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 static const struct
  28 {
  29     enum wined3d_format_id format;
  30     unsigned int component_count;
  31     unsigned int component_size;
  32 }
  33 d3d_dtype_lookup[] =
  34 {
  35     /* D3DDECLTYPE_FLOAT1    */ {WINED3DFMT_R32_FLOAT,          1, sizeof(float)},
  36     /* D3DDECLTYPE_FLOAT2    */ {WINED3DFMT_R32G32_FLOAT,       2, sizeof(float)},
  37     /* D3DDECLTYPE_FLOAT3    */ {WINED3DFMT_R32G32B32_FLOAT,    3, sizeof(float)},
  38     /* D3DDECLTYPE_FLOAT4    */ {WINED3DFMT_R32G32B32A32_FLOAT, 4, sizeof(float)},
  39     /* D3DDECLTYPE_D3DCOLOR  */ {WINED3DFMT_B8G8R8A8_UNORM,     4, sizeof(BYTE)},
  40     /* D3DDECLTYPE_UBYTE4    */ {WINED3DFMT_R8G8B8A8_UINT,      4, sizeof(BYTE)},
  41     /* D3DDECLTYPE_SHORT2    */ {WINED3DFMT_R16G16_SINT,        2, sizeof(short int)},
  42     /* D3DDECLTYPE_SHORT4    */ {WINED3DFMT_R16G16B16A16_SINT,  4, sizeof(short int)},
  43     /* D3DDECLTYPE_UBYTE4N   */ {WINED3DFMT_R8G8B8A8_UNORM,     4, sizeof(BYTE)},
  44     /* D3DDECLTYPE_SHORT2N   */ {WINED3DFMT_R16G16_SNORM,       2, sizeof(short int)},
  45     /* D3DDECLTYPE_SHORT4N   */ {WINED3DFMT_R16G16B16A16_SNORM, 4, sizeof(short int)},
  46     /* D3DDECLTYPE_USHORT2N  */ {WINED3DFMT_R16G16_UNORM,       2, sizeof(short int)},
  47     /* D3DDECLTYPE_USHORT4N  */ {WINED3DFMT_R16G16B16A16_UNORM, 4, sizeof(short int)},
  48     /* D3DDECLTYPE_UDEC3     */ {WINED3DFMT_R10G10B10A2_UINT,   3, sizeof(short int)},
  49     /* D3DDECLTYPE_DEC3N     */ {WINED3DFMT_R10G10B10A2_SNORM,  3, sizeof(short int)},
  50     /* D3DDECLTYPE_FLOAT16_2 */ {WINED3DFMT_R16G16_FLOAT,       2, sizeof(short int)},
  51     /* D3DDECLTYPE_FLOAT16_4 */ {WINED3DFMT_R16G16B16A16_FLOAT, 4, sizeof(short int)}
  52 };
  53
  54 static inline struct d3d9_vertex_declaration *impl_from_IDirect3DVertexDeclaration9(IDirect3DVertexDeclaration9 *iface)
  55 {
  56     return CONTAINING_RECORD(iface, struct d3d9_vertex_declaration, IDirect3DVertexDeclaration9_iface);
  57 }
  58
  59 HRESULT vdecl_convert_fvf(
  60     DWORD fvf,
  61     D3DVERTEXELEMENT9** ppVertexElements) {
  62
  63     unsigned int idx, idx2;
  64     unsigned int offset;
  65     BOOL has_pos = (fvf & D3DFVF_POSITION_MASK) != 0;
  66     BOOL has_blend = (fvf & D3DFVF_XYZB5) > D3DFVF_XYZRHW;
  67     BOOL has_blend_idx = has_blend &&
  68        (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB5) ||
  69         (fvf & D3DFVF_LASTBETA_D3DCOLOR) ||
  70         (fvf & D3DFVF_LASTBETA_UBYTE4));
  71     BOOL has_normal = (fvf & D3DFVF_NORMAL) != 0;
  72     BOOL has_psize = (fvf & D3DFVF_PSIZE) != 0;
  73
  74     BOOL has_diffuse = (fvf & D3DFVF_DIFFUSE) != 0;
  75     BOOL has_specular = (fvf & D3DFVF_SPECULAR) !=0;
  76
  77     DWORD num_textures = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
  78     DWORD texcoords = (fvf & 0xFFFF0000) >> 16;
  79
  80     D3DVERTEXELEMENT9 end_element = D3DDECL_END();
  81     D3DVERTEXELEMENT9 *elements = NULL;
  82
  83     unsigned int size;
  84     DWORD num_blends = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
  85     if (has_blend_idx) num_blends--;
  86
  87     /* Compute declaration size */
  88     size = has_pos + (has_blend && num_blends > 0) + has_blend_idx + has_normal +
  89            has_psize + has_diffuse + has_specular + num_textures + 1;
  90
