dlls/d3dcompiler_43/d3dcompiler_private.h

   1 /*
   2  * Copyright 2008 Stefan Dösinger
   3  * Copyright 2009 Matteo Bruni
   4  * Copyright 2010 Rico Schüller
   5  * Copyright 2012 Matteo Bruni for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #ifndef __WINE_D3DCOMPILER_PRIVATE_H
  23 #define __WINE_D3DCOMPILER_PRIVATE_H
  24
  25 #include "wine/debug.h"
  26 #include "wine/list.h"
  27 #include "wine/rbtree.h"
  28 #include "wine/heap.h"
  29
  30 #define COBJMACROS
  31 #include "windef.h"
  32 #include "winbase.h"
  33 #include "objbase.h"
  34
  35 #include "d3dcompiler.h"
  36
  37 #include <assert.h>
  38
  39 /*
  40  * This doesn't belong here, but for some functions it is possible to return that value,
  41  * see http://msdn.microsoft.com/en-us/library/bb205278%28v=VS.85%29.aspx
  42  * The original definition is in D3DX10core.h.
  43  */
  44 #define D3DERR_INVALIDCALL 0x8876086c
  45
  46 /* TRACE helper functions */
  47 const char *debug_d3dcompiler_d3d_blob_part(D3D_BLOB_PART part) DECLSPEC_HIDDEN;
  48 const char *debug_d3dcompiler_shader_variable_class(D3D_SHADER_VARIABLE_CLASS c) DECLSPEC_HIDDEN;
  49 const char *debug_d3dcompiler_shader_variable_type(D3D_SHADER_VARIABLE_TYPE t) DECLSPEC_HIDDEN;
  50
  51 enum shader_type
  52 {
  53     ST_UNKNOWN,
  54     ST_VERTEX,
  55     ST_PIXEL
  56 };
  57
  58 enum bwriter_comparison_type
  59 {
  60     BWRITER_COMPARISON_NONE,
  61     BWRITER_COMPARISON_GT,
  62     BWRITER_COMPARISON_EQ,
  63     BWRITER_COMPARISON_GE,
  64     BWRITER_COMPARISON_LT,
  65     BWRITER_COMPARISON_NE,
  66     BWRITER_COMPARISON_LE
  67 };
  68
  69 struct constant {
  70     DWORD                   regnum;
  71     union {
  72         float               f;
  73         INT                 i;
  74         BOOL                b;
  75         DWORD               d;
  76     }                       value[4];
  77 };
  78
  79 struct shader_reg {
  80     DWORD                   type;
  81     DWORD                   regnum;
  82     struct shader_reg       *rel_reg;
  83     DWORD                   srcmod;
  84     union {
  85         DWORD               swizzle;
  86         DWORD               writemask;
  87     } u;
  88 };
  89
  90 struct instruction {
  91     DWORD                   opcode;
  92     DWORD                   dstmod;
  93     DWORD                   shift;
  94     enum bwriter_comparison_type comptype;
  95     BOOL                    has_dst;
  96     struct shader_reg       dst;
  97     struct shader_reg       *src;
  98     unsigned int            num_srcs; /* For freeing the rel_regs */
  99     BOOL                    has_predicate;
 100     struct shader_reg       predicate;
 101     BOOL                    coissue;
 102 };
 103
 104 struct declaration {
 105     DWORD                   usage, usage_idx;
 106     DWORD                   regnum;
 107     DWORD                   mod;
 108     DWORD                   writemask;
 109     BOOL                    builtin;
 110 };
 111
 112 struct samplerdecl {
 113     DWORD                   type;
 114     DWORD                   regnum;
 115     DWORD                   mod;
 116 };
 117
 118 struct bwriter_shader {
 119     enum shader_type        type;
 120     unsigned char major_version, minor_version;
 121
 122     /* Local constants. Every constant that is not defined below is loaded from
 123      * the global constant set at shader runtime
 124      */
 125     struct constant         **constF;
 126     struct constant         **constI;
 127     struct constant         **constB;
 128     unsigned int            num_cf, num_ci, num_cb;
 129
 130     /* Declared input and output varyings */
 131     struct declaration      *inputs, *outputs;
 132     unsigned int            num_inputs, num_outputs;
 133     struct samplerdecl      *samplers;
 134     unsigned int            num_samplers;
 135
 136     /* Are special pixel shader 3.0 registers declared? */
 137     BOOL                    vPos, vFace;
 138
 139     /* Array of shader instructions - The shader code itself */
 140     struct instruction      **instr;
 141     unsigned int            num_instrs, instr_alloc_size;
 142 };
 143
 144 static inline void *d3dcompiler_alloc(SIZE_T size)
 145 {
 146     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
 147 }
 148
 149 static inline void *d3dcompiler_realloc(void *ptr, SIZE_T size)
 150 {
 151     if (!ptr)
 152         return d3dcompiler_alloc(size);
 153     return HeapReAlloc(GetProcessHeap(), 0, ptr, size);
 154 }
 155
 156 static inline BOOL d3dcompiler_free(void *ptr)
 157 {
 158     return HeapFree(GetProcessHeap(), 0, ptr);
 159 }
 160
 161 static inline char *d3dcompiler_strdup(const char *string)
 162 {
 163     char *copy;
 164     SIZE_T len;
