graphics/d3dcommon.c

   1 /* Direct3D Common functions
   2    (c) 1998 Lionel ULMER
   3
   4    This file contains all common miscellaneous code that spans
   5    different 'objects' */
   6
   7 #include "windef.h"
   8 #include "wine/obj_base.h"
   9 #include "ddraw.h"
  10 #include "d3d.h"
  11 #include "debug.h"
  12
  13 #include "d3d_private.h"
  14
  15 #ifdef HAVE_MESAGL
  16
  17 static void _dump_renderstate(D3DRENDERSTATETYPE type,
  18                               DWORD value) {
  19   char *states[] = {
  20     NULL,
  21     "D3DRENDERSTATE_TEXTUREHANDLE",
  22     "D3DRENDERSTATE_ANTIALIAS",
  23     "D3DRENDERSTATE_TEXTUREADDRESS",
  24     "D3DRENDERSTATE_TEXTUREPERSPECTIVE",
  25     "D3DRENDERSTATE_WRAPU",
  26     "D3DRENDERSTATE_WRAPV",
  27     "D3DRENDERSTATE_ZENABLE",
  28     "D3DRENDERSTATE_FILLMODE",
  29     "D3DRENDERSTATE_SHADEMODE",
  30     "D3DRENDERSTATE_LINEPATTERN",
  31     "D3DRENDERSTATE_MONOENABLE",
  32     "D3DRENDERSTATE_ROP2",
  33     "D3DRENDERSTATE_PLANEMASK",
  34     "D3DRENDERSTATE_ZWRITEENABLE",
  35     "D3DRENDERSTATE_ALPHATESTENABLE",
  36     "D3DRENDERSTATE_LASTPIXEL",
  37     "D3DRENDERSTATE_TEXTUREMAG",
  38     "D3DRENDERSTATE_TEXTUREMIN",
  39     "D3DRENDERSTATE_SRCBLEND",
  40     "D3DRENDERSTATE_DESTBLEND",
  41     "D3DRENDERSTATE_TEXTUREMAPBLEND",
  42     "D3DRENDERSTATE_CULLMODE",
  43     "D3DRENDERSTATE_ZFUNC",
  44     "D3DRENDERSTATE_ALPHAREF",
  45     "D3DRENDERSTATE_ALPHAFUNC",
  46     "D3DRENDERSTATE_DITHERENABLE",
  47     "D3DRENDERSTATE_ALPHABLENDENABLE",
  48     "D3DRENDERSTATE_FOGENABLE",
  49     "D3DRENDERSTATE_SPECULARENABLE",
  50     "D3DRENDERSTATE_ZVISIBLE",
  51     "D3DRENDERSTATE_SUBPIXEL",
  52     "D3DRENDERSTATE_SUBPIXELX",
  53     "D3DRENDERSTATE_STIPPLEDALPHA",
  54     "D3DRENDERSTATE_FOGCOLOR",
  55     "D3DRENDERSTATE_FOGTABLEMODE",
  56     "D3DRENDERSTATE_FOGTABLESTART",
  57     "D3DRENDERSTATE_FOGTABLEEND",
  58     "D3DRENDERSTATE_FOGTABLEDENSITY",
  59     "D3DRENDERSTATE_STIPPLEENABLE",
  60     "D3DRENDERSTATE_EDGEANTIALIAS",
  61     "D3DRENDERSTATE_COLORKEYENABLE",
  62     "ERR",
  63     "D3DRENDERSTATE_BORDERCOLOR",
  64     "D3DRENDERSTATE_TEXTUREADDRESSU",
  65     "D3DRENDERSTATE_TEXTUREADDRESSV",
  66     "D3DRENDERSTATE_MIPMAPLODBIAS",
  67     "D3DRENDERSTATE_ZBIAS",
  68     "D3DRENDERSTATE_RANGEFOGENABLE",
  69     "D3DRENDERSTATE_ANISOTROPY",
  70     "D3DRENDERSTATE_FLUSHBATCH",
  71     "ERR", "ERR", "ERR", "ERR", "ERR", "ERR", "ERR",
  72     "ERR", "ERR", "ERR", "ERR", "ERR", "ERR",
  73     "D3DRENDERSTATE_STIPPLEPATTERN00",
  74     "D3DRENDERSTATE_STIPPLEPATTERN01",
  75     "D3DRENDERSTATE_STIPPLEPATTERN02",
  76     "D3DRENDERSTATE_STIPPLEPATTERN03",
  77     "D3DRENDERSTATE_STIPPLEPATTERN04",
  78     "D3DRENDERSTATE_STIPPLEPATTERN05",
  79     "D3DRENDERSTATE_STIPPLEPATTERN06",
  80     "D3DRENDERSTATE_STIPPLEPATTERN07",
  81     "D3DRENDERSTATE_STIPPLEPATTERN08",
  82     "D3DRENDERSTATE_STIPPLEPATTERN09",
  83     "D3DRENDERSTATE_STIPPLEPATTERN10",
  84     "D3DRENDERSTATE_STIPPLEPATTERN11",
  85     "D3DRENDERSTATE_STIPPLEPATTERN12",
  86     "D3DRENDERSTATE_STIPPLEPATTERN13",
  87     "D3DRENDERSTATE_STIPPLEPATTERN14",
  88     "D3DRENDERSTATE_STIPPLEPATTERN15",
  89     "D3DRENDERSTATE_STIPPLEPATTERN16",
  90     "D3DRENDERSTATE_STIPPLEPATTERN17",
  91     "D3DRENDERSTATE_STIPPLEPATTERN18",
  92     "D3DRENDERSTATE_STIPPLEPATTERN19",
  93     "D3DRENDERSTATE_STIPPLEPATTERN20",
  94     "D3DRENDERSTATE_STIPPLEPATTERN21",
  95     "D3DRENDERSTATE_STIPPLEPATTERN22",
  96     "D3DRENDERSTATE_STIPPLEPATTERN23",
  97     "D3DRENDERSTATE_STIPPLEPATTERN24",
  98     "D3DRENDERSTATE_STIPPLEPATTERN25",
