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   1 /* Direct3D ExecuteBuffer
   2  * Copyright (c) 1998-2004 Lionel ULMER
   3  * Copyright (c) 2002-2004 Christian Costa
   4  *
   5  * This file contains the implementation of Direct3DExecuteBuffer.
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include "config.h"
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26
  27 #define NONAMELESSUNION
  28 #define NONAMELESSSTRUCT
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winerror.h"
  32 #include "objbase.h"
  33 #include "wingdi.h"
  34 #include "ddraw.h"
  35 #include "d3d.h"
  36 #include "wine/debug.h"
  37
  38 #include "d3d_private.h"
  39 #include "mesa_private.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  42 WINE_DECLARE_DEBUG_CHANNEL(ddraw_geom);
  43
  44 static void _dump_d3dstatus(LPD3DSTATUS lpStatus) {
  45
  46 }
  47
  48 static void _dump_executedata(LPD3DEXECUTEDATA lpData) {
  49     DPRINTF("dwSize : %ld\n", lpData->dwSize);
  50     DPRINTF("Vertex      Offset : %ld  Count  : %ld\n", lpData->dwVertexOffset, lpData->dwVertexCount);
  51     DPRINTF("Instruction Offset : %ld  Length : %ld\n", lpData->dwInstructionOffset, lpData->dwInstructionLength);
  52     DPRINTF("HVertex     Offset : %ld\n", lpData->dwHVertexOffset);
  53     _dump_d3dstatus(&(lpData->dsStatus));
  54 }
  55
  56 static void _dump_D3DEXECUTEBUFFERDESC(LPD3DEXECUTEBUFFERDESC lpDesc) {
  57     DPRINTF("dwSize       : %ld\n", lpDesc->dwSize);
  58     DPRINTF("dwFlags      : %lx\n", lpDesc->dwFlags);
  59     DPRINTF("dwCaps       : %lx\n", lpDesc->dwCaps);
  60     DPRINTF("dwBufferSize : %ld\n", lpDesc->dwBufferSize);
  61     DPRINTF("lpData       : %p\n", lpDesc->lpData);
  62 }
  63
  64 static void execute(IDirect3DExecuteBufferImpl *This,
  65                     IDirect3DDeviceImpl *lpDevice,
  66                     IDirect3DViewportImpl *lpViewport)
  67 {
  68     /* DWORD bs = This->desc.dwBufferSize; */
  69     DWORD vs = This->data.dwVertexOffset;
  70     /* DWORD vc = This->data.dwVertexCount; */
  71     DWORD is = This->data.dwInstructionOffset;
  72     /* DWORD il = This->data.dwInstructionLength; */
  73
  74     char *instr = (char *)This->desc.lpData + is;
  75
  76     /* Should check if the viewport was added or not to the device */
  77
  78     /* Activate the viewport */
  79     lpViewport->active_device = lpDevice;
  80     lpViewport->activate(lpViewport);
  81
  82     TRACE("ExecuteData : \n");
  83     if (TRACE_ON(ddraw))
  84       _dump_executedata(&(This->data));
  85
  86     while (1) {
  87         LPD3DINSTRUCTION current = (LPD3DINSTRUCTION) instr;
  88         BYTE size;
  89         WORD count;
  90
  91         count = current->wCount;
  92         size = current->bSize;
  93         instr += sizeof(D3DINSTRUCTION);
  94
  95         switch (current->bOpcode) {
  96             case D3DOP_POINT: {
  97                 WARN("POINT-s          (%d)\n", count);
  98                 instr += count * size;
  99             } break;
 100
 101             case D3DOP_LINE: {
 102                 WARN("LINE-s           (%d)\n", count);
 103                 instr += count * size;
 104             } break;
 105
 106             case D3DOP_TRIANGLE: {
 107                 int i;
 108                 D3DTLVERTEX *tl_vx = (D3DTLVERTEX *) This->vertex_data;
 109                 TRACE("TRIANGLE         (%d)\n", count);
 110
 111                 if (count*3>This->nb_indices) {
 112                     This->nb_indices = count * 3;
 113                     HeapFree(GetProcessHeap(),0,This->indices);
 114                     This->indices = HeapAlloc(GetProcessHeap(),0,sizeof(WORD)*This->nb_indices);
 115                 }
 116
 117                 for (i = 0; i < count; i++) {
 118                     LPD3DTRIANGLE ci = (LPD3DTRIANGLE) instr;
 119                     TRACE_(ddraw_geom)("  v1: %d  v2: %d  v3: %d\n",ci->u1.v1, ci->u2.v2, ci->u3.v3);
 120                     TRACE_(ddraw_geom)("  Flags : ");
 121                     if (TRACE_ON(ddraw)) {
 122                         /* Wireframe */
 123                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 124                             TRACE_(ddraw_geom)("EDGEENABLE1 ");
