src/mesa/drivers/dri/s3v/s3v_inithw.c

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 #include <sys/ioctl.h>
   6
   7 #include "s3v_context.h"
   8
   9 void s3vInitHW( s3vContextPtr vmesa )
  10 {
  11         int i;
  12         static short _reset = 1;
  13
  14         DEBUG(("vmesa->driDrawable = %p\n", vmesa->driDrawable));
  15         DEBUG(("stride = %i\n",
  16                 vmesa->driScreen->fbWidth*vmesa->s3vScreen->cpp));
  17         DEBUG(("frontOffset = 0x%x\n", vmesa->s3vScreen->frontOffset));
  18         DEBUG(("backOffset = 0x%x\n", vmesa->s3vScreen->backOffset));
  19         DEBUG(("depthOffset = 0x%x\n", vmesa->s3vScreen->depthOffset));
  20         DEBUG(("textureOffset = 0x%x\n", vmesa->s3vScreen->texOffset));
  21
  22 /*      if (_reset) { */
  23 /*      ioctl(vmesa->driFd, 0x4a); */
  24                 ioctl(vmesa->driFd, 0x41); /* reset */
  25                 _reset = 0;
  26 /*      ioctl(vmesa->driFd, 0x4c); */
  27 /*      } */
  28
  29         /* FIXME */
  30         switch (vmesa->s3vScreen->cpp) {
  31                 case 2:
  32                         break;
  33                 case 4:
  34                         break;
  35         }
  36
  37         /* FIXME for stencil, gid, etc */
  38         switch (vmesa->DepthSize) {
  39                 case 15:
  40                 case 16:
  41                         break;
  42                 case 24:
  43                         break;
  44                 case 32:
  45                         break;
  46         }
  47
  48         vmesa->FogMode = 1;
  49         vmesa->ClearDepth = 0xffff;
  50         vmesa->x = 0;
  51         vmesa->y = 0;
  52         vmesa->w = 0;
  53         vmesa->h = 0;
  54         vmesa->FrameCount = 0;
  55         vmesa->MatrixMode = GL_MODELVIEW;
  56         vmesa->ModelViewCount = 0;
  57         vmesa->ProjCount = 0;
  58         vmesa->TextureCount = 0;
  59
  60
  61         /* FIXME: do we need the following? */
  62
  63         for (i = 0; i < 16; i++)
  64                 if (i % 5 == 0)
  65                         vmesa->ModelView[i] =
  66                         vmesa->Proj[i] =
  67                         vmesa->ModelViewProj[i] =
  68                         vmesa->Texture[i] = 1.0;
  69                 else
  70                         vmesa->ModelView[i] =
  71                         vmesa->Proj[i] =
  72                         vmesa->ModelViewProj[i] =
  73                         vmesa->Texture[i] = 0.0;
  74
  75         vmesa->LBWindowBase = vmesa->driScreen->fbWidth *
  76                                 (vmesa->driScreen->fbHeight - 1);
  77         vmesa->FBWindowBase = vmesa->driScreen->fbWidth *
  78                                 (vmesa->driScreen->fbHeight - 1);
  79 }