_SHADER_TYPE_VERTEX:
1289             type_prefix = "vs";
1290             break;
1291
1292         case WINED3D_SHADER_TYPE_GEOMETRY:
1293             type_prefix = "gs";
1294             break;
1295
1296         case WINED3D_SHADER_TYPE_PIXEL:
1297             type_prefix = "ps";
1298             break;
1299
1300         default:
1301             FIXME("Unhandled shader type %#x.\n", shader_version.type);
1302             type_prefix = "unknown";
1303             break;
1304     }
1305
1306     TRACE("%s_%u_%u\n", type_prefix, shader_version.major, shader_version.minor);
1307
1308     while (!fe->shader_is_end(fe_data, &ptr))
1309     {
1310         struct wined3d_shader_instruction ins;
1311         const char *comment;
1312         UINT comment_size;
1313         UINT param_size;
1314
1315         /* comment */
1316         fe->shader_read_comment(&ptr, &comment, &comment_size);
1317         if (comment)
1318         {
1319             if (comment_size > 4 && *(const DWORD *)comment == WINEMAKEFOURCC('T', 'E', 'X', 'T'))
1320             {
1321                 const char *end = comment + comment_size;
1322                 const char *ptr = comment + 4;
1323                 const char *line = ptr;
1324
1325                 TRACE("// TEXT\n");
1326                 while (ptr != end)
1327                 {
1328                     if (*ptr == '\n')
1329                     {
1330                         UINT len = ptr - line;
1331                         if (len && *(ptr - 1) == '\r') --len;
1332                         TRACE("// %s\n", debugstr_an(line, len));
1333                         line = ++ptr;
1334                     }
1335                     else ++ptr;
1336                 }
1337                 if (line != ptr) TRACE("// %s\n", debugstr_an(line, ptr - line));
1338             }
1339             else TRACE("// %s\n", debugstr_an(comment, comment_size));
1340             continue;
1341         }
1342
1343         fe->shader_read_opcode(fe_data, &ptr, &ins, &param_size);
1344         if (ins.handler_idx == WINED3DSIH_TABLE_SIZE)
1345         {
1346             TRACE("Skipping unrecognized instruction.\n");
1347             ptr += param_size;
1348             continue;
1349         }
1350
1351         if (ins.handler_idx == WINED3DSIH_DCL)
1352         {
1353             struct wined3d_shader_semantic semantic;
1354
1355             fe->shader_read_semantic(&ptr, &semantic);
1356
1357             shader_dump_decl_usage(&semantic, &shader_version);
1358             shader_dump_ins_modifiers(&semantic.reg);
1359             TRACE(" ");
1360             shader_dump_dst_param(&semantic.reg, &shader_version);
1361         }
1362         else if (ins.handler_idx == WINED3DSIH_DEF)
1363         {
1364             struct wined3d_shader_src_param rel_addr;
1365             struct wined3d_shader_dst_param dst;
1366
1367             fe->shader_read_dst_param(fe_data, &ptr, &dst, &rel_addr);
1368
1369             TRACE("def c%u = %f, %f, %f, %f", shader_get_float_offset(dst.reg.type, dst.reg.idx),
1370                     *(const float *)(ptr),
1371                     *(const float *)(ptr + 1),
1372                     *(const float *)(ptr + 2),
1373                     *(const float *)(ptr + 3));
1374             ptr += 4;
1375         }
1376         else if (ins.handler_idx == WINED3DSIH_DEFI)
1377         {
1378             struct wined3d_shader_src_param rel_addr;
1379             struct wined3d_shader_dst_param dst;
1380
1381             fe->shader_read_dst_param(fe_data, &ptr, &dst, &rel_addr);
1382
1383             TRACE("defi i%u = %d, %d, %d, %d", dst.reg.idx,
1384                     *(ptr),
1385                     *(ptr + 1),
1386                     *(ptr + 2),
1387                     *(ptr + 3));
1388             ptr += 4;
1389         }
1390         else if (ins.handler_idx == WINED3DSIH_DEFB)
1391         {
1392             struct wined3d_shader_src_param rel_addr;
1393             struct wined3d_shader_dst_param dst;
1394
1395             fe->shader_read_dst_param(fe_data, &ptr, &dst, &rel_addr);
1396
1397             TRACE("defb b%u = %s", dst.reg.idx, *ptr ? "true" : "false");
1398             ++ptr;
1399         }
1400         else
1401         {
1402             struct wined3d_shader_src_param dst_rel_addr[2];
1403             struct wined3d_shader_src_param src_rel_addr;
1404             struct wined3d_shader_dst_param dst_param[2];
1405             struct wined3d_shader_src_param src_param;
1406
1407             for (i = 0; i < ins.dst_count; ++i)
1408             {
1409                 fe->shader_read_dst_param(fe_data, &ptr, &dst_param[i], &dst_rel_addr[i]);
1410             }
1411
1412             /* Print out predication source token first - it follows
1413              * the destination token. */
1414             if (ins.predicate)
1415             {
1416                 fe->shader_read_src_param(fe_data, &ptr, &src_param, &src_rel_addr);
1417                 TRACE("(");
1418                 shader_dump_src_param(&src_param, &shader_version);
1419                 TRACE(") ");
1420             }
1421
1422             /* PixWin marks instructions with the coissue flag with a '+' */
1423             if (ins.coissue) TRACE("+");
