git.oblomov.eu Git - wine/blob - dlls/ddraw/d3dexecutebuffer.c

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