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 "d3d9_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d3d9);
  25
  26 static const struct
  27 {
  28     enum wined3d_format_id format;
  29     unsigned int component_count;
  30     unsigned int component_size;
  31 }
  32 d3d_dtype_lookup[] =
  33 {
  34     /* D3DDECLTYPE_FLOAT1    */ {WINED3DFMT_R32_FLOAT,          1, sizeof(float)},
  35     /* D3DDECLTYPE_FLOAT2    */ {WINED3DFMT_R32G32_FLOAT,       2, sizeof(float)},
  36     /* D3DDECLTYPE_FLOAT3    */ {WINED3DFMT_R32G32B32_FLOAT,    3, sizeof(float)},
  37     /* D3DDECLTYPE_FLOAT4    */ {WINED3DFMT_R32G32B32A32_FLOAT, 4, sizeof(float)},
  38     /* D3DDECLTYPE_D3DCOLOR  */ {WINED3DFMT_B8G8R8A8_UNORM,     4, sizeof(BYTE)},
  39     /* D3DDECLTYPE_UBYTE4    */ {WINED3DFMT_R8G8B8A8_UINT,      4, sizeof(BYTE)},
  40     /* D3DDECLTYPE_SHORT2    */ {WINED3DFMT_R16G16_SINT,        2, sizeof(short int)},
  41     /* D3DDECLTYPE_SHORT4    */ {WINED3DFMT_R16G16B16A16_SINT,  4, sizeof(short int)},
  42     /* D3DDECLTYPE_UBYTE4N   */ {WINED3DFMT_R8G8B8A8_UNORM,     4, sizeof(BYTE)},
  43     /* D3DDECLTYPE_SHORT2N   */ {WINED3DFMT_R16G16_SNORM,       2, sizeof(short int)},
  44     /* D3DDECLTYPE_SHORT4N   */ {WINED3DFMT_R16G16B16A16_SNORM, 4, sizeof(short int)},
  45     /* D3DDECLTYPE_USHORT2N  */ {WINED3DFMT_R16G16_UNORM,       2, sizeof(short int)},
  46     /* D3DDECLTYPE_USHORT4N  */ {WINED3DFMT_R16G16B16A16_UNORM, 4, sizeof(short int)},
  47     /* D3DDECLTYPE_UDEC3     */ {WINED3DFMT_R10G10B10X2_UINT,   3, sizeof(short int)},
  48     /* D3DDECLTYPE_DEC3N     */ {WINED3DFMT_R10G10B10X2_SNORM,  3, sizeof(short int)},
  49     /* D3DDECLTYPE_FLOAT16_2 */ {WINED3DFMT_R16G16_FLOAT,       2, sizeof(short int)},
  50     /* D3DDECLTYPE_FLOAT16_4 */ {WINED3DFMT_R16G16B16A16_FLOAT, 4, sizeof(short int)}
  51 };
  52
  53 static inline struct d3d9_vertex_declaration *impl_from_IDirect3DVertexDeclaration9(IDirect3DVertexDeclaration9 *iface)
  54 {
  55     return CONTAINING_RECORD(iface, struct d3d9_vertex_declaration, IDirect3DVertexDeclaration9_iface);
  56 }
  57
  58 HRESULT vdecl_convert_fvf(
  59     DWORD fvf,
  60     D3DVERTEXELEMENT9** ppVertexElements) {
  61
  62     unsigned int idx, idx2;
  63     unsigned int offset;
  64     BOOL has_pos = (fvf & D3DFVF_POSITION_MASK) != 0;
  65     BOOL has_blend = (fvf & D3DFVF_XYZB5) > D3DFVF_XYZRHW;
  66     BOOL has_blend_idx = has_blend &&
  67        (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB5) ||
  68         (fvf & D3DFVF_LASTBETA_D3DCOLOR) ||
  69         (fvf & D3DFVF_LASTBETA_UBYTE4));
  70     BOOL has_normal = (fvf & D3DFVF_NORMAL) != 0;
  71     BOOL has_psize = (fvf & D3DFVF_PSIZE) != 0;
  72
  73     BOOL has_diffuse = (fvf & D3DFVF_DIFFUSE) != 0;
  74     BOOL has_specular = (fvf & D3DFVF_SPECULAR) !=0;
  75
  76     DWORD num_textures = (fvf & D3DFVF_TEXCOUNT_MASK) >> D3DFVF_TEXCOUNT_SHIFT;
  77     DWORD texcoords = (fvf & 0xFFFF0000) >> 16;
  78
  79     D3DVERTEXELEMENT9 end_element = D3DDECL_END();
  80     D3DVERTEXELEMENT9 *elements = NULL;
  81
  82     unsigned int size;
  83     DWORD num_blends = 1 + (((fvf & D3DFVF_XYZB5) - D3DFVF_XYZB1) >> 1);
  84     if (has_blend_idx) num_blends--;
  85
  86     /* Compute declaration size */
  87     size = has_pos + (has_blend && num_blends > 0) + has_blend_idx + has_normal +
  88            has_psize + has_diffuse + has_specular + num_textures + 1;