 125                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE2)
 126                             TRACE_(ddraw_geom)("EDGEENABLE2 ");
 127                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 128                             TRACE_(ddraw_geom)("EDGEENABLE3 ");
 129                         /* Strips / Fans */
 130                         if (ci->wFlags == D3DTRIFLAG_EVEN)
 131                             TRACE_(ddraw_geom)("EVEN ");
 132                         if (ci->wFlags == D3DTRIFLAG_ODD)
 133                             TRACE_(ddraw_geom)("ODD ");
 134                         if (ci->wFlags == D3DTRIFLAG_START)
 135                             TRACE_(ddraw_geom)("START ");
 136                         if ((ci->wFlags > 0) && (ci->wFlags < 30))
 137                             TRACE_(ddraw_geom)("STARTFLAT(%d) ", ci->wFlags);
 138                         TRACE_(ddraw_geom)("\n");
 139                     }
 140                     This->indices[(i * 3)    ] = ci->u1.v1;
 141                     This->indices[(i * 3) + 1] = ci->u2.v2;
 142                     This->indices[(i * 3) + 2] = ci->u3.v3;
 143                     instr += size;
 144                 }
 145                 IDirect3DDevice7_DrawIndexedPrimitive(ICOM_INTERFACE(lpDevice,IDirect3DDevice7),
 146                                                       D3DPT_TRIANGLELIST,D3DFVF_TLVERTEX,tl_vx,0,This->indices,count*3,0);
 147             } break;
 148
 149             case D3DOP_MATRIXLOAD:
 150                 WARN("MATRIXLOAD-s     (%d)\n", count);
 151                 instr += count * size;
 152                 break;
 153
 154             case D3DOP_MATRIXMULTIPLY: {
 155                 int i;
 156                 TRACE("MATRIXMULTIPLY   (%d)\n", count);
 157
 158                 for (i = 0; i < count; i++) {
 159                     LPD3DMATRIXMULTIPLY ci = (LPD3DMATRIXMULTIPLY) instr;
 160                     LPD3DMATRIX a = (LPD3DMATRIX) ci->hDestMatrix;
 161                     LPD3DMATRIX b = (LPD3DMATRIX) ci->hSrcMatrix1;
 162                     LPD3DMATRIX c = (LPD3DMATRIX) ci->hSrcMatrix2;
 163
 164                     TRACE("  Dest : %08lx  Src1 : %08lx  Src2 : %08lx\n",
 165                           ci->hDestMatrix, ci->hSrcMatrix1, ci->hSrcMatrix2);
 166
 167                     multiply_matrix(a,c,b);
 168
 169                     instr += size;
 170                 }
 171             } break;
 172
 173             case D3DOP_STATETRANSFORM: {
 174                 int i;
 175                 TRACE("STATETRANSFORM   (%d)\n", count);
 176
 177                 for (i = 0; i < count; i++) {
 178                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 179
 180                     IDirect3DDevice7_SetTransform(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 181                                                   ci->u1.drstRenderStateType, (LPD3DMATRIX)ci->u2.dwArg[0]);
 182
 183                     instr += size;
 184                 }
 185             } break;
 186
 187             case D3DOP_STATELIGHT: {
 188                 int i;
 189                 TRACE("STATELIGHT       (%d)\n", count);
 190
 191                 for (i = 0; i < count; i++) {
 192                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 193
 194                     TRACE("(%08x,%08lx)\n",ci->u1.dlstLightStateType, ci->u2.dwArg[0]);
 195
 196                     if (!ci->u1.dlstLightStateType && (ci->u1.dlstLightStateType > D3DLIGHTSTATE_COLORVERTEX))
 197                         ERR("Unexpected Light State Type\n");
 198                     else if (ci->u1.dlstLightStateType == D3DLIGHTSTATE_MATERIAL /* 1 */) {
 199                         IDirect3DMaterialImpl *mat = (IDirect3DMaterialImpl *) ci->u2.dwArg[0];
 200
 201                         if (mat != NULL) {
 202                             mat->activate(mat);
 203                         } else {
 204                             FIXME(" D3DLIGHTSTATE_MATERIAL called with NULL material !!!\n");
 205                         }
 206                     }
 207                    else if (ci->u1.dlstLightStateType == D3DLIGHTSTATE_COLORMODEL /* 3 */) {
 208                         switch (ci->u2.dwArg[0]) {