  91     /* convert the declaration */
  92     elements = HeapAlloc(GetProcessHeap(), 0, size * sizeof(D3DVERTEXELEMENT9));
  93     if (!elements) return D3DERR_OUTOFVIDEOMEMORY;
  94
  95     elements[size-1] = end_element;
  96     idx = 0;
  97     if (has_pos) {
  98         if (!has_blend && (fvf & D3DFVF_XYZRHW)) {
  99             elements[idx].Type = D3DDECLTYPE_FLOAT4;
 100             elements[idx].Usage = D3DDECLUSAGE_POSITIONT;
 101         }
 102         else if (!has_blend && (fvf & D3DFVF_XYZW) == D3DFVF_XYZW) {
 103             elements[idx].Type = D3DDECLTYPE_FLOAT4;
 104             elements[idx].Usage = D3DDECLUSAGE_POSITION;
 105         }
 106         else {
 107             elements[idx].Type = D3DDECLTYPE_FLOAT3;
 108             elements[idx].Usage = D3DDECLUSAGE_POSITION;
 109         }
 110         elements[idx].UsageIndex = 0;
 111         idx++;
 112     }
 113     if (has_blend && (num_blends > 0)) {
 114         if (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR))
 115             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 116         else {
 117             switch(num_blends) {
 118                 case 1: elements[idx].Type = D3DDECLTYPE_FLOAT1; break;
 119                 case 2: elements[idx].Type = D3DDECLTYPE_FLOAT2; break;
 120                 case 3: elements[idx].Type = D3DDECLTYPE_FLOAT3; break;
 121                 case 4: elements[idx].Type = D3DDECLTYPE_FLOAT4; break;
 122                 default:
 123                     ERR("Unexpected amount of blend values: %u\n", num_blends);
 124             }
 125         }
 126         elements[idx].Usage = D3DDECLUSAGE_BLENDWEIGHT;
 127         elements[idx].UsageIndex = 0;
 128         idx++;
 129     }
 130     if (has_blend_idx) {
 131         if (fvf & D3DFVF_LASTBETA_UBYTE4 ||
 132             (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR)))
 133             elements[idx].Type = D3DDECLTYPE_UBYTE4;
 134         else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
 135             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 136         else
 137             elements[idx].Type = D3DDECLTYPE_FLOAT1;
 138         elements[idx].Usage = D3DDECLUSAGE_BLENDINDICES;
 139         elements[idx].UsageIndex = 0;
 140         idx++;
 141     }
 142     if (has_normal) {
 143         elements[idx].Type = D3DDECLTYPE_FLOAT3;
 144         elements[idx].Usage = D3DDECLUSAGE_NORMAL;
 145         elements[idx].UsageIndex = 0;
 146         idx++;
 147     }
 148     if (has_psize) {
 149         elements[idx].Type = D3DDECLTYPE_FLOAT1;
 150         elements[idx].Usage = D3DDECLUSAGE_PSIZE;
 151         elements[idx].UsageIndex = 0;
 152         idx++;
 153     }
 154     if (has_diffuse) {
 155         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 156         elements[idx].Usage = D3DDECLUSAGE_COLOR;
 157         elements[idx].UsageIndex = 0;
 158         idx++;
 159     }
 160     if (has_specular) {
 161         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 162         elements[idx].Usage = D3DDECLUSAGE_COLOR;
 163         elements[idx].UsageIndex = 1;
 164         idx++;
 165     }
 166     for (idx2 = 0; idx2 < num_textures; idx2++) {
 167         unsigned int numcoords = (texcoords >> (idx2*2)) & 0x03;
 168         switch (numcoords) {
 169             case D3DFVF_TEXTUREFORMAT1:
