dlls/ddraw/mesa.c

   1 /* Direct3D Common functions
   2    (c) 1998 Lionel ULMER
   3
   4    This file contains all MESA common code */
   5
   6 #include "windef.h"
   7 #include "wine/obj_base.h"
   8 #include "ddraw.h"
   9 #include "d3d.h"
  10 #include "debugtools.h"
  11
  12 #include "mesa_private.h"
  13
  14 DEFAULT_DEBUG_CHANNEL(ddraw)
  15
  16 #define D3DTPRIVATE(x) mesa_d3dt_private *dtpriv = (mesa_d3dt_private*)(x)->private
  17
  18 void set_render_state(D3DRENDERSTATETYPE dwRenderStateType,
  19                       DWORD dwRenderState, RenderState *rs)
  20 {
  21
  22   if (TRACE_ON(ddraw))
  23     _dump_renderstate(dwRenderStateType, dwRenderState);
  24
  25   /* First, all the stipple patterns */
  26   if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
  27       (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
  28     ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
  29   } else {
  30     ENTER_GL();
  31
  32     /* All others state variables */
  33     switch (dwRenderStateType) {
  34
  35     case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
  36       IDirect3DTexture2Impl* tex = (IDirect3DTexture2Impl*) dwRenderState;
  37
  38       if (tex == NULL) {
  39         glBindTexture(GL_TEXTURE_2D, 0);
  40         glDisable(GL_TEXTURE_2D);
  41         TRACE("disabling texturing\n");
  42       } else {
  43         D3DTPRIVATE(tex);
  44
  45         glEnable(GL_TEXTURE_2D);
  46         /* Default parameters */
  47         glBindTexture(GL_TEXTURE_2D, dtpriv->tex_name);
  48         /* To prevent state change, we could test here what are the parameters
  49            stored in the texture */
  50         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
  51         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
  52         TRACE("setting OpenGL texture handle : %d\n", dtpriv->tex_name);
  53       }
  54     } break;
  55
  56     case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
  57       if (dwRenderState)
  58         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
  59       else
  60         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
  61       break;
  62
  63     case D3DRENDERSTATE_ZENABLE:          /*  7 */
  64       if (dwRenderState)
  65         glEnable(GL_DEPTH_TEST);
  66       else
  67         glDisable(GL_DEPTH_TEST);
  68       break;
  69
  70     case D3DRENDERSTATE_FILLMODE:           /*  8 */
  71       switch ((D3DFILLMODE) dwRenderState) {
  72       case D3DFILL_SOLID:
  73         break;
  74
  75       default:
  76         ERR("Unhandled fill mode !\n");
  77       }
  78       break;
  79
  80     case D3DRENDERSTATE_SHADEMODE:          /*  9 */
  81       switch ((D3DSHADEMODE) dwRenderState) {
  82       case D3DSHADE_FLAT:
  83         glShadeModel(GL_FLAT);
  84         break;
  85
  86       case D3DSHADE_GOURAUD:
  87         glShadeModel(GL_SMOOTH);
  88         break;
  89
  90       default:
  91         ERR("Unhandled shade mode !\n");
  92       }
  93       break;
  94
  95     case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
  96       if (dwRenderState)
  97         glDepthMask(GL_TRUE);
  98       else
  99         glDepthMask(GL_FALSE);
 100       break;
 101
 102     case D3DRENDERSTATE_TEXTUREMAG:         /* 17 */
 103       switch ((D3DTEXTUREFILTER) dwRenderState) {
 104       case D3DFILTER_NEAREST:
 105         rs->mag = GL_NEAREST;
 106         break;
 107
 108       case D3DFILTER_LINEAR:
 109         rs->mag = GL_LINEAR;
 110         break;
 111
 112       default:
 113         ERR("Unhandled texture mag !\n");
 114       }
 115       break;
 116
 117     case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 118       switch ((D3DTEXTUREFILTER) dwRenderState) {