 209                             case D3DCOLOR_MONO:
 210                                ERR("DDCOLOR_MONO should not happen!\n");
 211                                break;
 212                             case D3DCOLOR_RGB:
 213                                /* We are already in this mode */
 214                                break;
 215                             default:
 216                                ERR("Unknown color model!\n");
 217                         }
 218                     } else {
 219                         D3DRENDERSTATETYPE rs = 0;
 220                         switch (ci->u1.dlstLightStateType) {
 221
 222                             case D3DLIGHTSTATE_AMBIENT:       /* 2 */
 223                                 rs = D3DRENDERSTATE_AMBIENT;
 224                                 break;
 225                             case D3DLIGHTSTATE_FOGMODE:       /* 4 */
 226                                 rs = D3DRENDERSTATE_FOGVERTEXMODE;
 227                                 break;
 228                             case D3DLIGHTSTATE_FOGSTART:      /* 5 */
 229                                 rs = D3DRENDERSTATE_FOGSTART;
 230                                 break;
 231                             case D3DLIGHTSTATE_FOGEND:        /* 6 */
 232                                 rs = D3DRENDERSTATE_FOGEND;
 233                                 break;
 234                             case D3DLIGHTSTATE_FOGDENSITY:    /* 7 */
 235                                 rs = D3DRENDERSTATE_FOGDENSITY;
 236                                 break;
 237                             case D3DLIGHTSTATE_COLORVERTEX:   /* 8 */
 238                                 rs = D3DRENDERSTATE_COLORVERTEX;
 239                                 break;
 240                             default:
 241                                 break;
 242                         }
 243
 244                         IDirect3DDevice7_SetRenderState(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 245                                                         rs,ci->u2.dwArg[0]);
 246                    }
 247
 248                    instr += size;
 249                 }
 250             } break;
 251
 252             case D3DOP_STATERENDER: {
 253                 int i;
 254                 TRACE("STATERENDER      (%d)\n", count);
 255
 256                 for (i = 0; i < count; i++) {
 257                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 258
 259                     IDirect3DDevice7_SetRenderState(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 260                                                     ci->u1.drstRenderStateType, ci->u2.dwArg[0]);
 261
 262                     instr += size;
 263                 }
 264             } break;
 265
 266             case D3DOP_PROCESSVERTICES: {
 267                 int i;
 268                 TRACE("PROCESSVERTICES  (%d)\n", count);
 269
 270                 for (i = 0; i < count; i++) {
 271                     LPD3DPROCESSVERTICES ci = (LPD3DPROCESSVERTICES) instr;
 272
 273                     TRACE("  Start : %d Dest : %d Count : %ld\n",
 274                           ci->wStart, ci->wDest, ci->dwCount);
 275                     TRACE("  Flags : ");
 276                     if (TRACE_ON(ddraw)) {
 277                         if (ci->dwFlags & D3DPROCESSVERTICES_COPY)
 278                             TRACE("COPY ");
 279                         if (ci->dwFlags & D3DPROCESSVERTICES_NOCOLOR)
 280                             TRACE("NOCOLOR ");
 281                         if (ci->dwFlags == D3DPROCESSVERTICES_OPMASK)
 282                             TRACE("OPMASK ");
 283                         if (ci->dwFlags & D3DPROCESSVERTICES_TRANSFORM)
 284                             TRACE("TRANSFORM ");
 285                         if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT)
 286                             TRACE("TRANSFORMLIGHT ");
 287                         if (ci->dwFlags & D3DPROCESSVERTICES_UPDATEEXTENTS)
 288                             TRACE("UPDATEEXTENTS ");
 289                         TRACE("\n");
 290                     }
 291
 292                     /* This is where doing Direct3D on top on OpenGL is quite difficult.
