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   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 file contains the implementation of IDirect3DExecuteBuffer.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <assert.h>
  27 #include <stdarg.h>
  28 #include <string.h>
  29 #include <stdlib.h>
  30
  31 #define COBJMACROS
  32 #define NONAMELESSUNION
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winnls.h"
  37 #include "winerror.h"
  38 #include "wingdi.h"
  39 #include "wine/exception.h"
  40 #include "excpt.h"
  41
  42 #include "ddraw.h"
  43 #include "d3d.h"
  44
  45 #include "ddraw_private.h"
  46 #include "wine/debug.h"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(d3d7);
  49
  50 /*****************************************************************************
  51  * _dump_executedata
  52  * _dump_D3DEXECUTEBUFFERDESC
  53  *
  54  * Debug functions which write the executebuffer data to the console
  55  *
  56  *****************************************************************************/
  57
  58 static void _dump_executedata(LPD3DEXECUTEDATA lpData) {
  59     DPRINTF("dwSize : %ld\n", lpData->dwSize);
  60     DPRINTF("Vertex      Offset : %ld  Count  : %ld\n", lpData->dwVertexOffset, lpData->dwVertexCount);
  61     DPRINTF("Instruction Offset : %ld  Length : %ld\n", lpData->dwInstructionOffset, lpData->dwInstructionLength);
  62     DPRINTF("HVertex     Offset : %ld\n", lpData->dwHVertexOffset);
  63 }
  64
  65 static void _dump_D3DEXECUTEBUFFERDESC(LPD3DEXECUTEBUFFERDESC lpDesc) {
  66     DPRINTF("dwSize       : %ld\n", lpDesc->dwSize);
  67     DPRINTF("dwFlags      : %lx\n", lpDesc->dwFlags);
  68     DPRINTF("dwCaps       : %lx\n", lpDesc->dwCaps);
  69     DPRINTF("dwBufferSize : %ld\n", lpDesc->dwBufferSize);
  70     DPRINTF("lpData       : %p\n", lpDesc->lpData);
  71 }
  72
  73 /*****************************************************************************
  74  * IDirect3DExecuteBufferImpl_Execute
  75  *
  76  * The main functionality of the execute buffer
  77  * It transforms the vertices if necessary, and calls IDirect3DDevice7
  78  * for drawing the vertices. It is called from
  79  * IDirect3DDevice::Execute
  80  *
  81  * TODO: Perhaps some comments about the various opcodes wouldn't hurt
  82  *
  83  * Don't declare this static, as it's called from device.c,
  84  * IDirect3DDevice::Execute
  85  *
  86  * Params:
  87  *  Device: 3D Device associated to use for drawing
  88  *  Viewport: Viewport for this operation
  89  *
  90  *****************************************************************************/
  91 void
  92 IDirect3DExecuteBufferImpl_Execute(IDirect3DExecuteBufferImpl *This,
  93                                    IDirect3DDeviceImpl *lpDevice,
  94                                    IDirect3DViewportImpl *lpViewport)
  95 {
  96     /* DWORD bs = This->desc.dwBufferSize; */
  97     DWORD vs = This->data.dwVertexOffset;
  98     /* DWORD vc = This->data.dwVertexCount; */
  99     DWORD is = This->data.dwInstructionOffset;
 100     /* DWORD il = This->data.dwInstructionLength; */
 101
 102     char *instr = (char *)This->desc.lpData + is;
 103
 104     /* Should check if the viewport was added or not to the device */
 105
 106     /* Activate the viewport */
 107     lpViewport->active_device = lpDevice;
 108     lpViewport->activate(lpViewport);
 109
 110     TRACE("ExecuteData :\n");
 111     if (TRACE_ON(d3d7))
 112       _dump_executedata(&(This->data));
 113
 114     while (1) {
 115         LPD3DINSTRUCTION current = (LPD3DINSTRUCTION) instr;
 116         BYTE size;
 117         WORD count;
 118
 119         count = current->wCount;
 120         size = current->bSize;
 121         instr += sizeof(D3DINSTRUCTION);
 122
 123         switch (current->bOpcode) {
 124             case D3DOP_POINT: {
 125                 WARN("POINT-s          (%d)\n", count);
 126                 instr += count * size;
 127             } break;
 128
 129             case D3DOP_LINE: {
 130                 WARN("LINE-s           (%d)\n", count);
 131                 instr += count * size;
 132             } break;
 133
 134             case D3DOP_TRIANGLE: {
 135                 int i;
 136                 D3DTLVERTEX *tl_vx = (D3DTLVERTEX *) This->vertex_data;
 137                 TRACE("TRIANGLE         (%d)\n", count);
 138
 139                 if (count*3>This->nb_indices) {
 140                     This->nb_indices = count * 3;
 141                     HeapFree(GetProcessHeap(),0,This->indices);
 142                     This->indices = HeapAlloc(GetProcessHeap(),0,sizeof(WORD)*This->nb_indices);
 143                 }
 144
 145                 for (i = 0; i < count; i++) {
 146                     LPD3DTRIANGLE ci = (LPD3DTRIANGLE) instr;
 147                     TRACE_(d3d7)("  v1: %d  v2: %d  v3: %d\n",ci->u1.v1, ci->u2.v2, ci->u3.v3);
