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

   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     DWORD dwRenderState = lpStateBlock->render_state[dwRenderStateType - 1];
  87
  88     if (TRACE_ON(ddraw))
  89         TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
  90
  91     /* First, all the stipple patterns */
  92     if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
  93         (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
  94         ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
  95     } else {
  96         ENTER_GL();
  97
  98         /* All others state variables */
  99         switch (dwRenderStateType) {
 100             case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
 101                 IDirectDrawSurfaceImpl *tex = (IDirectDrawSurfaceImpl*) dwRenderState;
 102
 103                 LEAVE_GL();
 104                 IDirect3DDevice7_SetTexture(ICOM_INTERFACE(This, IDirect3DDevice7),
 105                                             0,
 106                                             ICOM_INTERFACE(tex, IDirectDrawSurface7));
 107                 ENTER_GL();
 108             } break;
 109
 110             case D3DRENDERSTATE_TEXTUREADDRESSU:  /* 44 */
 111             case D3DRENDERSTATE_TEXTUREADDRESSV:  /* 45 */
 112             case D3DRENDERSTATE_TEXTUREADDRESS: { /*  3 */
 113                 D3DTEXTURESTAGESTATETYPE d3dTexStageStateType;
 114
 115                 if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) d3dTexStageStateType = D3DTSS_ADDRESS;
 116                 else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESSU) d3dTexStageStateType = D3DTSS_ADDRESSU;
 117                 else d3dTexStageStateType = D3DTSS_ADDRESSV;
 118
 119                 LEAVE_GL();
 120                 IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7),
 121                                                       0, d3dTexStageStateType,
 122                                                       dwRenderState);
 123                 ENTER_GL();
 124             } break;
 125
 126             case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
 127                 if (dwRenderState)
 128                     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 129                 else
 130                     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
 131                 break;
 132
 133             case D3DRENDERSTATE_WRAPU: /* 5 */
 134             case D3DRENDERSTATE_WRAPV: /* 6 */
 135             case D3DRENDERSTATE_WRAP0: /* 128 */
 136             case D3DRENDERSTATE_WRAP1: /* 129 */
 137             case D3DRENDERSTATE_WRAP2: /* 130 */
 138             case D3DRENDERSTATE_WRAP3: /* 131 */
 139             case D3DRENDERSTATE_WRAP4: /* 132 */
 140             case D3DRENDERSTATE_WRAP5: /* 133 */
 141             case D3DRENDERSTATE_WRAP6: /* 134 */
 142             case D3DRENDERSTATE_WRAP7: /* 135 */
 143                 if (dwRenderState)
 144                     ERR("Texture WRAP modes unsupported by OpenGL.. Expect graphical glitches !\n");
 145                 break;
 146
 147             case D3DRENDERSTATE_ZENABLE:          /*  7 */
 148                 /* To investigate : in OpenGL, if we disable the depth test, the Z buffer will NOT be
 149                    updated either.. No idea about what happens in D3D.
