159 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			159 lines
		
	
	
		
			6.3 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright © 2011-2014 Intel Corporation
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 *
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 * Permission to use, copy, modify, distribute, and sell this software
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 * and its documentation for any purpose is hereby granted without
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 * fee, provided that the above copyright notice appear in all copies
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 * and that both that copyright notice and this permission notice
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 * appear in supporting documentation, and that the name of the
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 * copyright holders not be used in advertising or publicity
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 * pertaining to distribution of the software without specific,
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 * written prior permission.  The copyright holders make no
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 * representations about the suitability of this software for any
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 * purpose.  It is provided "as is" without express or implied
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 * warranty.
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 *
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 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
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 * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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 * SOFTWARE.
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 */
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#ifndef XWAYLAND_GLAMOR_H
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#define XWAYLAND_GLAMOR_H
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#include <xwayland-config.h>
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#include <wayland-client.h>
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#include "xwayland-types.h"
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typedef enum _xwl_egl_backend_flags {
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    XWL_EGL_BACKEND_NO_FLAG = 0,
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    XWL_EGL_BACKEND_NEEDS_BUFFER_FLUSH = (1 << 0),
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    XWL_EGL_BACKEND_NEEDS_N_BUFFERING = (1 << 1),
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} xwl_egl_backend_flags;
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struct xwl_egl_backend {
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    /* Set by the backend if available */
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    Bool is_available;
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    /* Features and requirements set by the backend */
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    xwl_egl_backend_flags backend_flags;
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    /* Called once for each interface in the global registry. Backends
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     * should use this to bind to any wayland interfaces they need.
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     */
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    Bool (*init_wl_registry)(struct xwl_screen *xwl_screen,
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                             struct wl_registry *wl_registry,
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                             uint32_t id, const char *name,
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                             uint32_t version);
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    /* Check that the required Wayland interfaces are available.
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     */
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    Bool (*has_wl_interfaces)(struct xwl_screen *xwl_screen);
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    /* Called before glamor has been initialized. Backends should setup a
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     * valid, glamor compatible EGL context in this hook.
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     */
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    Bool (*init_egl)(struct xwl_screen *xwl_screen);
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    /* Called after glamor has been initialized, and after all of the
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     * common Xwayland DDX hooks have been connected. Backends should use
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     * this to setup any required wraps around X server callbacks like
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     * CreatePixmap.
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     */
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    Bool (*init_screen)(struct xwl_screen *xwl_screen);
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    /* Called by Xwayland to retrieve a pointer to a valid wl_buffer for
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     * the given window/pixmap combo so that damage to the pixmap may be
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     * displayed on-screen. Backends should use this to create a new
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     * wl_buffer for a currently buffer-less pixmap, or simply return the
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     * pixmap they've prepared beforehand.
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     */
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    struct wl_buffer *(*get_wl_buffer_for_pixmap)(PixmapPtr pixmap);
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    /* Called by Xwayland to perform any pre-wl_surface damage routines
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     * that are required by the backend. If your backend is poorly
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     * designed and lacks the ability to render directly to a surface,
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     * you should implement blitting from the glamor pixmap to the wayland
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     * pixmap here. Otherwise, this callback is optional.
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     */
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    Bool (*post_damage)(struct xwl_window *xwl_window,
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                        PixmapPtr pixmap, RegionPtr region);
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    /* Called by Xwayland to confirm with the egl backend that the given
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     * pixmap is completely setup and ready for display on-screen. This
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     * callback is optional.
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     */
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    Bool (*allow_commits)(struct xwl_window *xwl_window);
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    /* Called by Xwayland to check whether the given pixmap can be
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     * presented by xwl_present_flip. If not implemented, assumed TRUE.
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     */
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    Bool (*check_flip)(PixmapPtr pixmap);
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};
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#ifdef XWL_HAS_GLAMOR
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void xwl_glamor_init_backends(struct xwl_screen *xwl_screen,
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                              Bool use_eglstream);
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void xwl_glamor_select_backend(struct xwl_screen *xwl_screen,
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                               Bool use_eglstream);
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Bool xwl_glamor_init(struct xwl_screen *xwl_screen);
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Bool xwl_screen_set_drm_interface(struct xwl_screen *xwl_screen,
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                                  uint32_t id, uint32_t version);
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Bool xwl_screen_set_dmabuf_interface(struct xwl_screen *xwl_screen,
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                                     uint32_t id, uint32_t version);
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struct wl_buffer *xwl_glamor_pixmap_get_wl_buffer(PixmapPtr pixmap);
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void xwl_glamor_init_wl_registry(struct xwl_screen *xwl_screen,
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                                 struct wl_registry *registry,
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                                 uint32_t id, const char *interface,
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                                 uint32_t version);
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Bool xwl_glamor_has_wl_interfaces(struct xwl_screen *xwl_screen,
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                                 struct xwl_egl_backend *xwl_egl_backend);
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Bool xwl_glamor_post_damage(struct xwl_window *xwl_window,
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                            PixmapPtr pixmap, RegionPtr region);
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Bool xwl_glamor_allow_commits(struct xwl_window *xwl_window);
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void xwl_glamor_egl_make_current(struct xwl_screen *xwl_screen);
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Bool xwl_glamor_needs_buffer_flush(struct xwl_screen *xwl_screen);
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Bool xwl_glamor_needs_n_buffering(struct xwl_screen *xwl_screen);
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Bool xwl_glamor_is_modifier_supported(struct xwl_screen *xwl_screen,
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                                      uint32_t format, uint64_t modifier);
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uint32_t wl_drm_format_for_depth(int depth);
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Bool xwl_glamor_get_formats(ScreenPtr screen,
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                            CARD32 *num_formats, CARD32 **formats);
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Bool xwl_glamor_get_modifiers(ScreenPtr screen, uint32_t format,
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                              uint32_t *num_modifiers, uint64_t **modifiers);
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Bool xwl_glamor_check_flip(PixmapPtr pixmap);
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#ifdef XV
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/* glamor Xv Adaptor */
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Bool xwl_glamor_xv_init(ScreenPtr pScreen);
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#endif /* XV */
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#endif /* XWL_HAS_GLAMOR */
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#ifdef GLAMOR_HAS_GBM
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void xwl_glamor_init_gbm(struct xwl_screen *xwl_screen);
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#else
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static inline void xwl_glamor_init_gbm(struct xwl_screen *xwl_screen)
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{
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}
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#endif
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#ifdef XWL_HAS_EGLSTREAM
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void xwl_glamor_init_eglstream(struct xwl_screen *xwl_screen);
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#else
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static inline void xwl_glamor_init_eglstream(struct xwl_screen *xwl_screen)
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{
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}
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#endif
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#endif /* XWAYLAND_GLAMOR_H */
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