C++ (Cpp) gbm_bo_set_user_data Examples

Example #1

File: DRMUtils.cpp Project: ssfdre38/xbmc

drm_fb * CDRMUtils::DrmFbGetFromBo(struct gbm_bo *bo)
{
  {
    struct drm_fb *fb = static_cast<drm_fb *>(gbm_bo_get_user_data(bo));
    if(fb)
    {
      return fb;
    }
  }

  struct drm_fb *fb = new drm_fb;
  fb->bo = bo;

  uint32_t width,
           height,
           handles[4] = {0},
           strides[4] = {0},
           offsets[4] = {0};

  width = gbm_bo_get_width(bo);
  height = gbm_bo_get_height(bo);

  handles[0] = gbm_bo_get_handle(bo).u32;
  strides[0] = gbm_bo_get_stride(bo);
  memset(offsets, 0, 16);

  auto ret = drmModeAddFB2(m_fd,
                           width,
                           height,
                           m_primary_plane->format,
                           handles,
                           strides,
                           offsets,
                           &fb->fb_id,
                           0);

  if(ret)
  {
    delete (fb);
    CLog::Log(LOGDEBUG, "CDRMUtils::%s - failed to add framebuffer", __FUNCTION__);
    return nullptr;
  }

  gbm_bo_set_user_data(bo, fb, DrmFbDestroyCallback);

  return fb;
}

Example #2

File: context_drm_egl.c Project: qyot27/mpv

static void update_framebuffer_from_bo(
    const struct MPGLContext *ctx, struct gbm_bo *bo)
{
    struct priv *p = ctx->priv;
    p->fb.bo = bo;
    p->fb.fd = p->kms->fd;
    p->fb.width = gbm_bo_get_width(bo);
    p->fb.height = gbm_bo_get_height(bo);
    int stride = gbm_bo_get_stride(bo);
    int handle = gbm_bo_get_handle(bo).u32;

    int ret = drmModeAddFB(p->kms->fd, p->fb.width, p->fb.height,
                           24, 32, stride, handle, &p->fb.id);
    if (ret) {
        MP_ERR(ctx->vo, "Failed to create framebuffer: %s\n", mp_strerror(errno));
    }
    gbm_bo_set_user_data(bo, &p->fb, framebuffer_destroy_callback);
}