git.oblomov.eu Git - wine/blob - dlls/wined3d/vertexdeclaration.c

   1 /*
   2  * vertex declaration implementation
   3  *
   4  * Copyright 2002-2005 Raphael Junqueira
   5  * Copyright 2004 Jason Edmeades
   6  * Copyright 2004 Christian Costa
   7  * Copyright 2005 Oliver Stieber
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include "config.h"
  25 #include "wined3d_private.h"
  26
  27 WINE_DEFAULT_DEBUG_CHANNEL(d3d_decl);
  28
  29 /**
  30  * DirectX9 SDK download
  31  *  http://msdn.microsoft.com/library/default.asp?url=/downloads/list/directx.asp
  32  *
  33  * Exploring D3DX
  34  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndrive/html/directx07162002.asp
  35  *
  36  * Using Vertex Shaders
  37  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dndrive/html/directx02192001.asp
  38  *
  39  * Dx9 New
  40  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/whatsnew.asp
  41  *
  42  * Dx9 Shaders
  43  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader2_0/VertexShader2_0.asp
  44  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader2_0/Instructions/Instructions.asp
  45  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/GettingStarted/VertexDeclaration/VertexDeclaration.asp
  46  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/reference/Shaders/VertexShader3_0/VertexShader3_0.asp
  47  *
  48  * Dx9 D3DX
  49  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/advancedtopics/VertexPipe/matrixstack/matrixstack.asp
  50  *
  51  * FVF
  52  *  http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/directx/graphics/programmingguide/GettingStarted/VertexFormats/vformats.asp
  53  *
  54  * NVIDIA: DX8 Vertex Shader to NV Vertex Program
  55  *  http://developer.nvidia.com/view.asp?IO=vstovp
  56  *
  57  * NVIDIA: Memory Management with VAR
  58  *  http://developer.nvidia.com/view.asp?IO=var_memory_management
  59  */
  60
  61 /** Vertex Shader Declaration 8 data types tokens */
  62 #define MAX_VSHADER_DECL_TYPES 8
  63
  64 static CONST char* VertexDecl8_DataTypes[] = {
  65   "D3DVSDT_FLOAT1",
  66   "D3DVSDT_FLOAT2",
  67   "D3DVSDT_FLOAT3",
  68   "D3DVSDT_FLOAT4",
  69   "D3DVSDT_D3DCOLOR",
  70   "D3DVSDT_UBYTE4",
  71   "D3DVSDT_SHORT2",
  72   "D3DVSDT_SHORT4",
  73   NULL
  74 };
  75
  76 static CONST char* VertexDecl8_Registers[] = {
  77   "D3DVSDE_POSITION",
  78   "D3DVSDE_BLENDWEIGHT",
  79   "D3DVSDE_BLENDINDICES",
  80   "D3DVSDE_NORMAL",
  81   "D3DVSDE_PSIZE",
  82   "D3DVSDE_DIFFUSE",
  83   "D3DVSDE_SPECULAR",
  84   "D3DVSDE_TEXCOORD0",
  85   "D3DVSDE_TEXCOORD1",
  86   "D3DVSDE_TEXCOORD2",
  87   "D3DVSDE_TEXCOORD3",
  88   "D3DVSDE_TEXCOORD4",
  89   "D3DVSDE_TEXCOORD5",
  90   "D3DVSDE_TEXCOORD6",
  91   "D3DVSDE_TEXCOORD7",
  92   "D3DVSDE_POSITION2",
  93   "D3DVSDE_NORMAL2",
  94   NULL
  95 };
  96
  97 typedef enum _D3DVSD_TOKENTYPE {
  98   D3DVSD_TOKEN_NOP         = 0,
  99   D3DVSD_TOKEN_STREAM      = 1,
 100   D3DVSD_TOKEN_STREAMDATA  = 2,
 101   D3DVSD_TOKEN_TESSELLATOR = 3,
 102   D3DVSD_TOKEN_CONSTMEM    = 4,