 170                 elements[idx].Type = D3DDECLTYPE_FLOAT1;
 171                 break;
 172             case D3DFVF_TEXTUREFORMAT2:
 173                 elements[idx].Type = D3DDECLTYPE_FLOAT2;
 174                 break;
 175             case D3DFVF_TEXTUREFORMAT3:
 176                 elements[idx].Type = D3DDECLTYPE_FLOAT3;
 177                 break;
 178             case D3DFVF_TEXTUREFORMAT4:
 179                 elements[idx].Type = D3DDECLTYPE_FLOAT4;
 180                 break;
 181         }
 182         elements[idx].Usage = D3DDECLUSAGE_TEXCOORD;
 183         elements[idx].UsageIndex = idx2;
 184         idx++;
 185     }
 186
 187     /* Now compute offsets, and initialize the rest of the fields */
 188     for (idx = 0, offset = 0; idx < size-1; idx++) {
 189         elements[idx].Stream = 0;
 190         elements[idx].Method = D3DDECLMETHOD_DEFAULT;
 191         elements[idx].Offset = offset;
 192         offset += d3d_dtype_lookup[elements[idx].Type].component_count
 193                 * d3d_dtype_lookup[elements[idx].Type].component_size;
 194     }
 195
 196     *ppVertexElements = elements;
 197     return D3D_OK;
 198 }
 199
 200 static HRESULT WINAPI d3d9_vertex_declaration_QueryInterface(IDirect3DVertexDeclaration9 *iface,
 201         REFIID riid, void **out)
 202 {
 203     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
 204
 205     if (IsEqualGUID(riid, &IID_IDirect3DVertexDeclaration9)
 206             || IsEqualGUID(riid, &IID_IUnknown))
 207     {
 208         IDirect3DVertexDeclaration9_AddRef(iface);
 209         *out = iface;
 210         return S_OK;
 211     }
 212
 213     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
 214
 215     *out = NULL;
 216     return E_NOINTERFACE;
 217 }
 218
 219 static ULONG WINAPI d3d9_vertex_declaration_AddRef(IDirect3DVertexDeclaration9 *iface)
 220 {
 221     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 222     ULONG refcount = InterlockedIncrement(&declaration->refcount);
 223
 224     TRACE("%p increasing refcount to %u.\n", iface, refcount);
 225
 226     if (refcount == 1)
 227     {
 228         IDirect3DDevice9Ex_AddRef(declaration->parent_device);
 229         wined3d_mutex_lock();
 230         wined3d_vertex_declaration_incref(declaration->wined3d_declaration);
 231         wined3d_mutex_unlock();
 232     }
 233
 234     return refcount;
 235 }
 236
 237 static ULONG WINAPI d3d9_vertex_declaration_Release(IDirect3DVertexDeclaration9 *iface)
 238 {
 239     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 240     ULONG refcount = InterlockedDecrement(&declaration->refcount);
 241
 242     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
 243
 244     if (!refcount)
 245     {
 246         IDirect3DDevice9Ex *parent_device = declaration->parent_device;
 247         wined3d_mutex_lock();
 248         wined3d_vertex_declaration_decref(declaration->wined3d_declaration);
 249         wined3d_mutex_unlock();
 250
 251         /* Release the device last, as it may cause the device to be destroyed. */
 252         IDirect3DDevice9Ex_Release(parent_device);
 253     }
 254
 255     return refcount;
 256 }
 257
 258 static HRESULT WINAPI d3d9_vertex_declaration_GetDevice(IDirect3DVertexDeclaration9 *iface, IDirect3DDevice9 **device)
 259 {
 260     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 261
 262     TRACE("iface %p, device %p.\n", iface, device);