1424
1425             TRACE("%s", shader_opcode_names[ins.handler_idx]);
1426
1427             if (ins.handler_idx == WINED3DSIH_IFC
1428                     || ins.handler_idx == WINED3DSIH_BREAKC)
1429             {
1430                 switch (ins.flags)
1431                 {
1432                     case WINED3D_SHADER_REL_OP_GT: TRACE("_gt"); break;
1433                     case WINED3D_SHADER_REL_OP_EQ: TRACE("_eq"); break;
1434                     case WINED3D_SHADER_REL_OP_GE: TRACE("_ge"); break;
1435                     case WINED3D_SHADER_REL_OP_LT: TRACE("_lt"); break;
1436                     case WINED3D_SHADER_REL_OP_NE: TRACE("_ne"); break;
1437                     case WINED3D_SHADER_REL_OP_LE: TRACE("_le"); break;
1438                     default: TRACE("_(%u)", ins.flags);
1439                 }
1440             }
1441             else if (ins.handler_idx == WINED3DSIH_TEX
1442                     && shader_version.major >= 2
1443                     && (ins.flags & WINED3DSI_TEXLD_PROJECT))
1444             {
1445                 TRACE("p");
1446             }
1447
1448             /* We already read the destination tokens, print them. */
1449             for (i = 0; i < ins.dst_count; ++i)
1450             {
1451                 shader_dump_ins_modifiers(&dst_param[i]);
1452                 TRACE(!i ? " " : ", ");
1453                 shader_dump_dst_param(&dst_param[i], &shader_version);
1454             }
1455
1456             /* Other source tokens */
1457             for (i = ins.dst_count; i < (ins.dst_count + ins.src_count); ++i)
1458             {
1459                 fe->shader_read_src_param(fe_data, &ptr, &src_param, &src_rel_addr);
1460                 TRACE(!i ? " " : ", ");
1461                 shader_dump_src_param(&src_param, &shader_version);
1462             }
1463         }
1464         TRACE("\n");
1465     }
1466 }
1467
1468 static void shader_cleanup(struct wined3d_shader *shader)
1469 {
1470     shader->device->shader_backend->shader_destroy(shader);
1471     HeapFree(GetProcessHeap(), 0, shader->reg_maps.constf);
1472     HeapFree(GetProcessHeap(), 0, shader->function);
1473     shader_delete_constant_list(&shader->constantsF);
1474     shader_delete_constant_list(&shader->constantsB);
1475     shader_delete_constant_list(&shader->constantsI);
1476     list_remove(&shader->shader_list_entry);
1477
1478     if (shader->frontend && shader->frontend_data)
1479         shader->frontend->shader_free(shader->frontend_data);
1480 }
1481
1482 static void shader_none_handle_instruction(const struct wined3d_shader_instruction *ins) {}
1483 static void shader_none_select(const struct wined3d_context *context, BOOL usePS, BOOL useVS) {}
1484 static void shader_none_select_depth_blt(void *shader_priv, const struct wined3d_gl_info *gl_info,
1485         enum tex_types tex_type, const SIZE *ds_mask_size) {}
1486 static void shader_none_deselect_depth_blt(void *shader_priv, const struct wined3d_gl_info *gl_info) {}
1487 static void shader_none_update_float_vertex_constants(struct wined3d_device *device, UINT start, UINT count) {}
1488 static void shader_none_update_float_pixel_constants(struct wined3d_device *device, UINT start, UINT count) {}
1489 static void shader_none_load_constants(const struct wined3d_context *context, char usePS, char useVS) {}
1490 static void shader_none_load_np2fixup_constants(void *shader_priv,
1491         const struct wined3d_gl_info *gl_info, const struct wined3d_state *state) {}
1492 static void shader_none_destroy(struct wined3d_shader *shader) {}
1493 static HRESULT shader_none_alloc(struct wined3d_device *device) {return WINED3D_OK;}
1494 static void shader_none_free(struct wined3d_device *device) {}
1495 static void shader_none_context_destroyed(void *shader_priv, const struct wined3d_context *context) {}
1496
1497 static void shader_none_get_caps(const struct wined3d_gl_info *gl_info, struct shader_caps *caps)
1498 {
1499     /* Set the shader caps to 0 for the none shader backend */
1500     caps->VertexShaderVersion = 0;
1501     caps->MaxVertexShaderConst = 0;
1502     caps->PixelShaderVersion = 0;
1503     caps->PixelShader1xMaxValue = 0.0f;
1504     caps->MaxPixelShaderConst = 0;
1505     caps->VSClipping = FALSE;
1506 }
1507
1508 static BOOL shader_none_color_fixup_supported(struct color_fixup_desc fixup)
1509 {
1510     if (TRACE_ON(d3d_shader) && TRACE_ON(d3d))
1511     {
1512         TRACE("Checking support for fixup:\n");
1513         dump_color_fixup_desc(fixup);
1514     }
1515
1516     /* Faked to make some apps happy. */
1517     if (!is_complex_fixup(fixup))
1518     {
1519         TRACE("[OK]\n");
1520         return TRUE;
1521     }
1522
1523     TRACE("[FAILED]\n");
1524     return FALSE;
1525 }
1526
1527 const struct wined3d_shader_backend_ops none_shader_backend =
1528 {
1529     shader_none_handle_instruction,
1530     shader_none_select,
1531     shader_none_select_depth_blt,
1532     shader_none_deselect_depth_blt,
1533     shader_none_update_float_vertex_constants,
1534     shader_none_update_float_pixel_constants,
1535     shader_none_load_constants,
1536     shader_none_load_np2fixup_constants,
1537     shader_none_destroy,
1538     shader_none_alloc,
