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