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   1 /* Direct3D Common functions
   2    (c) 1998 Lionel ULMER
   3
   4    This file contains all MESA common code */
   5
   6 #include "config.h"
   7
   8 #include "windef.h"
   9 #include "wine/obj_base.h"
  10 #include "ddraw.h"
  11 #include "d3d.h"
  12 #include "debugtools.h"
  13
  14 #include "mesa_private.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(ddraw);
  17
  18 #define D3DTPRIVATE(x) mesa_d3dt_private *dtpriv = (mesa_d3dt_private*)(x)->private
  19
  20 void set_render_state(D3DRENDERSTATETYPE dwRenderStateType,
  21                       DWORD dwRenderState, RenderState *rs)
  22 {
  23
  24   if (TRACE_ON(ddraw))
  25     _dump_renderstate(dwRenderStateType, dwRenderState);
  26
  27   /* First, all the stipple patterns */
  28   if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) &&
  29       (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) {
  30     ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType);
  31   } else {
  32     ENTER_GL();
  33
  34     /* All others state variables */
  35     switch (dwRenderStateType) {
  36
  37     case D3DRENDERSTATE_TEXTUREHANDLE: {    /*  1 */
  38       IDirect3DTexture2Impl* tex = (IDirect3DTexture2Impl*) dwRenderState;
  39
  40       if (tex == NULL) {
  41         glBindTexture(GL_TEXTURE_2D, 0);
  42         glDisable(GL_TEXTURE_2D);
  43         TRACE("disabling texturing\n");
  44       } else {
  45         D3DTPRIVATE(tex);
  46
  47         glEnable(GL_TEXTURE_2D);
  48         /* Default parameters */
  49         glBindTexture(GL_TEXTURE_2D, dtpriv->tex_name);
  50         /* To prevent state change, we could test here what are the parameters
  51            stored in the texture */
  52         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, rs->mag);
  53         glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, rs->min);
  54         TRACE("setting OpenGL texture handle : %d\n", dtpriv->tex_name);
  55       }
  56     } break;
  57
  58     case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */
  59       if (dwRenderState)
  60         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
  61       else
  62         glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
  63       break;
  64
  65     case D3DRENDERSTATE_ZENABLE:          /*  7 */
  66       if (dwRenderState)
  67         glEnable(GL_DEPTH_TEST);
  68       else
  69         glDisable(GL_DEPTH_TEST);
  70       break;
  71
  72     case D3DRENDERSTATE_FILLMODE:           /*  8 */
  73       switch ((D3DFILLMODE) dwRenderState) {
  74       case D3DFILL_SOLID:
  75         break;
  76
  77       default:
  78         ERR("Unhandled fill mode !\n");
  79       }
  80       break;
  81
  82     case D3DRENDERSTATE_SHADEMODE:          /*  9 */
  83       switch ((D3DSHADEMODE) dwRenderState) {
  84       case D3DSHADE_FLAT:
  85         glShadeModel(GL_FLAT);
  86         break;
  87
  88       case D3DSHADE_GOURAUD:
  89         glShadeModel(GL_SMOOTH);
  90         break;
  91
  92       default:
  93         ERR("Unhandled shade mode !\n");
  94       }
  95       break;
  96
  97     case D3DRENDERSTATE_ZWRITEENABLE:     /* 14 */
  98       if (dwRenderState)
  99         glDepthMask(GL_TRUE);
 100       else
 101         glDepthMask(GL_FALSE);
 102       break;
 103
 104     case D3DRENDERSTATE_TEXTUREMAG:         /* 17 */
 105       switch ((D3DTEXTUREFILTER) dwRenderState) {
 106       case D3DFILTER_NEAREST:
 107         rs->mag = GL_NEAREST;
 108         break;
 109
 110       case D3DFILTER_LINEAR:
 111         rs->mag = GL_LINEAR;
 112         break;
 113
 114       default:
 115         ERR("Unhandled texture mag !\n");
 116       }
 117       break;
 118
