dlls/d3dx9_36/d3dx9_36_private.h

   1 /*
   2  * Copyright (C) 2002 Raphael Junqueira
   3  * Copyright (C) 2008 David Adam
   4  * Copyright (C) 2008 Tony Wasserka
   5  * Copyright (C) 2008 Stefan Dösinger
   6  * Copyright (C) 2009 Matteo Bruni
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  *
  22  */
  23
  24 #ifndef __WINE_D3DX9_36_PRIVATE_H
  25 #define __WINE_D3DX9_36_PRIVATE_H
  26
  27 #include <stdarg.h>
  28
  29 #define COBJMACROS
  30 #include "winbase.h"
  31 #include "wingdi.h"
  32 #include "winuser.h"
  33 #include "d3dx9.h"
  34
  35 /* for internal use */
  36 typedef enum _FormatType {
  37     FORMAT_ARGB,   /* unsigned */
  38     FORMAT_UNKNOWN
  39 } FormatType;
  40
  41 typedef struct _PixelFormatDesc {
  42     D3DFORMAT format;
  43     BYTE bits[4];
  44     BYTE shift[4];
  45     UINT bytes_per_pixel;
  46     FormatType type;
  47 } PixelFormatDesc;
  48
  49 HRESULT map_view_of_file(LPCWSTR filename, LPVOID *buffer, DWORD *length);
  50 HRESULT load_resource_into_memory(HMODULE module, HRSRC resinfo, LPVOID *buffer, DWORD *length);
  51
  52 const PixelFormatDesc *get_format_info(D3DFORMAT format);
  53
  54
  55 extern const ID3DXBufferVtbl D3DXBuffer_Vtbl;
  56
  57 /* ID3DXBUFFER */
  58 typedef struct ID3DXBufferImpl
  59 {
  60     /* IUnknown fields */
  61     const ID3DXBufferVtbl *lpVtbl;
  62     LONG           ref;
  63
  64     /* ID3DXBuffer fields */
  65     DWORD         *buffer;
  66     DWORD          bufferSize;
  67 } ID3DXBufferImpl;
  68
  69
  70 /* ID3DXFont */
  71 typedef struct ID3DXFontImpl
  72 {
  73     /* IUnknown fields */
  74     const ID3DXFontVtbl *lpVtbl;
  75     LONG ref;
  76
  77     /* ID3DXFont fields */
  78     IDirect3DDevice9 *device;
  79     D3DXFONT_DESCW desc;
  80
  81     HDC hdc;
  82     HFONT hfont;
  83 } ID3DXFontImpl;
  84
  85 /* ID3DXMatrixStack */
  86 typedef struct ID3DXMatrixStackImpl
  87 {
  88   /* IUnknown fields */
  89   const ID3DXMatrixStackVtbl *lpVtbl;
  90   LONG                   ref;
  91
  92   /* ID3DXMatrixStack fields */
  93   unsigned int current;
  94   unsigned int stack_size;
  95   D3DXMATRIX *stack;
  96 } ID3DXMatrixStackImpl;
  97
  98 /*ID3DXSprite */
  99 typedef struct _SPRITE {
 100     LPDIRECT3DTEXTURE9 texture;
 101     UINT texw, texh;
 102     RECT rect;
 103     D3DXVECTOR3 center;
 104     D3DXVECTOR3 pos;
 105     D3DCOLOR color;
 106 } SPRITE;
 107
 108 typedef struct ID3DXSpriteImpl
 109 {
 110     /* IUnknown fields */
 111     const ID3DXSpriteVtbl *lpVtbl;
 112     LONG ref;
 113
 114     /* ID3DXSprite fields */
 115     IDirect3DDevice9 *device;
 116     IDirect3DVertexDeclaration9 *vdecl;
 117     IDirect3DStateBlock9 *stateblock;
 118     D3DXMATRIX transform;
 119     D3DXMATRIX view;
 120     DWORD flags;
 121     BOOL ready;
 122
 123     /* Store the relevant caps to prevent multiple GetDeviceCaps calls */
 124     DWORD texfilter_caps;
 125     DWORD maxanisotropy;
 126     DWORD alphacmp_caps;
 127
 128     SPRITE *sprites;
 129     int sprite_count;      /* number of sprites to be drawn */
 130     int allocated_sprites; /* number of (pre-)allocated sprites */
 131 } ID3DXSpriteImpl;
 132
 133 /* Shader assembler definitions */
 134 typedef enum _shader_type {
 135     ST_VERTEX,
 136     ST_PIXEL,
 137 } shader_type;
 138
 139 typedef enum BWRITER_COMPARISON_TYPE {
 140     BWRITER_COMPARISON_NONE = 0,
 141 } BWRITER_COMPARISON_TYPE;
 142
 143 struct shader_reg {
