reactos/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     TRACE("Looking for include %s.\n", debugstr_a(filename));
 148
 149     parent_include = NULL;
 150     if (strcmp(parent_name, initial_filename))
 151     {
 152         for(i = 0; i < includes_size; i++)
 153         {
 154             if(!strcmp(parent_name, includes[i].name))
 155             {
 156                 parent_include = includes[i].data;
 157                 break;
 158             }
 159         }
 160         if(parent_include == NULL)
 161         {
 162             ERR("Parent include %s missing.\n", debugstr_a(parent_name));
 163             return NULL;
 164         }
 165     }
 166
 167     path = malloc(strlen(filename) + 1);
 168     if(path)
 169         memcpy(path, filename, strlen(filename) + 1);
 170     return path;
 171 }
 172
 173 static void *wpp_open_mem(const char *filename, int type)
 174 {
 175     struct mem_file_desc *desc;
 176     HRESULT hr;
 177
 178     TRACE("Opening include %s.\n", debugstr_a(filename));
 179
 180     if(!strcmp(filename, initial_filename))
 181     {
 182         current_shader.pos = 0;
 183         return &current_shader;
 184     }
 185
 186     if(current_include == NULL) return NULL;
 187     desc = HeapAlloc(GetProcessHeap(), 0, sizeof(*desc));
 188     if(!desc)
 189         return NULL;
 190
 191     if (FAILED(hr = ID3DInclude_Open(current_include, type ? D3D_INCLUDE_LOCAL : D3D_INCLUDE_SYSTEM,
 192             filename, parent_include, (const void **)&desc->buffer, &desc->size)))
 193     {
 194         HeapFree(GetProcessHeap(), 0, desc);
 195         return NULL;
 196     }
 197
 198     if(includes_capacity == includes_size)
 199     {
 200         if(includes_capacity == 0)
 201         {
 202             includes = HeapAlloc(GetProcessHeap(), 0, INCLUDES_INITIAL_CAPACITY * sizeof(*includes));
 203             if(includes == NULL)
 204             {
 205                 ERR("Error allocating memory for the loaded includes structure\n");
 206                 goto error;
 207             }
 208             includes_capacity = INCLUDES_INITIAL_CAPACITY * sizeof(*includes);
 209         }
 210         else
 211         {
 212             int newcapacity = includes_capacity * 2;
 213             struct loaded_include *newincludes =
 214                 HeapReAlloc(GetProcessHeap(), 0, includes, newcapacity);
 215             if(newincludes == NULL)
 216             {
 217                 ERR("Error reallocating memory for the loaded includes structure\n");
 218                 goto error;
 219             }
 220             includes = newincludes;
 221             includes_capacity = newcapacity;
 222         }
 223     }
 224     includes[includes_size].name = filename;
 225     includes[includes_size++].data = desc->buffer;
 226
 227     desc->pos = 0;
 228     return desc;
 229
 230 error:
 231     ID3DInclude_Close(current_include, desc->buffer);
 232     HeapFree(GetProcessHeap(), 0, desc);
 233     return NULL;
 234 }
 235
 236 static void wpp_close_mem(void *file)
 237 {
 238     struct mem_file_desc *desc = file;
 239
 240     if(desc != &current_shader)
 241     {
 242         if(current_include)
 243             ID3DInclude_Close(current_include, desc->buffer);
 244         else
 245             ERR("current_include == NULL, desc == %p, buffer = %s\n",
 246                 desc, desc->buffer);
 247
 248         HeapFree(GetProcessHeap(), 0, desc);
 249     }
 250 }
 251
 252 static int wpp_read_mem(void *file, char *buffer, unsigned int len)
 253 {
 254     struct mem_file_desc *desc = file;
 255
 256     len = min(len, desc->size - desc->pos);
 257     memcpy(buffer, desc->buffer + desc->pos, len);
 258     desc->pos += len;
 259     return len;
 260 }
 261
