C++ (Cpp) xshmfence_reset Examples

Example #1

File: vl_winsys_dri3.c Project: ChristophHaag/mesa-mesa

static void
vl_dri3_flush_frontbuffer(struct pipe_screen *screen,
                          struct pipe_resource *resource,
                          unsigned level, unsigned layer,
                          void *context_private, struct pipe_box *sub_box)
{
   struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)context_private;
   uint32_t options = XCB_PRESENT_OPTION_NONE;
   struct vl_dri3_buffer *back;
   struct pipe_box src_box;
   xcb_xfixes_region_t region;
   xcb_rectangle_t rectangle;

   back = scrn->back_buffers[scrn->cur_back];
   if (!back)
       return;

   while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
      if (!dri3_wait_present_events(scrn))
         return;

   rectangle.x = 0;
   rectangle.y = 0;
   rectangle.width = (scrn->output_texture) ? scrn->clip_width : scrn->width;
   rectangle.height = (scrn->output_texture) ? scrn->clip_height : scrn->height;

   region = xcb_generate_id(scrn->conn);
   xcb_xfixes_create_region(scrn->conn, region, 2, &rectangle);

   if (scrn->is_different_gpu) {
      u_box_origin_2d(back->width, back->height, &src_box);
      scrn->pipe->resource_copy_region(scrn->pipe,
                                       back->linear_texture,
                                       0, 0, 0, 0,
                                       back->texture,
                                       0, &src_box);

      scrn->pipe->flush(scrn->pipe, NULL, 0);
   }
   xshmfence_reset(back->shm_fence);
   back->busy = true;

   xcb_present_pixmap(scrn->conn,
                      scrn->drawable,
                      back->pixmap,
                      (uint32_t)(++scrn->send_sbc),
                      0, region, 0, 0,
                      None, None,
                      back->sync_fence,
                      options,
                      scrn->next_msc,
                      0, 0, 0, NULL);

   xcb_flush(scrn->conn);

   return;
}

Example #2

File: wsi_common_x11.c Project: elgambitero/Mesa-3D

static VkResult
x11_present_to_x11(struct x11_swapchain *chain, uint32_t image_index,
                   uint32_t target_msc)
{
   struct x11_image *image = &chain->images[image_index];

   assert(image_index < chain->image_count);

   uint32_t options = XCB_PRESENT_OPTION_NONE;

   int64_t divisor = 0;
   int64_t remainder = 0;

   if (chain->base.present_mode == VK_PRESENT_MODE_IMMEDIATE_KHR)
      options |= XCB_PRESENT_OPTION_ASYNC;

   xshmfence_reset(image->shm_fence);

   ++chain->send_sbc;
   xcb_void_cookie_t cookie =
      xcb_present_pixmap(chain->conn,
                         chain->window,
                         image->pixmap,
                         (uint32_t) chain->send_sbc,
                         0,                                    /* valid */
                         0,                                    /* update */
                         0,                                    /* x_off */
                         0,                                    /* y_off */
                         XCB_NONE,                             /* target_crtc */
                         XCB_NONE,
                         image->sync_fence,
                         options,
                         target_msc,
                         divisor,
                         remainder, 0, NULL);
   xcb_discard_reply(chain->conn, cookie.sequence);
   image->busy = true;

   xcb_flush(chain->conn);

   return VK_SUCCESS;
}

Example #3

File: vl_winsys_dri3.c Project: BNieuwenhuizen/mesa

static void
vl_dri3_flush_frontbuffer(struct pipe_screen *screen,
                          struct pipe_resource *resource,
                          unsigned level, unsigned layer,
                          void *context_private, struct pipe_box *sub_box)
{
   struct vl_dri3_screen *scrn = (struct vl_dri3_screen *)context_private;
   uint32_t options = XCB_PRESENT_OPTION_NONE;
   struct vl_dri3_buffer *back;

   back = scrn->back_buffers[scrn->cur_back];
   if (!back)
       return;

   if (scrn->flushed) {
      while (scrn->special_event && scrn->recv_sbc < scrn->send_sbc)
         if (!dri3_wait_present_events(scrn))
            return;
   }

   xshmfence_reset(back->shm_fence);
   back->busy = true;

   xcb_present_pixmap(scrn->conn,
                      scrn->drawable,
                      back->pixmap,
                      (uint32_t)(++scrn->send_sbc),
                      0, 0, 0, 0,
                      None, None,
                      back->sync_fence,
                      options,
                      scrn->next_msc,
                      0, 0, 0, NULL);

   xcb_flush(scrn->conn);

   scrn->flushed = true;

   return;
}

Example #4

File: loader_dri3_helper.c Project: BNieuwenhuizen/mesa

static inline void
dri3_fence_reset(xcb_connection_t *c, struct loader_dri3_buffer *buffer)
{
   xshmfence_reset(buffer->shm_fence);
}