1539     shader_none_free,
1540     shader_none_context_destroyed,
1541     shader_none_get_caps,
1542     shader_none_color_fixup_supported,
1543 };
1544
1545 static HRESULT shader_set_function(struct wined3d_shader *shader, const DWORD *byte_code,
1546         const struct wined3d_shader_signature *output_signature, DWORD float_const_count,
1547         enum wined3d_shader_type type, unsigned int max_version)
1548 {
1549     struct wined3d_shader_reg_maps *reg_maps = &shader->reg_maps;
1550     const struct wined3d_shader_frontend *fe;
1551     HRESULT hr;
1552     unsigned int backend_version;
1553
1554     TRACE("shader %p, byte_code %p, output_signature %p, float_const_count %u.\n",
1555             shader, byte_code, output_signature, float_const_count);
1556
1557     fe = shader_select_frontend(*byte_code);
1558     if (!fe)
1559     {
1560         FIXME("Unable to find frontend for shader.\n");
1561         return WINED3DERR_INVALIDCALL;
1562     }
1563     shader->frontend = fe;
1564     shader->frontend_data = fe->shader_init(byte_code, output_signature);
1565     if (!shader->frontend_data)
1566     {
1567         FIXME("Failed to initialize frontend.\n");
1568         return WINED3DERR_INVALIDCALL;
1569     }
1570
1571     /* First pass: trace shader. */
1572     if (TRACE_ON(d3d_shader))
1573         shader_trace_init(fe, shader->frontend_data, byte_code);
1574
1575     /* Initialize immediate constant lists. */
1576     list_init(&shader->constantsF);
1577     list_init(&shader->constantsB);
1578     list_init(&shader->constantsI);
1579
1580     /* Second pass: figure out which registers are used, what the semantics are, etc. */
1581     hr = shader_get_registers_used(shader, fe,
1582             reg_maps, shader->input_signature, shader->output_signature,
1583             byte_code, float_const_count);
1584     if (FAILED(hr)) return hr;
1585
1586     if (reg_maps->shader_version.type != type)
1587     {
1588         WARN("Wrong shader type %d.\n", reg_maps->shader_version.type);
1589         return WINED3DERR_INVALIDCALL;
1590     }
1591     if (reg_maps->shader_version.major > max_version)
1592     {
1593         WARN("Shader version %d not supported by this D3D API version.\n", reg_maps->shader_version.major);
1594         return WINED3DERR_INVALIDCALL;
1595     }
1596     switch (type)
1597     {
1598         case WINED3D_SHADER_TYPE_VERTEX:
1599             backend_version = shader->device->vshader_version;
1600             break;
1601         case WINED3D_SHADER_TYPE_PIXEL:
1602             backend_version = shader->device->pshader_version;
1603             break;
1604         default:
1605             FIXME("No backend version-checking for this shader type\n");
1606             backend_version = 0;
1607     }
1608     if (reg_maps->shader_version.major > backend_version)
1609     {
1610         WARN("Shader version %d.%d not supported by your GPU with the current shader backend.\n",
1611                 reg_maps->shader_version.major, reg_maps->shader_version.minor);
1612         return WINED3DERR_INVALIDCALL;
1613     }
1614
1615     shader->function = HeapAlloc(GetProcessHeap(), 0, shader->functionLength);
1616     if (!shader->function)
1617         return E_OUTOFMEMORY;
1618     memcpy(shader->function, byte_code, shader->functionLength);
1619
1620     return WINED3D_OK;
1621 }
1622
1623 ULONG CDECL wined3d_shader_incref(struct wined3d_shader *shader)
1624 {
1625     ULONG refcount = InterlockedIncrement(&shader->ref);
1626
1627     TRACE("%p increasing refcount to %u.\n", shader, refcount);
1628
1629     return refcount;
1630 }
1631
1632 /* Do not call while under the GL lock. */
1633 ULONG CDECL wined3d_shader_decref(struct wined3d_shader *shader)
1634 {
1635     ULONG refcount = InterlockedDecrement(&shader->ref);
1636
1637     TRACE("%p decreasing refcount to %u.\n", shader, refcount);
1638
1639     if (!refcount)
1640     {
1641         shader_cleanup(shader);
1642         shader->parent_ops->wined3d_object_destroyed(shader->parent);
1643         HeapFree(GetProcessHeap(), 0, shader);
1644     }
1645
1646     return refcount;
1647 }
1648
1649 void * CDECL wined3d_shader_get_parent(const struct wined3d_shader *shader)
1650 {
1651     TRACE("shader %p.\n", shader);
1652
1653     return shader->parent;
1654 }
1655
1656 HRESULT CDECL wined3d_shader_get_byte_code(const struct wined3d_shader *shader,
1657         void *byte_code, UINT *byte_code_size)
1658 {
1659     TRACE("shader %p, byte_code %p, byte_code_size %p.\n", shader, byte_code, byte_code_size);
1660
1661     if (!byte_code)
1662     {
1663         *byte_code_size = shader->functionLength;
1664         return WINED3D_OK;
1665     }
1666
1667     if (*byte_code_size < shader->functionLength)
1668     {
1669         /* MSDN claims (for d3d8 at least) that if *byte_code_size is smaller
1670          * than the required size we should write the required size and
1671          * return D3DERR_MOREDATA. That's not actually true. */
1672         return WINED3DERR_INVALIDCALL;
1673     }
1674
1675     memcpy(byte_code, shader->function, shader->functionLength);
1676
1677     return WINED3D_OK;
1678 }
1679
1680 /* Set local constants for d3d8 shaders. */