  89
  90     /* convert the declaration */
  91     if (!(elements = heap_alloc(size * sizeof(*elements))))
  92         return D3DERR_OUTOFVIDEOMEMORY;
  93
  94     elements[size-1] = end_element;
  95     idx = 0;
  96     if (has_pos) {
  97         if (!has_blend && (fvf & D3DFVF_XYZRHW)) {
  98             elements[idx].Type = D3DDECLTYPE_FLOAT4;
  99             elements[idx].Usage = D3DDECLUSAGE_POSITIONT;
 100         }
 101         else if (!has_blend && (fvf & D3DFVF_XYZW) == D3DFVF_XYZW) {
 102             elements[idx].Type = D3DDECLTYPE_FLOAT4;
 103             elements[idx].Usage = D3DDECLUSAGE_POSITION;
 104         }
 105         else {
 106             elements[idx].Type = D3DDECLTYPE_FLOAT3;
 107             elements[idx].Usage = D3DDECLUSAGE_POSITION;
 108         }
 109         elements[idx].UsageIndex = 0;
 110         idx++;
 111     }
 112     if (has_blend && (num_blends > 0)) {
 113         if (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR))
 114             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 115         else {
 116             switch(num_blends) {
 117                 case 1: elements[idx].Type = D3DDECLTYPE_FLOAT1; break;
 118                 case 2: elements[idx].Type = D3DDECLTYPE_FLOAT2; break;
 119                 case 3: elements[idx].Type = D3DDECLTYPE_FLOAT3; break;
 120                 case 4: elements[idx].Type = D3DDECLTYPE_FLOAT4; break;
 121                 default:
 122                     ERR("Unexpected amount of blend values: %u\n", num_blends);
 123             }
 124         }
 125         elements[idx].Usage = D3DDECLUSAGE_BLENDWEIGHT;
 126         elements[idx].UsageIndex = 0;
 127         idx++;
 128     }
 129     if (has_blend_idx) {
 130         if (fvf & D3DFVF_LASTBETA_UBYTE4 ||
 131             (((fvf & D3DFVF_XYZB5) == D3DFVF_XYZB2) && (fvf & D3DFVF_LASTBETA_D3DCOLOR)))
 132             elements[idx].Type = D3DDECLTYPE_UBYTE4;
 133         else if (fvf & D3DFVF_LASTBETA_D3DCOLOR)
 134             elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 135         else
 136             elements[idx].Type = D3DDECLTYPE_FLOAT1;
 137         elements[idx].Usage = D3DDECLUSAGE_BLENDINDICES;
 138         elements[idx].UsageIndex = 0;
 139         idx++;
 140     }
 141     if (has_normal) {
 142         elements[idx].Type = D3DDECLTYPE_FLOAT3;
 143         elements[idx].Usage = D3DDECLUSAGE_NORMAL;
 144         elements[idx].UsageIndex = 0;
 145         idx++;
 146     }
 147     if (has_psize) {
 148         elements[idx].Type = D3DDECLTYPE_FLOAT1;
 149         elements[idx].Usage = D3DDECLUSAGE_PSIZE;
 150         elements[idx].UsageIndex = 0;
 151         idx++;
 152     }
 153     if (has_diffuse) {
 154         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 155         elements[idx].Usage = D3DDECLUSAGE_COLOR;
 156         elements[idx].UsageIndex = 0;
 157         idx++;
 158     }
 159     if (has_specular) {
 160         elements[idx].Type = D3DDECLTYPE_D3DCOLOR;
 161         elements[idx].Usage = D3DDECLUSAGE_COLOR;
 162         elements[idx].UsageIndex = 1;
 163         idx++;
 164     }
 165     for (idx2 = 0; idx2 < num_textures; idx2++) {
 166         unsigned int numcoords = (texcoords >> (idx2*2)) & 0x03;
 167         switch (numcoords) {
 168             case D3DFVF_TEXTUREFORMAT1:
 169                 elements[idx].Type = D3DDECLTYPE_FLOAT1;
 170                 break;
