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
  29 #define COBJMACROS
  30 #include "windef.h"
  31 #include "winbase.h"
  32 #include "objbase.h"
  33
  34 #include "d3dcompiler.h"
  35
  36 #include <assert.h>
  37
  38 /*
  39  * This doesn't belong here, but for some functions it is possible to return that value,
  40  * see http://msdn.microsoft.com/en-us/library/bb205278%28v=VS.85%29.aspx
  41  * The original definition is in D3DX10core.h.
  42  */
  43 #define D3DERR_INVALIDCALL 0x8876086c
  44
  45 /* TRACE helper functions */
  46 const char *debug_d3dcompiler_d3d_blob_part(D3D_BLOB_PART part) DECLSPEC_HIDDEN;
  47 const char *debug_d3dcompiler_shader_variable_class(D3D_SHADER_VARIABLE_CLASS c) DECLSPEC_HIDDEN;
  48 const char *debug_d3dcompiler_shader_variable_type(D3D_SHADER_VARIABLE_TYPE t) DECLSPEC_HIDDEN;
  49
  50 enum shader_type
  51 {
  52     ST_VERTEX,
  53     ST_PIXEL,
  54 };
  55
  56 typedef enum BWRITER_COMPARISON_TYPE {
  57     BWRITER_COMPARISON_NONE,
  58     BWRITER_COMPARISON_GT,
  59     BWRITER_COMPARISON_EQ,
  60     BWRITER_COMPARISON_GE,
  61     BWRITER_COMPARISON_LT,
  62     BWRITER_COMPARISON_NE,
  63     BWRITER_COMPARISON_LE
  64 } BWRITER_COMPARISON_TYPE;
  65
  66 struct constant {
  67     DWORD                   regnum;
  68     union {
  69         float               f;
  70         INT                 i;
  71         BOOL                b;
  72         DWORD               d;
  73     }                       value[4];
  74 };
  75
  76 struct shader_reg {
  77     DWORD                   type;
  78     DWORD                   regnum;
  79     struct shader_reg       *rel_reg;
  80     DWORD                   srcmod;
  81     union {
  82         DWORD               swizzle;
  83         DWORD               writemask;
  84     } u;
  85 };
  86
  87 struct instruction {
  88     DWORD                   opcode;
  89     DWORD                   dstmod;
  90     DWORD                   shift;
  91     BWRITER_COMPARISON_TYPE comptype;
  92     BOOL                    has_dst;
  93     struct shader_reg       dst;
  94     struct shader_reg       *src;
  95     unsigned int            num_srcs; /* For freeing the rel_regs */
  96     BOOL                    has_predicate;
  97     struct shader_reg       predicate;
  98     BOOL                    coissue;
  99 };
 100
 101 struct declaration {
 102     DWORD                   usage, usage_idx;
 103     DWORD                   regnum;
 104     DWORD                   mod;
 105     DWORD                   writemask;
 106     BOOL                    builtin;
 107 };
 108
 109 struct samplerdecl {
 110     DWORD                   type;
 111     DWORD                   regnum;
 112     DWORD                   mod;
 113 };
 114
 115 #define INSTRARRAY_INITIAL_SIZE 8
 116 struct bwriter_shader {
 117     enum shader_type        type;
 118
 119     /* Shader version selected */
 120     DWORD                   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     return HeapReAlloc(GetProcessHeap(), 0, ptr, size);
 152 }
 153
 154 static inline BOOL d3dcompiler_free(void *ptr)
 155 {
 156     return HeapFree(GetProcessHeap(), 0, ptr);
 157 }
 158
 159 static inline char *d3dcompiler_strdup(const char *string)
 160 {
 161     char *copy;
 162     SIZE_T len;
 163
 164     if (!string)
 165         return NULL;
 166
 167     len = strlen(string);
 168     copy = d3dcompiler_alloc(len + 1);
 169     if (copy)
 170         memcpy(copy, string, len + 1);
 171     return copy;
 172 }
 173
 174 struct asm_parser;
 175
 176 /* This structure is only used in asmshader.y, but since the .l file accesses the semantic types
 177  * too it has to know it as well
 178  */
 179 struct rel_reg {
 180     BOOL            has_rel_reg;
 181     DWORD           type;
 182     DWORD           additional_offset;
 183     DWORD           rel_regnum;
 184     DWORD           swizzle;
 185 };
 186
 187 #define MAX_SRC_REGS 4
 188
 189 struct src_regs {
 190     struct shader_reg reg[MAX_SRC_REGS];
 191     unsigned int      count;
 192 };
 193
 194 struct asmparser_backend {
 195     void (*constF)(struct asm_parser *This, DWORD reg, float x, float y, float z, float w);
 196     void (*constI)(struct asm_parser *This, DWORD reg, INT x, INT y, INT z, INT w);
 197     void (*constB)(struct asm_parser *This, DWORD reg, BOOL x);
 198
 199     void (*dstreg)(struct asm_parser *This, struct instruction *instr,
 200                    const struct shader_reg *dst);
