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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 "winerror.h"
  37 #include "wingdi.h"
  38 #include "wine/exception.h"
  39
  40 #include "ddraw.h"
  41 #include "d3d.h"
  42
  43 #include "ddraw_private.h"
  44 #include "wine/debug.h"
  45
  46 WINE_DEFAULT_DEBUG_CHANNEL(d3d7);
  47
  48 /*****************************************************************************
  49  * _dump_executedata
  50  * _dump_D3DEXECUTEBUFFERDESC
  51  *
  52  * Debug functions which write the executebuffer data to the console
  53  *
  54  *****************************************************************************/
  55
  56 static void _dump_executedata(const D3DEXECUTEDATA *lpData) {
  57     TRACE("dwSize : %d\n", lpData->dwSize);
  58     TRACE("Vertex      Offset : %d  Count  : %d\n", lpData->dwVertexOffset, lpData->dwVertexCount);
  59     TRACE("Instruction Offset : %d  Length : %d\n", lpData->dwInstructionOffset, lpData->dwInstructionLength);
  60     TRACE("HVertex     Offset : %d\n", lpData->dwHVertexOffset);
  61 }
  62
  63 static void _dump_D3DEXECUTEBUFFERDESC(const D3DEXECUTEBUFFERDESC *lpDesc) {
  64     TRACE("dwSize       : %d\n", lpDesc->dwSize);
  65     TRACE("dwFlags      : %x\n", lpDesc->dwFlags);
  66     TRACE("dwCaps       : %x\n", lpDesc->dwCaps);
  67     TRACE("dwBufferSize : %d\n", lpDesc->dwBufferSize);
  68     TRACE("lpData       : %p\n", lpDesc->lpData);
  69 }
  70
  71 /*****************************************************************************
  72  * IDirect3DExecuteBufferImpl_Execute
  73  *
  74  * The main functionality of the execute buffer
  75  * It transforms the vertices if necessary, and calls IDirect3DDevice7
  76  * for drawing the vertices. It is called from
  77  * IDirect3DDevice::Execute
  78  *
  79  * TODO: Perhaps some comments about the various opcodes wouldn't hurt
  80  *
  81  * Don't declare this static, as it's called from device.c,
  82  * IDirect3DDevice::Execute
  83  *
  84  * Params:
  85  *  Device: 3D Device associated to use for drawing
  86  *  Viewport: Viewport for this operation
  87  *
  88  *****************************************************************************/
  89 void
  90 IDirect3DExecuteBufferImpl_Execute(IDirect3DExecuteBufferImpl *This,
  91                                    IDirect3DDeviceImpl *lpDevice,
  92                                    IDirect3DViewportImpl *lpViewport)
  93 {
  94     /* DWORD bs = This->desc.dwBufferSize; */
  95     DWORD vs = This->data.dwVertexOffset;
  96     /* DWORD vc = This->data.dwVertexCount; */
  97     DWORD is = This->data.dwInstructionOffset;
  98     /* DWORD il = This->data.dwInstructionLength; */
  99
 100     char *instr = (char *)This->desc.lpData + is;
 101
 102     /* Should check if the viewport was added or not to the device */
 103
 104     /* Activate the viewport */
 105     lpViewport->active_device = lpDevice;
 106     lpViewport->activate(lpViewport, FALSE);
 107
 108     TRACE("ExecuteData :\n");
 109     if (TRACE_ON(d3d7))
 110       _dump_executedata(&(This->data));
 111
 112     while (1) {
 113         LPD3DINSTRUCTION current = (LPD3DINSTRUCTION) instr;
 114         BYTE size;
 115         WORD count;
 116
 117         count = current->wCount;
 118         size = current->bSize;
 119         instr += sizeof(D3DINSTRUCTION);
 120
 121         switch (current->bOpcode) {
 122             case D3DOP_POINT: {
 123                 WARN("POINT-s          (%d)\n", count);
 124                 instr += count * size;
 125             } break;
 126
 127             case D3DOP_LINE: {
 128                 WARN("LINE-s           (%d)\n", count);
 129                 instr += count * size;
 130             } break;
 131
 132             case D3DOP_TRIANGLE: {
 133                 int i;
 134                 D3DTLVERTEX *tl_vx = (D3DTLVERTEX *) This->vertex_data;
 135                 TRACE("TRIANGLE         (%d)\n", count);
 136
 137                 if (count*3>This->nb_indices) {
 138                     This->nb_indices = count * 3;
 139                     HeapFree(GetProcessHeap(),0,This->indices);
 140                     This->indices = HeapAlloc(GetProcessHeap(),0,sizeof(WORD)*This->nb_indices);
 141                 }
 142
 143                 for (i = 0; i < count; i++) {
 144                     LPD3DTRIANGLE ci = (LPD3DTRIANGLE) instr;
 145                     TRACE_(d3d7)("  v1: %d  v2: %d  v3: %d\n",ci->u1.v1, ci->u2.v2, ci->u3.v3);
 146                     TRACE_(d3d7)("  Flags : ");