 165
 166     if (!string)
 167         return NULL;
 168
 169     len = strlen(string);
 170     copy = d3dcompiler_alloc(len + 1);
 171     if (copy)
 172         memcpy(copy, string, len + 1);
 173     return copy;
 174 }
 175
 176 struct asm_parser;
 177
 178 /* This structure is only used in asmshader.y, but since the .l file accesses the semantic types
 179  * too it has to know it as well
 180  */
 181 struct rel_reg {
 182     BOOL            has_rel_reg;
 183     DWORD           type;
 184     DWORD           additional_offset;
 185     DWORD           rel_regnum;
 186     DWORD           swizzle;
 187 };
 188
 189 #define MAX_SRC_REGS 4
 190
 191 struct src_regs {
 192     struct shader_reg reg[MAX_SRC_REGS];
 193     unsigned int      count;
 194 };
 195
 196 struct asmparser_backend {
 197     void (*constF)(struct asm_parser *This, DWORD reg, float x, float y, float z, float w);
 198     void (*constI)(struct asm_parser *This, DWORD reg, INT x, INT y, INT z, INT w);
 199     void (*constB)(struct asm_parser *This, DWORD reg, BOOL x);
 200
 201     void (*dstreg)(struct asm_parser *This, struct instruction *instr,
 202                    const struct shader_reg *dst);
 203     void (*srcreg)(struct asm_parser *This, struct instruction *instr, int num,
 204                    const struct shader_reg *src);
 205
 206     void (*predicate)(struct asm_parser *This,
 207                       const struct shader_reg *predicate);
 208     void (*coissue)(struct asm_parser *This);
 209
 210     void (*dcl_output)(struct asm_parser *This, DWORD usage, DWORD num,
 211                        const struct shader_reg *reg);
 212     void (*dcl_input)(struct asm_parser *This, DWORD usage, DWORD num,
 213                       DWORD mod, const struct shader_reg *reg);
 214     void (*dcl_sampler)(struct asm_parser *This, DWORD samptype, DWORD mod,
 215                         DWORD regnum, unsigned int line_no);
 216
 217     void (*end)(struct asm_parser *This);
 218
 219     void (*instr)(struct asm_parser *parser, DWORD opcode, DWORD mod, DWORD shift,
 220             enum bwriter_comparison_type comp, const struct shader_reg *dst,
 221             const struct src_regs *srcs, int expectednsrcs);
 222 };
 223
 224 struct instruction *alloc_instr(unsigned int srcs) DECLSPEC_HIDDEN;
 225 BOOL add_instruction(struct bwriter_shader *shader, struct instruction *instr) DECLSPEC_HIDDEN;
 226 BOOL add_constF(struct bwriter_shader *shader, DWORD reg, float x, float y, float z, float w) DECLSPEC_HIDDEN;
 227 BOOL add_constI(struct bwriter_shader *shader, DWORD reg, INT x, INT y, INT z, INT w) DECLSPEC_HIDDEN;
 228 BOOL add_constB(struct bwriter_shader *shader, DWORD reg, BOOL x) DECLSPEC_HIDDEN;
 229 BOOL record_declaration(struct bwriter_shader *shader, DWORD usage, DWORD usage_idx,
 230         DWORD mod, BOOL output, DWORD regnum, DWORD writemask, BOOL builtin) DECLSPEC_HIDDEN;
 231 BOOL record_sampler(struct bwriter_shader *shader, DWORD samptype, DWORD mod, DWORD regnum) DECLSPEC_HIDDEN;
 232
 233 #define MESSAGEBUFFER_INITIAL_SIZE 256
 234
 235 enum parse_status
 236 {
 237     PARSE_SUCCESS = 0,
 238     PARSE_WARN = 1,
 239     PARSE_ERR = 2
 240 };
 241
 242 struct compilation_messages
 243 {
 244     char *string;
 245     unsigned int size;
 246     unsigned int capacity;
 247 };
 248
 249 struct asm_parser
 250 {
 251     /* The function table of the parser implementation */
 252     const struct asmparser_backend *funcs;
 253
 254     /* Private data follows */
 255     struct bwriter_shader *shader;
 256     unsigned int m3x3pad_count;
 257
 258     enum parse_status status;
 259     struct compilation_messages messages;
 260     unsigned int line_no;
 261 };
 262
 263 extern struct asm_parser asm_ctx DECLSPEC_HIDDEN;
 264
 265 void create_vs10_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 266 void create_vs11_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 267 void create_vs20_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 268 void create_vs2x_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 269 void create_vs30_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 270 void create_ps10_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 271 void create_ps11_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 272 void create_ps12_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 273 void create_ps13_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 274 void create_ps14_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 275 void create_ps20_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 276 void create_ps2x_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 277 void create_ps30_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 278