 148                     TRACE_(d3d7)("  Flags : ");
 149                     if (TRACE_ON(d3d7)) {
 150                         /* Wireframe */
 151                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 152                             TRACE_(d3d7)("EDGEENABLE1 ");
 153                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE2)
 154                             TRACE_(d3d7)("EDGEENABLE2 ");
 155                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 156                             TRACE_(d3d7)("EDGEENABLE3 ");
 157                         /* Strips / Fans */
 158                         if (ci->wFlags == D3DTRIFLAG_EVEN)
 159                             TRACE_(d3d7)("EVEN ");
 160                         if (ci->wFlags == D3DTRIFLAG_ODD)
 161                             TRACE_(d3d7)("ODD ");
 162                         if (ci->wFlags == D3DTRIFLAG_START)
 163                             TRACE_(d3d7)("START ");
 164                         if ((ci->wFlags > 0) && (ci->wFlags < 30))
 165                             TRACE_(d3d7)("STARTFLAT(%d) ", ci->wFlags);
 166                         TRACE_(d3d7)("\n");
 167                     }
 168                     This->indices[(i * 3)    ] = ci->u1.v1;
 169                     This->indices[(i * 3) + 1] = ci->u2.v2;
 170                     This->indices[(i * 3) + 2] = ci->u3.v3;
 171                     instr += size;
 172                 }
 173                 /* IDirect3DDevices have color keying always enabled -
 174                  * enable it before drawing. This overwrites any ALPHA*
 175                  * render state
 176                  */
 177                 IWineD3DDevice_SetRenderState(lpDevice->wineD3DDevice,
 178                                               WINED3DRS_COLORKEYENABLE,
 179                                               1);
 180                 IDirect3DDevice7_DrawIndexedPrimitive(ICOM_INTERFACE(lpDevice,IDirect3DDevice7),
 181                                                       D3DPT_TRIANGLELIST,D3DFVF_TLVERTEX,tl_vx,0,This->indices,count*3,0);
 182             } break;
 183
 184             case D3DOP_MATRIXLOAD:
 185                 WARN("MATRIXLOAD-s     (%d)\n", count);
 186                 instr += count * size;
 187                 break;
 188
 189             case D3DOP_MATRIXMULTIPLY: {
 190                 int i;
 191                 TRACE("MATRIXMULTIPLY   (%d)\n", count);
 192
 193                 for (i = 0; i < count; i++) {
 194                     LPD3DMATRIXMULTIPLY ci = (LPD3DMATRIXMULTIPLY) instr;
 195                     LPD3DMATRIX a = (LPD3DMATRIX) ci->hDestMatrix;
 196                     LPD3DMATRIX b = (LPD3DMATRIX) ci->hSrcMatrix1;
 197                     LPD3DMATRIX c = (LPD3DMATRIX) ci->hSrcMatrix2;
 198
 199                     TRACE("  Dest : %08lx  Src1 : %08lx  Src2 : %08lx\n",
 200                           ci->hDestMatrix, ci->hSrcMatrix1, ci->hSrcMatrix2);
 201
 202                     multiply_matrix(a,c,b);
 203
 204                     instr += size;
 205                 }
 206             } break;
 207
 208             case D3DOP_STATETRANSFORM: {
 209                 int i;
 210                 TRACE("STATETRANSFORM   (%d)\n", count);
 211
 212                 for (i = 0; i < count; i++) {
 213                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 214
 215                     IDirect3DDevice7_SetTransform(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 216                                                   ci->u1.drstRenderStateType, (LPD3DMATRIX)ci->u2.dwArg[0]);
 217
 218                     instr += size;
 219                 }
 220             } break;
 221
 222             case D3DOP_STATELIGHT: {
 223                 int i;
 224                 TRACE("STATELIGHT       (%d)\n", count);
 225
 226                 for (i = 0; i < count; i++) {
 227                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 228
 229                     TRACE("(%08x,%08lx)\n",ci->u1.dlstLightStateType, ci->u2.dwArg[0]);
 230
 231                     if (!ci->u1.dlstLightStateType && (ci->u1.dlstLightStateType > D3DLIGHTSTATE_COLORVERTEX))
 232                         ERR("Unexpected Light State Type\n");
 233                     else if (ci->u1.dlstLightStateType == D3DLIGHTSTATE_MATERIAL /* 1 */) {
 234                         IDirect3DMaterialImpl *mat = (IDirect3DMaterialImpl *) ci->u2.dwArg[0];
 235
 236                         if (mat != NULL) {
 237                             mat->activate(mat);
 238                         } else {
 239                             FIXME(" D3DLIGHTSTATE_MATERIAL called with NULL material !!!\n");
 240                         }
 241                     }
 242                    else if (ci->u1.dlstLightStateType == D3DLIGHTSTATE_COLORMODEL /* 3 */) {
