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5fcd0aa58e
The buffer object is created by a 'drm' object, which encapsulates the buffer sharing and authentication mechanism. Once the buffer is created it can be attached to a surface.
127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#ifndef WAYLAND_UTIL_H
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#define WAYLAND_UTIL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <inttypes.h>
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/* GCC visibility */
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#if defined(__GNUC__) && __GNUC__ >= 4
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#define WL_EXPORT __attribute__ ((visibility("default")))
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#else
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#define WL_EXPORT
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#endif
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#define ARRAY_LENGTH(a) (sizeof (a) / sizeof (a)[0])
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#define ALIGN(n, a) ( ((n) + ((a) - 1)) & ~((a) - 1) )
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#define DIV_ROUNDUP(n, a) ( ((n) + ((a) - 1)) / (a) )
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#define container_of(ptr, type, member) ({ \
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const typeof( ((type *)0)->member ) *__mptr = (ptr); \
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(type *)( (char *)__mptr - offsetof(type,member) );})
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struct wl_argument {
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uint32_t type;
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void *data;
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};
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struct wl_message {
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const char *name;
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const char *signature;
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const void **types;
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};
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struct wl_interface {
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const char *name;
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int version;
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int method_count;
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const struct wl_message *methods;
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int event_count;
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const struct wl_message *events;
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};
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struct wl_object {
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const struct wl_interface *interface;
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void (**implementation)(void);
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uint32_t id;
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};
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struct wl_hash_table;
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struct wl_hash_table *wl_hash_table_create(void);
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void wl_hash_table_destroy(struct wl_hash_table *ht);
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void *wl_hash_table_lookup(struct wl_hash_table *ht, uint32_t hash);
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int wl_hash_table_insert(struct wl_hash_table *ht, uint32_t hash, void *data);
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void wl_hash_table_remove(struct wl_hash_table *ht, uint32_t hash);
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struct wl_list {
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struct wl_list *prev;
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struct wl_list *next;
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};
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void wl_list_init(struct wl_list *list);
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void wl_list_insert(struct wl_list *list, struct wl_list *elm);
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void wl_list_remove(struct wl_list *elm);
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int wl_list_length(struct wl_list *list);
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int wl_list_empty(struct wl_list *list);
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#define __container_of(ptr, sample, member) \
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(void *)((char *)(ptr) - \
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((char *)&(sample)->member - (char *)(sample)))
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#define wl_list_for_each(pos, head, member) \
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for (pos = __container_of((head)->next, pos, member); \
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&pos->member != (head); \
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pos = __container_of(pos->member.next, pos, member))
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#define wl_list_for_each_safe(pos, tmp, head, member) \
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for (pos = __container_of((head)->next, pos, member), \
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tmp = __container_of((pos)->member.next, tmp, member); \
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&pos->member != (head); \
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pos = tmp, \
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tmp = __container_of(pos->member.next, tmp, member))
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#define wl_list_for_each_reverse(pos, head, member) \
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for (pos = __container_of((head)->prev, pos, member); \
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&pos->member != (head); \
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pos = __container_of(pos->member.prev, pos, member))
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struct wl_array {
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uint32_t size;
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uint32_t alloc;
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void *data;
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};
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void wl_array_init(struct wl_array *array);
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void wl_array_release(struct wl_array *array);
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void *wl_array_add(struct wl_array *array, int size);
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#ifdef __cplusplus
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}
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#endif
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#endif
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