dlls/ddraw/executebuffer.c

   1 /* Direct3D ExecuteBuffer
   2  * Copyright (c) 1998-2004 Lionel ULMER
   3  * Copyright (c) 2002-2004 Christian Costa
   4  * Copyright (c) 2006      Stefan Dösinger
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include "ddraw_private.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  27
  28 /*****************************************************************************
  29  * _dump_executedata
  30  * _dump_D3DEXECUTEBUFFERDESC
  31  *
  32  * Debug functions which write the executebuffer data to the console
  33  *
  34  *****************************************************************************/
  35
  36 static void _dump_executedata(const D3DEXECUTEDATA *lpData) {
  37     TRACE("dwSize : %d\n", lpData->dwSize);
  38     TRACE("Vertex      Offset : %d  Count  : %d\n", lpData->dwVertexOffset, lpData->dwVertexCount);
  39     TRACE("Instruction Offset : %d  Length : %d\n", lpData->dwInstructionOffset, lpData->dwInstructionLength);
  40     TRACE("HVertex     Offset : %d\n", lpData->dwHVertexOffset);
  41 }
  42
  43 static void _dump_D3DEXECUTEBUFFERDESC(const D3DEXECUTEBUFFERDESC *lpDesc) {
  44     TRACE("dwSize       : %d\n", lpDesc->dwSize);
  45     TRACE("dwFlags      : %x\n", lpDesc->dwFlags);
  46     TRACE("dwCaps       : %x\n", lpDesc->dwCaps);
  47     TRACE("dwBufferSize : %d\n", lpDesc->dwBufferSize);
  48     TRACE("lpData       : %p\n", lpDesc->lpData);
  49 }
  50
  51 static void transform_vertex(D3DTLVERTEX *dst, const D3DMATRIX *mat,
  52         const D3DVIEWPORT *vp, float x, float y, float z)
  53 {
  54     dst->u1.sx = (x * mat->_11) + (y * mat->_21) + (z * mat->_31) + mat->_41;
  55     dst->u2.sy = (x * mat->_12) + (y * mat->_22) + (z * mat->_32) + mat->_42;
  56     dst->u3.sz = (x * mat->_13) + (y * mat->_23) + (z * mat->_33) + mat->_43;
  57     dst->u4.rhw = (x * mat->_14) + (y * mat->_24) + (z * mat->_34) + mat->_44;
  58
  59     dst->u1.sx = dst->u1.sx / dst->u4.rhw * vp->dvScaleX + vp->dwX + vp->dwWidth / 2;
  60     dst->u2.sy = -dst->u2.sy / dst->u4.rhw * vp->dvScaleY + vp->dwY + vp->dwHeight / 2;
  61     dst->u3.sz /= dst->u4.rhw;
  62     dst->u4.rhw = 1.0f / dst->u4.rhw;
  63 }
  64
  65 HRESULT d3d_execute_buffer_execute(struct d3d_execute_buffer *buffer,
  66         struct d3d_device *device, struct d3d_viewport *viewport)
  67 {
  68     DWORD vs = buffer->data.dwVertexOffset;
  69     DWORD is = buffer->data.dwInstructionOffset;
  70     char *instr = (char *)buffer->desc.lpData + is;
  71     unsigned int i;
  72
  73     if (viewport->active_device != device)
  74     {
  75         WARN("Viewport %p active device is %p.\n",
  76                 viewport, viewport->active_device);
  77         return DDERR_INVALIDPARAMS;
  78     }
  79
  80     /* Activate the viewport */
  81     viewport_activate(viewport, FALSE);
  82
  83     TRACE("ExecuteData :\n");
  84     if (TRACE_ON(ddraw))
  85         _dump_executedata(&(buffer->data));
  86
  87     for (;;)
  88     {
  89         D3DINSTRUCTION *current = (D3DINSTRUCTION *)instr;
  90         BYTE size;
  91         WORD count;
  92
  93         count = current->wCount;
  94         size = current->bSize;
  95         instr += sizeof(D3DINSTRUCTION);
  96
  97         switch (current->bOpcode) {
  98             case D3DOP_POINT: {
  99                 WARN("POINT-s          (%d)\n", count);
 100                 instr += count * size;
 101             } break;
 102
 103             case D3DOP_LINE: {
 104                 WARN("LINE-s           (%d)\n", count);
 105                 instr += count * size;
