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/*
* Copyright © 2011-2014 Intel Corporation
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of the
* copyright holders not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
#ifndef XWAYLAND_GLAMOR_H
#define XWAYLAND_GLAMOR_H
#include <xwayland-config.h>
#include <wayland-client.h>
#include "xwayland-types.h"
typedef enum _xwl_egl_backend_flags {
XWL_EGL_BACKEND_NO_FLAG = 0,
XWL_EGL_BACKEND_HAS_PRESENT_FLIP = (1 << 0),
XWL_EGL_BACKEND_NEEDS_BUFFER_FLUSH = (1 << 1),
XWL_EGL_BACKEND_NEEDS_N_BUFFERING = (1 << 2),
} xwl_egl_backend_flags;
struct xwl_egl_backend {
/* Set by the backend if available */
Bool is_available;
/* Features and requirements set by the backend */
xwl_egl_backend_flags backend_flags;
/* Called once for each interface in the global registry. Backends
* should use this to bind to any wayland interfaces they need.
*/
Bool (*init_wl_registry)(struct xwl_screen *xwl_screen,
struct wl_registry *wl_registry,
uint32_t id, const char *name,
uint32_t version);
/* Check that the required Wayland interfaces are available.
*/
Bool (*has_wl_interfaces)(struct xwl_screen *xwl_screen);
/* Called before glamor has been initialized. Backends should setup a
* valid, glamor compatible EGL context in this hook.
*/
Bool (*init_egl)(struct xwl_screen *xwl_screen);
/* Called after glamor has been initialized, and after all of the
* common Xwayland DDX hooks have been connected. Backends should use
* this to setup any required wraps around X server callbacks like
* CreatePixmap.
*/
Bool (*init_screen)(struct xwl_screen *xwl_screen);
/* Called by Xwayland to retrieve a pointer to a valid wl_buffer for
* the given window/pixmap combo so that damage to the pixmap may be
* displayed on-screen. Backends should use this to create a new
* wl_buffer for a currently buffer-less pixmap, or simply return the
* pixmap they've prepared beforehand.
*/
struct wl_buffer *(*get_wl_buffer_for_pixmap)(PixmapPtr pixmap,
Bool *created);
/* Called by Xwayland to perform any pre-wl_surface damage routines
* that are required by the backend. If your backend is poorly
* designed and lacks the ability to render directly to a surface,
* you should implement blitting from the glamor pixmap to the wayland
* pixmap here. Otherwise, this callback is optional.
*/
void (*post_damage)(struct xwl_window *xwl_window,
PixmapPtr pixmap, RegionPtr region);
/* Called by Xwayland to confirm with the egl backend that the given
* pixmap is completely setup and ready for display on-screen. This
* callback is optional.
*/
Bool (*allow_commits)(struct xwl_window *xwl_window);
};
#ifdef XWL_HAS_GLAMOR
void xwl_glamor_init_backends(struct xwl_screen *xwl_screen,
Bool use_eglstream);
void xwl_glamor_select_backend(struct xwl_screen *xwl_screen,
Bool use_eglstream);
Bool xwl_glamor_init(struct xwl_screen *xwl_screen);
Bool xwl_screen_set_drm_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version);
Bool xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
uint32_t id, uint32_t version);
struct wl_buffer *xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap,
Bool *created);
void xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
struct wl_registry *registry,
uint32_t id, const char *interface,
uint32_t version);
Bool xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen,
struct xwl_egl_backend *xwl_egl_backend);
void xwl_glamor_post_damage(struct xwl_window *xwl_window,
PixmapPtr pixmap, RegionPtr region);
Bool xwl_glamor_allow_commits(struct xwl_window *xwl_window);
void xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen);
Bool xwl_glamor_has_present_flip(struct xwl_screen *xwl_screen);
Bool xwl_glamor_needs_buffer_flush(struct xwl_screen *xwl_screen);
Bool xwl_glamor_needs_n_buffering(struct xwl_screen *xwl_screen);
#ifdef XV
/* glamor Xv Adaptor */
Bool xwl_glamor_xv_init(ScreenPtr pScreen);
#endif /* XV */
#endif /* XWL_HAS_GLAMOR */
#ifdef GLAMOR_HAS_GBM
void xwl_glamor_init_gbm(struct xwl_screen *xwl_screen);
#else
static inline void xwl_glamor_init_gbm(struct xwl_screen *xwl_screen)
{
}
#endif
#ifdef XWL_HAS_EGLSTREAM
void xwl_glamor_init_eglstream(struct xwl_screen *xwl_screen);
#else
static inline void xwl_glamor_init_eglstream(struct xwl_screen *xwl_screen)
{
}
#endif
#endif /* XWAYLAND_GLAMOR_H */
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