dll/directx/wine/d3dcompiler_43/compiler.c

   1 /*
   2  * Copyright 2009 Matteo Bruni
   3  * Copyright 2010 Matteo Bruni for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "d3dcompiler_private.h"
  21 #include "wine/unicode.h"
  22 #include "wine/wpp.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d3dcompiler);
  25
  26 #define D3DXERR_INVALIDDATA                      0x88760b59
  27
  28 #define BUFFER_INITIAL_CAPACITY 256
  29
  30 struct mem_file_desc
  31 {
  32     const char *buffer;
  33     unsigned int size;
  34     unsigned int pos;
  35 };
  36
  37 static struct mem_file_desc current_shader;
  38 static ID3DInclude *current_include;
  39 static const char *initial_filename;
  40
  41 #define INCLUDES_INITIAL_CAPACITY 4
  42
  43 struct loaded_include
  44 {
  45     const char *name;
  46     const char *data;
  47 };
  48
  49 static struct loaded_include *includes;
  50 static int includes_capacity, includes_size;
  51 static const char *parent_include;
  52
  53 static char *wpp_output;
  54 static int wpp_output_capacity, wpp_output_size;
  55
  56 static char *wpp_messages;
  57 static int wpp_messages_capacity, wpp_messages_size;
  58
  59 /* Mutex used to guarantee a single invocation
  60    of the D3DXAssembleShader function (or its variants) at a time.
  61    This is needed as wpp isn't thread-safe */
  62 static CRITICAL_SECTION wpp_mutex;
  63 static CRITICAL_SECTION_DEBUG wpp_mutex_debug =
  64 {
  65     0, 0, &wpp_mutex,
  66     { &wpp_mutex_debug.ProcessLocksList,
  67       &wpp_mutex_debug.ProcessLocksList },
  68       0, 0, { (DWORD_PTR)(__FILE__ ": wpp_mutex") }
  69 };
  70 static CRITICAL_SECTION wpp_mutex = { &wpp_mutex_debug, -1, 0, 0, 0, 0 };
  71
  72 /* Preprocessor error reporting functions */
  73 static void wpp_write_message(const char *fmt, va_list args)
  74 {
  75     char* newbuffer;
  76     int rc, newsize;
  77
  78     if(wpp_messages_capacity == 0)
  79     {
  80         wpp_messages = HeapAlloc(GetProcessHeap(), 0, MESSAGEBUFFER_INITIAL_SIZE);
  81         if(wpp_messages == NULL)
  82             return;
  83
  84         wpp_messages_capacity = MESSAGEBUFFER_INITIAL_SIZE;
  85     }
  86
  87     while(1)
  88     {
  89         rc = vsnprintf(wpp_messages + wpp_messages_size,
  90                        wpp_messages_capacity - wpp_messages_size, fmt, args);
  91
  92         if (rc < 0 ||                                           /* C89 */
  93             rc >= wpp_messages_capacity - wpp_messages_size) {  /* C99 */
  94             /* Resize the buffer */
  95             newsize = wpp_messages_capacity * 2;
  96             newbuffer = HeapReAlloc(GetProcessHeap(), 0, wpp_messages, newsize);
  97             if(newbuffer == NULL)
  98             {
  99                 ERR("Error reallocating memory for parser messages\n");
 100                 return;
 101             }
 102             wpp_messages = newbuffer;
 103             wpp_messages_capacity = newsize;
 104         }
 105         else
 106         {
 107             wpp_messages_size += rc;
 108             return;
 109         }
 110     }
 111 }
 112
 113 static void PRINTF_ATTR(1,2) wpp_write_message_var(const char *fmt, ...)