1681 HRESULT CDECL wined3d_shader_set_local_constants_float(struct wined3d_shader *shader,
1682         UINT start_idx, const float *src_data, UINT count)
1683 {
1684     UINT end_idx = start_idx + count;
1685     UINT i;
1686
1687     TRACE("shader %p, start_idx %u, src_data %p, count %u.\n", shader, start_idx, src_data, count);
1688
1689     if (end_idx > shader->limits.constant_float)
1690     {
1691         WARN("end_idx %u > float constants limit %u.\n",
1692                 end_idx, shader->limits.constant_float);
1693         end_idx = shader->limits.constant_float;
1694     }
1695
1696     for (i = start_idx; i < end_idx; ++i)
1697     {
1698         struct wined3d_shader_lconst *lconst = HeapAlloc(GetProcessHeap(), 0, sizeof(*lconst));
1699         if (!lconst)
1700             return E_OUTOFMEMORY;
1701
1702         lconst->idx = i;
1703         memcpy(lconst->value, src_data + (i - start_idx) * 4 /* 4 components */, 4 * sizeof(float));
1704         list_add_head(&shader->constantsF, &lconst->entry);
1705     }
1706
1707     return WINED3D_OK;
1708 }
1709
1710 void find_vs_compile_args(const struct wined3d_state *state,
1711         const struct wined3d_shader *shader, struct vs_compile_args *args)
1712 {
1713     args->fog_src = state->render_states[WINED3D_RS_FOGTABLEMODE]
1714             == WINED3D_FOG_NONE ? VS_FOG_COORD : VS_FOG_Z;
1715     args->clip_enabled = state->render_states[WINED3D_RS_CLIPPING]
1716             && state->render_states[WINED3D_RS_CLIPPLANEENABLE];
1717     args->swizzle_map = shader->device->strided_streams.swizzle_map;
1718 }
1719
1720 static BOOL match_usage(BYTE usage1, BYTE usage_idx1, BYTE usage2, BYTE usage_idx2)
1721 {
1722     if (usage_idx1 != usage_idx2)
1723         return FALSE;
1724     if (usage1 == usage2)
1725         return TRUE;
1726     if (usage1 == WINED3D_DECL_USAGE_POSITION && usage2 == WINED3D_DECL_USAGE_POSITIONT)
1727         return TRUE;
1728     if (usage2 == WINED3D_DECL_USAGE_POSITION && usage1 == WINED3D_DECL_USAGE_POSITIONT)
1729         return TRUE;
1730
1731     return FALSE;
1732 }
1733
1734 BOOL vshader_get_input(const struct wined3d_shader *shader,
1735         BYTE usage_req, BYTE usage_idx_req, unsigned int *regnum)
1736 {
1737     WORD map = shader->reg_maps.input_registers;
1738     unsigned int i;
1739
1740     for (i = 0; map; map >>= 1, ++i)
1741     {
1742         if (!(map & 1)) continue;
1743
1744         if (match_usage(shader->u.vs.attributes[i].usage,
1745                 shader->u.vs.attributes[i].usage_idx, usage_req, usage_idx_req))
1746         {
1747             *regnum = i;
1748             return TRUE;
1749         }
1750     }
1751     return FALSE;
1752 }
1753
1754 static void vertexshader_set_limits(struct wined3d_shader *shader)
1755 {
1756     DWORD shader_version = WINED3D_SHADER_VERSION(shader->reg_maps.shader_version.major,
1757             shader->reg_maps.shader_version.minor);
1758     struct wined3d_device *device = shader->device;
1759
1760     shader->limits.texcoord = 0;
1761     shader->limits.attributes = 16;
1762     shader->limits.packed_input = 0;
1763
1764     switch (shader_version)
1765     {
1766         case WINED3D_SHADER_VERSION(1, 0):
1767         case WINED3D_SHADER_VERSION(1, 1):
1768             shader->limits.temporary = 12;
1769             shader->limits.constant_bool = 0;
1770             shader->limits.constant_int = 0;
1771             shader->limits.address = 1;
1772             shader->limits.packed_output = 12;
1773             shader->limits.sampler = 0;
1774             shader->limits.label = 0;
1775             /* TODO: vs_1_1 has a minimum of 96 constants. What happens when
1776              * a vs_1_1 shader is used on a vs_3_0 capable card that has 256
1777              * constants? */
1778             shader->limits.constant_float = min(256, device->d3d_vshader_constantF);
1779             break;
1780
1781         case WINED3D_SHADER_VERSION(2, 0):
1782         case WINED3D_SHADER_VERSION(2, 1):
1783             shader->limits.temporary = 12;
1784             shader->limits.constant_bool = 16;
1785             shader->limits.constant_int = 16;
1786             shader->limits.address = 1;
1787             shader->limits.packed_output = 12;
1788             shader->limits.sampler = 0;
1789             shader->limits.label = 16;
1790             shader->limits.constant_float = min(256, device->d3d_vshader_constantF);
1791             break;
1792
1793         case WINED3D_SHADER_VERSION(4, 0):
1794             FIXME("Using 3.0 limits for 4.0 shader.\n");
1795             /* Fall through. */
1796
1797         case WINED3D_SHADER_VERSION(3, 0):
1798             shader->limits.temporary = 32;
1799             shader->limits.constant_bool = 32;
1800             shader->limits.constant_int = 32;
1801             shader->limits.address = 1;
1802             shader->limits.packed_output = 12;
1803             shader->limits.sampler = 4;
1804             shader->limits.label = 16; /* FIXME: 2048 */
1805             /* DX10 cards on Windows advertise a d3d9 constant limit of 256
1806              * even though they are capable of supporting much more (GL
1807              * drivers advertise 1024). d3d9.dll and d3d8.dll clamp the