 279 struct bwriter_shader *parse_asm_shader(char **messages) DECLSPEC_HIDDEN;
 280
 281 #ifdef __GNUC__
 282 #define PRINTF_ATTR(fmt,args) __attribute__((format (printf,fmt,args)))
 283 #else
 284 #define PRINTF_ATTR(fmt,args)
 285 #endif
 286
 287 void compilation_message(struct compilation_messages *msg, const char *fmt, __ms_va_list args) DECLSPEC_HIDDEN;
 288 void WINAPIV asmparser_message(struct asm_parser *ctx, const char *fmt, ...) PRINTF_ATTR(2,3) DECLSPEC_HIDDEN;
 289 static inline void set_parse_status(enum parse_status *current, enum parse_status update)
 290 {
 291     if (update == PARSE_ERR)
 292         *current = PARSE_ERR;
 293     else if (update == PARSE_WARN && *current == PARSE_SUCCESS)
 294         *current = PARSE_WARN;
 295 }
 296
 297 /* Debug utility routines */
 298 const char *debug_print_srcmod(DWORD mod) DECLSPEC_HIDDEN;
 299 const char *debug_print_dstmod(DWORD mod) DECLSPEC_HIDDEN;
 300 const char *debug_print_shift(DWORD shift) DECLSPEC_HIDDEN;
 301 const char *debug_print_dstreg(const struct shader_reg *reg) DECLSPEC_HIDDEN;
 302 const char *debug_print_srcreg(const struct shader_reg *reg) DECLSPEC_HIDDEN;
 303 const char *debug_print_comp(DWORD comp) DECLSPEC_HIDDEN;
 304 const char *debug_print_opcode(DWORD opcode) DECLSPEC_HIDDEN;
 305
 306 /* Used to signal an incorrect swizzle/writemask */
 307 #define SWIZZLE_ERR ~0U
 308
 309 /* Enumerations and defines used in the bytecode writer intermediate
 310  * representation. */
 311 enum bwritershader_instruction_opcode_type
 312 {
 313     BWRITERSIO_NOP,
 314     BWRITERSIO_MOV,
 315     BWRITERSIO_ADD,
 316     BWRITERSIO_SUB,
 317     BWRITERSIO_MAD,
 318     BWRITERSIO_MUL,
 319     BWRITERSIO_RCP,
 320     BWRITERSIO_RSQ,
 321     BWRITERSIO_DP3,
 322     BWRITERSIO_DP4,
 323     BWRITERSIO_MIN,
 324     BWRITERSIO_MAX,
 325     BWRITERSIO_SLT,
 326     BWRITERSIO_SGE,
 327     BWRITERSIO_EXP,
 328     BWRITERSIO_LOG,
 329     BWRITERSIO_LIT,
 330     BWRITERSIO_DST,
 331     BWRITERSIO_LRP,
 332     BWRITERSIO_FRC,
 333     BWRITERSIO_M4x4,
 334     BWRITERSIO_M4x3,
 335     BWRITERSIO_M3x4,
 336     BWRITERSIO_M3x3,
 337     BWRITERSIO_M3x2,
 338     BWRITERSIO_CALL,
 339     BWRITERSIO_CALLNZ,
 340     BWRITERSIO_LOOP,
 341     BWRITERSIO_RET,
 342     BWRITERSIO_ENDLOOP,
 343     BWRITERSIO_LABEL,
 344     BWRITERSIO_DCL,
 345     BWRITERSIO_POW,
 346     BWRITERSIO_CRS,
 347     BWRITERSIO_SGN,
 348     BWRITERSIO_ABS,
 349     BWRITERSIO_NRM,
 350     BWRITERSIO_SINCOS,
 351     BWRITERSIO_REP,
 352     BWRITERSIO_ENDREP,
 353     BWRITERSIO_IF,
 354     BWRITERSIO_IFC,
 355     BWRITERSIO_ELSE,
 356     BWRITERSIO_ENDIF,
 357     BWRITERSIO_BREAK,
 358     BWRITERSIO_BREAKC,
 359     BWRITERSIO_MOVA,
 360     BWRITERSIO_DEFB,
 361     BWRITERSIO_DEFI,
 362
 363     BWRITERSIO_TEXCOORD,
 364     BWRITERSIO_TEXKILL,
 365     BWRITERSIO_TEX,
 366     BWRITERSIO_TEXBEM,
 367     BWRITERSIO_TEXBEML,
 368     BWRITERSIO_TEXREG2AR,
 369     BWRITERSIO_TEXREG2GB,
 370     BWRITERSIO_TEXM3x2PAD,
 371     BWRITERSIO_TEXM3x2TEX,
 372     BWRITERSIO_TEXM3x3PAD,
 373     BWRITERSIO_TEXM3x3TEX,
 374     BWRITERSIO_TEXM3x3SPEC,
 375     BWRITERSIO_TEXM3x3VSPEC,
 376     BWRITERSIO_EXPP,
 377     BWRITERSIO_LOGP,
 378     BWRITERSIO_CND,
 379     BWRITERSIO_DEF,
 380     BWRITERSIO_TEXREG2RGB,
 381     BWRITERSIO_TEXDP3TEX,
 382     BWRITERSIO_TEXM3x2DEPTH,
 383     BWRITERSIO_TEXDP3,
 384     BWRITERSIO_TEXM3x3,
 385     BWRITERSIO_TEXDEPTH,
 386     BWRITERSIO_CMP,
 387     BWRITERSIO_BEM,
 388     BWRITERSIO_DP2ADD,
 389     BWRITERSIO_DSX,
 390     BWRITERSIO_DSY,
 391     BWRITERSIO_TEXLDD,
 392     BWRITERSIO_SETP,
 393     BWRITERSIO_TEXLDL,
 394     BWRITERSIO_BREAKP,
 395     BWRITERSIO_TEXLDP,
 396     BWRITERSIO_TEXLDB,
 397
 398     BWRITERSIO_PHASE,
 399     BWRITERSIO_COMMENT,
 400     BWRITERSIO_END,
 401 };
 402
 403 enum bwritershader_param_register_type
 404 {
 405     BWRITERSPR_TEMP,
 406     BWRITERSPR_INPUT,
 407     BWRITERSPR_CONST,
 408     BWRITERSPR_ADDR,
 409     BWRITERSPR_TEXTURE,
 410     BWRITERSPR_RASTOUT,
 411     BWRITERSPR_ATTROUT,
 412     BWRITERSPR_TEXCRDOUT,
 413     BWRITERSPR_OUTPUT,
 414     BWRITERSPR_CONSTINT,
 415     BWRITERSPR_COLOROUT,
 416     BWRITERSPR_DEPTHOUT,
 417     BWRITERSPR_SAMPLER,
 418     BWRITERSPR_CONSTBOOL,
 419     BWRITERSPR_LOOP,
 420     BWRITERSPR_MISCTYPE,
 421     BWRITERSPR_LABEL,
 422     BWRITERSPR_PREDICATE
 423 };
 424
 425 enum bwritervs_rastout_offsets
 426 {
 427     BWRITERSRO_POSITION,
 428     BWRITERSRO_FOG,
 429     BWRITERSRO_POINT_SIZE
 430 };
 431
 432 #define BWRITERSP_WRITEMASK_0   0x1 /* .x r */
 433 #define BWRITERSP_WRITEMASK_1   0x2 /* .y g */
 434 #define BWRITERSP_WRITEMASK_2   0x4 /* .z b */
