From 4da543e30acbc8fdbb7f67f57f728e8e6f2c9e91 Mon Sep 17 00:00:00 2001 From: Sinclair Yeh Date: Mon, 17 Jul 2017 10:03:48 -0600 Subject: [PATCH] winsys/svga/drm: Create winsys interface for Fence FD The new interfaces will be used to enable EGL_ANDROID_native_fence_sync. Reviewed-by: Brian Paul Reviewed-by: Charmaine Lee --- src/gallium/drivers/svga/svga_winsys.h | 34 +++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/svga/svga_winsys.h b/src/gallium/drivers/svga/svga_winsys.h index c785b4f748a..e74d1ca4d72 100644 --- a/src/gallium/drivers/svga/svga_winsys.h +++ b/src/gallium/drivers/svga/svga_winsys.h @@ -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; }; -- 2.30.2