 106             } break;
 107
 108             case D3DOP_TRIANGLE:
 109             {
 110                 D3DTLVERTEX *tl_vx = buffer->vertex_data;
 111                 TRACE("TRIANGLE         (%d)\n", count);
 112
 113                 if (buffer->nb_indices < count * 3)
 114                 {
 115                     buffer->nb_indices = count * 3;
 116                     HeapFree(GetProcessHeap(), 0, buffer->indices);
 117                     buffer->indices = HeapAlloc(GetProcessHeap(), 0, sizeof(*buffer->indices) * buffer->nb_indices);
 118                 }
 119
 120                 for (i = 0; i < count; ++i)
 121                 {
 122                     D3DTRIANGLE *ci = (D3DTRIANGLE *)instr;
 123                     TRACE("  v1: %d  v2: %d  v3: %d\n",ci->u1.v1, ci->u2.v2, ci->u3.v3);
 124                     TRACE("  Flags : ");
 125                     if (TRACE_ON(ddraw))
 126                     {
 127                         /* Wireframe */
 128                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 129                             TRACE("EDGEENABLE1 ");
 130                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE2)
 131                             TRACE("EDGEENABLE2 ");
 132                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 133                             TRACE("EDGEENABLE3 ");
 134                         /* Strips / Fans */
 135                         if (ci->wFlags == D3DTRIFLAG_EVEN)
 136                             TRACE("EVEN ");
 137                         if (ci->wFlags == D3DTRIFLAG_ODD)
 138                             TRACE("ODD ");
 139                         if (ci->wFlags == D3DTRIFLAG_START)
 140                             TRACE("START ");
 141                         if ((ci->wFlags > 0) && (ci->wFlags < 30))
 142                             TRACE("STARTFLAT(%u) ", ci->wFlags);
 143                         TRACE("\n");
 144                     }
 145                     buffer->indices[(i * 3)    ] = ci->u1.v1;
 146                     buffer->indices[(i * 3) + 1] = ci->u2.v2;
 147                     buffer->indices[(i * 3) + 2] = ci->u3.v3;
 148                     instr += size;
 149                 }
 150                 IDirect3DDevice7_DrawIndexedPrimitive(&device->IDirect3DDevice7_iface,
 151                         D3DPT_TRIANGLELIST, D3DFVF_TLVERTEX, tl_vx, buffer->nb_vertices,
 152                         buffer->indices, count * 3, 0);
 153             } break;
 154
 155             case D3DOP_MATRIXLOAD:
 156                 WARN("MATRIXLOAD-s     (%d)\n", count);
 157                 instr += count * size;
 158                 break;
 159
 160             case D3DOP_MATRIXMULTIPLY:
 161                 TRACE("MATRIXMULTIPLY   (%d)\n", count);
 162                 for (i = 0; i < count; ++i)
 163                 {
 164                     D3DMATRIXMULTIPLY *ci = (D3DMATRIXMULTIPLY *)instr;
 165                     D3DMATRIX *a, *b, *c;
 166
 167                     a = ddraw_get_object(&device->handle_table, ci->hDestMatrix - 1, DDRAW_HANDLE_MATRIX);
 168                     b = ddraw_get_object(&device->handle_table, ci->hSrcMatrix1 - 1, DDRAW_HANDLE_MATRIX);
 169                     c = ddraw_get_object(&device->handle_table, ci->hSrcMatrix2 - 1, DDRAW_HANDLE_MATRIX);
 170
 171                     if (!a || !b || !c)
 172                     {
 173                         ERR("Invalid matrix handle (a %#x -> %p, b %#x -> %p, c %#x -> %p).\n",
 174                                 ci->hDestMatrix, a, ci->hSrcMatrix1, b, ci->hSrcMatrix2, c);