 103   D3DVSD_TOKEN_EXT         = 5,
 104   /* RESERVED              = 6 */
 105   D3DVSD_TOKEN_END         = 7,
 106   D3DVSD_FORCE_DWORD       = 0x7FFFFFFF
 107 } D3DVSD_TOKENTYPE;
 108
 109 typedef enum _D3DVSDE_REGISTER {
 110   D3DVSDE_POSITION     =  0,
 111   D3DVSDE_BLENDWEIGHT  =  1,
 112   D3DVSDE_BLENDINDICES =  2,
 113   D3DVSDE_NORMAL       =  3,
 114   D3DVSDE_PSIZE        =  4,
 115   D3DVSDE_DIFFUSE      =  5,
 116   D3DVSDE_SPECULAR     =  6,
 117   D3DVSDE_TEXCOORD0    =  7,
 118   D3DVSDE_TEXCOORD1    =  8,
 119   D3DVSDE_TEXCOORD2    =  9,
 120   D3DVSDE_TEXCOORD3    = 10,
 121   D3DVSDE_TEXCOORD4    = 11,
 122   D3DVSDE_TEXCOORD5    = 12,
 123   D3DVSDE_TEXCOORD6    = 13,
 124   D3DVSDE_TEXCOORD7    = 14,
 125   D3DVSDE_POSITION2    = 15,
 126   D3DVSDE_NORMAL2      = 16,
 127   MAX_D3DVSDE          = 17
 128 } D3DVSDE_REGISTER;
 129
 130 typedef enum _D3DVSDT_TYPE {
 131   D3DVSDT_FLOAT1   = 0x00,
 132   D3DVSDT_FLOAT2   = 0x01,
 133   D3DVSDT_FLOAT3   = 0x02,
 134   D3DVSDT_FLOAT4   = 0x03,
 135   D3DVSDT_D3DCOLOR = 0x04,
 136   D3DVSDT_UBYTE4   = 0x05,
 137   D3DVSDT_SHORT2   = 0x06,
 138   D3DVSDT_SHORT4   = 0x07
 139 } D3DVSDT_TYPE;
 140
 141
 142 #define D3DVSD_CONSTADDRESSSHIFT  0
 143 #define D3DVSD_EXTINFOSHIFT       0
 144 #define D3DVSD_STREAMNUMBERSHIFT  0
 145 #define D3DVSD_VERTEXREGSHIFT     0
 146 #define D3DVSD_CONSTRSSHIFT      16
 147 #define D3DVSD_DATATYPESHIFT     16
 148 #define D3DVSD_SKIPCOUNTSHIFT    16
 149 #define D3DVSD_VERTEXREGINSHIFT  20
 150 #define D3DVSD_EXTCOUNTSHIFT     24
 151 #define D3DVSD_CONSTCOUNTSHIFT   25
 152 #define D3DVSD_DATALOADTYPESHIFT 28
 153 #define D3DVSD_STREAMTESSSHIFT   28
 154 #define D3DVSD_TOKENTYPESHIFT    29
 155
 156 #define D3DVSD_CONSTADDRESSMASK  (0x7F     << D3DVSD_CONSTADDRESSSHIFT)
 157 #define D3DVSD_EXTINFOMASK       (0xFFFFFF << D3DVSD_EXTINFOSHIFT)
 158 #define D3DVSD_STREAMNUMBERMASK  (0xF      << D3DVSD_STREAMNUMBERSHIFT)
 159 #define D3DVSD_VERTEXREGMASK     (0x1F     << D3DVSD_VERTEXREGSHIFT)
 160 #define D3DVSD_CONSTRSMASK       (0x1FFF   << D3DVSD_CONSTRSSHIFT)
 161 #define D3DVSD_DATATYPEMASK      (0xF      << D3DVSD_DATATYPESHIFT)
 162 #define D3DVSD_SKIPCOUNTMASK     (0xF      << D3DVSD_SKIPCOUNTSHIFT)
 163 #define D3DVSD_EXTCOUNTMASK      (0x1F     << D3DVSD_EXTCOUNTSHIFT)
 164 #define D3DVSD_VERTEXREGINMASK   (0xF      << D3DVSD_VERTEXREGINSHIFT)
 165 #define D3DVSD_CONSTCOUNTMASK    (0xF      << D3DVSD_CONSTCOUNTSHIFT)
 166 #define D3DVSD_DATALOADTYPEMASK  (0x1      << D3DVSD_DATALOADTYPESHIFT)
 167 #define D3DVSD_STREAMTESSMASK    (0x1      << D3DVSD_STREAMTESSSHIFT)
 168 #define D3DVSD_TOKENTYPEMASK     (0x7      << D3DVSD_TOKENTYPESHIFT)
 169
 170 #define D3DVSD_END() 0xFFFFFFFF
 171 #define D3DVSD_NOP() 0x00000000
 172
 173 static DWORD IWineD3DVertexDeclarationImpl_ParseToken8(const DWORD* pToken) {
 174   const DWORD token = *pToken;
 175   DWORD tokenlen = 1;
 176
 177   switch ((token & D3DVSD_TOKENTYPEMASK) >> D3DVSD_TOKENTYPESHIFT) { /* maybe a macro to inverse ... */
