diff options
Diffstat (limited to 'src/gallium/winsys/svga/drm/vmw_fence.c')
-rw-r--r-- | src/gallium/winsys/svga/drm/vmw_fence.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/src/gallium/winsys/svga/drm/vmw_fence.c b/src/gallium/winsys/svga/drm/vmw_fence.c new file mode 100644 index 00000000000..873dd51166c --- /dev/null +++ b/src/gallium/winsys/svga/drm/vmw_fence.c @@ -0,0 +1,108 @@ +/********************************************************** + * Copyright 2009 VMware, Inc. 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, sublicense, 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 above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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. + * + **********************************************************/ + + +#include "util/u_memory.h" +#include "pipebuffer/pb_buffer_fenced.h" + +#include "vmw_screen.h" +#include "vmw_fence.h" + + + +struct vmw_fence_ops +{ + struct pb_fence_ops base; + + struct vmw_winsys_screen *vws; +}; + + +static INLINE struct vmw_fence_ops * +vmw_fence_ops(struct pb_fence_ops *ops) +{ + assert(ops); + return (struct vmw_fence_ops *)ops; +} + + +static void +vmw_fence_ops_fence_reference(struct pb_fence_ops *ops, + struct pipe_fence_handle **ptr, + struct pipe_fence_handle *fence) +{ + *ptr = fence; +} + + +static int +vmw_fence_ops_fence_signalled(struct pb_fence_ops *ops, + struct pipe_fence_handle *fence, + unsigned flag) +{ + struct vmw_winsys_screen *vws = vmw_fence_ops(ops)->vws; + (void)flag; + return vmw_ioctl_fence_signalled(vws, vmw_fence(fence)); +} + + +static int +vmw_fence_ops_fence_finish(struct pb_fence_ops *ops, + struct pipe_fence_handle *fence, + unsigned flag) +{ + struct vmw_winsys_screen *vws = vmw_fence_ops(ops)->vws; + (void)flag; + return vmw_ioctl_fence_finish(vws, vmw_fence(fence)); +} + + +static void +vmw_fence_ops_destroy(struct pb_fence_ops *ops) +{ + FREE(ops); +} + + +struct pb_fence_ops * +vmw_fence_ops_create(struct vmw_winsys_screen *vws) +{ + struct vmw_fence_ops *ops; + + ops = CALLOC_STRUCT(vmw_fence_ops); + if(!ops) + return NULL; + + ops->base.destroy = &vmw_fence_ops_destroy; + ops->base.fence_reference = &vmw_fence_ops_fence_reference; + ops->base.fence_signalled = &vmw_fence_ops_fence_signalled; + ops->base.fence_finish = &vmw_fence_ops_fence_finish; + + ops->vws = vws; + + return &ops->base; +} + + |