 201     void (*srcreg)(struct asm_parser *This, struct instruction *instr, int num,
 202                    const struct shader_reg *src);
 203
 204     void (*predicate)(struct asm_parser *This,
 205                       const struct shader_reg *predicate);
 206     void (*coissue)(struct asm_parser *This);
 207
 208     void (*dcl_output)(struct asm_parser *This, DWORD usage, DWORD num,
 209                        const struct shader_reg *reg);
 210     void (*dcl_input)(struct asm_parser *This, DWORD usage, DWORD num,
 211                       DWORD mod, const struct shader_reg *reg);
 212     void (*dcl_sampler)(struct asm_parser *This, DWORD samptype, DWORD mod,
 213                         DWORD regnum, unsigned int line_no);
 214
 215     void (*end)(struct asm_parser *This);
 216
 217     void (*instr)(struct asm_parser *This, DWORD opcode, DWORD mod, DWORD shift,
 218                   BWRITER_COMPARISON_TYPE comp, const struct shader_reg *dst,
 219                   const struct src_regs *srcs, int expectednsrcs);
 220 };
 221
 222 struct instruction *alloc_instr(unsigned int srcs) DECLSPEC_HIDDEN;
 223 BOOL add_instruction(struct bwriter_shader *shader, struct instruction *instr) DECLSPEC_HIDDEN;
 224 BOOL add_constF(struct bwriter_shader *shader, DWORD reg, float x, float y, float z, float w) DECLSPEC_HIDDEN;
 225 BOOL add_constI(struct bwriter_shader *shader, DWORD reg, INT x, INT y, INT z, INT w) DECLSPEC_HIDDEN;
 226 BOOL add_constB(struct bwriter_shader *shader, DWORD reg, BOOL x) DECLSPEC_HIDDEN;
 227 BOOL record_declaration(struct bwriter_shader *shader, DWORD usage, DWORD usage_idx,
 228         DWORD mod, BOOL output, DWORD regnum, DWORD writemask, BOOL builtin) DECLSPEC_HIDDEN;
 229 BOOL record_sampler(struct bwriter_shader *shader, DWORD samptype, DWORD mod, DWORD regnum) DECLSPEC_HIDDEN;
 230
 231 #define MESSAGEBUFFER_INITIAL_SIZE 256
 232
 233 enum parse_status
 234 {
 235     PARSE_SUCCESS = 0,
 236     PARSE_WARN = 1,
 237     PARSE_ERR = 2
 238 };
 239
 240 struct compilation_messages
 241 {
 242     char *string;
 243     unsigned int size;
 244     unsigned int capacity;
 245 };
 246
 247 struct asm_parser
 248 {
 249     /* The function table of the parser implementation */
 250     const struct asmparser_backend *funcs;
 251
 252     /* Private data follows */
 253     struct bwriter_shader *shader;
 254     unsigned int m3x3pad_count;
 255
 256     enum parse_status status;
 257     struct compilation_messages messages;
 258     unsigned int line_no;
 259 };
 260
 261 extern struct asm_parser asm_ctx DECLSPEC_HIDDEN;
 262
 263 void create_vs10_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 264 void create_vs11_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 265 void create_vs20_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 266 void create_vs2x_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 267 void create_vs30_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 268 void create_ps10_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 269 void create_ps11_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 270 void create_ps12_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 271 void create_ps13_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 272 void create_ps14_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 273 void create_ps20_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 274 void create_ps2x_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 275 void create_ps30_parser(struct asm_parser *ret) DECLSPEC_HIDDEN;
 276
 277 struct bwriter_shader *parse_asm_shader(char **messages) DECLSPEC_HIDDEN;
 278
 279 #ifdef __GNUC__
 280 #define PRINTF_ATTR(fmt,args) __attribute__((format (printf,fmt,args)))
 281 #else
 282 #define PRINTF_ATTR(fmt,args)
 283 #endif
 284
 285 void compilation_message(struct compilation_messages *msg, const char *fmt, va_list args) DECLSPEC_HIDDEN;
 286 void asmparser_message(struct asm_parser *ctx, const char *fmt, ...) PRINTF_ATTR(2,3) DECLSPEC_HIDDEN;
 287 static inline void set_parse_status(enum parse_status *current, enum parse_status update)
 288 {
 289     if (update == PARSE_ERR)
 290         *current = PARSE_ERR;
 291     else if (update == PARSE_WARN && *current == PARSE_SUCCESS)
 292         *current = PARSE_WARN;
 293 }
 294
 295 /* A reasonable value as initial size */
 296 #define BYTECODEBUFFER_INITIAL_SIZE 32
 297 struct bytecode_buffer {
 298     DWORD *data;
 299     DWORD size;
 300     DWORD alloc_size;
 301     /* For tracking rare out of memory situations without passing