 175                     }
 176                     else
 177                     {
 178                         TRACE("dst %p, src1 %p, src2 %p.\n", a, b, c);
 179                         multiply_matrix(a, c, b);
 180                     }
 181
 182                     instr += size;
 183                 }
 184                 break;
 185
 186             case D3DOP_STATETRANSFORM:
 187                 TRACE("STATETRANSFORM   (%d)\n", count);
 188                 for (i = 0; i < count; ++i)
 189                 {
 190                     D3DSTATE *ci = (D3DSTATE *)instr;
 191                     D3DMATRIX *m;
 192
 193                     m = ddraw_get_object(&device->handle_table, ci->u2.dwArg[0] - 1, DDRAW_HANDLE_MATRIX);
 194                     if (!m)
 195                     {
 196                         ERR("Invalid matrix handle %#x.\n", ci->u2.dwArg[0]);
 197                     }
 198                     else
 199                     {
 200                         if (ci->u1.dtstTransformStateType == D3DTRANSFORMSTATE_WORLD)
 201                             device->world = ci->u2.dwArg[0];
 202                         if (ci->u1.dtstTransformStateType == D3DTRANSFORMSTATE_VIEW)
 203                             device->view = ci->u2.dwArg[0];
 204                         if (ci->u1.dtstTransformStateType == D3DTRANSFORMSTATE_PROJECTION)
 205                             device->proj = ci->u2.dwArg[0];
 206                         IDirect3DDevice7_SetTransform(&device->IDirect3DDevice7_iface,
 207                                 ci->u1.dtstTransformStateType, m);
 208                     }
 209
 210                     instr += size;
 211                 }
 212                 break;
 213
 214             case D3DOP_STATELIGHT:
 215                 TRACE("STATELIGHT       (%d)\n", count);
 216                 for (i = 0; i < count; ++i)
 217                 {
 218                     D3DSTATE *ci = (D3DSTATE *)instr;
 219
 220                     if (FAILED(IDirect3DDevice3_SetLightState(&device->IDirect3DDevice3_iface,
 221                             ci->u1.dlstLightStateType, ci->u2.dwArg[0])))
 222                         WARN("Failed to set light state.\n");
 223
 224                     instr += size;
 225                 }
 226                 break;
 227
 228             case D3DOP_STATERENDER:
 229                 TRACE("STATERENDER      (%d)\n", count);
 230                 for (i = 0; i < count; ++i)
 231                 {
 232                     D3DSTATE *ci = (D3DSTATE *)instr;
 233
 234                     if (FAILED(IDirect3DDevice3_SetRenderState(&device->IDirect3DDevice3_iface,
 235                             ci->u1.drstRenderStateType, ci->u2.dwArg[0])))
 236                         WARN("Failed to set render state.\n");
 237
 238                     instr += size;
 239                 }
 240                 break;
 241
 242             case D3DOP_PROCESSVERTICES:
 243             {
 244                 /* TODO: Share code with d3d_vertex_buffer7_ProcessVertices()
 245                  * and / or wined3d_device_process_vertices(). */
 246                 D3DMATRIX view_mat, world_mat, proj_mat, mat;
 247
 248                 TRACE("PROCESSVERTICES  (%d)\n", count);
 249
 250                 /* Get the transform and world matrix */
 251                 /* Note: D3DMATRIX is compatible with struct wined3d_matrix. */
 252                 wined3d_device_get_transform(device->wined3d_device,
 253                         D3DTRANSFORMSTATE_VIEW, (struct wined3d_matrix *)&view_mat);
