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Diffstat (limited to 'bsd-core/drm_drawable.c')
-rw-r--r--bsd-core/drm_drawable.c113
1 files changed, 105 insertions, 8 deletions
diff --git a/bsd-core/drm_drawable.c b/bsd-core/drm_drawable.c
index 379e0aa7..7e038ab9 100644
--- a/bsd-core/drm_drawable.c
+++ b/bsd-core/drm_drawable.c
@@ -33,19 +33,116 @@
#include "drmP.h"
-int drm_adddraw(DRM_IOCTL_ARGS)
+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(drm_device_t *dev, int handle)
{
- drm_draw_t draw;
+ struct bsd_drm_drawable_info find, *result;
+
+ find.handle = handle;
+ result = RB_FIND(drawable_tree, &dev->drw_head, &find);
- draw.handle = 0; /* NOOP */
- DRM_DEBUG("%d\n", draw.handle);
-
- DRM_COPY_TO_USER_IOCTL( (drm_draw_t *)data, draw, sizeof(draw) );
+ return &result->info;
+}
+
+int drm_adddraw(drm_device_t *dev, void *data, struct drm_file *file_priv)
+{
+ drm_draw_t *draw = data;
+ struct bsd_drm_drawable_info *info;
+
+ info = drm_calloc(1, sizeof(struct bsd_drm_drawable_info),
+ DRM_MEM_DRAWABLE);
+ 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(DRM_IOCTL_ARGS)
+int drm_rmdraw(drm_device_t *dev, void *data, struct drm_file *file_priv)
{
- return 0; /* NOOP */
+ 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);
+ free_unr(dev->drw_unrhdr, draw->handle);
+ drm_free(info, sizeof(struct bsd_drm_drawable_info),
+ DRM_MEM_DRAWABLE);
+ return 0;
+ } else {
+ DRM_SPINUNLOCK(&dev->drw_lock);
+ return EINVAL;
+ }
+}
+
+int drm_update_draw(drm_device_t *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)
+ 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;
+ }
}