src/mesa/drivers/dri/s3v/s3v_lock.c

   1 /*
   2  * Author: Max Lingua <sunmax@libero.it>
   3  */
   4
   5 #include "s3v_context.h"
   6
   7 #if DEBUG_LOCKING
   8 char *prevLockFile = NULL;
   9 int prevLockLine = 0;
  10 #endif
  11
  12
  13 /* Update the hardware state.  This is called if another context has
  14  * grabbed the hardware lock, which includes the X server.  This
  15  * function also updates the driver's window state after the X server
  16  * moves, resizes or restacks a window -- the change will be reflected
  17  * in the drawable position and clip rects.  Since the X server grabs
  18  * the hardware lock when it changes the window state, this routine will
  19  * automatically be called after such a change.
  20  */
  21 void s3vGetLock( s3vContextPtr vmesa, GLuint flags )
  22 {
  23    __DRIdrawablePrivate *dPriv = vmesa->driDrawable;
  24 /*   __DRIscreenPrivate *sPriv = vmesa->driScreen; */
  25
  26    printf("s3vGetLock <- ***\n");
  27
  28    drmGetLock( vmesa->driFd, vmesa->hHWContext, flags );
  29
  30    /* The window might have moved, so we might need to get new clip
  31     * rects.
  32     *
  33     * NOTE: This releases and regrabs the hw lock to allow the X server
  34     * to respond to the DRI protocol request for new drawable info.
  35     * Since the hardware state depends on having the latest drawable
  36     * clip rects, all state checking must be done _after_ this call.
  37     */
  38    /* DRI_VALIDATE_DRAWABLE_INFO( vmesa->display, sPriv, dPriv ); */
  39
  40    if ( vmesa->lastStamp != dPriv->lastStamp ) {
  41       vmesa->lastStamp = dPriv->lastStamp;
  42       vmesa->new_state |= S3V_NEW_WINDOW | S3V_NEW_CLIP;
  43    }
  44
  45    vmesa->numClipRects = dPriv->numClipRects;
  46    vmesa->pClipRects = dPriv->pClipRects;
  47
  48 #if 0
  49    vmesa->dirty = ~0;
  50
  51    if ( sarea->ctxOwner != vmesa->hHWContext ) {
  52       sarea->ctxOwner = vmesa->hHWContext;
  53       vmesa->dirty = S3V_UPLOAD_ALL;
  54    }
  55
  56    for ( i = 0 ; i < vmesa->lastTexHeap ; i++ ) {
  57       if ( sarea->texAge[i] != vmesa->lastTexAge[i] ) {
  58          s3vAgeTextures( vmesa, i );
  59       }
  60    }
  61 #endif
  62 }