git.oblomov.eu Git - wine/blob - graphics/d3dexecutebuffer.c

   1 /* Direct3D ExecuteBuffer
   2    (c) 1998 Lionel ULMER
   3
   4    This files contains the implementation of Direct3DExecuteBuffer. */
   5
   6
   7 #include "config.h"
   8 #include "wintypes.h"
   9 #include "winerror.h"
  10 #include "wine/obj_base.h"
  11 #include "heap.h"
  12 #include "ddraw.h"
  13 #include "d3d.h"
  14 #include "debug.h"
  15
  16 #include "d3d_private.h"
  17
  18 #ifdef HAVE_MESAGL
  19
  20 /* Structure to store the 'semi transformed' vertices */
  21 typedef struct {
  22   D3DVALUE x;
  23   D3DVALUE y;
  24   D3DVALUE z;
  25   D3DVALUE w;
  26
  27   D3DVALUE nx;
  28   D3DVALUE ny;
  29   D3DVALUE nz;
  30
  31   D3DVALUE u;
  32   D3DVALUE v;
  33 } OGL_Vertex;
  34
  35 typedef struct {
  36   D3DVALUE x;
  37   D3DVALUE y;
  38   D3DVALUE z;
  39   D3DVALUE w;
  40
  41   D3DCOLOR c;
  42   D3DCOLOR sc;
  43
  44   D3DVALUE u;
  45   D3DVALUE v;
  46 } OGL_LVertex;
  47
  48 static IDirect3DExecuteBuffer_VTable executebuffer_vtable;
  49
  50 /*******************************************************************************
  51  *                              ExecuteBuffer static functions
  52  */
  53 void _dump_d3dstatus(LPD3DSTATUS lpStatus) {
  54
  55 }
  56
  57 void _dump_executedata(LPD3DEXECUTEDATA lpData) {
  58   DUMP("dwSize : %ld\n", lpData->dwSize);
  59   DUMP("Vertex      Offset : %ld  Count  : %ld\n", lpData->dwVertexOffset, lpData->dwVertexCount);
  60   DUMP("Instruction Offset : %ld  Length : %ld\n", lpData->dwInstructionOffset, lpData->dwInstructionLength);
  61   DUMP("HVertex     Offset : %ld\n", lpData->dwHVertexOffset);
  62   _dump_d3dstatus(&(lpData->dsStatus));
  63 }
  64
  65 #define DO_VERTEX(index)                        \
  66 {                                                                               \
  67   glTexCoord2f(vx[index].u,                                                     \
  68                vx[index].v);                                                    \
  69   glNormal3f(vx[index].nx,                                                      \
  70              vx[index].ny,                                                      \
  71              vx[index].nz);                                                     \
  72   glVertex4f(vx[index].x,                                                       \
  73              vx[index].y,                                                       \
  74              vx[index].z,                                                       \
  75              vx[index].w);                                                      \
  76                                                                                 \
  77   TRACE(ddraw, "   V: %f %f %f %f (%f %f %f) (%f %f)\n",                        \
  78         vx[index].x, vx[index].y, vx[index].z, vx[index].w,                     \
  79         vx[index].nx, vx[index].ny, vx[index].nz,                               \
  80         vx[index].u, vx[index].v);                                              \
  81 }
  82
  83 #define DO_LVERTEX(index)                                                       \
  84 {                                                                               \
  85   DWORD col = l_vx[index].c;                                                    \
  86                                                                                 \
  87   glColor3f(((col >> 16) & 0xFF) / 255.0,                                       \
  88             ((col >>  8) & 0xFF) / 255.0,                                       \
  89             ((col >>  0) & 0xFF) / 255.0);                                      \
  90   glTexCoord2f(l_vx[index].u,                                                   \
  91                l_vx[index].v);                                                  \
  92   glVertex4f(l_vx[index].x,                                                     \
  93              l_vx[index].y,                                                     \
  94              l_vx[index].z,                                                     \
  95              l_vx[index].w);                                                    \
  96                                                                                 \
  97   TRACE(ddraw, "  LV: %f %f %f %f (%02lx %02lx %02lx) (%f %f)\n",               \
  98         l_vx[index].x, l_vx[index].y, l_vx[index].z, l_vx[index].w,             \
  99         ((col >> 16) & 0xFF), ((col >>  8) & 0xFF), ((col >>  0) & 0xFF),       \
 100         l_vx[index].u, l_vx[index].v);                                          \
 101 }
 102
 103 #define DO_TLVERTEX(index)                                                      \
 104 {                                                                               \
 105   D3DTLVERTEX *vx = &(tl_vx[index]);                                            \