 114 {
 115     va_list args;
 116
 117     va_start(args, fmt);
 118     wpp_write_message(fmt, args);
 119     va_end(args);
 120 }
 121
 122 static void wpp_error(const char *file, int line, int col, const char *_near,
 123                       const char *msg, va_list ap)
 124 {
 125     wpp_write_message_var("%s:%d:%d: %s: ", file ? file : "'main file'",
 126                           line, col, "Error");
 127     wpp_write_message(msg, ap);
 128     wpp_write_message_var("\n");
 129 }
 130
 131 static void wpp_warning(const char *file, int line, int col, const char *_near,
 132                         const char *msg, va_list ap)
 133 {
 134     wpp_write_message_var("%s:%d:%d: %s: ", file ? file : "'main file'",
 135                           line, col, "Warning");
 136     wpp_write_message(msg, ap);
 137     wpp_write_message_var("\n");
 138 }
 139
 140 static char *wpp_lookup_mem(const char *filename, int type, const char *parent_name,
 141                             char **include_path, int include_path_count)
 142 {
 143     /* Here we return always ok. We will maybe fail on the next wpp_open_mem */
 144     char *path;
 145     int i;
 146
 147     parent_include = NULL;
 148     if(parent_name[0] != '\0')
 149     {
 150         for(i = 0; i < includes_size; i++)
 151         {
 152             if(!strcmp(parent_name, includes[i].name))
 153             {
 154                 parent_include = includes[i].data;
 155                 break;
 156             }
 157         }
 158         if(parent_include == NULL)
 159         {
 160             ERR("Parent include file missing\n");
 161             return NULL;
 162         }
 163     }
 164
 165     path = malloc(strlen(filename) + 1);
 166     if(path)
 167         memcpy(path, filename, strlen(filename) + 1);
 168     return path;
 169 }
 170
 171 static void *wpp_open_mem(const char *filename, int type)
 172 {
 173     struct mem_file_desc *desc;
 174     HRESULT hr;
 175
 176     if(!strcmp(filename, initial_filename))
 177     {
 178         current_shader.pos = 0;
 179         return &current_shader;
 180     }
 181
 182     if(current_include == NULL) return NULL;
 183     desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*desc));
 184     if(!desc)
 185         return NULL;
 186
 187     hr = ID3DInclude_Open(current_include,
 188                           type ? D3D_INCLUDE_LOCAL : D3D_INCLUDE_SYSTEM,
 189                           filename, parent_include, (LPCVOID *)&desc->buffer,
 190                           &desc->size);
 191     if(FAILED(hr))
 192     {
 193         HeapFree(GetProcessHeap(), 0, desc);
 194         return NULL;
 195     }
 196
 197     if(includes_capacity == includes_size)
 198     {
 199         if(includes_capacity == 0)
 200         {
 201             includes = HeapAlloc(GetProcessHeap(), 0, INCLUDES_INITIAL_CAPACITY * sizeof(*includes));
 202             if(includes == NULL)
 203             {
 204                 ERR("Error allocating memory for the loaded includes structure\n");
 205                 goto error;
 206             }
 207             includes_capacity = INCLUDES_INITIAL_CAPACITY * sizeof(*includes);
 208         }
 209         else
 210         {
 211             int newcapacity = includes_capacity * 2;
 212             struct loaded_include *newincludes =
 213                 HeapReAlloc(GetProcessHeap(), 0, includes, newcapacity);
 214             if(newincludes == NULL)
 215             {
 216                 ERR("Error reallocating memory for the loaded includes structure\n");
 217                 goto error;
 218             }
 219             includes = newincludes;
 220             includes_capacity = newcapacity;
 221         }
 222     }
 223     includes[includes_size].name = filename;
 224     includes[includes_size++].data = desc->buffer;
 225
 226     desc->pos = 0;
 227     return desc;
 228
 229 error:
 230     ID3DInclude_Close(current_include, desc->buffer);