 263
 264     *device = (IDirect3DDevice9 *)declaration->parent_device;
 265     IDirect3DDevice9_AddRef(*device);
 266
 267     TRACE("Returning device %p.\n", *device);
 268
 269     return D3D_OK;
 270 }
 271
 272 static HRESULT WINAPI d3d9_vertex_declaration_GetDeclaration(IDirect3DVertexDeclaration9 *iface,
 273         D3DVERTEXELEMENT9 *elements, UINT *element_count)
 274 {
 275     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 276
 277     TRACE("iface %p, elements %p, element_count %p.\n", iface, elements, element_count);
 278
 279     *element_count = declaration->element_count;
 280
 281     /* Passing a NULL elements is used to just retrieve the number of elements */
 282     if (!elements)
 283         return D3D_OK;
 284
 285     TRACE("Copying %p to %p.\n", declaration->elements, elements);
 286     memcpy(elements, declaration->elements, sizeof(*declaration->elements) * declaration->element_count);
 287
 288     return D3D_OK;
 289 }
 290
 291 static const struct IDirect3DVertexDeclaration9Vtbl d3d9_vertex_declaration_vtbl =
 292 {
 293     /* IUnknown */
 294     d3d9_vertex_declaration_QueryInterface,
 295     d3d9_vertex_declaration_AddRef,
 296     d3d9_vertex_declaration_Release,
 297     /* IDirect3DVertexDeclaration9 */
 298     d3d9_vertex_declaration_GetDevice,
 299     d3d9_vertex_declaration_GetDeclaration,
 300 };
 301
 302 struct d3d9_vertex_declaration *unsafe_impl_from_IDirect3DVertexDeclaration9(IDirect3DVertexDeclaration9 *iface)
 303 {
 304     if (!iface)
 305         return NULL;
 306     assert(iface->lpVtbl == &d3d9_vertex_declaration_vtbl);
 307     return CONTAINING_RECORD(iface, struct d3d9_vertex_declaration, IDirect3DVertexDeclaration9_iface);
 308 }
 309
 310 static void STDMETHODCALLTYPE d3d9_vertexdeclaration_wined3d_object_destroyed(void *parent)
 311 {
 312     struct d3d9_vertex_declaration *declaration = parent;
 313     HeapFree(GetProcessHeap(), 0, declaration->elements);
 314     HeapFree(GetProcessHeap(), 0, declaration);
 315 }
 316
 317 static const struct wined3d_parent_ops d3d9_vertexdeclaration_wined3d_parent_ops =
 318 {
 319     d3d9_vertexdeclaration_wined3d_object_destroyed,
 320 };
 321
 322 static HRESULT convert_to_wined3d_declaration(const D3DVERTEXELEMENT9 *d3d9_elements,
 323         struct wined3d_vertex_element **wined3d_elements, UINT *element_count)
 324 {
 325     const D3DVERTEXELEMENT9* element;
 326     UINT count = 1;
 327     UINT i;
 328
 329     TRACE("d3d9_elements %p, wined3d_elements %p\n", d3d9_elements, wined3d_elements);
 330
 331     element = d3d9_elements;
 332     while (element++->Stream != 0xff && count++ < 128);
 333
 334     if (count == 128) return E_FAIL;
 335
 336     /* Skip the END element */
 337     --count;
 338
 339     *wined3d_elements = HeapAlloc(GetProcessHeap(), 0, count * sizeof(**wined3d_elements));
 340     if (!*wined3d_elements) {
 341         FIXME("Memory allocation failed\n");
 342         return D3DERR_OUTOFVIDEOMEMORY;
 343     }
 344
 345     for (i = 0; i < count; ++i)
 346     {
 347         if (d3d9_elements[i].Type >= (sizeof(d3d_dtype_lookup) / sizeof(*d3d_dtype_lookup)))
 348         {
 349             WARN("Invalid element type %#x.\n", d3d9_elements[i].Type);
 350             HeapFree(GetProcessHeap(), 0, *wined3d_elements);
 351             return E_FAIL;
 352         }
