dlls/d3d9/vertexdeclaration.c

   1 /*
   2  * IDirect3DVertexDeclaration9 implementation
   3  *
   4  * Copyright 2002-2003 Raphael Junqueira
   5  *                     Jason Edmeades
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "d3d9_private.h"
  24
  25 WINE_DEFAULT_DEBUG_CHANNEL(d3d9);
  26
  27 typedef struct _D3DDECLTYPE_INFO {
  28     D3DDECLTYPE d3dType;
  29     int         size;
  30     int         typesize;
  31 } D3DDECLTYPE_INFO;
  32
  33 static D3DDECLTYPE_INFO const d3d_dtype_lookup[D3DDECLTYPE_UNUSED] = {
  34    {D3DDECLTYPE_FLOAT1,    1, sizeof(float)},
  35    {D3DDECLTYPE_FLOAT2,    2, sizeof(float)},
  36    {D3DDECLTYPE_FLOAT3,    3, sizeof(float)},
  37    {D3DDECLTYPE_FLOAT4,    4, sizeof(float)},
  38    {D3DDECLTYPE_D3DCOLOR,  4, sizeof(BYTE)},
  39    {D3DDECLTYPE_UBYTE4,    4, sizeof(BYTE)},
  40    {D3DDECLTYPE_SHORT2,    2, sizeof(short int)},
  41    {D3DDECLTYPE_SHORT4,    4, sizeof(short int)},
  42    {D3DDECLTYPE_UBYTE4N,   4, sizeof(BYTE)},
  43    {D3DDECLTYPE_SHORT2N,   2, sizeof(short int)},
  44    {D3DDECLTYPE_SHORT4N,   4, sizeof(short int)},
  45    {D3DDECLTYPE_USHORT2N,  2, sizeof(short int)},
  46    {D3DDECLTYPE_USHORT4N,  4, sizeof(short int)},
  47    {D3DDECLTYPE_UDEC3,     3, sizeof(short int)},
  48    {D3DDECLTYPE_DEC3N,     3, sizeof(short int)},
  49    {D3DDECLTYPE_FLOAT16_2, 2, sizeof(short int)},
  50    {D3DDECLTYPE_FLOAT16_4, 4, sizeof(short int)}};
  51
  52 #define D3D_DECL_SIZE(type)          d3d_dtype_lookup[type].size
  53 #define D3D_DECL_TYPESIZE(type)      d3d_dtype_lookup[type].typesize
  54
  55 HRESULT vdecl_convert_fvf(
  56     DWORD fvf,
  57     D3DVERTEXELEMENT9** ppVertexElements) {
  58
  59     unsigned int idx, idx2;
  60     unsigned int offset;
  61     BOOL has_pos = (fvf & D3DFVF_POSITION_MASK) != 0;
  62     BOOL has_blend = (fvf & D3DFVF_XYZB5) > D3DFVF_XYZRHW;
  63     BOOL has_blend_idx = has_blend &&
  64        (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB5) ||
  65         (fvf & D3DFVF_LASTBETA_D3DCOLOR) ||
  66         (fvf & D3DFVF_LASTBETA_UBYTE4));
  67     BOOL has_normal = (fvf & D3DFVF_NORMAL) != 0;
  68     BOOL has_psize = (fvf & D3DFVF_PSIZE) != 0;
  69
  70     BOOL has_diffuse = (fvf & D3DFVF_DIFFUSE) != 0;
  71     BOOL has_specular = (fvf & D3DFVF_SPECULAR) !=0;
  72
  73     DWORD num_textures = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
  74     DWORD texcoords = (fvf & 0xFFFF0000) >> 16;
  75
  76     D3DVERTEXELEMENT9 end_element = D3DDECL_END();
  77     D3DVERTEXELEMENT9 *elements = NULL;
  78
  79     unsigned int size;
  80     DWORD num_blends = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
  81     if (has_blend_idx) num_blends--;
  82
  83     /* Compute declaration size */
  84     size = has_pos + (has_blend && num_blends > 0) + has_blend_idx + has_normal +
  85            has_psize + has_diffuse + has_specular + num_textures + 1;
  86
  87     /* convert the declaration */
  88     elements = HeapAlloc(GetProcessHeap(), 0, size * sizeof(D3DVERTEXELEMENT9));
  89     if (!elements)
  90         return D3DERR_OUTOFVIDEOMEMORY;
  91
  92     elements[size-1] = end_element;
  93     idx = 0;
  94     if (has_pos) {
  95         if (!has_blend && (fvf & D3DFVF_XYZRHW)) {
  96             elements[idx].Type = D3DDECLTYPE_FLOAT4;
  97             elements[idx].Usage = D3DDECLUSAGE_POSITIONT;
  98         }