 293                        This method transforms a set of vertices using the CURRENT state
 294                        (lighting, projection, ...) but does not rasterize them.
 295                        They will only be put on screen later (with the POINT / LINE and
 296                        TRIANGLE op-codes). The problem is that you can have a triangle
 297                        with each point having been transformed using another state...
 298
 299                        In this implementation, I will emulate only ONE thing : each
 300                        vertex can have its own "WORLD" transformation (this is used in the
 301                        TWIST.EXE demo of the 5.2 SDK). I suppose that all vertices of the
 302                        execute buffer use the same state.
 303
 304                        If I find applications that change other states, I will try to do a
 305                        more 'fine-tuned' state emulation (but I may become quite tricky if
 306                        it changes a light position in the middle of a triangle).
 307
 308                        In this case, a 'direct' approach (i.e. without using OpenGL, but
 309                        writing our own 3D rasterizer) would be easier. */
 310
 311                     /* The current method (with the hypothesis that only the WORLD matrix
 312                        will change between two points) is like this :
 313                        - I transform 'manually' all the vertices with the current WORLD
 314                          matrix and store them in the vertex buffer
 315                        - during the rasterization phase, the WORLD matrix will be set to
 316                          the Identity matrix */
 317
 318                     /* Enough for the moment */
 319                     if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT) {
 320                         unsigned int nb;
 321                         D3DVERTEX  *src = ((LPD3DVERTEX)  ((char *)This->desc.lpData + vs)) + ci->wStart;
 322                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 323                         D3DMATRIX *mat2 = lpDevice->world_mat;
 324                         D3DMATRIX mat;
 325                         D3DVALUE nx,ny,nz;
 326                         D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 327
 328                         if (TRACE_ON(ddraw)) {
 329                             TRACE("  Projection Matrix : (%p)\n", lpDevice->proj_mat);
 330                             dump_D3DMATRIX(lpDevice->proj_mat);
 331                             TRACE("  View       Matrix : (%p)\n", lpDevice->view_mat);
 332                             dump_D3DMATRIX(lpDevice->view_mat);
 333                             TRACE("  World Matrix : (%p)\n", lpDevice->world_mat);
 334                             dump_D3DMATRIX(lpDevice->world_mat);
 335                         }
 336
 337                         multiply_matrix(&mat,lpDevice->view_mat,lpDevice->world_mat);
 338                         multiply_matrix(&mat,lpDevice->proj_mat,&mat);
 339
 340                         for (nb = 0; nb < ci->dwCount; nb++) {
 341                             /* Normals transformation */
 342                             nx = (src->u4.nx * mat2->_11) + (src->u5.ny * mat2->_21) + (src->u6.nz * mat2->_31);
 343                             ny = (src->u4.nx * mat2->_12) + (src->u5.ny * mat2->_22) + (src->u6.nz * mat2->_32);
 344                             nz = (src->u4.nx * mat2->_13) + (src->u5.ny * mat2->_23) + (src->u6.nz * mat2->_33);
 345
 346                             /* No lighting yet */
 347                             dst->u5.color = 0xFFFFFFFF; /* Opaque white */
 348                             dst->u6.specular = 0xFF000000; /* No specular and no fog factor */
