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 DEFAULT_DEBUG_CHANNEL(ddraw)
  16
  17 #ifdef HAVE_MESAGL
  18
  19 static void _dump_renderstate(D3DRENDERSTATETYPE type,
  20                               DWORD value) {
  21   char *states[] = {
  22     NULL,
  23     "D3DRENDERSTATE_TEXTUREHANDLE",
  24     "D3DRENDERSTATE_ANTIALIAS",
  25     "D3DRENDERSTATE_TEXTUREADDRESS",
  26     "D3DRENDERSTATE_TEXTUREPERSPECTIVE",
  27     "D3DRENDERSTATE_WRAPU",
  28     "D3DRENDERSTATE_WRAPV",
  29     "D3DRENDERSTATE_ZENABLE",
  30     "D3DRENDERSTATE_FILLMODE",
  31     "D3DRENDERSTATE_SHADEMODE",
  32     "D3DRENDERSTATE_LINEPATTERN",
  33     "D3DRENDERSTATE_MONOENABLE",
  34     "D3DRENDERSTATE_ROP2",
  35     "D3DRENDERSTATE_PLANEMASK",
  36     "D3DRENDERSTATE_ZWRITEENABLE",
  37     "D3DRENDERSTATE_ALPHATESTENABLE",
  38     "D3DRENDERSTATE_LASTPIXEL",
  39     "D3DRENDERSTATE_TEXTUREMAG",
  40     "D3DRENDERSTATE_TEXTUREMIN",
  41     "D3DRENDERSTATE_SRCBLEND",
  42     "D3DRENDERSTATE_DESTBLEND",
  43     "D3DRENDERSTATE_TEXTUREMAPBLEND",
  44     "D3DRENDERSTATE_CULLMODE",
  45     "D3DRENDERSTATE_ZFUNC",
  46     "D3DRENDERSTATE_ALPHAREF",
  47     "D3DRENDERSTATE_ALPHAFUNC",
  48     "D3DRENDERSTATE_DITHERENABLE",
  49     "D3DRENDERSTATE_ALPHABLENDENABLE",
  50     "D3DRENDERSTATE_FOGENABLE",
  51     "D3DRENDERSTATE_SPECULARENABLE",
  52     "D3DRENDERSTATE_ZVISIBLE",
  53     "D3DRENDERSTATE_SUBPIXEL",
  54     "D3DRENDERSTATE_SUBPIXELX",
  55     "D3DRENDERSTATE_STIPPLEDALPHA",
  56     "D3DRENDERSTATE_FOGCOLOR",
  57     "D3DRENDERSTATE_FOGTABLEMODE",
  58     "D3DRENDERSTATE_FOGTABLESTART",
  59     "D3DRENDERSTATE_FOGTABLEEND",
  60     "D3DRENDERSTATE_FOGTABLEDENSITY",
  61     "D3DRENDERSTATE_STIPPLEENABLE",
  62     "D3DRENDERSTATE_EDGEANTIALIAS",
  63     "D3DRENDERSTATE_COLORKEYENABLE",
  64     "ERR",
  65     "D3DRENDERSTATE_BORDERCOLOR",
  66     "D3DRENDERSTATE_TEXTUREADDRESSU",
  67     "D3DRENDERSTATE_TEXTUREADDRESSV",
  68     "D3DRENDERSTATE_MIPMAPLODBIAS",
  69     "D3DRENDERSTATE_ZBIAS",
  70     "D3DRENDERSTATE_RANGEFOGENABLE",
  71     "D3DRENDERSTATE_ANISOTROPY",
  72     "D3DRENDERSTATE_FLUSHBATCH",
  73     "ERR", "ERR", "ERR", "ERR", "ERR", "ERR", "ERR",
  74     "ERR", "ERR", "ERR", "ERR", "ERR", "ERR",
  75     "D3DRENDERSTATE_STIPPLEPATTERN00",
  76     "D3DRENDERSTATE_STIPPLEPATTERN01",
  77     "D3DRENDERSTATE_STIPPLEPATTERN02",
  78     "D3DRENDERSTATE_STIPPLEPATTERN03",
  79     "D3DRENDERSTATE_STIPPLEPATTERN04",
  80     "D3DRENDERSTATE_STIPPLEPATTERN05",
  81     "D3DRENDERSTATE_STIPPLEPATTERN06",
  82     "D3DRENDERSTATE_STIPPLEPATTERN07",
  83     "D3DRENDERSTATE_STIPPLEPATTERN08",
  84     "D3DRENDERSTATE_STIPPLEPATTERN09",
  85     "D3DRENDERSTATE_STIPPLEPATTERN10",
  86     "D3DRENDERSTATE_STIPPLEPATTERN11",
  87     "D3DRENDERSTATE_STIPPLEPATTERN12",
  88     "D3DRENDERSTATE_STIPPLEPATTERN13",
  89     "D3DRENDERSTATE_STIPPLEPATTERN14",
  90     "D3DRENDERSTATE_STIPPLEPATTERN15",
  91     "D3DRENDERSTATE_STIPPLEPATTERN16",
  92     "D3DRENDERSTATE_STIPPLEPATTERN17",
  93     "D3DRENDERSTATE_STIPPLEPATTERN18",
  94     "D3DRENDERSTATE_STIPPLEPATTERN19",
  95     "D3DRENDERSTATE_STIPPLEPATTERN20",
  96     "D3DRENDERSTATE_STIPPLEPATTERN21",
  97     "D3DRENDERSTATE_STIPPLEPATTERN22",
  98     "D3DRENDERSTATE_STIPPLEPATTERN23",
  99     "D3DRENDERSTATE_STIPPLEPATTERN24",
 100     "D3DRENDERSTATE_STIPPLEPATTERN25",
 101     "D3DRENDERSTATE_STIPPLEPATTERN26",
 102     "D3DRENDERSTATE_STIPPLEPATTERN27",
 103     "D3DRENDERSTATE_STIPPLEPATTERN28",
 104     "D3DRENDERSTATE_STIPPLEPATTERN29",