 106   DWORD col = vx->c.color;                                                      \
 107                                                                                 \
 108   glColor3f(((col >> 16) & 0xFF) / 255.0,                                       \
 109             ((col >>  8) & 0xFF) / 255.0,                                       \
 110             ((col >>  0) & 0xFF) / 255.0);                                      \
 111   glTexCoord2f(vx->u.tu, vx->v.tv);                                             \
 112   if (vx->r.rhw < 0.01)                                                         \
 113     glVertex3f(vx->x.sx,                                                        \
 114                vx->y.sy,                                                        \
 115                vx->z.sz);                                                       \
 116   else                                                                          \
 117     glVertex4f(vx->x.sx / vx->r.rhw,                                            \
 118                vx->y.sy / vx->r.rhw,                                            \
 119                vx->z.sz / vx->r.rhw,                                            \
 120                1.0 / vx->r.rhw);                                                \
 121   TRACE(ddraw, " TLV: %f %f %f (%02lx %02lx %02lx) (%f %f) (%f)\n",             \
 122         vx->x.sx, vx->y.sy, vx->z.sz,                                           \
 123         ((col >> 16) & 0xFF), ((col >>  8) & 0xFF), ((col >>  0) & 0xFF),       \
 124         vx->u.tu, vx->v.tv, vx->r.rhw);                                         \
 125 }
 126
 127 #define TRIANGLE_LOOP(macro)                            \
 128 {                                                       \
 129   glBegin(GL_TRIANGLES); {                              \
 130     for (i = 0; i < count; i++) {                       \
 131       LPD3DTRIANGLE ci = (LPD3DTRIANGLE) instr;         \
 132                                                         \
 133       TRACE(ddraw, "  v1: %d  v2: %d  v3: %d\n",        \
 134             ci->v1.v1, ci->v2.v2, ci->v3.v3);           \
 135       TRACE(ddraw, "  Flags : ");                       \
 136       if (TRACE_ON(ddraw)) {                            \
 137         /* Wireframe */                                 \
 138         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)        \
 139           DUMP("EDGEENABLE1 ");                         \
 140         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE2)        \
 141           DUMP("EDGEENABLE2 ");                         \
 142         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)        \
 143           DUMP("EDGEENABLE3 ");                         \
 144                                                         \
 145         /* Strips / Fans */                             \
 146         if (ci->wFlags == D3DTRIFLAG_EVEN)              \
 147           DUMP("EVEN ");                                \
 148         if (ci->wFlags == D3DTRIFLAG_ODD)               \
 149           DUMP("ODD ");                                 \
 150         if (ci->wFlags == D3DTRIFLAG_START)             \
 151           DUMP("START ");                               \
 152         if ((ci->wFlags > 0) && (ci->wFlags < 30))      \
 153           DUMP("STARTFLAT(%d) ", ci->wFlags);           \
 154         DUMP("\n");                                     \
 155       }                                                 \
 156                                                         \
 157       /* Draw the triangle */                           \
 158       macro(ci->v1.v1);                                 \
 159       macro(ci->v2.v2);                                 \
 160       macro(ci->v3.v3);                                 \
 161                                                         \
 162       instr += size;                                    \
 163     }                                                   \
 164   } glEnd();                                            \
 165 }
 166
 167
 168 static void execute(LPDIRECT3DEXECUTEBUFFER lpBuff,
 169                     LPDIRECT3DDEVICE dev,
 170                     LPDIRECT3DVIEWPORT vp) {
 171   /* DWORD bs = lpBuff->desc.dwBufferSize; */
 172   DWORD vs = lpBuff->data.dwVertexOffset;
 173   /* DWORD vc = lpBuff->data.dwVertexCount; */
 174   DWORD is = lpBuff->data.dwInstructionOffset;
 175   /* DWORD il = lpBuff->data.dwInstructionLength; */
 176
 177   void *instr = lpBuff->desc.lpData + is;
 178   OpenGL_IDirect3DDevice *odev = (OpenGL_IDirect3DDevice *) dev;
 179
 180   TRACE(ddraw, "ExecuteData : \n");
 181   if (TRACE_ON(ddraw))
 182   _dump_executedata(&(lpBuff->data));
 183
 184   while (1) {
 185     LPD3DINSTRUCTION current = (LPD3DINSTRUCTION) instr;
 186     BYTE size;
 187     WORD count;
 188
 189     count = current->wCount;
 190     size = current->bSize;
 191     instr += sizeof(D3DINSTRUCTION);
 192