 435 #define BWRITERSP_WRITEMASK_3   0x8 /* .w a */
 436 #define BWRITERSP_WRITEMASK_ALL 0xf /* all */
 437
 438 enum bwritershader_param_dstmod_type
 439 {
 440     BWRITERSPDM_NONE = 0,
 441     BWRITERSPDM_SATURATE = 1,
 442     BWRITERSPDM_PARTIALPRECISION = 2,
 443     BWRITERSPDM_MSAMPCENTROID = 4,
 444 };
 445
 446 enum bwritersampler_texture_type
 447 {
 448     BWRITERSTT_UNKNOWN = 0,
 449     BWRITERSTT_1D = 1,
 450     BWRITERSTT_2D = 2,
 451     BWRITERSTT_CUBE = 3,
 452     BWRITERSTT_VOLUME = 4,
 453 };
 454
 455 #define BWRITERSI_TEXLD_PROJECT 1
 456 #define BWRITERSI_TEXLD_BIAS    2
 457
 458 enum bwritershader_param_srcmod_type
 459 {
 460     BWRITERSPSM_NONE = 0,
 461     BWRITERSPSM_NEG,
 462     BWRITERSPSM_BIAS,
 463     BWRITERSPSM_BIASNEG,
 464     BWRITERSPSM_SIGN,
 465     BWRITERSPSM_SIGNNEG,
 466     BWRITERSPSM_COMP,
 467     BWRITERSPSM_X2,
 468     BWRITERSPSM_X2NEG,
 469     BWRITERSPSM_DZ,
 470     BWRITERSPSM_DW,
 471     BWRITERSPSM_ABS,
 472     BWRITERSPSM_ABSNEG,
 473     BWRITERSPSM_NOT,
 474 };
 475
 476 #define BWRITER_SM1_VS  0xfffeu
 477 #define BWRITER_SM1_PS  0xffffu
 478
 479 #define BWRITERPS_VERSION(major, minor) ((BWRITER_SM1_PS << 16) | ((major) << 8) | (minor))
 480 #define BWRITERVS_VERSION(major, minor) ((BWRITER_SM1_VS << 16) | ((major) << 8) | (minor))
 481
 482 #define BWRITERVS_X_X       (0)
 483 #define BWRITERVS_X_Y       (1)
 484 #define BWRITERVS_X_Z       (2)
 485 #define BWRITERVS_X_W       (3)
 486
 487 #define BWRITERVS_Y_X       (0 << 2)
 488 #define BWRITERVS_Y_Y       (1 << 2)
 489 #define BWRITERVS_Y_Z       (2 << 2)
 490 #define BWRITERVS_Y_W       (3 << 2)
 491
 492 #define BWRITERVS_Z_X       (0 << 4)
 493 #define BWRITERVS_Z_Y       (1 << 4)
 494 #define BWRITERVS_Z_Z       (2 << 4)
 495 #define BWRITERVS_Z_W       (3 << 4)
 496
 497 #define BWRITERVS_W_X       (0 << 6)
 498 #define BWRITERVS_W_Y       (1 << 6)
 499 #define BWRITERVS_W_Z       (2 << 6)
 500 #define BWRITERVS_W_W       (3 << 6)
 501
 502 #define BWRITERVS_NOSWIZZLE (BWRITERVS_X_X | BWRITERVS_Y_Y | BWRITERVS_Z_Z | BWRITERVS_W_W)
 503
 504 #define BWRITERVS_SWIZZLE_X (BWRITERVS_X_X | BWRITERVS_Y_X | BWRITERVS_Z_X | BWRITERVS_W_X)
 505 #define BWRITERVS_SWIZZLE_Y (BWRITERVS_X_Y | BWRITERVS_Y_Y | BWRITERVS_Z_Y | BWRITERVS_W_Y)
 506 #define BWRITERVS_SWIZZLE_Z (BWRITERVS_X_Z | BWRITERVS_Y_Z | BWRITERVS_Z_Z | BWRITERVS_W_Z)
 507 #define BWRITERVS_SWIZZLE_W (BWRITERVS_X_W | BWRITERVS_Y_W | BWRITERVS_Z_W | BWRITERVS_W_W)
 508
 509 enum bwriterdeclusage
 510 {
 511     BWRITERDECLUSAGE_POSITION,
 512     BWRITERDECLUSAGE_BLENDWEIGHT,
 513     BWRITERDECLUSAGE_BLENDINDICES,
 514     BWRITERDECLUSAGE_NORMAL,
 515     BWRITERDECLUSAGE_PSIZE,
 516     BWRITERDECLUSAGE_TEXCOORD,
 517     BWRITERDECLUSAGE_TANGENT,
 518     BWRITERDECLUSAGE_BINORMAL,
 519     BWRITERDECLUSAGE_TESSFACTOR,
 520     BWRITERDECLUSAGE_POSITIONT,
 521     BWRITERDECLUSAGE_COLOR,
 522     BWRITERDECLUSAGE_FOG,
 523     BWRITERDECLUSAGE_DEPTH,
 524     BWRITERDECLUSAGE_SAMPLE
 525 };
 526
 527 /* ps 1.x texture registers mappings */
 528 #define T0_REG          2
 529 #define T1_REG          3
 530 #define T2_REG          4
 531 #define T3_REG          5
 532
 533 struct bwriter_shader *SlAssembleShader(const char *text, char **messages) DECLSPEC_HIDDEN;
 534 HRESULT shader_write_bytecode(const struct bwriter_shader *shader, DWORD **result, DWORD *size) DECLSPEC_HIDDEN;
 535 void SlDeleteShader(struct bwriter_shader *shader) DECLSPEC_HIDDEN;
 536
 537 /* The general IR structure is inspired by Mesa GLSL hir, even though the code
 538  * ends up being quite different in practice. Anyway, here comes the relevant
 539  * licensing information.
 540  *
 541  * Copyright © 2010 Intel Corporation
 542  *
 543  * Permission is hereby granted, free of charge, to any person obtaining a
 544  * copy of this software and associated documentation files (the "Software"),
 545  * to deal in the Software without restriction, including without limitation
 546  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 547  * and/or sell copies of the Software, and to permit persons to whom the
 548  * Software is furnished to do so, subject to the following conditions:
 549  *
 550  * The above copyright notice and this permission notice (including the next
 551  * paragraph) shall be included in all copies or substantial portions of the
 552  * Software.
 553  *
 554  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 555  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 556  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 557  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 558  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 559  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 560  * DEALINGS IN THE SOFTWARE.