 302      * return values around everywhere
 303      */
 304     HRESULT state;
 305 };
 306
 307 struct bc_writer; /* Predeclaration for use in vtable parameters */
 308
 309 typedef void (*instr_writer)(struct bc_writer *This,
 310                              const struct instruction *instr,
 311                              struct bytecode_buffer *buffer);
 312
 313 struct bytecode_backend {
 314     void (*header)(struct bc_writer *This, const struct bwriter_shader *shader,
 315                    struct bytecode_buffer *buffer);
 316     void (*end)(struct bc_writer *This, const struct bwriter_shader *shader,
 317                 struct bytecode_buffer *buffer);
 318     void (*srcreg)(struct bc_writer *This, const struct shader_reg *reg,
 319                    struct bytecode_buffer *buffer);
 320     void (*dstreg)(struct bc_writer *This, const struct shader_reg *reg,
 321                    struct bytecode_buffer *buffer, DWORD shift, DWORD mod);
 322     void (*opcode)(struct bc_writer *This, const struct instruction *instr,
 323                    DWORD token, struct bytecode_buffer *buffer);
 324
 325     const struct instr_handler_table {
 326         DWORD opcode;
 327         instr_writer func;
 328     } *instructions;
 329 };
 330
 331 /* Bytecode writing stuff */
 332 struct bc_writer {
 333     const struct bytecode_backend *funcs;
 334
 335     /* Avoid result checking */
 336     HRESULT                       state;
 337
 338     DWORD                         version;
 339
 340     /* Vertex shader varying mapping */
 341     DWORD                         oPos_regnum;
 342     DWORD                         oD_regnum[2];
 343     DWORD                         oT_regnum[8];
 344     DWORD                         oFog_regnum;
 345     DWORD                         oFog_mask;
 346     DWORD                         oPts_regnum;
 347     DWORD                         oPts_mask;
 348
 349     /* Pixel shader specific members */
 350     DWORD                         t_regnum[8];
 351     DWORD                         v_regnum[2];
 352 };
 353
 354 /* Debug utility routines */
 355 const char *debug_print_srcmod(DWORD mod) DECLSPEC_HIDDEN;
 356 const char *debug_print_dstmod(DWORD mod) DECLSPEC_HIDDEN;
 357 const char *debug_print_shift(DWORD shift) DECLSPEC_HIDDEN;
 358 const char *debug_print_dstreg(const struct shader_reg *reg) DECLSPEC_HIDDEN;
 359 const char *debug_print_srcreg(const struct shader_reg *reg) DECLSPEC_HIDDEN;
 360 const char *debug_print_comp(DWORD comp) DECLSPEC_HIDDEN;
 361 const char *debug_print_opcode(DWORD opcode) DECLSPEC_HIDDEN;
 362
 363 /* Used to signal an incorrect swizzle/writemask */
 364 #define SWIZZLE_ERR ~0U
 365
 366 /*
 367   Enumerations and defines used in the bytecode writer
 368   intermediate representation
 369 */
 370 typedef enum _BWRITERSHADER_INSTRUCTION_OPCODE_TYPE {
 371     BWRITERSIO_NOP,
 372     BWRITERSIO_MOV,
 373     BWRITERSIO_ADD,
 374     BWRITERSIO_SUB,
 375     BWRITERSIO_MAD,
 376     BWRITERSIO_MUL,
 377     BWRITERSIO_RCP,
 378     BWRITERSIO_RSQ,
 379     BWRITERSIO_DP3,
 380     BWRITERSIO_DP4,
 381     BWRITERSIO_MIN,
 382     BWRITERSIO_MAX,
 383     BWRITERSIO_SLT,
 384     BWRITERSIO_SGE,
 385     BWRITERSIO_EXP,
 386     BWRITERSIO_LOG,
 387     BWRITERSIO_LIT,
 388     BWRITERSIO_DST,
 389     BWRITERSIO_LRP,
 390     BWRITERSIO_FRC,
 391     BWRITERSIO_M4x4,
 392     BWRITERSIO_M4x3,
 393     BWRITERSIO_M3x4,
 394     BWRITERSIO_M3x3,
 395     BWRITERSIO_M3x2,
 396     BWRITERSIO_CALL,
 397     BWRITERSIO_CALLNZ,
 398     BWRITERSIO_LOOP,
 399     BWRITERSIO_RET,
 400     BWRITERSIO_ENDLOOP,
 401     BWRITERSIO_LABEL,
 402     BWRITERSIO_DCL,
 403     BWRITERSIO_POW,
 404     BWRITERSIO_CRS,
 405     BWRITERSIO_SGN,
 406     BWRITERSIO_ABS,
 407     BWRITERSIO_NRM,
 408     BWRITERSIO_SINCOS,
 409     BWRITERSIO_REP,
 410     BWRITERSIO_ENDREP,
 411     BWRITERSIO_IF,
 412     BWRITERSIO_IFC,
 413     BWRITERSIO_ELSE,
 414     BWRITERSIO_ENDIF,
 415     BWRITERSIO_BREAK,
 416     BWRITERSIO_BREAKC,
 417     BWRITERSIO_MOVA,
 418     BWRITERSIO_DEFB,
 419     BWRITERSIO_DEFI,
 420
 421     BWRITERSIO_TEXCOORD,
 422     BWRITERSIO_TEXKILL,
 423     BWRITERSIO_TEX,
 424     BWRITERSIO_TEXBEM,
 425     BWRITERSIO_TEXBEML,
 426     BWRITERSIO_TEXREG2AR,
 427     BWRITERSIO_TEXREG2GB,
 428     BWRITERSIO_TEXM3x2PAD,
 429     BWRITERSIO_TEXM3x2TEX,
 430     BWRITERSIO_TEXM3x3PAD,
 431     BWRITERSIO_TEXM3x3TEX,
 432     BWRITERSIO_TEXM3x3SPEC,
 433     BWRITERSIO_TEXM3x3VSPEC,