 171             case D3DFVF_TEXTUREFORMAT2:
 172                 elements[idx].Type = D3DDECLTYPE_FLOAT2;
 173                 break;
 174             case D3DFVF_TEXTUREFORMAT3:
 175                 elements[idx].Type = D3DDECLTYPE_FLOAT3;
 176                 break;
 177             case D3DFVF_TEXTUREFORMAT4:
 178                 elements[idx].Type = D3DDECLTYPE_FLOAT4;
 179                 break;
 180         }
 181         elements[idx].Usage = D3DDECLUSAGE_TEXCOORD;
 182         elements[idx].UsageIndex = idx2;
 183         idx++;
 184     }
 185
 186     /* Now compute offsets, and initialize the rest of the fields */
 187     for (idx = 0, offset = 0; idx < size-1; idx++) {
 188         elements[idx].Stream = 0;
 189         elements[idx].Method = D3DDECLMETHOD_DEFAULT;
 190         elements[idx].Offset = offset;
 191         offset += d3d_dtype_lookup[elements[idx].Type].component_count
 192                 * d3d_dtype_lookup[elements[idx].Type].component_size;
 193     }
 194
 195     *ppVertexElements = elements;
 196     return D3D_OK;
 197 }
 198
 199 static HRESULT WINAPI d3d9_vertex_declaration_QueryInterface(IDirect3DVertexDeclaration9 *iface,
 200         REFIID riid, void **out)
 201 {
 202     TRACE("iface %p, riid %s, out %p.\n", iface, debugstr_guid(riid), out);
 203
 204     if (IsEqualGUID(riid, &IID_IDirect3DVertexDeclaration9)
 205             || IsEqualGUID(riid, &IID_IUnknown))
 206     {
 207         IDirect3DVertexDeclaration9_AddRef(iface);
 208         *out = iface;
 209         return S_OK;
 210     }
 211
 212     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
 213
 214     *out = NULL;
 215     return E_NOINTERFACE;
 216 }
 217
 218 static ULONG WINAPI d3d9_vertex_declaration_AddRef(IDirect3DVertexDeclaration9 *iface)
 219 {
 220     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 221     ULONG refcount = InterlockedIncrement(&declaration->refcount);
 222
 223     TRACE("%p increasing refcount to %u.\n", iface, refcount);
 224
 225     if (refcount == 1)
 226     {
 227         IDirect3DDevice9Ex_AddRef(declaration->parent_device);
 228         wined3d_mutex_lock();
 229         wined3d_vertex_declaration_incref(declaration->wined3d_declaration);
 230         wined3d_mutex_unlock();
 231     }
 232
 233     return refcount;
 234 }
 235
 236 static ULONG WINAPI d3d9_vertex_declaration_Release(IDirect3DVertexDeclaration9 *iface)
 237 {
 238     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 239     ULONG refcount = InterlockedDecrement(&declaration->refcount);
 240
 241     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
 242
 243     if (!refcount)
 244     {
 245         IDirect3DDevice9Ex *parent_device = declaration->parent_device;
 246         wined3d_mutex_lock();
 247         wined3d_vertex_declaration_decref(declaration->wined3d_declaration);
 248         wined3d_mutex_unlock();
 249
 250         /* Release the device last, as it may cause the device to be destroyed. */
 251         IDirect3DDevice9Ex_Release(parent_device);
 252     }
 253
 254     return refcount;
 255 }
 256
 257 static HRESULT WINAPI d3d9_vertex_declaration_GetDevice(IDirect3DVertexDeclaration9 *iface, IDirect3DDevice9 **device)
 258 {
 259     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 260
 261     TRACE("iface %p, device %p.\n", iface, device);
 262
 263     *device = (IDirect3DDevice9 *)declaration->parent_device;
