116 lines
		
	
	
		
			4.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			4.2 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_DMABUF_H
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#define XWAYLAND_DMABUF_H
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#include <xwayland-config.h>
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#include <X11/X.h>
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#include <dix.h>
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#include <xf86drm.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include "xwayland-types.h"
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struct xwl_format {
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    uint32_t format;
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    int num_modifiers;
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    uint64_t *modifiers;
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};
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struct xwl_format_table_entry {
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    uint32_t format;
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    uint32_t pad;
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    uint64_t modifier;
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};
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struct xwl_device_formats {
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    drmDevice *drm_dev;
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    uint32_t num_formats;
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    struct xwl_format *formats;
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    Bool supports_scanout;
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};
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struct xwl_format_table {
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    /* This is mmapped from the fd given to us by the compositor */
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    int len;
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    struct xwl_format_table_entry *entry;
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};
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/*
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 * Helper struct for sharing dmabuf feedback logic between
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 * a screen and a window. The screen will get the default
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 * feedback, and a window will get a per-surface feedback.
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 */
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struct xwl_dmabuf_feedback {
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    struct zwp_linux_dmabuf_feedback_v1 *dmabuf_feedback;
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    struct xwl_format_table format_table;
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    drmDevice *main_dev;
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    /*
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     * This will be filled in during wl events and copied to
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     * dev_formats on dmabuf_feedback.tranche_done
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     */
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    struct xwl_device_formats tmp_tranche;
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    int feedback_done;
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    int dev_formats_len;
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    struct xwl_device_formats *dev_formats;
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    /*
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     * This flag is used to identify if the feedback
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     * has been resent. If this is true, then the xwayland
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     * clients need to be sent PresentCompleteModeSuboptimalCopy
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     * to tell them to re-request modifiers.
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     */
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    int unprocessed_feedback_pending;
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};
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void xwl_dmabuf_feedback_destroy(struct xwl_dmabuf_feedback *xwl_feedback);
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void xwl_dmabuf_feedback_clear_dev_formats(struct xwl_dmabuf_feedback *xwl_feedback);
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void xwl_device_formats_destroy(struct xwl_device_formats *dev_formats);
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Bool xwl_dmabuf_setup_feedback_for_window(struct xwl_window *xwl_window);
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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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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_get_drawable_modifiers_and_scanout(DrawablePtr drawable,
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                                                   uint32_t format,
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                                                   uint32_t *num_modifiers,
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                                                   uint64_t **modifiers,
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                                                   Bool *supports_scanout);
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Bool xwl_glamor_get_drawable_modifiers(DrawablePtr drawable, uint32_t format,
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                                       uint32_t *num_modifiers, uint64_t **modifiers);
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#endif /* XWAYLAND_DMABUF_H */
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