 561  */
 562
 563 enum hlsl_type_class
 564 {
 565     HLSL_CLASS_SCALAR,
 566     HLSL_CLASS_VECTOR,
 567     HLSL_CLASS_MATRIX,
 568     HLSL_CLASS_LAST_NUMERIC = HLSL_CLASS_MATRIX,
 569     HLSL_CLASS_STRUCT,
 570     HLSL_CLASS_ARRAY,
 571     HLSL_CLASS_OBJECT,
 572 };
 573
 574 enum hlsl_base_type
 575 {
 576     HLSL_TYPE_FLOAT,
 577     HLSL_TYPE_HALF,
 578     HLSL_TYPE_DOUBLE,
 579     HLSL_TYPE_INT,
 580     HLSL_TYPE_UINT,
 581     HLSL_TYPE_BOOL,
 582     HLSL_TYPE_LAST_SCALAR = HLSL_TYPE_BOOL,
 583     HLSL_TYPE_SAMPLER,
 584     HLSL_TYPE_TEXTURE,
 585     HLSL_TYPE_PIXELSHADER,
 586     HLSL_TYPE_VERTEXSHADER,
 587     HLSL_TYPE_STRING,
 588     HLSL_TYPE_VOID,
 589 };
 590
 591 enum hlsl_sampler_dim
 592 {
 593    HLSL_SAMPLER_DIM_GENERIC,
 594    HLSL_SAMPLER_DIM_1D,
 595    HLSL_SAMPLER_DIM_2D,
 596    HLSL_SAMPLER_DIM_3D,
 597    HLSL_SAMPLER_DIM_CUBE,
 598    HLSL_SAMPLER_DIM_MAX = HLSL_SAMPLER_DIM_CUBE
 599 };
 600
 601 enum hlsl_matrix_majority
 602 {
 603     HLSL_COLUMN_MAJOR,
 604     HLSL_ROW_MAJOR
 605 };
 606
 607 struct hlsl_type
 608 {
 609     struct list entry;
 610     struct wine_rb_entry scope_entry;
 611     enum hlsl_type_class type;
 612     enum hlsl_base_type base_type;
 613     enum hlsl_sampler_dim sampler_dim;
 614     const char *name;
 615     unsigned int modifiers;
 616     unsigned int dimx;
 617     unsigned int dimy;
 618     unsigned int reg_size;
 619     union
 620     {
 621         struct list *elements;
 622         struct
 623         {
 624             struct hlsl_type *type;
 625             unsigned int elements_count;
 626         } array;
 627     } e;
 628 };
 629
 630 struct hlsl_struct_field
 631 {
 632     struct list entry;
 633     struct hlsl_type *type;
 634     const char *name;
 635     const char *semantic;
 636     DWORD modifiers;
 637     unsigned int reg_offset;
 638 };
 639
 640 struct source_location
 641 {
 642     const char *file;
 643     unsigned int line;
 644     unsigned int col;
 645 };
 646
 647 enum hlsl_ir_node_type
 648 {
 649     HLSL_IR_ASSIGNMENT = 0,
 650     HLSL_IR_CONSTANT,
 651     HLSL_IR_EXPR,
 652     HLSL_IR_IF,
 653     HLSL_IR_LOAD,
 654     HLSL_IR_LOOP,
 655     HLSL_IR_JUMP,
 656     HLSL_IR_SWIZZLE,
 657 };
 658
 659 struct hlsl_ir_node
 660 {
 661     struct list entry;
 662     enum hlsl_ir_node_type type;
 663     struct hlsl_type *data_type;
 664
 665     struct list uses;
 666
 667     struct source_location loc;
 668
 669     /* Liveness ranges. "index" is the index of this instruction. Since this is
 670      * essentially an SSA value, the earliest live point is the index. This is
 671      * true even for loops, since currently we can't have a reference to a
 672      * value generated in an earlier iteration of the loop. */
 673     unsigned int index, last_read;
 674 };
 675
 676 struct hlsl_src
 677 {
 678     struct hlsl_ir_node *node;
 679     struct list entry;
 680 };
 681
 682 #define HLSL_STORAGE_EXTERN          0x00000001
 683 #define HLSL_STORAGE_NOINTERPOLATION 0x00000002
 684 #define HLSL_MODIFIER_PRECISE        0x00000004
 685 #define HLSL_STORAGE_SHARED          0x00000008
 686 #define HLSL_STORAGE_GROUPSHARED     0x00000010
 687 #define HLSL_STORAGE_STATIC          0x00000020
 688 #define HLSL_STORAGE_UNIFORM         0x00000040
 689 #define HLSL_STORAGE_VOLATILE        0x00000080
 690 #define HLSL_MODIFIER_CONST          0x00000100
 691 #define HLSL_MODIFIER_ROW_MAJOR      0x00000200
 692 #define HLSL_MODIFIER_COLUMN_MAJOR   0x00000400
 693 #define HLSL_STORAGE_IN              0x00000800
 694 #define HLSL_STORAGE_OUT             0x00001000
 695
 696 #define HLSL_TYPE_MODIFIERS_MASK     (HLSL_MODIFIER_PRECISE | HLSL_STORAGE_VOLATILE | \
 697                                       HLSL_MODIFIER_CONST | HLSL_MODIFIER_ROW_MAJOR | \
 698                                       HLSL_MODIFIER_COLUMN_MAJOR)
 699
 700 #define HLSL_MODIFIERS_MAJORITY_MASK (HLSL_MODIFIER_ROW_MAJOR | HLSL_MODIFIER_COLUMN_MAJOR)
 701
 702 struct reg_reservation
 703 {
 704     enum bwritershader_param_register_type type;
 705     DWORD regnum;
 706 };
 707
 708 struct hlsl_ir_var
 709 {
 710     struct hlsl_type *data_type;
 711     struct source_location loc;
 712     const char *name;
 713     const char *semantic;
 714     unsigned int modifiers;
 715     const struct reg_reservation *reg_reservation;
 716     struct list scope_entry, param_entry;
 717
 718     unsigned int first_write, last_read;
 719 };
 720
 721 struct hlsl_ir_function
 722 {
 723     struct wine_rb_entry entry;
 724     const char *name;
 725     struct wine_rb_tree overloads;
 726     BOOL intrinsic;
 727 };
 728
 729 struct hlsl_ir_function_decl
 730 {
 731     struct hlsl_type *return_type;
 732     struct hlsl_ir_var *return_var;
 733     struct source_location loc;
 734     struct wine_rb_entry entry;
