src/gallium/winsys/drm/vmware/core/vmw_fence.c

   1 /**********************************************************
   2  * Copyright 2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use, copy,
   8  * modify, merge, publish, distribute, sublicense, and/or sell copies
   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  19  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  21  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26
  27 #include "util/u_memory.h"
  28 #include "pipebuffer/pb_buffer_fenced.h"
  29
  30 #include "vmw_screen.h"
  31 #include "vmw_fence.h"
  32
  33
  34
  35 struct vmw_fence_ops
  36 {
  37    struct pb_fence_ops base;
  38
  39    struct vmw_winsys_screen *vws;
  40 };
  41
  42
  43 static INLINE struct vmw_fence_ops *
  44 vmw_fence_ops(struct pb_fence_ops *ops)
  45 {
  46    assert(ops);
  47    return (struct vmw_fence_ops *)ops;
  48 }
  49
  50
  51 static void
  52 vmw_fence_ops_fence_reference(struct pb_fence_ops *ops,
  53                               struct pipe_fence_handle **ptr,
  54                               struct pipe_fence_handle *fence)
  55 {
  56    *ptr = fence;
  57 }
  58
  59
  60 static int
  61 vmw_fence_ops_fence_signalled(struct pb_fence_ops *ops,
  62                               struct pipe_fence_handle *fence,
  63                               unsigned flag)
  64 {
  65    struct vmw_winsys_screen *vws = vmw_fence_ops(ops)->vws;
  66    (void)flag;
  67    return vmw_ioctl_fence_signalled(vws, vmw_fence(fence));
  68 }
  69
  70
  71 static int
  72 vmw_fence_ops_fence_finish(struct pb_fence_ops *ops,
  73                            struct pipe_fence_handle *fence,
  74                            unsigned flag)
  75 {
  76    struct vmw_winsys_screen *vws = vmw_fence_ops(ops)->vws;
  77    (void)flag;
  78    return vmw_ioctl_fence_finish(vws, vmw_fence(fence));
  79 }
  80
  81
  82 static void
  83 vmw_fence_ops_destroy(struct pb_fence_ops *ops)
  84 {
  85    FREE(ops);
  86 }
  87
  88
  89 struct pb_fence_ops *
  90 vmw_fence_ops_create(struct vmw_winsys_screen *vws)
  91 {
  92    struct vmw_fence_ops *ops;
  93
  94    ops = CALLOC_STRUCT(vmw_fence_ops);
  95    if(!ops)
  96       return NULL;
  97
  98    ops->base.destroy = &vmw_fence_ops_destroy;
  99    ops->base.fence_reference = &vmw_fence_ops_fence_reference;
 100    ops->base.fence_signalled = &vmw_fence_ops_fence_signalled;
 101    ops->base.fence_finish = &vmw_fence_ops_fence_finish;
 102
 103    ops->vws = vws;
 104
 105    return &ops->base;
 106 }
 107
 108