 193     switch (current->bOpcode) {
 194     case D3DOP_POINT: {
 195       TRACE(ddraw, "POINT-s          (%d)\n", count);
 196
 197       instr += count * size;
 198     } break;
 199
 200     case D3DOP_LINE: {
 201       TRACE(ddraw, "LINE-s           (%d)\n", count);
 202
 203       instr += count * size;
 204     } break;
 205
 206     case D3DOP_TRIANGLE: {
 207       int i;
 208       float z_inv_matrix[16] = {
 209         1.0, 0.0,  0.0, 0.0,
 210         0.0, 1.0,  0.0, 0.0,
 211         0.0, 0.0, -1.0, 0.0,
 212         0.0, 0.0,  1.0, 1.0
 213       };
 214
 215       OGL_Vertex  *vx    = (OGL_Vertex  *) lpBuff->vertex_data;
 216       OGL_LVertex *l_vx  = (OGL_LVertex *) lpBuff->vertex_data;
 217       D3DTLVERTEX *tl_vx = (D3DTLVERTEX *) lpBuff->vertex_data;
 218
 219       TRACE(ddraw, "TRIANGLE         (%d)\n", count);
 220
 221       switch (lpBuff->vertex_type) {
 222       case D3DVT_VERTEX:
 223         /* This time, there is lighting */
 224         glEnable(GL_LIGHTING);
 225
 226       /* Use given matrixes */
 227       glMatrixMode(GL_MODELVIEW);
 228       glLoadIdentity(); /* The model transformation was done during the
 229                            transformation phase */
 230       glMatrixMode(GL_PROJECTION);
 231         TRACE(ddraw, "  Projection Matrix : (%p)\n", odev->proj_mat);
 232         dump_mat(odev->proj_mat);
 233         TRACE(ddraw, "  View       Matrix : (%p)\n", odev->view_mat);
 234         dump_mat(odev->view_mat);
 235
 236         glLoadMatrixf((float *) z_inv_matrix);
 237         glMultMatrixf((float *) odev->proj_mat);
 238       glMultMatrixf((float *) odev->view_mat);
 239         break;
 240
 241       case D3DVT_LVERTEX:
 242         /* No lighting */
 243         glDisable(GL_LIGHTING);
 244
 245         /* Use given matrixes */
 246         glMatrixMode(GL_MODELVIEW);
 247         glLoadIdentity(); /* The model transformation was done during the
 248                              transformation phase */
 249         glMatrixMode(GL_PROJECTION);
 250
 251         TRACE(ddraw, "  Projection Matrix : (%p)\n", odev->proj_mat);
 252         dump_mat(odev->proj_mat);
 253         TRACE(ddraw, "  View       Matrix : (%p)\n", odev->view_mat);
 254         dump_mat(odev->view_mat);
 255
 256         glLoadMatrixf((float *) z_inv_matrix);
 257         glMultMatrixf((float *) odev->proj_mat);
 258         glMultMatrixf((float *) odev->view_mat);
 259         break;
 260
 261       case D3DVT_TLVERTEX: {
 262         GLdouble height, width, minZ, maxZ;
 263
 264         /* First, disable lighting */
 265         glDisable(GL_LIGHTING);
 266
 267         /* Then do not put any transformation matrixes */
 268         glMatrixMode(GL_MODELVIEW);
 269         glLoadIdentity();
 270         glMatrixMode(GL_PROJECTION);
 271         glLoadIdentity();
 272
 273         if (vp == NULL) {
 274           ERR(ddraw, "No current viewport !\n");
 275           /* Using standard values */
 276           height = 640.0;
 277           width = 480.0;
 278           minZ = -10.0;
 279           maxZ = 10.0;
 280         } else {
 281           height = (GLdouble) vp->viewport.vp1.dwHeight;
 282           width  = (GLdouble) vp->viewport.vp1.dwWidth;
 283           minZ   = (GLdouble) vp->viewport.vp1.dvMinZ;
 284           maxZ   = (GLdouble) vp->viewport.vp1.dvMaxZ;
 285
 286           if (minZ == maxZ) {
 287             /* I do not know why, but many Dx 3.0 games have minZ = maxZ = 0.0 */
 288             minZ = 0.0;
 289             maxZ = 1.0;
 290         }
 291         }
 292
 293         glOrtho(0.0, width, height, 0.0, -minZ, -maxZ);
 294       } break;
 295
 296       default:
 297         ERR(ddraw, "Unhandled vertex type !\n");
 298         break;
 299       }
 300
 301       switch (lpBuff->vertex_type) {
 302       case D3DVT_VERTEX:
 303         TRIANGLE_LOOP(DO_VERTEX);
 304         break;
 305
 306       case D3DVT_LVERTEX:
 307         TRIANGLE_LOOP(DO_LVERTEX);
 308         break;
 309
 310       case D3DVT_TLVERTEX:
 311         TRIANGLE_LOOP(DO_TLVERTEX);
 312         break;
 313
 314       default:
 315         ERR(ddraw, "Unhandled vertex type !\n");
 316       }
 317
 318     } break;
 319
 320     case D3DOP_MATRIXLOAD: {
 321       TRACE(ddraw, "MATRIXLOAD-s     (%d)\n", count);
 322
 323       instr += count * size;
 324     } break;
 325
 326     case D3DOP_MATRIXMULTIPLY: {
 327       int i;
 328       TRACE(ddraw, "MATRIXMULTIPLY   (%d)\n", count);
 329
 330       for (i = 0; i < count; i++) {
 331         LPD3DMATRIXMULTIPLY ci = (LPD3DMATRIXMULTIPLY) instr;
 332         LPD3DMATRIX a = (LPD3DMATRIX) ci->hDestMatrix;
 333         LPD3DMATRIX b = (LPD3DMATRIX) ci->hSrcMatrix1;
 334         LPD3DMATRIX c = (LPD3DMATRIX) ci->hSrcMatrix2;
 335
 336         TRACE(ddraw, "  Dest : %08lx  Src1 : %08lx  Src2 : %08lx\n",
 337               ci->hDestMatrix, ci->hSrcMatrix1, ci->hSrcMatrix2);
 338
 339         /* Do the multiplication..