 150
 151                    Maybe replacing the Z function by ALWAYS would be a better idea. */
 152                 if (dwRenderState == D3DZB_TRUE)
 153                     glEnable(GL_DEPTH_TEST);
 154                 else if (dwRenderState == D3DZB_FALSE)
 155                     glDisable(GL_DEPTH_TEST);
 156                 else {
 157                     glEnable(GL_DEPTH_TEST);
 158                     WARN(" w-buffering not supported.\n");
 159                 }
 160                 break;
 161
 162             case D3DRENDERSTATE_FILLMODE:           /*  8 */
 163                 switch ((D3DFILLMODE) dwRenderState) {
 164                     case D3DFILL_POINT:
 165                         glPolygonMode(GL_FRONT_AND_BACK,GL_POINT);
 166                         break;
 167                     case D3DFILL_WIREFRAME:
 168                         glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
 169                         break;
 170                     case D3DFILL_SOLID:
 171                         glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
 172                         break;
 173                     default:
 174                         ERR("Unhandled fill mode %ld !\n",dwRenderState);
 175                  }
 176                  break;
 177
 178             case D3DRENDERSTATE_SHADEMODE:          /*  9 */
 179                 switch ((D3DSHADEMODE) dwRenderState) {
 180                     case D3DSHADE_FLAT:
 181                         glShadeModel(GL_FLAT);
 182                         break;
 183                     case D3DSHADE_GOURAUD:
 184                         glShadeModel(GL_SMOOTH);
 185                         break;
 186                     default:
 187                         ERR("Unhandled shade mode %ld !\n",dwRenderState);
 188                 }
 189                 break;
 190
 191             case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
 192                 if (dwRenderState)
 193                     glDepthMask(GL_TRUE);
 194                 else
 195                     glDepthMask(GL_FALSE);
 196                 break;
 197
 198             case D3DRENDERSTATE_ALPHATESTENABLE:  /* 15 */
 199                 if (dwRenderState)
 200                     glEnable(GL_ALPHA_TEST);
 201                 else
 202                     glDisable(GL_ALPHA_TEST);
 203                 break;
 204
 205             case D3DRENDERSTATE_TEXTUREMAG: {     /* 17 */
 206                 DWORD tex_mag = 0xFFFFFFFF;
 207
 208                 switch ((D3DTEXTUREFILTER) dwRenderState) {
 209                     case D3DFILTER_NEAREST:
 210                         tex_mag = D3DTFG_POINT;
 211                         break;
 212                     case D3DFILTER_LINEAR:
 213                         tex_mag = D3DTFG_LINEAR;
 214                         break;
 215                     default:
 216                         ERR("Unhandled texture mag %ld !\n",dwRenderState);
 217                 }
 218
 219                 if (tex_mag != 0xFFFFFFFF) {
 220                     LEAVE_GL();
 221                     IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MAGFILTER, tex_mag);
 222                     ENTER_GL();
 223                 }
 224             } break;
 225
 226             case D3DRENDERSTATE_TEXTUREMIN: {       /* 18 */
 227                 DWORD tex_min = 0xFFFFFFFF;
 228
 229                 switch ((D3DTEXTUREFILTER) dwRenderState) {
 230                     case D3DFILTER_NEAREST:
 231                         tex_min = D3DTFN_POINT;
 232                         break;
 233                     case D3DFILTER_LINEAR:
 234                         tex_min = D3DTFN_LINEAR;
 235                         break;
 236                     default:
 237                         ERR("Unhandled texture min %ld !\n",dwRenderState);
 238                 }
 239
 240                 if (tex_min != 0xFFFFFFFF) {
 241                     LEAVE_GL();
 242                     IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MINFILTER, tex_min);
 243                     ENTER_GL();
 244                 }
 245             } break;
 246
 247             case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 248             case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 249                 glBlendFunc(convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1]),