 144     DWORD                   type;
 145     DWORD                   regnum;
 146     struct shader_reg       *rel_reg;
 147     DWORD                   srcmod;
 148     union {
 149         DWORD               swizzle;
 150         DWORD               writemask;
 151     };
 152 };
 153
 154 struct instruction {
 155     DWORD                   opcode;
 156     DWORD                   dstmod;
 157     DWORD                   shift;
 158     BWRITER_COMPARISON_TYPE comptype;
 159     BOOL                    has_dst;
 160     struct shader_reg       dst;
 161     struct shader_reg       *src;
 162     unsigned int            num_srcs; /* For freeing the rel_regs */
 163     BOOL                    has_predicate;
 164     struct shader_reg       predicate;
 165 };
 166
 167 struct declaration {
 168     DWORD                   usage, usage_idx;
 169     DWORD                   regnum;
 170     DWORD                   writemask;
 171 };
 172
 173 struct samplerdecl {
 174     DWORD                   type;
 175     DWORD                   regnum;
 176     unsigned int            line_no; /* for error messages */
 177 };
 178
 179 #define INSTRARRAY_INITIAL_SIZE 8
 180 struct bwriter_shader {
 181     shader_type             type;
 182
 183     /* Shader version selected */
 184     DWORD                   version;
 185
 186     /* Local constants. Every constant that is not defined below is loaded from
 187      * the global constant set at shader runtime
 188      */
 189     struct constant         **constF;
 190     struct constant         **constI;
 191     struct constant         **constB;
 192     unsigned int            num_cf, num_ci, num_cb;
 193
 194     /* Declared input and output varyings */
 195     struct declaration      *inputs, *outputs;
 196     unsigned int            num_inputs, num_outputs;
 197     struct samplerdecl      *samplers;
 198     unsigned int            num_samplers;
 199
 200     /* Are special pixel shader 3.0 registers declared? */
 201     BOOL                    vPos, vFace;
 202
 203     /* Array of shader instructions - The shader code itself */
 204     struct instruction      **instr;
 205     unsigned int            num_instrs, instr_alloc_size;
 206 };
 207
 208 static inline LPVOID asm_alloc(SIZE_T size) {
 209     return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
 210 }
 211
 212 static inline LPVOID asm_realloc(LPVOID ptr, SIZE_T size) {
 213     return HeapReAlloc(GetProcessHeap(), 0, ptr, size);
 214 }
 215
 216 static inline BOOL asm_free(LPVOID ptr) {
 217     return HeapFree(GetProcessHeap(), 0, ptr);
 218 }
 219
 220 struct asm_parser;
 221
 222 /* This structure is only used in asmshader.y, but since the .l file accesses the semantic types
 223  * too it has to know it as well
 224  */
 225 struct rel_reg {
 226     BOOL            has_rel_reg;
 227     DWORD           type;
 228     DWORD           additional_offset;
 229     DWORD           rel_regnum;
 230     DWORD           swizzle;
 231 };
 232
 233 #define MAX_SRC_REGS 4
 234
 235 struct src_regs {
 236     struct shader_reg reg[MAX_SRC_REGS];
 237     unsigned int      count;
 238 };
 239
 240 struct asmparser_backend {
 241     void (*dstreg)(struct asm_parser *This, struct instruction *instr,
 242                    const struct shader_reg *dst);
 243     void (*srcreg)(struct asm_parser *This, struct instruction *instr, int num,
 244                    const struct shader_reg *src);
 245
