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   1 /* Direct3D Common functions
   2  * Copyright (c) 1998 Lionel ULMER
   3  *
   4  * This file contains all MESA common code
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include "windef.h"
  24 #include "objbase.h"
  25 #include "ddraw.h"
  26 #include "d3d.h"
  27 #include "wine/debug.h"
  28
  29 #include "mesa_private.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
  32
  33 GLenum convert_D3D_compare_to_GL(D3DCMPFUNC dwRenderState)
  34 {
  35     switch (dwRenderState) {
  36         case D3DCMP_NEVER: return GL_NEVER;
  37         case D3DCMP_LESS: return GL_LESS;
  38         case D3DCMP_EQUAL: return GL_EQUAL;
  39         case D3DCMP_LESSEQUAL: return GL_LEQUAL;
  40         case D3DCMP_GREATER: return GL_GREATER;
  41         case D3DCMP_NOTEQUAL: return GL_NOTEQUAL;
  42         case D3DCMP_GREATEREQUAL: return GL_GEQUAL;
  43         case D3DCMP_ALWAYS: return GL_ALWAYS;
  44         default: ERR("Unexpected compare type %d !\n", dwRenderState);
  45     }
  46     return GL_ALWAYS;
  47 }
  48
  49 GLenum convert_D3D_stencilop_to_GL(D3DSTENCILOP dwRenderState)
  50 {
  51     switch (dwRenderState) {
  52         case D3DSTENCILOP_KEEP: return GL_KEEP;
  53         case D3DSTENCILOP_ZERO: return GL_ZERO;
  54         case D3DSTENCILOP_REPLACE: return GL_REPLACE;
  55         case D3DSTENCILOP_INCRSAT: return GL_INCR;
  56         case D3DSTENCILOP_DECRSAT: return GL_DECR;
  57         case D3DSTENCILOP_INVERT: return GL_INVERT;
  58         case D3DSTENCILOP_INCR: WARN("D3DSTENCILOP_INCR not properly handled !\n"); return GL_INCR;
  59         case D3DSTENCILOP_DECR: WARN("D3DSTENCILOP_DECR not properly handled !\n"); return GL_DECR;
  60         default: ERR("Unexpected compare type %d !\n", dwRenderState);
  61     }
  62     return GL_KEEP;
  63 }
  64
  65 GLenum convert_D3D_blendop_to_GL(D3DBLEND dwRenderState)
  66 {
  67     switch ((D3DBLEND) dwRenderState) {
  68         case D3DBLEND_ZERO: return GL_ZERO;
  69         case D3DBLEND_ONE: return GL_ONE;
  70         case D3DBLEND_SRCALPHA: return GL_SRC_ALPHA;
  71         case D3DBLEND_INVSRCALPHA: return GL_ONE_MINUS_SRC_ALPHA;
  72         case D3DBLEND_DESTALPHA: return GL_DST_ALPHA;
  73         case D3DBLEND_INVDESTALPHA: return GL_ONE_MINUS_DST_ALPHA;
  74         case D3DBLEND_DESTCOLOR: return GL_DST_COLOR;
  75         case D3DBLEND_INVDESTCOLOR: return GL_ONE_MINUS_DST_COLOR;
  76         case D3DBLEND_SRCALPHASAT: return GL_SRC_ALPHA_SATURATE;
  77         case D3DBLEND_SRCCOLOR: return GL_SRC_COLOR;
  78         case D3DBLEND_INVSRCCOLOR: return GL_ONE_MINUS_SRC_COLOR;
  79         default: ERR("Unhandled blend mode %d !\n", dwRenderState); return GL_ZERO;
  80     }
  81 }
  82
  83 void set_render_state(IDirect3DDeviceImpl* This,
  84                       D3DRENDERSTATETYPE dwRenderStateType, STATEBLOCK *lpStateBlock)
  85 {
  86     IDirect3DDeviceGLImpl *glThis = (IDirect3DDeviceGLImpl *) This;
  87     DWORD dwRenderState = lpStateBlock->render_state[dwRenderStateType - 1];
  88
  89     if (TRACE_ON(ddraw))
  90         TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
  91
  92     /* First, all the stipple patterns */
  93     if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
  94         (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
  95         ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
  96     } else {
  97         ENTER_GL();
  98
  99         /* All others state variables */
 100         switch (dwRenderStateType) {
 101             case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
 102                 IDirectDrawSurfaceImpl *tex = (IDirectDrawSurfaceImpl*) dwRenderState;
 103
 104                 LEAVE_GL();
 105                 IDirect3DDevice7_SetTexture(ICOM_INTERFACE(This, IDirect3DDevice7),
 106                                             0,
 107                                             ICOM_INTERFACE(tex, IDirectDrawSurface7));
 108                 ENTER_GL();
 109             } break;
 110
 111             case D3DRENDERSTATE_TEXTUREADDRESSU:  /* 44 */
 112             case D3DRENDERSTATE_TEXTUREADDRESSV:  /* 45 */
 113             case D3DRENDERSTATE_TEXTUREADDRESS: { /*  3 */
 114                 D3DTEXTURESTAGESTATETYPE d3dTexStageStateType;
 115