 250                             convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1]));
 251                 break;
 252
 253             case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 254                 switch ((D3DTEXTUREBLEND) dwRenderState) {
 255                     case D3DTBLEND_MODULATE:
 256                     case D3DTBLEND_MODULATEALPHA:
 257                         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 258                         break;
 259                     default:
 260                         ERR("Unhandled texture environment %ld !\n",dwRenderState);
 261                 }
 262                 break;
 263
 264             case D3DRENDERSTATE_CULLMODE:           /* 22 */
 265                 switch ((D3DCULL) dwRenderState) {
 266                     case D3DCULL_NONE:
 267                          glDisable(GL_CULL_FACE);
 268                          break;
 269                     case D3DCULL_CW:
 270                          glEnable(GL_CULL_FACE);
 271                          glFrontFace(GL_CCW);
 272                          glCullFace(GL_BACK);
 273                          break;
 274                     case D3DCULL_CCW:
 275                          glEnable(GL_CULL_FACE);
 276                          glFrontFace(GL_CW);
 277                          glCullFace(GL_BACK);
 278                          break;
 279                     default:
 280                          ERR("Unhandled cull mode %ld !\n",dwRenderState);
 281                 }
 282                 break;
 283
 284             case D3DRENDERSTATE_ZFUNC:            /* 23 */
 285                 glDepthFunc(convert_D3D_compare_to_GL(dwRenderState));
 286                 break;
 287
 288             case D3DRENDERSTATE_ALPHAREF:   /* 24 */
 289             case D3DRENDERSTATE_ALPHAFUNC:  /* 25 */
 290                 glAlphaFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_ALPHAFUNC - 1]),
 291                             (lpStateBlock->render_state[D3DRENDERSTATE_ALPHAREF - 1] & 0x000000FF) / 255.0);
 292                 break;
 293
 294             case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 295                 if (dwRenderState)
 296                     glEnable(GL_DITHER);
 297                 else
 298                     glDisable(GL_DITHER);
 299                 break;
 300
 301             case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 302                 if (dwRenderState) {
 303                     glEnable(GL_BLEND);
 304                 } else {
 305                     glDisable(GL_BLEND);
 306                 }
 307                 break;
 308
 309             case D3DRENDERSTATE_FOGENABLE: /* 28 */
 310                 /* Nothing to do here. Only the storage matters :-) */
 311                 break;
 312
 313             case D3DRENDERSTATE_SPECULARENABLE: /* 29 */
 314                 if (dwRenderState)
 315                     ERR(" Specular Lighting not supported yet.\n");
 316                 break;
 317
 318             case D3DRENDERSTATE_SUBPIXEL:  /* 31 */
 319             case D3DRENDERSTATE_SUBPIXELX: /* 32 */
 320                 /* We do not support this anyway, so why protest :-) */
 321                 break;
 322
 323             case D3DRENDERSTATE_STIPPLEDALPHA: /* 33 */
 324                 if (dwRenderState)
 325                     ERR(" Stippled Alpha not supported yet.\n");
 326                 break;
 327
 328             case D3DRENDERSTATE_FOGCOLOR: { /* 34 */
 329                 GLfloat color[4];
 330                 color[0] = ((dwRenderState >> 16) & 0xFF)/255.0f;
 331                 color[1] = ((dwRenderState >>  8) & 0xFF)/255.0f;
 332                 color[2] = ((dwRenderState >>  0) & 0xFF)/255.0f;
 333                 color[3] = ((dwRenderState >> 24) & 0xFF)/255.0f;
 334                 glFogfv(GL_FOG_COLOR,color);
 335                 /* Note: glFogiv does not seem to work */
 336             } break;
 337
 338             case D3DRENDERSTATE_FOGTABLEMODE:  /* 35 */
 339             case D3DRENDERSTATE_FOGVERTEXMODE: /* 140 */
 340             case D3DRENDERSTATE_FOGSTART:      /* 36 */
 341             case D3DRENDERSTATE_FOGEND:        /* 37 */
 342                 /* Nothing to do here. Only the storage matters :-) */
 343                 break;
 344
 345             case D3DRENDERSTATE_FOGDENSITY:    /* 38 */