 349
 350                             dst->u7.tu  = src->u7.tu;
 351                             dst->u8.tv  = src->u8.tv;
 352
 353                             /* Now, the matrix multiplication */
 354                             dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 355                             dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);
 356                             dst->u3.sz = (src->u1.x * mat._13) + (src->u2.y * mat._23) + (src->u3.z * mat._33) + (1.0 * mat._43);
 357                             dst->u4.rhw = (src->u1.x * mat._14) + (src->u2.y * mat._24) + (src->u3.z * mat._34) + (1.0 * mat._44);
 358
 359                             dst->u1.sx = dst->u1.sx / dst->u4.rhw * Viewport->dwWidth / 2
 360                                        + Viewport->dwX + Viewport->dwWidth / 2;
 361                             dst->u2.sy = dst->u2.sy / dst->u4.rhw * Viewport->dwHeight / 2
 362                                        + Viewport->dwY + Viewport->dwHeight / 2;
 363                             dst->u3.sz /= dst->u4.rhw;
 364                             dst->u4.rhw = 1 / dst->u4.rhw;
 365
 366                             src++;
 367                             dst++;
 368
 369                         }
 370                     } else if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORM) {
 371                         unsigned int nb;
 372                         D3DLVERTEX *src  = ((LPD3DLVERTEX) ((char *)This->desc.lpData + vs)) + ci->wStart;
 373                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 374                         D3DMATRIX mat;
 375                         D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 376
 377                         if (TRACE_ON(ddraw)) {
 378                             TRACE("  Projection Matrix : (%p)\n", lpDevice->proj_mat);
 379                             dump_D3DMATRIX(lpDevice->proj_mat);
 380                             TRACE("  View       Matrix : (%p)\n", lpDevice->view_mat);
 381                             dump_D3DMATRIX(lpDevice->view_mat);
 382                             TRACE("  World Matrix : (%p)\n", &mat);
 383                             dump_D3DMATRIX(&mat);
 384                         }
 385
 386                         multiply_matrix(&mat,lpDevice->view_mat,lpDevice->world_mat);
 387                         multiply_matrix(&mat,lpDevice->proj_mat,&mat);
 388
 389                         for (nb = 0; nb < ci->dwCount; nb++) {
 390                             dst->u5.color = src->u4.color;
 391                             dst->u6.specular = src->u5.specular;
 392                             dst->u7.tu = src->u6.tu;
 393                             dst->u8.tv = src->u7.tv;
 394
 395                             /* Now, the matrix multiplication */
 396                             dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 397                             dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);
 398                             dst->u3.sz = (src->u1.x * mat._13) + (src->u2.y * mat._23) + (src->u3.z * mat._33) + (1.0 * mat._43);
 399                             dst->u4.rhw = (src->u1.x * mat._14) + (src->u2.y * mat._24) + (src->u3.z * mat._34) + (1.0 * mat._44);
 400
 401                             dst->u1.sx /= dst->u4.rhw * Viewport->dvScaleX * Viewport->dwWidth / 2 + Viewport->dwX;
 402                             dst->u2.sy /= dst->u4.rhw * Viewport->dvScaleY * Viewport->dwHeight / 2 + Viewport->dwY;
 403                             dst->u3.sz /= dst->u4.rhw;
 404                             dst->u4.rhw = 1 / dst->u4.rhw;
 405
 406                             src++;
 407                             dst++;
 408                         }
 409                     } else if (ci->dwFlags == D3DPROCESSVERTICES_COPY) {