1808              * wined3d-advertised maximum. Clamp the constant limit for <= 3.0
1809              * shaders to 256. */
1810             shader->limits.constant_float = min(256, device->d3d_vshader_constantF);
1811             break;
1812
1813         default:
1814             shader->limits.temporary = 12;
1815             shader->limits.constant_bool = 16;
1816             shader->limits.constant_int = 16;
1817             shader->limits.address = 1;
1818             shader->limits.packed_output = 12;
1819             shader->limits.sampler = 0;
1820             shader->limits.label = 16;
1821             shader->limits.constant_float = min(256, device->d3d_vshader_constantF);
1822             FIXME("Unrecognized vertex shader version \"%u.%u\".\n",
1823                     shader->reg_maps.shader_version.major,
1824                     shader->reg_maps.shader_version.minor);
1825     }
1826 }
1827
1828 static HRESULT vertexshader_init(struct wined3d_shader *shader, struct wined3d_device *device,
1829         const DWORD *byte_code, const struct wined3d_shader_signature *output_signature,
1830         void *parent, const struct wined3d_parent_ops *parent_ops, unsigned int max_version)
1831 {
1832     struct wined3d_shader_reg_maps *reg_maps = &shader->reg_maps;
1833     unsigned int i;
1834     HRESULT hr;
1835     WORD map;
1836
1837     if (!byte_code) return WINED3DERR_INVALIDCALL;
1838
1839     shader_init(shader, device, parent, parent_ops);
1840     hr = shader_set_function(shader, byte_code, output_signature, device->d3d_vshader_constantF,
1841             WINED3D_SHADER_TYPE_VERTEX, max_version);
1842     if (FAILED(hr))
1843     {
1844         WARN("Failed to set function, hr %#x.\n", hr);
1845         shader_cleanup(shader);
1846         return hr;
1847     }
1848
1849     map = reg_maps->input_registers;
1850     for (i = 0; map; map >>= 1, ++i)
1851     {
1852         if (!(map & 1) || !shader->input_signature[i].semantic_name)
1853             continue;
1854
1855         shader->u.vs.attributes[i].usage =
1856                 shader_usage_from_semantic_name(shader->input_signature[i].semantic_name);
1857         shader->u.vs.attributes[i].usage_idx = shader->input_signature[i].semantic_idx;
1858     }
1859
1860     if (output_signature)
1861     {
1862         for (i = 0; i < output_signature->element_count; ++i)
1863         {
1864             struct wined3d_shader_signature_element *e = &output_signature->elements[i];
1865             reg_maps->output_registers |= 1 << e->register_idx;
1866             shader->output_signature[e->register_idx] = *e;
1867         }
1868     }
1869
1870     vertexshader_set_limits(shader);
1871
1872     shader->load_local_constsF = reg_maps->usesrelconstF
1873             && !list_empty(&shader->constantsF);
1874
1875     return WINED3D_OK;
1876 }
1877
1878 static HRESULT geometryshader_init(struct wined3d_shader *shader, struct wined3d_device *device,
1879         const DWORD *byte_code, const struct wined3d_shader_signature *output_signature,
1880         void *parent, const struct wined3d_parent_ops *parent_ops, unsigned int max_version)
1881 {
1882     HRESULT hr;
1883
1884     shader_init(shader, device, parent, parent_ops);
1885     hr = shader_set_function(shader, byte_code, output_signature, 0,
1886             WINED3D_SHADER_TYPE_GEOMETRY, max_version);
1887     if (FAILED(hr))
1888     {
1889         WARN("Failed to set function, hr %#x.\n", hr);
1890         shader_cleanup(shader);
1891         return hr;
1892     }
1893
1894     shader->load_local_constsF = FALSE;
1895
1896     return WINED3D_OK;
1897 }
1898
1899 void find_ps_compile_args(const struct wined3d_state *state,
1900         const struct wined3d_shader *shader, struct ps_compile_args *args)
1901 {
1902     struct wined3d_device *device = shader->device;
1903     const struct wined3d_texture *texture;
1904     UINT i;
1905
1906     memset(args, 0, sizeof(*args)); /* FIXME: Make sure all bits are set. */
1907     if (state->render_states[WINED3D_RS_SRGBWRITEENABLE])
1908     {
1909         const struct wined3d_surface *rt = state->fb->render_targets[0];
1910         if (rt->resource.format->flags & WINED3DFMT_FLAG_SRGB_WRITE) args->srgb_correction = 1;
1911     }
1912
1913     if (shader->reg_maps.shader_version.major == 1
1914             && shader->reg_maps.shader_version.minor <= 3)
1915     {
1916         for (i = 0; i < 4; ++i)
1917         {
1918             DWORD flags = state->texture_states[i][WINED3D_TSS_TEXTURE_TRANSFORM_FLAGS];
1919
1920             if (flags & WINED3D_TTFF_PROJECTED)
1921             {
1922                 enum wined3d_sampler_texture_type sampler_type = shader->reg_maps.sampler_type[i];
1923                 DWORD tex_transform = flags & ~WINED3D_TTFF_PROJECTED;
1924                 DWORD max_valid = WINED3D_TTFF_COUNT4;
1925
1926                 if (!state->vertex_shader)
1927                 {
1928                     unsigned int j;
1929                     unsigned int index = state->texture_states[i][WINED3D_TSS_TEXCOORD_INDEX];
1930                     for (j = 0; j < state->vertex_declaration->element_count; ++j)
1931                     {
1932                         struct wined3d_vertex_declaration_element *element =