 116                 if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) d3dTexStageStateType = D3DTSS_ADDRESS;
 117                 else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESSU) d3dTexStageStateType = D3DTSS_ADDRESSU;
 118                 else d3dTexStageStateType = D3DTSS_ADDRESSV;
 119
 120                 LEAVE_GL();
 121                 IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7),
 122                                                       0, d3dTexStageStateType,
 123                                                       dwRenderState);
 124                 ENTER_GL();
 125             } break;
 126
 127             case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
 128                 if (dwRenderState)
 129                     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 130                 else
 131                     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
 132                 break;
 133
 134             case D3DRENDERSTATE_WRAPU: /* 5 */
 135                 if (dwRenderState)
 136                     ERR("WRAPU mode unsupported by OpenGL.. Expect graphical glitches !\n");
 137                 break;
 138
 139             case D3DRENDERSTATE_WRAPV: /* 6 */
 140                 if (dwRenderState)
 141                     ERR("WRAPV mode unsupported by OpenGL.. Expect graphical glitches !\n");
 142                 break;
 143
 144             case D3DRENDERSTATE_ZENABLE:          /*  7 */
 145                 /* To investigate : in OpenGL, if we disable the depth test, the Z buffer will NOT be
 146                    updated either.. No idea about what happens in D3D.
 147
 148                    Maybe replacing the Z function by ALWAYS would be a better idea. */
 149                 if (dwRenderState == D3DZB_TRUE)
 150                     glEnable(GL_DEPTH_TEST);
 151                 else if (dwRenderState == D3DZB_FALSE)
 152                     glDisable(GL_DEPTH_TEST);
 153                 else {
 154                     glEnable(GL_DEPTH_TEST);
 155                     WARN(" w-buffering not supported.\n");
 156                 }
 157                 break;
 158
 159             case D3DRENDERSTATE_FILLMODE:           /*  8 */
 160                 switch ((D3DFILLMODE) dwRenderState) {
 161                     case D3DFILL_POINT:
 162                         glPolygonMode(GL_FRONT_AND_BACK,GL_POINT);
 163                         break;
 164                     case D3DFILL_WIREFRAME:
 165                         glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
 166                         break;
 167                     case D3DFILL_SOLID:
 168                         glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
 169                         break;
 170                     default:
 171                         ERR("Unhandled fill mode %ld !\n",dwRenderState);
 172                  }
 173                  break;
 174
 175             case D3DRENDERSTATE_SHADEMODE:          /*  9 */
 176                 switch ((D3DSHADEMODE) dwRenderState) {
 177                     case D3DSHADE_FLAT:
 178                         glShadeModel(GL_FLAT);
 179                         break;
 180                     case D3DSHADE_GOURAUD:
 181                         glShadeModel(GL_SMOOTH);
 182                         break;
 183                     default:
 184                         ERR("Unhandled shade mode %ld !\n",dwRenderState);
 185                 }
 186                 break;
 187
 188             case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
 189                 if (dwRenderState)
 190                     glDepthMask(GL_TRUE);
 191                 else
 192                     glDepthMask(GL_FALSE);
 193                 break;
 194
 195             case D3DRENDERSTATE_ALPHATESTENABLE:  /* 15 */
 196                 if (dwRenderState)
 197                     glEnable(GL_ALPHA_TEST);
 198                 else
 199                     glDisable(GL_ALPHA_TEST);
 200                 break;
 201
 202             case D3DRENDERSTATE_TEXTUREMAG: {     /* 17 */
 203                 DWORD tex_mag = 0xFFFFFFFF;
 204
 205                 switch ((D3DTEXTUREFILTER) dwRenderState) {
 206                     case D3DFILTER_NEAREST:
 207                         tex_mag = D3DTFG_POINT;
 208                         break;