  99         else if (!has_blend && (fvf & D3DFVF_XYZW) == D3DFVF_XYZW) {
 100             elements[idx].Type = D3DDECLTYPE_FLOAT4;
 101             elements[idx].Usage = D3DDECLUSAGE_POSITION;
 102         }
 103         else {
 104             elements[idx].Type = D3DDECLTYPE_FLOAT3;
 105             elements[idx].Usage = D3DDECLUSAGE_POSITION;
 106         }
 107         elements[idx].UsageIndex = 0;
 108         idx++;
 109     }
 110     if (has_blend && (num_blends > 0)) {
 111         if (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR))
 112             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 113         else {
 114             switch(num_blends) {
 115                 case 1: elements[idx].Type = D3DDECLTYPE_FLOAT1; break;
 116                 case 2: elements[idx].Type = D3DDECLTYPE_FLOAT2; break;
 117                 case 3: elements[idx].Type = D3DDECLTYPE_FLOAT3; break;
 118                 case 4: elements[idx].Type = D3DDECLTYPE_FLOAT4; break;
 119                 default:
 120                     ERR("Unexpected amount of blend values: %u\n", num_blends);
 121             }
 122         }
 123         elements[idx].Usage = D3DDECLUSAGE_BLENDWEIGHT;
 124         elements[idx].UsageIndex = 0;
 125         idx++;
 126     }
 127     if (has_blend_idx) {
 128         if (fvf & D3DFVF_LASTBETA_UBYTE4 ||
 129             (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR)))
 130             elements[idx].Type = D3DDECLTYPE_UBYTE4;
 131         else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
 132             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 133         else
 134             elements[idx].Type = D3DDECLTYPE_FLOAT1;
 135         elements[idx].Usage = D3DDECLUSAGE_BLENDINDICES;
 136         elements[idx].UsageIndex = 0;
 137         idx++;
 138     }
 139     if (has_normal) {
 140         elements[idx].Type = D3DDECLTYPE_FLOAT3;
 141         elements[idx].Usage = D3DDECLUSAGE_NORMAL;
 142         elements[idx].UsageIndex = 0;
 143         idx++;
 144     }
 145     if (has_psize) {
 146         elements[idx].Type = D3DDECLTYPE_FLOAT1;
 147         elements[idx].Usage = D3DDECLUSAGE_PSIZE;
 148         elements[idx].UsageIndex = 0;
 149         idx++;
 150     }
 151     if (has_diffuse) {
 152         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 153         elements[idx].Usage = D3DDECLUSAGE_COLOR;
 154         elements[idx].UsageIndex = 0;
 155         idx++;
 156     }
 157     if (has_specular) {
 158         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 159         elements[idx].Usage = D3DDECLUSAGE_COLOR;
 160         elements[idx].UsageIndex = 1;
 161         idx++;
 162     }
 163     for (idx2 = 0; idx2 < num_textures; idx2++) {
 164         unsigned int numcoords = (texcoords >> (idx2*2)) & 0x03;
 165         switch (numcoords) {
 166             case D3DFVF_TEXTUREFORMAT1:
 167                 elements[idx].Type = D3DDECLTYPE_FLOAT1;
 168                 break;
 169             case D3DFVF_TEXTUREFORMAT2:
 170                 elements[idx].Type = D3DDECLTYPE_FLOAT2;
 171                 break;
 172             case D3DFVF_TEXTUREFORMAT3:
 173                 elements[idx].Type = D3DDECLTYPE_FLOAT3;
 174                 break;
 175             case D3DFVF_TEXTUREFORMAT4:
 176                 elements[idx].Type = D3DDECLTYPE_FLOAT4;
 177                 break;
 178         }