 178   case D3DVSD_TOKEN_NOP:
 179     TRACE(" 0x%08lx NOP()\n", token);
 180     break;
 181   case D3DVSD_TOKEN_STREAM:
 182     if (token & D3DVSD_STREAMTESSMASK) {
 183       TRACE(" 0x%08lx STREAM_TESS()\n", token);
 184     } else {
 185       TRACE(" 0x%08lx STREAM(%lu)\n", token, ((token & D3DVSD_STREAMNUMBERMASK) >> D3DVSD_STREAMNUMBERSHIFT));
 186     }
 187     break;
 188   case D3DVSD_TOKEN_STREAMDATA:
 189     if (token & 0x10000000) {
 190       TRACE(" 0x%08lx SKIP(%lu)\n", token, ((token & D3DVSD_SKIPCOUNTMASK) >> D3DVSD_SKIPCOUNTSHIFT));
 191     } else {
 192       DWORD type = ((token & D3DVSD_DATATYPEMASK)  >> D3DVSD_DATATYPESHIFT);
 193       DWORD reg  = ((token & D3DVSD_VERTEXREGMASK) >> D3DVSD_VERTEXREGSHIFT);
 194       TRACE(" 0x%08lx REG(%s, %s)\n", token, VertexDecl8_Registers[reg], VertexDecl8_DataTypes[type]);
 195     }
 196     break;
 197   case D3DVSD_TOKEN_TESSELLATOR:
 198     if (token & 0x10000000) {
 199       DWORD type = ((token & D3DVSD_DATATYPEMASK)  >> D3DVSD_DATATYPESHIFT);
 200       DWORD reg  = ((token & D3DVSD_VERTEXREGMASK) >> D3DVSD_VERTEXREGSHIFT);
 201       TRACE(" 0x%08lx TESSUV(%s) as %s\n", token, VertexDecl8_Registers[reg], VertexDecl8_DataTypes[type]);
 202     } else {
 203       DWORD type   = ((token & D3DVSD_DATATYPEMASK)    >> D3DVSD_DATATYPESHIFT);
 204       DWORD regout = ((token & D3DVSD_VERTEXREGMASK)   >> D3DVSD_VERTEXREGSHIFT);
 205       DWORD regin  = ((token & D3DVSD_VERTEXREGINMASK) >> D3DVSD_VERTEXREGINSHIFT);
 206       TRACE(" 0x%08lx TESSNORMAL(%s, %s) as %s\n", token, VertexDecl8_Registers[regin], VertexDecl8_Registers[regout], VertexDecl8_DataTypes[type]);
 207     }
 208     break;
 209   case D3DVSD_TOKEN_CONSTMEM:
 210     {
 211       DWORD i;
 212       DWORD count        = ((token & D3DVSD_CONSTCOUNTMASK)   >> D3DVSD_CONSTCOUNTSHIFT);
 213       DWORD constaddress = ((token & D3DVSD_CONSTADDRESSMASK) >> D3DVSD_CONSTADDRESSSHIFT);
 214       TRACE(" 0x%08lx CONST(%lu, %lu)\n", token, constaddress, count);
 215       ++pToken;
 216       for (i = 0; i < count; ++i) {
 217 #if 0
 218         TRACE("        c[%lu] = (0x%08lx, 0x%08lx, 0x%08lx, 0x%08lx)\n",
 219             constaddress,
 220             *pToken,
 221             *(pToken + 1),
 222             *(pToken + 2),
 223             *(pToken + 3));
 224 #endif
 225         TRACE("        c[%lu] = (%8f, %8f, %8f, %8f)\n",
 226             constaddress,
 227             *(const float*) pToken,
 228             *(const float*) (pToken + 1),
 229             *(const float*) (pToken + 2),
 230             *(const float*) (pToken + 3));
 231         pToken += 4;
 232         ++constaddress;
 233       }
 234       tokenlen = (4 * count) + 1;
 235     }
 236     break;
 237   case D3DVSD_TOKEN_EXT:
 238     {
 239       DWORD count   = ((token & D3DVSD_CONSTCOUNTMASK) >> D3DVSD_CONSTCOUNTSHIFT);
 240       DWORD extinfo = ((token & D3DVSD_EXTINFOMASK)    >> D3DVSD_EXTINFOSHIFT);
 241       TRACE(" 0x%08lx EXT(%lu, %lu)\n", token, count, extinfo);