1933                                 &state->vertex_declaration->elements[j];
1934
1935                         if (element->usage == WINED3D_DECL_USAGE_TEXCOORD
1936                                 && element->usage_idx == index)
1937                         {
1938                             max_valid = element->format->component_count;
1939                             break;
1940                         }
1941                     }
1942                 }
1943
1944                 if (!tex_transform || tex_transform > max_valid)
1945                 {
1946                     WARN("Fixing up projected texture transform flags from %#x to %#x.\n",
1947                             tex_transform, max_valid);
1948                     tex_transform = max_valid;
1949                 }
1950
1951                 if ((sampler_type == WINED3DSTT_1D && tex_transform > WINED3D_TTFF_COUNT1)
1952                         || (sampler_type == WINED3DSTT_2D && tex_transform > WINED3D_TTFF_COUNT2)
1953                         || (sampler_type == WINED3DSTT_VOLUME && tex_transform > WINED3D_TTFF_COUNT3))
1954                     tex_transform |= WINED3D_PSARGS_PROJECTED;
1955                 else
1956                     WARN("Application requested projected texture with unsuitable texture coordinates.\n");
1957
1958                 args->tex_transform |= tex_transform << i * WINED3D_PSARGS_TEXTRANSFORM_SHIFT;
1959             }
1960         }
1961     }
1962
1963     for (i = 0; i < MAX_FRAGMENT_SAMPLERS; ++i)
1964     {
1965         if (!shader->reg_maps.sampler_type[i])
1966             continue;
1967
1968         texture = state->textures[i];
1969         if (!texture)
1970         {
1971             args->color_fixup[i] = COLOR_FIXUP_IDENTITY;
1972             continue;
1973         }
1974         args->color_fixup[i] = texture->resource.format->color_fixup;
1975
1976         if (texture->resource.format->flags & WINED3DFMT_FLAG_SHADOW)
1977             args->shadow |= 1 << i;
1978
1979         /* Flag samplers that need NP2 texcoord fixup. */
1980         if (!(texture->flags & WINED3D_TEXTURE_POW2_MAT_IDENT))
1981             args->np2_fixup |= (1 << i);
1982     }
1983     if (shader->reg_maps.shader_version.major >= 3)
1984     {
1985         if (device->strided_streams.position_transformed)
1986         {
1987             args->vp_mode = pretransformed;
1988         }
1989         else if (use_vs(state))
1990         {
1991             args->vp_mode = vertexshader;
1992         }
1993         else
1994         {
1995             args->vp_mode = fixedfunction;
1996         }
1997         args->fog = FOG_OFF;
1998     }
1999     else
2000     {
2001         args->vp_mode = vertexshader;
2002         if (state->render_states[WINED3D_RS_FOGENABLE])
2003         {
2004             switch (state->render_states[WINED3D_RS_FOGTABLEMODE])
2005             {
2006                 case WINED3D_FOG_NONE:
2007                     if (device->strided_streams.position_transformed || use_vs(state))
2008                     {
2009                         args->fog = FOG_LINEAR;
2010                         break;
2011                     }
2012
2013                     switch (state->render_states[WINED3D_RS_FOGVERTEXMODE])
2014                     {
2015                         case WINED3D_FOG_NONE: /* Fall through. */
2016                         case WINED3D_FOG_LINEAR: args->fog = FOG_LINEAR; break;
2017                         case WINED3D_FOG_EXP:    args->fog = FOG_EXP;    break;
2018                         case WINED3D_FOG_EXP2:   args->fog = FOG_EXP2;   break;
2019                     }
2020                     break;
2021
2022                 case WINED3D_FOG_LINEAR: args->fog = FOG_LINEAR; break;
2023                 case WINED3D_FOG_EXP:    args->fog = FOG_EXP;    break;
2024                 case WINED3D_FOG_EXP2:   args->fog = FOG_EXP2;   break;
2025             }
2026         }
2027         else
2028         {
2029             args->fog = FOG_OFF;
2030         }
2031     }
2032 }
2033
2034 static void pixelshader_set_limits(struct wined3d_shader *shader)
2035 {
2036     DWORD shader_version = WINED3D_SHADER_VERSION(shader->reg_maps.shader_version.major,
2037             shader->reg_maps.shader_version.minor);
2038
2039     shader->limits.attributes = 0;
2040     shader->limits.address = 0;
2041     shader->limits.packed_output = 0;
2042
2043     switch (shader_version)
2044     {
2045         case WINED3D_SHADER_VERSION(1, 0):
2046         case WINED3D_SHADER_VERSION(1, 1):
2047         case WINED3D_SHADER_VERSION(1, 2):
2048         case WINED3D_SHADER_VERSION(1, 3):
2049             shader->limits.temporary = 2;
2050             shader->limits.constant_float = 8;
2051             shader->limits.constant_int = 0;
2052             shader->limits.constant_bool = 0;
2053             shader->limits.texcoord = 4;
2054             shader->limits.sampler = 4;
2055             shader->limits.packed_input = 0;
2056             shader->limits.label = 0;
2057             break;
2058
2059         case WINED3D_SHADER_VERSION(1, 4):
2060             shader->limits.temporary = 6;
2061             shader->limits.constant_float = 8;