 340            As I am VERY lazy, I let OpenGL do the multiplication for me */
 341         glMatrixMode(GL_PROJECTION);
 342         /* Save the current matrix */
 343         glPushMatrix();
 344         /* Load Matrix one and do the multiplication */
 345         glLoadMatrixf((float *) c);
 346         glMultMatrixf((float *) b);
 347         glGetFloatv(GL_PROJECTION_MATRIX, (float *) a);
 348         /* Restore the current matrix */
 349         glPopMatrix();
 350
 351         instr += size;
 352       }
 353     } break;
 354
 355     case D3DOP_STATETRANSFORM: {
 356       int i;
 357       TRACE(ddraw, "STATETRANSFORM   (%d)\n", count);
 358
 359       for (i = 0; i < count; i++) {
 360         LPD3DSTATE ci = (LPD3DSTATE) instr;
 361
 362         /* Handle the state transform */
 363         switch (ci->t.dtstTransformStateType) {
 364         case D3DTRANSFORMSTATE_WORLD: {
 365           TRACE(ddraw, "  WORLD (%p)\n", (D3DMATRIX*) ci->v.dwArg[0]);
 366           odev->world_mat = (D3DMATRIX*) ci->v.dwArg[0];
 367         } break;
 368
 369         case D3DTRANSFORMSTATE_VIEW: {
 370           TRACE(ddraw, "  VIEW (%p)\n", (D3DMATRIX*) ci->v.dwArg[0]);
 371           odev->view_mat = (D3DMATRIX*) ci->v.dwArg[0];
 372         } break;
 373
 374         case D3DTRANSFORMSTATE_PROJECTION: {
 375           TRACE(ddraw, "  PROJECTION (%p)\n", (D3DMATRIX*) ci->v.dwArg[0]);
 376           odev->proj_mat = (D3DMATRIX*) ci->v.dwArg[0];
 377         } break;
 378
 379         default:
 380           ERR(ddraw, "  Unhandled state transformation !! (%d)\n", (int) ci->t.dtstTransformStateType);
 381           break;
 382
 383         }
 384
 385         instr += size;
 386       }
 387     } break;
 388
 389     case D3DOP_STATELIGHT: {
 390       int i;
 391       TRACE(ddraw, "STATELIGHT       (%d)\n", count);
 392
 393       for (i = 0; i < count; i++) {
 394         LPD3DSTATE ci = (LPD3DSTATE) instr;
 395
 396         /* Handle the state transform */
 397         switch (ci->t.dlstLightStateType) {
 398         case D3DLIGHTSTATE_MATERIAL: {
 399           LPDIRECT3DMATERIAL mat = (LPDIRECT3DMATERIAL) ci->v.dwArg[0];
 400           TRACE(ddraw, "  MATERIAL\n");
 401
 402           if (mat != NULL) {
 403             mat->activate(mat);
 404           } else {
 405             TRACE(ddraw, "    bad Material Handle\n");
 406           }
 407         } break ;
 408
 409         case D3DLIGHTSTATE_AMBIENT: {
 410           float light[4];
 411           DWORD dwLightState = ci->v.dwArg[0];
 412           TRACE(ddraw, "  AMBIENT\n");
 413
 414           light[0] = ((dwLightState >> 16) & 0xFF) / 255.0;
 415           light[1] = ((dwLightState >>  8) & 0xFF) / 255.0;
 416           light[2] = ((dwLightState >>  0) & 0xFF) / 255.0;
 417           light[3] = 1.0;
 418           glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (float *) light);
 419
 420           TRACE(ddraw, "    R:%02lx G:%02lx B:%02lx A:%02lx\n",
 421                 ((dwLightState >> 16) & 0xFF),
 422                 ((dwLightState >>  8) & 0xFF),
 423                 ((dwLightState >>  0) & 0xFF),
 424                 ((dwLightState >> 24) & 0xFF));
 425         } break ;
 426
 427         case D3DLIGHTSTATE_COLORMODEL: {