 231     HeapFree(GetProcessHeap(), 0, desc);
 232     return NULL;
 233 }
 234
 235 static void wpp_close_mem(void *file)
 236 {
 237     struct mem_file_desc *desc = file;
 238
 239     if(desc != &current_shader)
 240     {
 241         if(current_include)
 242             ID3DInclude_Close(current_include, desc->buffer);
 243         else
 244             ERR("current_include == NULL, desc == %p, buffer = %s\n",
 245                 desc, desc->buffer);
 246
 247         HeapFree(GetProcessHeap(), 0, desc);
 248     }
 249 }
 250
 251 static int wpp_read_mem(void *file, char *buffer, unsigned int len)
 252 {
 253     struct mem_file_desc *desc = file;
 254
 255     len = min(len, desc->size - desc->pos);
 256     memcpy(buffer, desc->buffer + desc->pos, len);
 257     desc->pos += len;
 258     return len;
 259 }
 260
 261 static void wpp_write_mem(const char *buffer, unsigned int len)
 262 {
 263     char *new_wpp_output;
 264
 265     if(wpp_output_capacity == 0)
 266     {
 267         wpp_output = HeapAlloc(GetProcessHeap(), 0, BUFFER_INITIAL_CAPACITY);
 268         if(!wpp_output)
 269             return;
 270
 271         wpp_output_capacity = BUFFER_INITIAL_CAPACITY;
 272     }
 273     if(len > wpp_output_capacity - wpp_output_size)
 274     {
 275         while(len > wpp_output_capacity - wpp_output_size)
 276         {
 277             wpp_output_capacity *= 2;
 278         }
 279         new_wpp_output = HeapReAlloc(GetProcessHeap(), 0, wpp_output,
 280                                      wpp_output_capacity);
 281         if(!new_wpp_output)
 282         {
 283             ERR("Error allocating memory\n");
 284             return;
 285         }
 286         wpp_output = new_wpp_output;
 287     }
 288     memcpy(wpp_output + wpp_output_size, buffer, len);
 289     wpp_output_size += len;
 290 }
 291
 292 static int wpp_close_output(void)
 293 {
 294     char *new_wpp_output = HeapReAlloc(GetProcessHeap(), 0, wpp_output,
 295                                        wpp_output_size + 1);
 296     if(!new_wpp_output) return 0;
 297     wpp_output = new_wpp_output;
 298     wpp_output[wpp_output_size]='\0';
 299     wpp_output_size++;
 300     return 1;
 301 }
 302
 303 static HRESULT preprocess_shader(const void *data, SIZE_T data_size, const char *filename,
 304         const D3D_SHADER_MACRO *defines, ID3DInclude *include, ID3DBlob **error_messages)
 305 {
 306     int ret;
 307     HRESULT hr = S_OK;
 308     const D3D_SHADER_MACRO *def = defines;
 309
 310     static const struct wpp_callbacks wpp_callbacks =
 311     {
 312         wpp_lookup_mem,
 313         wpp_open_mem,
 314         wpp_close_mem,
 315         wpp_read_mem,
 316         wpp_write_mem,
 317         wpp_error,
 318         wpp_warning,
 319     };
 320
 321     if (def != NULL)
 322     {
 323         while (def->Name != NULL)
 324         {
 325             wpp_add_define(def->Name, def->Definition);
 326             def++;
 327         }
 328     }
 329     current_include = include;
 330     includes_size = 0;
 331
 332     wpp_output_size = wpp_output_capacity = 0;
 333     wpp_output = NULL;
 334
 335     wpp_set_callbacks(&wpp_callbacks);
 336     wpp_messages_size = wpp_messages_capacity = 0;
 337     wpp_messages = NULL;
 338     current_shader.buffer = data;
 339     current_shader.size = data_size;
 340     initial_filename = filename ? filename : "";
 341
 342     ret = wpp_parse(initial_filename, NULL);
 343     if (!wpp_close_output())
 344         ret = 1;
 345     if (ret)
 346     {
 347         TRACE("Error during shader preprocessing\n");
 348         if (wpp_messages)
 349         {
 350             int size;
 351             ID3DBlob *buffer;
 352
 353             TRACE("Preprocessor messages:\n%s\n", debugstr_a(wpp_messages));
 354
 355             if (error_messages)
 356             {
 357                 size = strlen(wpp_messages) + 1;
 358                 hr = D3DCreateBlob(size, &buffer);
