From 23f01c9fe8e6170459fe46ad5fc9757bbe967d96 Mon Sep 17 00:00:00 2001 From: Thomas Hellstrom Date: Tue, 29 Aug 2006 18:40:08 +0200 Subject: Checkpoint commit. Buffer object flags and IOCTL argument list. --- libdrm/xf86mm.h | 105 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 libdrm/xf86mm.h (limited to 'libdrm/xf86mm.h') diff --git a/libdrm/xf86mm.h b/libdrm/xf86mm.h new file mode 100644 index 00000000..5fb78723 --- /dev/null +++ b/libdrm/xf86mm.h @@ -0,0 +1,105 @@ +/************************************************************************** + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA. + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ + +#ifndef _XF86MM_H_ +#define _XF86MM_H_ +#include + + +/* + * List macros heavily inspired by the Linux kernel + * list handling. No list looping yet. + */ + +typedef struct _drmMMListHead +{ + struct _drmMMListHead *prev; + struct _drmMMListHead *next; +} DrmMMListHead; + +#define DRMINITLISTHEAD(__item) \ + do{ \ + (__item)->prev = (__item); \ + (__item)->next = (__item); \ + } while (0) + +#define DRMLISTADD(__item, __list) \ + do { \ + (__item)->prev = (__list); \ + (__item)->next = (__list)->next; \ + (__list)->next->prev = (__item); \ + (__list)->next = (__item); \ + } while (0) + +#define DRMLISTADDTAIL(__item, __list) \ + do { \ + (__item)->next = (__list); \ + (__item)->prev = (__list)->prev; \ + (__list)->prev->next = (__item); \ + (__list)->prev = (__item); \ + } while(0) + +#define DRMLISTDEL(__item) \ + do { \ + (__item)->prev->next = (__item)->next; \ + (__item)->next->prev = (__item)->prev; \ + } while(0) + +#define DRMLISTDELINIT(__item) \ + do { \ + (__item)->prev->next = (__item)->next; \ + (__item)->next->prev = (__item)->prev; \ + (__item)->next = (__item); \ + (__item)->prev = (__item); \ + } while(0) + +#define DRMLISTENTRY(__type, __item, __field) \ + ((__type *)(((char *) (__item)) - offsetof(__type, __field))) + + +typedef struct _DrmBuf{ + unsigned handle; +} DrmBuf; + + +typedef struct _DrmBufNode { + DrmMMListHead head; + DrmBuf *buf; + drm_bo_arg_t bo_arg; +} DrmBufNode; + +typedef struct _DrmMMBufList { + unsigned numTarget; + unsigned numCurrent; + unsigned numOnList; + DrmMMListHead list; + DrmMMListHead free; +} DrmBufList; + + +#endif -- cgit v1.2.3