 105     "D3DRENDERSTATE_STIPPLEPATTERN30",
 106     "D3DRENDERSTATE_STIPPLEPATTERN31"
 107   };
 108
 109   DUMP(" %s = 0x%08lx\n", states[type], value);
 110 }
 111
 112
 113 void set_render_state(D3DRENDERSTATETYPE dwRenderStateType,
 114                       DWORD dwRenderState, RenderState *rs)
 115 {
 116
 117   if (TRACE_ON(ddraw))
 118     _dump_renderstate(dwRenderStateType, dwRenderState);
 119
 120   /* First, all the stipple patterns */
 121   if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
 122       (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
 123     ERR(ddraw, "Unhandled stipple !\n");
 124   } else {
 125     /* All others state variables */
 126     switch (dwRenderStateType) {
 127
 128     case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
 129       IDirect3DTexture2Impl* tex = (IDirect3DTexture2Impl*) dwRenderState;
 130
 131       if (tex == NULL) {
 132         glBindTexture(GL_TEXTURE_2D, 0);
 133         glDisable(GL_TEXTURE_2D);
 134       } else {
 135         TRACE(ddraw, "setting OpenGL texture handle : %d\n", tex->tex_name);
 136         glEnable(GL_TEXTURE_2D);
 137         /* Default parameters */
 138         glBindTexture(GL_TEXTURE_2D, tex->tex_name);
 139         /* To prevent state change, we could test here what are the parameters
 140            stored in the texture */
 141         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
 142         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
 143       }
 144     } break;
 145
 146     case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
 147       if (dwRenderState)
 148         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 149       else
 150         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
 151       break;
 152
 153     case D3DRENDERSTATE_ZENABLE:          /*  7 */
 154       if (dwRenderState)
 155         glEnable(GL_DEPTH_TEST);
 156       else
 157         glDisable(GL_DEPTH_TEST);
 158       break;
 159
 160     case D3DRENDERSTATE_FILLMODE:           /*  8 */
 161       switch ((D3DFILLMODE) dwRenderState) {
 162       case D3DFILL_SOLID:
 163         break;
 164
 165       default:
 166         ERR(ddraw, "Unhandled fill mode !\n");
 167       }
 168       break;
 169
 170     case D3DRENDERSTATE_SHADEMODE:          /*  9 */
 171       switch ((D3DSHADEMODE) dwRenderState) {
 172       case D3DSHADE_FLAT:
 173         glShadeModel(GL_FLAT);
 174         break;
 175
 176       case D3DSHADE_GOURAUD:
 177         glShadeModel(GL_SMOOTH);
 178         break;
 179
 180       default:
 181         ERR(ddraw, "Unhandled shade mode !\n");
 182       }
 183       break;
 184
 185     case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
 186       if (dwRenderState)
 187         glDepthMask(GL_TRUE);
 188       else
 189         glDepthMask(GL_FALSE);
 190       break;
 191
 192     case D3DRENDERSTATE_TEXTUREMAG:         /* 17 */
 193       switch ((D3DTEXTUREFILTER) dwRenderState) {
 194       case D3DFILTER_NEAREST:
 195         rs->mag = GL_NEAREST;
 196         break;
 197
 198       case D3DFILTER_LINEAR:
 199         rs->mag = GL_LINEAR;
 200         break;
 201
 202       default:
 203         ERR(ddraw, "Unhandled texture mag !\n");
 204       }
 205       break;
 206
 207     case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 208       switch ((D3DTEXTUREFILTER) dwRenderState) {
 209       case D3DFILTER_NEAREST:
 210         rs->min = GL_NEAREST;
 211         break;
 212
 213       case D3DFILTER_LINEAR:
 214         rs->mag = GL_LINEAR;
 215         break;
 216