 428           TRACE(ddraw, "  COLORMODEL\n");
 429         } break ;
 430
 431         case D3DLIGHTSTATE_FOGMODE: {
 432           TRACE(ddraw, "  FOGMODE\n");
 433         } break ;
 434
 435         case D3DLIGHTSTATE_FOGSTART: {
 436           TRACE(ddraw, "  FOGSTART\n");
 437         } break ;
 438
 439         case D3DLIGHTSTATE_FOGEND: {
 440           TRACE(ddraw, "  FOGEND\n");
 441         } break ;
 442
 443         case D3DLIGHTSTATE_FOGDENSITY: {
 444           TRACE(ddraw, "  FOGDENSITY\n");
 445         } break ;
 446
 447         default:
 448           ERR(ddraw, "  Unhandled light state !! (%d)\n", (int) ci->t.dlstLightStateType);
 449           break;
 450         }
 451         instr += size;
 452       }
 453     } break;
 454
 455     case D3DOP_STATERENDER: {
 456       int i;
 457       TRACE(ddraw, "STATERENDER      (%d)\n", count);
 458
 459       for (i = 0; i < count; i++) {
 460         LPD3DSTATE ci = (LPD3DSTATE) instr;
 461
 462         /* Handle the state transform */
 463         set_render_state(ci->t.drstRenderStateType, ci->v.dwArg[0], &(odev->rs));
 464
 465         instr += size;
 466       }
 467     } break;
 468
 469     case D3DOP_PROCESSVERTICES: {
 470       int i;
 471       TRACE(ddraw, "PROCESSVERTICES  (%d)\n", count);
 472
 473       for (i = 0; i < count; i++) {
 474         LPD3DPROCESSVERTICES ci = (LPD3DPROCESSVERTICES) instr;
 475
 476         TRACE(ddraw, "  Start : %d Dest : %d Count : %ld\n",
 477               ci->wStart, ci->wDest, ci->dwCount);
 478         TRACE(ddraw, "  Flags : ");
 479         if (TRACE_ON(ddraw)) {
 480           if (ci->dwFlags & D3DPROCESSVERTICES_COPY)
 481             DUMP("COPY ");
 482           if (ci->dwFlags & D3DPROCESSVERTICES_NOCOLOR)
 483             DUMP("NOCOLOR ");
 484           if (ci->dwFlags == D3DPROCESSVERTICES_OPMASK)
 485             DUMP("OPMASK ");
 486           if (ci->dwFlags & D3DPROCESSVERTICES_TRANSFORM)
 487             DUMP("TRANSFORM ");
 488           if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT)
 489             DUMP("TRANSFORMLIGHT ");
 490           if (ci->dwFlags & D3DPROCESSVERTICES_UPDATEEXTENTS)
 491             DUMP("UPDATEEXTENTS ");
 492           DUMP("\n");
 493         }
 494
 495         /* This is where doing Direct3D on top on OpenGL is quite difficult.
 496            This method transforms a set of vertices using the CURRENT state
 497            (lighting, projection, ...) but does not rasterize them.
 498            They will oinly be put on screen later (with the POINT / LINE and
 499            TRIANGLE op-codes). The problem is that you can have a triangle
 500            with each point having been transformed using another state...
 501
 502            In this implementation, I will emulate only ONE thing : each
 503            vertex can have its own "WORLD" transformation (this is used in the
 504            TWIST.EXE demo of the 5.2 SDK). I suppose that all vertices of the
 505            execute buffer use the same state.
 506
 507            If I find applications that change other states, I will try to do a
 508            more 'fine-tuned' state emulation (but I may become quite tricky if
 509            it changes a light position in the middle of a triangle).