 246     void (*predicate)(struct asm_parser *This,
 247                       const struct shader_reg *predicate);
 248     void (*coissue)(struct asm_parser *This);
 249
 250     void (*end)(struct asm_parser *This);
 251
 252     void (*instr)(struct asm_parser *This, DWORD opcode, DWORD mod, DWORD shift,
 253                   BWRITER_COMPARISON_TYPE comp, const struct shader_reg *dst,
 254                   const struct src_regs *srcs, int expectednsrcs);
 255 };
 256
 257 struct instruction *alloc_instr(unsigned int srcs);
 258 BOOL add_instruction(struct bwriter_shader *shader, struct instruction *instr);
 259
 260 #define MESSAGEBUFFER_INITIAL_SIZE 256
 261
 262 struct asm_parser {
 263     /* The function table of the parser implementation */
 264     const struct asmparser_backend *funcs;
 265
 266     /* Private data follows */
 267     struct bwriter_shader *shader;
 268     unsigned int m3x3pad_count;
 269
 270     enum parse_status {
 271         PARSE_SUCCESS = 0,
 272         PARSE_WARN = 1,
 273         PARSE_ERR = 2
 274     } status;
 275     char *messages;
 276     unsigned int messagesize;
 277     unsigned int messagecapacity;
 278     unsigned int line_no;
 279 };
 280
 281 extern struct asm_parser asm_ctx;
 282
 283 void create_vs30_parser(struct asm_parser *ret);
 284
 285 struct bwriter_shader *parse_asm_shader(char **messages);
 286
 287 #ifdef __GNUC__
 288 #define PRINTF_ATTR(fmt,args) __attribute__((format (printf,fmt,args)))
 289 #else
 290 #define PRINTF_ATTR(fmt,args)
 291 #endif
 292
 293 void asmparser_message(struct asm_parser *ctx, const char *fmt, ...) PRINTF_ATTR(2,3);
 294 void set_parse_status(struct asm_parser *ctx, enum parse_status status);
 295
 296 /* A reasonable value as initial size */
 297 #define BYTECODEBUFFER_INITIAL_SIZE 32
 298 struct bytecode_buffer {
 299     DWORD *data;
 300     DWORD size;
 301     DWORD alloc_size;
 302     /* For tracking rare out of memory situations without passing
 303      * return values around everywhere
 304      */
 305     HRESULT state;
 306 };
 307
 308 struct bc_writer; /* Predeclaration for use in vtable parameters */
 309
 310 typedef void (*instr_writer)(struct bc_writer *This,
 311                              const struct instruction *instr,
 312                              struct bytecode_buffer *buffer);
 313
 314 struct bytecode_backend {
 315     void (*header)(struct bc_writer *This, const struct bwriter_shader *shader,
 316                    struct bytecode_buffer *buffer);
 317     void (*end)(struct bc_writer *This, const struct bwriter_shader *shader,
 318                 struct bytecode_buffer *buffer);
 319     void (*srcreg)(struct bc_writer *This, const struct shader_reg *reg,
 320                    struct bytecode_buffer *buffer);
 321     void (*dstreg)(struct bc_writer *This, const struct shader_reg *reg,
 322                    struct bytecode_buffer *buffer, DWORD shift, DWORD mod);
 323     void (*opcode)(struct bc_writer *This, const struct instruction *instr,
 324                    DWORD token, struct bytecode_buffer *buffer);
 325
 326     const struct instr_handler_table {
 327         DWORD opcode;
 328         instr_writer func;
 329     } *instructions;
 330 };
 331
 332 /* Bytecode writing stuff */
 333 struct bc_writer {
 334     const struct bytecode_backend *funcs;
 335
 336     /* Avoid result checking */
 337     HRESULT                       state;
 338
 339     DWORD                         version;