 359                 if (FAILED(hr))
 360                     goto cleanup;
 361                 CopyMemory(ID3D10Blob_GetBufferPointer(buffer), wpp_messages, size);
 362                 *error_messages = buffer;
 363             }
 364         }
 365         if (data)
 366             TRACE("Shader source:\n%s\n", debugstr_an(data, data_size));
 367         hr = E_FAIL;
 368     }
 369
 370 cleanup:
 371     /* Remove the previously added defines */
 372     if (defines != NULL)
 373     {
 374         while (defines->Name != NULL)
 375         {
 376             wpp_del_define(defines->Name);
 377             defines++;
 378         }
 379     }
 380     HeapFree(GetProcessHeap(), 0, wpp_messages);
 381     return hr;
 382 }
 383
 384 static HRESULT assemble_shader(const char *preproc_shader,
 385         ID3DBlob **shader_blob, ID3DBlob **error_messages)
 386 {
 387     struct bwriter_shader *shader;
 388     char *messages = NULL;
 389     HRESULT hr;
 390     DWORD *res, size;
 391     ID3DBlob *buffer;
 392     char *pos;
 393
 394     shader = SlAssembleShader(preproc_shader, &messages);
 395
 396     if (messages)
 397     {
 398         TRACE("Assembler messages:\n");
 399         TRACE("%s\n", debugstr_a(messages));
 400
 401         TRACE("Shader source:\n");
 402         TRACE("%s\n", debugstr_a(preproc_shader));
 403
 404         if (error_messages)
 405         {
 406             const char *preproc_messages = *error_messages ? ID3D10Blob_GetBufferPointer(*error_messages) : NULL;
 407
 408             size = strlen(messages) + (preproc_messages ? strlen(preproc_messages) : 0) + 1;
 409             hr = D3DCreateBlob(size, &buffer);
 410             if (FAILED(hr))
 411             {
 412                 HeapFree(GetProcessHeap(), 0, messages);
 413                 if (shader) SlDeleteShader(shader);
 414                 return hr;
 415             }
 416             pos = ID3D10Blob_GetBufferPointer(buffer);
 417             if (preproc_messages)
 418             {
 419                 CopyMemory(pos, preproc_messages, strlen(preproc_messages) + 1);
 420                 pos += strlen(preproc_messages);
 421             }
 422             CopyMemory(pos, messages, strlen(messages) + 1);
 423
 424             if (*error_messages) ID3D10Blob_Release(*error_messages);
 425             *error_messages = buffer;
 426         }
 427         HeapFree(GetProcessHeap(), 0, messages);
 428     }
 429
 430     if (shader == NULL)
 431     {
 432         ERR("Asm reading failed\n");
 433         return D3DXERR_INVALIDDATA;
 434     }
 435
 436     hr = SlWriteBytecode(shader, 9, &res, &size);
 437     SlDeleteShader(shader);
 438     if (FAILED(hr))
 439     {
 440         ERR("SlWriteBytecode failed with 0x%08x\n", hr);
 441         return D3DXERR_INVALIDDATA;
 442     }
 443
 444     if (shader_blob)
 445     {
 446         hr = D3DCreateBlob(size, &buffer);
 447         if (FAILED(hr))
 448         {
 449             HeapFree(GetProcessHeap(), 0, res);
 450             return hr;
 451         }
 452         CopyMemory(ID3D10Blob_GetBufferPointer(buffer), res, size);
 453         *shader_blob = buffer;
 454     }
 455
 456     HeapFree(GetProcessHeap(), 0, res);
 457
 458     return S_OK;
 459 }
 460
 461 HRESULT WINAPI D3DAssemble(const void *data, SIZE_T datasize, const char *filename,
 462         const D3D_SHADER_MACRO *defines, ID3DInclude *include, UINT flags,
 463         ID3DBlob **shader, ID3DBlob **error_messages)
 464 {
 465     HRESULT hr;
 466
 467     TRACE("data %p, datasize %lu, filename %s, defines %p, include %p, sflags %#x,\n"
 468             "shader %p, error_messages %p\n",
 469             data, datasize, debugstr_a(filename), defines, include, flags, shader, error_messages);
 470
 471     EnterCriticalSection(&wpp_mutex);
 472
 473     /* TODO: flags */
 474     if (flags) FIXME("flags %x\n", flags);
 475
 476     if (shader) *shader = NULL;