 262 static void wpp_write_mem(const char *buffer, unsigned int len)
 263 {
 264     char *new_wpp_output;
 265
 266     if(wpp_output_capacity == 0)
 267     {
 268         wpp_output = HeapAlloc(GetProcessHeap(), 0, BUFFER_INITIAL_CAPACITY);
 269         if(!wpp_output)
 270             return;
 271
 272         wpp_output_capacity = BUFFER_INITIAL_CAPACITY;
 273     }
 274     if(len > wpp_output_capacity - wpp_output_size)
 275     {
 276         while(len > wpp_output_capacity - wpp_output_size)
 277         {
 278             wpp_output_capacity *= 2;
 279         }
 280         new_wpp_output = HeapReAlloc(GetProcessHeap(), 0, wpp_output,
 281                                      wpp_output_capacity);
 282         if(!new_wpp_output)
 283         {
 284             ERR("Error allocating memory\n");
 285             return;
 286         }
 287         wpp_output = new_wpp_output;
 288     }
 289     memcpy(wpp_output + wpp_output_size, buffer, len);
 290     wpp_output_size += len;
 291 }
 292
 293 static int wpp_close_output(void)
 294 {
 295     char *new_wpp_output = HeapReAlloc(GetProcessHeap(), 0, wpp_output,
 296                                        wpp_output_size + 1);
 297     if(!new_wpp_output) return 0;
 298     wpp_output = new_wpp_output;
 299     wpp_output[wpp_output_size]='\0';
 300     wpp_output_size++;
 301     return 1;
 302 }
 303
 304 static HRESULT preprocess_shader(const void *data, SIZE_T data_size, const char *filename,
 305         const D3D_SHADER_MACRO *defines, ID3DInclude *include, ID3DBlob **error_messages)
 306 {
 307     int ret;
 308     HRESULT hr = S_OK;
 309     const D3D_SHADER_MACRO *def = defines;
 310
 311     static const struct wpp_callbacks wpp_callbacks =
 312     {
 313         wpp_lookup_mem,
 314         wpp_open_mem,
 315         wpp_close_mem,
 316         wpp_read_mem,
 317         wpp_write_mem,
 318         wpp_error,
 319         wpp_warning,
 320     };
 321
 322     if (def != NULL)
 323     {
 324         while (def->Name != NULL)
 325         {
 326             wpp_add_define(def->Name, def->Definition);
 327             def++;
 328         }
 329     }
 330     current_include = include;
 331     includes_size = 0;
 332
 333     wpp_output_size = wpp_output_capacity = 0;
 334     wpp_output = NULL;
 335
 336     wpp_set_callbacks(&wpp_callbacks);
 337     wpp_messages_size = wpp_messages_capacity = 0;
 338     wpp_messages = NULL;
 339     current_shader.buffer = data;
 340     current_shader.size = data_size;
 341     initial_filename = filename ? filename : "";
 342
 343     ret = wpp_parse(initial_filename, NULL);
 344     if (!wpp_close_output())
 345         ret = 1;
 346     if (ret)
 347     {
 348         TRACE("Error during shader preprocessing\n");
 349         if (wpp_messages)
 350         {
 351             int size;
 352             ID3DBlob *buffer;
 353
 354             TRACE("Preprocessor messages:\n%s\n", debugstr_a(wpp_messages));
 355
 356             if (error_messages)
 357             {
 358                 size = strlen(wpp_messages) + 1;
 359                 hr = D3DCreateBlob(size, &buffer);
 360                 if (FAILED(hr))
 361                     goto cleanup;
 362                 CopyMemory(ID3D10Blob_GetBufferPointer(buffer), wpp_messages, size);
 363                 *error_messages = buffer;
 364             }
 365         }
 366         if (data)
 367             TRACE("Shader source:\n%s\n", debugstr_an(data, data_size));
 368         hr = E_FAIL;
 369     }
 370
 371 cleanup:
 372     /* Remove the previously added defines */
 373     if (defines != NULL)
 374     {
 375         while (defines->Name != NULL)
 376         {
 377             wpp_del_define(defines->Name);
 378             defines++;
 379         }
 380     }