 254                 wined3d_device_get_transform(device->wined3d_device,
 255                         D3DTRANSFORMSTATE_PROJECTION, (struct wined3d_matrix *)&proj_mat);
 256                 wined3d_device_get_transform(device->wined3d_device,
 257                         WINED3D_TS_WORLD_MATRIX(0), (struct wined3d_matrix *)&world_mat);
 258
 259                 if (TRACE_ON(ddraw))
 260                 {
 261                     TRACE("  Projection Matrix:\n");
 262                     dump_D3DMATRIX(&proj_mat);
 263                     TRACE("  View Matrix:\n");
 264                     dump_D3DMATRIX(&view_mat);
 265                     TRACE("  World Matrix:\n");
 266                     dump_D3DMATRIX(&world_mat);
 267                 }
 268
 269                 multiply_matrix(&mat, &view_mat, &world_mat);
 270                 multiply_matrix(&mat, &proj_mat, &mat);
 271
 272                 for (i = 0; i < count; ++i)
 273                 {
 274                     D3DPROCESSVERTICES *ci = (D3DPROCESSVERTICES *)instr;
 275                     D3DTLVERTEX *dst = (D3DTLVERTEX *)buffer->vertex_data + ci->wDest;
 276                     DWORD op = ci->dwFlags & D3DPROCESSVERTICES_OPMASK;
 277
 278                     TRACE("  start %u, dest %u, count %u, flags %#x.\n",
 279                             ci->wStart, ci->wDest, ci->dwCount, ci->dwFlags);
 280
 281                     if (ci->dwFlags & D3DPROCESSVERTICES_UPDATEEXTENTS)
 282                         FIXME("D3DPROCESSVERTICES_UPDATEEXTENTS not implemented.\n");
 283                     if (ci->dwFlags & D3DPROCESSVERTICES_NOCOLOR)
 284                         FIXME("D3DPROCESSVERTICES_NOCOLOR not implemented.\n");
 285
 286                     switch (op)
 287                     {
 288                         case D3DPROCESSVERTICES_TRANSFORMLIGHT:
 289                         {
 290                             const D3DVERTEX *src = (D3DVERTEX *)((char *)buffer->desc.lpData + vs) + ci->wStart;
 291                             unsigned int vtx_idx;
 292                             static unsigned int once;
 293
 294                             if (!once++)
 295                                 FIXME("Lighting not implemented.\n");
 296
 297                             for (vtx_idx = 0; vtx_idx < ci->dwCount; ++vtx_idx)
 298                             {
 299                                 transform_vertex(&dst[vtx_idx], &mat, &viewport->viewports.vp1,
 300                                         src[vtx_idx].u1.x, src[vtx_idx].u2.y, src[vtx_idx].u3.z);
 301                                 /* No lighting yet */
 302                                 dst[vtx_idx].u5.color = 0xffffffff; /* Opaque white */
 303                                 dst[vtx_idx].u6.specular = 0xff000000; /* No specular and no fog factor */
 304                                 dst[vtx_idx].u7.tu = src[vtx_idx].u7.tu;
 305                                 dst[vtx_idx].u8.tv = src[vtx_idx].u8.tv;
 306                             }
 307                             break;
 308                         }
 309
 310                         case D3DPROCESSVERTICES_TRANSFORM:
 311                         {
 312                             const D3DLVERTEX *src = (D3DLVERTEX *)((char *)buffer->desc.lpData + vs) + ci->wStart;
 313                             unsigned int vtx_idx;
 314
 315                             for (vtx_idx = 0; vtx_idx < ci->dwCount; ++vtx_idx)
 316                             {
 317                                 transform_vertex(&dst[vtx_idx], &mat, &viewport->viewports.vp1,