 510
 511            In this case, a 'direct' approach (i.e. without using OpenGL, but
 512            writing our own 3D rasterizer) would be easier. */
 513
 514         /* The current method (with the hypothesis that only the WORLD matrix
 515            will change between two points) is like this :
 516             - I transform 'manually' all the vertices with the current WORLD
 517               matrix and store them in the vertex buffer
 518             - during the rasterization phase, the WORLD matrix will be set to
 519               the Identity matrix */
 520
 521         /* Enough for the moment */
 522         if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT) {
 523           int nb;
 524           D3DVERTEX  *src = ((LPD3DVERTEX)  (lpBuff->desc.lpData + vs)) + ci->wStart;
 525           OGL_Vertex *dst = ((OGL_Vertex *) (lpBuff->vertex_data)) + ci->wDest;
 526           D3DMATRIX *mat = odev->world_mat;
 527
 528           TRACE(ddraw, "  World Matrix : (%p)\n", mat);
 529           dump_mat(mat);
 530
 531           lpBuff->vertex_type = D3DVT_VERTEX;
 532
 533           for (nb = 0; nb < ci->dwCount; nb++) {
 534             /* For the moment, no normal transformation... */
 535             dst->nx = src->nx.nx;
 536             dst->ny = src->ny.ny;
 537             dst->nz = src->nz.nz;
 538
 539             dst->u  = src->u.tu;
 540             dst->v  = src->v.tv;
 541
 542             /* Now, the matrix multiplication */
 543             dst->x = (src->x.x * mat->_11) + (src->y.y * mat->_21) + (src->z.z * mat->_31) + (1.0 * mat->_41);
 544             dst->y = (src->x.x * mat->_12) + (src->y.y * mat->_22) + (src->z.z * mat->_32) + (1.0 * mat->_42);
 545             dst->z = (src->x.x * mat->_13) + (src->y.y * mat->_23) + (src->z.z * mat->_33) + (1.0 * mat->_43);
 546             dst->w = (src->x.x * mat->_14) + (src->y.y * mat->_24) + (src->z.z * mat->_34) + (1.0 * mat->_44);
 547
 548             src++;
 549             dst++;
 550           }
 551         } else if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORM) {
 552           int nb;
 553           D3DLVERTEX *src  = ((LPD3DLVERTEX) (lpBuff->desc.lpData + vs)) + ci->wStart;
 554           OGL_LVertex *dst = ((OGL_LVertex *) (lpBuff->vertex_data)) + ci->wDest;
 555           D3DMATRIX *mat = odev->world_mat;
 556
 557           TRACE(ddraw, "  World Matrix : (%p)\n", mat);
 558           dump_mat(mat);
 559
 560           lpBuff->vertex_type = D3DVT_LVERTEX;
 561
 562           for (nb = 0; nb < ci->dwCount; nb++) {
 563             dst->c  = src->c.color;
 564             dst->sc = src->s.specular;
 565             dst->u  = src->u.tu;
 566             dst->v  = src->v.tv;
 567
 568             /* Now, the matrix multiplication */
 569             dst->x = (src->x.x * mat->_11) + (src->y.y * mat->_21) + (src->z.z * mat->_31) + (1.0 * mat->_41);
 570             dst->y = (src->x.x * mat->_12) + (src->y.y * mat->_22) + (src->z.z * mat->_32) + (1.0 * mat->_42);
 571             dst->z = (src->x.x * mat->_13) + (src->y.y * mat->_23) + (src->z.z * mat->_33) + (1.0 * mat->_43);
 572             dst->w = (src->x.x * mat->_14) + (src->y.y * mat->_24) + (src->z.z * mat->_34) + (1.0 * mat->_44);
 573
 574             src++;
 575             dst++;
 576           }
 577         } else if (ci->dwFlags == D3DPROCESSVERTICES_COPY) {
 578           D3DTLVERTEX *src = ((LPD3DTLVERTEX) (lpBuff->desc.lpData + vs)) + ci->wStart;
 579           D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (lpBuff->vertex_data)) + ci->wDest;
 580
 581           lpBuff->vertex_type = D3DVT_TLVERTEX;
 582
 583           memcpy(dst, src, ci->dwCount * sizeof(D3DTLVERTEX));
 584         } else {
 585           ERR(ddraw, "Unhandled vertex processing !\n");
 586         }
 587
 588         instr += size;
 589       }
 590     } break;
 591
 592     case D3DOP_TEXTURELOAD: {
 593       TRACE(ddraw, "TEXTURELOAD-s    (%d)\n", count);
 594