 477     if (error_messages) *error_messages = NULL;
 478
 479     hr = preprocess_shader(data, datasize, filename, defines, include, error_messages);
 480     if (SUCCEEDED(hr))
 481         hr = assemble_shader(wpp_output, shader, error_messages);
 482
 483     HeapFree(GetProcessHeap(), 0, wpp_output);
 484     LeaveCriticalSection(&wpp_mutex);
 485     return hr;
 486 }
 487
 488 struct target_info {
 489     const char *name;
 490     enum shader_type type;
 491     DWORD sm_major;
 492     DWORD sm_minor;
 493     DWORD level_major;
 494     DWORD level_minor;
 495     BOOL sw;
 496     BOOL support;
 497 };
 498
 499 /* Must be kept sorted for binary search */
 500 static const struct target_info targets_info[] = {
 501     { "cs_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 502     { "cs_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 503     { "cs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 504     { "ds_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 505     { "fx_2_0",            ST_UNKNOWN, 2, 0, 0, 0, FALSE, FALSE },
 506     { "fx_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 507     { "fx_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 508     { "fx_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 509     { "gs_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 510     { "gs_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 511     { "gs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 512     { "hs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 513     { "ps.1.0",            ST_PIXEL,   1, 0, 0, 0, FALSE, TRUE  },
 514     { "ps.1.1",            ST_PIXEL,   1, 1, 0, 0, FALSE, FALSE },
 515     { "ps.1.2",            ST_PIXEL,   1, 2, 0, 0, FALSE, FALSE },
 516     { "ps.1.3",            ST_PIXEL,   1, 3, 0, 0, FALSE, FALSE },
 517     { "ps.1.4",            ST_PIXEL,   1, 4, 0, 0, FALSE, FALSE },
 518     { "ps.2.0",            ST_PIXEL,   2, 0, 0, 0, FALSE, TRUE  },
 519     { "ps.2.a",            ST_PIXEL,   2, 1, 0, 0, FALSE, FALSE },
 520     { "ps.2.b",            ST_PIXEL,   2, 2, 0, 0, FALSE, FALSE },
 521     { "ps.2.sw",           ST_PIXEL,   2, 0, 0, 0, TRUE,  FALSE },
 522     { "ps.3.0",            ST_PIXEL,   3, 0, 0, 0, FALSE, TRUE  },
 523     { "ps_1_0",            ST_PIXEL,   1, 0, 0, 0, FALSE, TRUE  },
 524     { "ps_1_1",            ST_PIXEL,   1, 1, 0, 0, FALSE, FALSE },
 525     { "ps_1_2",            ST_PIXEL,   1, 2, 0, 0, FALSE, FALSE },
 526     { "ps_1_3",            ST_PIXEL,   1, 3, 0, 0, FALSE, FALSE },
 527     { "ps_1_4",            ST_PIXEL,   1, 4, 0, 0, FALSE, FALSE },
 528     { "ps_2_0",            ST_PIXEL,   2, 0, 0, 0, FALSE, TRUE  },
 529     { "ps_2_a",            ST_PIXEL,   2, 1, 0, 0, FALSE, FALSE },
 530     { "ps_2_b",            ST_PIXEL,   2, 2, 0, 0, FALSE, FALSE },
 531     { "ps_2_sw",           ST_PIXEL,   2, 0, 0, 0, TRUE,  FALSE },
 532     { "ps_3_0",            ST_PIXEL,   3, 0, 0, 0, FALSE, TRUE  },
 533     { "ps_3_sw",           ST_PIXEL,   3, 0, 0, 0, TRUE,  FALSE },
 534     { "ps_4_0",            ST_PIXEL,   4, 0, 0, 0, FALSE, TRUE  },
 535     { "ps_4_0_level_9_0",  ST_PIXEL,   4, 0, 9, 0, FALSE, FALSE },
 536     { "ps_4_0_level_9_1",  ST_PIXEL,   4, 0, 9, 1, FALSE, FALSE },
 537     { "ps_4_0_level_9_3",  ST_PIXEL,   4, 0, 9, 3, FALSE, FALSE },
 538     { "ps_4_1",            ST_PIXEL,   4, 1, 0, 0, FALSE, TRUE  },
 539     { "ps_5_0",            ST_PIXEL,   5, 0, 0, 0, FALSE, TRUE  },
 540     { "tx_1_0",            ST_UNKNOWN, 1, 0, 0, 0, FALSE, FALSE },
 541     { "vs.1.0",            ST_VERTEX,  1, 0, 0, 0, FALSE, TRUE  },
 542     { "vs.1.1",            ST_VERTEX,  1, 1, 0, 0, FALSE, TRUE  },
 543     { "vs.2.0",            ST_VERTEX,  2, 0, 0, 0, FALSE, TRUE  },
 544     { "vs.2.a",            ST_VERTEX,  2, 1, 0, 0, FALSE, FALSE },
 545     { "vs.2.sw",           ST_VERTEX,  2, 0, 0, 0, TRUE,  FALSE },