 318                                         src[vtx_idx].u1.x, src[vtx_idx].u2.y, src[vtx_idx].u3.z);
 319                                 dst[vtx_idx].u5.color = src[vtx_idx].u4.color;
 320                                 dst[vtx_idx].u6.specular = src[vtx_idx].u5.specular;
 321                                 dst[vtx_idx].u7.tu = src[vtx_idx].u6.tu;
 322                                 dst[vtx_idx].u8.tv = src[vtx_idx].u7.tv;
 323                             }
 324                             break;
 325                         }
 326
 327                         case D3DPROCESSVERTICES_COPY:
 328                         {
 329                             const D3DTLVERTEX *src = (D3DTLVERTEX *)((char *)buffer->desc.lpData + vs) + ci->wStart;
 330
 331                             memcpy(dst, src, ci->dwCount * sizeof(*dst));
 332                             break;
 333                         }
 334
 335                         default:
 336                             FIXME("Unhandled vertex processing op %#x.\n", op);
 337                             break;
 338                     }
 339
 340                     instr += size;
 341                 }
 342                 break;
 343             }
 344
 345             case D3DOP_TEXTURELOAD: {
 346                 WARN("TEXTURELOAD-s    (%d)\n", count);
 347
 348                 instr += count * size;
 349             } break;
 350
 351             case D3DOP_EXIT: {
 352                 TRACE("EXIT             (%d)\n", count);
 353                 /* We did this instruction */
 354                 instr += size;
 355                 /* Exit this loop */
 356                 goto end_of_buffer;
 357             } break;
 358
 359             case D3DOP_BRANCHFORWARD:
 360                 TRACE("BRANCHFORWARD    (%d)\n", count);
 361                 for (i = 0; i < count; ++i)
 362                 {
 363                     D3DBRANCH *ci = (D3DBRANCH *)instr;
 364
 365                     if ((buffer->data.dsStatus.dwStatus & ci->dwMask) == ci->dwValue)
 366                     {
 367                         if (!ci->bNegate)
 368                         {
 369                             TRACE(" Branch to %d\n", ci->dwOffset);
 370                             if (ci->dwOffset) {
 371                                 instr = (char*)current + ci->dwOffset;
 372                                 break;
 373                             }
 374                         }
 375                     } else {
 376                         if (ci->bNegate) {
 377                             TRACE(" Branch to %d\n", ci->dwOffset);
 378                             if (ci->dwOffset) {
 379                                 instr = (char*)current + ci->dwOffset;
 380                                 break;
 381                             }
 382                         }
 383                     }
 384
 385                     instr += size;
 386                 }
 387                 break;
 388
 389             case D3DOP_SPAN: {
 390                 WARN("SPAN-s           (%d)\n", count);
 391
 392                 instr += count * size;
 393             } break;
 394
 395             case D3DOP_SETSTATUS:
 396                 TRACE("SETSTATUS        (%d)\n", count);
 397                 for (i = 0; i < count; ++i)
 398                 {
 399                     buffer->data.dsStatus = *(D3DSTATUS *)instr;
 400                     instr += size;
 401                 }
 402                 break;
 403
 404             default:
 405                 ERR("Unhandled OpCode %d !!!\n",current->bOpcode);
 406                 /* Try to save ... */