 381     HeapFree(GetProcessHeap(), 0, wpp_messages);
 382     return hr;
 383 }
 384
 385 static HRESULT assemble_shader(const char *preproc_shader,
 386         ID3DBlob **shader_blob, ID3DBlob **error_messages)
 387 {
 388     struct bwriter_shader *shader;
 389     char *messages = NULL;
 390     HRESULT hr;
 391     DWORD *res, size;
 392     ID3DBlob *buffer;
 393     char *pos;
 394
 395     shader = SlAssembleShader(preproc_shader, &messages);
 396
 397     if (messages)
 398     {
 399         TRACE("Assembler messages:\n");
 400         TRACE("%s\n", debugstr_a(messages));
 401
 402         TRACE("Shader source:\n");
 403         TRACE("%s\n", debugstr_a(preproc_shader));
 404
 405         if (error_messages)
 406         {
 407             const char *preproc_messages = *error_messages ? ID3D10Blob_GetBufferPointer(*error_messages) : NULL;
 408
 409             size = strlen(messages) + (preproc_messages ? strlen(preproc_messages) : 0) + 1;
 410             hr = D3DCreateBlob(size, &buffer);
 411             if (FAILED(hr))
 412             {
 413                 HeapFree(GetProcessHeap(), 0, messages);
 414                 if (shader) SlDeleteShader(shader);
 415                 return hr;
 416             }
 417             pos = ID3D10Blob_GetBufferPointer(buffer);
 418             if (preproc_messages)
 419             {
 420                 CopyMemory(pos, preproc_messages, strlen(preproc_messages) + 1);
 421                 pos += strlen(preproc_messages);
 422             }
 423             CopyMemory(pos, messages, strlen(messages) + 1);
 424
 425             if (*error_messages) ID3D10Blob_Release(*error_messages);
 426             *error_messages = buffer;
 427         }
 428         HeapFree(GetProcessHeap(), 0, messages);
 429     }
 430
 431     if (shader == NULL)
 432     {
 433         ERR("Asm reading failed\n");
 434         return D3DXERR_INVALIDDATA;
 435     }
 436
 437     hr = SlWriteBytecode(shader, 9, &res, &size);
 438     SlDeleteShader(shader);
 439     if (FAILED(hr))
 440     {
 441         ERR("SlWriteBytecode failed with 0x%08x\n", hr);
 442         return D3DXERR_INVALIDDATA;
 443     }
 444
 445     if (shader_blob)
 446     {
 447         hr = D3DCreateBlob(size, &buffer);
 448         if (FAILED(hr))
 449         {
 450             HeapFree(GetProcessHeap(), 0, res);
 451             return hr;
 452         }
 453         CopyMemory(ID3D10Blob_GetBufferPointer(buffer), res, size);
 454         *shader_blob = buffer;
 455     }
 456
 457     HeapFree(GetProcessHeap(), 0, res);
 458
 459     return S_OK;
 460 }
 461
 462 HRESULT WINAPI D3DAssemble(const void *data, SIZE_T datasize, const char *filename,
 463         const D3D_SHADER_MACRO *defines, ID3DInclude *include, UINT flags,
 464         ID3DBlob **shader, ID3DBlob **error_messages)
 465 {
 466     HRESULT hr;
 467
 468     TRACE("data %p, datasize %lu, filename %s, defines %p, include %p, sflags %#x,\n"
 469             "shader %p, error_messages %p\n",
 470             data, datasize, debugstr_a(filename), defines, include, flags, shader, error_messages);
 471
 472     EnterCriticalSection(&wpp_mutex);
 473
 474     /* TODO: flags */
 475     if (flags) FIXME("flags %x\n", flags);
 476
 477     if (shader) *shader = NULL;
 478     if (error_messages) *error_messages = NULL;
 479
 480     hr = preprocess_shader(data, datasize, filename, defines, include, error_messages);
 481     if (SUCCEEDED(hr))
 482         hr = assemble_shader(wpp_output, shader, error_messages);
 483
 484     HeapFree(GetProcessHeap(), 0, wpp_output);
 485     LeaveCriticalSection(&wpp_mutex);
 486     return hr;
 487 }
 488
 489 struct target_info {
 490     const char *name;
 491     enum shader_type type;
 492     DWORD sm_major;
 493     DWORD sm_minor;