 243                         switch (ci->u2.dwArg[0]) {
 244                             case D3DCOLOR_MONO:
 245                                ERR("DDCOLOR_MONO should not happen!\n");
 246                                break;
 247                             case D3DCOLOR_RGB:
 248                                /* We are already in this mode */
 249                                break;
 250                             default:
 251                                ERR("Unknown color model!\n");
 252                         }
 253                     } else {
 254                         D3DRENDERSTATETYPE rs = 0;
 255                         switch (ci->u1.dlstLightStateType) {
 256
 257                             case D3DLIGHTSTATE_AMBIENT:       /* 2 */
 258                                 rs = D3DRENDERSTATE_AMBIENT;
 259                                 break;
 260                             case D3DLIGHTSTATE_FOGMODE:       /* 4 */
 261                                 rs = D3DRENDERSTATE_FOGVERTEXMODE;
 262                                 break;
 263                             case D3DLIGHTSTATE_FOGSTART:      /* 5 */
 264                                 rs = D3DRENDERSTATE_FOGSTART;
 265                                 break;
 266                             case D3DLIGHTSTATE_FOGEND:        /* 6 */
 267                                 rs = D3DRENDERSTATE_FOGEND;
 268                                 break;
 269                             case D3DLIGHTSTATE_FOGDENSITY:    /* 7 */
 270                                 rs = D3DRENDERSTATE_FOGDENSITY;
 271                                 break;
 272                             case D3DLIGHTSTATE_COLORVERTEX:   /* 8 */
 273                                 rs = D3DRENDERSTATE_COLORVERTEX;
 274                                 break;
 275                             default:
 276                                 break;
 277                         }
 278
 279                         IDirect3DDevice7_SetRenderState(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 280                                                         rs,ci->u2.dwArg[0]);
 281                    }
 282
 283                    instr += size;
 284                 }
 285             } break;
 286
 287             case D3DOP_STATERENDER: {
 288                 int i;
 289                 TRACE("STATERENDER      (%d)\n", count);
 290
 291                 for (i = 0; i < count; i++) {
 292                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 293
 294                     IDirect3DDevice7_SetRenderState(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 295                                                     ci->u1.drstRenderStateType, ci->u2.dwArg[0]);
 296
 297                     instr += size;
 298                 }
 299             } break;
 300
 301             case D3DOP_PROCESSVERTICES:
 302             {
 303                 /* TODO: Share code with IDirect3DVertexBuffer::ProcessVertices and / or
 304                  * IWineD3DDevice::ProcessVertices
 305                  */
 306                 int i;
 307                 D3DMATRIX view_mat, world_mat, proj_mat;
 308                 TRACE("PROCESSVERTICES  (%d)\n", count);
 309
 310                 /* Get the transform and world matrix */
 311                 IWineD3DDevice_GetTransform(lpDevice->wineD3DDevice,
 312                                             D3DTRANSFORMSTATE_VIEW,
 313                                             &view_mat);
 314
 315                 IWineD3DDevice_GetTransform(lpDevice->wineD3DDevice,
 316                                             D3DTRANSFORMSTATE_PROJECTION,
 317                                             &proj_mat);
 318
 319                 IWineD3DDevice_GetTransform(lpDevice->wineD3DDevice,
 320                                             D3DTRANSFORMSTATE_WORLD,
 321                                             &world_mat);
 322
 323                 for (i = 0; i < count; i++) {
 324                     LPD3DPROCESSVERTICES ci = (LPD3DPROCESSVERTICES) instr;
 325
 326                     TRACE("  Start : %d Dest : %d Count : %ld\n",
 327                           ci->wStart, ci->wDest, ci->dwCount);
 328                     TRACE("  Flags : ");
 329                     if (TRACE_ON(d3d7)) {
 330                         if (ci->dwFlags & D3DPROCESSVERTICES_COPY)
 331                             TRACE("COPY ");
 332                         if (ci->dwFlags & D3DPROCESSVERTICES_NOCOLOR)
 333                             TRACE("NOCOLOR ");
 334                         if (ci->dwFlags == D3DPROCESSVERTICES_OPMASK)
 335                             TRACE("OPMASK ");
 336                         if (ci->dwFlags & D3DPROCESSVERTICES_TRANSFORM)
 337                             TRACE("TRANSFORM ");