 407                 instr += count * size;
 408                 break;
 409         }
 410     }
 411
 412 end_of_buffer:
 413     return D3D_OK;
 414 }
 415
 416 static inline struct d3d_execute_buffer *impl_from_IDirect3DExecuteBuffer(IDirect3DExecuteBuffer *iface)
 417 {
 418     return CONTAINING_RECORD(iface, struct d3d_execute_buffer, IDirect3DExecuteBuffer_iface);
 419 }
 420
 421 static HRESULT WINAPI d3d_execute_buffer_QueryInterface(IDirect3DExecuteBuffer *iface, REFIID iid, void **out)
 422 {
 423     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
 424
 425     if (IsEqualGUID(&IID_IDirect3DExecuteBuffer, iid)
 426             || IsEqualGUID(&IID_IUnknown, iid))
 427     {
 428         IDirect3DExecuteBuffer_AddRef(iface);
 429         *out = iface;
 430         return S_OK;
 431     }
 432
 433     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
 434
 435     *out = NULL;
 436     return E_NOINTERFACE;
 437 }
 438
 439 /*****************************************************************************
 440  * IDirect3DExecuteBuffer::AddRef
 441  *
 442  * A normal AddRef method, nothing special
 443  *
 444  * Returns:
 445  *  The new refcount
 446  *
 447  *****************************************************************************/
 448 static ULONG WINAPI d3d_execute_buffer_AddRef(IDirect3DExecuteBuffer *iface)
 449 {
 450     struct d3d_execute_buffer *buffer = impl_from_IDirect3DExecuteBuffer(iface);
 451     ULONG ref = InterlockedIncrement(&buffer->ref);
 452
 453     TRACE("%p increasing refcount to %u.\n", buffer, ref);
 454
 455     return ref;
 456 }
 457
 458 /*****************************************************************************
 459  * IDirect3DExecuteBuffer::Release
 460  *
 461  * A normal Release method, nothing special
 462  *
 463  * Returns:
 464  *  The new refcount
 465  *
 466  *****************************************************************************/
 467 static ULONG WINAPI d3d_execute_buffer_Release(IDirect3DExecuteBuffer *iface)
 468 {
 469     struct d3d_execute_buffer *buffer = impl_from_IDirect3DExecuteBuffer(iface);
 470     ULONG ref = InterlockedDecrement(&buffer->ref);
 471
 472     TRACE("%p decreasing refcount to %u.\n", buffer, ref);
 473
 474     if (!ref)
 475     {
 476         if (buffer->need_free)
 477             HeapFree(GetProcessHeap(), 0, buffer->desc.lpData);
 478         HeapFree(GetProcessHeap(), 0, buffer->vertex_data);
 479         HeapFree(GetProcessHeap(), 0, buffer->indices);
 480         HeapFree(GetProcessHeap(), 0, buffer);
 481     }
 482
 483     return ref;
 484 }
 485
 486 /*****************************************************************************
 487  * IDirect3DExecuteBuffer::Initialize
 488  *
 489  * Initializes the Execute Buffer. This method exists for COM compliance
 490  * Nothing to do here.
 491  *
 492  * Returns:
 493  *  D3D_OK
 494  *
 495  *****************************************************************************/
 496 static HRESULT WINAPI d3d_execute_buffer_Initialize(IDirect3DExecuteBuffer *iface,
 497         IDirect3DDevice *device, D3DEXECUTEBUFFERDESC *desc)
 498 {
 499     TRACE("iface %p, device %p, desc %p.\n", iface, device, desc);
 500
 501     return D3D_OK;
 502 }
 503
 504 /*****************************************************************************
 505  * IDirect3DExecuteBuffer::Lock
 506  *
 507  * Locks the buffer, so the app can write into it.
 508  *
 509  * Params:
 510  *  Desc: Pointer to return the buffer description. This Description contains
 511  *        a pointer to the buffer data.