  99     "D3DRENDERSTATE_STIPPLEPATTERN26",
 100     "D3DRENDERSTATE_STIPPLEPATTERN27",
 101     "D3DRENDERSTATE_STIPPLEPATTERN28",
 102     "D3DRENDERSTATE_STIPPLEPATTERN29",
 103     "D3DRENDERSTATE_STIPPLEPATTERN30",
 104     "D3DRENDERSTATE_STIPPLEPATTERN31"
 105   };
 106
 107   DUMP(" %s = 0x%08lx\n", states[type], value);
 108 }
 109
 110
 111 void set_render_state(D3DRENDERSTATETYPE dwRenderStateType,
 112                       DWORD dwRenderState, RenderState *rs)
 113 {
 114
 115   if (TRACE_ON(ddraw))
 116     _dump_renderstate(dwRenderStateType, dwRenderState);
 117
 118   /* First, all the stipple patterns */
 119   if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
 120       (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
 121     ERR(ddraw, "Unhandled stipple !\n");
 122   } else {
 123     /* All others state variables */
 124     switch (dwRenderStateType) {
 125
 126     case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
 127       IDirect3DTexture2Impl* tex = (IDirect3DTexture2Impl*) dwRenderState;
 128
 129       if (tex == NULL) {
 130         glBindTexture(GL_TEXTURE_2D, 0);
 131         glDisable(GL_TEXTURE_2D);
 132       } else {
 133         TRACE(ddraw, "setting OpenGL texture handle : %d\n", tex->tex_name);
 134         glEnable(GL_TEXTURE_2D);
 135         /* Default parameters */
 136         glBindTexture(GL_TEXTURE_2D, tex->tex_name);
 137         /* To prevent state change, we could test here what are the parameters
 138            stored in the texture */
 139         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
 140         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
 141       }
 142     } break;
 143
 144     case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
 145       if (dwRenderState)
 146         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 147       else
 148         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
 149       break;
 150
 151     case D3DRENDERSTATE_ZENABLE:          /*  7 */
 152       if (dwRenderState)
 153         glEnable(GL_DEPTH_TEST);
 154       else
 155         glDisable(GL_DEPTH_TEST);
 156       break;
 157
 158     case D3DRENDERSTATE_FILLMODE:           /*  8 */
 159       switch ((D3DFILLMODE) dwRenderState) {
 160       case D3DFILL_SOLID:
 161         break;
 162
 163       default:
 164         ERR(ddraw, "Unhandled fill mode !\n");
 165       }
 166       break;
 167
 168     case D3DRENDERSTATE_SHADEMODE:          /*  9 */
 169       switch ((D3DSHADEMODE) dwRenderState) {
 170       case D3DSHADE_FLAT:
 171         glShadeModel(GL_FLAT);
 172         break;
 173
 174       case D3DSHADE_GOURAUD:
 175         glShadeModel(GL_SMOOTH);
 176         break;
 177
 178       default:
 179         ERR(ddraw, "Unhandled shade mode !\n");
 180       }
 181       break;
 182
 183     case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
 184       if (dwRenderState)
 185         glDepthMask(GL_TRUE);
 186       else
 187         glDepthMask(GL_FALSE);
 188       break;
 189
 190     case D3DRENDERSTATE_TEXTUREMAG:         /* 17 */
 191       switch ((D3DTEXTUREFILTER) dwRenderState) {
 192       case D3DFILTER_NEAREST:
 193         rs->mag = GL_NEAREST;
 194         break;
 195
 196       case D3DFILTER_LINEAR:
 197         rs->mag = GL_LINEAR;
 198         break;
 199
 200       default:
 201         ERR(ddraw, "Unhandled texture mag !\n");
 202       }
 203       break;
 204
 205     case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 206       switch ((D3DTEXTUREFILTER) dwRenderState) {
 207       case D3DFILTER_NEAREST:
 208         rs->min = GL_NEAREST;
 209         break;
 210