 338                         if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT)
 339                             TRACE("TRANSFORMLIGHT ");
 340                         if (ci->dwFlags & D3DPROCESSVERTICES_UPDATEEXTENTS)
 341                             TRACE("UPDATEEXTENTS ");
 342                         TRACE("\n");
 343                     }
 344
 345                     /* This is where doing Direct3D on top on OpenGL is quite difficult.
 346                        This method transforms a set of vertices using the CURRENT state
 347                        (lighting, projection, ...) but does not rasterize them.
 348                        They will only be put on screen later (with the POINT / LINE and
 349                        TRIANGLE op-codes). The problem is that you can have a triangle
 350                        with each point having been transformed using another state...
 351
 352                        In this implementation, I will emulate only ONE thing : each
 353                        vertex can have its own "WORLD" transformation (this is used in the
 354                        TWIST.EXE demo of the 5.2 SDK). I suppose that all vertices of the
 355                        execute buffer use the same state.
 356
 357                        If I find applications that change other states, I will try to do a
 358                        more 'fine-tuned' state emulation (but I may become quite tricky if
 359                        it changes a light position in the middle of a triangle).
 360
 361                        In this case, a 'direct' approach (i.e. without using OpenGL, but
 362                        writing our own 3D rasterizer) would be easier. */
 363
 364                     /* The current method (with the hypothesis that only the WORLD matrix
 365                        will change between two points) is like this :
 366                        - I transform 'manually' all the vertices with the current WORLD
 367                          matrix and store them in the vertex buffer
 368                        - during the rasterization phase, the WORLD matrix will be set to
 369                          the Identity matrix */
 370
 371                     /* Enough for the moment */
 372                     if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT) {
 373                         unsigned int nb;
 374                         D3DVERTEX  *src = ((LPD3DVERTEX)  ((char *)This->desc.lpData + vs)) + ci->wStart;
 375                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 376                         D3DMATRIX *mat2 = &world_mat;
 377                         D3DMATRIX mat;
 378                         D3DVALUE nx,ny,nz;
 379                         D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 380
 381                         if (TRACE_ON(d3d7)) {
 382                             TRACE("  Projection Matrix : (%p)\n", &proj_mat);
 383                             dump_D3DMATRIX(&proj_mat);
 384                             TRACE("  View       Matrix : (%p)\n", &view_mat);
 385                             dump_D3DMATRIX(&view_mat);
 386                             TRACE("  World Matrix : (%p)\n", &world_mat);
 387                             dump_D3DMATRIX(&world_mat);
 388                         }
 389
 390                         multiply_matrix(&mat,&view_mat,&world_mat);
 391                         multiply_matrix(&mat,&proj_mat,&mat);
 392
 393                         for (nb = 0; nb < ci->dwCount; nb++) {
 394                             /* Normals transformation */
 395                             nx = (src->u4.nx * mat2->_11) + (src->u5.ny * mat2->_21) + (src->u6.nz * mat2->_31);
 396                             ny = (src->u4.nx * mat2->_12) + (src->u5.ny * mat2->_22) + (src->u6.nz * mat2->_32);
 397                             nz = (src->u4.nx * mat2->_13) + (src->u5.ny * mat2->_23) + (src->u6.nz * mat2->_33);
 398
 399                             /* No lighting yet */
 400                             dst->u5.color = 0xFFFFFFFF; /* Opaque white */
 401                             dst->u6.specular = 0xFF000000; /* No specular and no fog factor */
 402
 403                             dst->u7.tu  = src->u7.tu;
 404                             dst->u8.tv  = src->u8.tv;
 405
 406                             /* Now, the matrix multiplication */
 407                             dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 408                             dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);
 409                             dst->u3.sz = (src->u1.x * mat._13) + (src->u2.y * mat._23) + (src->u3.z * mat._33) + (1.0 * mat._43);
 410                             dst->u4.rhw = (src->u1.x * mat._14) + (src->u2.y * mat._24) + (src->u3.z * mat._34) + (1.0 * mat._44);