 595       instr += count * size;
 596     } break;
 597
 598     case D3DOP_EXIT: {
 599       TRACE(ddraw, "EXIT             (%d)\n", count);
 600       /* We did this instruction */
 601       instr += size;
 602       /* Exit this loop */
 603       goto end_of_buffer;
 604     } break;
 605
 606     case D3DOP_BRANCHFORWARD: {
 607       int i;
 608       TRACE(ddraw, "BRANCHFORWARD    (%d)\n", count);
 609
 610       for (i = 0; i < count; i++) {
 611         LPD3DBRANCH ci = (LPD3DBRANCH) instr;
 612
 613         if ((lpBuff->data.dsStatus.dwStatus & ci->dwMask) == ci->dwValue) {
 614           if (!ci->bNegate) {
 615             TRACE(ddraw," Should branch to %ld\n", ci->dwOffset);
 616           }
 617         } else {
 618           if (ci->bNegate) {
 619             TRACE(ddraw," Should branch to %ld\n", ci->dwOffset);
 620           }
 621         }
 622
 623         instr += size;
 624       }
 625     } break;
 626
 627     case D3DOP_SPAN: {
 628       TRACE(ddraw, "SPAN-s           (%d)\n", count);
 629
 630       instr += count * size;
 631     } break;
 632
 633     case D3DOP_SETSTATUS: {
 634       int i;
 635       TRACE(ddraw, "SETSTATUS        (%d)\n", count);
 636
 637       for (i = 0; i < count; i++) {
 638         LPD3DSTATUS ci = (LPD3DSTATUS) instr;
 639
 640         lpBuff->data.dsStatus = *ci;
 641
 642         instr += size;
 643       }
 644     } break;
 645
 646     default:
 647       ERR(ddraw, "Unhandled OpCode !!!\n");
 648       /* Try to save ... */
 649       instr += count * size;
 650       break;
 651     }
 652   }
 653
 654  end_of_buffer:
 655 }
 656
 657 /*******************************************************************************
 658  *                              ExecuteBuffer Creation functions
 659  */
 660 LPDIRECT3DEXECUTEBUFFER d3dexecutebuffer_create(LPDIRECT3DDEVICE d3ddev, LPD3DEXECUTEBUFFERDESC lpDesc)
 661 {
 662   LPDIRECT3DEXECUTEBUFFER eb;
 663
 664   eb = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(IDirect3DExecuteBuffer));
 665   eb->ref = 1;
 666   eb->lpvtbl = &executebuffer_vtable;
 667   eb->d3ddev = d3ddev;
 668
 669   /* Initializes memory */
 670   eb->desc = *lpDesc;
 671
 672   /* No buffer given */
 673   if (!(eb->desc.dwFlags & D3DDEB_LPDATA))
 674     eb->desc.lpData = NULL;
 675
 676   /* No buffer size given */
 677   if (!(lpDesc->dwFlags & D3DDEB_BUFSIZE))
 678     eb->desc.dwBufferSize = 0;
 679
 680   /* Create buffer if asked */
 681   if ((eb->desc.lpData == NULL) && (eb->desc.dwBufferSize > 0)) {
 682     eb->need_free = TRUE;
 683     eb->desc.lpData = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,eb->desc.dwBufferSize);
 684   } else {
 685     eb->need_free = FALSE;
 686   }
 687
 688   /* No vertices for the moment */
 689   eb->vertex_data = NULL;
 690
 691   eb->desc.dwFlags |= D3DDEB_LPDATA;
 692
 693   eb->execute = execute;
 694
 695   return eb;
 696 }
 697
 698 /*******************************************************************************
 699  *                              IDirect3DLight methods
 700  */
 701
 702 static HRESULT WINAPI IDirect3DExecuteBuffer_QueryInterface(LPDIRECT3DEXECUTEBUFFER this,
 703                                                             REFIID riid,
 704                                                             LPVOID* ppvObj)
 705 {
 706   char xrefiid[50];
 707
 708   WINE_StringFromCLSID((LPCLSID)riid,xrefiid);
 709   FIXME(ddraw, "(%p)->(%s,%p): stub\n", this, xrefiid,ppvObj);
 710
 711   return S_OK;
 712 }
 713
 714
 715
 716 static ULONG WINAPI IDirect3DExecuteBuffer_AddRef(LPDIRECT3DEXECUTEBUFFER this)
 717 {
 718   TRACE(ddraw, "(%p)->()incrementing from %lu.\n", this, this->ref );
 719
 720   return ++(this->ref);
 721 }
 722
 723
 724
 725 static ULONG WINAPI IDirect3DExecuteBuffer_Release(LPDIRECT3DEXECUTEBUFFER this)
 726 {
 727   FIXME( ddraw, "(%p)->() decrementing from %lu.\n", this, this->ref );
 728
 729   if (!--(this->ref)) {