 494     DWORD level_major;
 495     DWORD level_minor;
 496     BOOL sw;
 497     BOOL support;
 498 };
 499
 500 /* Must be kept sorted for binary search */
 501 static const struct target_info targets_info[] = {
 502     { "cs_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 503     { "cs_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 504     { "cs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 505     { "ds_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 506     { "fx_2_0",            ST_UNKNOWN, 2, 0, 0, 0, FALSE, FALSE },
 507     { "fx_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 508     { "fx_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 509     { "fx_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 510     { "gs_4_0",            ST_UNKNOWN, 4, 0, 0, 0, FALSE, FALSE },
 511     { "gs_4_1",            ST_UNKNOWN, 4, 1, 0, 0, FALSE, FALSE },
 512     { "gs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 513     { "hs_5_0",            ST_UNKNOWN, 5, 0, 0, 0, FALSE, FALSE },
 514     { "ps.1.0",            ST_PIXEL,   1, 0, 0, 0, FALSE, TRUE  },
 515     { "ps.1.1",            ST_PIXEL,   1, 1, 0, 0, FALSE, FALSE },
 516     { "ps.1.2",            ST_PIXEL,   1, 2, 0, 0, FALSE, FALSE },
 517     { "ps.1.3",            ST_PIXEL,   1, 3, 0, 0, FALSE, FALSE },
 518     { "ps.1.4",            ST_PIXEL,   1, 4, 0, 0, FALSE, FALSE },
 519     { "ps.2.0",            ST_PIXEL,   2, 0, 0, 0, FALSE, TRUE  },
 520     { "ps.2.a",            ST_PIXEL,   2, 1, 0, 0, FALSE, FALSE },
 521     { "ps.2.b",            ST_PIXEL,   2, 2, 0, 0, FALSE, FALSE },
 522     { "ps.2.sw",           ST_PIXEL,   2, 0, 0, 0, TRUE,  FALSE },
 523     { "ps.3.0",            ST_PIXEL,   3, 0, 0, 0, FALSE, TRUE  },
 524     { "ps_1_0",            ST_PIXEL,   1, 0, 0, 0, FALSE, TRUE  },
 525     { "ps_1_1",            ST_PIXEL,   1, 1, 0, 0, FALSE, FALSE },
 526     { "ps_1_2",            ST_PIXEL,   1, 2, 0, 0, FALSE, FALSE },
 527     { "ps_1_3",            ST_PIXEL,   1, 3, 0, 0, FALSE, FALSE },
 528     { "ps_1_4",            ST_PIXEL,   1, 4, 0, 0, FALSE, FALSE },
 529     { "ps_2_0",            ST_PIXEL,   2, 0, 0, 0, FALSE, TRUE  },
 530     { "ps_2_a",            ST_PIXEL,   2, 1, 0, 0, FALSE, FALSE },
 531     { "ps_2_b",            ST_PIXEL,   2, 2, 0, 0, FALSE, FALSE },
 532     { "ps_2_sw",           ST_PIXEL,   2, 0, 0, 0, TRUE,  FALSE },
 533     { "ps_3_0",            ST_PIXEL,   3, 0, 0, 0, FALSE, TRUE  },
 534     { "ps_3_sw",           ST_PIXEL,   3, 0, 0, 0, TRUE,  FALSE },
 535     { "ps_4_0",            ST_PIXEL,   4, 0, 0, 0, FALSE, TRUE  },
 536     { "ps_4_0_level_9_0",  ST_PIXEL,   4, 0, 9, 0, FALSE, FALSE },
 537     { "ps_4_0_level_9_1",  ST_PIXEL,   4, 0, 9, 1, FALSE, FALSE },
 538     { "ps_4_0_level_9_3",  ST_PIXEL,   4, 0, 9, 3, FALSE, FALSE },
 539     { "ps_4_1",            ST_PIXEL,   4, 1, 0, 0, FALSE, TRUE  },
 540     { "ps_5_0",            ST_PIXEL,   5, 0, 0, 0, FALSE, TRUE  },
 541     { "tx_1_0",            ST_UNKNOWN, 1, 0, 0, 0, FALSE, FALSE },
 542     { "vs.1.0",            ST_VERTEX,  1, 0, 0, 0, FALSE, TRUE  },
 543     { "vs.1.1",            ST_VERTEX,  1, 1, 0, 0, FALSE, TRUE  },
 544     { "vs.2.0",            ST_VERTEX,  2, 0, 0, 0, FALSE, TRUE  },
 545     { "vs.2.a",            ST_VERTEX,  2, 1, 0, 0, FALSE, FALSE },
 546     { "vs.2.sw",           ST_VERTEX,  2, 0, 0, 0, TRUE,  FALSE },
 547     { "vs.3.0",            ST_VERTEX,  3, 0, 0, 0, FALSE, TRUE  },
 548     { "vs.3.sw",           ST_VERTEX,  3, 0, 0, 0, TRUE,  FALSE },
 549     { "vs_1_0",            ST_VERTEX,  1, 0, 0, 0, FALSE, TRUE  },
 550     { "vs_1_1",            ST_VERTEX,  1, 1, 0, 0, FALSE, TRUE  },
 551     { "vs_2_0",            ST_VERTEX,  2, 0, 0, 0, FALSE, TRUE  },