 346                 glFogi(GL_FOG_DENSITY,*(float*)&dwRenderState);
 347                 break;
 348
 349             case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 350                 /* This needs to be fixed. */
 351                 if (dwRenderState)
 352                     glEnable(GL_BLEND);
 353                 else
 354                     glDisable(GL_BLEND);
 355                 break;
 356
 357             case D3DRENDERSTATE_ZBIAS: /* 47 */
 358                 /* This is a tad bit hacky.. But well, no idea how to do it better in OpenGL :-/ */
 359                 if (dwRenderState == 0) {
 360                     glDisable(GL_POLYGON_OFFSET_FILL);
 361                     glDisable(GL_POLYGON_OFFSET_LINE);
 362                     glDisable(GL_POLYGON_OFFSET_POINT);
 363                 } else {
 364                     glEnable(GL_POLYGON_OFFSET_FILL);
 365                     glEnable(GL_POLYGON_OFFSET_LINE);
 366                     glEnable(GL_POLYGON_OFFSET_POINT);
 367                     glPolygonOffset(1.0, dwRenderState * 1.0);
 368                 }
 369                 break;
 370
 371             case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 372                 break;
 373
 374             case D3DRENDERSTATE_STENCILENABLE:    /* 52 */
 375                 if (dwRenderState)
 376                     glEnable(GL_STENCIL_TEST);
 377                 else
 378                     glDisable(GL_STENCIL_TEST);
 379                 break;
 380
 381             case D3DRENDERSTATE_STENCILFAIL:      /* 53 */
 382             case D3DRENDERSTATE_STENCILZFAIL:     /* 54 */
 383             case D3DRENDERSTATE_STENCILPASS:      /* 55 */
 384                 glStencilOp(convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFAIL - 1]),
 385                             convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILZFAIL - 1]),
 386                             convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILPASS - 1]));
 387                 break;
 388
 389             case D3DRENDERSTATE_STENCILFUNC:      /* 56 */
 390             case D3DRENDERSTATE_STENCILREF:       /* 57 */
 391             case D3DRENDERSTATE_STENCILMASK:      /* 58 */
 392                 glStencilFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFUNC - 1]),
 393                               lpStateBlock->render_state[D3DRENDERSTATE_STENCILREF - 1],
 394                               lpStateBlock->render_state[D3DRENDERSTATE_STENCILMASK - 1]);
 395                 break;
 396
 397             case D3DRENDERSTATE_STENCILWRITEMASK: /* 59 */
 398                 glStencilMask(dwRenderState);
 399                 break;
 400
 401             case D3DRENDERSTATE_TEXTUREFACTOR:      /* 60 */
 402                 /* Only the storage matters... */
 403                 break;
 404
 405             case D3DRENDERSTATE_CLIPPING:          /* 136 */
 406             case D3DRENDERSTATE_CLIPPLANEENABLE: { /* 152 */
 407                     GLint i;
 408                     DWORD mask, runner;
 409
 410                     if (dwRenderStateType == D3DRENDERSTATE_CLIPPING) {
 411                         mask = ((dwRenderState) ?
 412                                 (This->state_block.render_state[D3DRENDERSTATE_CLIPPLANEENABLE - 1]) : (0x0000));
 413                     } else {
 414                         mask = dwRenderState;
 415                     }
 416                     for (i = 0, runner = 0x00000001; i < This->max_clipping_planes; i++, runner = (runner << 1)) {
 417                         if (mask & runner) {
 418                             glEnable(GL_CLIP_PLANE0 + i);
 419                         } else {
 420                             glDisable(GL_CLIP_PLANE0 + i);
 421                         }
 422                     }
 423                 }
 424                 break;
 425
 426             case D3DRENDERSTATE_LIGHTING:    /* 137 */
 427                 if (dwRenderState)
 428                     glEnable(GL_LIGHTING);
 429                 else
 430                     glDisable(GL_LIGHTING);
 431                 break;
 432
 433             case D3DRENDERSTATE_AMBIENT: {            /* 139 */
 434                 float light[4];
 435
 436                 light[0] = ((dwRenderState >> 16) & 0xFF) / 255.0;
 437                 light[1] = ((dwRenderState >>  8) & 0xFF) / 255.0;