 242       /* todo ... print extension */
 243       tokenlen = count + 1;
 244     }
 245     break;
 246   case D3DVSD_TOKEN_END:
 247     TRACE(" 0x%08lx END()\n", token);
 248     break;
 249   default:
 250     TRACE(" 0x%08lx UNKNOWN\n", token);
 251     /* argg error */
 252   }
 253   return tokenlen;
 254 }
 255
 256 /* structure used by the d3d8 to d3d9 conversion lookup table */
 257 typedef struct _Decl8to9Lookup {
 258     int usage;
 259     int usageIndex;
 260 } Decl8to9Lookup;
 261
 262 static HRESULT IWineD3DVertexDeclarationImpl_ParseDeclaration8(IWineD3DVertexDeclaration *iface, const DWORD *pDecl) {
 263 IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 264 #define MAKE_LOOKUP(_reg,_usage,_usageindex) decl8to9Lookup[_reg].usage = _usage; \
 265                                                  decl8to9Lookup[_reg].usageIndex = _usageindex;
 266     const DWORD* pToken = pDecl;
 267     DWORD len = 0;
 268     DWORD stream = 0;
 269     DWORD token;
 270     DWORD tokenlen;
 271     DWORD tokentype;
 272     DWORD nTokens = 0;
 273     D3DVERTEXELEMENT9 convTo9[128];
 274 /* TODO: find out where rhw (or positionT) is for declaration8 */
 275     Decl8to9Lookup decl8to9Lookup[MAX_D3DVSDE];
 276     MAKE_LOOKUP(D3DVSDE_POSITION,     D3DDECLUSAGE_POSITION, 0);
 277     MAKE_LOOKUP(D3DVSDE_POSITION2,    D3DDECLUSAGE_POSITION, 1);
 278     MAKE_LOOKUP(D3DVSDE_BLENDWEIGHT,  D3DDECLUSAGE_BLENDWEIGHT, 0);
 279     MAKE_LOOKUP(D3DVSDE_BLENDINDICES, D3DDECLUSAGE_BLENDWEIGHT, 0);
 280     MAKE_LOOKUP(D3DVSDE_NORMAL,       D3DDECLUSAGE_NORMAL, 0);
 281     MAKE_LOOKUP(D3DVSDE_NORMAL2,      D3DDECLUSAGE_NORMAL, 1);
 282     MAKE_LOOKUP(D3DVSDE_DIFFUSE,      D3DDECLUSAGE_COLOR, 0);
 283     MAKE_LOOKUP(D3DVSDE_SPECULAR,     D3DDECLUSAGE_COLOR, 1);
 284     MAKE_LOOKUP(D3DVSDE_TEXCOORD0,    D3DDECLUSAGE_BLENDWEIGHT, 0);
 285     MAKE_LOOKUP(D3DVSDE_TEXCOORD1,    D3DDECLUSAGE_BLENDWEIGHT, 1);
 286     MAKE_LOOKUP(D3DVSDE_TEXCOORD2,    D3DDECLUSAGE_BLENDWEIGHT, 2);
 287     MAKE_LOOKUP(D3DVSDE_TEXCOORD3,    D3DDECLUSAGE_BLENDWEIGHT, 3);
 288     MAKE_LOOKUP(D3DVSDE_TEXCOORD4,    D3DDECLUSAGE_BLENDWEIGHT, 4);
 289     MAKE_LOOKUP(D3DVSDE_TEXCOORD5,    D3DDECLUSAGE_BLENDWEIGHT, 5);
 290     MAKE_LOOKUP(D3DVSDE_TEXCOORD6,    D3DDECLUSAGE_BLENDWEIGHT, 6);
 291     MAKE_LOOKUP(D3DVSDE_TEXCOORD7,    D3DDECLUSAGE_BLENDWEIGHT, 7);
 292
 293     #undef MAKE_LOOKUP
 294     TRACE("(%p) :  pDecl(%p)\n", This, pDecl);
 295     /* Convert from a directx* declaration into a directx9 one, so we only have to deal with one type of declaration everywhere else */
 296     while (D3DVSD_END() != *pToken) {
 297         token = *pToken;
 298         tokenlen = IWineD3DVertexDeclarationImpl_ParseToken8(pToken);
 299         tokentype = ((token & D3DVSD_TOKENTYPEMASK) >> D3DVSD_TOKENTYPESHIFT);
 300
 301         if (D3DVSD_TOKEN_STREAM == tokentype && 0 == (D3DVSD_STREAMTESSMASK & token)) {
 302         /**
 303         * how really works streams,
 304         *  in DolphinVS dx8 dsk sample they seems to decal reg numbers !!!