 512  *
 513  * Returns:
 514  *  This implementation always returns D3D_OK
 515  *
 516  *****************************************************************************/
 517 static HRESULT WINAPI d3d_execute_buffer_Lock(IDirect3DExecuteBuffer *iface, D3DEXECUTEBUFFERDESC *desc)
 518 {
 519     struct d3d_execute_buffer *buffer = impl_from_IDirect3DExecuteBuffer(iface);
 520     DWORD dwSize;
 521
 522     TRACE("iface %p, desc %p.\n", iface, desc);
 523
 524     dwSize = desc->dwSize;
 525     memcpy(desc, &buffer->desc, dwSize);
 526
 527     if (TRACE_ON(ddraw))
 528     {
 529         TRACE("  Returning description :\n");
 530         _dump_D3DEXECUTEBUFFERDESC(desc);
 531     }
 532     return D3D_OK;
 533 }
 534
 535 /*****************************************************************************
 536  * IDirect3DExecuteBuffer::Unlock
 537  *
 538  * Unlocks the buffer. We don't have anything to do here
 539  *
 540  * Returns:
 541  *  This implementation always returns D3D_OK
 542  *
 543  *****************************************************************************/
 544 static HRESULT WINAPI d3d_execute_buffer_Unlock(IDirect3DExecuteBuffer *iface)
 545 {
 546     TRACE("iface %p.\n", iface);
 547
 548     return D3D_OK;
 549 }
 550
 551 /*****************************************************************************
 552  * IDirect3DExecuteBuffer::SetExecuteData
 553  *
 554  * Sets the execute data. This data is used to describe the buffer's content
 555  *
 556  * Params:
 557  *  Data: Pointer to a D3DEXECUTEDATA structure containing the data to
 558  *  assign
 559  *
 560  * Returns:
 561  *  D3D_OK on success
 562  *  DDERR_OUTOFMEMORY if the vertex buffer allocation failed
 563  *
 564  *****************************************************************************/
 565 static HRESULT WINAPI d3d_execute_buffer_SetExecuteData(IDirect3DExecuteBuffer *iface, D3DEXECUTEDATA *data)
 566 {
 567     struct d3d_execute_buffer *buffer = impl_from_IDirect3DExecuteBuffer(iface);
 568     DWORD nbvert;
 569
 570     TRACE("iface %p, data %p.\n", iface, data);
 571
 572     memcpy(&buffer->data, data, data->dwSize);
 573
 574     /* Get the number of vertices in the execute buffer */
 575     nbvert = buffer->data.dwVertexCount;
 576
 577     /* Prepares the transformed vertex buffer */
 578     HeapFree(GetProcessHeap(), 0, buffer->vertex_data);
 579     buffer->vertex_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbvert * sizeof(D3DTLVERTEX));
 580     buffer->nb_vertices = nbvert;
 581
 582     if (TRACE_ON(ddraw))
 583         _dump_executedata(data);
 584
 585     return D3D_OK;
 586 }
 587
 588 /*****************************************************************************
 589  * IDirect3DExecuteBuffer::GetExecuteData
 590  *
 591  * Returns the data in the execute buffer
 592  *
 593  * Params:
 594  *  Data: Pointer to a D3DEXECUTEDATA structure used to return data
 595  *
 596  * Returns:
 597  *  D3D_OK on success
 598  *
 599  *****************************************************************************/
 600 static HRESULT WINAPI d3d_execute_buffer_GetExecuteData(IDirect3DExecuteBuffer *iface, D3DEXECUTEDATA *data)
 601 {
 602     struct d3d_execute_buffer *buffer = impl_from_IDirect3DExecuteBuffer(iface);
 603     DWORD dwSize;
 604
 605     TRACE("iface %p, data %p.\n", iface, data);
 606
 607     dwSize = data->dwSize;
 608     memcpy(data, &buffer->data, dwSize);
 609
 610     if (TRACE_ON(ddraw))
 611     {
 612         TRACE("Returning data :\n");
 613         _dump_executedata(data);
 614     }
 615
 616     return DD_OK;
 617 }
 618
 619 /*****************************************************************************
 620  * IDirect3DExecuteBuffer::Validate
 621  *
 622  * DirectX 5 SDK: "The IDirect3DExecuteBuffer::Validate method is not
 623  * currently implemented"
 624  *
 625  * Params:
 626  *  ?
 627  *
 628  * Returns:
 629  *  DDERR_UNSUPPORTED, because it's not implemented in Windows.