 211       case D3DFILTER_LINEAR:
 212         rs->mag = GL_LINEAR;
 213         break;
 214
 215       default:
 216         ERR(ddraw, "Unhandled texture min !\n");
 217       }
 218       break;
 219
 220     case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 221       switch ((D3DBLEND) dwRenderState) {
 222       case D3DBLEND_SRCALPHA:
 223         rs->src = GL_SRC_ALPHA;
 224         break;
 225
 226       default:
 227         ERR(ddraw, "Unhandled blend mode !\n");
 228       }
 229
 230       glBlendFunc(rs->src, rs->dst);
 231       break;
 232
 233     case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 234       switch ((D3DBLEND) dwRenderState) {
 235       case D3DBLEND_INVSRCALPHA:
 236         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 237         break;
 238
 239       default:
 240         ERR(ddraw, "Unhandled blend mode !\n");
 241       }
 242
 243       glBlendFunc(rs->src, rs->dst);
 244       break;
 245
 246     case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 247       switch ((D3DTEXTUREBLEND) dwRenderState) {
 248       case D3DTBLEND_MODULATE:
 249       case D3DTBLEND_MODULATEALPHA:
 250         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 251         break;
 252
 253       default:
 254         ERR(ddraw, "Unhandled texture environment !\n");
 255       }
 256       break;
 257
 258     case D3DRENDERSTATE_CULLMODE:           /* 22 */
 259       switch ((D3DCULL) dwRenderState) {
 260       case D3DCULL_NONE:
 261         glDisable(GL_CULL_FACE);
 262         break;
 263
 264       case D3DCULL_CW:
 265         glEnable(GL_CULL_FACE);
 266         glFrontFace(GL_CW);
 267         break;
 268
 269       case D3DCULL_CCW:
 270         glEnable(GL_CULL_FACE);
 271         glFrontFace(GL_CCW);
 272         break;
 273
 274       default:
 275         ERR(ddraw, "Unhandled cull mode !\n");
 276       }
 277       break;
 278
 279     case D3DRENDERSTATE_ZFUNC:            /* 23 */
 280       switch ((D3DCMPFUNC) dwRenderState) {
 281       case D3DCMP_NEVER:
 282         glDepthFunc(GL_NEVER);
 283         break;
 284       case D3DCMP_LESS:
 285         glDepthFunc(GL_LESS);
 286         break;
 287       case D3DCMP_EQUAL:
 288         glDepthFunc(GL_EQUAL);
 289         break;
 290       case D3DCMP_LESSEQUAL:
 291         glDepthFunc(GL_LEQUAL);
 292         break;
 293       case D3DCMP_GREATER:
 294         glDepthFunc(GL_GREATER);
 295         break;
 296       case D3DCMP_NOTEQUAL:
 297         glDepthFunc(GL_NOTEQUAL);
 298         break;
 299       case D3DCMP_GREATEREQUAL:
 300         glDepthFunc(GL_GEQUAL);
 301         break;
 302       case D3DCMP_ALWAYS:
 303         glDepthFunc(GL_ALWAYS);
 304         break;
 305
 306       default:
 307         ERR(ddraw, "Unexpected value\n");
 308       }
 309       break;
 310
 311     case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 312       if (dwRenderState)
 313         glEnable(GL_DITHER);
 314       else
 315         glDisable(GL_DITHER);
 316       break;
 317
 318     case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 319       if (dwRenderState)
 320         glEnable(GL_BLEND);
 321       else
 322         glDisable(GL_BLEND);
 323       break;
 324
 325     case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 326       if (dwRenderState)
 327         glEnable(GL_BLEND);
 328       else
 329         glDisable(GL_BLEND);
 330       break;
 331
 332     case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 333       break;
 334
 335     default:
 336       ERR(ddraw, "Unhandled Render State\n");
 337       break;
 338     }
 339   }
 340 }
 341
 342
 343 #endif /* HAVE_MESAGL */