 735     struct hlsl_ir_function *func;
 736     const char *semantic;
 737     struct list *parameters;
 738     struct list *body;
 739 };
 740
 741 struct hlsl_ir_if
 742 {
 743     struct hlsl_ir_node node;
 744     struct hlsl_src condition;
 745     struct list then_instrs;
 746     struct list else_instrs;
 747 };
 748
 749 struct hlsl_ir_loop
 750 {
 751     struct hlsl_ir_node node;
 752     /* loop condition is stored in the body (as "if (!condition) break;") */
 753     struct list body;
 754     unsigned int next_index; /* liveness index of the end of the loop */
 755 };
 756
 757 enum hlsl_ir_expr_op {
 758     HLSL_IR_UNOP_BIT_NOT = 0,
 759     HLSL_IR_UNOP_LOGIC_NOT,
 760     HLSL_IR_UNOP_NEG,
 761     HLSL_IR_UNOP_ABS,
 762     HLSL_IR_UNOP_SIGN,
 763     HLSL_IR_UNOP_RCP,
 764     HLSL_IR_UNOP_RSQ,
 765     HLSL_IR_UNOP_SQRT,
 766     HLSL_IR_UNOP_NRM,
 767     HLSL_IR_UNOP_EXP2,
 768     HLSL_IR_UNOP_LOG2,
 769
 770     HLSL_IR_UNOP_CAST,
 771
 772     HLSL_IR_UNOP_FRACT,
 773
 774     HLSL_IR_UNOP_SIN,
 775     HLSL_IR_UNOP_COS,
 776     HLSL_IR_UNOP_SIN_REDUCED,    /* Reduced range [-pi, pi] */
 777     HLSL_IR_UNOP_COS_REDUCED,    /* Reduced range [-pi, pi] */
 778
 779     HLSL_IR_UNOP_DSX,
 780     HLSL_IR_UNOP_DSY,
 781
 782     HLSL_IR_UNOP_SAT,
 783
 784     HLSL_IR_UNOP_PREINC,
 785     HLSL_IR_UNOP_PREDEC,
 786     HLSL_IR_UNOP_POSTINC,
 787     HLSL_IR_UNOP_POSTDEC,
 788
 789     HLSL_IR_BINOP_ADD,
 790     HLSL_IR_BINOP_SUB,
 791     HLSL_IR_BINOP_MUL,
 792     HLSL_IR_BINOP_DIV,
 793
 794     HLSL_IR_BINOP_MOD,
 795
 796     HLSL_IR_BINOP_LESS,
 797     HLSL_IR_BINOP_GREATER,
 798     HLSL_IR_BINOP_LEQUAL,
 799     HLSL_IR_BINOP_GEQUAL,
 800     HLSL_IR_BINOP_EQUAL,
 801     HLSL_IR_BINOP_NEQUAL,
 802
 803     HLSL_IR_BINOP_LOGIC_AND,
 804     HLSL_IR_BINOP_LOGIC_OR,
 805
 806     HLSL_IR_BINOP_LSHIFT,
 807     HLSL_IR_BINOP_RSHIFT,
 808     HLSL_IR_BINOP_BIT_AND,
 809     HLSL_IR_BINOP_BIT_OR,
 810     HLSL_IR_BINOP_BIT_XOR,
 811
 812     HLSL_IR_BINOP_DOT,
 813     HLSL_IR_BINOP_CRS,
 814     HLSL_IR_BINOP_MIN,
 815     HLSL_IR_BINOP_MAX,
 816
 817     HLSL_IR_BINOP_POW,
 818
 819     HLSL_IR_TEROP_LERP,
 820
 821     HLSL_IR_SEQUENCE,
 822 };
 823
 824 struct hlsl_ir_expr
 825 {
 826     struct hlsl_ir_node node;
 827     enum hlsl_ir_expr_op op;
 828     struct hlsl_src operands[3];
 829 };
 830
 831 enum hlsl_ir_jump_type
 832 {
 833     HLSL_IR_JUMP_BREAK,
 834     HLSL_IR_JUMP_CONTINUE,
 835     HLSL_IR_JUMP_DISCARD,
 836     HLSL_IR_JUMP_RETURN,
 837 };
 838
 839 struct hlsl_ir_jump
 840 {
 841     struct hlsl_ir_node node;
 842     enum hlsl_ir_jump_type type;
 843 };
 844
 845 struct hlsl_ir_swizzle
 846 {
 847     struct hlsl_ir_node node;
 848     struct hlsl_src val;
 849     DWORD swizzle;
 850 };
 851
 852 struct hlsl_deref
 853 {
 854     struct hlsl_ir_var *var;
 855     struct hlsl_src offset;
 856 };
 857
 858 struct hlsl_ir_load
 859 {
 860     struct hlsl_ir_node node;
 861     struct hlsl_deref src;
 862 };
 863
 864 struct hlsl_ir_assignment
 865 {
 866     struct hlsl_ir_node node;
 867     struct hlsl_deref lhs;
 868     struct hlsl_src rhs;
 869     unsigned char writemask;
 870 };
 871
 872 struct hlsl_ir_constant
 873 {
 874     struct hlsl_ir_node node;
 875     union
 876     {
 877         unsigned u[4];
 878         int i[4];
 879         float f[4];
 880         double d[4];
 881         BOOL b[4];
 882     } value;
 883 };
 884
 885 struct hlsl_scope
 886 {
 887     struct list entry;
 888     struct list vars;
 889     struct wine_rb_tree types;
 890     struct hlsl_scope *upper;
 891 };
 892
 893 /* Structures used only during parsing */
 894 struct parse_parameter
 895 {
 896     struct hlsl_type *type;
 897     const char *name;
 898     const char *semantic;
 899     const struct reg_reservation *reg_reservation;
 900     unsigned int modifiers;
 901 };
 902
 903 struct parse_colon_attribute
 904 {
 905     const char *semantic;
 906     struct reg_reservation *reg_reservation;
 907 };
 908
 909 struct parse_initializer
 910 {
 911     struct hlsl_ir_node **args;
 912     unsigned int args_count;
 913     struct list *instrs;
 914 };
 915
 916 struct parse_variable_def
 917 {
 918     struct list entry;
 919     struct source_location loc;
 920
 921     char *name;
 922     unsigned int array_size;
 923     const char *semantic;
 924     struct reg_reservation *reg_reservation;
 925     struct parse_initializer initializer;
 926 };
 927
 928 struct parse_function
 929 {
 930     char *name;
 931     struct hlsl_ir_function_decl *decl;
 932 };
 933
 934 struct parse_if_body
 935 {
 936     struct list *then_instrs;
 937     struct list *else_instrs;
 938 };
 939
 940 enum parse_unary_op
 941 {
 942     UNARY_OP_PLUS,
 943     UNARY_OP_MINUS,
 944     UNARY_OP_LOGICNOT,
 945     UNARY_OP_BITNOT,
 946 };
 947