 147                     if (TRACE_ON(d3d7)) {
 148                         /* Wireframe */
 149                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 150                             TRACE_(d3d7)("EDGEENABLE1 ");
 151                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE2)
 152                             TRACE_(d3d7)("EDGEENABLE2 ");
 153                         if (ci->wFlags & D3DTRIFLAG_EDGEENABLE1)
 154                             TRACE_(d3d7)("EDGEENABLE3 ");
 155                         /* Strips / Fans */
 156                         if (ci->wFlags == D3DTRIFLAG_EVEN)
 157                             TRACE_(d3d7)("EVEN ");
 158                         if (ci->wFlags == D3DTRIFLAG_ODD)
 159                             TRACE_(d3d7)("ODD ");
 160                         if (ci->wFlags == D3DTRIFLAG_START)
 161                             TRACE_(d3d7)("START ");
 162                         if ((ci->wFlags > 0) && (ci->wFlags < 30))
 163                             TRACE_(d3d7)("STARTFLAT(%d) ", ci->wFlags);
 164                         TRACE_(d3d7)("\n");
 165                     }
 166                     This->indices[(i * 3)    ] = ci->u1.v1;
 167                     This->indices[(i * 3) + 1] = ci->u2.v2;
 168                     This->indices[(i * 3) + 2] = ci->u3.v3;
 169                     instr += size;
 170                 }
 171                 /* IDirect3DDevices have color keying always enabled -
 172                  * enable it before drawing. This overwrites any ALPHA*
 173                  * render state
 174                  */
 175                 IWineD3DDevice_SetRenderState(lpDevice->wineD3DDevice,
 176                                               WINED3DRS_COLORKEYENABLE,
 177                                               1);
 178                 IDirect3DDevice7_DrawIndexedPrimitive(ICOM_INTERFACE(lpDevice,IDirect3DDevice7),
 179                                                       D3DPT_TRIANGLELIST,D3DFVF_TLVERTEX,tl_vx,0,This->indices,count*3,0);
 180             } break;
 181
 182             case D3DOP_MATRIXLOAD:
 183                 WARN("MATRIXLOAD-s     (%d)\n", count);
 184                 instr += count * size;
 185                 break;
 186
 187             case D3DOP_MATRIXMULTIPLY: {
 188                 int i;
 189                 TRACE("MATRIXMULTIPLY   (%d)\n", count);
 190
 191                 for (i = 0; i < count; i++) {
 192                     LPD3DMATRIXMULTIPLY ci = (LPD3DMATRIXMULTIPLY) instr;
 193                     LPD3DMATRIX a, b, c;
 194
 195                     if(!ci->hDestMatrix || ci->hDestMatrix > lpDevice->numHandles ||
 196                        !ci->hSrcMatrix1 || ci->hSrcMatrix1 > lpDevice->numHandles ||
 197                        !ci->hSrcMatrix2 || ci->hSrcMatrix2 > lpDevice->numHandles) {
 198                         ERR("Handles out of bounds\n");
 199                     } else if (lpDevice->Handles[ci->hDestMatrix - 1].type != DDrawHandle_Matrix ||
 200                                lpDevice->Handles[ci->hSrcMatrix1 - 1].type != DDrawHandle_Matrix ||
 201                                lpDevice->Handles[ci->hSrcMatrix2 - 1].type != DDrawHandle_Matrix) {
 202                         ERR("Handle types invalid\n");
 203                     } else {
 204                         a = (LPD3DMATRIX) lpDevice->Handles[ci->hDestMatrix - 1].ptr;
 205                         b = (LPD3DMATRIX) lpDevice->Handles[ci->hSrcMatrix1 - 1].ptr;
 206                         c = (LPD3DMATRIX) lpDevice->Handles[ci->hSrcMatrix2 - 1].ptr;
 207                         TRACE("  Dest : %p  Src1 : %p  Src2 : %p\n",
 208                             a, b, c);
 209                         multiply_matrix(a,c,b);
 210                     }
 211
 212                     instr += size;
 213                 }
 214             } break;
 215
 216             case D3DOP_STATETRANSFORM: {
 217                 int i;
 218                 TRACE("STATETRANSFORM   (%d)\n", count);
 219
 220                 for (i = 0; i < count; i++) {
 221                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 222
 223                     if(!ci->u2.dwArg[0]) {
 224                         ERR("Setting a NULL matrix handle, what should I do?\n");
 225                     } else if(ci->u2.dwArg[0] > lpDevice->numHandles) {
 226                         ERR("Handle %d is out of bounds\n", ci->u2.dwArg[0]);
 227                     } else if(lpDevice->Handles[ci->u2.dwArg[0] - 1].type != DDrawHandle_Matrix) {