 209                     case D3DFILTER_LINEAR:
 210                         tex_mag = D3DTFG_LINEAR;
 211                         break;
 212                     default:
 213                         ERR("Unhandled texture mag %ld !\n",dwRenderState);
 214                 }
 215
 216                 if (tex_mag != 0xFFFFFFFF) {
 217                     LEAVE_GL();
 218                     IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MAGFILTER, tex_mag);
 219                     ENTER_GL();
 220                 }
 221             } break;
 222
 223             case D3DRENDERSTATE_TEXTUREMIN: {       /* 18 */
 224                 DWORD tex_min = 0xFFFFFFFF;
 225
 226                 switch ((D3DTEXTUREFILTER) dwRenderState) {
 227                     case D3DFILTER_NEAREST:
 228                         tex_min = D3DTFN_POINT;
 229                         break;
 230                     case D3DFILTER_LINEAR:
 231                         tex_min = D3DTFN_LINEAR;
 232                         break;
 233                     default:
 234                         ERR("Unhandled texture min %ld !\n",dwRenderState);
 235                 }
 236
 237                 if (tex_min != 0xFFFFFFFF) {
 238                     LEAVE_GL();
 239                     IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MINFILTER, tex_min);
 240                     ENTER_GL();
 241                 }
 242             } break;
 243
 244             case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 245             case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 246                 glBlendFunc(convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1]),
 247                             convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1]));
 248                 break;
 249
 250             case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 251                 switch ((D3DTEXTUREBLEND) dwRenderState) {
 252                     case D3DTBLEND_MODULATE:
 253                     case D3DTBLEND_MODULATEALPHA:
 254                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 255                         break;
 256                     default:
 257                         ERR("Unhandled texture environment %ld !\n",dwRenderState);
 258                 }
 259                 break;
 260
 261             case D3DRENDERSTATE_CULLMODE:           /* 22 */
 262                 switch ((D3DCULL) dwRenderState) {
 263                     case D3DCULL_NONE:
 264                          glDisable(GL_CULL_FACE);
 265                          break;
 266                     case D3DCULL_CW:
 267                          glEnable(GL_CULL_FACE);
 268                          glFrontFace(GL_CCW);
 269                          glCullFace(GL_BACK);
 270                          break;
 271                     case D3DCULL_CCW:
 272                          glEnable(GL_CULL_FACE);
 273                          glFrontFace(GL_CW);
 274                          glCullFace(GL_BACK);
 275                          break;
 276                     default:
 277                          ERR("Unhandled cull mode %ld !\n",dwRenderState);
 278                 }
 279                 break;
 280
 281             case D3DRENDERSTATE_ZFUNC:            /* 23 */
 282                 glDepthFunc(convert_D3D_compare_to_GL(dwRenderState));
 283                 break;
 284
 285             case D3DRENDERSTATE_ALPHAREF:   /* 24 */
 286             case D3DRENDERSTATE_ALPHAFUNC:  /* 25 */
 287                 glAlphaFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_ALPHAFUNC - 1]),
 288                             (lpStateBlock->render_state[D3DRENDERSTATE_ALPHAREF - 1] & 0x000000FF) / 255.0);
 289                 break;
 290
 291             case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 292                 if (dwRenderState)
 293                     glEnable(GL_DITHER);
 294                 else
 295                     glDisable(GL_DITHER);
 296                 break;
 297
 298             case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 299                 if (dwRenderState) {
 300                     glEnable(GL_BLEND);
 301                 } else {
 302                     glDisable(GL_BLEND);
 303                 }
 304                 break;
 305