 305         */
 306         stream = ((token & D3DVSD_STREAMNUMBERMASK) >> D3DVSD_STREAMNUMBERSHIFT);
 307
 308         } else if (D3DVSD_TOKEN_STREAMDATA == tokentype && 0 == (0x10000000 & tokentype)) {
 309             DWORD type = ((token & D3DVSD_DATATYPEMASK)  >> D3DVSD_DATATYPESHIFT);
 310             DWORD reg  = ((token & D3DVSD_VERTEXREGMASK) >> D3DVSD_VERTEXREGSHIFT);
 311
 312             convTo9[nTokens].Stream     = stream;
 313             convTo9[nTokens].Method     = D3DDECLMETHOD_DEFAULT;
 314             convTo9[nTokens].Usage      = decl8to9Lookup[reg].usage;
 315             convTo9[nTokens].UsageIndex = decl8to9Lookup[reg].usageIndex;
 316             convTo9[nTokens].Type       = type;
 317             ++nTokens;
 318         }/* TODO: Constants. */
 319         len += tokenlen;
 320         pToken += tokenlen;
 321     }
 322
 323   /* here D3DVSD_END() */
 324   len +=  IWineD3DVertexDeclarationImpl_ParseToken8(pToken);
 325
 326   convTo9[nTokens].Stream = 0xFF;
 327   convTo9[nTokens].Type = D3DDECLTYPE_UNUSED;
 328
 329   /* compute size */
 330   This->declaration8Length = len * sizeof(DWORD);
 331   /* copy the declaration */
 332   This->pDeclaration8 = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->declaration8Length);
 333   memcpy(This->pDeclaration8, pDecl, This->declaration8Length);
 334
 335   /* compute convTo9 size */
 336   This->declaration9NumElements = nTokens;
 337   /* copy the convTo9 declaration */
 338   This->pDeclaration9 = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nTokens * sizeof(D3DVERTEXELEMENT9));
 339   memcpy(This->pDeclaration9, convTo9, nTokens * sizeof(D3DVERTEXELEMENT9));
 340 #if 0 /* TODO: This looks like overkill so I've removed it. */
 341   {
 342     D3DVERTEXELEMENT9* pIt = This->pDeclaration9;
 343     TRACE("dumping of D3D9 Conversion:\n");
 344     while (0xFF != pIt->Stream) {
 345       IWineD3DVertexDeclarationImpl_ParseToken9(pIt);
 346       ++pIt;
 347     }
 348     IWineD3DVertexDeclarationImpl_ParseToken9(pIt);
 349   }
 350 #endif
 351   /* returns */
 352   return D3D_OK;
 353 }
 354
 355 static HRESULT IWineD3DVertexDeclarationImpl_ParseDeclaration9(IWineD3DVertexDeclaration* iface, const D3DVERTEXELEMENT9* pDecl) {
 356     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 357     const D3DVERTEXELEMENT9* pToken = pDecl;
 358
 359     TRACE("(%p) :  pDecl(%p)\n", This, pDecl);
 360
 361     This->declaration9NumElements = 1;
 362     for(pToken = pDecl;0xFF != pToken->Stream && This->declaration9NumElements < 128 ; pToken++) This->declaration9NumElements++;
 363
 364     if (This->declaration9NumElements == 128) {
 365         FIXME("?(%p) Error parsing vertex declaration\n", This);
 366         return D3DERR_INVALIDCALL;
 367     }
 368
 369
 370     /* copy the declaration */
 371     This->pDeclaration9 = HeapAlloc(GetProcessHeap(), 0, This->declaration9NumElements * sizeof(D3DVERTEXELEMENT9));
 372     memcpy(This->pDeclaration9, pDecl, This->declaration9NumElements * sizeof(D3DVERTEXELEMENT9));
 373
 374
 375   return D3D_OK;
 376 }
 377
 378 /* *******************************************
 379    IWineD3DVertexDeclaration IUnknown parts follow
 380    ******************************************* */
 381 HRESULT WINAPI IWineD3DVertexDeclarationImpl_QueryInterface(IWineD3DVertexDeclaration *iface, REFIID riid, LPVOID *ppobj)
 382 {
 383     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 384     TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(riid),ppobj);
 385     if (IsEqualGUID(riid, &IID_IUnknown)
 386         || IsEqualGUID(riid, &IID_IWineD3DVertexDeclaration)){