 228                         ERR("Handle %d is not a matrix handle\n", ci->u2.dwArg[0]);
 229                     } else {
 230                         if(ci->u1.drstRenderStateType == D3DTRANSFORMSTATE_WORLD)
 231                             lpDevice->world = ci->u2.dwArg[0];
 232                         if(ci->u1.drstRenderStateType == D3DTRANSFORMSTATE_VIEW)
 233                             lpDevice->view = ci->u2.dwArg[0];
 234                         if(ci->u1.drstRenderStateType == D3DTRANSFORMSTATE_PROJECTION)
 235                             lpDevice->proj = ci->u2.dwArg[0];
 236                         IDirect3DDevice7_SetTransform(ICOM_INTERFACE(lpDevice, IDirect3DDevice7),
 237                                                       ci->u1.drstRenderStateType, (LPD3DMATRIX) lpDevice->Handles[ci->u2.dwArg[0] - 1].ptr);
 238                     }
 239                     instr += size;
 240                 }
 241             } break;
 242
 243             case D3DOP_STATELIGHT: {
 244                 int i;
 245                 TRACE("STATELIGHT       (%d)\n", count);
 246
 247                 for (i = 0; i < count; i++) {
 248                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 249
 250                     TRACE("(%08x,%08x)\n", ci->u1.dlstLightStateType, ci->u2.dwArg[0]);
 251
 252                     if (!ci->u1.dlstLightStateType && (ci->u1.dlstLightStateType > D3DLIGHTSTATE_COLORVERTEX))
 253                         ERR("Unexpected Light State Type\n");
 254                     else if (ci->u1.dlstLightStateType == D3DLIGHTSTATE_MATERIAL /* 1 */) {
 255                         DWORD matHandle = ci->u2.dwArg[0];
 256
 257                         if (!matHandle) {
 258                             FIXME(" D3DLIGHTSTATE_MATERIAL called with NULL material !!!\n");
 259                         } else if (matHandle >= lpDevice->numHandles) {
 260                             WARN("Material handle %d is invalid\n", matHandle);
 261                         } else if (lpDevice->Handles[matHandle - 1].type != DDrawHandle_Material) {
 262                             WARN("Handle %d is not a material handle\n", matHandle);
 263                         } else {
 264                             IDirect3DMaterialImpl *mat =
 265                                 (IDirect3DMaterialImpl *)lpDevice->Handles[matHandle - 1].ptr;
 266
 267                             mat->activate(mat);
 268                         }
 269                     } else if (ci->u1.dlstLightStateType == D3DLIGHTSTATE_COLORMODEL /* 3 */) {
 270                         switch (ci->u2.dwArg[0]) {
 271                             case D3DCOLOR_MONO:
 272                                 ERR("DDCOLOR_MONO should not happen!\n");
 273                                 break;
 274                             case D3DCOLOR_RGB:
 275                                 /* We are already in this mode */
 276                                 break;
 277                             default:
 278                                 ERR("Unknown color model!\n");
 279                         }
 280                     } else {
 281                         D3DRENDERSTATETYPE rs = 0;
 282                         switch (ci->u1.dlstLightStateType) {
 283
 284                             case D3DLIGHTSTATE_AMBIENT:       /* 2 */
 285                                 rs = D3DRENDERSTATE_AMBIENT;
 286                                 break;
 287                             case D3DLIGHTSTATE_FOGMODE:       /* 4 */
 288                                 rs = D3DRENDERSTATE_FOGVERTEXMODE;
 289                                 break;
 290                             case D3DLIGHTSTATE_FOGSTART:      /* 5 */
 291                                 rs = D3DRENDERSTATE_FOGSTART;
 292                                 break;
 293                             case D3DLIGHTSTATE_FOGEND:        /* 6 */
 294                                 rs = D3DRENDERSTATE_FOGEND;
 295                                 break;
 296                             case D3DLIGHTSTATE_FOGDENSITY:    /* 7 */
 297                                 rs = D3DRENDERSTATE_FOGDENSITY;
 298                                 break;
 299                             case D3DLIGHTSTATE_COLORVERTEX:   /* 8 */
 300                                 rs = D3DRENDERSTATE_COLORVERTEX;
 301                                 break;
 302                             default:
 303                                 break;
 304                         }