 948 enum parse_assign_op
 949 {
 950     ASSIGN_OP_ASSIGN,
 951     ASSIGN_OP_ADD,
 952     ASSIGN_OP_SUB,
 953     ASSIGN_OP_MUL,
 954     ASSIGN_OP_DIV,
 955     ASSIGN_OP_MOD,
 956     ASSIGN_OP_LSHIFT,
 957     ASSIGN_OP_RSHIFT,
 958     ASSIGN_OP_AND,
 959     ASSIGN_OP_OR,
 960     ASSIGN_OP_XOR,
 961 };
 962
 963 struct hlsl_parse_ctx
 964 {
 965     const char **source_files;
 966     unsigned int source_files_count;
 967     const char *source_file;
 968     unsigned int line_no;
 969     unsigned int column;
 970     enum parse_status status;
 971     struct compilation_messages messages;
 972
 973     struct hlsl_scope *cur_scope;
 974     struct hlsl_scope *globals;
 975     struct list scopes;
 976
 977     struct list types;
 978     struct wine_rb_tree functions;
 979     const struct hlsl_ir_function_decl *cur_function;
 980
 981     enum hlsl_matrix_majority matrix_majority;
 982
 983     struct
 984     {
 985         struct hlsl_type *scalar[HLSL_TYPE_LAST_SCALAR + 1];
 986         struct hlsl_type *vector[HLSL_TYPE_LAST_SCALAR + 1][4];
 987         struct hlsl_type *sampler[HLSL_SAMPLER_DIM_MAX + 1];
 988         struct hlsl_type *Void;
 989     } builtin_types;
 990
 991     struct list static_initializers;
 992 };
 993
 994 extern struct hlsl_parse_ctx hlsl_ctx DECLSPEC_HIDDEN;
 995
 996 enum hlsl_error_level
 997 {
 998     HLSL_LEVEL_ERROR = 0,
 999     HLSL_LEVEL_WARNING,
1000     HLSL_LEVEL_NOTE,
1001 };
1002
1003 void WINAPIV hlsl_message(const char *fmt, ...) PRINTF_ATTR(1,2) DECLSPEC_HIDDEN;
1004 void WINAPIV hlsl_report_message(const struct source_location loc,
1005         enum hlsl_error_level level, const char *fmt, ...) PRINTF_ATTR(3,4) DECLSPEC_HIDDEN;
1006
1007 static inline struct hlsl_ir_expr *expr_from_node(const struct hlsl_ir_node *node)
1008 {
1009     assert(node->type == HLSL_IR_EXPR);
1010     return CONTAINING_RECORD(node, struct hlsl_ir_expr, node);
1011 }
1012
1013 static inline struct hlsl_ir_load *load_from_node(const struct hlsl_ir_node *node)
1014 {
1015     assert(node->type == HLSL_IR_LOAD);
1016     return CONTAINING_RECORD(node, struct hlsl_ir_load, node);
1017 }
1018
1019 static inline struct hlsl_ir_constant *constant_from_node(const struct hlsl_ir_node *node)
1020 {
1021     assert(node->type == HLSL_IR_CONSTANT);
1022     return CONTAINING_RECORD(node, struct hlsl_ir_constant, node);
1023 }
1024
1025 static inline struct hlsl_ir_jump *jump_from_node(const struct hlsl_ir_node *node)
1026 {
1027     assert(node->type == HLSL_IR_JUMP);
1028     return CONTAINING_RECORD(node, struct hlsl_ir_jump, node);
1029 }
1030
1031 static inline struct hlsl_ir_assignment *assignment_from_node(const struct hlsl_ir_node *node)
1032 {
1033     assert(node->type == HLSL_IR_ASSIGNMENT);
1034     return CONTAINING_RECORD(node, struct hlsl_ir_assignment, node);
1035 }
1036
1037 static inline struct hlsl_ir_swizzle *swizzle_from_node(const struct hlsl_ir_node *node)
1038 {
1039     assert(node->type == HLSL_IR_SWIZZLE);
1040     return CONTAINING_RECORD(node, struct hlsl_ir_swizzle, node);
1041 }
1042
1043 static inline struct hlsl_ir_if *if_from_node(const struct hlsl_ir_node *node)
1044 {
1045     assert(node->type == HLSL_IR_IF);
1046     return CONTAINING_RECORD(node, struct hlsl_ir_if, node);
1047 }
1048
1049 static inline struct hlsl_ir_loop *loop_from_node(const struct hlsl_ir_node *node)
1050 {
1051     assert(node->type == HLSL_IR_LOOP);
1052     return CONTAINING_RECORD(node, struct hlsl_ir_loop, node);
1053 }
1054
1055 static inline struct hlsl_ir_node *node_from_list(struct list *list)
1056 {
1057     return LIST_ENTRY(list_tail(list), struct hlsl_ir_node, entry);
1058 }
1059
1060 static inline void init_node(struct hlsl_ir_node *node, enum hlsl_ir_node_type type,
1061         struct hlsl_type *data_type, struct source_location loc)
1062 {
1063     node->type = type;
1064     node->data_type = data_type;
1065     node->loc = loc;
1066     list_init(&node->uses);
1067 }
1068
1069 static inline void hlsl_src_from_node(struct hlsl_src *src, struct hlsl_ir_node *node)
1070 {
1071     src->node = node;
1072     if (node)
1073         list_add_tail(&node->uses, &src->entry);
1074 }
1075
1076 static inline void hlsl_src_remove(struct hlsl_src *src)
1077 {
1078     if (src->node)
1079         list_remove(&src->entry);
1080     src->node = NULL;
1081 }
1082
1083 struct hlsl_ir_node *add_assignment(struct list *instrs, struct hlsl_ir_node *lhs,
1084         enum parse_assign_op assign_op, struct hlsl_ir_node *rhs) DECLSPEC_HIDDEN;
1085 struct hlsl_ir_expr *add_expr(struct list *instrs, enum hlsl_ir_expr_op op, struct hlsl_ir_node *operands[3],
1086         struct source_location *loc) DECLSPEC_HIDDEN;
1087 struct hlsl_ir_node *add_implicit_conversion(struct list *instrs, struct hlsl_ir_node *node, struct hlsl_type *type,