 434     BWRITERSIO_EXPP,
 435     BWRITERSIO_LOGP,
 436     BWRITERSIO_CND,
 437     BWRITERSIO_DEF,
 438     BWRITERSIO_TEXREG2RGB,
 439     BWRITERSIO_TEXDP3TEX,
 440     BWRITERSIO_TEXM3x2DEPTH,
 441     BWRITERSIO_TEXDP3,
 442     BWRITERSIO_TEXM3x3,
 443     BWRITERSIO_TEXDEPTH,
 444     BWRITERSIO_CMP,
 445     BWRITERSIO_BEM,
 446     BWRITERSIO_DP2ADD,
 447     BWRITERSIO_DSX,
 448     BWRITERSIO_DSY,
 449     BWRITERSIO_TEXLDD,
 450     BWRITERSIO_SETP,
 451     BWRITERSIO_TEXLDL,
 452     BWRITERSIO_BREAKP,
 453     BWRITERSIO_TEXLDP,
 454     BWRITERSIO_TEXLDB,
 455
 456     BWRITERSIO_PHASE,
 457     BWRITERSIO_COMMENT,
 458     BWRITERSIO_END,
 459 } BWRITERSHADER_INSTRUCTION_OPCODE_TYPE;
 460
 461 typedef enum _BWRITERSHADER_PARAM_REGISTER_TYPE {
 462     BWRITERSPR_TEMP,
 463     BWRITERSPR_INPUT,
 464     BWRITERSPR_CONST,
 465     BWRITERSPR_ADDR,
 466     BWRITERSPR_TEXTURE,
 467     BWRITERSPR_RASTOUT,
 468     BWRITERSPR_ATTROUT,
 469     BWRITERSPR_TEXCRDOUT,
 470     BWRITERSPR_OUTPUT,
 471     BWRITERSPR_CONSTINT,
 472     BWRITERSPR_COLOROUT,
 473     BWRITERSPR_DEPTHOUT,
 474     BWRITERSPR_SAMPLER,
 475     BWRITERSPR_CONSTBOOL,
 476     BWRITERSPR_LOOP,
 477     BWRITERSPR_MISCTYPE,
 478     BWRITERSPR_LABEL,
 479     BWRITERSPR_PREDICATE
 480 } BWRITERSHADER_PARAM_REGISTER_TYPE;
 481
 482 typedef enum _BWRITERVS_RASTOUT_OFFSETS
 483 {
 484     BWRITERSRO_POSITION,
 485     BWRITERSRO_FOG,
 486     BWRITERSRO_POINT_SIZE
 487 } BWRITERVS_RASTOUT_OFFSETS;
 488
 489 #define BWRITERSP_WRITEMASK_0   0x1 /* .x r */
 490 #define BWRITERSP_WRITEMASK_1   0x2 /* .y g */
 491 #define BWRITERSP_WRITEMASK_2   0x4 /* .z b */
 492 #define BWRITERSP_WRITEMASK_3   0x8 /* .w a */
 493 #define BWRITERSP_WRITEMASK_ALL 0xf /* all */
 494
 495 typedef enum _BWRITERSHADER_PARAM_DSTMOD_TYPE {
 496     BWRITERSPDM_NONE = 0,
 497     BWRITERSPDM_SATURATE = 1,
 498     BWRITERSPDM_PARTIALPRECISION = 2,
 499     BWRITERSPDM_MSAMPCENTROID = 4,
 500 } BWRITERSHADER_PARAM_DSTMOD_TYPE;
 501
 502 typedef enum _BWRITERSAMPLER_TEXTURE_TYPE {
 503     BWRITERSTT_UNKNOWN = 0,
 504     BWRITERSTT_1D = 1,
 505     BWRITERSTT_2D = 2,
 506     BWRITERSTT_CUBE = 3,
 507     BWRITERSTT_VOLUME = 4,
 508 } BWRITERSAMPLER_TEXTURE_TYPE;
 509
 510 #define BWRITERSI_TEXLD_PROJECT 1
 511 #define BWRITERSI_TEXLD_BIAS    2
 512
 513 typedef enum _BWRITERSHADER_PARAM_SRCMOD_TYPE {
 514     BWRITERSPSM_NONE = 0,
 515     BWRITERSPSM_NEG,
 516     BWRITERSPSM_BIAS,
 517     BWRITERSPSM_BIASNEG,
 518     BWRITERSPSM_SIGN,
 519     BWRITERSPSM_SIGNNEG,
 520     BWRITERSPSM_COMP,
 521     BWRITERSPSM_X2,
 522     BWRITERSPSM_X2NEG,
 523     BWRITERSPSM_DZ,
 524     BWRITERSPSM_DW,
 525     BWRITERSPSM_ABS,
 526     BWRITERSPSM_ABSNEG,
 527     BWRITERSPSM_NOT,
 528 } BWRITERSHADER_PARAM_SRCMOD_TYPE;
 529
 530 #define BWRITER_SM1_VS  0xfffe
 531 #define BWRITER_SM1_PS  0xffff
 532
 533 #define BWRITERPS_VERSION(major, minor) ((BWRITER_SM1_PS << 16) | ((major) << 8) | (minor))
 534 #define BWRITERVS_VERSION(major, minor) ((BWRITER_SM1_VS << 16) | ((major) << 8) | (minor))
 535
 536 #define BWRITERVS_SWIZZLE_SHIFT      16
 537 #define BWRITERVS_SWIZZLE_MASK       (0xFF << BWRITERVS_SWIZZLE_SHIFT)
 538
 539 #define BWRITERVS_X_X       (0 << BWRITERVS_SWIZZLE_SHIFT)
 540 #define BWRITERVS_X_Y       (1 << BWRITERVS_SWIZZLE_SHIFT)
 541 #define BWRITERVS_X_Z       (2 << BWRITERVS_SWIZZLE_SHIFT)
 542 #define BWRITERVS_X_W       (3 << BWRITERVS_SWIZZLE_SHIFT)
 543
 544 #define BWRITERVS_Y_X       (0 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 545 #define BWRITERVS_Y_Y       (1 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 546 #define BWRITERVS_Y_Z       (2 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 547 #define BWRITERVS_Y_W       (3 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 548
 549 #define BWRITERVS_Z_X       (0 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 550 #define BWRITERVS_Z_Y       (1 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 551 #define BWRITERVS_Z_Z       (2 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 552 #define BWRITERVS_Z_W       (3 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 553
 554 #define BWRITERVS_W_X       (0 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 555 #define BWRITERVS_W_Y       (1 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 556 #define BWRITERVS_W_Z       (2 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 557 #define BWRITERVS_W_W       (3 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 558