 264     IDirect3DDevice9_AddRef(*device);
 265
 266     TRACE("Returning device %p.\n", *device);
 267
 268     return D3D_OK;
 269 }
 270
 271 static HRESULT WINAPI d3d9_vertex_declaration_GetDeclaration(IDirect3DVertexDeclaration9 *iface,
 272         D3DVERTEXELEMENT9 *elements, UINT *element_count)
 273 {
 274     struct d3d9_vertex_declaration *declaration = impl_from_IDirect3DVertexDeclaration9(iface);
 275
 276     TRACE("iface %p, elements %p, element_count %p.\n", iface, elements, element_count);
 277
 278     *element_count = declaration->element_count;
 279
 280     /* Passing a NULL elements is used to just retrieve the number of elements */
 281     if (!elements)
 282         return D3D_OK;
 283
 284     TRACE("Copying %p to %p.\n", declaration->elements, elements);
 285     memcpy(elements, declaration->elements, sizeof(*declaration->elements) * declaration->element_count);
 286
 287     return D3D_OK;
 288 }
 289
 290 static const struct IDirect3DVertexDeclaration9Vtbl d3d9_vertex_declaration_vtbl =
 291 {
 292     /* IUnknown */
 293     d3d9_vertex_declaration_QueryInterface,
 294     d3d9_vertex_declaration_AddRef,
 295     d3d9_vertex_declaration_Release,
 296     /* IDirect3DVertexDeclaration9 */
 297     d3d9_vertex_declaration_GetDevice,
 298     d3d9_vertex_declaration_GetDeclaration,
 299 };
 300
 301 struct d3d9_vertex_declaration *unsafe_impl_from_IDirect3DVertexDeclaration9(IDirect3DVertexDeclaration9 *iface)
 302 {
 303     if (!iface)
 304         return NULL;
 305     assert(iface->lpVtbl == &d3d9_vertex_declaration_vtbl);
 306     return CONTAINING_RECORD(iface, struct d3d9_vertex_declaration, IDirect3DVertexDeclaration9_iface);
 307 }
 308
 309 static void STDMETHODCALLTYPE d3d9_vertexdeclaration_wined3d_object_destroyed(void *parent)
 310 {
 311     struct d3d9_vertex_declaration *declaration = parent;
 312     heap_free(declaration->elements);
 313     heap_free(declaration);
 314 }
 315
 316 static const struct wined3d_parent_ops d3d9_vertexdeclaration_wined3d_parent_ops =
 317 {
 318     d3d9_vertexdeclaration_wined3d_object_destroyed,
 319 };
 320
 321 static HRESULT convert_to_wined3d_declaration(const D3DVERTEXELEMENT9 *d3d9_elements,
 322         struct wined3d_vertex_element **wined3d_elements, UINT *element_count, DWORD *stream_map)
 323 {
 324     const D3DVERTEXELEMENT9* element;
 325     UINT count = 1;
 326     UINT i;
 327
 328     TRACE("d3d9_elements %p, wined3d_elements %p, element_count %p\n", d3d9_elements, wined3d_elements, element_count);
 329
 330     *stream_map = 0;
 331
 332     element = d3d9_elements;
 333     while (element++->Stream != 0xff && count++ < 128);
 334
 335     if (count == 128) return E_FAIL;
 336
 337     /* Skip the END element */
 338     --count;
 339
 340     if (!(*wined3d_elements = heap_alloc(count * sizeof(**wined3d_elements))))
 341     {
 342         FIXME("Memory allocation failed\n");
 343         return D3DERR_OUTOFVIDEOMEMORY;
 344     }
 345
 346     for (i = 0; i < count; ++i)
 347     {
 348         if (d3d9_elements[i].Type >= ARRAY_SIZE(d3d_dtype_lookup))
 349         {
 350             WARN("Invalid element type %#x.\n", d3d9_elements[i].Type);
 351             heap_free(*wined3d_elements);
 352             return E_FAIL;
 353         }
 354         (*wined3d_elements)[i].format = d3d_dtype_lookup[d3d9_elements[i].Type].format;
 355         (*wined3d_elements)[i].input_slot = d3d9_elements[i].Stream;