 630  *
 631  *****************************************************************************/
 632 static HRESULT WINAPI d3d_execute_buffer_Validate(IDirect3DExecuteBuffer *iface,
 633         DWORD *offset, LPD3DVALIDATECALLBACK callback, void *context, DWORD reserved)
 634 {
 635     TRACE("iface %p, offset %p, callback %p, context %p, reserved %#x.\n",
 636             iface, offset, callback, context, reserved);
 637
 638     WARN("Not implemented.\n");
 639
 640     return DDERR_UNSUPPORTED; /* Unchecked */
 641 }
 642
 643 /*****************************************************************************
 644  * IDirect3DExecuteBuffer::Optimize
 645  *
 646  * DirectX5 SDK: "The IDirect3DExecuteBuffer::Optimize method is not
 647  * currently supported"
 648  *
 649  * Params:
 650  *  Dummy: Seems to be an unused dummy ;)
 651  *
 652  * Returns:
 653  *  DDERR_UNSUPPORTED, because it's not implemented in Windows.
 654  *
 655  *****************************************************************************/
 656 static HRESULT WINAPI d3d_execute_buffer_Optimize(IDirect3DExecuteBuffer *iface, DWORD reserved)
 657 {
 658     TRACE("iface %p, reserved %#x.\n", iface, reserved);
 659
 660     WARN("Not implemented.\n");
 661
 662     return DDERR_UNSUPPORTED; /* Unchecked */
 663 }
 664
 665 static const struct IDirect3DExecuteBufferVtbl d3d_execute_buffer_vtbl =
 666 {
 667     d3d_execute_buffer_QueryInterface,
 668     d3d_execute_buffer_AddRef,
 669     d3d_execute_buffer_Release,
 670     d3d_execute_buffer_Initialize,
 671     d3d_execute_buffer_Lock,
 672     d3d_execute_buffer_Unlock,
 673     d3d_execute_buffer_SetExecuteData,
 674     d3d_execute_buffer_GetExecuteData,
 675     d3d_execute_buffer_Validate,
 676     d3d_execute_buffer_Optimize,
 677 };
 678
 679 HRESULT d3d_execute_buffer_init(struct d3d_execute_buffer *execute_buffer,
 680         struct d3d_device *device, D3DEXECUTEBUFFERDESC *desc)
 681 {
 682     execute_buffer->IDirect3DExecuteBuffer_iface.lpVtbl = &d3d_execute_buffer_vtbl;
 683     execute_buffer->ref = 1;
 684     execute_buffer->d3ddev = device;
 685
 686     /* Initializes memory */
 687     memcpy(&execute_buffer->desc, desc, desc->dwSize);
 688
 689     /* No buffer given */
 690     if (!(execute_buffer->desc.dwFlags & D3DDEB_LPDATA))
 691         execute_buffer->desc.lpData = NULL;
 692
 693     /* No buffer size given */
 694     if (!(execute_buffer->desc.dwFlags & D3DDEB_BUFSIZE))
 695         execute_buffer->desc.dwBufferSize = 0;
 696
 697     /* Create buffer if asked */
 698     if (!execute_buffer->desc.lpData && execute_buffer->desc.dwBufferSize)
 699     {
 700         execute_buffer->need_free = TRUE;
 701         execute_buffer->desc.lpData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, execute_buffer->desc.dwBufferSize);
 702         if (!execute_buffer->desc.lpData)
 703         {
 704             ERR("Failed to allocate execute buffer data.\n");
 705             return DDERR_OUTOFMEMORY;
 706         }
 707     }
 708
 709     execute_buffer->desc.dwFlags |= D3DDEB_LPDATA;
 710
 711     return D3D_OK;
 712 }
 713
 714 struct d3d_execute_buffer *unsafe_impl_from_IDirect3DExecuteBuffer(IDirect3DExecuteBuffer *iface)
 715 {
 716     if (!iface)
 717         return NULL;
 718     assert(iface->lpVtbl == &d3d_execute_buffer_vtbl);
 719
 720     return impl_from_IDirect3DExecuteBuffer(iface);
 721 }