 411
 412                             dst->u1.sx = dst->u1.sx / dst->u4.rhw * Viewport->dwWidth / 2
 413                                        + Viewport->dwX + Viewport->dwWidth / 2;
 414                             dst->u2.sy = dst->u2.sy / dst->u4.rhw * Viewport->dwHeight / 2
 415                                        + Viewport->dwY + Viewport->dwHeight / 2;
 416                             dst->u3.sz /= dst->u4.rhw;
 417                             dst->u4.rhw = 1 / dst->u4.rhw;
 418
 419                             src++;
 420                             dst++;
 421
 422                         }
 423                     } else if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORM) {
 424                         unsigned int nb;
 425                         D3DLVERTEX *src  = ((LPD3DLVERTEX) ((char *)This->desc.lpData + vs)) + ci->wStart;
 426                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 427                         D3DMATRIX mat;
 428                         D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 429
 430                         if (TRACE_ON(d3d7)) {
 431                             TRACE("  Projection Matrix : (%p)\n", &proj_mat);
 432                             dump_D3DMATRIX(&proj_mat);
 433                             TRACE("  View       Matrix : (%p)\n",&view_mat);
 434                             dump_D3DMATRIX(&view_mat);
 435                             TRACE("  World Matrix : (%p)\n", &mat);
 436                             dump_D3DMATRIX(&mat);
 437                         }
 438
 439                         multiply_matrix(&mat,&view_mat,&world_mat);
 440                         multiply_matrix(&mat,&proj_mat,&mat);
 441
 442                         for (nb = 0; nb < ci->dwCount; nb++) {
 443                             dst->u5.color = src->u4.color;
 444                             dst->u6.specular = src->u5.specular;
 445                             dst->u7.tu = src->u6.tu;
 446                             dst->u8.tv = src->u7.tv;
 447
 448                             /* Now, the matrix multiplication */
 449                             dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 450                             dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);
 451                             dst->u3.sz = (src->u1.x * mat._13) + (src->u2.y * mat._23) + (src->u3.z * mat._33) + (1.0 * mat._43);
 452                             dst->u4.rhw = (src->u1.x * mat._14) + (src->u2.y * mat._24) + (src->u3.z * mat._34) + (1.0 * mat._44);
 453
 454                             dst->u1.sx /= dst->u4.rhw * Viewport->dvScaleX * Viewport->dwWidth / 2 + Viewport->dwX;
 455                             dst->u2.sy /= dst->u4.rhw * Viewport->dvScaleY * Viewport->dwHeight / 2 + Viewport->dwY;
 456                             dst->u3.sz /= dst->u4.rhw;
 457                             dst->u4.rhw = 1 / dst->u4.rhw;
 458
 459                             src++;
 460                             dst++;
 461                         }
 462                     } else if (ci->dwFlags == D3DPROCESSVERTICES_COPY) {
 463                         D3DTLVERTEX *src = ((LPD3DTLVERTEX) ((char *)This->desc.lpData + vs)) + ci->wStart;
 464                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 465
 466                         memcpy(dst, src, ci->dwCount * sizeof(D3DTLVERTEX));
 467                     } else {
 468                         ERR("Unhandled vertex processing !\n");
 469                     }
 470
 471                     instr += size;
 472                 }
 473             } break;
 474
 475             case D3DOP_TEXTURELOAD: {
 476                 WARN("TEXTURELOAD-s    (%d)\n", count);
 477
 478                 instr += count * size;
 479             } break;
 480
 481             case D3DOP_EXIT: {
 482                 TRACE("EXIT             (%d)\n", count);
 483                 /* We did this instruction */
 484                 instr += size;
 485                 /* Exit this loop */
 486                 goto end_of_buffer;
 487             } break;
 488
 489             case D3DOP_BRANCHFORWARD: {
 490                 int i;
 491                 TRACE("BRANCHFORWARD    (%d)\n", count);
 492
 493                 for (i = 0; i < count; i++) {
 494                     LPD3DBRANCH ci = (LPD3DBRANCH) instr;
 495
 496                     if ((This->data.dsStatus.dwStatus & ci->dwMask) == ci->dwValue) {
 497                         if (!ci->bNegate) {
 498                             TRACE(" Branch to %ld\n", ci->dwOffset);
 499                             instr = (char*)current + ci->dwOffset;
 500                             break;
 501                         }
 502                     } else {
 503                         if (ci->bNegate) {