 559 #define BWRITERVS_NOSWIZZLE (BWRITERVS_X_X | BWRITERVS_Y_Y | BWRITERVS_Z_Z | BWRITERVS_W_W)
 560
 561 #define BWRITERVS_SWIZZLE_X (BWRITERVS_X_X | BWRITERVS_Y_X | BWRITERVS_Z_X | BWRITERVS_W_X)
 562 #define BWRITERVS_SWIZZLE_Y (BWRITERVS_X_Y | BWRITERVS_Y_Y | BWRITERVS_Z_Y | BWRITERVS_W_Y)
 563 #define BWRITERVS_SWIZZLE_Z (BWRITERVS_X_Z | BWRITERVS_Y_Z | BWRITERVS_Z_Z | BWRITERVS_W_Z)
 564 #define BWRITERVS_SWIZZLE_W (BWRITERVS_X_W | BWRITERVS_Y_W | BWRITERVS_Z_W | BWRITERVS_W_W)
 565
 566 typedef enum _BWRITERDECLUSAGE {
 567     BWRITERDECLUSAGE_POSITION,
 568     BWRITERDECLUSAGE_BLENDWEIGHT,
 569     BWRITERDECLUSAGE_BLENDINDICES,
 570     BWRITERDECLUSAGE_NORMAL,
 571     BWRITERDECLUSAGE_PSIZE,
 572     BWRITERDECLUSAGE_TEXCOORD,
 573     BWRITERDECLUSAGE_TANGENT,
 574     BWRITERDECLUSAGE_BINORMAL,
 575     BWRITERDECLUSAGE_TESSFACTOR,
 576     BWRITERDECLUSAGE_POSITIONT,
 577     BWRITERDECLUSAGE_COLOR,
 578     BWRITERDECLUSAGE_FOG,
 579     BWRITERDECLUSAGE_DEPTH,
 580     BWRITERDECLUSAGE_SAMPLE
 581 } BWRITERDECLUSAGE;
 582
 583 /* ps 1.x texture registers mappings */
 584 #define T0_REG          2
 585 #define T1_REG          3
 586 #define T2_REG          4
 587 #define T3_REG          5
 588
 589 struct bwriter_shader *SlAssembleShader(const char *text, char **messages) DECLSPEC_HIDDEN;
 590 HRESULT SlWriteBytecode(const struct bwriter_shader *shader, int dxversion, DWORD **result, DWORD *size) DECLSPEC_HIDDEN;
 591 void SlDeleteShader(struct bwriter_shader *shader) DECLSPEC_HIDDEN;
 592
 593 /* The general IR structure is inspired by Mesa GLSL hir, even though the code
 594  * ends up being quite different in practice. Anyway, here comes the relevant
 595  * licensing information.
 596  *
 597  * Copyright © 2010 Intel Corporation
 598  *
 599  * Permission is hereby granted, free of charge, to any person obtaining a
 600  * copy of this software and associated documentation files (the "Software"),
 601  * to deal in the Software without restriction, including without limitation
 602  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 603  * and/or sell copies of the Software, and to permit persons to whom the
 604  * Software is furnished to do so, subject to the following conditions:
 605  *
 606  * The above copyright notice and this permission notice (including the next
 607  * paragraph) shall be included in all copies or substantial portions of the
 608  * Software.
 609  *
 610  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 611  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 612  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 613  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 614  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 615  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 616  * DEALINGS IN THE SOFTWARE.
 617  */
 618
 619 enum hlsl_type_class
 620 {
 621     HLSL_CLASS_SCALAR,
 622     HLSL_CLASS_VECTOR,
 623     HLSL_CLASS_MATRIX,
 624     HLSL_CLASS_LAST_NUMERIC = HLSL_CLASS_MATRIX,
 625     HLSL_CLASS_STRUCT,
 626     HLSL_CLASS_ARRAY,
 627     HLSL_CLASS_OBJECT,
 628 };
 629
 630 enum hlsl_base_type
 631 {
 632     HLSL_TYPE_FLOAT,
 633     HLSL_TYPE_HALF,
 634     HLSL_TYPE_DOUBLE,
 635     HLSL_TYPE_INT,
 636     HLSL_TYPE_UINT,
 637     HLSL_TYPE_BOOL,
 638     HLSL_TYPE_LAST_SCALAR = HLSL_TYPE_BOOL,
 639     HLSL_TYPE_SAMPLER,
 640     HLSL_TYPE_TEXTURE,
 641     HLSL_TYPE_PIXELSHADER,
 642     HLSL_TYPE_VERTEXSHADER,
 643     HLSL_TYPE_STRING,
 644     HLSL_TYPE_VOID,
 645 };
 646
 647 enum hlsl_sampler_dim
 648 {
 649    HLSL_SAMPLER_DIM_GENERIC,
 650    HLSL_SAMPLER_DIM_1D,
 651    HLSL_SAMPLER_DIM_2D,
 652    HLSL_SAMPLER_DIM_3D,
 653    HLSL_SAMPLER_DIM_CUBE,
 654 };
 655
 656 enum hlsl_matrix_majority
 657 {
 658     HLSL_COLUMN_MAJOR,
 659     HLSL_ROW_MAJOR
 660 };
 661
 662 struct hlsl_type
 663 {
 664     struct list entry;
 665     struct list scope_entry;
 666     enum hlsl_type_class type;
 667     enum hlsl_base_type base_type;
 668     enum hlsl_sampler_dim sampler_dim;
 669     const char *name;
 670     unsigned int modifiers;
 671     unsigned int dimx;
 672     unsigned int dimy;
 673     union
 674     {
 675         struct list *elements;
 676         struct
 677         {
 678             struct hlsl_type *type;
 679             unsigned int elements_count;
 680         } array;
 681     } e;
 682 };
 683
 684 struct hlsl_struct_field
 685 {
 686     struct list entry;
 687     struct hlsl_type *type;