2062             shader->limits.constant_int = 0;
2063             shader->limits.constant_bool = 0;
2064             shader->limits.texcoord = 6;
2065             shader->limits.sampler = 6;
2066             shader->limits.packed_input = 0;
2067             shader->limits.label = 0;
2068             break;
2069
2070         /* FIXME: Temporaries must match D3DPSHADERCAPS2_0.NumTemps. */
2071         case WINED3D_SHADER_VERSION(2, 0):
2072             shader->limits.temporary = 32;
2073             shader->limits.constant_float = 32;
2074             shader->limits.constant_int = 16;
2075             shader->limits.constant_bool = 16;
2076             shader->limits.texcoord = 8;
2077             shader->limits.sampler = 16;
2078             shader->limits.packed_input = 0;
2079             break;
2080
2081         case WINED3D_SHADER_VERSION(2, 1):
2082             shader->limits.temporary = 32;
2083             shader->limits.constant_float = 32;
2084             shader->limits.constant_int = 16;
2085             shader->limits.constant_bool = 16;
2086             shader->limits.texcoord = 8;
2087             shader->limits.sampler = 16;
2088             shader->limits.packed_input = 0;
2089             shader->limits.label = 16;
2090             break;
2091
2092         case WINED3D_SHADER_VERSION(4, 0):
2093             FIXME("Using 3.0 limits for 4.0 shader.\n");
2094             /* Fall through. */
2095
2096         case WINED3D_SHADER_VERSION(3, 0):
2097             shader->limits.temporary = 32;
2098             shader->limits.constant_float = 224;
2099             shader->limits.constant_int = 16;
2100             shader->limits.constant_bool = 16;
2101             shader->limits.texcoord = 0;
2102             shader->limits.sampler = 16;
2103             shader->limits.packed_input = 12;
2104             shader->limits.label = 16; /* FIXME: 2048 */
2105             break;
2106
2107         default:
2108             shader->limits.temporary = 32;
2109             shader->limits.constant_float = 32;
2110             shader->limits.constant_int = 16;
2111             shader->limits.constant_bool = 16;
2112             shader->limits.texcoord = 8;
2113             shader->limits.sampler = 16;
2114             shader->limits.packed_input = 0;
2115             shader->limits.label = 0;
2116             FIXME("Unrecognized pixel shader version %u.%u\n",
2117                     shader->reg_maps.shader_version.major,
2118                     shader->reg_maps.shader_version.minor);
2119     }
2120 }
2121
2122 static HRESULT pixelshader_init(struct wined3d_shader *shader, struct wined3d_device *device,
2123         const DWORD *byte_code, const struct wined3d_shader_signature *output_signature,
2124         void *parent, const struct wined3d_parent_ops *parent_ops, unsigned int max_version)
2125 {
2126     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
2127     unsigned int i, highest_reg_used = 0, num_regs_used = 0;
2128     HRESULT hr;
2129
2130     if (!byte_code) return WINED3DERR_INVALIDCALL;
2131
2132     shader_init(shader, device, parent, parent_ops);
2133     hr = shader_set_function(shader, byte_code, output_signature, device->d3d_pshader_constantF,
2134             WINED3D_SHADER_TYPE_PIXEL, max_version);
2135     if (FAILED(hr))
2136     {
2137         WARN("Failed to set function, hr %#x.\n", hr);
2138         shader_cleanup(shader);
2139         return hr;
2140     }
2141
2142     pixelshader_set_limits(shader);
2143
2144     for (i = 0; i < MAX_REG_INPUT; ++i)
2145     {
2146         if (shader->u.ps.input_reg_used[i])
2147         {
2148             ++num_regs_used;
2149             highest_reg_used = i;
2150         }
2151     }
2152
2153     /* Don't do any register mapping magic if it is not needed, or if we can't
2154      * achieve anything anyway */
2155     if (highest_reg_used < (gl_info->limits.glsl_varyings / 4)
2156             || num_regs_used > (gl_info->limits.glsl_varyings / 4))
2157     {
2158         if (num_regs_used > (gl_info->limits.glsl_varyings / 4))
2159         {
2160             /* This happens with relative addressing. The input mapper function
2161              * warns about this if the higher registers are declared too, so
2162              * don't write a FIXME here */
2163             WARN("More varying registers used than supported\n");
2164         }
2165
2166         for (i = 0; i < MAX_REG_INPUT; ++i)
2167         {
2168             shader->u.ps.input_reg_map[i] = i;
2169         }
2170
2171         shader->u.ps.declared_in_count = highest_reg_used + 1;
2172     }
2173     else
2174     {
2175         shader->u.ps.declared_in_count = 0;
2176         for (i = 0; i < MAX_REG_INPUT; ++i)
2177         {
2178             if (shader->u.ps.input_reg_used[i])
2179                 shader->u.ps.input_reg_map[i] = shader->u.ps.declared_in_count++;
2180             else shader->u.ps.input_reg_map[i] = ~0U;
2181         }
2182     }
2183
2184     shader->load_local_constsF = FALSE;
2185
2186     return WINED3D_OK;
2187 }
2188
2189 void pixelshader_update_samplers(struct wined3d_shader_reg_maps *reg_maps, struct wined3d_texture * const *textures)
2190 {
2191     enum wined3d_sampler_texture_type *sampler_type = reg_maps->sampler_type;