 410                         D3DTLVERTEX *src = ((LPD3DTLVERTEX) ((char *)This->desc.lpData + vs)) + ci->wStart;
 411                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 412
 413                         memcpy(dst, src, ci->dwCount * sizeof(D3DTLVERTEX));
 414                     } else {
 415                         ERR("Unhandled vertex processing !\n");
 416                     }
 417
 418                     instr += size;
 419                 }
 420             } break;
 421
 422             case D3DOP_TEXTURELOAD: {
 423                 WARN("TEXTURELOAD-s    (%d)\n", count);
 424
 425                 instr += count * size;
 426             } break;
 427
 428             case D3DOP_EXIT: {
 429                 TRACE("EXIT             (%d)\n", count);
 430                 /* We did this instruction */
 431                 instr += size;
 432                 /* Exit this loop */
 433                 goto end_of_buffer;
 434             } break;
 435
 436             case D3DOP_BRANCHFORWARD: {
 437                 int i;
 438                 TRACE("BRANCHFORWARD    (%d)\n", count);
 439
 440                 for (i = 0; i < count; i++) {
 441                     LPD3DBRANCH ci = (LPD3DBRANCH) instr;
 442
 443                     if ((This->data.dsStatus.dwStatus & ci->dwMask) == ci->dwValue) {
 444                         if (!ci->bNegate) {
 445                             TRACE(" Branch to %ld\n", ci->dwOffset);
 446                             instr = (char*)current + ci->dwOffset;
 447                             break;
 448                         }
 449                     } else {
 450                         if (ci->bNegate) {
 451                             TRACE(" Branch to %ld\n", ci->dwOffset);
 452                             instr = (char*)current + ci->dwOffset;
 453                             break;
 454                         }
 455                     }
 456
 457                     instr += size;
 458                 }
 459             } break;
 460
 461             case D3DOP_SPAN: {
 462                 WARN("SPAN-s           (%d)\n", count);
 463
 464                 instr += count * size;
 465             } break;
 466
 467             case D3DOP_SETSTATUS: {
 468                 int i;
 469                 TRACE("SETSTATUS        (%d)\n", count);
 470
 471                 for (i = 0; i < count; i++) {
 472                     LPD3DSTATUS ci = (LPD3DSTATUS) instr;
 473
 474                     This->data.dsStatus = *ci;
 475
 476                     instr += size;
 477                 }
 478             } break;
 479
 480             default:
 481                 ERR("Unhandled OpCode %d !!!\n",current->bOpcode);
 482                 /* Try to save ... */
 483                 instr += count * size;
 484                 break;
 485         }
 486     }
 487
 488 end_of_buffer:
 489     ;
 490 }
 491
 492 HRESULT WINAPI
 493 Main_IDirect3DExecuteBufferImpl_1_QueryInterface(LPDIRECT3DEXECUTEBUFFER iface,
 494                                                  REFIID riid,
 495                                                  LPVOID* obp)
 496 {
 497     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 498     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_guid(riid), obp);
 499
 500     *obp = NULL;
 501
 502     if ( IsEqualGUID( &IID_IUnknown,  riid ) ) {
 503         IDirect3DExecuteBuffer_AddRef(ICOM_INTERFACE(This, IDirect3DExecuteBuffer));
 504         *obp = iface;
 505         TRACE("  Creating IUnknown interface at %p.\n", *obp);
 506         return S_OK;
 507     }
 508     if ( IsEqualGUID( &IID_IDirect3DMaterial, riid ) ) {
 509         IDirect3DExecuteBuffer_AddRef(ICOM_INTERFACE(This, IDirect3DExecuteBuffer));
 510         *obp = ICOM_INTERFACE(This, IDirect3DExecuteBuffer);