 305
 306                         IDirect3DDevice7_SetRenderState(ICOM_INTERFACE(lpDevice, IDirect3DDevice7), rs,
 307                                                         ci->u2.dwArg[0]);
 308                     }
 309
 310                     instr += size;
 311                 }
 312             } break;
 313
 314             case D3DOP_STATERENDER: {
 315                 int i;
 316                 TRACE("STATERENDER      (%d)\n", count);
 317
 318                 for (i = 0; i < count; i++) {
 319                     LPD3DSTATE ci = (LPD3DSTATE) instr;
 320
 321                     IDirect3DDevice2_SetRenderState(ICOM_INTERFACE(lpDevice, IDirect3DDevice2),
 322                                                     ci->u1.drstRenderStateType, ci->u2.dwArg[0]);
 323
 324                     instr += size;
 325                 }
 326             } break;
 327
 328             case D3DOP_PROCESSVERTICES:
 329             {
 330                 /* TODO: Share code with IDirect3DVertexBuffer::ProcessVertices and / or
 331                  * IWineD3DDevice::ProcessVertices
 332                  */
 333                 int i;
 334                 D3DMATRIX view_mat, world_mat, proj_mat;
 335                 TRACE("PROCESSVERTICES  (%d)\n", count);
 336
 337                 /* Get the transform and world matrix */
 338                 /* Note: D3DMATRIX is compatible with WINED3DMATRIX */
 339
 340                 IWineD3DDevice_GetTransform(lpDevice->wineD3DDevice,
 341                                             D3DTRANSFORMSTATE_VIEW,
 342                                             (WINED3DMATRIX*) &view_mat);
 343
 344                 IWineD3DDevice_GetTransform(lpDevice->wineD3DDevice,
 345                                             D3DTRANSFORMSTATE_PROJECTION,
 346                                             (WINED3DMATRIX*) &proj_mat);
 347
 348                 IWineD3DDevice_GetTransform(lpDevice->wineD3DDevice,
 349                                             WINED3DTS_WORLDMATRIX(0),
 350                                             (WINED3DMATRIX*) &world_mat);
 351
 352                 for (i = 0; i < count; i++) {
 353                     LPD3DPROCESSVERTICES ci = (LPD3DPROCESSVERTICES) instr;
 354
 355                     TRACE("  Start : %d Dest : %d Count : %d\n",
 356                           ci->wStart, ci->wDest, ci->dwCount);
 357                     TRACE("  Flags : ");
 358                     if (TRACE_ON(d3d7)) {
 359                         if (ci->dwFlags & D3DPROCESSVERTICES_COPY)
 360                             TRACE("COPY ");
 361                         if (ci->dwFlags & D3DPROCESSVERTICES_NOCOLOR)
 362                             TRACE("NOCOLOR ");
 363                         if (ci->dwFlags == D3DPROCESSVERTICES_OPMASK)
 364                             TRACE("OPMASK ");
 365                         if (ci->dwFlags & D3DPROCESSVERTICES_TRANSFORM)
 366                             TRACE("TRANSFORM ");
 367                         if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT)
 368                             TRACE("TRANSFORMLIGHT ");
 369                         if (ci->dwFlags & D3DPROCESSVERTICES_UPDATEEXTENTS)
 370                             TRACE("UPDATEEXTENTS ");
 371                         TRACE("\n");
 372                     }
 373
 374                     /* This is where doing Direct3D on top on OpenGL is quite difficult.
 375                        This method transforms a set of vertices using the CURRENT state
 376                        (lighting, projection, ...) but does not rasterize them.
 377                        They will only be put on screen later (with the POINT / LINE and
 378                        TRIANGLE op-codes). The problem is that you can have a triangle
 379                        with each point having been transformed using another state...
 380
 381                        In this implementation, I will emulate only ONE thing : each
 382                        vertex can have its own "WORLD" transformation (this is used in the
 383                        TWIST.EXE demo of the 5.2 SDK). I suppose that all vertices of the
 384                        execute buffer use the same state.
 385
 386                        If I find applications that change other states, I will try to do a
 387                        more 'fine-tuned' state emulation (but I may become quite tricky if
 388                        it changes a light position in the middle of a triangle).
