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