 179         elements[idx].Usage = D3DDECLUSAGE_TEXCOORD;
 180         elements[idx].UsageIndex = idx2;
 181         idx++;
 182     }
 183
 184     /* Now compute offsets, and initialize the rest of the fields */
 185     for (idx = 0, offset = 0; idx < size-1; idx++) {
 186         elements[idx].Stream = 0;
 187         elements[idx].Method = D3DDECLMETHOD_DEFAULT;
 188         elements[idx].Offset = offset;
 189         offset += D3D_DECL_SIZE(elements[idx].Type) * D3D_DECL_TYPESIZE(elements[idx].Type);
 190     }
 191
 192     *ppVertexElements = elements;
 193     return D3D_OK;
 194 }
 195
 196 /* IDirect3DVertexDeclaration9 IUnknown parts follow: */
 197 static HRESULT WINAPI IDirect3DVertexDeclaration9Impl_QueryInterface(LPDIRECT3DVERTEXDECLARATION9 iface, REFIID riid, LPVOID* ppobj) {
 198     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
 199
 200     if (IsEqualGUID(riid, &IID_IUnknown)
 201         || IsEqualGUID(riid, &IID_IDirect3DVertexDeclaration9)) {
 202         IDirect3DVertexDeclaration9_AddRef(iface);
 203         *ppobj = This;
 204         return S_OK;
 205     }
 206
 207     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
 208     *ppobj = NULL;
 209     return E_NOINTERFACE;
 210 }
 211
 212 static ULONG WINAPI IDirect3DVertexDeclaration9Impl_AddRef(LPDIRECT3DVERTEXDECLARATION9 iface) {
 213     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
 214     ULONG ref = InterlockedIncrement(&This->ref);
 215
 216     TRACE("(%p) : AddRef from %d\n", This, ref - 1);
 217
 218     if(ref == 1) {
 219         IDirect3DDevice9Ex_AddRef(This->parentDevice);
 220     }
 221
 222     return ref;
 223 }
 224
 225 void IDirect3DVertexDeclaration9Impl_Destroy(LPDIRECT3DVERTEXDECLARATION9 iface) {
 226     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
 227
 228     if(This->ref != 0) {
 229         /* Should not happen unless wine has a bug or the application releases references it does not own */
 230         ERR("Destroying vdecl with ref != 0\n");
 231     }
 232     EnterCriticalSection(&d3d9_cs);
 233     IWineD3DVertexDeclaration_Release(This->wineD3DVertexDeclaration);
 234     LeaveCriticalSection(&d3d9_cs);
 235     HeapFree(GetProcessHeap(), 0, This->elements);
 236     HeapFree(GetProcessHeap(), 0, This);
 237 }
 238
 239 static ULONG WINAPI IDirect3DVertexDeclaration9Impl_Release(LPDIRECT3DVERTEXDECLARATION9 iface) {
 240     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
 241     ULONG ref = InterlockedDecrement(&This->ref);
 242
 243     TRACE("(%p) : ReleaseRef to %d\n", This, ref);
 244
 245     if (ref == 0) {
 246         IDirect3DDevice9Ex *parentDevice = This->parentDevice;
 247
 248         if(!This->convFVF) {
 249             IDirect3DVertexDeclaration9Impl_Release(iface);
 250         }
 251         IDirect3DDevice9Ex_Release(parentDevice);
 252     }
 253     return ref;
 254 }
 255
 256 /* IDirect3DVertexDeclaration9 Interface follow: */
 257 static HRESULT WINAPI IDirect3DVertexDeclaration9Impl_GetDevice(LPDIRECT3DVERTEXDECLARATION9 iface, IDirect3DDevice9** ppDevice) {
 258     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
 259     IWineD3DDevice *myDevice = NULL;
 260     HRESULT hr = D3D_OK;
 261
 262     TRACE("(%p) : Relay\n", iface);
 263
 264     EnterCriticalSection(&d3d9_cs);
 265     hr = IWineD3DVertexDeclaration_GetDevice(This->wineD3DVertexDeclaration, &myDevice);