 217       default:
 218         ERR(ddraw, "Unhandled texture min !\n");
 219       }
 220       break;
 221
 222     case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 223       switch ((D3DBLEND) dwRenderState) {
 224       case D3DBLEND_SRCALPHA:
 225         rs->src = GL_SRC_ALPHA;
 226         break;
 227
 228       default:
 229         ERR(ddraw, "Unhandled blend mode !\n");
 230       }
 231
 232       glBlendFunc(rs->src, rs->dst);
 233       break;
 234
 235     case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 236       switch ((D3DBLEND) dwRenderState) {
 237       case D3DBLEND_INVSRCALPHA:
 238         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 239         break;
 240
 241       default:
 242         ERR(ddraw, "Unhandled blend mode !\n");
 243       }
 244
 245       glBlendFunc(rs->src, rs->dst);
 246       break;
 247
 248     case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 249       switch ((D3DTEXTUREBLEND) dwRenderState) {
 250       case D3DTBLEND_MODULATE:
 251       case D3DTBLEND_MODULATEALPHA:
 252         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 253         break;
 254
 255       default:
 256         ERR(ddraw, "Unhandled texture environment !\n");
 257       }
 258       break;
 259
 260     case D3DRENDERSTATE_CULLMODE:           /* 22 */
 261       switch ((D3DCULL) dwRenderState) {
 262       case D3DCULL_NONE:
 263         glDisable(GL_CULL_FACE);
 264         break;
 265
 266       case D3DCULL_CW:
 267         glEnable(GL_CULL_FACE);
 268         glFrontFace(GL_CW);
 269         break;
 270
 271       case D3DCULL_CCW:
 272         glEnable(GL_CULL_FACE);
 273         glFrontFace(GL_CCW);
 274         break;
 275
 276       default:
 277         ERR(ddraw, "Unhandled cull mode !\n");
 278       }
 279       break;
 280
 281     case D3DRENDERSTATE_ZFUNC:            /* 23 */
 282       switch ((D3DCMPFUNC) dwRenderState) {
 283       case D3DCMP_NEVER:
 284         glDepthFunc(GL_NEVER);
 285         break;
 286       case D3DCMP_LESS:
 287         glDepthFunc(GL_LESS);
 288         break;
 289       case D3DCMP_EQUAL:
 290         glDepthFunc(GL_EQUAL);
 291         break;
 292       case D3DCMP_LESSEQUAL:
 293         glDepthFunc(GL_LEQUAL);
 294         break;
 295       case D3DCMP_GREATER:
 296         glDepthFunc(GL_GREATER);
 297         break;
 298       case D3DCMP_NOTEQUAL:
 299         glDepthFunc(GL_NOTEQUAL);
 300         break;
 301       case D3DCMP_GREATEREQUAL:
 302         glDepthFunc(GL_GEQUAL);
 303         break;
 304       case D3DCMP_ALWAYS:
 305         glDepthFunc(GL_ALWAYS);
 306         break;
 307
 308       default:
 309         ERR(ddraw, "Unexpected value\n");
 310       }
 311       break;
 312
 313     case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 314       if (dwRenderState)
 315         glEnable(GL_DITHER);
 316       else
 317         glDisable(GL_DITHER);
 318       break;
 319
 320     case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 321       if (dwRenderState)
 322         glEnable(GL_BLEND);
 323       else
 324         glDisable(GL_BLEND);
 325       break;
 326
 327     case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 328       if (dwRenderState)
 329         glEnable(GL_BLEND);
 330       else
 331         glDisable(GL_BLEND);
 332       break;
 333
 334     case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 335       break;
 336
 337     default:
 338       ERR(ddraw, "Unhandled Render State\n");
 339       break;
 340     }
 341   }
 342 }
 343
 344
 345 #endif /* HAVE_MESAGL */