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 "wine/obj_base.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 #define D3DTPRIVATE(x) mesa_d3dt_private *dtpriv = (mesa_d3dt_private*)(x)->private
  34
  35 void set_render_state(D3DRENDERSTATETYPE dwRenderStateType,
  36                       DWORD dwRenderState, RenderState *rs)
  37 {
  38
  39   if (TRACE_ON(ddraw))
  40     _dump_renderstate(dwRenderStateType, dwRenderState);
  41
  42   /* First, all the stipple patterns */
  43   if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
  44       (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
  45     ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
  46   } else {
  47     ENTER_GL();
  48
  49     /* All others state variables */
  50     switch (dwRenderStateType) {
  51
  52     case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
  53       IDirect3DTexture2Impl* tex = (IDirect3DTexture2Impl*) dwRenderState;
  54
  55       if (tex == NULL) {
  56         glBindTexture(GL_TEXTURE_2D, 0);
  57         glDisable(GL_TEXTURE_2D);
  58         TRACE("disabling texturing\n");
  59       } else {
  60         D3DTPRIVATE(tex);
  61
  62         glEnable(GL_TEXTURE_2D);
  63         /* Default parameters */
  64         glBindTexture(GL_TEXTURE_2D, dtpriv->tex_name);
  65         /* To prevent state change, we could test here what are the parameters
  66            stored in the texture */
  67         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
  68         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
  69         TRACE("setting OpenGL texture handle : %d\n", dtpriv->tex_name);
  70       }
  71     } break;
  72
  73     case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
  74       if (dwRenderState)
  75         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
  76       else
  77         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
  78       break;
  79
  80     case D3DRENDERSTATE_ZENABLE:          /*  7 */
  81       if (dwRenderState)
  82         glEnable(GL_DEPTH_TEST);
  83       else
  84         glDisable(GL_DEPTH_TEST);
  85       break;
  86
  87     case D3DRENDERSTATE_FILLMODE:           /*  8 */
  88       switch ((D3DFILLMODE) dwRenderState) {
  89       case D3DFILL_SOLID:
  90         break;
  91
  92       default:
  93         ERR("Unhandled fill mode !\n");
  94       }
  95       break;
  96
  97     case D3DRENDERSTATE_SHADEMODE:          /*  9 */
  98       switch ((D3DSHADEMODE) dwRenderState) {
  99       case D3DSHADE_FLAT:
 100         glShadeModel(GL_FLAT);
 101         break;
 102
 103       case D3DSHADE_GOURAUD:
 104         glShadeModel(GL_SMOOTH);
 105         break;
 106
 107       default:
 108         ERR("Unhandled shade mode !\n");
 109       }
 110       break;
 111
 112     case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
 113       if (dwRenderState)
 114         glDepthMask(GL_TRUE);
 115       else
 116         glDepthMask(GL_FALSE);
 117       break;
 118
 119     case D3DRENDERSTATE_TEXTUREMAG:         /* 17 */
 120       switch ((D3DTEXTUREFILTER) dwRenderState) {
 121       case D3DFILTER_NEAREST:
 122         rs->mag = GL_NEAREST;
 123         break;
 124
 125       case D3DFILTER_LINEAR:
 126         rs->mag = GL_LINEAR;
 127         break;
 128
 129       default:
 130         ERR("Unhandled texture mag !\n");
 131       }
 132       break;
 133
 134     case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 135       switch ((D3DTEXTUREFILTER) dwRenderState) {
 136       case D3DFILTER_NEAREST:
 137         rs->min = GL_NEAREST;
 138         break;
 139
 140       case D3DFILTER_LINEAR:
 141         rs->mag = GL_LINEAR;
 142         break;
 143
 144       default:
 145         ERR("Unhandled texture min !\n");
 146       }
 147       break;
 148
 149     case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 150       switch ((D3DBLEND) dwRenderState) {
 151       case D3DBLEND_SRCALPHA:
 152         rs->src = GL_SRC_ALPHA;
 153         break;
 154
 155       default:
 156         ERR("Unhandled blend mode !\n");
 157       }
 158
 159       glBlendFunc(rs->src, rs->dst);
 160       break;
 161
 162     case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 163       switch ((D3DBLEND) dwRenderState) {
 164       case D3DBLEND_INVSRCALPHA:
 165         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 166         break;
 167
 168       default:
 169         ERR("Unhandled blend mode !\n");
 170       }
 171
 172       glBlendFunc(rs->src, rs->dst);
 173       break;
 174
 175     case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 176       switch ((D3DTEXTUREBLEND) dwRenderState) {
 177       case D3DTBLEND_MODULATE:
 178       case D3DTBLEND_MODULATEALPHA:
 179         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 180         break;
 181
 182       default:
 183         ERR("Unhandled texture environment !\n");
 184       }
 185       break;
 186
 187     case D3DRENDERSTATE_CULLMODE:           /* 22 */
 188       switch ((D3DCULL) dwRenderState) {
 189       case D3DCULL_NONE:
 190         glDisable(GL_CULL_FACE);
 191         break;
 192
 193       case D3DCULL_CW:
 194         glEnable(GL_CULL_FACE);
 195         glFrontFace(GL_CW);
 196         break;
 197
 198       case D3DCULL_CCW:
 199         glEnable(GL_CULL_FACE);
 200         glFrontFace(GL_CCW);
 201         break;
 202
 203       default:
 204         ERR("Unhandled cull mode !\n");
 205       }
 206       break;
 207
 208     case D3DRENDERSTATE_ZFUNC:            /* 23 */
 209       switch ((D3DCMPFUNC) dwRenderState) {
 210       case D3DCMP_NEVER:
 211         glDepthFunc(GL_NEVER);
 212         break;
 213       case D3DCMP_LESS:
 214         glDepthFunc(GL_LESS);
 215         break;
 216       case D3DCMP_EQUAL:
 217         glDepthFunc(GL_EQUAL);
 218         break;
 219       case D3DCMP_LESSEQUAL:
 220         glDepthFunc(GL_LEQUAL);
 221         break;
 222       case D3DCMP_GREATER:
 223         glDepthFunc(GL_GREATER);
 224         break;
 225       case D3DCMP_NOTEQUAL:
 226         glDepthFunc(GL_NOTEQUAL);
 227         break;
 228       case D3DCMP_GREATEREQUAL:
 229         glDepthFunc(GL_GEQUAL);
 230         break;
 231       case D3DCMP_ALWAYS:
 232         glDepthFunc(GL_ALWAYS);
 233         break;
 234
 235       default:
 236         ERR("Unexpected value\n");
 237       }
 238       break;
 239
 240     case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 241       if (dwRenderState)
 242         glEnable(GL_DITHER);
 243       else
 244         glDisable(GL_DITHER);
 245       break;
 246
 247     case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 248       if (dwRenderState)
 249         glEnable(GL_BLEND);
 250       else
 251         glDisable(GL_BLEND);
 252       break;
 253
 254     case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 255       if (dwRenderState)
 256         glEnable(GL_BLEND);
 257       else
 258         glDisable(GL_BLEND);
 259       break;
 260
 261     case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 262       break;
 263
 264     default:
 265       ERR("Unhandled dwRenderStateType %d!\n",dwRenderStateType);
 266       break;
 267     }
 268
 269     LEAVE_GL();
 270   }
 271 }