 266     if (hr == D3D_OK && myDevice != NULL) {
 267         hr = IWineD3DDevice_GetParent(myDevice, (IUnknown **)ppDevice);
 268         IWineD3DDevice_Release(myDevice);
 269     }
 270     LeaveCriticalSection(&d3d9_cs);
 271     return hr;
 272 }
 273
 274 static HRESULT WINAPI IDirect3DVertexDeclaration9Impl_GetDeclaration(LPDIRECT3DVERTEXDECLARATION9 iface, D3DVERTEXELEMENT9* pDecl, UINT* pNumElements) {
 275     IDirect3DVertexDeclaration9Impl *This = (IDirect3DVertexDeclaration9Impl *)iface;
 276
 277     TRACE("(%p) : pDecl %p, pNumElements %p)\n", This, pDecl, pNumElements);
 278
 279     *pNumElements = This->element_count;
 280
 281     /* Passing a NULL pDecl is used to just retrieve the number of elements */
 282     if (!pDecl) {
 283         TRACE("NULL pDecl passed. Returning D3D_OK.\n");
 284         return D3D_OK;
 285     }
 286
 287     TRACE("Copying %p to %p\n", This->elements, pDecl);
 288     CopyMemory(pDecl, This->elements, This->element_count * sizeof(D3DVERTEXELEMENT9));
 289
 290     return D3D_OK;
 291 }
 292
 293 static const IDirect3DVertexDeclaration9Vtbl Direct3DVertexDeclaration9_Vtbl =
 294 {
 295     /* IUnknown */
 296     IDirect3DVertexDeclaration9Impl_QueryInterface,
 297     IDirect3DVertexDeclaration9Impl_AddRef,
 298     IDirect3DVertexDeclaration9Impl_Release,
 299     /* IDirect3DVertexDeclaration9 */
 300     IDirect3DVertexDeclaration9Impl_GetDevice,
 301     IDirect3DVertexDeclaration9Impl_GetDeclaration
 302 };
 303
 304 static UINT convert_to_wined3d_declaration(const D3DVERTEXELEMENT9* d3d9_elements, WINED3DVERTEXELEMENT **wined3d_elements) {
 305     const D3DVERTEXELEMENT9* element;
 306     UINT element_count = 1;
 307     UINT i;
 308
 309     TRACE("d3d9_elements %p, wined3d_elements %p\n", d3d9_elements, wined3d_elements);
 310
 311     element = d3d9_elements;
 312     while (element++->Stream != 0xff && element_count++ < 128);
 313
 314     if (element_count == 128) {
 315         return 0;
 316     }
 317
 318     *wined3d_elements = HeapAlloc(GetProcessHeap(), 0, element_count * sizeof(WINED3DVERTEXELEMENT));
 319     if (!*wined3d_elements) {
 320         FIXME("Memory allocation failed\n");
 321         return 0;
 322     }
 323
 324     for (i = 0; i < element_count; ++i) {
 325         CopyMemory(*wined3d_elements + i, d3d9_elements + i, sizeof(D3DVERTEXELEMENT9));
 326         (*wined3d_elements)[i].Reg = -1;
 327     }
 328
 329     return element_count;
 330 }
 331
 332 /* IDirect3DDevice9 IDirect3DVertexDeclaration9 Methods follow: */
 333 HRESULT  WINAPI  IDirect3DDevice9Impl_CreateVertexDeclaration(LPDIRECT3DDEVICE9EX iface, CONST D3DVERTEXELEMENT9* pVertexElements, IDirect3DVertexDeclaration9** ppDecl) {
 334
 335     IDirect3DDevice9Impl *This = (IDirect3DDevice9Impl *)iface;
 336     IDirect3DVertexDeclaration9Impl *object = NULL;
 337     WINED3DVERTEXELEMENT* wined3d_elements;
 338     UINT element_count;
 339     HRESULT hr = D3D_OK;
 340
 341     TRACE("(%p) : Relay\n", iface);
 342     if (NULL == ppDecl) {
 343         WARN("(%p) : Caller passed NULL As ppDecl, returning D3DERR_INVALIDCALL\n",This);
 344         return D3DERR_INVALIDCALL;
 345     }
 346
 347     element_count = convert_to_wined3d_declaration(pVertexElements, &wined3d_elements);
 348     if (!element_count) {
 349         FIXME("(%p) : Error parsing vertex declaration\n", This);
 350         return D3DERR_INVALIDCALL;