 552     { "vs_2_a",            ST_VERTEX,  2, 1, 0, 0, FALSE, FALSE },
 553     { "vs_2_sw",           ST_VERTEX,  2, 0, 0, 0, TRUE,  FALSE },
 554     { "vs_3_0",            ST_VERTEX,  3, 0, 0, 0, FALSE, TRUE  },
 555     { "vs_3_sw",           ST_VERTEX,  3, 0, 0, 0, TRUE,  FALSE },
 556     { "vs_4_0",            ST_VERTEX,  4, 0, 0, 0, FALSE, TRUE  },
 557     { "vs_4_0_level_9_0",  ST_VERTEX,  4, 0, 9, 0, FALSE, FALSE },
 558     { "vs_4_0_level_9_1",  ST_VERTEX,  4, 0, 9, 1, FALSE, FALSE },
 559     { "vs_4_0_level_9_3",  ST_VERTEX,  4, 0, 9, 3, FALSE, FALSE },
 560     { "vs_4_1",            ST_VERTEX,  4, 1, 0, 0, FALSE, TRUE  },
 561     { "vs_5_0",            ST_VERTEX,  5, 0, 0, 0, FALSE, TRUE  },
 562 };
 563
 564 static const struct target_info * get_target_info(const char *target)
 565 {
 566     LONG min = 0;
 567     LONG max = sizeof(targets_info) / sizeof(targets_info[0]) - 1;
 568     LONG cur;
 569     int res;
 570
 571     while (min <= max)
 572     {
 573         cur = (min + max) / 2;
 574         res = strcmp(target, targets_info[cur].name);
 575         if (res < 0)
 576             max = cur - 1;
 577         else if (res > 0)
 578             min = cur + 1;
 579         else
 580             return &targets_info[cur];
 581     }
 582
 583     return NULL;
 584 }
 585
 586 static HRESULT compile_shader(const char *preproc_shader, const char *target, const char *entrypoint,
 587         ID3DBlob **shader_blob, ID3DBlob **error_messages)
 588 {
 589     struct bwriter_shader *shader;
 590     char *messages = NULL;
 591     HRESULT hr;
 592     DWORD *res, size, major, minor;
 593     ID3DBlob *buffer;
 594     char *pos;
 595     enum shader_type shader_type;
 596     const struct target_info *info;
 597
 598     TRACE("Preprocessed shader source: %s\n", debugstr_a(preproc_shader));
 599
 600     TRACE("Checking compilation target %s\n", debugstr_a(target));
 601     info = get_target_info(target);
 602     if (!info)
 603     {
 604         FIXME("Unknown compilation target %s\n", debugstr_a(target));
 605         return D3DERR_INVALIDCALL;
 606     }
 607     else
 608     {
 609         if (!info->support)
 610         {
 611             FIXME("Compilation target %s not yet supported\n", debugstr_a(target));
 612             return D3DERR_INVALIDCALL;
 613         }
 614         else
 615         {
 616             shader_type = info->type;
 617             major = info->sm_major;
 618             minor = info->sm_minor;
 619         }
 620     }
 621
 622     shader = parse_hlsl_shader(preproc_shader, shader_type, major, minor, entrypoint, &messages);
 623
 624     if (messages)
 625     {
 626         TRACE("Compiler messages:\n");
 627         TRACE("%s\n", debugstr_a(messages));
 628
 629         TRACE("Shader source:\n");
 630         TRACE("%s\n", debugstr_a(preproc_shader));
 631
 632         if (error_messages)
 633         {
 634             const char *preproc_messages = *error_messages ? ID3D10Blob_GetBufferPointer(*error_messages) : NULL;
 635
 636             size = strlen(messages) + (preproc_messages ? strlen(preproc_messages) : 0) + 1;
 637             hr = D3DCreateBlob(size, &buffer);
 638             if (FAILED(hr))
 639             {
 640                 HeapFree(GetProcessHeap(), 0, messages);
 641                 if (shader) SlDeleteShader(shader);
 642                 return hr;
 643             }
 644             pos = ID3D10Blob_GetBufferPointer(buffer);
 645             if (preproc_messages)
 646             {
 647                 memcpy(pos, preproc_messages, strlen(preproc_messages) + 1);
 648                 pos += strlen(preproc_messages);
 649             }
 650             memcpy(pos, messages, strlen(messages) + 1);
 651
 652             if (*error_messages) ID3D10Blob_Release(*error_messages);