 688     const char *name;
 689     const char *semantic;
 690     DWORD modifiers;
 691 };
 692
 693 struct source_location
 694 {
 695     const char *file;
 696     unsigned int line;
 697     unsigned int col;
 698 };
 699
 700 enum hlsl_ir_node_type
 701 {
 702     HLSL_IR_VAR = 0,
 703     HLSL_IR_ASSIGNMENT,
 704     HLSL_IR_CONSTANT,
 705     HLSL_IR_CONSTRUCTOR,
 706     HLSL_IR_DEREF,
 707     HLSL_IR_EXPR,
 708     HLSL_IR_FUNCTION_DECL,
 709 };
 710
 711 struct hlsl_ir_node
 712 {
 713     struct list entry;
 714     enum hlsl_ir_node_type type;
 715     struct hlsl_type *data_type;
 716
 717     struct source_location loc;
 718 };
 719
 720 #define HLSL_STORAGE_EXTERN          0x00000001
 721 #define HLSL_STORAGE_NOINTERPOLATION 0x00000002
 722 #define HLSL_MODIFIER_PRECISE        0x00000004
 723 #define HLSL_STORAGE_SHARED          0x00000008
 724 #define HLSL_STORAGE_GROUPSHARED     0x00000010
 725 #define HLSL_STORAGE_STATIC          0x00000020
 726 #define HLSL_STORAGE_UNIFORM         0x00000040
 727 #define HLSL_STORAGE_VOLATILE        0x00000080
 728 #define HLSL_MODIFIER_CONST          0x00000100
 729 #define HLSL_MODIFIER_ROW_MAJOR      0x00000200
 730 #define HLSL_MODIFIER_COLUMN_MAJOR   0x00000400
 731 #define HLSL_MODIFIER_IN             0x00000800
 732 #define HLSL_MODIFIER_OUT            0x00001000
 733
 734 struct hlsl_ir_var
 735 {
 736     struct hlsl_ir_node node;
 737     const char *name;
 738     const char *semantic;
 739     unsigned int modifiers;
 740     struct list scope_entry;
 741
 742     struct hlsl_var_allocation *allocation;
 743 };
 744
 745 struct hlsl_ir_function_decl
 746 {
 747     struct hlsl_ir_node node;
 748     const char *name;
 749     const char *semantic;
 750     struct list *parameters;
 751     struct list *body;
 752 };
 753
 754 struct hlsl_ir_assignment
 755 {
 756     struct hlsl_ir_node node;
 757     struct hlsl_ir_node *lhs;
 758     struct hlsl_ir_node *rhs;
 759     unsigned char writemask;
 760 };
 761
 762 enum hlsl_ir_expr_op {
 763     HLSL_IR_UNOP_BIT_NOT = 0,
 764     HLSL_IR_UNOP_LOGIC_NOT,
 765     HLSL_IR_UNOP_NEG,
 766     HLSL_IR_UNOP_ABS,
 767     HLSL_IR_UNOP_SIGN,
 768     HLSL_IR_UNOP_RCP,
 769     HLSL_IR_UNOP_RSQ,
 770     HLSL_IR_UNOP_SQRT,
 771     HLSL_IR_UNOP_NRM,
 772     HLSL_IR_UNOP_EXP2,
 773     HLSL_IR_UNOP_LOG2,
 774
 775     HLSL_IR_UNOP_CAST,
 776
 777     HLSL_IR_UNOP_FRACT,
 778
 779     HLSL_IR_UNOP_SIN,
 780     HLSL_IR_UNOP_COS,
 781     HLSL_IR_UNOP_SIN_REDUCED,    /* Reduced range [-pi, pi] */
 782     HLSL_IR_UNOP_COS_REDUCED,    /* Reduced range [-pi, pi] */
 783
 784     HLSL_IR_UNOP_DSX,
 785     HLSL_IR_UNOP_DSY,
 786
 787     HLSL_IR_UNOP_SAT,
 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_BINOP_PREINC,
 820     HLSL_IR_BINOP_PREDEC,
 821     HLSL_IR_BINOP_POSTINC,
 822     HLSL_IR_BINOP_POSTDEC,
 823
 824     HLSL_IR_TEROP_LERP,
 825
 826     HLSL_IR_SEQUENCE,
 827 };
 828
 829 struct hlsl_ir_expr
 830 {
 831     struct hlsl_ir_node node;
 832     enum hlsl_ir_expr_op op;
 833     struct hlsl_ir_node *operands[3];
 834     struct list *subexpressions;
 835 };
 836
 837 enum hlsl_ir_deref_type
 838 {
 839     HLSL_IR_DEREF_VAR,
 840     HLSL_IR_DEREF_ARRAY,
 841     HLSL_IR_DEREF_RECORD,
 842 };
 843
 844 struct hlsl_ir_deref
 845 {
 846     struct hlsl_ir_node node;
 847     enum hlsl_ir_deref_type type;
 848     union
 849     {
 850         struct hlsl_ir_var *var;
 851         struct
 852         {
 853             struct hlsl_ir_node *array;
 854             struct hlsl_ir_node *index;
 855         } array;
 856         struct
 857         {
 858             struct hlsl_ir_node *record;
 859             const char *field;
 860         } record;
 861     } v;
 862 };
 863
 864 struct hlsl_ir_constant
 865 {
 866     struct hlsl_ir_node node;
 867     union
 868     {
 869         union
 870         {
 871             unsigned u[16];
 872             int i[16];
 873             float f[16];
 874             double d[16];
 875             BOOL b[16];
 876         } value;
 877         struct hlsl_ir_constant *array_elements;
 878         struct list *struct_elements;
 879     } v;
 880 };
 881
 882 struct hlsl_ir_constructor
 883 {
 884     struct hlsl_ir_node node;
 885     struct list *arguments;
 886 };
 887
 888 struct hlsl_scope
 889 {
 890     struct list entry;
 891     struct list vars;
 892     struct list types;
 893     struct hlsl_scope *upper;
 894 };
 895
 896 /* Structures used only during parsing */
 897 struct parse_parameter
 898 {