 351     }
 352
 353     /* Allocate the storage for the device */
 354     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DVertexDeclaration9Impl));
 355     if (NULL == object) {
 356         HeapFree(GetProcessHeap(), 0, wined3d_elements);
 357         FIXME("Allocation of memory failed, returning D3DERR_OUTOFVIDEOMEMORY\n");
 358         return D3DERR_OUTOFVIDEOMEMORY;
 359     }
 360
 361     object->lpVtbl = &Direct3DVertexDeclaration9_Vtbl;
 362     object->ref = 0;
 363
 364     object->elements = HeapAlloc(GetProcessHeap(), 0, element_count * sizeof(D3DVERTEXELEMENT9));
 365     if (!object->elements) {
 366         HeapFree(GetProcessHeap(), 0, wined3d_elements);
 367         HeapFree(GetProcessHeap(), 0, object);
 368         ERR("Memory allocation failed\n");
 369         return D3DERR_OUTOFVIDEOMEMORY;
 370     }
 371     CopyMemory(object->elements, pVertexElements, element_count * sizeof(D3DVERTEXELEMENT9));
 372     object->element_count = element_count;
 373
 374     EnterCriticalSection(&d3d9_cs);
 375     hr = IWineD3DDevice_CreateVertexDeclaration(This->WineD3DDevice, &object->wineD3DVertexDeclaration, (IUnknown *)object, wined3d_elements, element_count);
 376     LeaveCriticalSection(&d3d9_cs);
 377
 378     HeapFree(GetProcessHeap(), 0, wined3d_elements);
 379
 380     if (FAILED(hr)) {
 381
 382         /* free up object */
 383         WARN("(%p) call to IWineD3DDevice_CreateVertexDeclaration failed\n", This);
 384         HeapFree(GetProcessHeap(), 0, object->elements);
 385         HeapFree(GetProcessHeap(), 0, object);
 386     } else {
 387         object->parentDevice = iface;
 388         *ppDecl = (LPDIRECT3DVERTEXDECLARATION9) object;
 389         IDirect3DVertexDeclaration9_AddRef(*ppDecl);
 390          TRACE("(%p) : Created vertex declaration %p\n", This, object);
 391     }
 392     return hr;
 393 }
 394
 395 HRESULT  WINAPI  IDirect3DDevice9Impl_SetVertexDeclaration(LPDIRECT3DDEVICE9EX iface, IDirect3DVertexDeclaration9* pDecl) {
 396     IDirect3DDevice9Impl *This = (IDirect3DDevice9Impl *)iface;
 397     IDirect3DVertexDeclaration9Impl *pDeclImpl = (IDirect3DVertexDeclaration9Impl *)pDecl;
 398     HRESULT hr = D3D_OK;
 399
 400     TRACE("(%p) : Relay\n", iface);
 401
 402     EnterCriticalSection(&d3d9_cs);
 403     hr = IWineD3DDevice_SetVertexDeclaration(This->WineD3DDevice, pDeclImpl == NULL ? NULL : pDeclImpl->wineD3DVertexDeclaration);
 404     LeaveCriticalSection(&d3d9_cs);
 405     return hr;
 406 }
 407
 408 HRESULT  WINAPI  IDirect3DDevice9Impl_GetVertexDeclaration(LPDIRECT3DDEVICE9EX iface, IDirect3DVertexDeclaration9** ppDecl) {
 409     IDirect3DDevice9Impl* This = (IDirect3DDevice9Impl*) iface;
 410     IWineD3DVertexDeclaration* pTest = NULL;
 411     HRESULT hr = D3D_OK;
 412
 413     TRACE("(%p) : Relay+\n", iface);
 414
 415     if (NULL == ppDecl) {
 416       return D3DERR_INVALIDCALL;
 417     }
 418
 419     *ppDecl = NULL;
 420     EnterCriticalSection(&d3d9_cs);
 421     hr = IWineD3DDevice_GetVertexDeclaration(This->WineD3DDevice, &pTest);
 422     if (hr == D3D_OK && NULL != pTest) {
 423         IWineD3DVertexDeclaration_GetParent(pTest, (IUnknown **)ppDecl);
 424         IWineD3DVertexDeclaration_Release(pTest);
 425     } else {
 426         *ppDecl = NULL;
 427     }
 428     LeaveCriticalSection(&d3d9_cs);
 429     TRACE("(%p) : returning %p\n", This, *ppDecl);
 430     return hr;
 431 }