 511         TRACE("  Creating IDirect3DExecuteBuffer interface %p\n", *obp);
 512         return S_OK;
 513     }
 514     FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid));
 515     return OLE_E_ENUM_NOMORE;
 516 }
 517
 518 ULONG WINAPI
 519 Main_IDirect3DExecuteBufferImpl_1_AddRef(LPDIRECT3DEXECUTEBUFFER iface)
 520 {
 521     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 522     ULONG ref = InterlockedIncrement(&This->ref);
 523
 524     FIXME("(%p/%p)->()incrementing from %lu.\n", This, iface, ref - 1);
 525
 526     return ref;
 527 }
 528
 529 ULONG WINAPI
 530 Main_IDirect3DExecuteBufferImpl_1_Release(LPDIRECT3DEXECUTEBUFFER iface)
 531 {
 532     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 533     ULONG ref = InterlockedDecrement(&This->ref);
 534
 535     TRACE("(%p/%p)->()decrementing from %lu.\n", This, iface, ref + 1);
 536
 537     if (!ref) {
 538         if ((This->desc.lpData != NULL) && This->need_free)
 539             HeapFree(GetProcessHeap(),0,This->desc.lpData);
 540         HeapFree(GetProcessHeap(),0,This->vertex_data);
 541         HeapFree(GetProcessHeap(),0,This->indices);
 542         HeapFree(GetProcessHeap(),0,This);
 543         return 0;
 544     }
 545
 546     return ref;
 547 }
 548
 549 HRESULT WINAPI
 550 Main_IDirect3DExecuteBufferImpl_1_Initialize(LPDIRECT3DEXECUTEBUFFER iface,
 551                                              LPDIRECT3DDEVICE lpDirect3DDevice,
 552                                              LPD3DEXECUTEBUFFERDESC lpDesc)
 553 {
 554     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 555     TRACE("(%p/%p)->(%p,%p) no-op....\n", This, iface, lpDirect3DDevice, lpDesc);
 556     return DD_OK;
 557 }
 558
 559 HRESULT WINAPI
 560 Main_IDirect3DExecuteBufferImpl_1_Lock(LPDIRECT3DEXECUTEBUFFER iface,
 561                                        LPD3DEXECUTEBUFFERDESC lpDesc)
 562 {
 563     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 564     DWORD dwSize;
 565     TRACE("(%p/%p)->(%p)\n", This, iface, lpDesc);
 566
 567     dwSize = lpDesc->dwSize;
 568     memset(lpDesc, 0, dwSize);
 569     memcpy(lpDesc, &This->desc, dwSize);
 570
 571     if (TRACE_ON(ddraw)) {
 572         TRACE("  Returning description : \n");
 573         _dump_D3DEXECUTEBUFFERDESC(lpDesc);
 574     }
 575     return DD_OK;
 576 }
 577
 578 HRESULT WINAPI
 579 Main_IDirect3DExecuteBufferImpl_1_Unlock(LPDIRECT3DEXECUTEBUFFER iface)
 580 {
 581     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 582     TRACE("(%p/%p)->() no-op...\n", This, iface);
 583     return DD_OK;
 584 }
 585
 586 HRESULT WINAPI
 587 Main_IDirect3DExecuteBufferImpl_1_SetExecuteData(LPDIRECT3DEXECUTEBUFFER iface,
 588                                                  LPD3DEXECUTEDATA lpData)
 589 {
 590     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 591     DWORD nbvert;
 592     TRACE("(%p/%p)->(%p)\n", This, iface, lpData);
 593
 594     memcpy(&This->data, lpData, lpData->dwSize);
 595
 596     /* Get the number of vertices in the execute buffer */
 597     nbvert = This->data.dwVertexCount;
 598
 599     /* Prepares the transformed vertex buffer */
 600     HeapFree(GetProcessHeap(), 0, This->vertex_data);
 601     This->vertex_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbvert * sizeof(D3DTLVERTEX));
 602
 603     if (TRACE_ON(ddraw)) {
 604         _dump_executedata(lpData);
 605     }
 606
 607     return DD_OK;
 608 }
 609
 610 HRESULT WINAPI
 611 Main_IDirect3DExecuteBufferImpl_1_GetExecuteData(LPDIRECT3DEXECUTEBUFFER iface,
 612                                                  LPD3DEXECUTEDATA lpData)
 613 {
 614     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 615     DWORD dwSize;
 616     TRACE("(%p/%p)->(%p): stub!\n", This, iface, lpData);
 617
 618     dwSize = lpData->dwSize;
 619     memset(lpData, 0, dwSize);