 389
 390                        In this case, a 'direct' approach (i.e. without using OpenGL, but
 391                        writing our own 3D rasterizer) would be easier. */
 392
 393                     /* The current method (with the hypothesis that only the WORLD matrix
 394                        will change between two points) is like this :
 395                        - I transform 'manually' all the vertices with the current WORLD
 396                          matrix and store them in the vertex buffer
 397                        - during the rasterization phase, the WORLD matrix will be set to
 398                          the Identity matrix */
 399
 400                     /* Enough for the moment */
 401                     if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORMLIGHT) {
 402                         unsigned int nb;
 403                         D3DVERTEX  *src = ((LPD3DVERTEX)  ((char *)This->desc.lpData + vs)) + ci->wStart;
 404                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 405                         D3DMATRIX mat;
 406                         D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 407
 408                         if (TRACE_ON(d3d7)) {
 409                             TRACE("  Projection Matrix : (%p)\n", &proj_mat);
 410                             dump_D3DMATRIX(&proj_mat);
 411                             TRACE("  View       Matrix : (%p)\n", &view_mat);
 412                             dump_D3DMATRIX(&view_mat);
 413                             TRACE("  World Matrix : (%p)\n", &world_mat);
 414                             dump_D3DMATRIX(&world_mat);
 415                         }
 416
 417                         multiply_matrix(&mat,&view_mat,&world_mat);
 418                         multiply_matrix(&mat,&proj_mat,&mat);
 419
 420                         for (nb = 0; nb < ci->dwCount; nb++) {
 421                             /* No lighting yet */
 422                             dst->u5.color = 0xFFFFFFFF; /* Opaque white */
 423                             dst->u6.specular = 0xFF000000; /* No specular and no fog factor */
 424
 425                             dst->u7.tu  = src->u7.tu;
 426                             dst->u8.tv  = src->u8.tv;
 427
 428                             /* Now, the matrix multiplication */
 429                             dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 430                             dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);
 431                             dst->u3.sz = (src->u1.x * mat._13) + (src->u2.y * mat._23) + (src->u3.z * mat._33) + (1.0 * mat._43);
 432                             dst->u4.rhw = (src->u1.x * mat._14) + (src->u2.y * mat._24) + (src->u3.z * mat._34) + (1.0 * mat._44);
 433
 434                             dst->u1.sx = dst->u1.sx / dst->u4.rhw * Viewport->dvScaleX
 435                                        + Viewport->dwX + Viewport->dwWidth / 2;
 436                             dst->u2.sy = (-dst->u2.sy) / dst->u4.rhw * Viewport->dvScaleY
 437                                        + Viewport->dwY + Viewport->dwHeight / 2;
 438                             dst->u3.sz /= dst->u4.rhw;
 439                             dst->u4.rhw = 1 / dst->u4.rhw;
 440
 441                             src++;
 442                             dst++;
 443
 444                         }
 445                     } else if (ci->dwFlags == D3DPROCESSVERTICES_TRANSFORM) {
 446                         unsigned int nb;
 447                         D3DLVERTEX *src  = ((LPD3DLVERTEX) ((char *)This->desc.lpData + vs)) + ci->wStart;
 448                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 449                         D3DMATRIX mat;
 450                         D3DVIEWPORT* Viewport = &lpViewport->viewports.vp1;
 451
 452                         if (TRACE_ON(d3d7)) {
 453                             TRACE("  Projection Matrix : (%p)\n", &proj_mat);
 454                             dump_D3DMATRIX(&proj_mat);
 455                             TRACE("  View       Matrix : (%p)\n",&view_mat);
 456                             dump_D3DMATRIX(&view_mat);
 457                             TRACE("  World Matrix : (%p)\n", &world_mat);
 458                             dump_D3DMATRIX(&world_mat);
 459                         }
 460
 461                         multiply_matrix(&mat,&view_mat,&world_mat);
 462                         multiply_matrix(&mat,&proj_mat,&mat);
 463
 464                         for (nb = 0; nb < ci->dwCount; nb++) {
 465                             dst->u5.color = src->u4.color;
 466                             dst->u6.specular = src->u5.specular;
 467                             dst->u7.tu = src->u6.tu;
 468                             dst->u8.tv = src->u7.tv;
 469
 470                             /* Now, the matrix multiplication */
 471                             dst->u1.sx = (src->u1.x * mat._11) + (src->u2.y * mat._21) + (src->u3.z * mat._31) + (1.0 * mat._41);