 387         IUnknown_AddRef(iface);
 388         *ppobj = This;
 389         return D3D_OK;
 390     }
 391     return E_NOINTERFACE;
 392 }
 393
 394 ULONG WINAPI IWineD3DVertexDeclarationImpl_AddRef(IWineD3DVertexDeclaration *iface) {
 395     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 396     TRACE("(%p) : AddRef increasing from %ld\n", This, This->ref);
 397     return InterlockedIncrement(&This->ref);
 398 }
 399
 400 ULONG WINAPI IWineD3DVertexDeclarationImpl_Release(IWineD3DVertexDeclaration *iface) {
 401     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 402     ULONG ref;
 403     TRACE("(%p) : Releasing from %ld\n", This, This->ref);
 404     ref = InterlockedDecrement(&This->ref);
 405     if (ref == 0) {
 406       HeapFree(GetProcessHeap(), 0, This->pDeclaration8);
 407       HeapFree(GetProcessHeap(), 0, This->pDeclaration9);
 408       HeapFree(GetProcessHeap(), 0, This);
 409     }
 410     return ref;
 411 }
 412
 413 /* *******************************************
 414    IWineD3DVertexDeclaration parts follow
 415    ******************************************* */
 416
 417 HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetParent(IWineD3DVertexDeclaration *iface, IUnknown** parent){
 418     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 419
 420     *parent= (IUnknown*) parent;
 421     IUnknown_AddRef(*parent);
 422     TRACE("(%p) : returning %p\n", This, *parent);
 423     return D3D_OK;
 424 }
 425
 426 HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDevice(IWineD3DVertexDeclaration *iface, IWineD3DDevice** ppDevice) {
 427     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 428     TRACE("(%p) : returning %p\n", This, This->wineD3DDevice);
 429
 430     *ppDevice = (IWineD3DDevice *) This->wineD3DDevice;
 431     IWineD3DDevice_AddRef(*ppDevice);
 432
 433     return D3D_OK;
 434 }
 435
 436 static HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDeclaration8(IWineD3DVertexDeclaration* iface, DWORD* pData, DWORD* pSizeOfData) {
 437     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 438     if (NULL == pData) {
 439         *pSizeOfData = This->declaration8Length;
 440         return D3D_OK;
 441     }
 442
 443     /* The Incredibles and Teenage Mutant Ninja Turtles require this in d3d9 for NumElements == 0,
 444     TODO: this needs to be tested against windows */
 445     if(*pSizeOfData == 0) {
 446         TRACE("(%p) : Requested the vertex declaration without specefying the size of the return buffer\n", This);
 447         *pSizeOfData = This->declaration8Length;
 448         memcpy(pData, This->pDeclaration8, This->declaration8Length);
 449         return D3D_OK;
 450     }
 451
 452     if (*pSizeOfData < This->declaration8Length) {
 453         FIXME("(%p) : Returning D3DERR_MOREDATA numElements %ld expected %ld\n", iface, *pSizeOfData, This->declaration8Length);
 454         *pSizeOfData = This->declaration8Length;
 455         return D3DERR_MOREDATA;
 456     }
 457     TRACE("(%p) : GetVertexDeclaration8 copying to %p\n", This, pData);
 458     memcpy(pData, This->pDeclaration8, This->declaration8Length);
 459     return D3D_OK;
 460 }
 461
 462 HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDeclaration9(IWineD3DVertexDeclaration* iface,  D3DVERTEXELEMENT9* pData, DWORD* pNumElements) {
 463     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 464     if (NULL == pData) {
 465         *pNumElements = This->declaration9NumElements;
 466         TRACE("(%p) : Returning numElements %ld\n", iface, *pNumElements);
 467         return D3D_OK;
 468     }