 504                             TRACE(" Branch to %ld\n", ci->dwOffset);
 505                             instr = (char*)current + ci->dwOffset;
 506                             break;
 507                         }
 508                     }
 509
 510                     instr += size;
 511                 }
 512             } break;
 513
 514             case D3DOP_SPAN: {
 515                 WARN("SPAN-s           (%d)\n", count);
 516
 517                 instr += count * size;
 518             } break;
 519
 520             case D3DOP_SETSTATUS: {
 521                 int i;
 522                 TRACE("SETSTATUS        (%d)\n", count);
 523
 524                 for (i = 0; i < count; i++) {
 525                     LPD3DSTATUS ci = (LPD3DSTATUS) instr;
 526
 527                     This->data.dsStatus = *ci;
 528
 529                     instr += size;
 530                 }
 531             } break;
 532
 533             default:
 534                 ERR("Unhandled OpCode %d !!!\n",current->bOpcode);
 535                 /* Try to save ... */
 536                 instr += count * size;
 537                 break;
 538         }
 539     }
 540
 541 end_of_buffer:
 542     ;
 543 }
 544
 545 /*****************************************************************************
 546  * IDirect3DExecuteBuffer::QueryInterface
 547  *
 548  * Well, a usual QueryInterface function. Don't know fur sure which
 549  * interfaces it can Query.
 550  *
 551  * Params:
 552  *  riid: The interface ID queried for
 553  *  obj: Address to return the interface pointer at
 554  *
 555  * Returns:
 556  *  D3D_OK in case of a success (S_OK? Think it's the same)
 557  *  OLE_E_ENUM_NOMORE if the interface wasn't found.
 558  *   (E_NOINTERFACE?? Don't know what I really need)
 559  *
 560  *****************************************************************************/
 561 static HRESULT WINAPI
 562 IDirect3DExecuteBufferImpl_QueryInterface(IDirect3DExecuteBuffer *iface,
 563                                           REFIID riid,
 564                                           void **obj)
 565 {
 566     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 567     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_guid(riid), obj);
 568
 569     *obj = NULL;
 570
 571     if ( IsEqualGUID( &IID_IUnknown,  riid ) ) {
 572         IDirect3DExecuteBuffer_AddRef(ICOM_INTERFACE(This, IDirect3DExecuteBuffer));
 573         *obj = iface;
 574         TRACE("  Creating IUnknown interface at %p.\n", *obj);
 575         return S_OK;
 576     }
 577     if ( IsEqualGUID( &IID_IDirect3DMaterial, riid ) ) {
 578         IDirect3DExecuteBuffer_AddRef(ICOM_INTERFACE(This, IDirect3DExecuteBuffer));
 579         *obj = ICOM_INTERFACE(This, IDirect3DExecuteBuffer);
 580         TRACE("  Creating IDirect3DExecuteBuffer interface %p\n", *obj);
 581         return S_OK;
 582     }
 583     FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid));
 584     return E_NOINTERFACE;
 585 }
 586
 587
 588 /*****************************************************************************
 589  * IDirect3DExecuteBuffer::AddRef
 590  *
 591  * A normal AddRef method, nothing special
 592  *
 593  * Returns:
 594  *  The new refcount
 595  *
 596  *****************************************************************************/
 597 static ULONG WINAPI
 598 IDirect3DExecuteBufferImpl_AddRef(IDirect3DExecuteBuffer *iface)
 599 {
 600     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 601     ULONG ref = InterlockedIncrement(&This->ref);
 602
 603     FIXME("(%p)->()incrementing from %lu.\n", This, ref - 1);
 604
 605     return ref;
 606 }
 607
 608 /*****************************************************************************
 609  * IDirect3DExecuteBuffer::Release
 610  *
 611  * A normal Release method, nothing special
 612  *
 613  * Returns:
 614  *  The new refcount
 615  *
 616  *****************************************************************************/
 617 static ULONG WINAPI
 618 IDirect3DExecuteBufferImpl_Release(IDirect3DExecuteBuffer *iface)
 619 {
 620     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 621     ULONG ref = InterlockedDecrement(&This->ref);
 622
 623     TRACE("(%p)->()decrementing from %lu.\n", This, ref + 1);
 624
 625     if (!ref) {
 626         if (This->need_free)
 627             HeapFree(GetProcessHeap(),0,This->desc.lpData);
 628         HeapFree(GetProcessHeap(),0,This->vertex_data);
 629         HeapFree(GetProcessHeap(),0,This->indices);
 630         HeapFree(GetProcessHeap(),0,This);
 631         return 0;
 632     }
 633
 634     return ref;
 635 }
 636
 637 /*****************************************************************************
 638  * IDirect3DExecuteBuffer::Initialize
 639  *
 640  * Initializes the Execute Buffer. This method exists for COM compliance
 641  * Nothing to do here.