 730     if ((this->desc.lpData != NULL) && this->need_free)
 731       HeapFree(GetProcessHeap(),0,this->desc.lpData);
 732
 733     if (this->vertex_data != NULL)
 734       HeapFree(GetProcessHeap(),0,this->vertex_data);
 735
 736     HeapFree(GetProcessHeap(),0,this);
 737     return 0;
 738   }
 739
 740   return this->ref;
 741 }
 742
 743 static HRESULT WINAPI IDirect3DExecuteBuffer_Initialize(LPDIRECT3DEXECUTEBUFFER this,
 744                                                         LPDIRECT3DDEVICE lpDirect3DDevice,
 745                                                         LPD3DEXECUTEBUFFERDESC lpDesc)
 746 {
 747   FIXME(ddraw, "(%p)->(%p,%p): stub\n", this, lpDirect3DDevice, lpDesc);
 748
 749   return DD_OK;
 750 }
 751
 752 static HRESULT WINAPI IDirect3DExecuteBuffer_Lock(LPDIRECT3DEXECUTEBUFFER this,
 753                                                   LPD3DEXECUTEBUFFERDESC lpDesc)
 754 {
 755   TRACE(ddraw, "(%p)->(%p)\n", this, lpDesc);
 756
 757   /* Copies the buffer description */
 758   *lpDesc = this->desc;
 759
 760   return DD_OK;
 761 }
 762
 763 static HRESULT WINAPI IDirect3DExecuteBuffer_Unlock(LPDIRECT3DEXECUTEBUFFER this)
 764 {
 765   TRACE(ddraw, "(%p)->()\n", this);
 766
 767   return DD_OK;
 768 }
 769
 770 static HRESULT WINAPI IDirect3DExecuteBuffer_SetExecuteData(LPDIRECT3DEXECUTEBUFFER this,
 771                                                             LPD3DEXECUTEDATA lpData)
 772 {
 773   DWORD nbvert;
 774
 775   TRACE(ddraw, "(%p)->(%p)\n", this, lpData);
 776
 777   this->data = *lpData;
 778
 779   /* Get the number of vertices in the execute buffer */
 780   nbvert = this->data.dwVertexCount;
 781
 782   /* Prepares the transformed vertex buffer */
 783   if (this->vertex_data != NULL)
 784     HeapFree(GetProcessHeap(), 0, this->vertex_data);
 785   this->vertex_data = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,nbvert * sizeof(OGL_Vertex));
 786
 787
 788   if (TRACE_ON(ddraw)) {
 789     _dump_executedata(lpData);
 790   }
 791
 792   return DD_OK;
 793 }
 794
 795 static HRESULT WINAPI IDirect3DExecuteBuffer_GetExecuteData(LPDIRECT3DEXECUTEBUFFER this,
 796                                                             LPD3DEXECUTEDATA lpData)
 797 {
 798   TRACE(ddraw, "(%p)->(%p): stub\n", this, lpData);
 799
 800   *lpData = this->data;
 801
 802   return DD_OK;
 803 }
 804
 805 static HRESULT WINAPI IDirect3DExecuteBuffer_Validate(LPDIRECT3DEXECUTEBUFFER this,
 806                                                       LPDWORD lpdwOffset,
 807                                                       LPD3DVALIDATECALLBACK lpFunc,
 808                                                       LPVOID lpUserArg,
 809                                                       DWORD dwReserved)
 810 {
 811   TRACE(ddraw, "(%p)->(%p,%p,%p,%lu)\n", this, lpdwOffset, lpFunc, lpUserArg, dwReserved);
 812
 813   return DD_OK;
 814 }
 815
 816 static HRESULT WINAPI IDirect3DExecuteBuffer_Optimize(LPDIRECT3DEXECUTEBUFFER this,
 817                                                       DWORD dwReserved)
 818 {
 819   TRACE(ddraw, "(%p)->(%lu)\n", this, dwReserved);
 820
 821   return DD_OK;
 822 }
 823
 824
 825 /*******************************************************************************
 826  *                              IDirect3DLight VTable
 827  */
 828 static IDirect3DExecuteBuffer_VTable executebuffer_vtable = {
 829   /*** IUnknown methods ***/
 830   IDirect3DExecuteBuffer_QueryInterface,
 831   IDirect3DExecuteBuffer_AddRef,
 832   IDirect3DExecuteBuffer_Release,
 833   /*** IDirect3DExecuteBuffer methods ***/
 834   IDirect3DExecuteBuffer_Initialize,
 835   IDirect3DExecuteBuffer_Lock,
 836   IDirect3DExecuteBuffer_Unlock,
 837   IDirect3DExecuteBuffer_SetExecuteData,
 838   IDirect3DExecuteBuffer_GetExecuteData,
 839   IDirect3DExecuteBuffer_Validate,
 840   IDirect3DExecuteBuffer_Optimize
 841 };
 842
 843 #endif /* HAVE_MESAGL */