1088         struct source_location *loc) DECLSPEC_HIDDEN;
1089
1090 struct hlsl_ir_expr *new_cast(struct hlsl_ir_node *node, struct hlsl_type *type,
1091         struct source_location *loc) DECLSPEC_HIDDEN;
1092 struct hlsl_ir_node *new_binary_expr(enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg1,
1093         struct hlsl_ir_node *arg2) DECLSPEC_HIDDEN;
1094 struct hlsl_ir_node *new_unary_expr(enum hlsl_ir_expr_op op, struct hlsl_ir_node *arg,
1095         struct source_location loc) DECLSPEC_HIDDEN;
1096
1097 BOOL add_declaration(struct hlsl_scope *scope, struct hlsl_ir_var *decl, BOOL local_var) DECLSPEC_HIDDEN;
1098 struct hlsl_ir_var *get_variable(struct hlsl_scope *scope, const char *name) DECLSPEC_HIDDEN;
1099 void free_declaration(struct hlsl_ir_var *decl) DECLSPEC_HIDDEN;
1100 struct hlsl_type *new_hlsl_type(const char *name, enum hlsl_type_class type_class,
1101         enum hlsl_base_type base_type, unsigned dimx, unsigned dimy) DECLSPEC_HIDDEN;
1102 struct hlsl_type *new_array_type(struct hlsl_type *basic_type, unsigned int array_size) DECLSPEC_HIDDEN;
1103 struct hlsl_type *clone_hlsl_type(struct hlsl_type *old, unsigned int default_majority) DECLSPEC_HIDDEN;
1104 struct hlsl_type *get_type(struct hlsl_scope *scope, const char *name, BOOL recursive) DECLSPEC_HIDDEN;
1105 BOOL is_row_major(const struct hlsl_type *type) DECLSPEC_HIDDEN;
1106 BOOL find_function(const char *name) DECLSPEC_HIDDEN;
1107 unsigned int components_count_type(struct hlsl_type *type) DECLSPEC_HIDDEN;
1108 BOOL compare_hlsl_types(const struct hlsl_type *t1, const struct hlsl_type *t2) DECLSPEC_HIDDEN;
1109 BOOL compatible_data_types(struct hlsl_type *s1, struct hlsl_type *s2) DECLSPEC_HIDDEN;
1110 void push_scope(struct hlsl_parse_ctx *ctx) DECLSPEC_HIDDEN;
1111 BOOL pop_scope(struct hlsl_parse_ctx *ctx) DECLSPEC_HIDDEN;
1112 void init_functions_tree(struct wine_rb_tree *funcs) DECLSPEC_HIDDEN;
1113 void add_function_decl(struct wine_rb_tree *funcs, char *name, struct hlsl_ir_function_decl *decl,
1114         BOOL intrinsic) DECLSPEC_HIDDEN;
1115 HRESULT parse_hlsl_shader(const char *text, enum shader_type type, DWORD major, DWORD minor,
1116         const char *entrypoint, ID3D10Blob **shader, char **messages) DECLSPEC_HIDDEN;
1117
1118 const char *debug_base_type(const struct hlsl_type *type) DECLSPEC_HIDDEN;
1119 const char *debug_hlsl_type(const struct hlsl_type *type) DECLSPEC_HIDDEN;
1120 const char *debug_modifiers(DWORD modifiers) DECLSPEC_HIDDEN;
1121 const char *debug_node_type(enum hlsl_ir_node_type type) DECLSPEC_HIDDEN;
1122 void debug_dump_ir_function_decl(const struct hlsl_ir_function_decl *func) DECLSPEC_HIDDEN;
1123
1124 void free_hlsl_type(struct hlsl_type *type) DECLSPEC_HIDDEN;
1125 void free_instr(struct hlsl_ir_node *node) DECLSPEC_HIDDEN;
1126 void free_instr_list(struct list *list) DECLSPEC_HIDDEN;
1127 void free_function_rb(struct wine_rb_entry *entry, void *context) DECLSPEC_HIDDEN;
1128
1129 #define MAKE_TAG(ch0, ch1, ch2, ch3) \
1130     ((DWORD)(ch0) | ((DWORD)(ch1) << 8) | \
1131     ((DWORD)(ch2) << 16) | ((DWORD)(ch3) << 24 ))
1132 #define TAG_Aon9 MAKE_TAG('A', 'o', 'n', '9')
1133 #define TAG_DXBC MAKE_TAG('D', 'X', 'B', 'C')
1134 #define TAG_ISGN MAKE_TAG('I', 'S', 'G', 'N')
1135 #define TAG_OSGN MAKE_TAG('O', 'S', 'G', 'N')
1136 #define TAG_OSG5 MAKE_TAG('O', 'S', 'G', '5')
1137 #define TAG_PCSG MAKE_TAG('P', 'C', 'S', 'G')
1138 #define TAG_RDEF MAKE_TAG('R', 'D', 'E', 'F')
1139 #define TAG_SDBG MAKE_TAG('S', 'D', 'B', 'G')
1140 #define TAG_SHDR MAKE_TAG('S', 'H', 'D', 'R')
1141 #define TAG_SHEX MAKE_TAG('S', 'H', 'E', 'X')
1142 #define TAG_STAT MAKE_TAG('S', 'T', 'A', 'T')
1143 #define TAG_XNAP MAKE_TAG('X', 'N', 'A', 'P')
1144 #define TAG_XNAS MAKE_TAG('X', 'N', 'A', 'S')
1145
1146 struct dxbc_section
1147 {
1148     DWORD tag;
1149     const char *data;
1150     DWORD data_size;
1151 };
1152
1153 struct dxbc
1154 {
1155     UINT size;
1156     UINT count;
1157     struct dxbc_section *sections;
1158 };
1159
1160 HRESULT dxbc_write_blob(struct dxbc *dxbc, ID3DBlob **blob) DECLSPEC_HIDDEN;
1161 void dxbc_destroy(struct dxbc *dxbc) DECLSPEC_HIDDEN;
1162 HRESULT dxbc_parse(const char *data, SIZE_T data_size, struct dxbc *dxbc) DECLSPEC_HIDDEN;
1163 HRESULT dxbc_add_section(struct dxbc *dxbc, DWORD tag, const char *data, DWORD data_size) DECLSPEC_HIDDEN;
1164 HRESULT dxbc_init(struct dxbc *dxbc, unsigned int size) DECLSPEC_HIDDEN;
1165
1166 static inline DWORD read_dword(const char **ptr)
1167 {
1168     DWORD r;
1169     memcpy(&r, *ptr, sizeof(r));
1170     *ptr += sizeof(r);
1171     return r;
1172 }
1173
1174 static inline void write_dword(char **ptr, DWORD d)
1175 {
1176     memcpy(*ptr, &d, sizeof(d));
1177     *ptr += sizeof(d);
1178 }
1179
1180 void skip_dword_unknown(const char **ptr, unsigned int count) DECLSPEC_HIDDEN;
1181
1182 #endif /* __WINE_D3DCOMPILER_PRIVATE_H */