 438                 light[2] = ((dwRenderState >>  0) & 0xFF) / 255.0;
 439                 light[3] = ((dwRenderState >> 24) & 0xFF) / 255.0;
 440                 glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (float *) light);
 441             } break;
 442
 443             case D3DRENDERSTATE_COLORVERTEX:          /* 141 */
 444                   /* Nothing to do here.. Only storage matters */
 445                   break;
 446
 447             case D3DRENDERSTATE_LOCALVIEWER:          /* 142 */
 448                 if (dwRenderState)
 449                     glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
 450                 else
 451                     glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_FALSE);
 452                 break;
 453
 454             case D3DRENDERSTATE_NORMALIZENORMALS:     /* 143 */
 455                 if (dwRenderState) {
 456                     glEnable(GL_NORMALIZE);
 457                     glEnable(GL_RESCALE_NORMAL);
 458                 } else {
 459                     glDisable(GL_NORMALIZE);
 460                     glDisable(GL_RESCALE_NORMAL);
 461                 }
 462                 break;
 463
 464             case D3DRENDERSTATE_DIFFUSEMATERIALSOURCE:    /* 145 */
 465             case D3DRENDERSTATE_SPECULARMATERIALSOURCE:   /* 146 */
 466             case D3DRENDERSTATE_AMBIENTMATERIALSOURCE:    /* 147 */
 467             case D3DRENDERSTATE_EMISSIVEMATERIALSOURCE:   /* 148 */
 468                 /* Nothing to do here. Only the storage matters :-) */
 469                 break;
 470
 471             default:
 472                 ERR("Unhandled dwRenderStateType %s (%08x) value : %08lx !\n",
 473                     _get_renderstate(dwRenderStateType), dwRenderStateType, dwRenderState);
 474         }
 475         LEAVE_GL();
 476     }
 477 }
 478
 479 void store_render_state(IDirect3DDeviceImpl *This,
 480                         D3DRENDERSTATETYPE dwRenderStateType, DWORD dwRenderState, STATEBLOCK *lpStateBlock)
 481 {
 482     TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
 483
 484     /* Some special cases first.. */
 485     if (dwRenderStateType == D3DRENDERSTATE_SRCBLEND) {
 486         if (dwRenderState == D3DBLEND_BOTHSRCALPHA) {
 487             lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_SRCALPHA;
 488             lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_SRCALPHA;
 489             return;
 490         } else if (dwRenderState == D3DBLEND_BOTHINVSRCALPHA) {
 491             lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_INVSRCALPHA;
 492             lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_INVSRCALPHA;
 493             return;
 494         }
 495     } else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) {
 496         lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSU - 1] = dwRenderState;
 497         lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSV - 1] = dwRenderState;
 498     } else if (dwRenderStateType == D3DRENDERSTATE_WRAPU) {
 499         if (dwRenderState)
 500             lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] |= D3DWRAP_U;
 501         else
 502             lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] &= ~D3DWRAP_U;
 503     } else if (dwRenderStateType == D3DRENDERSTATE_WRAPV) {
 504         if (dwRenderState)
 505             lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] |= D3DWRAP_V;
 506         else
 507             lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] &= ~D3DWRAP_V;
 508     }
 509
 510     /* Default case */
 511     lpStateBlock->render_state[dwRenderStateType - 1] = dwRenderState;
 512 }
 513
 514 void get_render_state(IDirect3DDeviceImpl *This,
 515                       D3DRENDERSTATETYPE dwRenderStateType, LPDWORD lpdwRenderState, STATEBLOCK *lpStateBlock)
 516 {
 517     *lpdwRenderState = lpStateBlock->render_state[dwRenderStateType - 1];
 518     if (TRACE_ON(ddraw))
 519         TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), *lpdwRenderState);
 520 }
 521
 522 void apply_render_state(IDirect3DDeviceImpl *This, STATEBLOCK *lpStateBlock)
 523 {
 524     DWORD i;
 525     TRACE("(%p,%p)\n", This, lpStateBlock);
 526     for(i = 0; i < HIGHEST_RENDER_STATE; i++)
 527         if (lpStateBlock->set_flags.render_state[i])
 528             set_render_state(This, i + 1, lpStateBlock);
 529 }