src/mesa/drivers/dri/s3v/s3v_screen.c

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 #include "s3v_context.h"
   6 #include "s3v_vb.h"
   7 #include "s3v_dri.h"
   8
   9 s3vScreenPtr s3vCreateScreen( __DRIscreenPrivate *sPriv )
  10 {
  11    s3vScreenPtr s3vScreen;
  12    S3VDRIPtr vDRIPriv = (S3VDRIPtr)sPriv->pDevPriv;
  13
  14 /*   int i; */
  15
  16    DEBUG(("s3vCreateScreen\n"));
  17    DEBUG(("sPriv->pDevPriv at %p\n", sPriv->pDevPriv));
  18    DEBUG(("size = %i\n", sizeof(*vDRIPriv)));
  19
  20    if (sPriv->devPrivSize != sizeof(S3VDRIRec)) {
  21       fprintf(stderr,"\nERROR!  sizeof(S3VDRIRec) does not match passed size from device driver\n");
  22       return GL_FALSE;
  23    }
  24
  25    /* Allocate the private area */
  26    s3vScreen = (s3vScreenPtr) CALLOC( sizeof(*s3vScreen) );
  27    if ( !s3vScreen ) return NULL;
  28
  29    s3vScreen->regionCount  = 4; /* Magic number.  Can we fix this? */
  30
  31    s3vScreen->regions = _mesa_malloc(s3vScreen->regionCount *
  32                                                         sizeof(s3vRegion));
  33    DEBUG(("sPriv->fd = %i\nvDRIPriv->dmaBufHandle = %x\n",
  34       sPriv->fd, vDRIPriv->dmaBufHandle));
  35
  36    DEBUG(("vDRIPriv->dmaBufSize=%i\nvDRIPriv->dmaBuf=%p\n",
  37       vDRIPriv->dmaBufSize, vDRIPriv->dmaBuf));
  38
  39
  40    /* Get the list of dma buffers */
  41    s3vScreen->bufs = drmMapBufs(sPriv->fd);
  42
  43    if (!s3vScreen->bufs) {
  44       DEBUG(("Helter/skelter with drmMapBufs\n"));
  45       return GL_FALSE;
  46    }
  47
  48    s3vScreen->textureSize                   = vDRIPriv->texSize;
  49    s3vScreen->logTextureGranularity = vDRIPriv->logTextureGranularity;
  50    s3vScreen->cpp                                       = vDRIPriv->cpp;
  51    s3vScreen->frontOffset                       = vDRIPriv->frontOffset;
  52    s3vScreen->frontPitch                        = vDRIPriv->frontPitch;
  53    s3vScreen->backOffset                        = vDRIPriv->backOffset;
  54    s3vScreen->backPitch                         = vDRIPriv->frontPitch; /* FIXME: check */
  55    s3vScreen->depthOffset                       = vDRIPriv->depthOffset;
  56    s3vScreen->depthPitch                        = vDRIPriv->frontPitch;
  57    s3vScreen->texOffset                         = vDRIPriv->texOffset;
  58
  59    s3vScreen->driScreen = sPriv;
  60
  61    DEBUG(("vDRIPriv->width =%i; vDRIPriv->deviceID =%x\n", vDRIPriv->width,
  62                   vDRIPriv->deviceID));
  63    DEBUG(("vDRIPriv->mem =%i\n", vDRIPriv->mem));
  64    DEBUG(("vDRIPriv->fbOffset =%i\n", vDRIPriv->fbOffset));
  65    DEBUG((" ps3vDRI->fbStride =%i\n", vDRIPriv->fbStride));
  66    DEBUG(("s3vScreen->cpp = %i\n", s3vScreen->cpp));
  67    DEBUG(("s3vScreen->backOffset = %x\n", s3vScreen->backOffset));
  68    DEBUG(("s3vScreen->depthOffset = %x\n", s3vScreen->depthOffset));
  69    DEBUG(("s3vScreen->texOffset = %x\n", s3vScreen->texOffset));
  70    DEBUG(("I will return from s3vCreateScreen now\n"));
  71
  72    DEBUG(("s3vScreen->bufs = 0x%x\n", s3vScreen->bufs));
  73    return s3vScreen;
  74 }
  75
  76 /* Destroy the device specific screen private data struct.
  77  */
  78 void s3vDestroyScreen( __DRIscreenPrivate *sPriv )
  79 {
  80     s3vScreenPtr s3vScreen = (s3vScreenPtr)sPriv->private;
  81
  82     DEBUG(("s3vDestroyScreen\n"));
  83
  84     /* First, unmap the dma buffers */
  85 /*
  86     drmUnmapBufs( s3vScreen->bufs );
  87 */
  88     /* Next, unmap all the regions */
  89 /*    while (s3vScreen->regionCount > 0) {
  90
  91         (void)drmUnmap(s3vScreen->regions[s3vScreen->regionCount].map,
  92                        s3vScreen->regions[s3vScreen->regionCount].size);
  93         s3vScreen->regionCount--;
  94
  95     }
  96     FREE(s3vScreen->regions); */
  97         if (s3vScreen)
  98             FREE(s3vScreen);
  99 }