dlls/ddraw/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 "debugtools.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   DPRINTF(" %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("Unhandled stipple !\n");
 124   } else {
 125     ENTER_GL();
 126
 127     /* All others state variables */
 128     switch (dwRenderStateType) {
 129
 130     case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
 131       IDirect3DTexture2Impl* tex = (IDirect3DTexture2Impl*) dwRenderState;
 132
 133       if (tex == NULL) {
 134         glBindTexture(GL_TEXTURE_2D, 0);
 135         glDisable(GL_TEXTURE_2D);
 136       } else {
 137         TRACE("setting OpenGL texture handle : %d\n", tex->tex_name);
 138         glEnable(GL_TEXTURE_2D);
 139         /* Default parameters */
 140         glBindTexture(GL_TEXTURE_2D, tex->tex_name);
 141         /* To prevent state change, we could test here what are the parameters
 142            stored in the texture */
 143         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
 144         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
 145       }
 146     } break;
 147
 148     case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
 149       if (dwRenderState)
 150         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
 151       else
 152         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
 153       break;
 154
 155     case D3DRENDERSTATE_ZENABLE:          /*  7 */
 156       if (dwRenderState)
 157         glEnable(GL_DEPTH_TEST);
 158       else
 159         glDisable(GL_DEPTH_TEST);
 160       break;
 161
 162     case D3DRENDERSTATE_FILLMODE:           /*  8 */
 163       switch ((D3DFILLMODE) dwRenderState) {
 164       case D3DFILL_SOLID:
 165         break;
 166
 167       default:
 168         ERR("Unhandled fill mode !\n");
 169       }
 170       break;
 171
 172     case D3DRENDERSTATE_SHADEMODE:          /*  9 */
 173       switch ((D3DSHADEMODE) dwRenderState) {
 174       case D3DSHADE_FLAT:
 175         glShadeModel(GL_FLAT);
 176         break;
 177
 178       case D3DSHADE_GOURAUD:
 179         glShadeModel(GL_SMOOTH);
 180         break;
 181
 182       default:
 183         ERR("Unhandled shade mode !\n");
 184       }
 185       break;
 186
 187     case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
 188       if (dwRenderState)
 189         glDepthMask(GL_TRUE);
 190       else
 191         glDepthMask(GL_FALSE);
 192       break;
 193
 194     case D3DRENDERSTATE_TEXTUREMAG:         /* 17 */
 195       switch ((D3DTEXTUREFILTER) dwRenderState) {
 196       case D3DFILTER_NEAREST:
 197         rs->mag = GL_NEAREST;
 198         break;
 199
 200       case D3DFILTER_LINEAR:
 201         rs->mag = GL_LINEAR;
 202         break;
 203
 204       default:
 205         ERR("Unhandled texture mag !\n");
 206       }
 207       break;
 208
 209     case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 210       switch ((D3DTEXTUREFILTER) dwRenderState) {
 211       case D3DFILTER_NEAREST:
 212         rs->min = GL_NEAREST;
 213         break;
 214
 215       case D3DFILTER_LINEAR:
 216         rs->mag = GL_LINEAR;
 217         break;
 218
 219       default:
 220         ERR("Unhandled texture min !\n");
 221       }
 222       break;
 223
 224     case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 225       switch ((D3DBLEND) dwRenderState) {
 226       case D3DBLEND_SRCALPHA:
 227         rs->src = GL_SRC_ALPHA;
 228         break;
 229
 230       default:
 231         ERR("Unhandled blend mode !\n");
 232       }
 233
 234       glBlendFunc(rs->src, rs->dst);
 235       break;
 236
 237     case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 238       switch ((D3DBLEND) dwRenderState) {
 239       case D3DBLEND_INVSRCALPHA:
 240         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 241         break;
 242
 243       default:
 244         ERR("Unhandled blend mode !\n");
 245       }
 246
 247       glBlendFunc(rs->src, rs->dst);
 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
 257       default:
 258         ERR("Unhandled texture environment !\n");
 259       }
 260       break;
 261
 262     case D3DRENDERSTATE_CULLMODE:           /* 22 */
 263       switch ((D3DCULL) dwRenderState) {
 264       case D3DCULL_NONE:
 265         glDisable(GL_CULL_FACE);
 266         break;
 267
 268       case D3DCULL_CW:
 269         glEnable(GL_CULL_FACE);
 270         glFrontFace(GL_CW);
 271         break;
 272
 273       case D3DCULL_CCW:
 274         glEnable(GL_CULL_FACE);
 275         glFrontFace(GL_CCW);
 276         break;
 277
 278       default:
 279         ERR("Unhandled cull mode !\n");
 280       }
 281       break;
 282
 283     case D3DRENDERSTATE_ZFUNC:            /* 23 */
 284       switch ((D3DCMPFUNC) dwRenderState) {
 285       case D3DCMP_NEVER:
 286         glDepthFunc(GL_NEVER);
 287         break;
 288       case D3DCMP_LESS:
 289         glDepthFunc(GL_LESS);
 290         break;
 291       case D3DCMP_EQUAL:
 292         glDepthFunc(GL_EQUAL);
 293         break;
 294       case D3DCMP_LESSEQUAL:
 295         glDepthFunc(GL_LEQUAL);
 296         break;
 297       case D3DCMP_GREATER:
 298         glDepthFunc(GL_GREATER);
 299         break;
 300       case D3DCMP_NOTEQUAL:
 301         glDepthFunc(GL_NOTEQUAL);
 302         break;
 303       case D3DCMP_GREATEREQUAL:
 304         glDepthFunc(GL_GEQUAL);
 305         break;
 306       case D3DCMP_ALWAYS:
 307         glDepthFunc(GL_ALWAYS);
 308         break;
 309
 310       default:
 311         ERR("Unexpected value\n");
 312       }
 313       break;
 314
 315     case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 316       if (dwRenderState)
 317         glEnable(GL_DITHER);
 318       else
 319         glDisable(GL_DITHER);
 320       break;
 321
 322     case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 323       if (dwRenderState)
 324         glEnable(GL_BLEND);
 325       else
 326         glDisable(GL_BLEND);
 327       break;
 328
 329     case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 330       if (dwRenderState)
 331         glEnable(GL_BLEND);
 332       else
 333         glDisable(GL_BLEND);
 334       break;
 335
 336     case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 337       break;
 338
 339     default:
 340       ERR("Unhandled Render State\n");
 341       break;
 342     }
 343
 344     LEAVE_GL();
 345   }
 346 }
 347
 348
 349 #endif /* HAVE_MESAGL */