 472                             dst->u2.sy = (src->u1.x * mat._12) + (src->u2.y * mat._22) + (src->u3.z * mat._32) + (1.0 * mat._42);
 473                             dst->u3.sz = (src->u1.x * mat._13) + (src->u2.y * mat._23) + (src->u3.z * mat._33) + (1.0 * mat._43);
 474                             dst->u4.rhw = (src->u1.x * mat._14) + (src->u2.y * mat._24) + (src->u3.z * mat._34) + (1.0 * mat._44);
 475
 476                             dst->u1.sx = dst->u1.sx / dst->u4.rhw * Viewport->dvScaleX
 477                                        + Viewport->dwX + Viewport->dwWidth / 2;
 478                             dst->u2.sy = (-dst->u2.sy) / dst->u4.rhw * Viewport->dvScaleY
 479                                        + Viewport->dwY + Viewport->dwHeight / 2;
 480
 481                             dst->u3.sz /= dst->u4.rhw;
 482                             dst->u4.rhw = 1 / dst->u4.rhw;
 483
 484                             src++;
 485                             dst++;
 486                         }
 487                     } else if (ci->dwFlags == D3DPROCESSVERTICES_COPY) {
 488                         D3DTLVERTEX *src = ((LPD3DTLVERTEX) ((char *)This->desc.lpData + vs)) + ci->wStart;
 489                         D3DTLVERTEX *dst = ((LPD3DTLVERTEX) (This->vertex_data)) + ci->wDest;
 490
 491                         memcpy(dst, src, ci->dwCount * sizeof(D3DTLVERTEX));
 492                     } else {
 493                         ERR("Unhandled vertex processing !\n");
 494                     }
 495
 496                     instr += size;
 497                 }
 498             } break;
 499
 500             case D3DOP_TEXTURELOAD: {
 501                 WARN("TEXTURELOAD-s    (%d)\n", count);
 502
 503                 instr += count * size;
 504             } break;
 505
 506             case D3DOP_EXIT: {
 507                 TRACE("EXIT             (%d)\n", count);
 508                 /* We did this instruction */
 509                 instr += size;
 510                 /* Exit this loop */
 511                 goto end_of_buffer;
 512             } break;
 513
 514             case D3DOP_BRANCHFORWARD: {
 515                 int i;
 516                 TRACE("BRANCHFORWARD    (%d)\n", count);
 517
 518                 for (i = 0; i < count; i++) {
 519                     LPD3DBRANCH ci = (LPD3DBRANCH) instr;
 520
 521                     if ((This->data.dsStatus.dwStatus & ci->dwMask) == ci->dwValue) {
 522                         if (!ci->bNegate) {
 523                             TRACE(" Branch to %d\n", ci->dwOffset);
 524                             if (ci->dwOffset) {
 525                                 instr = (char*)current + ci->dwOffset;
 526                                 break;
 527                             }
 528                         }
 529                     } else {
 530                         if (ci->bNegate) {
 531                             TRACE(" Branch to %d\n", ci->dwOffset);
 532                             if (ci->dwOffset) {
 533                                 instr = (char*)current + ci->dwOffset;
 534                                 break;
 535                             }
 536                         }
 537                     }
 538
 539                     instr += size;
 540                 }
 541             } break;
 542
 543             case D3DOP_SPAN: {
 544                 WARN("SPAN-s           (%d)\n", count);
 545
 546                 instr += count * size;
 547             } break;
 548
 549             case D3DOP_SETSTATUS: {
 550                 int i;
 551                 TRACE("SETSTATUS        (%d)\n", count);
 552
 553                 for (i = 0; i < count; i++) {
 554                     LPD3DSTATUS ci = (LPD3DSTATUS) instr;
 555
 556                     This->data.dsStatus = *ci;
 557
 558                     instr += size;
 559                 }
 560             } break;
 561
 562             default:
 563                 ERR("Unhandled OpCode %d !!!\n",current->bOpcode);
 564                 /* Try to save ... */
 565                 instr += count * size;
 566                 break;
 567         }
 568     }
 569
 570 end_of_buffer:
 571     ;
 572 }
 573
 574 /*****************************************************************************
 575  * IDirect3DExecuteBuffer::QueryInterface
 576  *
 577  * Well, a usual QueryInterface function. Don't know fur sure which
 578  * interfaces it can Query.
 579  *
 580  * Params:
 581  *  riid: The interface ID queried for
 582  *  obj: Address to return the interface pointer at
 583  *
 584  * Returns:
 585  *  D3D_OK in case of a success (S_OK? Think it's the same)
 586  *  OLE_E_ENUM_NOMORE if the interface wasn't found.
 587  *   (E_NOINTERFACE?? Don't know what I really need)
 588  *
 589  *****************************************************************************/
 590 static HRESULT WINAPI
 591 IDirect3DExecuteBufferImpl_QueryInterface(IDirect3DExecuteBuffer *iface,
 592                                           REFIID riid,