 620     memcpy(lpData, &This->data, dwSize);
 621
 622     if (TRACE_ON(ddraw)) {
 623         TRACE("Returning data : \n");
 624         _dump_executedata(lpData);
 625     }
 626
 627     return DD_OK;
 628 }
 629
 630 HRESULT WINAPI
 631 Main_IDirect3DExecuteBufferImpl_1_Validate(LPDIRECT3DEXECUTEBUFFER iface,
 632                                            LPDWORD lpdwOffset,
 633                                            LPD3DVALIDATECALLBACK lpFunc,
 634                                            LPVOID lpUserArg,
 635                                            DWORD dwReserved)
 636 {
 637     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 638     FIXME("(%p/%p)->(%p,%p,%p,%08lx): stub!\n", This, iface, lpdwOffset, lpFunc, lpUserArg, dwReserved);
 639     return DD_OK;
 640 }
 641
 642 HRESULT WINAPI
 643 Main_IDirect3DExecuteBufferImpl_1_Optimize(LPDIRECT3DEXECUTEBUFFER iface,
 644                                            DWORD dwDummy)
 645 {
 646     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 647     TRACE("(%p/%p)->(%08lx) no-op...\n", This, iface, dwDummy);
 648     return DD_OK;
 649 }
 650
 651 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
 652 # define XCAST(fun)     (typeof(VTABLE_IDirect3DExecuteBuffer.fun))
 653 #else
 654 # define XCAST(fun)     (void*)
 655 #endif
 656
 657 IDirect3DExecuteBufferVtbl VTABLE_IDirect3DExecuteBuffer =
 658 {
 659     XCAST(QueryInterface) Main_IDirect3DExecuteBufferImpl_1_QueryInterface,
 660     XCAST(AddRef) Main_IDirect3DExecuteBufferImpl_1_AddRef,
 661     XCAST(Release) Main_IDirect3DExecuteBufferImpl_1_Release,
 662     XCAST(Initialize) Main_IDirect3DExecuteBufferImpl_1_Initialize,
 663     XCAST(Lock) Main_IDirect3DExecuteBufferImpl_1_Lock,
 664     XCAST(Unlock) Main_IDirect3DExecuteBufferImpl_1_Unlock,
 665     XCAST(SetExecuteData) Main_IDirect3DExecuteBufferImpl_1_SetExecuteData,
 666     XCAST(GetExecuteData) Main_IDirect3DExecuteBufferImpl_1_GetExecuteData,
 667     XCAST(Validate) Main_IDirect3DExecuteBufferImpl_1_Validate,
 668     XCAST(Optimize) Main_IDirect3DExecuteBufferImpl_1_Optimize,
 669 };
 670
 671 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
 672 #undef XCAST
 673 #endif
 674
 675
 676 HRESULT d3dexecutebuffer_create(IDirect3DExecuteBufferImpl **obj, IDirectDrawImpl *d3d, IDirect3DDeviceImpl *d3ddev, LPD3DEXECUTEBUFFERDESC lpDesc)
 677 {
 678     IDirect3DExecuteBufferImpl* object;
 679
 680     object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirect3DExecuteBufferImpl));
 681
 682     ICOM_INIT_INTERFACE(object, IDirect3DExecuteBuffer, VTABLE_IDirect3DExecuteBuffer);
 683
 684     object->ref = 1;
 685     object->d3d = d3d;
 686     object->d3ddev = d3ddev;
 687
 688     /* Initializes memory */
 689     memcpy(&object->desc, lpDesc, lpDesc->dwSize);
 690
 691     /* No buffer given */
 692     if ((object->desc.dwFlags & D3DDEB_LPDATA) == 0)
 693         object->desc.lpData = NULL;
 694
 695     /* No buffer size given */
 696     if ((lpDesc->dwFlags & D3DDEB_BUFSIZE) == 0)
 697         object->desc.dwBufferSize = 0;
 698
 699     /* Create buffer if asked */
 700     if ((object->desc.lpData == NULL) && (object->desc.dwBufferSize > 0)) {
 701         object->need_free = TRUE;
 702         object->desc.lpData = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,object->desc.dwBufferSize);
 703     } else {
 704         object->need_free = FALSE;
 705     }
 706
 707     /* No vertices for the moment */
 708     object->vertex_data = NULL;
 709
 710     object->desc.dwFlags |= D3DDEB_LPDATA;
 711
 712     object->execute = execute;
 713
 714     object->indices = NULL;
 715     object->nb_indices = 0;
 716
 717     *obj = object;
 718
 719     TRACE(" creating implementation at %p.\n", *obj);
 720
 721     return DD_OK;
 722 }