 340 };
 341
 342 /* Debug utility routines */
 343 const char *debug_print_dstreg(const struct shader_reg *reg, shader_type st);
 344 const char *debug_print_srcreg(const struct shader_reg *reg, shader_type st);
 345 const char *debug_print_opcode(DWORD opcode);
 346
 347 /* Utilities for internal->d3d constant mapping */
 348 DWORD d3d9_swizzle(DWORD bwriter_swizzle);
 349 DWORD d3d9_writemask(DWORD bwriter_writemask);
 350 DWORD d3d9_register(DWORD bwriter_register);
 351 DWORD d3d9_opcode(DWORD bwriter_opcode);
 352
 353 /*
 354   Enumerations and defines used in the bytecode writer
 355   intermediate representation
 356 */
 357 typedef enum _BWRITERSHADER_INSTRUCTION_OPCODE_TYPE {
 358     BWRITERSIO_MOV = 1,
 359
 360     BWRITERSIO_COMMENT = 0xfffe,
 361     BWRITERSIO_END = 0Xffff,
 362 } BWRITERSHADER_INSTRUCTION_OPCODE_TYPE;
 363
 364 typedef enum _BWRITERSHADER_PARAM_REGISTER_TYPE {
 365     BWRITERSPR_TEMP = 0,
 366     BWRITERSPR_CONST = 2,
 367 } BWRITERSHADER_PARAM_REGISTER_TYPE;
 368
 369 #define BWRITERSP_WRITEMASK_0   0x1 /* .x r */
 370 #define BWRITERSP_WRITEMASK_1   0x2 /* .y g */
 371 #define BWRITERSP_WRITEMASK_2   0x4 /* .z b */
 372 #define BWRITERSP_WRITEMASK_3   0x8 /* .w a */
 373 #define BWRITERSP_WRITEMASK_ALL 0xf /* all */
 374
 375 typedef enum _BWRITERSHADER_PARAM_SRCMOD_TYPE {
 376     BWRITERSPSM_NONE = 0,
 377 } BWRITERSHADER_PARAM_SRCMOD_TYPE;
 378
 379 #define BWRITER_SM1_VS  0xfffe
 380 #define BWRITER_SM1_PS  0xffff
 381
 382 #define BWRITERPS_VERSION(major, minor) ((BWRITER_SM1_PS << 16) | ((major) << 8) | (minor))
 383 #define BWRITERVS_VERSION(major, minor) ((BWRITER_SM1_VS << 16) | ((major) << 8) | (minor))
 384
 385 #define BWRITERVS_SWIZZLE_SHIFT      16
 386 #define BWRITERVS_SWIZZLE_MASK       (0xFF << BWRITERVS_SWIZZLE_SHIFT)
 387
 388 #define BWRITERVS_X_X       (0 << BWRITERVS_SWIZZLE_SHIFT)
 389 #define BWRITERVS_X_Y       (1 << BWRITERVS_SWIZZLE_SHIFT)
 390 #define BWRITERVS_X_Z       (2 << BWRITERVS_SWIZZLE_SHIFT)
 391 #define BWRITERVS_X_W       (3 << BWRITERVS_SWIZZLE_SHIFT)
 392
 393 #define BWRITERVS_Y_X       (0 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 394 #define BWRITERVS_Y_Y       (1 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 395 #define BWRITERVS_Y_Z       (2 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 396 #define BWRITERVS_Y_W       (3 << (BWRITERVS_SWIZZLE_SHIFT + 2))
 397
 398 #define BWRITERVS_Z_X       (0 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 399 #define BWRITERVS_Z_Y       (1 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 400 #define BWRITERVS_Z_Z       (2 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 401 #define BWRITERVS_Z_W       (3 << (BWRITERVS_SWIZZLE_SHIFT + 4))
 402
 403 #define BWRITERVS_W_X       (0 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 404 #define BWRITERVS_W_Y       (1 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 405 #define BWRITERVS_W_Z       (2 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 406 #define BWRITERVS_W_W       (3 << (BWRITERVS_SWIZZLE_SHIFT + 6))
 407
 408 #define BWRITERVS_NOSWIZZLE (BWRITERVS_X_X | BWRITERVS_Y_Y | BWRITERVS_Z_Z | BWRITERVS_W_W)
 409
 410 struct bwriter_shader *SlAssembleShader(const char *text, char **messages);
 411 DWORD SlWriteBytecode(const struct bwriter_shader *shader, int dxversion, DWORD **result);
 412 void SlDeleteShader(struct bwriter_shader *shader);
 413
 414 #endif /* __WINE_D3DX9_36_PRIVATE_H */