 356         (*wined3d_elements)[i].offset = d3d9_elements[i].Offset;
 357         (*wined3d_elements)[i].output_slot = WINED3D_OUTPUT_SLOT_SEMANTIC;
 358         (*wined3d_elements)[i].input_slot_class = WINED3D_INPUT_PER_VERTEX_DATA;
 359         (*wined3d_elements)[i].instance_data_step_rate = 0;
 360         (*wined3d_elements)[i].method = d3d9_elements[i].Method;
 361         (*wined3d_elements)[i].usage = d3d9_elements[i].Usage;
 362         (*wined3d_elements)[i].usage_idx = d3d9_elements[i].UsageIndex;
 363         *stream_map |= 1u << d3d9_elements[i].Stream;
 364     }
 365
 366     *element_count = count;
 367
 368     return D3D_OK;
 369 }
 370
 371 static HRESULT vertexdeclaration_init(struct d3d9_vertex_declaration *declaration,
 372         struct d3d9_device *device, const D3DVERTEXELEMENT9 *elements)
 373 {
 374     struct wined3d_vertex_element *wined3d_elements;
 375     UINT wined3d_element_count;
 376     UINT element_count;
 377     HRESULT hr;
 378
 379     hr = convert_to_wined3d_declaration(elements, &wined3d_elements, &wined3d_element_count,
 380             &declaration->stream_map);
 381     if (FAILED(hr))
 382     {
 383         WARN("Failed to create wined3d vertex declaration elements, hr %#x.\n", hr);
 384         return hr;
 385     }
 386
 387     declaration->IDirect3DVertexDeclaration9_iface.lpVtbl = &d3d9_vertex_declaration_vtbl;
 388     declaration->refcount = 1;
 389
 390     element_count = wined3d_element_count + 1;
 391     if (!(declaration->elements = heap_alloc(element_count * sizeof(*declaration->elements))))
 392     {
 393         heap_free(wined3d_elements);
 394         ERR("Failed to allocate vertex declaration elements memory.\n");
 395         return D3DERR_OUTOFVIDEOMEMORY;
 396     }
 397     memcpy(declaration->elements, elements, element_count * sizeof(*elements));
 398     declaration->element_count = element_count;
 399
 400     wined3d_mutex_lock();
 401     hr = wined3d_vertex_declaration_create(device->wined3d_device, wined3d_elements, wined3d_element_count,
 402             declaration, &d3d9_vertexdeclaration_wined3d_parent_ops, &declaration->wined3d_declaration);
 403     wined3d_mutex_unlock();
 404     heap_free(wined3d_elements);
 405     if (FAILED(hr))
 406     {
 407         heap_free(declaration->elements);
 408         WARN("Failed to create wined3d vertex declaration, hr %#x.\n", hr);
 409         if (hr == E_INVALIDARG)
 410             hr = E_FAIL;
 411         return hr;
 412     }
 413
 414     declaration->parent_device = &device->IDirect3DDevice9Ex_iface;
 415     IDirect3DDevice9Ex_AddRef(declaration->parent_device);
 416
 417     return D3D_OK;
 418 }
 419
 420 HRESULT d3d9_vertex_declaration_create(struct d3d9_device *device,
 421         const D3DVERTEXELEMENT9 *elements, struct d3d9_vertex_declaration **declaration)
 422 {
 423     struct d3d9_vertex_declaration *object;
 424     HRESULT hr;
 425
 426     if (!(object = heap_alloc_zero(sizeof(*object))))
 427         return E_OUTOFMEMORY;
 428
 429     hr = vertexdeclaration_init(object, device, elements);
 430     if (FAILED(hr))
 431     {
 432         WARN("Failed to initialize vertex declaration, hr %#x.\n", hr);
 433         heap_free(object);
 434         return hr;
 435     }
 436
 437     TRACE("Created vertex declaration %p.\n", object);
 438     *declaration = object;
 439
 440     return D3D_OK;
 441 }