 899     struct hlsl_type *type;
 900     const char *name;
 901     const char *semantic;
 902     unsigned int modifiers;
 903 };
 904
 905 struct parse_variable_def
 906 {
 907     struct list entry;
 908     struct source_location loc;
 909
 910     char *name;
 911     unsigned int array_size;
 912     char *semantic;
 913     struct list *initializer;
 914 };
 915
 916 enum parse_unary_op
 917 {
 918     UNARY_OP_PLUS,
 919     UNARY_OP_MINUS,
 920     UNARY_OP_LOGICNOT,
 921     UNARY_OP_BITNOT,
 922 };
 923
 924 enum parse_assign_op
 925 {
 926     ASSIGN_OP_ASSIGN,
 927     ASSIGN_OP_ADD,
 928     ASSIGN_OP_SUB,
 929     ASSIGN_OP_MUL,
 930     ASSIGN_OP_DIV,
 931     ASSIGN_OP_MOD,
 932     ASSIGN_OP_LSHIFT,
 933     ASSIGN_OP_RSHIFT,
 934     ASSIGN_OP_AND,
 935     ASSIGN_OP_OR,
 936     ASSIGN_OP_XOR,
 937 };
 938
 939 struct hlsl_parse_ctx
 940 {
 941     const char **source_files;
 942     unsigned int source_files_count;
 943     const char *source_file;
 944     unsigned int line_no;
 945     unsigned int column;
 946     enum parse_status status;
 947     struct compilation_messages messages;
 948
 949     struct hlsl_scope *cur_scope;
 950     struct hlsl_scope *globals;
 951     struct list scopes;
 952
 953     struct list types;
 954     struct list functions;
 955
 956     enum hlsl_matrix_majority matrix_majority;
 957 };
 958
 959 extern struct hlsl_parse_ctx hlsl_ctx DECLSPEC_HIDDEN;
 960
 961 enum hlsl_error_level
 962 {
 963     HLSL_LEVEL_ERROR = 0,
 964     HLSL_LEVEL_WARNING,
 965     HLSL_LEVEL_NOTE,
 966 };
 967
 968 void hlsl_message(const char *fmt, ...) PRINTF_ATTR(1,2) DECLSPEC_HIDDEN;
 969 void hlsl_report_message(const char *filename, DWORD line, DWORD column,
 970         enum hlsl_error_level level, const char *fmt, ...) PRINTF_ATTR(5,6) DECLSPEC_HIDDEN;
 971
 972 static inline struct hlsl_ir_var *var_from_node(const struct hlsl_ir_node *node)
 973 {
 974     assert(node->type == HLSL_IR_VAR);
 975     return CONTAINING_RECORD(node, struct hlsl_ir_var, node);
 976 }
 977
 978 static inline struct hlsl_ir_expr *expr_from_node(const struct hlsl_ir_node *node)
 979 {
 980     assert(node->type == HLSL_IR_EXPR);
 981     return CONTAINING_RECORD(node, struct hlsl_ir_expr, node);
 982 }
 983
 984 static inline struct hlsl_ir_deref *deref_from_node(const struct hlsl_ir_node *node)
 985 {
 986     assert(node->type == HLSL_IR_DEREF);
 987     return CONTAINING_RECORD(node, struct hlsl_ir_deref, node);
 988 }
 989
 990 static inline struct hlsl_ir_constant *constant_from_node(const struct hlsl_ir_node *node)
 991 {
 992     assert(node->type == HLSL_IR_CONSTANT);
 993     return CONTAINING_RECORD(node, struct hlsl_ir_constant, node);
 994 }
 995
 996 static inline struct hlsl_ir_assignment *assignment_from_node(const struct hlsl_ir_node *node)
 997 {
 998     assert(node->type == HLSL_IR_ASSIGNMENT);
 999     return CONTAINING_RECORD(node, struct hlsl_ir_assignment, node);
1000 }
1001
1002 static inline struct hlsl_ir_constructor *constructor_from_node(const struct hlsl_ir_node *node)
1003 {
1004     assert(node->type == HLSL_IR_CONSTRUCTOR);
1005     return CONTAINING_RECORD(node, struct hlsl_ir_constructor, node);
1006 }
1007
1008 BOOL add_declaration(struct hlsl_scope *scope, struct hlsl_ir_var *decl, BOOL local_var) DECLSPEC_HIDDEN;
1009 struct hlsl_ir_var *get_variable(struct hlsl_scope *scope, const char *name) DECLSPEC_HIDDEN;
1010 void free_declaration(struct hlsl_ir_var *decl) DECLSPEC_HIDDEN;
1011 BOOL add_func_parameter(struct list *list, struct parse_parameter *param,
1012         const struct source_location *loc) DECLSPEC_HIDDEN;
1013 struct hlsl_type *new_hlsl_type(const char *name, enum hlsl_type_class type_class,
1014         enum hlsl_base_type base_type, unsigned dimx, unsigned dimy) DECLSPEC_HIDDEN;
1015 struct hlsl_type *new_array_type(struct hlsl_type *basic_type, unsigned int array_size) DECLSPEC_HIDDEN;
1016 struct hlsl_type *get_type(struct hlsl_scope *scope, const char *name, BOOL recursive) DECLSPEC_HIDDEN;
1017 BOOL find_function(const char *name) DECLSPEC_HIDDEN;
1018 unsigned int components_count_type(struct hlsl_type *type) DECLSPEC_HIDDEN;
1019 struct hlsl_ir_expr *new_expr(enum hlsl_ir_expr_op op, struct hlsl_ir_node **operands,
1020         struct source_location *loc) DECLSPEC_HIDDEN;
1021 struct hlsl_ir_expr *hlsl_mul(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1022         struct source_location *loc) DECLSPEC_HIDDEN;
