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   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 void set_render_state(D3DRENDERSTATETYPE dwRenderStateType,
  34                       DWORD dwRenderState, RenderState *rs)
  35 {
  36     if (TRACE_ON(ddraw))
  37         TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState);
  38
  39     /* First, all the stipple patterns */
  40     if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
  41         (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
  42         ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
  43     } else {
  44         ENTER_GL();
  45
  46         /* All others state variables */
  47         switch (dwRenderStateType) {
  48             case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
  49                 IDirect3DTextureImpl *tex = (IDirect3DTextureImpl*) dwRenderState;
  50
  51                 if (tex == NULL) {
  52                     glBindTexture(GL_TEXTURE_2D, 0);
  53                     glDisable(GL_TEXTURE_2D);
  54                     TRACE("disabling texturing\n");
  55                 } else {
  56                     IDirect3DTextureGLImpl *gl_tex = (IDirect3DTextureGLImpl *) tex;
  57
  58                     glEnable(GL_TEXTURE_2D);
  59                     /* Default parameters */
  60                     glBindTexture(GL_TEXTURE_2D, gl_tex->tex_name);
  61                     /* To prevent state change, we could test here what are the parameters
  62                        stored in the texture */
  63                     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
  64                     glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
  65                     TRACE("setting OpenGL texture handle : %d\n", gl_tex->tex_name);
  66                 }
  67             } break;
  68
  69             case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
  70                 if (dwRenderState)
  71                     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
  72                 else
  73                     glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
  74                 break;
  75
  76             case D3DRENDERSTATE_ZENABLE:          /*  7 */
  77                 if (dwRenderState)
  78                     glEnable(GL_DEPTH_TEST);
  79                 else
  80                     glDisable(GL_DEPTH_TEST);
  81                 break;
  82
  83             case D3DRENDERSTATE_FILLMODE:           /*  8 */
  84                 switch ((D3DFILLMODE) dwRenderState) {
  85                     case D3DFILL_POINT:
  86                         glPolygonMode(GL_FRONT_AND_BACK,GL_POINT);
  87                         break;
  88                     case D3DFILL_WIREFRAME:
  89                         glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
  90                         break;
  91                     case D3DFILL_SOLID:
  92                         glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
  93                         break;
  94                     default:
  95                         ERR("Unhandled fill mode !\n");
  96                  }
  97                  break;
  98
  99             case D3DRENDERSTATE_SHADEMODE:          /*  9 */
 100                 switch ((D3DSHADEMODE) dwRenderState) {
 101                     case D3DSHADE_FLAT:
 102                         glShadeModel(GL_FLAT);
 103                         break;
 104                     case D3DSHADE_GOURAUD:
 105                         glShadeModel(GL_SMOOTH);
 106                         break;
 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                     case D3DFILTER_LINEAR:
 125                         rs->mag = GL_LINEAR;
 126                         break;
 127                     default:
 128                         ERR("Unhandled texture mag !\n");
 129                 }
 130                 break;
 131
 132             case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 133                 switch ((D3DTEXTUREFILTER) dwRenderState) {
 134                     case D3DFILTER_NEAREST:
 135                         rs->min = GL_NEAREST;
 136                         break;
 137                     case D3DFILTER_LINEAR:
 138                         rs->mag = GL_LINEAR;
 139                         break;
 140                     default:
 141                         ERR("Unhandled texture min !\n");
 142                 }
 143                 break;
 144
 145             case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 146                 switch ((D3DBLEND) dwRenderState) {
 147                     case D3DBLEND_SRCALPHA:
 148                           rs->src = GL_SRC_ALPHA;
 149                           break;
 150                     default:
 151                           ERR("Unhandled blend mode !\n");
 152                 }
 153                 glBlendFunc(rs->src, rs->dst);
 154                 break;
 155
 156             case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 157                 switch ((D3DBLEND) dwRenderState) {
 158                     case D3DBLEND_INVSRCALPHA:
 159                         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 160                         break;
 161                     default:
 162                         ERR("Unhandled blend mode !\n");
 163                 }
 164                 glBlendFunc(rs->src, rs->dst);
 165                 break;
 166
 167             case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 168                 switch ((D3DTEXTUREBLEND) dwRenderState) {
 169                     case D3DTBLEND_MODULATE:
 170                     case D3DTBLEND_MODULATEALPHA:
 171                           glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 172                           break;
 173                     default:
 174                           ERR("Unhandled texture environment !\n");
 175                 }
 176                 break;
 177
 178             case D3DRENDERSTATE_CULLMODE:           /* 22 */
 179                 switch ((D3DCULL) dwRenderState) {
 180                     case D3DCULL_NONE:
 181                          glDisable(GL_CULL_FACE);
 182                          break;
 183                     case D3DCULL_CW:
 184                          glEnable(GL_CULL_FACE);
 185                          glFrontFace(GL_CW);
 186                          break;
 187                     case D3DCULL_CCW:
 188                          glEnable(GL_CULL_FACE);
 189                          glFrontFace(GL_CCW);
 190                          break;
 191                     default:
 192                          ERR("Unhandled cull mode !\n");
 193                 }
 194                 break;
 195
 196             case D3DRENDERSTATE_ZFUNC:            /* 23 */
 197                 switch ((D3DCMPFUNC) dwRenderState) {
 198                     case D3DCMP_NEVER:
 199                         glDepthFunc(GL_NEVER);
 200                         break;
 201                     case D3DCMP_LESS:
 202                         glDepthFunc(GL_LESS);
 203                         break;
 204                     case D3DCMP_EQUAL:
 205                         glDepthFunc(GL_EQUAL);
 206                         break;
 207                     case D3DCMP_LESSEQUAL:
 208                         glDepthFunc(GL_LEQUAL);
 209                         break;
 210                     case D3DCMP_GREATER:
 211                         glDepthFunc(GL_GREATER);
 212                         break;
 213                     case D3DCMP_NOTEQUAL:
 214                         glDepthFunc(GL_NOTEQUAL);
 215                         break;
 216                     case D3DCMP_GREATEREQUAL:
 217                         glDepthFunc(GL_GEQUAL);
 218                         break;
 219                     case D3DCMP_ALWAYS:
 220                         glDepthFunc(GL_ALWAYS);
 221                         break;
 222                     default:
 223                         ERR("Unexpected value\n");
 224                 }
 225                 break;
 226
 227             case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 228                 if (dwRenderState)
 229                     glEnable(GL_DITHER);
 230                 else
 231                     glDisable(GL_DITHER);
 232                 break;
 233
 234             case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 235                 if (dwRenderState)
 236                     glEnable(GL_BLEND);
 237                 else
 238                     glDisable(GL_BLEND);
 239                 break;
 240
 241             case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 242                 if (dwRenderState)
 243                     glEnable(GL_BLEND);
 244                 else
 245                     glDisable(GL_BLEND);
 246                 break;
 247
 248             case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 249                 break;
 250
 251             default:
 252                 ERR("Unhandled dwRenderStateType %s !\n", _get_renderstate(dwRenderStateType));
 253         }
 254         LEAVE_GL();
 255     }
 256 }