 119       case D3DFILTER_NEAREST:
 120         rs->min = GL_NEAREST;
 121         break;
 122
 123       case D3DFILTER_LINEAR:
 124         rs->mag = GL_LINEAR;
 125         break;
 126
 127       default:
 128         ERR("Unhandled texture min !\n");
 129       }
 130       break;
 131
 132     case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 133       switch ((D3DBLEND) dwRenderState) {
 134       case D3DBLEND_SRCALPHA:
 135         rs->src = GL_SRC_ALPHA;
 136         break;
 137
 138       default:
 139         ERR("Unhandled blend mode !\n");
 140       }
 141
 142       glBlendFunc(rs->src, rs->dst);
 143       break;
 144
 145     case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 146       switch ((D3DBLEND) dwRenderState) {
 147       case D3DBLEND_INVSRCALPHA:
 148         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 149         break;
 150
 151       default:
 152         ERR("Unhandled blend mode !\n");
 153       }
 154
 155       glBlendFunc(rs->src, rs->dst);
 156       break;
 157
 158     case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 159       switch ((D3DTEXTUREBLEND) dwRenderState) {
 160       case D3DTBLEND_MODULATE:
 161       case D3DTBLEND_MODULATEALPHA:
 162         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 163         break;
 164
 165       default:
 166         ERR("Unhandled texture environment !\n");
 167       }
 168       break;
 169
 170     case D3DRENDERSTATE_CULLMODE:           /* 22 */
 171       switch ((D3DCULL) dwRenderState) {
 172       case D3DCULL_NONE:
 173         glDisable(GL_CULL_FACE);
 174         break;
 175
 176       case D3DCULL_CW:
 177         glEnable(GL_CULL_FACE);
 178         glFrontFace(GL_CW);
 179         break;
 180
 181       case D3DCULL_CCW:
 182         glEnable(GL_CULL_FACE);
 183         glFrontFace(GL_CCW);
 184         break;
 185
 186       default:
 187         ERR("Unhandled cull mode !\n");
 188       }
 189       break;
 190
 191     case D3DRENDERSTATE_ZFUNC:            /* 23 */
 192       switch ((D3DCMPFUNC) dwRenderState) {
 193       case D3DCMP_NEVER:
 194         glDepthFunc(GL_NEVER);
 195         break;
 196       case D3DCMP_LESS:
 197         glDepthFunc(GL_LESS);
 198         break;
 199       case D3DCMP_EQUAL:
 200         glDepthFunc(GL_EQUAL);
 201         break;
 202       case D3DCMP_LESSEQUAL:
 203         glDepthFunc(GL_LEQUAL);
 204         break;
 205       case D3DCMP_GREATER:
 206         glDepthFunc(GL_GREATER);
 207         break;
 208       case D3DCMP_NOTEQUAL:
 209         glDepthFunc(GL_NOTEQUAL);
 210         break;
 211       case D3DCMP_GREATEREQUAL:
 212         glDepthFunc(GL_GEQUAL);
 213         break;
 214       case D3DCMP_ALWAYS:
 215         glDepthFunc(GL_ALWAYS);
 216         break;
 217
 218       default:
 219         ERR("Unexpected value\n");
 220       }
 221       break;
 222
 223     case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 224       if (dwRenderState)
 225         glEnable(GL_DITHER);
 226       else
 227         glDisable(GL_DITHER);
 228       break;
 229
 230     case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 231       if (dwRenderState)
 232         glEnable(GL_BLEND);
 233       else
 234         glDisable(GL_BLEND);
 235       break;
 236
 237     case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 238       if (dwRenderState)
 239         glEnable(GL_BLEND);
 240       else
 241         glDisable(GL_BLEND);
 242       break;
 243
 244     case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 245       break;
 246
 247     default:
 248       ERR("Unhandled dwRenderStateType %d!\n",dwRenderStateType);
 249       break;
 250     }
 251
 252     LEAVE_GL();
 253   }
 254 }