src/gallium/winsys/g3dvl/nouveau/nouveau_swapbuffers.c

   1 #include "pipe/p_context.h"
   2 #include "nouveau_context.h"
   3 #include "nouveau_local.h"
   4 #include "nouveau_screen.h"
   5 #include "nouveau_swapbuffers.h"
   6
   7 void
   8 nouveau_copy_buffer(dri_drawable_t *dri_drawable, struct pipe_surface *surf,
   9                     const drm_clip_rect_t *rect)
  10 {
  11         struct nouveau_context  *nv = dri_drawable->private;
  12         drm_clip_rect_t         *pbox;
  13         int                     nbox, i;
  14
  15         LOCK_HARDWARE(nv);
  16         if (!dri_drawable->num_cliprects) {
  17                 UNLOCK_HARDWARE(nv);
  18                 return;
  19         }
  20         pbox = dri_drawable->cliprects;
  21         nbox = dri_drawable->num_cliprects;
  22
  23         nv->surface_copy_prep(nv, nv->frontbuffer, surf);
  24         for (i = 0; i < nbox; i++, pbox++) {
  25                 int sx, sy, dx, dy, w, h;
  26
  27                 sx = pbox->x1 - dri_drawable->x;
  28                 sy = pbox->y1 - dri_drawable->y;
  29                 dx = pbox->x1;
  30                 dy = pbox->y1;
  31                 w  = pbox->x2 - pbox->x1;
  32                 h  = pbox->y2 - pbox->y1;
  33
  34                 nv->surface_copy(nv, dx, dy, sx, sy, w, h);
  35         }
  36
  37         FIRE_RING(nv->nvc->channel);
  38         UNLOCK_HARDWARE(nv);
  39
  40         //if (nv->last_stamp != dri_drawable->last_sarea_stamp)
  41                 //nv->last_stamp = dri_drawable->last_sarea_stamp;
  42 }
  43
  44 void
  45 nouveau_copy_sub_buffer(dri_drawable_t *dri_drawable, struct pipe_surface *surf, int x, int y, int w, int h)
  46 {
  47         if (surf) {
  48                 drm_clip_rect_t rect;
  49                 rect.x1 = x;
  50                 rect.y1 = y;
  51                 rect.x2 = x + w;
  52                 rect.y2 = y + h;
  53
  54                 nouveau_copy_buffer(dri_drawable, surf, &rect);
  55         }
  56 }
  57
  58 void
  59 nouveau_swap_buffers(dri_drawable_t *dri_drawable, struct pipe_surface *surf)
  60 {
  61         if (surf)
  62                 nouveau_copy_buffer(dri_drawable, surf, NULL);
  63 }
  64