 593                                           void **obj)
 594 {
 595     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 596     TRACE("(%p/%p)->(%s,%p)\n", This, iface, debugstr_guid(riid), obj);
 597
 598     *obj = NULL;
 599
 600     if ( IsEqualGUID( &IID_IUnknown,  riid ) ) {
 601         IDirect3DExecuteBuffer_AddRef(ICOM_INTERFACE(This, IDirect3DExecuteBuffer));
 602         *obj = iface;
 603         TRACE("  Creating IUnknown interface at %p.\n", *obj);
 604         return S_OK;
 605     }
 606     if ( IsEqualGUID( &IID_IDirect3DMaterial, riid ) ) {
 607         IDirect3DExecuteBuffer_AddRef(ICOM_INTERFACE(This, IDirect3DExecuteBuffer));
 608         *obj = ICOM_INTERFACE(This, IDirect3DExecuteBuffer);
 609         TRACE("  Creating IDirect3DExecuteBuffer interface %p\n", *obj);
 610         return S_OK;
 611     }
 612     FIXME("(%p): interface for IID %s NOT found!\n", This, debugstr_guid(riid));
 613     return E_NOINTERFACE;
 614 }
 615
 616
 617 /*****************************************************************************
 618  * IDirect3DExecuteBuffer::AddRef
 619  *
 620  * A normal AddRef method, nothing special
 621  *
 622  * Returns:
 623  *  The new refcount
 624  *
 625  *****************************************************************************/
 626 static ULONG WINAPI
 627 IDirect3DExecuteBufferImpl_AddRef(IDirect3DExecuteBuffer *iface)
 628 {
 629     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 630     ULONG ref = InterlockedIncrement(&This->ref);
 631
 632     FIXME("(%p)->()incrementing from %u.\n", This, ref - 1);
 633
 634     return ref;
 635 }
 636
 637 /*****************************************************************************
 638  * IDirect3DExecuteBuffer::Release
 639  *
 640  * A normal Release method, nothing special
 641  *
 642  * Returns:
 643  *  The new refcount
 644  *
 645  *****************************************************************************/
 646 static ULONG WINAPI
 647 IDirect3DExecuteBufferImpl_Release(IDirect3DExecuteBuffer *iface)
 648 {
 649     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 650     ULONG ref = InterlockedDecrement(&This->ref);
 651
 652     TRACE("(%p)->()decrementing from %u.\n", This, ref + 1);
 653
 654     if (!ref) {
 655         if (This->need_free)
 656             HeapFree(GetProcessHeap(),0,This->desc.lpData);
 657         HeapFree(GetProcessHeap(),0,This->vertex_data);
 658         HeapFree(GetProcessHeap(),0,This->indices);
 659         HeapFree(GetProcessHeap(),0,This);
 660         return 0;
 661     }
 662
 663     return ref;
 664 }
 665
 666 /*****************************************************************************
 667  * IDirect3DExecuteBuffer::Initialize
 668  *
 669  * Initializes the Execute Buffer. This method exists for COM compliance
 670  * Nothing to do here.
 671  *
 672  * Returns:
 673  *  D3D_OK
 674  *
 675  *****************************************************************************/
 676 static HRESULT WINAPI
 677 IDirect3DExecuteBufferImpl_Initialize(IDirect3DExecuteBuffer *iface,
 678                                         IDirect3DDevice *lpDirect3DDevice,
 679                                         D3DEXECUTEBUFFERDESC *lpDesc)
 680 {
 681     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 682     TRACE("(%p)->(%p,%p) no-op....\n", This, lpDirect3DDevice, lpDesc);
 683     return D3D_OK;
 684 }
 685
 686 /*****************************************************************************
 687  * IDirect3DExecuteBuffer::Lock
 688  *
 689  * Locks the buffer, so the app can write into it.
 690  *
 691  * Params:
 692  *  Desc: Pointer to return the buffer description. This Description contains
 693  *        a pointer to the buffer data.
 694  *
 695  * Returns:
 696  *  This implementation always returns D3D_OK
 697  *
 698  *****************************************************************************/
 699 static HRESULT WINAPI
 700 IDirect3DExecuteBufferImpl_Lock(IDirect3DExecuteBuffer *iface,
 701                                 D3DEXECUTEBUFFERDESC *lpDesc)
 702 {
 703     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 704     DWORD dwSize;
 705     TRACE("(%p)->(%p)\n", This, lpDesc);
 706
 707     dwSize = lpDesc->dwSize;
 708     memset(lpDesc, 0, dwSize);
 709     memcpy(lpDesc, &This->desc, dwSize);
 710
 711     if (TRACE_ON(d3d7)) {
 712         TRACE("  Returning description :\n");
 713         _dump_D3DEXECUTEBUFFERDESC(lpDesc);
 714     }
 715     return D3D_OK;
 716 }
 717
 718 /*****************************************************************************
 719  * IDirect3DExecuteBuffer::Unlock
 720  *
 721  * Unlocks the buffer. We don't have anything to do here
 722  *
 723  * Returns:
 724  *  This implementation always returns D3D_OK
 725  *
 726  *****************************************************************************/
 727 static HRESULT WINAPI
 728 IDirect3DExecuteBufferImpl_Unlock(IDirect3DExecuteBuffer *iface)
 729 {