 642  *
 643  * Returns:
 644  *  D3D_OK
 645  *
 646  *****************************************************************************/
 647 static HRESULT WINAPI
 648 IDirect3DExecuteBufferImpl_Initialize(IDirect3DExecuteBuffer *iface,
 649                                         IDirect3DDevice *lpDirect3DDevice,
 650                                         D3DEXECUTEBUFFERDESC *lpDesc)
 651 {
 652     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 653     TRACE("(%p)->(%p,%p) no-op....\n", This, lpDirect3DDevice, lpDesc);
 654     return D3D_OK;
 655 }
 656
 657 /*****************************************************************************
 658  * IDirect3DExecuteBuffer::Lock
 659  *
 660  * Locks the buffer, so the app can write into it.
 661  *
 662  * Params:
 663  *  Desc: Pointer to return the buffer description. This Description contains
 664  *        a pointer to the buffer data.
 665  *
 666  * Returns:
 667  *  This implementation always returns D3D_OK
 668  *
 669  *****************************************************************************/
 670 static HRESULT WINAPI
 671 IDirect3DExecuteBufferImpl_Lock(IDirect3DExecuteBuffer *iface,
 672                                 D3DEXECUTEBUFFERDESC *lpDesc)
 673 {
 674     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 675     DWORD dwSize;
 676     TRACE("(%p)->(%p)\n", This, lpDesc);
 677
 678     dwSize = lpDesc->dwSize;
 679     memset(lpDesc, 0, dwSize);
 680     memcpy(lpDesc, &This->desc, dwSize);
 681
 682     if (TRACE_ON(d3d7)) {
 683         TRACE("  Returning description :\n");
 684         _dump_D3DEXECUTEBUFFERDESC(lpDesc);
 685     }
 686     return D3D_OK;
 687 }
 688
 689 /*****************************************************************************
 690  * IDirect3DExecuteBuffer::Unlock
 691  *
 692  * Unlocks the buffer. We don't have anything to do here
 693  *
 694  * Returns:
 695  *  This implementation always returns D3D_OK
 696  *
 697  *****************************************************************************/
 698 static HRESULT WINAPI
 699 IDirect3DExecuteBufferImpl_Unlock(IDirect3DExecuteBuffer *iface)
 700 {
 701     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 702     TRACE("(%p)->() no-op...\n", This);
 703     return D3D_OK;
 704 }
 705
 706 /*****************************************************************************
 707  * IDirect3DExecuteBuffer::SetExecuteData
 708  *
 709  * Sets the execute data. This data is used to describe the buffer's content
 710  *
 711  * Params:
 712  *  Data: Pointer to a D3DEXECUTEDATA structure containing the data to
 713  *  assign
 714  *
 715  * Returns:
 716  *  D3D_OK on success
 717  *  DDERR_OUTOFMEMORY if the vertex buffer allocation failed
 718  *
 719  *****************************************************************************/
 720 static HRESULT WINAPI
 721 IDirect3DExecuteBufferImpl_SetExecuteData(IDirect3DExecuteBuffer *iface,
 722                                           D3DEXECUTEDATA *lpData)
 723 {
 724     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 725     DWORD nbvert;
 726     TRACE("(%p)->(%p)\n", This, lpData);
 727
 728     memcpy(&This->data, lpData, lpData->dwSize);
 729
 730     /* Get the number of vertices in the execute buffer */
 731     nbvert = This->data.dwVertexCount;
 732
 733     /* Prepares the transformed vertex buffer */
 734     HeapFree(GetProcessHeap(), 0, This->vertex_data);
 735     This->vertex_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbvert * sizeof(D3DTLVERTEX));
 736
 737     if (TRACE_ON(d3d7)) {
