diff options
Diffstat (limited to 'bsd-core/drm_drawable.c')
| -rw-r--r-- | bsd-core/drm_drawable.c | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/bsd-core/drm_drawable.c b/bsd-core/drm_drawable.c deleted file mode 100644 index 2ae11dbb..00000000 --- a/bsd-core/drm_drawable.c +++ /dev/null @@ -1,170 +0,0 @@ -/*- - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. - * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: - * Rickard E. (Rik) Faith <faith@valinux.com> - * Gareth Hughes <gareth@valinux.com> - * - */ - -/** @file drm_drawable.c - * This file implements ioctls to store information along with DRM drawables, - * such as the current set of cliprects for vblank-synced buffer swaps. - */ - -#include "drmP.h" - -struct bsd_drm_drawable_info { - struct drm_drawable_info info; - int handle; - RB_ENTRY(bsd_drm_drawable_info) tree; -}; - -static int -drm_drawable_compare(struct bsd_drm_drawable_info *a, - struct bsd_drm_drawable_info *b) -{ - if (a->handle > b->handle) - return 1; - if (a->handle < b->handle) - return -1; - return 0; -} - -RB_GENERATE_STATIC(drawable_tree, bsd_drm_drawable_info, tree, - drm_drawable_compare); - -struct drm_drawable_info * -drm_get_drawable_info(struct drm_device *dev, int handle) -{ - struct bsd_drm_drawable_info find, *result; - - find.handle = handle; - result = RB_FIND(drawable_tree, &dev->drw_head, &find); - - return &result->info; -} - -int drm_adddraw(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - struct drm_draw *draw = data; - struct bsd_drm_drawable_info *info; - - info = malloc(sizeof(struct bsd_drm_drawable_info), DRM_MEM_DRAWABLE, - M_NOWAIT | M_ZERO); - if (info == NULL) - return ENOMEM; - - info->handle = alloc_unr(dev->drw_unrhdr); - DRM_SPINLOCK(&dev->drw_lock); - RB_INSERT(drawable_tree, &dev->drw_head, info); - draw->handle = info->handle; - DRM_SPINUNLOCK(&dev->drw_lock); - - DRM_DEBUG("%d\n", draw->handle); - - return 0; -} - -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; - } -} - -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) { - free(info->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 = malloc(sizeof(*info->rects) * - update->num, DRM_MEM_DRAWABLE, M_NOWAIT); - 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; - } -} - -void drm_drawable_free_all(struct drm_device *dev) -{ - struct bsd_drm_drawable_info *info, *next; - - DRM_SPINLOCK(&dev->drw_lock); - for (info = RB_MIN(drawable_tree, &dev->drw_head); - info != NULL ; info = next) { - next = RB_NEXT(drawable_tree, &dev->drw_head, info); - RB_REMOVE(drawable_tree, &dev->drw_head, - (struct bsd_drm_drawable_info *)info); - DRM_SPINUNLOCK(&dev->drw_lock); - free_unr(dev->drw_unrhdr, info->handle); - free(info->info.rects, DRM_MEM_DRAWABLE); - free(info, DRM_MEM_DRAWABLE); - DRM_SPINLOCK(&dev->drw_lock); - } - DRM_SPINUNLOCK(&dev->drw_lock); -} |