 653             *error_messages = buffer;
 654         }
 655         HeapFree(GetProcessHeap(), 0, messages);
 656     }
 657
 658     if (!shader)
 659     {
 660         ERR("HLSL shader parsing failed.\n");
 661         return D3DXERR_INVALIDDATA;
 662     }
 663
 664     hr = SlWriteBytecode(shader, 9, &res, &size);
 665     SlDeleteShader(shader);
 666     if (FAILED(hr))
 667     {
 668         ERR("SlWriteBytecode failed with error 0x%08x.\n", hr);
 669         return D3DXERR_INVALIDDATA;
 670     }
 671
 672     if (shader_blob)
 673     {
 674         hr = D3DCreateBlob(size, &buffer);
 675         if (FAILED(hr))
 676         {
 677             HeapFree(GetProcessHeap(), 0, res);
 678             return hr;
 679         }
 680         memcpy(ID3D10Blob_GetBufferPointer(buffer), res, size);
 681         *shader_blob = buffer;
 682     }
 683
 684     HeapFree(GetProcessHeap(), 0, res);
 685
 686     return S_OK;
 687 }
 688
 689 HRESULT WINAPI D3DCompile(const void *data, SIZE_T data_size, const char *filename,
 690         const D3D_SHADER_MACRO *defines, ID3DInclude *include, const char *entrypoint,
 691         const char *target, UINT sflags, UINT eflags, ID3DBlob **shader, ID3DBlob **error_messages)
 692 {
 693     HRESULT hr;
 694
 695     TRACE("data %p, data_size %lu, filename %s, defines %p, include %p, entrypoint %s,\n"
 696             "target %s, sflags %#x, eflags %#x, shader %p, error_messages %p\n",
 697             data, data_size, debugstr_a(filename), defines, include, debugstr_a(entrypoint),
 698             debugstr_a(target), sflags, eflags, shader, error_messages);
 699
 700     if (shader) *shader = NULL;
 701     if (error_messages) *error_messages = NULL;
 702
 703     EnterCriticalSection(&wpp_mutex);
 704
 705     hr = preprocess_shader(data, data_size, filename, defines, include, error_messages);
 706     if (SUCCEEDED(hr))
 707         hr = compile_shader(wpp_output, target, entrypoint, shader, error_messages);
 708
 709     HeapFree(GetProcessHeap(), 0, wpp_output);
 710     LeaveCriticalSection(&wpp_mutex);
 711     return hr;
 712 }
 713
 714 HRESULT WINAPI D3DPreprocess(const void *data, SIZE_T size, const char *filename,
 715         const D3D_SHADER_MACRO *defines, ID3DInclude *include,
 716         ID3DBlob **shader, ID3DBlob **error_messages)
 717 {
 718     HRESULT hr;
 719     ID3DBlob *buffer;
 720
 721     TRACE("data %p, size %lu, filename %s, defines %p, include %p, shader %p, error_messages %p\n",
 722           data, size, debugstr_a(filename), defines, include, shader, error_messages);
 723
 724     if (!data)
 725         return E_INVALIDARG;
 726
 727     EnterCriticalSection(&wpp_mutex);
 728
 729     if (shader) *shader = NULL;
 730     if (error_messages) *error_messages = NULL;
 731
 732     hr = preprocess_shader(data, size, filename, defines, include, error_messages);
 733
 734     if (SUCCEEDED(hr))
 735     {
 736         if (shader)
 737         {
 738             hr = D3DCreateBlob(wpp_output_size, &buffer);
 739             if (FAILED(hr))
 740                 goto cleanup;
 741             CopyMemory(ID3D10Blob_GetBufferPointer(buffer), wpp_output, wpp_output_size);
 742             *shader = buffer;
 743         }
 744         else
 745             hr = E_INVALIDARG;
 746     }
 747
 748 cleanup:
 749     HeapFree(GetProcessHeap(), 0, wpp_output);
 750     LeaveCriticalSection(&wpp_mutex);
 751     return hr;
 752 }
 753
 754 HRESULT WINAPI D3DDisassemble(const void *data, SIZE_T size, UINT flags, const char *comments, ID3DBlob **disassembly)
 755 {
 756     FIXME("data %p, size %lu, flags %#x, comments %p, disassembly %p stub!\n",
 757             data, size, flags, comments, disassembly);
 758     return E_NOTIMPL;
 759 }