 353         (*wined3d_elements)[i].format = d3d_dtype_lookup[d3d9_elements[i].Type].format;
 354         (*wined3d_elements)[i].input_slot = d3d9_elements[i].Stream;
 355         (*wined3d_elements)[i].offset = d3d9_elements[i].Offset;
 356         (*wined3d_elements)[i].output_slot = ~0U;
 357         (*wined3d_elements)[i].method = d3d9_elements[i].Method;
 358         (*wined3d_elements)[i].usage = d3d9_elements[i].Usage;
 359         (*wined3d_elements)[i].usage_idx = d3d9_elements[i].UsageIndex;
 360     }
 361
 362     *element_count = count;
 363
 364     return D3D_OK;
 365 }
 366
 367 static HRESULT vertexdeclaration_init(struct d3d9_vertex_declaration *declaration,
 368         struct d3d9_device *device, const D3DVERTEXELEMENT9 *elements)
 369 {
 370     struct wined3d_vertex_element *wined3d_elements;
 371     UINT wined3d_element_count;
 372     UINT element_count;
 373     HRESULT hr;
 374
 375     hr = convert_to_wined3d_declaration(elements, &wined3d_elements, &wined3d_element_count);
 376     if (FAILED(hr))
 377     {
 378         WARN("Failed to create wined3d vertex declaration elements, hr %#x.\n", hr);
 379         return hr;
 380     }
 381
 382     declaration->IDirect3DVertexDeclaration9_iface.lpVtbl = &d3d9_vertex_declaration_vtbl;
 383     declaration->refcount = 1;
 384
 385     element_count = wined3d_element_count + 1;
 386     declaration->elements = HeapAlloc(GetProcessHeap(), 0, element_count * sizeof(*declaration->elements));
 387     if (!declaration->elements)
 388     {
 389         HeapFree(GetProcessHeap(), 0, wined3d_elements);
 390         ERR("Failed to allocate vertex declaration elements memory.\n");
 391         return D3DERR_OUTOFVIDEOMEMORY;
 392     }
 393     memcpy(declaration->elements, elements, element_count * sizeof(*elements));
 394     declaration->element_count = element_count;
 395
 396     wined3d_mutex_lock();
 397     hr = wined3d_vertex_declaration_create(device->wined3d_device, wined3d_elements, wined3d_element_count,
 398             declaration, &d3d9_vertexdeclaration_wined3d_parent_ops, &declaration->wined3d_declaration);
 399     wined3d_mutex_unlock();
 400     HeapFree(GetProcessHeap(), 0, wined3d_elements);
 401     if (FAILED(hr))
 402     {
 403         HeapFree(GetProcessHeap(), 0, declaration->elements);
 404         WARN("Failed to create wined3d vertex declaration, hr %#x.\n", hr);
 405         return hr;
 406     }
 407
 408     declaration->parent_device = &device->IDirect3DDevice9Ex_iface;
 409     IDirect3DDevice9Ex_AddRef(declaration->parent_device);
 410
 411     return D3D_OK;
 412 }
 413
 414 HRESULT d3d9_vertex_declaration_create(struct d3d9_device *device,
 415         const D3DVERTEXELEMENT9 *elements, struct d3d9_vertex_declaration **declaration)
 416 {
 417     struct d3d9_vertex_declaration *object;
 418     HRESULT hr;
 419
 420     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
 421     if (!object)
 422         return E_OUTOFMEMORY;
 423
 424     hr = vertexdeclaration_init(object, device, elements);
 425     if (FAILED(hr))
 426     {
 427         WARN("Failed to initialize vertex declaration, hr %#x.\n", hr);
 428         HeapFree(GetProcessHeap(), 0, object);
 429         return hr;
 430     }
 431
 432     TRACE("Created vertex declaration %p.\n", object);
 433     *declaration = object;
 434
 435     return D3D_OK;
 436 }