 730     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 731     TRACE("(%p)->() no-op...\n", This);
 732     return D3D_OK;
 733 }
 734
 735 /*****************************************************************************
 736  * IDirect3DExecuteBuffer::SetExecuteData
 737  *
 738  * Sets the execute data. This data is used to describe the buffer's content
 739  *
 740  * Params:
 741  *  Data: Pointer to a D3DEXECUTEDATA structure containing the data to
 742  *  assign
 743  *
 744  * Returns:
 745  *  D3D_OK on success
 746  *  DDERR_OUTOFMEMORY if the vertex buffer allocation failed
 747  *
 748  *****************************************************************************/
 749 static HRESULT WINAPI
 750 IDirect3DExecuteBufferImpl_SetExecuteData(IDirect3DExecuteBuffer *iface,
 751                                           D3DEXECUTEDATA *lpData)
 752 {
 753     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 754     DWORD nbvert;
 755     TRACE("(%p)->(%p)\n", This, lpData);
 756
 757     memcpy(&This->data, lpData, lpData->dwSize);
 758
 759     /* Get the number of vertices in the execute buffer */
 760     nbvert = This->data.dwVertexCount;
 761
 762     /* Prepares the transformed vertex buffer */
 763     HeapFree(GetProcessHeap(), 0, This->vertex_data);
 764     This->vertex_data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, nbvert * sizeof(D3DTLVERTEX));
 765
 766     if (TRACE_ON(d3d7)) {
 767         _dump_executedata(lpData);
 768     }
 769
 770     return D3D_OK;
 771 }
 772
 773 /*****************************************************************************
 774  * IDirect3DExecuteBuffer::GetExecuteData
 775  *
 776  * Returns the data in the execute buffer
 777  *
 778  * Params:
 779  *  Data: Pointer to a D3DEXECUTEDATA structure used to return data
 780  *
 781  * Returns:
 782  *  D3D_OK on success
 783  *
 784  *****************************************************************************/
 785 static HRESULT WINAPI
 786 IDirect3DExecuteBufferImpl_GetExecuteData(IDirect3DExecuteBuffer *iface,
 787                                           D3DEXECUTEDATA *lpData)
 788 {
 789     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 790     DWORD dwSize;
 791     TRACE("(%p)->(%p): stub!\n", This, lpData);
 792
 793     dwSize = lpData->dwSize;
 794     memset(lpData, 0, dwSize);
 795     memcpy(lpData, &This->data, dwSize);
 796
 797     if (TRACE_ON(d3d7)) {
 798         TRACE("Returning data :\n");
 799         _dump_executedata(lpData);
 800     }
 801
 802     return DD_OK;
 803 }
 804
 805 /*****************************************************************************
 806  * IDirect3DExecuteBuffer::Validate
 807  *
 808  * DirectX 5 SDK: "The IDirect3DExecuteBuffer::Validate method is not
 809  * currently implemented"
 810  *
 811  * Params:
 812  *  ?
 813  *
 814  * Returns:
 815  *  DDERR_UNSUPPORTED, because it's not implemented in Windows.
 816  *
 817  *****************************************************************************/
 818 static HRESULT WINAPI
 819 IDirect3DExecuteBufferImpl_Validate(IDirect3DExecuteBuffer *iface,
 820                                     DWORD *Offset,
 821                                     LPD3DVALIDATECALLBACK Func,
 822                                     void *UserArg,
 823                                     DWORD Reserved)
 824 {
 825     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 826     TRACE("(%p)->(%p,%p,%p,%08x): Unimplemented!\n", This, Offset, Func, UserArg, Reserved);
 827     return DDERR_UNSUPPORTED; /* Unchecked */
 828 }
 829
 830 /*****************************************************************************
 831  * IDirect3DExecuteBuffer::Optimize
 832  *
 833  * DirectX5 SDK: "The IDirect3DExecuteBuffer::Optimize method is not
 834  * currently supported"
 835  *
 836  * Params:
 837  *  Dummy: Seems to be an unused dummy ;)
 838  *
 839  * Returns:
 840  *  DDERR_UNSUPPORTED, because it's not implemented in Windows.
 841  *
 842  *****************************************************************************/
 843 static HRESULT WINAPI
 844 IDirect3DExecuteBufferImpl_Optimize(IDirect3DExecuteBuffer *iface,
 845                                     DWORD Dummy)
 846 {
 847     ICOM_THIS_FROM(IDirect3DExecuteBufferImpl, IDirect3DExecuteBuffer, iface);
 848     TRACE("(%p)->(%08x): Unimplemented\n", This, Dummy);
 849     return DDERR_UNSUPPORTED; /* Unchecked */
 850 }
 851
 852 const IDirect3DExecuteBufferVtbl IDirect3DExecuteBuffer_Vtbl =
 853 {
 854     IDirect3DExecuteBufferImpl_QueryInterface,
 855     IDirect3DExecuteBufferImpl_AddRef,
 856     IDirect3DExecuteBufferImpl_Release,
 857     IDirect3DExecuteBufferImpl_Initialize,
 858     IDirect3DExecuteBufferImpl_Lock,
 859     IDirect3DExecuteBufferImpl_Unlock,
 860     IDirect3DExecuteBufferImpl_SetExecuteData,
 861     IDirect3DExecuteBufferImpl_GetExecuteData,
 862     IDirect3DExecuteBufferImpl_Validate,
 863     IDirect3DExecuteBufferImpl_Optimize,
 864 };