 738         _dump_executedata(lpData);
 739     }
 740
 741     return D3D_OK;
 742 }
 743
 744 /*****************************************************************************
 745  * IDirect3DExecuteBuffer::GetExecuteData
 746  *
 747  * Returns the data in the execute buffer
 748  *
 749  * Params:
 750  *  Data: Pointer to a D3DEXECUTEDATA structure used to return data
 751  *
 752  * Returns:
 753  *  D3D_OK on success
 754  *
 755  *****************************************************************************/
 756 static HRESULT WINAPI
 757 IDirect3DExecuteBufferImpl_GetExecuteData(IDirect3DExecuteBuffer *iface,
 758                                           D3DEXECUTEDATA *lpData)
 759 {
 760     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 761     DWORD dwSize;
 762     TRACE("(%p)->(%p): stub!\n", This, lpData);
 763
 764     dwSize = lpData->dwSize;
 765     memset(lpData, 0, dwSize);
 766     memcpy(lpData, &This->data, dwSize);
 767
 768     if (TRACE_ON(d3d7)) {
 769         TRACE("Returning data :\n");
 770         _dump_executedata(lpData);
 771     }
 772
 773     return DD_OK;
 774 }
 775
 776 /*****************************************************************************
 777  * IDirect3DExecuteBuffer::Validate
 778  *
 779  * DirectX 5 SDK: "The IDirect3DExecuteBuffer::Validate method is not
 780  * currently implemented"
 781  *
 782  * Params:
 783  *  ?
 784  *
 785  * Returns:
 786  *  DDERR_UNSUPPORTED, because it's not implemented in Windows.
 787  *
 788  *****************************************************************************/
 789 static HRESULT WINAPI
 790 IDirect3DExecuteBufferImpl_Validate(IDirect3DExecuteBuffer *iface,
 791                                     DWORD *Offset,
 792                                     LPD3DVALIDATECALLBACK Func,
 793                                     void *UserArg,
 794                                     DWORD Reserved)
 795 {
 796     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 797     TRACE("(%p)->(%p,%p,%p,%08lx): Unimplemented!\n", This, Offset, Func, UserArg, Reserved);
 798     return DDERR_UNSUPPORTED; /* Unchecked */
 799 }
 800
 801 /*****************************************************************************
 802  * IDirect3DExecuteBuffer::Optimize
 803  *
 804  * DirectX5 SDK: "The IDirect3DExecuteBuffer::Optimize method is not
 805  * currently supported"
 806  *
 807  * Params:
 808  *  Dummy: Seems to be an unused dummy ;)
 809  *
 810  * Returns:
 811  *  DDERR_UNSUPPORTED, because it's not implemented in Windows.
 812  *
 813  *****************************************************************************/
 814 static HRESULT WINAPI
 815 IDirect3DExecuteBufferImpl_Optimize(IDirect3DExecuteBuffer *iface,
 816                                     DWORD Dummy)
 817 {
 818     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 819     TRACE("(%p)->(%08lx): Unimplemented\n", This, Dummy);
 820     return DDERR_UNSUPPORTED; /* Unchecked */
 821 }
 822
 823 const IDirect3DExecuteBufferVtbl IDirect3DExecuteBuffer_Vtbl =
 824 {
 825     IDirect3DExecuteBufferImpl_QueryInterface,
 826     IDirect3DExecuteBufferImpl_AddRef,
 827     IDirect3DExecuteBufferImpl_Release,
 828     IDirect3DExecuteBufferImpl_Initialize,
 829     IDirect3DExecuteBufferImpl_Lock,
 830     IDirect3DExecuteBufferImpl_Unlock,
 831     IDirect3DExecuteBufferImpl_SetExecuteData,
 832     IDirect3DExecuteBufferImpl_GetExecuteData,
 833     IDirect3DExecuteBufferImpl_Validate,
 834     IDirect3DExecuteBufferImpl_Optimize,
 835 };