1023 struct hlsl_ir_expr *hlsl_div(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1024         struct source_location *loc) DECLSPEC_HIDDEN;
1025 struct hlsl_ir_expr *hlsl_mod(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1026         struct source_location *loc) DECLSPEC_HIDDEN;
1027 struct hlsl_ir_expr *hlsl_add(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1028         struct source_location *loc) DECLSPEC_HIDDEN;
1029 struct hlsl_ir_expr *hlsl_sub(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1030         struct source_location *loc) DECLSPEC_HIDDEN;
1031 struct hlsl_ir_expr *hlsl_lt(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1032         struct source_location *loc) DECLSPEC_HIDDEN;
1033 struct hlsl_ir_expr *hlsl_gt(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1034         struct source_location *loc) DECLSPEC_HIDDEN;
1035 struct hlsl_ir_expr *hlsl_le(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1036         struct source_location *loc) DECLSPEC_HIDDEN;
1037 struct hlsl_ir_expr *hlsl_ge(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1038         struct source_location *loc) DECLSPEC_HIDDEN;
1039 struct hlsl_ir_expr *hlsl_eq(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1040         struct source_location *loc) DECLSPEC_HIDDEN;
1041 struct hlsl_ir_expr *hlsl_ne(struct hlsl_ir_node *op1, struct hlsl_ir_node *op2,
1042         struct source_location *loc) DECLSPEC_HIDDEN;
1043 struct hlsl_ir_deref *new_var_deref(struct hlsl_ir_var *var) DECLSPEC_HIDDEN;
1044 struct hlsl_ir_node *make_assignment(struct hlsl_ir_node *left, enum parse_assign_op assign_op,
1045         DWORD writemask, struct hlsl_ir_node *right) DECLSPEC_HIDDEN;
1046 void push_scope(struct hlsl_parse_ctx *ctx) DECLSPEC_HIDDEN;
1047 BOOL pop_scope(struct hlsl_parse_ctx *ctx) DECLSPEC_HIDDEN;
1048 struct hlsl_ir_function_decl *new_func_decl(const char *name, struct hlsl_type *return_type, struct list *parameters) DECLSPEC_HIDDEN;
1049 struct bwriter_shader *parse_hlsl_shader(const char *text, enum shader_type type, DWORD major, DWORD minor,
1050         const char *entrypoint, char **messages) DECLSPEC_HIDDEN;
1051
1052 const char *debug_hlsl_type(const struct hlsl_type *type) DECLSPEC_HIDDEN;
1053 const char *debug_modifiers(DWORD modifiers) DECLSPEC_HIDDEN;
1054 void debug_dump_ir_function(const struct hlsl_ir_function_decl *func) DECLSPEC_HIDDEN;
1055
1056 void free_hlsl_type(struct hlsl_type *type) DECLSPEC_HIDDEN;
1057 void free_instr(struct hlsl_ir_node *node) DECLSPEC_HIDDEN;
1058 void free_instr_list(struct list *list) DECLSPEC_HIDDEN;
1059 void free_function(struct hlsl_ir_function_decl *func) DECLSPEC_HIDDEN;
1060
1061
1062 #define MAKE_TAG(ch0, ch1, ch2, ch3) \
1063     ((DWORD)(ch0) | ((DWORD)(ch1) << 8) | \
1064     ((DWORD)(ch2) << 16) | ((DWORD)(ch3) << 24 ))
1065 #define TAG_Aon9 MAKE_TAG('A', 'o', 'n', '9')
1066 #define TAG_DXBC MAKE_TAG('D', 'X', 'B', 'C')
1067 #define TAG_ISGN MAKE_TAG('I', 'S', 'G', 'N')
1068 #define TAG_OSGN MAKE_TAG('O', 'S', 'G', 'N')
1069 #define TAG_OSG5 MAKE_TAG('O', 'S', 'G', '5')
1070 #define TAG_PCSG MAKE_TAG('P', 'C', 'S', 'G')
1071 #define TAG_RDEF MAKE_TAG('R', 'D', 'E', 'F')
1072 #define TAG_SDBG MAKE_TAG('S', 'D', 'B', 'G')
1073 #define TAG_SHDR MAKE_TAG('S', 'H', 'D', 'R')
1074 #define TAG_SHEX MAKE_TAG('S', 'H', 'E', 'X')
1075 #define TAG_STAT MAKE_TAG('S', 'T', 'A', 'T')
1076 #define TAG_XNAP MAKE_TAG('X', 'N', 'A', 'P')
1077 #define TAG_XNAS MAKE_TAG('X', 'N', 'A', 'S')
1078
1079 struct dxbc_section
1080 {
1081     DWORD tag;
1082     const char *data;
1083     DWORD data_size;
1084 };
1085
1086 struct dxbc
1087 {
1088     UINT size;
1089     UINT count;
1090     struct dxbc_section *sections;
1091 };
1092
1093 HRESULT dxbc_write_blob(struct dxbc *dxbc, ID3DBlob **blob) DECLSPEC_HIDDEN;
1094 void dxbc_destroy(struct dxbc *dxbc) DECLSPEC_HIDDEN;
1095 HRESULT dxbc_parse(const char *data, SIZE_T data_size, struct dxbc *dxbc) DECLSPEC_HIDDEN;
1096 HRESULT dxbc_add_section(struct dxbc *dxbc, DWORD tag, const char *data, DWORD data_size) DECLSPEC_HIDDEN;
1097 HRESULT dxbc_init(struct dxbc *dxbc, DWORD count) DECLSPEC_HIDDEN;
1098
1099 static inline void read_dword(const char **ptr, DWORD *d)
1100 {
1101     memcpy(d, *ptr, sizeof(*d));
1102     *ptr += sizeof(*d);
1103 }
1104
1105 static inline void write_dword(char **ptr, DWORD d)
1106 {
1107     memcpy(*ptr, &d, sizeof(d));
1108     *ptr += sizeof(d);
1109 }
1110
1111 void skip_dword_unknown(const char **ptr, unsigned int count) DECLSPEC_HIDDEN;
1112
1113 #endif /* __WINE_D3DCOMPILER_PRIVATE_H */