C++ (Cpp) drm_get_drawable_infoの例

コード例 #1

ファイル: drm_drawable.c プロジェクト: 274914765/C

/**
 * Free drawable ID and memory to store information about it.
 */
int drm_rmdraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
    struct drm_draw *draw = data;
    unsigned long irqflags;

    spin_lock_irqsave(&dev->drw_lock, irqflags);

    drm_free(drm_get_drawable_info(dev, draw->handle),
         sizeof(struct drm_drawable_info), DRM_MEM_BUFS);

    idr_remove(&dev->drw_idr, draw->handle);

    spin_unlock_irqrestore(&dev->drw_lock, irqflags);
    DRM_DEBUG("%d\n", draw->handle);
    return 0;
}

コード例 #2

int drm_update_draw(struct drm_device *dev, void *data,
		    struct drm_file *file_priv)
{
	struct drm_drawable_info *info;
	struct drm_update_draw *update = (struct drm_update_draw *)data;
	int ret;

	info = drm_get_drawable_info(dev, update->handle);
	if (info == NULL)
		return EINVAL;

	switch (update->type) {
	case DRM_DRAWABLE_CLIPRECTS:
		DRM_SPINLOCK(&dev->drw_lock);
		if (update->num != info->num_rects) {
			drm_free(info->rects,
			    sizeof(*info->rects) * info->num_rects,
			    DRM_MEM_DRAWABLE);
			info->rects = NULL;
			info->num_rects = 0;
		}
		if (update->num == 0) {
			DRM_SPINUNLOCK(&dev->drw_lock);
			return 0;
		}
		if (info->rects == NULL) {
			info->rects = drm_alloc(sizeof(*info->rects) *
			    update->num, DRM_MEM_DRAWABLE);
			if (info->rects == NULL) {
				DRM_SPINUNLOCK(&dev->drw_lock);
				return ENOMEM;
			}
			info->num_rects = update->num;
		}
		/* For some reason the pointer arg is unsigned long long. */
		ret = copyin((void *)(intptr_t)update->data, info->rects,
		    sizeof(*info->rects) * info->num_rects);
		DRM_SPINUNLOCK(&dev->drw_lock);
		return ret;
	default:
		return EINVAL;
	}
}

コード例 #3

ファイル: drm_drawable.c プロジェクト: edgar-pek/PerspicuOS

int drm_rmdraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	struct drm_draw *draw = (struct drm_draw *)data;
	struct drm_drawable_info *info;

	DRM_SPINLOCK(&dev->drw_lock);
	info = drm_get_drawable_info(dev, draw->handle);
	if (info != NULL) {
		RB_REMOVE(drawable_tree, &dev->drw_head,
		    (struct bsd_drm_drawable_info *)info);
		DRM_SPINUNLOCK(&dev->drw_lock);
		free_unr(dev->drw_unrhdr, draw->handle);
		free(info->rects, DRM_MEM_DRAWABLE);
		free(info, DRM_MEM_DRAWABLE);
		return 0;
	} else {
		DRM_SPINUNLOCK(&dev->drw_lock);
		return EINVAL;
	}
}

コード例 #4

int drm_rmdraw(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
	drm_draw_t *draw = (drm_draw_t *)data;
	struct drm_drawable_info *info;

	DRM_SPINLOCK(&dev->drw_lock);
	info = drm_get_drawable_info(dev, draw->handle);
	if (info != NULL) {
		RB_REMOVE(drawable_tree, &dev->drw_head,
		    (struct bsd_drm_drawable_info *)info);
		DRM_SPINUNLOCK(&dev->drw_lock);
#ifdef __FreeBSD__
		free_unr(dev->drw_unrhdr, draw->handle);
#endif
		drm_free(info, sizeof(struct bsd_drm_drawable_info),
		    DRM_MEM_DRAWABLE);
		return 0;
	} else {
		DRM_SPINUNLOCK(&dev->drw_lock);
		return EINVAL;
	}
}