 306             case D3DRENDERSTATE_FOGENABLE: /* 28 */
 307                 if ((dwRenderState == TRUE) &&
 308                     (glThis->transform_state != GL_TRANSFORM_ORTHO)) {
 309                     glEnable(GL_FOG);
 310                 } else {
 311                     glDisable(GL_FOG);
 312                 }
 313                 break;
 314
 315             case D3DRENDERSTATE_SPECULARENABLE: /* 29 */
 316                 if (dwRenderState)
 317                     ERR(" Specular Lighting not supported yet.\n");
 318                 break;
 319
 320             case D3DRENDERSTATE_SUBPIXEL:  /* 31 */
 321             case D3DRENDERSTATE_SUBPIXELX: /* 32 */
 322                 /* We do not support this anyway, so why protest :-) */
 323                 break;
 324
 325             case D3DRENDERSTATE_STIPPLEDALPHA: /* 33 */
 326                 if (dwRenderState)
 327                     ERR(" Stippled Alpha not supported yet.\n");
 328                 break;
 329
 330             case D3DRENDERSTATE_FOGCOLOR: { /* 34 */
 331                 GLint color[4];
 332                 color[0] = (dwRenderState >> 16) & 0xFF;
 333                 color[1] = (dwRenderState >>  8) & 0xFF;
 334                 color[2] = (dwRenderState >>  0) & 0xFF;
 335                 color[3] = (dwRenderState >> 24) & 0xFF;
 336                 glFogiv(GL_FOG_COLOR, color);
 337             } break;
 338
 339
 340             case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 341                 /* This needs to be fixed. */
 342                 if (dwRenderState)
 343                     glEnable(GL_BLEND);
 344                 else
 345                     glDisable(GL_BLEND);
 346                 break;
 347
 348             case D3DRENDERSTATE_ZBIAS: /* 47 */
 349                 /* This is a tad bit hacky.. But well, no idea how to do it better in OpenGL :-/ */
 350                 if (dwRenderState == 0) {
 351                     glDisable(GL_POLYGON_OFFSET_FILL);
 352                     glDisable(GL_POLYGON_OFFSET_LINE);
 353                     glDisable(GL_POLYGON_OFFSET_POINT);
 354                 } else {
 355                     glEnable(GL_POLYGON_OFFSET_FILL);
 356                     glEnable(GL_POLYGON_OFFSET_LINE);
 357                     glEnable(GL_POLYGON_OFFSET_POINT);
 358                     glPolygonOffset(1.0, dwRenderState * 1.0);
 359                 }
 360                 break;
 361
 362             case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 363                 break;
 364
 365             case D3DRENDERSTATE_STENCILENABLE:    /* 52 */
 366                 if (dwRenderState)
 367                     glEnable(GL_STENCIL_TEST);
 368                 else
 369                     glDisable(GL_STENCIL_TEST);
 370                 break;
 371
 372             case D3DRENDERSTATE_STENCILFAIL:      /* 53 */
 373             case D3DRENDERSTATE_STENCILZFAIL:     /* 54 */
 374             case D3DRENDERSTATE_STENCILPASS:      /* 55 */
 375                 glStencilOp(convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFAIL - 1]),
 376                             convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILZFAIL - 1]),
 377                             convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILPASS - 1]));
 378                 break;
 379
 380             case D3DRENDERSTATE_STENCILFUNC:      /* 56 */
 381             case D3DRENDERSTATE_STENCILREF:       /* 57 */
 382             case D3DRENDERSTATE_STENCILMASK:      /* 58 */
 383                 glStencilFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFUNC - 1]),
 384                               lpStateBlock->render_state[D3DRENDERSTATE_STENCILREF - 1],
 385                               lpStateBlock->render_state[D3DRENDERSTATE_STENCILMASK - 1]);
 386                 break;
 387
 388             case D3DRENDERSTATE_STENCILWRITEMASK: /* 59 */
 389                 glStencilMask(dwRenderState);
 390                 break;
 391
 392             case D3DRENDERSTATE_CLIPPING:          /* 136 */
 393             case D3DRENDERSTATE_CLIPPLANEENABLE: { /* 152 */
 394                     GLint i;
 395                     DWORD mask, runner;
 396
 397                     if (dwRenderStateType == D3DRENDERSTATE_CLIPPING) {
 398                         mask = ((dwRenderState) ?
