src/gallium/winsys/radeon/drm/radeon_drm_bo.h

   1 /*
   2  * Copyright © 2008 Jérôme Glisse
   3  * Copyright © 2011 Marek Olšák <maraeo@gmail.com>
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  15  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  16  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  17  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  18  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  21  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  * The above copyright notice and this permission notice (including the
  24  * next paragraph) shall be included in all copies or substantial portions
  25  * of the Software.
  26  */
  27 /*
  28  * Authors:
  29  *      Jérôme Glisse <glisse@freedesktop.org>
  30  *      Marek Olšák <maraeo@gmail.com>
  31  */
  32 #ifndef RADEON_DRM_BO_H
  33 #define RADEON_DRM_BO_H
  34
  35 #include "radeon_drm_winsys.h"
  36 #include "pipebuffer/pb_bufmgr.h"
  37 #include "os/os_thread.h"
  38
  39 #define RADEON_PB_USAGE_DOMAIN_GTT  (1 << 29)
  40 #define RADEON_PB_USAGE_DOMAIN_VRAM (1 << 30)
  41
  42 struct radeon_bomgr;
  43
  44 struct radeon_bo {
  45     struct pb_buffer base;
  46     struct radeon_bomgr *mgr;
  47     struct radeon_drm_winsys *rws;
  48
  49     void *ptr;
  50     pipe_mutex map_mutex;
  51
  52     uint32_t size;
  53     uint32_t handle;
  54     uint32_t name;
  55
  56     /* how many command streams is this bo referenced in? */
  57     int num_cs_references;
  58
  59     /* how many command streams, which are being emitted in a separate
  60      * thread, is this bo referenced in? */
  61     int num_active_ioctls;
  62
  63     /* Whether the buffer has been relocated for write and is busy since then.
  64      * This field is updated in:
  65      * - radeon_drm_cs_flush (to TRUE if it's relocated for write)
  66      * - radeon_bo_is_busy (to FALSE if it's not busy)
  67      * - radeon_bo_wait (to FALSE) */
  68     boolean busy_for_write;
  69
  70     boolean flinked;
  71     uint32_t flink;
  72 };
  73
  74 struct pb_manager *radeon_bomgr_create(struct radeon_drm_winsys *rws);
  75 void radeon_bomgr_init_functions(struct radeon_drm_winsys *ws);
  76
  77 static INLINE
  78 void radeon_bo_reference(struct radeon_bo **dst, struct radeon_bo *src)
  79 {
  80     pb_reference((struct pb_buffer**)dst, (struct pb_buffer*)src);
  81 }
  82
  83 static INLINE struct pb_buffer *
  84 pb_buffer(struct pb_buffer *buffer)
  85 {
  86     return (struct pb_buffer *)buffer;
  87 }
  88
  89 #endif