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

   1 #include <driclient.h>
   2 #include <common/nouveau_local.h>
   3 #include <common/nouveau_screen.h>
   4 #include "nouveau_context_vl.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_vl       *nv = dri_drawable->private;
  12         struct pipe_context             *pipe = nv->base.nvc->pctx[nv->base.pctx_id];
  13         drm_clip_rect_t                 *pbox;
  14         int                             nbox, i;
  15
  16         LOCK_HARDWARE(&nv->base);
  17         if (!dri_drawable->num_cliprects) {
  18                 UNLOCK_HARDWARE(&nv->base);
  19                 return;
  20         }
  21         pbox = dri_drawable->cliprects;
  22         nbox = dri_drawable->num_cliprects;
  23
  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                 pipe->surface_copy(pipe, nv->base.frontbuffer,
  35                                    dx, dy, surf, sx, sy, w, h);
  36         }
  37
  38         FIRE_RING(nv->base.nvc->channel);
  39         UNLOCK_HARDWARE(&nv->base);
  40 }
  41
  42 void
  43 nouveau_copy_sub_buffer(dri_drawable_t *dri_drawable, struct pipe_surface *surf, int x, int y, int w, int h)
  44 {
  45         if (surf) {
  46                 drm_clip_rect_t rect;
  47                 rect.x1 = x;
  48                 rect.y1 = y;
  49                 rect.x2 = x + w;
  50                 rect.y2 = y + h;
  51
  52                 nouveau_copy_buffer(dri_drawable, surf, &rect);
  53         }
  54 }
  55
  56 void
  57 nouveau_swap_buffers(dri_drawable_t *dri_drawable, struct pipe_surface *surf)
  58 {
  59         if (surf)
  60                 nouveau_copy_buffer(dri_drawable, surf, NULL);
  61 }
  62
  63 void
  64 nouveau_flush_frontbuffer(struct pipe_winsys *pws, struct pipe_surface *surf,
  65                           void *context_private)
  66 {
  67         struct nouveau_context_vl       *nv;
  68         dri_drawable_t                  *dri_drawable;
  69
  70         assert(pws);
  71         assert(surf);
  72         assert(context_private);
  73
  74         nv = context_private;
  75         dri_drawable = nv->dri_drawable;
  76
  77         nouveau_copy_buffer(dri_drawable, surf, NULL);
  78 }
  79
  80 void
  81 nouveau_contended_lock(struct nouveau_context *nv)
  82 {
  83         struct nouveau_context_vl       *nv_vl = (struct nouveau_context_vl*)nv;
  84         dri_drawable_t                  *dri_drawable = nv_vl->dri_drawable;
  85         dri_screen_t                    *dri_screen = nv_vl->dri_context->dri_screen;
  86
  87         /* If the window moved, may need to set a new cliprect now.
  88          *
  89          * NOTE: This releases and regains the hw lock, so all state
  90          * checking must be done *after* this call:
  91          */
  92         if (dri_drawable)
  93                 DRI_VALIDATE_DRAWABLE_INFO(dri_screen, dri_drawable);
  94 }