2192     unsigned int i;
2193
2194     if (reg_maps->shader_version.major != 1) return;
2195
2196     for (i = 0; i < max(MAX_FRAGMENT_SAMPLERS, MAX_VERTEX_SAMPLERS); ++i)
2197     {
2198         /* We don't sample from this sampler. */
2199         if (!sampler_type[i]) continue;
2200
2201         if (!textures[i])
2202         {
2203             WARN("No texture bound to sampler %u, using 2D.\n", i);
2204             sampler_type[i] = WINED3DSTT_2D;
2205             continue;
2206         }
2207
2208         switch (textures[i]->target)
2209         {
2210             case GL_TEXTURE_RECTANGLE_ARB:
2211             case GL_TEXTURE_2D:
2212                 /* We have to select between texture rectangles and 2D
2213                  * textures later because 2.0 and 3.0 shaders only have
2214                  * WINED3DSTT_2D as well. */
2215                 sampler_type[i] = WINED3DSTT_2D;
2216                 break;
2217
2218             case GL_TEXTURE_3D:
2219                 sampler_type[i] = WINED3DSTT_VOLUME;
2220                 break;
2221
2222             case GL_TEXTURE_CUBE_MAP_ARB:
2223                 sampler_type[i] = WINED3DSTT_CUBE;
2224                 break;
2225
2226             default:
2227                 FIXME("Unrecognized texture type %#x, using 2D.\n", textures[i]->target);
2228                 sampler_type[i] = WINED3DSTT_2D;
2229         }
2230     }
2231 }
2232
2233 HRESULT CDECL wined3d_shader_create_gs(struct wined3d_device *device, const DWORD *byte_code,
2234         const struct wined3d_shader_signature *output_signature, void *parent,
2235         const struct wined3d_parent_ops *parent_ops, struct wined3d_shader **shader, unsigned int max_version)
2236 {
2237     struct wined3d_shader *object;
2238     HRESULT hr;
2239
2240     TRACE("device %p, byte_code %p, output_signature %p, parent %p, parent_ops %p, shader %p.\n",
2241             device, byte_code, output_signature, parent, parent_ops, shader);
2242
2243     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
2244     if (!object)
2245     {
2246         ERR("Failed to allocate shader memory.\n");
2247         return E_OUTOFMEMORY;
2248     }
2249
2250     hr = geometryshader_init(object, device, byte_code, output_signature, parent, parent_ops, max_version);
2251     if (FAILED(hr))
2252     {
2253         WARN("Failed to initialize geometry shader, hr %#x.\n", hr);
2254         HeapFree(GetProcessHeap(), 0, object);
2255         return hr;
2256     }
2257
2258     TRACE("Created geometry shader %p.\n", object);
2259     *shader = object;
2260
2261     return WINED3D_OK;
2262 }
2263
2264 HRESULT CDECL wined3d_shader_create_ps(struct wined3d_device *device, const DWORD *byte_code,
2265         const struct wined3d_shader_signature *output_signature, void *parent,
2266         const struct wined3d_parent_ops *parent_ops, struct wined3d_shader **shader, unsigned int max_version)
2267 {
2268     struct wined3d_shader *object;
2269     HRESULT hr;
2270
2271     TRACE("device %p, byte_code %p, output_signature %p, parent %p, parent_ops %p, shader %p.\n",
2272             device, byte_code, output_signature, parent, parent_ops, shader);
2273
2274     if (device->ps_selected_mode == SHADER_NONE)
2275         return WINED3DERR_INVALIDCALL;
2276
2277     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
2278     if (!object)
2279     {
2280         ERR("Failed to allocate shader memory.\n");
2281         return E_OUTOFMEMORY;
2282     }
2283
2284     hr = pixelshader_init(object, device, byte_code, output_signature, parent, parent_ops, max_version);
2285     if (FAILED(hr))
2286     {
2287         WARN("Failed to initialize pixel shader, hr %#x.\n", hr);
2288         HeapFree(GetProcessHeap(), 0, object);
2289         return hr;
2290     }
2291
2292     TRACE("Created pixel shader %p.\n", object);
2293     *shader = object;
2294
2295     return WINED3D_OK;
2296 }
2297
2298 HRESULT CDECL wined3d_shader_create_vs(struct wined3d_device *device, const DWORD *byte_code,
2299         const struct wined3d_shader_signature *output_signature, void *parent,
2300         const struct wined3d_parent_ops *parent_ops, struct wined3d_shader **shader, unsigned int max_version)
2301 {
2302     struct wined3d_shader *object;
2303     HRESULT hr;
2304
2305     TRACE("device %p, byte_code %p, output_signature %p, parent %p, parent_ops %p, shader %p.\n",
2306             device, byte_code, output_signature, parent, parent_ops, shader);
2307
2308     if (device->vs_selected_mode == SHADER_NONE)
2309         return WINED3DERR_INVALIDCALL;
2310
2311     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
2312     if (!object)
2313     {
2314         ERR("Failed to allocate shader memory.\n");
2315         return E_OUTOFMEMORY;
2316     }
2317
2318     hr = vertexshader_init(object, device, byte_code, output_signature, parent, parent_ops, max_version);
2319     if (FAILED(hr))
2320     {
2321         WARN("Failed to initialize vertex shader, hr %#x.\n", hr);
2322         HeapFree(GetProcessHeap(), 0, object);
2323         return hr;
2324     }
2325
2326     TRACE("Created vertex shader %p.\n", object);
2327     *shader = object;
2328
2329     return WINED3D_OK;
2330 }