 546     { "vs.3.0",            ST_VERTEX,  3, 0, 0, 0, FALSE, TRUE  },
 547     { "vs.3.sw",           ST_VERTEX,  3, 0, 0, 0, TRUE,  FALSE },
 548     { "vs_1_0",            ST_VERTEX,  1, 0, 0, 0, FALSE, TRUE  },
 549     { "vs_1_1",            ST_VERTEX,  1, 1, 0, 0, FALSE, TRUE  },
 550     { "vs_2_0",            ST_VERTEX,  2, 0, 0, 0, FALSE, TRUE  },
 551     { "vs_2_a",            ST_VERTEX,  2, 1, 0, 0, FALSE, FALSE },
 552     { "vs_2_sw",           ST_VERTEX,  2, 0, 0, 0, TRUE,  FALSE },
 553     { "vs_3_0",            ST_VERTEX,  3, 0, 0, 0, FALSE, TRUE  },
 554     { "vs_3_sw",           ST_VERTEX,  3, 0, 0, 0, TRUE,  FALSE },
 555     { "vs_4_0",            ST_VERTEX,  4, 0, 0, 0, FALSE, TRUE  },
 556     { "vs_4_0_level_9_0",  ST_VERTEX,  4, 0, 9, 0, FALSE, FALSE },
 557     { "vs_4_0_level_9_1",  ST_VERTEX,  4, 0, 9, 1, FALSE, FALSE },
 558     { "vs_4_0_level_9_3",  ST_VERTEX,  4, 0, 9, 3, FALSE, FALSE },
 559     { "vs_4_1",            ST_VERTEX,  4, 1, 0, 0, FALSE, TRUE  },
 560     { "vs_5_0",            ST_VERTEX,  5, 0, 0, 0, FALSE, TRUE  },
 561 };
 562
 563 static const struct target_info * get_target_info(const char *target)
 564 {
 565     LONG min = 0;
 566     LONG max = sizeof(targets_info) / sizeof(targets_info[0]) - 1;
 567     LONG cur;
 568     int res;
 569
 570     while (min <= max)
 571     {
 572         cur = (min + max) / 2;
 573         res = strcmp(target, targets_info[cur].name);
 574         if (res < 0)
 575             max = cur - 1;
 576         else if (res > 0)
 577             min = cur + 1;
 578         else
 579             return &targets_info[cur];
 580     }
 581
 582     return NULL;
 583 }
 584
 585 static HRESULT compile_shader(const char *preproc_shader, const char *target, const char *entrypoint,
 586         ID3DBlob **shader_blob, ID3DBlob **error_messages)
 587 {
 588     struct bwriter_shader *shader;
 589     char *messages = NULL;
 590     HRESULT hr;
 591     DWORD *res, size, major, minor;
 592     ID3DBlob *buffer;
 593     char *pos;
 594     enum shader_type shader_type;
 595     const struct target_info *info;
 596
 597     TRACE("Preprocessed shader source: %s\n", debugstr_a(preproc_shader));
 598
 599     TRACE("Checking compilation target %s\n", debugstr_a(target));
 600     info = get_target_info(target);
 601     if (!info)
 602     {
 603         FIXME("Unknown compilation target %s\n", debugstr_a(target));
 604         return D3DERR_INVALIDCALL;
 605     }
 606     else
 607     {
 608         if (!info->support)
 609         {
 610             FIXME("Compilation target %s not yet supported\n", debugstr_a(target));
 611             return D3DERR_INVALIDCALL;
 612         }
 613         else
 614         {
 615             shader_type = info->type;
 616             major = info->sm_major;
 617             minor = info->sm_minor;
 618         }
 619     }
 620
 621     shader = parse_hlsl_shader(preproc_shader, shader_type, major, minor, entrypoint, &messages);
 622
 623     if (messages)
 624     {
 625         TRACE("Compiler messages:\n");
 626         TRACE("%s\n", debugstr_a(messages));
 627
 628         TRACE("Shader source:\n");
 629         TRACE("%s\n", debugstr_a(preproc_shader));
 630
 631         if (error_messages)
 632         {
 633             const char *preproc_messages = *error_messages ? ID3D10Blob_GetBufferPointer(*error_messages) : NULL;
 634
 635             size = strlen(messages) + (preproc_messages ? strlen(preproc_messages) : 0) + 1;
 636             hr = D3DCreateBlob(size, &buffer);
 637             if (FAILED(hr))
 638             {
 639                 HeapFree(GetProcessHeap(), 0, messages);
 640                 if (shader) SlDeleteShader(shader);
 641                 return hr;
 642             }
 643             pos = ID3D10Blob_GetBufferPointer(buffer);
 644             if (preproc_messages)
 645             {
 646                 memcpy(pos, preproc_messages, strlen(preproc_messages) + 1);