 119     case D3DRENDERSTATE_TEXTUREMIN:         /* 18 */
 120       switch ((D3DTEXTUREFILTER) dwRenderState) {
 121       case D3DFILTER_NEAREST:
 122         rs->min = GL_NEAREST;
 123         break;
 124
 125       case D3DFILTER_LINEAR:
 126         rs->mag = GL_LINEAR;
 127         break;
 128
 129       default:
 130         ERR("Unhandled texture min !\n");
 131       }
 132       break;
 133
 134     case D3DRENDERSTATE_SRCBLEND:           /* 19 */
 135       switch ((D3DBLEND) dwRenderState) {
 136       case D3DBLEND_SRCALPHA:
 137         rs->src = GL_SRC_ALPHA;
 138         break;
 139
 140       default:
 141         ERR("Unhandled blend mode !\n");
 142       }
 143
 144       glBlendFunc(rs->src, rs->dst);
 145       break;
 146
 147     case D3DRENDERSTATE_DESTBLEND:          /* 20 */
 148       switch ((D3DBLEND) dwRenderState) {
 149       case D3DBLEND_INVSRCALPHA:
 150         rs->dst = GL_ONE_MINUS_SRC_ALPHA;
 151         break;
 152
 153       default:
 154         ERR("Unhandled blend mode !\n");
 155       }
 156
 157       glBlendFunc(rs->src, rs->dst);
 158       break;
 159
 160     case D3DRENDERSTATE_TEXTUREMAPBLEND:    /* 21 */
 161       switch ((D3DTEXTUREBLEND) dwRenderState) {
 162       case D3DTBLEND_MODULATE:
 163       case D3DTBLEND_MODULATEALPHA:
 164         glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
 165         break;
 166
 167       default:
 168         ERR("Unhandled texture environment !\n");
 169       }
 170       break;
 171
 172     case D3DRENDERSTATE_CULLMODE:           /* 22 */
 173       switch ((D3DCULL) dwRenderState) {
 174       case D3DCULL_NONE:
 175         glDisable(GL_CULL_FACE);
 176         break;
 177
 178       case D3DCULL_CW:
 179         glEnable(GL_CULL_FACE);
 180         glFrontFace(GL_CW);
 181         break;
 182
 183       case D3DCULL_CCW:
 184         glEnable(GL_CULL_FACE);
 185         glFrontFace(GL_CCW);
 186         break;
 187
 188       default:
 189         ERR("Unhandled cull mode !\n");
 190       }
 191       break;
 192
 193     case D3DRENDERSTATE_ZFUNC:            /* 23 */
 194       switch ((D3DCMPFUNC) dwRenderState) {
 195       case D3DCMP_NEVER:
 196         glDepthFunc(GL_NEVER);
 197         break;
 198       case D3DCMP_LESS:
 199         glDepthFunc(GL_LESS);
 200         break;
 201       case D3DCMP_EQUAL:
 202         glDepthFunc(GL_EQUAL);
 203         break;
 204       case D3DCMP_LESSEQUAL:
 205         glDepthFunc(GL_LEQUAL);
 206         break;
 207       case D3DCMP_GREATER:
 208         glDepthFunc(GL_GREATER);
 209         break;
 210       case D3DCMP_NOTEQUAL:
 211         glDepthFunc(GL_NOTEQUAL);
 212         break;
 213       case D3DCMP_GREATEREQUAL:
 214         glDepthFunc(GL_GEQUAL);
 215         break;
 216       case D3DCMP_ALWAYS:
 217         glDepthFunc(GL_ALWAYS);
 218         break;
 219
 220       default:
 221         ERR("Unexpected value\n");
 222       }
 223       break;
 224
 225     case D3DRENDERSTATE_DITHERENABLE:     /* 26 */
 226       if (dwRenderState)
 227         glEnable(GL_DITHER);
 228       else
 229         glDisable(GL_DITHER);
 230       break;
 231
 232     case D3DRENDERSTATE_ALPHABLENDENABLE:   /* 27 */
 233       if (dwRenderState)
 234         glEnable(GL_BLEND);
 235       else
 236         glDisable(GL_BLEND);
 237       break;
 238
 239     case D3DRENDERSTATE_COLORKEYENABLE:     /* 41 */
 240       if (dwRenderState)
 241         glEnable(GL_BLEND);
 242       else
 243         glDisable(GL_BLEND);
 244       break;
 245
 246     case D3DRENDERSTATE_FLUSHBATCH:         /* 50 */
 247       break;
 248
 249     default:
 250       ERR("Unhandled dwRenderStateType %d!\n",dwRenderStateType);
 251       break;
 252     }
 253
 254     LEAVE_GL();
 255   }
 256 }