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winsys/svga/drm: Create winsys interface for Fence FD

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The new interfaces will be used to enable
EGL_ANDROID_native_fence_sync.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Charmaine Lee <charmainel@vmware.com>
This commit is contained in:
Sinclair Yeh 2017-07-17 10:03:48 -06:00 • committed by Brian Paul
parent 2431cccad1
commit 4da543e30a
1 changed files with 33 additions and 1 deletions
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34
src/gallium/drivers/svga/svga_winsys.h
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@ -86,7 +86,8 @@ struct winsys_handle;
#define SVGA_QUERY_FLAG_SET (1 << 0)
#define SVGA_QUERY_FLAG_REF (1 << 1)
#define SVGA_HINT_FLAG_CAN_PRE_FLUSH (1 << 0) /* Can preemptively flush */
#define SVGA_HINT_FLAG_CAN_PRE_FLUSH (1 << 0) /* Can preemptively flush */
#define SVGA_HINT_FLAG_EXPORT_FENCE_FD (1 << 1) /* Export a Fence FD */
/**
* SVGA mks statistics info
@ -373,6 +374,11 @@ struct svga_winsys_context
*/
uint32 hints;
/**
* File descriptor for imported fence
*/
int32 imported_fence_fd;
/**
** BEGIN new functions for guest-backed surfaces.
**/
@ -635,6 +641,31 @@ struct svga_winsys_screen
uint64_t timeout,
unsigned flag );
/**
* Get the file descriptor associated with the fence
* \param duplicate duplicate the fd before returning it
* \return zero on success.
*/
int (*fence_get_fd)( struct svga_winsys_screen *sws,
struct pipe_fence_handle *fence,
boolean duplicate );
/**
* Create a fence using the given file descriptor
* \return zero on success.
*/
void (*fence_create_fd)( struct svga_winsys_screen *sws,
struct pipe_fence_handle **fence,
int32_t fd );
/**
* Accumulates fence FD from other devices into the current context
* \param context_fd FD the context will be waiting on
* \return zero on success
*/
int (*fence_server_sync)( struct svga_winsys_screen *sws,
int32_t *context_fd,
struct pipe_fence_handle *fence );
/**
** BEGIN new functions for guest-backed surfaces.
@ -726,6 +757,7 @@ struct svga_winsys_screen
boolean have_generate_mipmap_cmd;
boolean have_set_predication_cmd;
boolean have_transfer_from_buffer_cmd;
boolean have_fence_fd;
};