 647                 pos += strlen(preproc_messages);
 648             }
 649             memcpy(pos, messages, strlen(messages) + 1);
 650
 651             if (*error_messages) ID3D10Blob_Release(*error_messages);
 652             *error_messages = buffer;
 653         }
 654         HeapFree(GetProcessHeap(), 0, messages);
 655     }
 656
 657     if (!shader)
 658     {
 659         ERR("HLSL shader parsing failed.\n");
 660         return D3DXERR_INVALIDDATA;
 661     }
 662
 663     hr = SlWriteBytecode(shader, 9, &res, &size);
 664     SlDeleteShader(shader);
 665     if (FAILED(hr))
 666     {
 667         ERR("SlWriteBytecode failed with error 0x%08x.\n", hr);
 668         return D3DXERR_INVALIDDATA;
 669     }
 670
 671     if (shader_blob)
 672     {
 673         hr = D3DCreateBlob(size, &buffer);
 674         if (FAILED(hr))
 675         {
 676             HeapFree(GetProcessHeap(), 0, res);
 677             return hr;
 678         }
 679         memcpy(ID3D10Blob_GetBufferPointer(buffer), res, size);
 680         *shader_blob = buffer;
 681     }
 682
 683     HeapFree(GetProcessHeap(), 0, res);
 684
 685     return S_OK;
 686 }
 687
 688 HRESULT WINAPI D3DCompile(const void *data, SIZE_T data_size, const char *filename,
 689         const D3D_SHADER_MACRO *defines, ID3DInclude *include, const char *entrypoint,
 690         const char *target, UINT sflags, UINT eflags, ID3DBlob **shader, ID3DBlob **error_messages)
 691 {
 692     HRESULT hr;
 693
 694     TRACE("data %p, data_size %lu, filename %s, defines %p, include %p, entrypoint %s,\n"
 695             "target %s, sflags %#x, eflags %#x, shader %p, error_messages %p\n",
 696             data, data_size, debugstr_a(filename), defines, include, debugstr_a(entrypoint),
 697             debugstr_a(target), sflags, eflags, shader, error_messages);
 698
 699     if (shader) *shader = NULL;
 700     if (error_messages) *error_messages = NULL;
 701
 702     EnterCriticalSection(&wpp_mutex);
 703
 704     hr = preprocess_shader(data, data_size, filename, defines, include, error_messages);
 705     if (SUCCEEDED(hr))
 706         hr = compile_shader(wpp_output, target, entrypoint, shader, error_messages);
 707
 708     HeapFree(GetProcessHeap(), 0, wpp_output);
 709     LeaveCriticalSection(&wpp_mutex);
 710     return hr;
 711 }
 712
 713 HRESULT WINAPI D3DPreprocess(const void *data, SIZE_T size, const char *filename,
 714         const D3D_SHADER_MACRO *defines, ID3DInclude *include,
 715         ID3DBlob **shader, ID3DBlob **error_messages)
 716 {
 717     HRESULT hr;
 718     ID3DBlob *buffer;
 719
 720     TRACE("data %p, size %lu, filename %s, defines %p, include %p, shader %p, error_messages %p\n",
 721           data, size, debugstr_a(filename), defines, include, shader, error_messages);
 722
 723     if (!data)
 724         return E_INVALIDARG;
 725
 726     EnterCriticalSection(&wpp_mutex);
 727
 728     if (shader) *shader = NULL;
 729     if (error_messages) *error_messages = NULL;
 730
 731     hr = preprocess_shader(data, size, filename, defines, include, error_messages);
 732
 733     if (SUCCEEDED(hr))
 734     {
 735         if (shader)
 736         {
 737             hr = D3DCreateBlob(wpp_output_size, &buffer);
 738             if (FAILED(hr))
 739                 goto cleanup;
 740             CopyMemory(ID3D10Blob_GetBufferPointer(buffer), wpp_output, wpp_output_size);
 741             *shader = buffer;
 742         }
 743         else
 744             hr = E_INVALIDARG;
 745     }
 746
 747 cleanup:
 748     HeapFree(GetProcessHeap(), 0, wpp_output);
 749     LeaveCriticalSection(&wpp_mutex);
 750     return hr;
 751 }
 752
 753 HRESULT WINAPI D3DDisassemble(const void *data, SIZE_T size, UINT flags, const char *comments, ID3DBlob **disassembly)
 754 {
 755     FIXME("data %p, size %lu, flags %#x, comments %p, disassembly %p stub!\n",
 756             data, size, flags, comments, disassembly);
 757     return E_NOTIMPL;
 758 }