 399                                 (This->state_block.render_state[D3DRENDERSTATE_CLIPPLANEENABLE - 1]) : (0x0000));
 400                     } else {
 401                         mask = dwRenderState;
 402                     }
 403                     for (i = 0, runner = 0x00000001; i < This->max_clipping_planes; i++, runner = (runner << 1)) {
 404                         if (mask & runner) {
 405                             glEnable(GL_CLIP_PLANE0 + i);
 406                         } else {
 407                             glDisable(GL_CLIP_PLANE0 + i);
 408                         }
 409                     }
 410                 }
 411                 break;
 412
 413             case D3DRENDERSTATE_LIGHTING:    /* 137 */
 414                 if (dwRenderState)
 415                     glEnable(GL_LIGHTING);
 416                 else
 417                     glDisable(GL_LIGHTING);
 418                 break;
 419
 420             case D3DRENDERSTATE_AMBIENT: {            /* 139 */
 421                 float light[4];
 422
 423                 light[0] = ((dwRenderState >> 16) & 0xFF) / 255.0;
 424                 light[1] = ((dwRenderState >>  8) & 0xFF) / 255.0;
 425                 light[2] = ((dwRenderState >>  0) & 0xFF) / 255.0;
 426                 light[3] = ((dwRenderState >> 24) & 0xFF) / 255.0;
 427                 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (float *) light);
 428             } break;
 429
 430             case D3DRENDERSTATE_LOCALVIEWER:          /* 142 */
 431                 if (dwRenderState)
 432                     glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
 433                 else
 434                     glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_FALSE);
 435                 break;
 436
 437             case D3DRENDERSTATE_NORMALIZENORMALS:     /* 143 */
 438                 if (dwRenderState) {
 439                     glEnable(GL_NORMALIZE);
 440                     glEnable(GL_RESCALE_NORMAL);
 441                 } else {
 442                     glDisable(GL_NORMALIZE);
 443                     glDisable(GL_RESCALE_NORMAL);
 444                 }
 445                 break;
 446
 447             case D3DRENDERSTATE_DIFFUSEMATERIALSOURCE:    /* 145 */
 448             case D3DRENDERSTATE_SPECULARMATERIALSOURCE:   /* 146 */
 449             case D3DRENDERSTATE_AMBIENTMATERIALSOURCE:    /* 147 */
 450             case D3DRENDERSTATE_EMISSIVEMATERIALSOURCE:   /* 148 */
 451                 /* Nothing to do here. Only the storage matters :-) */
 452                 break;
 453
 454             default:
 455                 ERR("Unhandled dwRenderStateType %s (%08x) !\n", _get_renderstate(dwRenderStateType), dwRenderStateType);
 456         }
 457         LEAVE_GL();
 458     }
 459 }
 460
 461 void store_render_state(IDirect3DDeviceImpl *This,
 462                         D3DRENDERSTATETYPE dwRenderStateType, DWORD dwRenderState, STATEBLOCK *lpStateBlock)
 463 {
 464     TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
 465
 466     /* Some special cases first.. */
 467     if (dwRenderStateType == D3DRENDERSTATE_SRCBLEND) {
 468         if (dwRenderState == D3DBLEND_BOTHSRCALPHA) {
 469             lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_SRCALPHA;
 470             lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_SRCALPHA;
 471             return;
 472         } else if (dwRenderState == D3DBLEND_BOTHINVSRCALPHA) {
 473             lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_INVSRCALPHA;
 474             lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_INVSRCALPHA;
 475             return;
 476         }
 477     } else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) {
 478         lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSU - 1] = dwRenderState;
 479         lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSV - 1] = dwRenderState;
 480     }
 481
 482     /* Default case */
 483     lpStateBlock->render_state[dwRenderStateType - 1] = dwRenderState;
 484 }
 485
 486 void get_render_state(IDirect3DDeviceImpl *This,
 487                       D3DRENDERSTATETYPE dwRenderStateType, LPDWORD lpdwRenderState, STATEBLOCK *lpStateBlock)
 488 {
 489     *lpdwRenderState = lpStateBlock->render_state[dwRenderStateType - 1];
 490     if (TRACE_ON(ddraw))
 491         TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), *lpdwRenderState);
 492 }
 493
 494 void apply_render_state(IDirect3DDeviceImpl *This, STATEBLOCK *lpStateBlock)
 495 {
 496     DWORD i;
 497     TRACE("(%p,%p)\n", This, lpStateBlock);
 498     for(i = 0; i < HIGHEST_RENDER_STATE; i++)
 499         if (lpStateBlock->set_flags.render_state[i])
 500             set_render_state(This, i + 1, lpStateBlock);
 501 }