 469
 470     /* The Incredibles and Teenage Mutant Ninja Turtles require this for NumElements == 0,
 471     TODO: this needs to be tested against windows */
 472     if(*pNumElements == 0) {
 473         TRACE("(%p) : Requested the vertex declaration without specefying the size of the return buffer\n", This);
 474         *pNumElements = This->declaration9NumElements;
 475         memcpy(pData, This->pDeclaration9, *pNumElements * sizeof(*pData));
 476         return D3D_OK;
 477     }
 478
 479     /* just in case there's a similar problem to The Incredibles and Teenage Mutant Ninja Turtles without pNumElements = 0 */
 480     if (*pNumElements < This->declaration9NumElements) {
 481         *pNumElements = This->declaration9NumElements;
 482         FIXME("(%p) : Returning D3DERR_MOREDATA numElements %ld expected %u\n", iface, *pNumElements, This->declaration9NumElements);
 483         memcpy(pData, This->pDeclaration9, *pNumElements * sizeof(*pData));
 484         return D3DERR_MOREDATA;
 485     }
 486     TRACE("(%p) : GetVertexDeclaration9 copying to %p\n", This, pData);
 487     memcpy(pData, This->pDeclaration9, This->declaration9NumElements * sizeof(*pData));
 488     return D3D_OK;
 489 }
 490
 491 HRESULT WINAPI IWineD3DVertexDeclarationImpl_GetDeclaration(IWineD3DVertexDeclaration *iface, VOID *pData, DWORD *pSize) {
 492     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 493     HRESULT hr = D3D_OK;
 494
 495     TRACE("(%p) : d3d version %d r\n", This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion);
 496     switch (((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion) {
 497     case 8:
 498         hr = IWineD3DVertexDeclarationImpl_GetDeclaration8(iface, (DWORD *)pData, pSize);
 499     break;
 500     case 9:
 501         hr = IWineD3DVertexDeclarationImpl_GetDeclaration9(iface, (D3DVERTEXELEMENT9 *)pData, pSize);
 502     break;
 503     default:
 504         FIXME("(%p)  : Unsupport DirectX version %u\n", This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion);
 505     break;
 506     }
 507     return hr;
 508 }
 509
 510 HRESULT WINAPI IWineD3DVertexDeclarationImpl_SetDeclaration(IWineD3DVertexDeclaration *iface, VOID *pDecl) {
 511     IWineD3DVertexDeclarationImpl *This = (IWineD3DVertexDeclarationImpl *)iface;
 512     HRESULT hr = D3D_OK;
 513
 514     TRACE("(%p) : d3d version %d\n", This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion);
 515     switch (((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion) {
 516     case 8:
 517         TRACE("Parsing declatation 8\n");
 518         hr = IWineD3DVertexDeclarationImpl_ParseDeclaration8(iface, (CONST DWORD *)pDecl);
 519     break;
 520     case 9:
 521         FIXME("Parsing declatation 9\n");
 522         hr = IWineD3DVertexDeclarationImpl_ParseDeclaration9(iface, (CONST D3DVERTEXELEMENT9 *)pDecl);
 523     break;
 524     default:
 525         FIXME("(%p)  : Unsupport DirectX version %u\n", This, ((IWineD3DImpl *)This->wineD3DDevice->wineD3D)->dxVersion);
 526     break;
 527     }
 528     TRACE("Returning\n");
 529     return hr;
 530 }
 531
 532 const IWineD3DVertexDeclarationVtbl IWineD3DVertexDeclaration_Vtbl =
 533 {
 534     /* IUnknown */
 535     IWineD3DVertexDeclarationImpl_QueryInterface,
 536     IWineD3DVertexDeclarationImpl_AddRef,
 537     IWineD3DVertexDeclarationImpl_Release,
 538     /* IWineD3DVertexDeclaration */
 539     IWineD3DVertexDeclarationImpl_GetParent,
 540     IWineD3DVertexDeclarationImpl_GetDevice,
 541     IWineD3DVertexDeclarationImpl_GetDeclaration,
 542     IWineD3DVertexDeclarationImpl_SetDeclaration
 543 };